*{margin:0;padding:0;box-sizing:border-box}
:root{
--mint:#2ec4a0;
--mint-dark:#1fa885;
--mint-light:#e6f9f3;
--mint-soft:#f2fdf9;
--ink:#0f2b26;
--ink-2:#22443c;
--gray:#5a716b;
--line:#d8ece5;
--white:#ffffff;
--shadow:0 10px 30px rgba(31,168,133,.10);
--shadow-hover:0 18px 44px rgba(31,168,133,.20);
--radius:16px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:80px}
.sec{padding:88px 0}
.sec-soft{background:var(--mint-soft)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--mint-dark);font-weight:700;margin-bottom:14px;padding:5px 14px;background:var(--mint-light);border-radius:999px}
.sec-title{font-size:34px;line-height:1.3;font-weight:800;color:var(--ink);letter-spacing:-.5px}
.sec-sub{margin-top:14px;font-size:16px;color:var(--gray);max-width:760px}
.center{text-align:center}
.center .sec-sub{margin-left:auto;margin-right:auto}

/* NAV */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-wrap:wrap}
.nav-links a{display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);border-radius:8px;transition:.25s;font-weight:500}
.nav-links a:hover{color:var(--mint-dark);background:var(--mint-light)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,var(--mint),var(--mint-dark));color:#fff;box-shadow:0 8px 22px rgba(31,168,133,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,168,133,.45)}
.btn-ghost{background:#fff;color:var(--mint-dark);border:1.5px solid var(--mint)}
.btn-ghost:hover{background:var(--mint-light);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.menu-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* HERO */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#eafaf4 0%,#f7fefb 45%,#ffffff 100%);padding:96px 0 88px}
.hero::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,160,.18),transparent 70%);top:-220px;right:-140px;animation:float 12s ease-in-out infinite}
.hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,160,.12),transparent 70%);bottom:-200px;left:-120px;animation:float 15s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(30px)}}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:48px;line-height:1.22;font-weight:900;letter-spacing:-1px;color:var(--ink);margin-bottom:22px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--mint),var(--mint-dark));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:var(--gray);max-width:560px;margin-bottom:14px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 30px}
.hero-tags span{font-size:13px;padding:6px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--ink-2);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-actions .btn{padding:15px 34px;font-size:16px}
.hero-panel{background:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow-hover);border:1px solid var(--line);position:relative}
.hero-panel h3{font-size:15px;color:var(--gray);font-weight:700;margin-bottom:18px;letter-spacing:1px}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-stat{background:var(--mint-soft);border-radius:14px;padding:18px;border:1px solid var(--line);transition:.3s}
.hero-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.hero-stat b{display:block;font-size:26px;color:var(--mint-dark);font-weight:900;line-height:1.1}
.hero-stat span{font-size:13px;color:var(--gray)}
.hero-bar{margin-top:18px}
.hero-bar-item{margin-top:14px}
.hero-bar-item p{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.bar{height:8px;border-radius:999px;background:#eef6f3;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--mint-dark));animation:grow 1.6s ease}
@keyframes grow{from{width:0}}

/* DATA STRIP */
.strip{background:linear-gradient(135deg,var(--mint-dark),var(--mint));padding:48px 0;position:relative;overflow:hidden}
.strip::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 18px,transparent 18px 36px)}
.metrics{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.metric b{display:block;font-size:38px;font-weight:900;color:#fff;line-height:1.1;letter-spacing:-1px}
.metric span{color:rgba(255,255,255,.85);font-size:14px}

/* CARDS */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--mint-light);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--mint-dark);font-size:22px;font-weight:900}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.5px;color:var(--gray)}
.card .dot{position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(46,196,160,.10),transparent 70%)}

/* SCENES */
.scene-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.scene{padding:22px 24px;background:#fff;border-radius:14px;border:1px solid var(--line);transition:.3s;border-left:4px solid var(--mint)}
.scene:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.scene h4{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:6px}
.scene p{font-size:13.5px;color:var(--gray)}

/* PLATFORMS */
.plat-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;justify-content:center}
.plat-cloud span{padding:9px 20px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);transition:.25s}
.plat-cloud span:hover{background:var(--mint);color:#fff;border-color:var(--mint);transform:translateY(-3px)}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;position:relative}
.step{text-align:center;position:relative;padding:28px 20px;background:#fff;border-radius:var(--radius);border:1px solid var(--line);transition:.3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.step .num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--mint),var(--mint-dark));color:#fff;font-size:22px;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step h4{font-size:17px;font-weight:800;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--gray)}

