:root{--primary:#14bfed;--black:#111111;--dark:#1C1C1C;--mid:#2B2B2B;--light:#F5F5F5;--white:#ffffff;--muted:#667085;--line:#e7edf2;--shadow:0 14px 40px rgba(17,17,17,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#fff;color:var(--black);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}header,.site-header{background:linear-gradient(135deg,var(--primary),#0f91c8);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 8px 28px rgba(20,191,237,.2)}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:.3px}.logo img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px}.nav{display:none;align-items:center;gap:8px}.nav a{padding:10px 14px;border-radius:999px;color:#fff;font-weight:700;font-size:14px;opacity:.92}.nav a:hover,.nav a.active{background:rgba(255,255,255,.2);opacity:1}.mobile-nav a{background:#fff;color:var(--black);padding:10px 14px;border-radius:999px;font-weight:800;font-size:13px}.hero,.banner{background:radial-gradient(circle at top right,rgba(20,191,237,.2),transparent 34%),linear-gradient(180deg,#f8fcff 0%,#fff 100%);padding:54px 0 34px}.hero-grid{display:grid;gap:28px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;background:rgba(20,191,237,.12);color:#087da3;border:1px solid rgba(20,191,237,.22);padding:7px 12px;border-radius:999px;font-weight:800;font-size:13px}.hero h1,.page-hero h1{font-size:34px;line-height:1.15;margin:16px 0 14px}.hero p,.page-hero p{font-size:17px;color:#3f4a56;margin:0 0 18px}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#061318;border:0;padding:13px 20px;border-radius:999px;font-weight:900;box-shadow:0 10px 24px rgba(20,191,237,.28);transition:transform .2s ease,box-shadow .2s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,191,237,.36)}.btn.secondary{background:#111;color:#fff;box-shadow:none}.app-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:18px;box-shadow:var(--shadow)}section{padding:34px 0}.section-title{margin:0 0 18px;font-size:26px}.section-lead{color:var(--muted);max-width:760px;margin:-8px 0 22px}.grid{display:grid;grid-template-columns:1fr;gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0;line-height:1.25}.card p:last-child{margin-bottom:0}.notice{background:linear-gradient(135deg,rgba(20,191,237,.14),rgba(245,245,245,.8));border:1px solid rgba(20,191,237,.28);border-left:5px solid var(--primary);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.faq{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 8px 22px rgba(17,17,17,.05)}.faq-item h3{margin:0 0 8px}.page-hero{background:#f8fcff;padding:42px 0 30px;border-bottom:1px solid var(--line)}.content-list{padding-left:20px}.content-list li{margin:8px 0}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.link-row a{font-weight:800;color:#087da3}.footer{background:var(--dark);color:#e9eef2;margin-top:38px;padding:36px 0 20px}.footer-grid{display:grid;gap:24px}.footer a{display:block;color:#e9eef2;margin:7px 0}.footer p{color:#c8d0d7}.footer-brand{font-size:24px;font-weight:900;color:var(--primary)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px;color:#b8c2ca;font-size:14px}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill{background:#f1fbfe;border:1px solid rgba(20,191,237,.25);color:#087da3;border-radius:999px;padding:8px 12px;font-weight:800;font-size:13px}@media (min-width:768px){.nav{display:flex}.mobile-nav{display:none}.hero-grid{grid-template-columns:1.05fr .95fr}.hero h1,.page-hero h1{font-size:46px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.4fr .8fr 1.2fr}section{padding:46px 0}}@media (min-width:1024px){.hero,.banner{padding:74px 0 54px}.hero h1{font-size:56px}.section-title{font-size:32px}.card{padding:24px}.container{width:min(1180px,calc(100% - 48px))}}