:root{--primary:#1989fa;--black:#111111;--dark:#1C1C1C;--mid:#2B2B2B;--light:#F5F5F5;--white:#ffffff;--shadow:0 14px 34px rgba(0,0,0,.10);--radius:18px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--light);color:#202020;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{background:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 8px 22px rgba(0,0,0,.06)}.header-inner{min-height:70px;display:grid;grid-template-columns:48px 1fr 0;align-items:center;gap:12px;width:min(1180px,calc(100% - 24px));margin:0 auto}.logo{justify-self:center;display:flex;align-items:center}.logo img{width:128px;max-height:48px;object-fit:contain}.main-nav,.header-actions{display:none}.mobile-menu-toggle{width:42px;height:42px;border:0;border-radius:14px;background:var(--primary);color:#fff;font-size:24px;cursor:pointer;line-height:1}.mobile-nav{display:none;width:min(1120px,calc(100% - 24px));margin:0 auto 10px;padding:12px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:18px;box-shadow:var(--shadow);gap:8px}.mobile-nav.is-open{display:grid}.mobile-nav a{padding:11px 12px;border-radius:12px;background:var(--light);font-weight:700}.mobile-actions{display:flex;justify-content:center;gap:12px;padding:0 12px 14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;background:linear-gradient(135deg,var(--primary),#0f6fd1);color:#fff;font-weight:800;padding:13px 22px;box-shadow:0 10px 24px rgba(25,137,250,.25);border:0;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn-small{padding:10px 18px;font-size:14px}.btn-soft{background:linear-gradient(135deg,#2b2b2b,#111);box-shadow:0 10px 24px rgba(0,0,0,.18)}.hero{background:linear-gradient(135deg,#ffffff 0%,#eef6ff 54%,#dbeeff 100%);padding:46px 0 30px}.banner{display:grid;gap:26px;align-items:center}.hero h1{font-size:34px;line-height:1.12;margin:0 0 14px;color:#111}.hero p{font-size:17px;margin:0 0 20px;color:#3f4752}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tag,.pill{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(25,137,250,.12);color:#0b5eaf;font-weight:700;font-size:14px}.hero-img{background:#fff;border-radius:28px;padding:18px;box-shadow:var(--shadow)}section{padding:38px 0}.section-title{margin:0 0 18px;color:#111;font-size:28px}.lead{font-size:17px;color:#4e5661}.grid{display:grid;gap:18px}.card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.05)}.card h3,.card h2{margin-top:0;color:#111}.notice{background:#fff8e8;border:1px solid rgba(239,160,0,.25);border-left:6px solid var(--primary);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.faq{display:grid;gap:14px}.faq details{background:#fff;border-radius:16px;padding:17px 18px;box-shadow:var(--shadow)}.faq summary{font-weight:800;cursor:pointer;color:#111}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding-left:54px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.footer{background:#111;color:#f3f3f3;margin-top:40px;padding-top:38px}.footer-grid{display:grid;gap:24px}.footer a{display:block;color:#f6f6f6;margin:6px 0}.footer-logo img{width:132px;margin-bottom:12px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:16px;margin-top:28px;color:#cfcfcf}.page-hero{background:#fff;padding:38px 0;border-bottom:1px solid rgba(0,0,0,.06)}.page-hero h1{margin:0 0 10px;font-size:34px;color:#111}.content{background:#fff;border-radius:22px;padding:24px;box-shadow:var(--shadow)}ul.clean{padding-left:20px}@media (min-width:768px){.header-inner{grid-template-columns:170px 1fr auto;min-height:78px}.mobile-menu-toggle,.mobile-nav,.mobile-actions{display:none!important}.logo{justify-self:start}.logo img{width:150px}.main-nav{display:flex;justify-content:center;gap:8px}.main-nav a{font-weight:800;padding:10px 13px;border-radius:999px}.main-nav a:hover{background:rgba(25,137,250,.1);color:#0b5eaf}.header-actions{display:flex;gap:10px}.banner{grid-template-columns:1.12fr .88fr}.hero h1{font-size:48px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1.3fr}}@media (min-width:1024px){.container{width:min(1120px,calc(100% - 56px))}.header-inner{width:min(1180px,calc(100% - 64px));gap:24px}.hero{padding:64px 0 46px}.section-title{font-size:32px}}