:root{
  --ink:#0e1a30;
  --ink-2:#33445f;
  --muted:#6a7b95;
  --brand:#2a5cff;
  --brand-dark:#1a3fc9;
  --brand-soft:#eaf0ff;
  --teal:#0fb8a4;
  --teal-soft:#e6faf6;
  --accent:#ff7a3d;
  --accent-soft:#fff0e8;
  --line:#e4ebf8;
  --card:#ffffff;
  --radius:18px;
  --shadow-sm:0 2px 10px rgba(20,50,120,.05);
  --shadow-md:0 14px 34px rgba(20,50,120,.10);
  --shadow-lg:0 26px 60px rgba(20,50,120,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  background-color:#f5f8ff;
  background-image:
    radial-gradient(920px 540px at 6% -8%, #dfe9ff 0%, rgba(223,233,255,0) 62%),
    radial-gradient(840px 500px at 98% 0%, #dcf7f1 0%, rgba(220,247,241,0) 58%),
    linear-gradient(180deg,#f4f8ff 0%,#ffffff 44%,#f6faff 100%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{padding:72px 0}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--brand);background:var(--brand-soft);padding:6px 14px;border-radius:999px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand)}
.section-head h2{font-size:clamp(23px,3vw,34px);margin-top:14px}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfdfff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2;white-space:nowrap;transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:linear-gradient(135deg,#3a6bff,#2450e6);color:#fff;box-shadow:0 12px 26px rgba(42,92,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(42,92,255,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(42,92,255,.28)}
.btn-outline{background:#fff;color:var(--brand);border-color:#c8d8ff;box-shadow:var(--shadow-sm)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}

/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(228,235,248,.95);transition:box-shadow .3s ease}
.site-header.scrolled{box-shadow:0 10px 26px rgba(20,50,120,.08)}
.header-inner{display:flex;align-items:center;gap:14px;min-height:68px;padding:8px 0}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);flex:0 0 auto}
.brand .ai-page-logo{height:34px!important;width:auto!important;max-width:150px!important;object-fit:contain;display:block}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap}
.nav-links li{flex:0 0 auto}
.nav-links a{display:block;padding:8px 10px;font-size:14px;font-weight:500;color:var(--ink-2);border-radius:9px;white-space:nowrap;transition:color .2s ease,background-color .2s ease}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--brand);background:var(--brand-soft)}
.header-actions{flex:0 0 auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0 10px}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;padding:58px 0 46px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-copy h1{font-size:clamp(28px,3.6vw,45px);margin-top:18px;letter-spacing:-.02em}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:18px;color:var(--ink-2);font-size:16px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.hero-tags li{font-size:13px;color:var(--ink-2);background:rgba(255,255,255,.9);border:1px solid var(--line);padding:6px 13px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow-lg);animation:floaty 7s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.panel-title{display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:800;color:var(--ink)}
.panel-title::before{content:"";width:4px;height:16px;border-radius:3px;background:linear-gradient(180deg,#3a6bff,#0fb8a4)}
.model-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.model-grid span{font-size:12.5px;padding:5px 10px;border-radius:8px;background:#f4f7ff;color:#3a4f74;border:1px solid #e6edfb;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.model-grid span:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.panel-note{margin-top:18px;padding-top:15px;border-top:1px dashed #dde7fa;font-size:13px;color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.metric strong{display:block;font-size:clamp(21px,2.4vw,29px);font-weight:800;color:var(--brand);line-height:1.25}
.metric span{font-size:13.5px;color:var(--muted)}

/* About */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:start}
.about-copy p{color:var(--ink-2);font-size:15.5px}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 22px;margin-top:24px}
.feature-list li{display:flex;gap:11px;align-items:flex-start}
.fl-dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--brand);margin-top:10px;box-shadow:0 0 0 4px rgba(42,92,255,.12)}
.feature-list strong{display:block;font-size:14.5px;color:var(--ink)}
.feature-list span{display:block;font-size:13.5px;color:var(--muted);line-height:1.65}
.about-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-md)}
.about-media img{display:block;width:100%;height:auto}

/* Services */
.service-card .icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);margin-bottom:16px}
.service-card:nth-child(3n+2) .icon{background:var(--teal-soft);color:#0a9c8b}
.service-card:nth-child(3n) .icon{background:var(--accent-soft);color:#e9611f}
.service-card h3{font-size:17px}
.service-card p{margin-top:9px;font-size:14.5px;color:var(--ink-2)}