/* TABLE */
.table-wrap{overflow-x:auto;margin-top:36px;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;background:#fff;min-width:680px}
th,td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
th{background:var(--mint-light);color:var(--ink);font-weight:800;font-size:14px}
tbody tr:hover{background:var(--mint-soft)}
tr:last-child td{border-bottom:none}
.hl{color:var(--mint-dark);font-weight:800}

/* RATING */
.rating-box{display:grid;grid-template-columns:.9fr 1.6fr;gap:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--line);margin-top:36px}
.rating-left{background:linear-gradient(150deg,var(--mint-dark),var(--mint));color:#fff;padding:44px 36px;display:flex;flex-direction:column;justify-content:center;text-align:center}
.rating-left .big{font-size:64px;font-weight:900;line-height:1}
.rating-left .max{font-size:16px;opacity:.85;margin-top:6px}
.stars{font-size:24px;letter-spacing:4px;margin:16px 0 8px;color:#fff8c4}
.rating-left p{font-size:14px;opacity:.92}
.rating-right{background:#fff;padding:40px 36px}
.rating-right h3{font-size:22px;font-weight:800;margin-bottom:20px}
.score-row{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.score-row .label{width:130px;font-size:14px;color:var(--ink-2);font-weight:600;flex-shrink:0}
.score-row .bar{flex:1;height:9px;background:#eef6f3;border-radius:999px;overflow:hidden}
.score-row .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--mint),var(--mint-dark));animation:grow 1.8s ease}
.score-row .val{width:46px;text-align:right;font-weight:800;color:var(--mint-dark);font-size:14px}

/* REVIEWS */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.3s;position:relative}
.review:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review .quote{font-size:14.5px;color:var(--ink-2);margin-bottom:20px;line-height:1.8}
.review .who{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--mint),var(--mint-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex-shrink:0}
.who b{display:block;font-size:14.5px;font-weight:800}
.who span{font-size:12.5px;color:var(--gray)}
.review .rstars{color:#f5b301;font-size:13px;margin-bottom:12px;letter-spacing:2px}

/* CASE */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case .imgbox{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--mint-soft)}
.case .imgbox img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .imgbox img{transform:scale(1.06)}
.case .body{padding:22px}
.case .body span{font-size:12px;color:var(--mint-dark);font-weight:800;letter-spacing:1px}
.case .body h4{font-size:17px;font-weight:800;margin:8px 0 8px}
.case .body p{font-size:14px;color:var(--gray)}
.case.square .imgbox{aspect-ratio:1/1}

/* ARTICLES */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.articles a{display:flex;align-items:center;gap:12px;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:.25s}
.articles a:hover{background:var(--mint-light);border-color:var(--mint);color:var(--mint-dark);transform:translateX(4px)}
.articles a::before{content:"›";font-size:18px;color:var(--mint);font-weight:900}

/* TIMELINE */
.timeline{position:relative;margin-top:44px;padding-left:8px}
.timeline::before{content:"";position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(var(--mint),var(--line))}
.tl-item{position:relative;padding-left:52px;margin-bottom:34px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{content:"";position:absolute;left:8px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--mint)}
.tl-item h4{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--gray)}

/* NETWORK */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.net{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;transition:.3s}
.net:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net b{display:block;font-size:30px;color:var(--mint-dark);font-weight:900}
.net span{font-size:14px;color:var(--gray)}

/* TOKEN */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.token{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;transition:.3s;display:flex;justify-content:space-between;align-items:center}
.token:hover{border-color:var(--mint);box-shadow:var(--shadow);transform:translateY(-3px)}
.token b{font-size:15.5px;font-weight:800}
.token span{font-size:13px;color:var(--mint-dark);font-weight:700}

/* FAQ */
.faq{margin-top:40px;max-width:900px;margin-left:auto;margin-right:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item.active{border-color:var(--mint);box-shadow:var(--shadow)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:none;border:none;cursor:pointer;font-size:16px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit}
.faq-q .plus{width:26px;height:26px;border-radius:50%;background:var(--mint-light);color:var(--mint-dark);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;transition:.3s}
.faq-item.active .plus{background:var(--mint);color:#fff;transform:rotate(45deg)}
.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(--gray)}

