:root{--primary:#269CD7;--black:#111111;--deep:#1C1C1C;--mid:#2B2B2B;--light:#F5F5F5;--white:#fff;--text:#202020;--muted:#666;--radius:18px;--shadow:0 12px 34px rgba(17,17,17,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}header,.site-header{background:linear-gradient(135deg,var(--black),var(--deep));color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.18)}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}.logo img{width:42px;height:42px;object-fit:contain;border-radius:10px}nav,.desktop-nav{display:none;gap:8px;align-items:center}nav a,.desktop-nav a,.mobile-nav a{padding:10px 12px;border-radius:999px;color:rgba(255,255,255,.92);font-weight:600;font-size:14px}nav a:hover,.desktop-nav a:hover,.mobile-nav a:hover{background:rgba(38,156,215,.18);color:#fff}.mobile-nav{display:grid;grid-template-columns:repeat(4,auto);gap:2px;overflow-x:auto;padding-bottom:2px}.hero,.banner{background:radial-gradient(circle at top right,rgba(38,156,215,.34),transparent 34%),linear-gradient(135deg,#111 0%,#1C1C1C 55%,#2B2B2B 100%);color:#fff;padding:54px 0}.hero-grid{display:grid;gap:28px;align-items:center}.hero h1,.page-hero h1{font-size:clamp(32px,8vw,58px);line-height:1.05;margin:0 0 18px;letter-spacing:-1.2px}.hero p,.page-hero p{color:rgba(255,255,255,.84);margin:0 0 22px}.hero-image{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:20px;box-shadow:var(--shadow)}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tag{background:rgba(38,156,215,.34);color:#fff;border:1px solid rgba(255,255,255,.18);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}section{padding:46px 0}.section-title{margin:0 0 18px;font-size:clamp(24px,5vw,36px);line-height:1.16;color:#111}.section-lead{color:var(--muted);max-width:760px;margin:0 0 22px}.grid{display:grid;gap:18px}.card{background:#fff;border:1px solid rgba(17,17,17,.08);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0;color:#111;line-height:1.25}.card p:last-child{margin-bottom:0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 20px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(38,156,215,.28);border:0}.btn:hover{transform:translateY(-1px);filter:brightness(1.07)}.notice{border-left:5px solid var(--primary);background:#eef8fd;border-radius:18px;padding:18px;color:#2d2d2d;box-shadow:0 8px 26px rgba(17,17,17,.06)}.faq{display:grid;gap:14px}.faq details{background:#fff;border:1px solid rgba(17,17,17,.08);border-radius:18px;padding:18px;box-shadow:0 8px 24px rgba(17,17,17,.06)}.faq summary{cursor:pointer;font-weight:800;color:#111}.page-hero{padding:50px 0;color:#fff;background:linear-gradient(135deg,#111,#1C1C1C)}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:14px}.list{padding-left:20px}.list li{margin:10px 0}.footer{background:#111;color:rgba(255,255,255,.82);padding:44px 0 18px}.footer h2,.footer h3{color:#fff;margin-top:0}.footer a{display:block;color:rgba(255,255,255,.78);margin:8px 0}.footer a:hover{color:#bde8fb}.footer-grid{display:grid;gap:22px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;font-size:14px;color:rgba(255,255,255,.62)}.soft{background:var(--light)}.inline-links a{color:var(--primary);font-weight:700}@media (min-width:768px){.mobile-nav{display:none}nav,.desktop-nav{display:flex}.hero-grid{grid-template-columns:1.1fr .9fr}.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}}@media (min-width:1024px){.hero,.banner{padding:76px 0}section{padding:62px 0}.card{padding:26px}}