:root {
    --px-bg-soft: #F0F9FF;
    --px-bg-paper: #F4F6F8;
    --px-accent: #0369A1;
    --px-accent-soft: #E0F2FE;
    --px-green: #059669;
    --px-green-soft: #D1FAE5;
    --px-warn: #D97706;
    --px-warn-soft: #FEF3C7;
    --px-danger: #DC2626;
    --px-danger-soft: #FEE2E2;
    --px-shadow: 0 4px 16px rgba(8,43,99,0.06);
    --px-shadow-hover: 0 8px 24px rgba(8,43,99,0.10);
}
.px-guide { background: #fff; color: var(--cb-text); font-size: 16px; line-height: 1.7; overflow-x: hidden; }
.px-section { padding: 68px 0; position: relative; }
.px-section--tight { padding: 40px 0; }
.px-section--sky { background: var(--px-bg-soft); }
.px-section--paper { background: var(--px-bg-paper); }
.px-guide h1, .px-guide h2, .px-guide h3, .px-guide h4 { margin: 0; color: var(--cb-blue); letter-spacing: -0.01em; }
.px-guide h1 { font-size: 42px; line-height: 1.1; font-weight: 900; }
.px-guide h2 { font-size: 28px; line-height: 1.2; font-weight: 800; }
.px-guide h3 { font-size: 18px; line-height: 1.3; font-weight: 800; }
.px-guide h4 { font-size: 15px; line-height: 1.35; font-weight: 800; }
.px-guide p { color: var(--cb-muted); font-size: 16px; line-height: 1.75; margin: 10px 0 0; }
.px-guide p + p { margin-top: 8px; }
.px-guide p:first-child { margin-top: 0; }
.px-label { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 12px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--cb-green); }
.px-label::before { content: ""; width: 18px; height: 2px; background: var(--cb-green); }
.px-head { max-width: 800px; margin: 0 auto 32px; text-align: center; }
.px-head--left { margin-left: 0; margin-right: 0; text-align: left; }
.px-head p { margin: 10px 0 0; font-size: 16px; }
.px-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; color: rgba(255,255,255,0.7); font-size: 13px; font-weight: 700; }
.px-breadcrumb a { color: rgba(255,255,255,0.85); text-decoration: none; }
.px-hero { position: relative; overflow: hidden; max-width: 100%; background: linear-gradient(165deg, #0B2D5E 0%, #072048 100%); color: #fff; }
.px-hero::before { content: ""; position: absolute; top: -25%; left: 60%; width: 450px; height: 450px; background: radial-gradient(circle, rgba(24,166,58,0.07) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.px-hero__inner { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(280px,0.8fr); gap: 40px; align-items: center; padding-top: 56px; padding-bottom: 64px; position: relative; z-index: 1; }
.px-hero h1 { margin-top: 4px; color: #fff; }
.px-hero p { color: rgba(255,255,255,0.85); margin-top: 10px; }
.px-hero__intro { font-size: 17px !important; line-height: 1.6 !important; }
.px-hero__risk { margin-top: 12px; font-size: 12.5px !important; color: rgba(255,255,255,0.55) !important; line-height: 1.5 !important; }
.px-hero-card { background: rgba(255,255,255,0.06); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.12); border-radius: 14px; padding: 22px; }
.px-hero-card h3 { font-size: 16px; color: #fff; margin-bottom: 12px; }
.px-hero-card__list { display: grid; gap: 8px; padding: 0; margin: 0; list-style: none; }
.px-hero-card__list li { position: relative; padding-left: 22px; color: rgba(255,255,255,0.88); font-weight: 600; font-size: 13.5px; line-height: 1.5; }
.px-hero-card__list li::before { content: "\2713"; position: absolute; left: 0; top: 0; color: var(--cb-green); font-weight: 900; font-size: 13px; }
.px-hero-card p { margin: 14px -22px -22px; padding: 12px 22px; background: rgba(0,0,0,0.2); border-top: 1px solid rgba(255,255,255,0.06); border-radius: 0 0 14px 14px; color: rgba(255,255,255,0.7) !important; font-size: 13px !important; }
.px-btn { text-decoration: none; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 10px 20px; border-radius: 8px; font-weight: 800; font-size: 14px; line-height: 1; transition: all 160ms ease; }
.px-btn--primary { background: var(--cb-green); color: #fff; box-shadow: 0 3px 10px rgba(24,166,58,0.2); }
.px-btn--primary:hover { background: var(--cb-green-dark); color: #fff; transform: translateY(-1px); }
.px-btn--secondary { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.px-btn--secondary:hover { background: rgba(255,255,255,0.18); color: #fff; }
