:root{--bg:#f7f8fb;--card:#fff;--text:#172033;--muted:#657087;--line:#e3e7ef;--brand:#3b57e8;--brand2:#2439a8;--soft:#eef1ff;--good:#116a4b}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.66}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1120px,calc(100% - 36px));margin:auto}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.top{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:850;font-size:1.15rem;color:var(--text)}.mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#fff;font-weight:900}
nav{display:flex;gap:20px;align-items:center;font-size:.95rem}nav a{color:var(--text)}.menu{display:none;background:none;border:0;font-size:1.4rem}
.hero{padding:72px 0 44px;background:linear-gradient(180deg,#fff 0,var(--bg) 100%)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.kicker{font-size:.82rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--brand)}h1{font-size:clamp(2.1rem,5vw,4.1rem);line-height:1.06;letter-spacing:-.04em;margin:.3em 0}
h2{font-size:clamp(1.45rem,3vw,2.1rem);line-height:1.2;letter-spacing:-.02em;margin-top:2em}h3{line-height:1.3;margin-top:1.7em}.lede{font-size:1.18rem;color:var(--muted);max-width:720px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;background:var(--brand);color:#fff;font-weight:750;border:1px solid var(--brand);text-decoration:none}.btn:hover{background:var(--brand2);text-decoration:none}.btn.alt{background:#fff;color:var(--brand2);border-color:var(--line)}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.notice,.box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.notice{font-size:.9rem;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.card h3{margin-top:0}.card p{color:var(--muted)}
main article{max-width:790px;margin:44px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(24px,5vw,54px)}article p,article li{font-size:1.02rem}article .meta{color:var(--muted);font-size:.9rem;margin-bottom:28px}.toc{background:var(--soft);border-radius:14px;padding:18px 22px;margin:26px 0}.toc b{display:block;margin-bottom:6px}
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.94rem}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#f2f4f8}
.procon{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pill{display:inline-block;font-size:.78rem;background:var(--soft);color:var(--brand2);padding:4px 8px;border-radius:999px;font-weight:700}
.money{background:#f7f9ff;border:1px solid #cfd6ff;border-radius:16px;padding:20px;margin:28px 0}.money strong{display:block;font-size:1.1rem}.money small{display:block;color:var(--muted);margin-top:8px}
.breadcrumbs{font-size:.86rem;color:var(--muted);margin-top:22px}.breadcrumbs a{color:var(--muted)}
footer{margin-top:60px;background:#151b2b;color:#c7cede;padding:42px 0}footer a{color:#e9edff}.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.small{font-size:.86rem;color:#99a5bd}
.list-clean{padding:0;list-style:none}.list-clean li{margin:8px 0}.source-note{font-size:.88rem;color:var(--muted);border-left:3px solid var(--line);padding-left:14px}
@media(max-width:780px){nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;padding:18px 24px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu{display:block}.hero-grid,.grid,.foot,.procon{grid-template-columns:1fr}.hero{padding-top:44px}main article{margin:24px auto;border-radius:14px}}

/* Site-wide conversion and article layout */
.header-cta{white-space:nowrap;padding:10px 14px;font-size:.9rem}
.content-shell{width:min(1120px,calc(100% - 36px));margin:32px auto 0;display:grid;grid-template-columns:minmax(0,790px) 280px;gap:28px;align-items:start}
.content-shell main{min-width:0}.content-shell main article{max-width:none;margin:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(24px,5vw,54px)}
.sidebar{position:sticky;top:94px}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px;margin-bottom:16px}
.side-card h3{margin:0 0 8px;font-size:1.03rem}.side-card p{font-size:.9rem;color:var(--muted);margin:.5em 0 1em}.side-card .btn{width:100%;text-align:center}
.side-links{list-style:none;padding:0;margin:0}.side-links li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.9rem}.side-links li:last-child{border-bottom:0}
.affiliate-mini{font-size:.76rem;color:var(--muted);margin-top:8px}.site-disclosure{font-size:.8rem;color:#aab3c6;margin-top:18px}
@media(max-width:980px){.top{gap:12px}nav{gap:12px}.header-cta{padding:9px 10px}}
@media(max-width:780px){.header-cta{margin-left:auto}.content-shell{grid-template-columns:1fr;margin-top:20px}.sidebar{position:static;order:-1}.sidebar .side-links-card{display:none}.content-shell main article{border-radius:14px}.top{min-height:70px}.menu{order:3}}