/* Mobile-first responsive SaaS wallet website */
:root{
  --primary:#2980FE;
  --primary-dark:#1266df;
  --primary-soft:#eaf3ff;
  --bg:#f6f9fd;
  --bg-soft:#eef5ff;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#667085;
  --muted-2:#98a2b3;
  --border:#e6edf5;
  --shadow:0 16px 42px rgba(22, 55, 92, .09);
  --shadow-soft:0 10px 28px rgba(22, 55, 92, .06);
  --radius:24px;
  --radius-sm:18px;
  --container:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 14px;color:var(--muted)}
h1,h2,h3{margin:0;color:var(--text);line-height:1.18;letter-spacing:-.02em}
h1{font-size:34px;margin-bottom:18px}
h2{font-size:26px;margin-bottom:14px}
h3{font-size:18px;margin-bottom:10px}
ul,ol{padding-left:20px;color:var(--muted)}
.container{width:min(calc(100% - 32px),var(--container));margin:0 auto}
.section{padding:58px 0}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;max-width:760px}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:7px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700}
.gradient-bg{background:radial-gradient(circle at 20% 8%,rgba(41,128,254,.16),transparent 26%),radial-gradient(circle at 88% 12%,rgba(41,128,254,.11),transparent 30%),linear-gradient(180deg,#fff 0%,#f7fbff 100%)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,237,245,.78)}
.nav-shell{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:20px}
.logo img,.footer-logo img{width:34px;height:34px;object-fit:contain;border-radius:10px}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--border);border-radius:14px;background:#fff;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--text);margin:0 auto;border-radius:99px}
.site-nav{position:absolute;left:16px;right:16px;top:76px;display:none;flex-direction:column;gap:4px;padding:12px;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)}
.site-nav.open{display:flex}
.site-nav a{padding:12px 14px;border-radius:14px;color:#475467;font-size:15px;font-weight:650}
.site-nav a:hover,.site-nav a.active{background:var(--primary-soft);color:var(--primary)}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 24px;border-radius:999px;background:var(--primary);color:#fff!important;font-weight:800;box-shadow:0 12px 28px rgba(41,128,254,.24);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer;border:0}
.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark);box-shadow:0 16px 34px rgba(41,128,254,.28)}
.app-hero{padding:54px 0 34px;position:relative;overflow:hidden}
.app-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 74% 20%,rgba(41,128,254,.18),transparent 28%);pointer-events:none}
.hero-grid{position:relative;display:grid;gap:32px;align-items:center}
.hero-copy{max-width:620px}
.hero-copy p{font-size:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.hero-tags span{padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:#fff;color:#475467;font-size:13px;font-weight:650}
.app-visual{position:relative;display:grid;place-items:center;min-height:360px;padding:18px;border-radius:30px;background:linear-gradient(145deg,#fff 0%,#eef6ff 100%);border:1px solid var(--border);box-shadow:var(--shadow-soft)}
.app-visual .phone-img{max-height:430px;object-fit:contain;filter:drop-shadow(0 20px 36px rgba(24,62,118,.14))}
.floating-card{position:static;display:flex;align-items:center;gap:10px;width:100%;padding:13px 14px;margin-top:10px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.95);box-shadow:var(--shadow-soft)}
.floating-card strong{display:block;font-size:14px;color:var(--text)}
.floating-card small{display:block;color:var(--muted);font-size:12px;line-height:1.4}
.float-dot{width:34px;height:34px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-weight:900;flex:0 0 auto}
.ability-bar{display:grid;gap:12px;margin-top:22px;padding:12px;border:1px solid var(--border);border-radius:26px;background:#fff;box-shadow:var(--shadow-soft)}
.ability-item{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f9fbff);border:1px solid #edf2f7}
.ability-item b{display:block;color:var(--primary);margin-bottom:5px}
.ability-item span{font-size:13px;color:var(--muted)}
.feature-showcase{display:grid;gap:16px}
.feature-card{position:relative;overflow:hidden;display:grid;gap:14px;padding:22px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft)}
.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary)}
.feature-card img{width:100%;max-height:210px;object-fit:contain;border-radius:18px;background:#f6f9fd;padding:10px}
.feature-card a:not(.download-btn),.text-link{display:inline-flex;align-items:center;color:var(--primary);font-weight:800;margin-top:4px}
.product-section{display:grid;gap:24px;align-items:center;padding:26px;border:1px solid var(--border);border-radius:30px;background:#fff;box-shadow:var(--shadow-soft)}
.product-section.alt{background:linear-gradient(145deg,#f7fbff 0%,#fff 100%)}
.product-section.reverse .product-image{order:-1}
.product-copy .check-list{display:grid;gap:10px;margin:18px 0;padding:0;list-style:none}
.check-list li{position:relative;padding:12px 14px 12px 42px;border:1px solid var(--border);background:#fff;border-radius:16px;color:#475467}