.px-btn--outline { background: transparent; color: var(--cb-blue); border: 2px solid var(--cb-blue); }
.px-btn--outline:hover { background: var(--cb-blue); color: #fff; }
.px-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.px-card { background: #fff; border: 1px solid var(--cb-border); border-radius: 8px; }
.px-card--shadow { box-shadow: var(--px-shadow); }
.px-card--padded { padding: 22px; }
.px-grid { display: grid; gap: 14px; }
.px-grid--2 { grid-template-columns: repeat(2,minmax(0,1fr)); }
.px-grid--3 { grid-template-columns: repeat(3,minmax(0,1fr)); }
.px-entry-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(200px,1fr)); gap: 12px; margin-top: 16px; }
.px-entry-card { display: block; padding: 18px; background: #fff; border: 1px solid var(--cb-border); border-radius: 8px; box-shadow: var(--px-shadow); color: var(--cb-text); text-decoration: none; transition: all 160ms ease; }
.px-entry-card:hover { border-color: var(--cb-green); box-shadow: var(--px-shadow-hover); transform: translateY(-1px); }
.px-entry-card h4 { font-size: 15px; margin-bottom: 4px; color: var(--cb-blue); }
.px-entry-card p { font-size: 13px !important; margin: 0; color: var(--cb-muted); }
.px-entry-card strong { display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; font-size: 13px; color: var(--cb-green); font-weight: 700; }
.px-entry-card strong::after { content: "\2192"; }
.px-step-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.px-step-card { padding: 20px; background: #fff; border: 1px solid var(--cb-border); border-radius: 8px; box-shadow: var(--px-shadow); }
.px-step-card__num { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--cb-green); color: #fff; font-size: 13px; font-weight: 900; margin-bottom: 10px; }
.px-step-card h4 { font-size: 15px; margin-bottom: 4px; }
.px-step-card p { font-size: 13.5px !important; margin: 0; line-height: 1.55; }
.px-compare-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.px-compare-card { padding: 20px; background: #fff; border: 1px solid var(--cb-border); border-radius: 8px; box-shadow: var(--px-shadow); }
.px-compare-card h4 { margin-bottom: 6px; display: flex; align-items: center; gap: 8px; font-size: 15px; }
.px-compare-card h4::before { content: ""; width: 7px; height: 7px; border-radius: 50%; flex: 0 0 7px; }
.px-compare-card--safe h4::before { background: var(--cb-green); }
.px-compare-card--alert h4::before { background: var(--px-warn); }
.px-compare-card p { font-size: 13.5px !important; margin: 0; line-height: 1.55; }
.px-steps { counter-reset: px-step; margin: 14px 0 0; padding: 0; list-style: none; }
.px-steps li { position: relative; padding: 0 0 18px 34px; counter-increment: px-step; }
.px-steps li:last-child { padding-bottom: 0; }
.px-steps li::before { content: counter(px-step); position: absolute; left: 0; top: 1px; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; background: var(--cb-green); color: #fff; font-size: 12px; font-weight: 900; border-radius: 50%; z-index: 1; }
.px-steps li::after { content: ""; position: absolute; left: 11px; top: 26px; bottom: 0; width: 2px; background: #D1FAE5; }
.px-steps li:last-child::after { display: none; }
.px-steps li strong { display: block; color: var(--cb-text); font-weight: 800; font-size: 14px; margin-bottom: 1px; }
.px-steps li span { color: var(--cb-muted); font-size: 13.5px; line-height: 1.5; }
.px-checklist { display: grid; gap: 10px; padding: 0; margin: 14px 0 0; list-style: none; }
.px-checklist li { display: flex; align-items: flex-start; gap: 10px; color: var(--cb-text); font-weight: 600; font-size: 14px; line-height: 1.5; }
.px-checklist li::before { content: "\2713"; flex: 0 0 18px; color: var(--cb-green); font-weight: 900; font-size: 14px; margin-top: 2px; }
.px-warn-list { display: grid; gap: 8px; padding: 0; margin: 12px 0 0; list-style: none; }
.px-warn-list li { position: relative; padding-left: 20px; color: #78350F; font-weight: 600; font-size: 14px; line-height: 1.5; }
