.pxt-article{max-width:960px;margin:auto;padding:32px 24px 72px;color:#171c24}.pxt-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:#68707d;margin-bottom:36px}.pxt-heading{max-width:850px;margin-bottom:32px}.pxt-heading h1{font-size:clamp(30px,5vw,50px);line-height:1.15;letter-spacing:-.025em;margin:12px 0 20px}.pxt-byline{font-size:14px;color:#68707d}.pxt-body{max-width:800px;font-size:17px;line-height:1.8}.pxt-body h2{font-size:clamp(23px,3vw,30px);line-height:1.3;margin:36px 0 16px}.pxt-body p{margin:0 0 18px}.pxt-body li{margin:10px 0}.pxt-body a,.pxt-breadcrumb a,.pxt-byline a{color:#b9371b;text-underline-offset:3px}.pxt-lead{font-size:20px;color:#4b5360}.pxt-toc{background:#f7f8fa;padding:24px;border:1px solid #e5e7eb;border-radius:16px;margin:30px 0}.pxt-toc ul{margin-bottom:0;padding-left:22px}.pxt-cta{padding:28px;background:#fdf2ec;border:1px solid #f0d5c8;border-radius:18px;margin:30px 0}.pxt-cta h2{margin:0 0 12px}.pxt-cta .primary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;background:#d74928;color:#fff;border-radius:10px;text-decoration:none;font-weight:700;line-height:1.4}.pxt-tool-link{display:block;margin-top:14px;font-size:15px}.pxt-body details{border-bottom:1px solid #e1e4e9;padding:16px 0}.pxt-body summary{font-weight:650;cursor:pointer;min-height:32px}.pxt-body details p{margin:16px 0 4px}.pxt-table{overflow-x:auto;border:1px solid #e1e4e9;border-radius:10px;margin:22px 0}.pxt-table table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px}.pxt-table th,.pxt-table td{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid #e1e4e9}.pxt-table th{background:#f7f8fa}.pxt-body section{scroll-margin-top:100px}.pxt-article a:focus-visible,.pxt-article summary:focus-visible{outline:3px solid #171c24;outline-offset:4px}.pxt-body code{overflow-wrap:anywhere}@media(max-width:600px){.pxt-article{padding:24px 18px 48px}.pxt-breadcrumb{margin-bottom:24px}.pxt-body{font-size:16px}.pxt-lead{font-size:18px}.pxt-cta,.pxt-toc{padding:20px}.pxt-cta .primary{display:flex;width:100%;box-sizing:border-box}.pxt-body ul,.pxt-body ol{padding-left:23px}}

/* Invoice cluster only: preserve existing article rhythm. */
.pxt-body{overflow-wrap:anywhere}.pxt-body h3{font-size:21px;line-height:1.4;margin:26px 0 12px}.pxt-body blockquote{margin:20px 0;padding:16px 22px;border-left:3px solid #d74928;background:#f7f8fa;white-space:normal}.pxt-body pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;background:#f7f8fa;border:1px solid #e5e7eb;padding:20px;border-radius:10px}.invoice-hub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.invoice-hub-grid a{display:block;padding:20px;border:1px solid #e5e7eb;border-radius:14px;text-decoration:none;background:#fff}.invoice-hub-grid h3{margin:0 0 10px;font-size:20px}.invoice-hub-grid p{font-size:15px;color:#4b5360}.invoice-hub-jump{display:flex;flex-wrap:wrap;gap:10px}.invoice-hub-jump a{padding:8px 12px;border:1px solid #e5e7eb;border-radius:8px}.pxt-body .pxt-sources{font-size:15px}.pxt-body table{border-collapse:collapse;width:100%}.pxt-body th,.pxt-body td{padding:12px;vertical-align:top;text-align:left;border-bottom:1px solid #e1e4e9}.pxt-body th{background:#f7f8fa}@media(max-width:600px){.invoice-hub-grid{grid-template-columns:1fr}.pxt-body h3{font-size:19px}.pxt-body blockquote{padding:14px}.pxt-body pre{padding:14px}}