*{margin:0;padding:0;box-sizing:border-box}
:root{
  --c1:#6366f1;--c2:#ec4899;--c3:#06b6d4;--c4:#f59e0b;--c5:#10b981;
  --ink:#1e1b4b;--text:#475569;--muted:#94a3b8;--bg:#f8fafc;--white:#fff;
  --grad:linear-gradient(120deg,#6366f1,#8b5cf6 35%,#ec4899 70%,#f59e0b);
  --shadow:0 10px 30px rgba(79,70,229,.10);
  --shadow-lg:0 20px 50px rgba(79,70,229,.18);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--white);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;font-weight:800}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:84px 0}
.sec-head{text-align:center;max-width:780px;margin:0 auto 54px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c1);background:rgba(99,102,241,.1);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:16px}
.sec-head p{color:var(--text);font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:all .3s ease;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(236,72,153,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(236,72,153,.45)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px)}
.btn-outline{background:#fff;color:var(--c1);border:1.5px solid rgba(99,102,241,.4)}
.btn-outline:hover{background:var(--c1);color:#fff;transform:translateY(-3px)}

/* NAV */
header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(99,102,241,.1)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.brand img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links a{display:block;padding:10px 14px;font-size:14.5px;font-weight:600;color:var(--text);border-radius:10px;transition:.25s}
.nav-links a:hover{color:var(--c1);background:rgba(99,102,241,.08)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:9px 20px;font-size:13.5px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}

/* HERO */
.hero{position:relative;padding:96px 0 110px;background:linear-gradient(160deg,#1e1b4b 0%,#312e81 42%,#4c1d95 72%,#6d28d9 100%);overflow:hidden;color:#fff}
.hero::before{content:"";position:absolute;top:-140px;right:-100px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(236,72,153,.55),transparent 70%);filter:blur(30px)}
.hero::after{content:"";position:absolute;bottom:-160px;left:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.45),transparent 70%);filter:blur(40px)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 78%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(28px,4.2vw,50px);color:#fff;margin-bottom:20px;letter-spacing:-.5px}
.hero .lead{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:14px;max-width:560px}
.hero .tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 30px}
.hero .tags span{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#e0e7ff}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:26px;backdrop-filter:blur(10px)}
.hero-panel h3{color:#fff;font-size:16px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.hero-panel h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c5);box-shadow:0 0 0 4px rgba(16,185,129,.25)}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat-box{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px}
.stat-box b{display:block;font-size:26px;color:#fff;font-weight:800;background:linear-gradient(120deg,#fff,#c7d2fe);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-box span{font-size:12.5px;color:rgba(255,255,255,.7)}
.hero-flow{margin-top:18px;font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hero-flow i{width:6px;height:6px;border-radius:50%;background:var(--c4)}

/* DATA BAR */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:-56px;position:relative;z-index:5}
.metric{background:#fff;border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);border:1px solid rgba(99,102,241,.08);text-align:center;transition:.3s}
.metric:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.metric b{font-size:32px;font-weight:800;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{font-size:14px;color:var(--muted);font-weight:600}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid rgba(99,102,241,.1);border-radius:var(--radius);padding:30px 26px;transition:.32s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;width:0;height:4px;background:var(--grad);transition:.4s}
.card:hover::before{width:100%}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;background:linear-gradient(135deg,rgba(99,102,241,.14),rgba(236,72,153,.14))}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text)}

/* ABOUT */
.about{background:linear-gradient(180deg,#f8fafc,#fff)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-imgs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-imgs img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:.35s}
.about-imgs img:hover{transform:scale(1.03)}
.about-imgs .big{grid-column:span 2;aspect-ratio:16/8}
.about-text h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:18px}
.about-text p{margin-bottom:16px;font-size:15.5px}
.check-list{list-style:none;margin-top:20px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--c5),var(--c3));color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px}

/* SERVICES GRID */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.serv{background:#fff;border-radius:16px;padding:24px;border:1px solid rgba(99,102,241,.1);transition:.3s;position:relative}
.serv:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(99,102,241,.3)}
.serv h4{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.serv h4 .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:none}
.serv p{font-size:14px;color:var(--text)}

/* FLOW STEPS */
.steps{background:linear-gradient(160deg,#1e1b4b,#4c1d95);color:#fff;position:relative;overflow:hidden}
.steps::after{content:"";position:absolute;right:-100px;top:-100px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(236,72,153,.35),transparent 70%);filter:blur(30px)}
.steps .sec-head h2{color:#fff}
.steps .sec-head p{color:rgba(255,255,255,.75)}
.steps .eyebrow{background:rgba(255,255,255,.12);color:#fff}
.step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;z-index:2}
.step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:26px 20px;text-align:center;transition:.3s}
.step:hover{background:rgba(255,255,255,.14);transform:translateY(-6px)}
.step .num{width:52px;height:52px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;background:var(--grad);color:#fff}
.step h4{color:#fff;font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:rgba(255,255,255,.72)}