.px-warn-list li::before { content: "\26A0"; position: absolute; left: 0; top: 0; color: var(--px-warn); font-size: 14px; }
.px-alert { padding: 16px 18px 16px 44px; border-radius: 8px; font-weight: 700; line-height: 1.55; margin-top: 16px; position: relative; font-size: 14px; }
.px-alert::before { position: absolute; left: 16px; top: 16px; font-size: 14px; font-weight: 900; }
.px-alert--info { background: var(--px-accent-soft); border: 1px solid #BAE6FD; color: #0369A1; }
.px-alert--info::before { content: "\24D8"; }
.px-alert--warn { background: var(--px-warn-soft); border: 1px solid #FDE68A; color: #78350F; }
.px-alert--warn::before { content: "\26A0"; color: var(--px-warn); }
.px-alert--danger { background: var(--px-danger-soft); border: 1px solid #FECACA; color: #991B1B; }
.px-alert--danger::before { content: "\2717"; color: var(--px-danger); }
.px-warn-card { padding: 18px; background: var(--px-warn-soft); border: 1px solid #FDE68A; border-radius: 8px; }
.px-warn-card h4 { color: #78350F; font-size: 16px; margin-bottom: 8px; }
.px-warn-card p { color: #78350F !important; font-size: 14px !important; }
.px-warn-card ul { padding: 0; margin: 10px 0 0; list-style: none; }
.px-warn-card li { position: relative; padding-left: 18px; color: #78350F; font-weight: 600; font-size: 13.5px; line-height: 1.5; margin-bottom: 6px; }
.px-warn-card li::before { content: "\2757"; position: absolute; left: 0; top: 0; font-size: 12px; }
.px-evid-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 8px; margin-top: 14px; }
.px-evid-item { padding: 12px 14px; background: #fff; border: 1px solid var(--cb-border); border-radius: 6px; font-size: 13.5px; font-weight: 600; color: var(--cb-text); box-shadow: var(--px-shadow); }
.px-table-wrap { overflow-x: auto; margin: 18px 0 0; border: 1px solid var(--cb-border); border-radius: 8px; box-shadow: var(--px-shadow); }
.px-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 600px; }
.px-table th { padding: 11px 13px; text-align: left; background: var(--cb-blue); color: #fff; font-weight: 800; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.02em; }
.px-table td { padding: 11px 13px; text-align: left; border-bottom: 1px solid var(--cb-border); color: var(--cb-muted); vertical-align: top; font-size: 13.5px; }
.px-table tr:last-child td { border-bottom: none; }
.px-table tr:hover td { background: var(--px-bg-soft); }
.px-faq__list { display: grid; gap: 8px; max-width: 840px; margin: 18px auto 0; }
.px-faq__item { border: 1px solid var(--cb-border); border-radius: 8px; overflow: hidden; background: #fff; }
.px-faq__item[open] { box-shadow: var(--px-shadow); }
.px-faq__item summary { padding: 13px 16px; color: var(--cb-blue); font-size: 14px; font-weight: 800; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.px-faq__item summary::-webkit-details-marker { display: none; }
.px-faq__item summary::after { content: "+"; font-size: 15px; font-weight: 700; color: var(--cb-green); flex: 0 0 16px; text-align: right; }
.px-faq__item[open] summary::after { content: "\2212"; }
.px-faq__item p { padding: 0 16px 14px; margin: 0; font-size: 14px !important; }
.px-rg { display: grid; grid-template-columns: auto 1fr; gap: 16px; padding: 22px 24px; background: var(--px-green-soft); border-radius: 10px; align-items: center; }
.px-rg__age { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background: var(--cb-green); color: #fff; font-size: 16px; font-weight: 900; }
.px-rg p { margin: 0 !important; }
.px-final-cta { background: linear-gradient(145deg, var(--cb-blue) 0%, #041A3F 100%); border-radius: 14px; padding: 44px; color: #fff; text-align: center; position: relative; overflow: hidden; }
.px-final-cta h2 { color: #fff; font-size: 28px; }
.px-final-cta p { max-width: 600px; margin: 10px auto 22px !important; color: rgba(255,255,255,0.85) !important; font-size: 15px !important; }
.px-final-cta .px-actions { justify-content: center; }
.px-link { color: var(--cb-green) !important; font-weight: 700; text-decoration: none; }
.px-link:hover { color: var(--cb-green-dark) !important; text-decoration: underline; }
.px-eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; color: var(--cb-green); }