/* FORM */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;margin-top:44px;align-items:start}
.form-info{background:linear-gradient(160deg,var(--mint-dark),var(--mint));border-radius:var(--radius);padding:40px 36px;color:#fff}
.form-info h3{font-size:24px;font-weight:800;margin-bottom:16px}
.form-info p{font-size:14.5px;opacity:.92;margin-bottom:24px}
.form-info ul{list-style:none}
.form-info li{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:14px;opacity:.95}
.form-info li::before{content:"✓";font-weight:900;flex-shrink:0}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;padding:12px 16px;border:1.5px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:var(--mint-soft);transition:.25s;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--mint);background:#fff;box-shadow:0 0 0 4px rgba(46,196,160,.12)}
.field textarea{resize:vertical;min-height:110px}
.form-card .btn{margin-top:22px;width:100%;padding:15px;font-size:16px}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.contact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center;transition:.3s}
.contact:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.contact .cico{width:48px;height:48px;border-radius:50%;background:var(--mint-light);color:var(--mint-dark);display:flex;align-items:center;justify-content:center;font-size:20px;margin:0 auto 14px;font-weight:900}
.contact b{display:block;font-size:14px;color:var(--gray);font-weight:600;margin-bottom:6px}
.contact span{font-size:15px;font-weight:800;color:var(--ink);word-break:break-all}
.qr-box{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px;align-items:center}
.qr-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;transition:.3s}
.qr-card:hover{box-shadow:var(--shadow-hover)}
.qr-card img{width:180px;margin:0 auto 14px;border-radius:10px}
.qr-card p{font-size:14px;font-weight:700;color:var(--ink-2)}

/* FOOTER */
footer{background:var(--ink);color:rgba(255,255,255,.75);padding:64px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.5px}
footer p{font-size:13.5px;line-height:1.9}
footer ul{list-style:none}
footer li{margin-bottom:10px}
footer a{font-size:13.5px;color:rgba(255,255,255,.72);transition:.25s}
footer a:hover{color:var(--mint)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:800;font-size:18px}
.footer-brand img{height:32px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:14px}
.friend-links a{font-size:13px}

/* FLOAT */
.floats{position:fixed;right:22px;bottom:28px;z-index:200;display:flex;flex-direction:column;gap:12px}
.float-btn{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--mint),var(--mint-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 22px rgba(31,168,133,.4);cursor:pointer;border:none;transition:.3s;font-weight:900}
.float-btn:hover{transform:translateY(-4px) scale(1.06)}
.float-btn.top{background:#fff;color:var(--mint-dark);border:1.5px solid var(--mint);opacity:0;pointer-events:none}
.float-btn.top.show{opacity:1;pointer-events:auto}
.float-panel{position:fixed;right:90px;bottom:28px;width:220px;background:#fff;border-radius:16px;padding:20px;box-shadow:0 20px 50px rgba(15,43,38,.2);border:1px solid var(--line);z-index:200;display:none}
.float-panel.show{display:block;animation:fadeUp .3s ease}
.float-panel img{width:150px;margin:0 auto 12px;border-radius:8px}
.float-panel p{font-size:13px;text-align:center;color:var(--gray);font-weight:600}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:40px}
.metrics{grid-template-columns:repeat(2,1fr);gap:32px}
.grid-3,.scene-list,.reviews,.cases,.token-grid,.contact-grid,.network{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:repeat(2,1fr)}
.rating-box{grid-template-columns:1fr}
.form-wrap{grid-template-columns:1fr}
.qr-box{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr;gap:32px}
.articles{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 24px 24px;gap:0;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.08);display:none;max-height:calc(100vh - 68px);overflow-y:auto}
.nav-links.open{display:flex}
.nav-links a{padding:13px 10px;border-bottom:1px solid var(--line)}
.menu-toggle{display:flex}
.nav-right .btn{display:none}
.hero{padding:64px 0}
.hero h1{font-size:31px}
.hero p.lead{font-size:15.5px}
.sec{padding:60px 0}
.sec-title{font-size:26px}
.metrics{grid-template-columns:1fr 1fr;gap:24px}
.metric b{font-size:30px}
.grid-3,.grid-2,.scene-list,.reviews,.cases,.token-grid,.contact-grid,.network,.steps{grid-template-columns:1fr}
.hero-stats{grid-template-columns:1fr 1fr}
.articles{grid-template-columns:1fr}
.fgrid{grid-template-columns:1fr}
.rating-left .big{font-size:52px}
.form-info,.form-card{padding:28px}
.footer-grid{grid-template-columns:1fr}
.floats{right:14px;bottom:18px}
}
@media(max-width:480px){
.hero h1{font-size:27px}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.hero-stats{grid-template-columns:1fr}
.metrics{grid-template-columns:1fr}
.score-row .label{width:96px;font-size:13px}
}