/* SOLUTIONS / INDUSTRY */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol{display:flex;gap:20px;background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(99,102,241,.08);transition:.3s}
.sol:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.sol .sico{width:56px;height:56px;flex:none;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px;background:linear-gradient(135deg,rgba(99,102,241,.16),rgba(236,72,153,.16))}
.sol h4{font-size:17px;margin-bottom:8px}
.sol p{font-size:14.5px}

/* NETWORK */
.network{background:linear-gradient(180deg,#f8fafc,#fff)}
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.net{background:#fff;border-radius:14px;padding:22px;text-align:center;border:1px solid rgba(99,102,241,.1);transition:.3s}
.net:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.net b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.net span{font-size:13px;color:var(--muted)}

/* CASE */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:.35s;border:1px solid rgba(99,102,241,.08)}
.case:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.case img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.4s}
.case:hover img{transform:scale(1.05)}
.case-body{padding:22px}
.case-body h4{font-size:17px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--text)}
.case-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--c1);background:rgba(99,102,241,.1);padding:3px 10px;border-radius:999px;margin-bottom:10px}

/* COMPARE */
.compare{background:linear-gradient(160deg,#fef2f9,#eef2ff)}
.review-card{background:#fff;border-radius:24px;padding:38px;box-shadow:var(--shadow-lg);margin-bottom:36px;display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center;border:2px solid rgba(236,72,153,.18)}
.score-badge{text-align:center}
.score-badge .num{font-size:56px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.score-badge .stars{color:#f59e0b;font-size:22px;letter-spacing:2px;margin-top:6px}
.score-badge span{font-size:13px;color:var(--muted)}
.review-card .rt h3{font-size:22px;margin-bottom:10px}
.review-card .rt p{font-size:15px}
.rec-tag{background:var(--grad);color:#fff;padding:16px 26px;border-radius:16px;text-align:center;font-weight:800}
.rec-tag b{display:block;font-size:20px;margin-bottom:4px}
.rec-tag span{font-size:12.5px;opacity:.9}
.table-scroll{overflow-x:auto;border-radius:18px;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 #f1f5f9}
th{background:linear-gradient(120deg,#6366f1,#8b5cf6);color:#fff;font-weight:700;font-size:15px}
th:first-child{border-radius:18px 0 0 0}
th:last-child{border-radius:0 18px 0 0}
td:first-child{font-weight:700;color:var(--ink)}
tr:hover td{background:rgba(99,102,241,.04)}
.yes{color:var(--c5);font-weight:700}
.no{color:#cbd5e1}

/* TOKEN PRICE */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price-card{background:#fff;border-radius:var(--radius);padding:30px 26px;border:1px solid rgba(99,102,241,.12);transition:.3s;position:relative}
.price-card.hot{border-color:var(--c2);box-shadow:0 14px 40px rgba(236,72,153,.18)}
.price-card.hot::after{content:"热门";position:absolute;top:16px;right:16px;background:var(--grad);color:#fff;font-size:11.5px;font-weight:700;padding:3px 12px;border-radius:999px}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price-card h4{font-size:17px;margin-bottom:6px}
.price-card .p{font-size:30px;font-weight:800;color:var(--ink);margin:14px 0 4px}
.price-card .p small{font-size:14px;color:var(--muted);font-weight:500}
.price-card ul{list-style:none;margin:18px 0 22px;display:grid;gap:10px}
.price-card ul li{font-size:14px;display:flex;gap:8px;align-items:flex-start}
.price-card ul li::before{content:"•";color:var(--c2);font-weight:800}
.price-card .btn{width:100%}

/* COMMENTS */
.comments{background:linear-gradient(180deg,#fff,#f8fafc)}
.comment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.comment{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(99,102,241,.08);transition:.3s;display:flex;flex-direction:column}
.comment:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.comment .stars{color:#f59e0b;font-size:15px;letter-spacing:1px;margin-bottom:14px}
.comment p{font-size:14.5px;color:var(--text);flex:1;margin-bottom:18px}
.comment .who{display:flex;align-items:center;gap:12px}
.comment .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:none}
.comment .who b{display:block;font-size:14.5px;color:var(--ink)}
.comment .who span{font-size:12.5px;color:var(--muted)}

/* FAQ */
.faq{background:linear-gradient(180deg,#f8fafc,#fff)}
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border-radius:14px;border:1px solid rgba(99,102,241,.12);overflow:hidden;transition:.3s}
.faq-item:hover{border-color:rgba(99,102,241,.3);box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q .arr{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(99,102,241,.1);color:var(--c1);display:flex;align-items:center;justify-content:center;transition:.3s;font-size:14px}
.faq-item.open .faq-q .arr{transform:rotate(45deg);background:var(--c1);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(--text)}