/* Scenes */
.scene-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease,border-left-color .28s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-left-color:var(--teal)}
.scene-card h3{font-size:16px}
.scene-card p{margin-top:7px;font-size:14px;color:var(--ink-2)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-cloud span{font-size:13px;color:#3a4f74;background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-sm);transition:transform .2s ease,color .2s ease,border-color .2s ease}
.tag-cloud span:hover{transform:translateY(-3px);color:var(--brand);border-color:#c8d8ff}

/* Industry */
.industry-card{position:relative;overflow:hidden}
.industry-card h3{font-size:17px;display:flex;align-items:center;gap:10px}
.industry-card h3::before{content:"";width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,#3a6bff,#0fb8a4)}
.industry-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}

/* Network */
.network-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.network-item{background:linear-gradient(160deg,#ffffff,#f7faff);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}
.network-item h3{font-size:16.5px}
.network-item p{margin-top:9px;font-size:14.5px;color:var(--ink-2)}

/* Process */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm);transition:transform .28s ease,box-shadow .28s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step .num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em}
.step h3{font-size:16px;margin-top:8px}
.step p{margin-top:8px;font-size:14px;color:var(--ink-2)}

/* Cases */
.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-media{background:#f3f7ff;border-bottom:1px solid var(--line)}
.case-media img{display:block;width:100%;height:auto}
.case-body{padding:20px 22px 22px}
.case-body h3{font-size:16.5px}
.case-body p{margin-top:8px;font-size:14px;color:var(--ink-2)}

/* Reviews */
.review-card{display:flex;flex-direction:column;gap:14px}
.review-stars{color:#ffb020;font-size:15px;letter-spacing:2px}
.review-text{font-size:14.5px;color:var(--ink-2);flex:1 1 auto}
.review-user{display:flex;align-items:center;gap:11px;padding-top:14px;border-top:1px dashed #e2eaf9}
.avatar{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,#3a6bff,#2450e6);flex:0 0 auto}
.review-card:nth-child(2n) .avatar{background:linear-gradient(135deg,#0fb8a4,#089a8a)}
.review-card:nth-child(3n) .avatar{background:linear-gradient(135deg,#ff9a5c,#e9611f)}
.review-name{font-size:14px;font-weight:700;color:var(--ink)}
.review-role{font-size:12.5px;color:var(--muted)}

/* Compare */
.compare-top{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;margin-bottom:24px;align-items:stretch}
.score-card{background:linear-gradient(150deg,#2a5cff,#14309c);color:#fff;border-radius:20px;padding:28px;box-shadow:0 22px 46px rgba(42,92,255,.3);display:flex;flex-direction:column;justify-content:center}
.score-label{font-size:14px;color:rgba(255,255,255,.85);letter-spacing:.06em}
.score-stars{font-size:22px;letter-spacing:4px;color:#ffd35c;margin-top:8px}
.score-num{font-size:52px;font-weight:800;line-height:1.1;margin-top:6px;color:#fff}
.score-num span{font-size:18px;font-weight:600;color:rgba(255,255,255,.75);margin-left:4px}
.score-note{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.85)}
.compare-side{display:grid;gap:14px}
.compare-side .card{padding:20px 22px}
.compare-side h3{font-size:15.5px}
.compare-side p{margin-top:7px;font-size:14px;color:var(--ink-2)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px}
thead th{background:#f2f7ff;color:var(--ink);font-weight:800;text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody th{text-align:left;font-weight:700;color:var(--ink);padding:14px 16px;border-bottom:1px solid var(--line);background:#fbfdff;white-space:nowrap}
tbody td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:none}
.hl{background:#f4f9ff;color:#16357e;font-weight:600}
thead th.hl{background:#e6efff;color:var(--brand-dark)}

/* Token */
.token-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.token-card h3{font-size:16.5px}
.token-card p{margin-top:9px;font-size:14.5px;color:var(--ink-2)}
.token-note{margin-top:22px;font-size:14px;color:var(--muted);background:#fff;border:1px dashed #cfdfff;border-radius:14px;padding:16px 20px}

