.sstb-article {
	--sstb-navy: #08254f;
	--sstb-orange: #f56600;
	--sstb-teal: #087b7e;
	--sstb-ink: #15233a;
	--sstb-muted: #5e6979;
	--sstb-line: #dfe6ee;
	--sstb-soft: #f5f8fb;
	max-width: 860px;
	margin: 0 auto;
	color: var(--sstb-ink);
	font-size: 17px;
	line-height: 1.75;
}

.sstb-article h2,
.sstb-article h3 {
	color: var(--sstb-navy);
	line-height: 1.3;
	scroll-margin-top: 90px;
}

.sstb-article h2 {
	margin: 2.35em 0 .7em;
	padding-bottom: .35em;
	border-bottom: 3px solid #e8edf3;
	font-size: clamp(1.55rem, 4vw, 2rem);
}

.sstb-article h2::after {
	display: block;
	width: 72px;
	height: 3px;
	margin-bottom: -6px;
	content: "";
	background: var(--sstb-orange);
}

.sstb-article h3 {
	margin-top: 1.8em;
	font-size: 1.25rem;
}

.sstb-article a {
	color: #075f92;
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
}

.sstb-updated {
	margin-bottom: 1rem;
	color: var(--sstb-muted);
	font-size: .92rem;
}

.sstb-disclaimer,
.sstb-summary,
.sstb-warning,
.sstb-formula,
.sstb-method {
	margin: 1.4rem 0;
	padding: 1.05rem 1.2rem;
	border-radius: 12px;
}

.sstb-disclaimer {
	border-left: 5px solid var(--sstb-teal);
	background: #edf8f8;
}

.sstb-summary {
	border-left: 5px solid var(--sstb-orange);
	background: #fff5ec;
}

.sstb-warning {
	border: 1px solid #f1c48e;
	background: #fff8e9;
}

.sstb-formula {
	border: 1px solid #b9d7d8;
	background: #effafa;
	font-size: 1.02rem;
	text-align: center;
}

.sstb-method {
	margin-top: 2.5rem;
	border-top: 1px solid var(--sstb-line);
	border-radius: 0;
	background: var(--sstb-soft);
	color: var(--sstb-muted);
	font-size: .92rem;
}

.sstb-table-wrap {
	max-width: 100%;
	margin: 1.6rem 0;
	overflow-x: auto;
	border: 1px solid var(--sstb-line);
	border-radius: 12px;
	box-shadow: 0 6px 24px rgba(8, 37, 79, .07);
}

.sstb-verdict-table {
	width: 100%;
	min-width: 680px;
	margin: 0;
	border: 0;
	border-collapse: collapse;
}

.sstb-verdict-table th,
.sstb-verdict-table td {
	padding: .85rem 1rem;
	border: 0;
	border-bottom: 1px solid var(--sstb-line);
	text-align: left;
	vertical-align: top;
}

.sstb-verdict-table th {
	background: var(--sstb-navy);
	color: #fff;
	font-size: .95rem;
}

.sstb-verdict-table tbody tr:nth-child(even) {
	background: var(--sstb-soft);
}

.sstb-verdict-table tbody tr:last-child td {
	border-bottom: 0;
}

.sstb-article-image {
	margin: 1.8rem 0;
}

.sstb-article-image img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 14px;
	box-shadow: 0 10px 34px rgba(8, 37, 79, .13);
}

.sstb-article-image figcaption {
	margin-top: .65rem;
	color: var(--sstb-muted);
	font-size: .88rem;
	font-style: italic;
	text-align: center;
}

.sstb-columns {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.1rem;
	margin: 1.4rem 0;
}

.sstb-columns section {
	padding: 1rem 1.1rem;
	border: 1px solid var(--sstb-line);
	border-radius: 12px;
	background: var(--sstb-soft);
}

.sstb-columns h3 {
	margin: 0 0 .65rem;
}

.sstb-source {
	padding-left: 1rem;
	border-left: 3px solid #cad5e2;
	color: var(--sstb-muted);
	font-size: .93rem;
}

.sstb-checklist {
	padding-left: 0;
	list-style: none;
}

.sstb-checklist li {
	position: relative;
	margin: .55rem 0;
	padding: .65rem .8rem .65rem 2.65rem;
	border: 1px solid #dce9e9;
	border-radius: 9px;
	background: #f6fbfb;
}

.sstb-checklist li::before {
	position: absolute;
	top: .62rem;
	left: .85rem;
	width: 1.25rem;
	height: 1.25rem;
	border-radius: 50%;
	content: "✓";
	background: var(--sstb-teal);
	color: #fff;
	font-size: .85rem;
	font-weight: 700;
	line-height: 1.25rem;
	text-align: center;
}

.sstb-faq details {
	margin: .7rem 0;
	border: 1px solid var(--sstb-line);
	border-radius: 10px;
	background: #fff;
}

.sstb-faq summary {
	padding: .9rem 1rem;
	cursor: pointer;
	color: var(--sstb-navy);
	font-weight: 700;
}

.sstb-faq details p {
	margin: 0;
	padding: 0 1rem 1rem;
}

.sstb-article code {
	padding: .12rem .35rem;
	border-radius: 4px;
	background: #eef2f6;
	font-size: .9em;
}

@media (max-width: 700px) {
	.sstb-article {
		font-size: 16px;
	}

	.sstb-columns {
		grid-template-columns: 1fr;
	}

	.sstb-disclaimer,
	.sstb-summary,
	.sstb-warning,
	.sstb-formula,
	.sstb-method {
		padding: .9rem 1rem;
	}

	.sstb-article-image {
		margin-right: -.25rem;
		margin-left: -.25rem;
	}
}