/* ARTICLES */
.article-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}
.article-links{display:grid;gap:14px}
.art-link{display:flex;gap:14px;align-items:center;background:#fff;padding:18px 20px;border-radius:14px;border:1px solid rgba(99,102,241,.1);transition:.3s;font-weight:600;color:var(--ink);font-size:15px}
.art-link:hover{transform:translateX(6px);border-color:var(--c1);box-shadow:var(--shadow)}
.art-link .n{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,rgba(99,102,241,.14),rgba(236,72,153,.14));color:var(--c1);display:flex;align-items:center;justify-content:center;font-weight:800;flex:none;font-size:14px}
.tagcloud{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(99,102,241,.08)}
.tagcloud h4{font-size:17px;margin-bottom:16px}
.tagcloud .tags{display:flex;flex-wrap:wrap;gap:10px}
.tagcloud .tags span{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(99,102,241,.07);color:var(--c1);font-weight:600;transition:.25s;cursor:default}
.tagcloud .tags span:hover{background:var(--c1);color:#fff}

/* FORM */
.contact{background:linear-gradient(160deg,#1e1b4b,#312e81);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;left:-120px;bottom:-120px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.4),transparent 70%);filter:blur(30px)}
.contact-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact .sec-head{text-align:left;margin:0 0 30px}
.contact .sec-head h2{color:#fff}
.contact .sec-head p{color:rgba(255,255,255,.75)}
.contact-info{display:grid;gap:16px;margin-top:24px}
.ci{display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:16px 18px;border-radius:14px}
.ci .ico{width:42px;height:42px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:18px;flex:none}
.ci b{display:block;font-size:14px;color:#fff}
.ci span{font-size:13.5px;color:rgba(255,255,255,.7);word-break:break-all}
.ci img{width:120px;border-radius:10px;margin-top:6px;background:#fff;padding:6px}
.form-box{background:#fff;border-radius:24px;padding:38px;box-shadow:var(--shadow-lg)}
.form-box h3{font-size:21px;margin-bottom:6px}
.form-box>p{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:12px 16px;border:1.5px solid #e2e8f0;border-radius:12px;font-size:14.5px;font-family:inherit;color:var(--ink);transition:.25s;background:#f8fafc}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c1);background:#fff;box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.field textarea{resize:vertical;min-height:110px}
.form-box .btn{width:100%;margin-top:6px}
.form-msg{font-size:13.5px;margin-top:12px;color:var(--c5);display:none}

/* FOOTER */
footer{background:#141432;color:rgba(255,255,255,.7);padding:70px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.8;margin-bottom:16px}
.foot-brand a{color:#c7d2fe;display:block;font-size:14px;margin-bottom:8px;transition:.2s}
.foot-brand a:hover{color:#fff}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:18px}
.foot-col a{display:block;font-size:13.5px;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{text-align:center;padding-top:26px;font-size:13px;color:rgba(255,255,255,.5)}

/* FLOAT */
.float-bar{position:fixed;right:20px;bottom:28px;z-index:900;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{width:54px;height:54px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 10px 26px rgba(236,72,153,.4);cursor:pointer;border:none;transition:.3s;position:relative}
.float-btn:hover{transform:scale(1.1)}
.float-pop{position:absolute;right:66px;bottom:0;background:#fff;border-radius:14px;padding:14px;box-shadow:var(--shadow-lg);display:none;width:170px;text-align:center}
.float-pop img{width:100%;border-radius:8px;margin-bottom:6px}
.float-pop span{font-size:12px;color:var(--text)}
.float-btn.show-pop .float-pop{display:block;animation:fadeIn .3s}
#backTop{background:#1e1b4b;opacity:0;pointer-events:none}
#backTop.visible{opacity:1;pointer-events:auto}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;box-shadow:var(--shadow-lg);border-bottom:1px solid rgba(99,102,241,.1)}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:12px 16px}
  .hamburger{display:flex}
  .nav-cta .btn{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:0}
  .cards,.serv-grid,.case-grid,.comment-grid,.token-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(3,1fr)}
  .net-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid,.about-grid,.contact-inner,.article-wrap{grid-template-columns:1fr}
  .review-card{grid-template-columns:1fr;text-align:center;gap:20px}
  .rec-tag{margin:0 auto}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:60px 0}
  .wrap{padding:0 18px}
  .cards,.serv-grid,.case-grid,.comment-grid,.token-grid,.net-grid,.metrics{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .sol{flex-direction:column}
  .hero{padding:70px 0 80px}
  .hero-btns .btn{flex:1}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .form-box{padding:26px}
  .review-card{padding:26px}
  .about-imgs{grid-template-columns:1fr}
  .about-imgs .big{grid-column:span 1}
  .float-bar{right:14px;bottom:20px}
  .float-btn{width:48px;height:48px;font-size:20px}
}