.check-list li:before{content:"✓";position:absolute;left:14px;top:12px;width:20px;height:20px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:900;font-size:12px}
.product-image{display:grid;place-items:center;border-radius:26px;background:linear-gradient(160deg,#eef6ff,#fff);border:1px solid var(--border);padding:18px;min-height:260px}
.product-image img{max-height:340px;object-fit:contain}
.cold-wallet-panel{background:linear-gradient(145deg,#f4f9ff 0%,#fff 100%)}
.swap-panel{background:#fff}
.dapp-panel{background:linear-gradient(145deg,#fff 0%,#f3f8ff 100%)}
.process-steps{display:grid;gap:14px;counter-reset:step}
.step-card{position:relative;padding:20px 18px 18px;border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:var(--shadow-soft)}
.step-num{display:inline-grid;place-items:center;width:36px;height:36px;margin-bottom:12px;border-radius:14px;background:var(--primary);color:#fff;font-weight:900}
.risk-grid,.category-grid,.ecosystem-grid{display:grid;gap:16px}
.risk-card,.category-card,.info-card,.faq-item{padding:20px;border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:var(--shadow-soft)}
.risk-card{border-top:4px solid var(--primary)}
.risk-card em{display:block;font-style:normal;color:var(--primary);font-weight:800;margin-bottom:7px}
.category-card{background:linear-gradient(180deg,#fff,#f9fbff)}
.category-card h3{display:flex;align-items:center;gap:10px}
.category-card h3:before{content:"";width:10px;height:10px;border-radius:99px;background:var(--primary);box-shadow:0 0 0 6px var(--primary-soft)}
.faq-list{display:grid;gap:14px}
.faq-item h3{font-size:17px}
.cta-section{padding:34px 24px;border-radius:30px;background:radial-gradient(circle at 20% 10%,rgba(41,128,254,.16),transparent 28%),linear-gradient(135deg,#f5faff 0%,#fff 100%);border:1px solid var(--border);text-align:center;box-shadow:var(--shadow-soft)}
.cta-section p{max-width:660px;margin:0 auto 20px}
.page-hero{padding:48px 0 28px;background:linear-gradient(180deg,#fff 0%,#f5faff 100%);border-bottom:1px solid var(--border)}
.page-hero .container{display:grid;gap:14px;max-width:900px}
.page-hero p{font-size:16px;max-width:760px}
.content-layout{display:grid;gap:20px;align-items:start}
.article-panel{padding:24px;border:1px solid var(--border);border-radius:28px;background:#fff;box-shadow:var(--shadow-soft)}
.article-panel p + h2,.article-panel ul + h2,.article-panel ol + h2{margin-top:26px}
.side-panel{display:grid;gap:14px}
.note-box{padding:18px;border-radius:20px;background:var(--primary-soft);border:1px solid #d7e8ff;color:#475467}
.note-box strong{display:block;color:var(--primary);margin-bottom:6px}
.guide-grid{display:grid;gap:14px;margin:18px 0}
.guide-card{padding:18px;border:1px solid var(--border);border-radius:20px;background:#fff}
.guide-card b{display:block;color:var(--text);margin-bottom:6px}
.install-steps{display:grid;gap:12px;list-style:none;padding:0;margin:18px 0}
.install-steps li{padding:16px;border:1px solid var(--border);border-radius:18px;background:#fff;color:#475467}
.site-footer{margin-top:60px;padding:44px 0 22px;background:#101828;color:#fff}
.site-footer p,.site-footer a,.footer-bottom span{color:#cbd5e1}
.footer-grid{display:grid;gap:26px}
.footer-grid h3{color:#fff;font-size:15px;margin-bottom:12px}
.footer-grid a{display:block;margin:8px 0;font-size:14px}
.footer-logo{color:#fff;margin-bottom:12px}
.footer-bottom{display:flex;flex-direction:column;gap:8px;margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
@media (min-width:640px){
  h1{font-size:42px}.ability-bar{grid-template-columns:repeat(2,1fr)}.feature-showcase,.risk-grid,.category-grid,.ecosystem-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  h1{font-size:58px}.section{padding:78px 0}.nav-toggle{display:none}.site-nav{position:static;display:flex;flex-direction:row;align-items:center;gap:2px;padding:0;background:transparent;border:0;box-shadow:none}.site-nav a{padding:9px 12px}.hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);gap:48px}.app-hero{padding:82px 0 44px}.app-visual{min-height:520px;padding:28px}.floating-card{position:absolute;width:190px;margin:0}.floating-card.one{top:52px;left:-18px}.floating-card.two{top:86px;right:-6px}.floating-card.three{bottom:72px;left:-22px}.floating-card.four{bottom:46px;right:8px}.ability-bar{grid-template-columns:repeat(5,1fr)}.feature-showcase{grid-template-columns:repeat(2,1fr)}.product-section{grid-template-columns:1fr 1fr;padding:38px}.product-section.reverse .product-image{order:2}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.ecosystem-grid,.category-grid{grid-template-columns:repeat(4,1fr)}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.article-panel{padding:34px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}.footer-bottom{flex-direction:row;justify-content:space-between}.product-copy p{font-size:16px}
}
@media (min-width:1080px){.site-nav a{padding:10px 14px}.process-steps{grid-template-columns:repeat(6,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}}