:root{--ink:#172033;--muted:#5b6578;--line:#e2e6ee;--bg:#f7f9fc;--brand:#2f6fed;--brand-d:#1f4fbf;--accent:#f2a33a;--radius:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;color:var(--ink);line-height:1.6;background:#fff}
a{color:var(--brand)}img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none}.logo span{color:var(--brand)}
nav a{margin-left:20px;color:var(--muted);text-decoration:none;font-size:.95rem}nav a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--brand-d)}.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn[aria-disabled=true]{opacity:.85}
.hero{padding:72px 0 56px;background:linear-gradient(180deg,#eef3fd,#fff)}
.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.15;margin:0 0 16px;max-width:820px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:680px;margin:0 0 28px}
.pill{display:inline-block;background:#fff3df;color:#8a5200;border-radius:99px;padding:4px 12px;font-size:.85rem;font-weight:600;margin-bottom:14px}
section{padding:56px 0}section.alt{background:var(--bg)}
h2{font-size:1.9rem;margin:0 0 12px}.sub{color:var(--muted);margin:0 0 32px;max-width:680px}
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.step-n{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:8px}
.price{font-size:2.3rem;font-weight:800;margin:8px 0 0}.price small{font-size:.95rem;color:var(--muted);font-weight:500}
.tier.featured{border:2px solid var(--brand);box-shadow:0 8px 30px rgba(47,111,237,.12)}
.tier ul{padding-left:18px;margin:16px 0 22px}.tier li{margin:6px 0}
.placeholder-note{font-size:.8rem;color:#8a5200;background:#fff8ec;border:1px dashed var(--accent);border-radius:8px;padding:6px 10px;margin:10px 0}
details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:10px 0;background:#fff}
summary{font-weight:600;cursor:pointer}
.sample-frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.sample-frame .bar{background:#f0f2f6;padding:8px 14px;font-size:.85rem;color:var(--muted);border-bottom:1px solid var(--line)}
.sample-frame .doc{padding:24px;max-height:560px;overflow:auto}
.doc h3{margin-top:1.4em}.doc img{border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}th{background:#eef3fd}
form .row{margin-bottom:18px}label{display:block;font-weight:600;margin-bottom:6px}
input[type=text],input[type=email],input[type=url],select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd5df;border-radius:8px;font:inherit}
textarea{min-height:90px}.hint{font-size:.85rem;color:var(--muted);margin-top:4px}
.drop{border:2px dashed #b9c4d8;border-radius:var(--radius);padding:28px;text-align:center;background:var(--bg)}
progress{width:100%;height:12px}
.tabs{display:flex;gap:8px;margin-bottom:12px}.tabs button{flex:1;padding:10px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-weight:600}
.tabs button.on{border-color:var(--brand);color:var(--brand);background:#eef3fd}
article.guide h1{font-size:2.3rem;line-height:1.2}article.guide h2{font-size:1.5rem;margin-top:2em}article.guide h3{font-size:1.15rem}
.cta-box{background:#eef3fd;border:1px solid #cddcfb;border-radius:var(--radius);padding:24px;margin:32px 0}
.breadcrumb{font-size:.85rem;color:var(--muted);margin:24px 0 0}
footer.site{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:.9rem}
footer.site a{color:var(--muted);margin-right:16px}