:root{
  --bg:#fbf6f3;--surface:#fff;--text:#1f2937;--muted:#667085;--primary:#c43e1c;--primary-dark:#8f2f16;--primary-soft:#fff0ea;--accent:#e66b2e;--border:#ead9d1;--soft:#fff5ef;--warning:#fff8e7;--shadow:0 14px 35px rgba(143,47,22,.13);--radius:18px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{text-decoration:none;color:inherit}.container{width:min(1140px,calc(100% - 32px));margin:0 auto}.topbar{background:rgba(255,255,255,.94);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;line-height:1.1;font-weight:900;letter-spacing:-.02em}.brand span:first-child{font-size:1.28rem;color:var(--primary)}.brand span:last-child{font-size:.82rem;color:var(--muted);font-weight:700}.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:.96rem;color:var(--muted)}.nav-links a:hover{color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 18px;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}.btn-secondary:hover{border-color:#f0b39e;color:var(--primary)}.hero{padding:60px 0 42px;background:radial-gradient(circle at top left,rgba(196,62,28,.18),transparent 34%),linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);gap:34px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary-dark);border:1px solid #f0b39e;border-radius:999px;padding:7px 12px;font-size:.9rem;font-weight:800;margin-bottom:18px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.92rem;margin-bottom:22px}.breadcrumb a{color:var(--primary-dark);font-weight:800}h1{font-size:clamp(2.15rem,5vw,4.2rem);line-height:1.04;letter-spacing:-.055em;margin:0 0 18px}.lead{font-size:1.17rem;color:var(--muted);max-width:780px;margin:0 0 26px}.hero-actions,.quick-links{display:flex;gap:12px;flex-wrap:wrap}.chip{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 12px;color:var(--muted);font-size:.94rem}.chip:hover{background:var(--primary-soft);border-color:#f0b39e;color:var(--primary)}section{padding:54px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-title h2{font-size:clamp(1.65rem,3vw,2.45rem);letter-spacing:-.045em;line-height:1.1;margin:0}.section-title p{color:var(--muted);max-width:540px;margin:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 8px 20px rgba(15,23,42,.045);transition:.2s ease;min-height:100%}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f0b39e}.tag{display:inline-block;color:var(--primary);font-weight:900;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}.card h3{margin:8px 0 8px;font-size:1.18rem;line-height:1.25;letter-spacing:-.025em}.card p{margin:0;color:var(--muted);font-size:.96rem}.layout{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:30px;align-items:start;padding:42px 0 64px}.article{display:grid;gap:22px}.box,.toc,.side-card,.hero-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 20px rgba(15,23,42,.045)}.box{padding:28px}.hero-card{padding:28px;box-shadow:var(--shadow)}.box h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.18;letter-spacing:-.04em;margin:0 0 14px}.box h3{font-size:1.16rem;letter-spacing:-.025em;margin:24px 0 8px}.box p{margin:0 0 14px}.box ul,.box ol{margin:12px 0 0;padding-left:22px}.box li{margin-bottom:8px}.answer{background:var(--primary-soft);border:1px solid #f0b39e;border-radius:22px;padding:24px;box-shadow:var(--shadow)}.answer h2{color:var(--primary-dark);margin:0 0 12px}.step-list{counter-reset:step;list-style:none;padding:0;margin:14px 0 0}.step-list li{counter-increment:step;display:grid;grid-template-columns:34px 1fr;gap:12px;margin-bottom:12px;color:var(--muted)}.step-list li:before{content:counter(step);background:var(--primary);color:#fff;border-radius:50%;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;font-weight:900}.note{background:var(--warning);border:1px solid #f4d58d;border-radius:16px;padding:16px;color:#6f4e00;margin:16px 0}.warning{background:#fff1f2;border:1px solid #fecdd3;border-radius:16px;padding:16px;color:#881337;margin:16px 0}.example{background:#21110b;color:#ffe8dd;border-radius:14px;padding:15px 16px;font-family:Consolas,Monaco,monospace;overflow-x:auto;margin:14px 0}.toc{padding:20px;position:sticky;top:92px}.toc strong{display:block;margin-bottom:10px;color:var(--primary-dark)}.toc a{display:block;padding:8px 0;border-bottom:1px solid var(--border);color:var(--muted);font-size:.94rem}.toc a:last-child{border-bottom:0}.toc a:hover{color:var(--primary)}.side-card{padding:20px;margin-top:18px}.side-card h3{margin:0 0 8px;letter-spacing:-.03em}.side-card p{margin:0 0 14px;color:var(--muted);font-size:.95rem}.adbox{background:linear-gradient(135deg,#fff 0%,var(--soft) 100%);border:1px dashed #e8a58d;border-radius:18px;padding:20px}.adbox small{display:block;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);font-weight:900;margin-bottom:8px}.adbox strong{display:block;font-size:1.12rem;margin-bottom:7px}.diagnosis-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.diagnosis-card{display:block;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;min-height:132px;transition:.2s ease}.diagnosis-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f0b39e}.diagnosis-card strong{display:block;color:var(--primary-dark);margin-bottom:8px}.diagnosis-card span{color:var(--muted);font-size:.94rem}.search-box{background:#fff;border:1px solid var(--border);border-radius:18px;padding:12px;display:flex;gap:10px;max-width:760px;box-shadow:var(--shadow)}.search-box input{flex:1;border:0;outline:0;font-size:1rem;padding:12px 14px;min-width:0}.cta{background:linear-gradient(135deg,#8f2f16 0%,#5f1e10 100%);color:#fff;border-radius:28px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:24px}.cta h2{margin:0 0 8px;font-size:1.65rem;letter-spacing:-.035em}.cta p{margin:0;color:#ffe8dd;max-width:720px}.footer{padding:34px 0;border-top:1px solid var(--border);background:#fff;color:var(--muted);font-size:.95rem}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.hidden{display:none!important}@media(max-width:980px){.hero-grid,.layout{grid-template-columns:1fr}.toc{position:static}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.diagnosis-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.nav{align-items:flex-start;flex-direction:column;padding:18px 0}.cards,.diagnosis-grid{grid-template-columns:1fr}.section-title,.cta{align-items:flex-start;flex-direction:column}.search-box{flex-direction:column}.box,.answer{padding:22px}.hero{padding-top:38px}}
.footer {
	padding: 38px 0;
	background: #fff;
	border-top: 1px solid var(--border);
	color: var(--muted);
}
.footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 24px;
}
.footer strong {
	display: block;
	color: var(--text);
	margin-bottom: 8px;
}
.footer a {
	display: block;
	margin: 5px 0;
}
.footer a:hover {
	color: var(--primary);
}