/* Help / Articles */
.article-list{display:grid;gap:12px}
.article-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.article-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#cfdfff}
.article-tag{flex:0 0 auto;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:8px}
.article-title{flex:1 1 auto;font-size:14.5px;color:var(--ink);font-weight:600}
.article-arrow{flex:0 0 auto;color:var(--brand);font-weight:800}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item.open{border-color:#c8d8ff;box-shadow:var(--shadow-md)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);text-align:left;cursor:pointer;font-family:inherit;line-height:1.5}
.faq-q:hover{color:var(--brand)}
.chev{flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .3s ease;margin-top:-4px}
.faq-item.open .chev{transform:rotate(-135deg);margin-top:2px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 18px;font-size:14.5px;color:var(--ink-2)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;font-size:14.5px;color:var(--ink);background:#fbfdff;border:1px solid #dbe5f7;border-radius:11px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(42,92,255,.12)}
.field textarea{resize:vertical;min-height:110px}
.contact-form .btn{width:100%;margin-top:4px}
.contact-info h3{font-size:16.5px}
.info-list{display:grid;gap:12px;margin-top:16px}
.info-list li{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding-bottom:12px;border-bottom:1px dashed #e4ebf8}
.info-list li:last-child{border-bottom:none;padding-bottom:0}
.info-list span{color:var(--muted);flex:0 0 auto}
.info-list strong{color:var(--ink);font-weight:700;text-align:right;word-break:break-all}
.qr-box{margin-top:18px;text-align:center;background:#f7faff;border:1px dashed #d4e2fa;border-radius:14px;padding:16px}
.qr-box img{display:block;width:140px;max-width:100%;height:auto;margin:0 auto;border-radius:10px;background:#fff}
.qr-box p{margin-top:10px;font-size:13px;color:var(--muted)}

/* Partner */
.partner-wrap{background:linear-gradient(135deg,#eef4ff,#e9fbf7);border:1px solid #dce8ff;border-radius:24px;padding:38px;box-shadow:var(--shadow-sm)}
.partner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.partner-wrap h2{font-size:clamp(22px,2.8vw,30px)}
.partner-wrap p.lead{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.partner-points{display:grid;gap:12px}
.partner-points li{background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px 18px;font-size:14.5px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.partner-points strong{color:var(--ink)}
.partner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}

/* Footer */
.site-footer{background:#f0f5ff;border-top:1px solid #dfe8f8;color:var(--ink-2);padding:44px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:32px;align-items:start}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px}
.footer-brand .ai-page-logo{height:30px!important;width:auto!important;max-width:140px!important;object-fit:contain;display:block}
.footer-desc{margin-top:14px;font-size:14px;color:#4a5b78;line-height:1.8}
.footer-meta{margin-top:12px;font-size:13.5px;color:#5a6b88}
.footer-col h3{font-size:15px;color:var(--ink);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:#3b4d6b;transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:32px;border-top:1px solid #dfe8f8;padding:16px 0;font-size:13px;color:#5c6b85;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom a{color:#3b4d6b;font-weight:600}
.footer-bottom a:hover{color:var(--brand)}

/* Float tools */
.float-tools{position:fixed;right:24px;bottom:28px;z-index:90;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:56px;height:56px;border-radius:18px;border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;box-shadow:var(--shadow-md);font-size:12.5px;font-weight:700;font-family:inherit;transition:transform .2s ease,box-shadow .25s ease}
.float-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.float-btn svg{display:block}
.float-btn.primary{background:linear-gradient(135deg,#3a6bff,#2450e6);color:#fff;border-color:transparent}
.service-card{position:absolute;right:0;bottom:calc(100% + 14px);width:252px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease}
.service-card.show{opacity:1;visibility:visible;transform:translateY(0)}
.service-card h3{font-size:15px}
.service-card .sc-qr{display:block;width:100%;max-width:160px;height:auto;margin:12px auto 0;border-radius:10px;background:#f7faff}
.service-card p{font-size:13px;color:var(--muted);margin-top:10px}
.service-card p strong{color:var(--ink);font-weight:700}
.service-card .sc-mail{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--brand);word-break:break-all}

/* Reveal */
.reveal.is-visible{animation:riseIn .72s cubic-bezier(.2,.7,.3,1) both}
@keyframes riseIn{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}

/* Responsive */
@media (max-width:1080px){
  .nav{position:absolute;left:0;right:0;top:100%;display:none;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 34px rgba(20,50,120,.12);padding:10px 0}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;padding:0 20px}
  .nav-links a{padding:12px 10px;font-size:15px}
  .nav-toggle{display:flex}
}
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .metrics{grid-template-columns:repeat(2,1fr);margin-top:34px}
  .about-grid{grid-template-columns:1fr;gap:24px}
  .g-3,.g-4,.steps,.network-list,.token-cards{grid-template-columns:repeat(2,1fr)}
  .compare-top{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:680px){
  .container{width:calc(100% - 28px)}
  .section{padding:52px 0}
  .hero{padding:36px 0 34px}
  .g-2,.g-3,.g-4,.steps,.network-list,.token-cards,.feature-list{grid-template-columns:1fr}
  .contact-form .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .partner-wrap{padding:26px 20px}
  .float-tools{right:16px;bottom:18px}
  .float-btn{width:50px;height:50px;border-radius:16px}
  .service-card{width:min(252px,calc(100vw - 52px))}
  .header-actions .btn{display:none}
  .article-item{gap:10px;padding:14px 16px}
  .article-tag{display:none}
}