.px-eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--cb-green); }
.px-warning-banner { padding: 20px 22px; background: linear-gradient(135deg,#FEF3C7,#FFFBEB); border: 2px solid #F59E0B; border-radius: 10px; margin-top: 16px; }
.px-warning-banner h3 { color: #92400E !important; font-size: 18px; margin-bottom: 6px; }
.px-warning-banner p { color: #78350F !important; font-size: 14px !important; }
.px-warning-banner ul { margin: 10px 0 0; padding: 0; list-style: none; }
.px-warning-banner li { position: relative; padding-left: 20px; color: #78350F; font-weight: 600; font-size: 13.5px; line-height: 1.6; margin-bottom: 6px; }
.px-warning-banner li::before { content: "\26A0"; position: absolute; left: 0; top: 0; color: #D97706; font-size: 13px; }
.px-danger-banner { padding: 20px 22px; background: linear-gradient(135deg,#FEE2E2,#FEF2F2); border: 2px solid var(--px-danger); border-radius: 10px; margin-top: 16px; }
.px-danger-banner h3 { color: #991B1B !important; font-size: 18px; margin-bottom: 6px; }
.px-danger-banner p { color: #7F1D1D !important; font-size: 14px !important; }
.px-answer { max-width: 860px; margin: 0 auto; }
.px-answer p { margin: 10px 0 0; font-size: 16px; }
.px-answer p:first-child { margin-top: 0; }
.px-answer-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.px-answer-card { padding: 16px; background: var(--px-bg-soft); border: 1px solid #BAE6FD; border-radius: 8px; }
.px-answer-card h4 { color: var(--cb-blue); font-size: 14px; margin-bottom: 4px; }
.px-answer-card p { margin: 0 !important; font-size: 13.5px !important; color: var(--cb-muted); }
.px-source-note { max-width: 800px; margin: 0 auto; padding: 14px 18px; background: var(--cb-soft-bg); border-radius: 8px; font-size: 13px; color: var(--cb-muted); line-height: 1.6; }
.px-source-note p { margin: 0 !important; font-size: 13px !important; }
.px-related-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 12px; margin-top: 16px; }
.px-link-card { display: block; padding: 18px; background: #fff; border: 1px solid var(--cb-border); border-radius: 8px; box-shadow: var(--px-shadow); color: var(--cb-text); text-decoration: none; transition: all 160ms ease; }
.px-link-card:hover { border-color: var(--cb-green); box-shadow: var(--px-shadow-hover); transform: translateY(-1px); }
.px-link-card strong { display: inline-flex; align-items: center; gap: 4px; margin-top: 6px; font-size: 13px; color: var(--cb-green); font-weight: 700; }
.px-link-card strong::after { content: "\2192"; }
.px-link-card small { display: block; margin-top: 4px; font-size: 13px; color: var(--cb-muted); font-weight: 400; }
.px-mt-0 { margin-top: 0 !important; }
.px-mt-8 { margin-top: 8px !important; }
.px-mt-12 { margin-top: 12px !important; }
.px-mt-16 { margin-top: 16px !important; }
.px-mt-20 { margin-top: 20px !important; }
.px-mt-24 { margin-top: 24px !important; }
.px-mb-0 { margin-bottom: 0 !important; }
.px-m-0 { margin: 0 !important; }
@media (max-width:1100px){
.px-step-grid,.px-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
.px-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
.px-hero__inner{grid-template-columns:1fr;gap:24px}
.px-rg{grid-template-columns:1fr;text-align:center;justify-items:center}
}
@media (max-width:640px){
.px-section{padding:44px 0}
.px-guide h1{font-size:26px}
.px-guide h2,.px-final-cta h2{font-size:22px}
.px-guide h3{font-size:16px}
.px-step-grid,.px-grid--2,.px-grid--3,.px-grid--4,.px-compare-grid,.px-entry-grid,.px-answer-grid{grid-template-columns:1fr}
.px-hero__inner{padding-top:32px;padding-bottom:36px}
.px-hero-card{padding:16px}
.px-hero-card p{margin:12px -16px -16px;padding:10px 16px}
.px-card--padded,.px-compare-card,.px-step-card,.px-warn-card{padding:16px}
.px-btn{width:100%}
.px-actions{flex-direction:column}
.px-final-cta{padding:28px 18px}
.px-table{min-width:0}
.px-table th,.px-table td{padding:9px 11px;font-size:12.5px}
.px-alert{padding:14px 14px 14px 38px;font-size:13px}
.px-alert::before{left:14px;top:14px;font-size:13px}
.px-faq__item summary{font-size:13px}
.px-evid-grid{grid-template-columns:1fr}
}