/**
 * QDZRT Theme - Resources Center & Interactive Tools Stylesheet
 * Covers Downloads, Calculator, Grade Cross-Reference, and Machining Guides.
 */

.qdzrt-resources {
	width: 100%;
	background: var(--qdzrt-paper, #ffffff);
	color: var(--qdzrt-ink, #11263c);
	overflow-x: clip;
}

/* Hero Section */
.qdzrt-resources__hero {
	width: 100%;
	background: linear-gradient(135deg, #11263c 0%, #0d1e30 100%);
	color: #ffffff;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	padding: 46px 0 42px;
	position: relative;
}

.qdzrt-resources__hero-inner {
	width: min(calc(100% - (var(--qdzrt-gutter, 20px) * 2)), var(--qdzrt-layout, 1300px));
	margin-inline: auto;
}

/* Hero Breadcrumb */
.qdzrt-resources__hero .qdzrt-page-breadcrumb {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 18px;
	font-size: 0.875rem;
	line-height: 1.4;
}

.qdzrt-resources__hero .qdzrt-product-breadcrumb__item {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: rgba(255, 255, 255, 0.7);
}

.qdzrt-resources__hero .qdzrt-product-breadcrumb__item:not(:last-child)::after {
	content: "/";
	color: rgba(255, 255, 255, 0.35);
	font-size: 0.8125rem;
}

.qdzrt-resources__hero .qdzrt-product-breadcrumb a {
	color: rgba(255, 255, 255, 0.75);
	text-decoration: none;
	transition: color 0.18s ease;
}

.qdzrt-resources__hero .qdzrt-product-breadcrumb a:hover {
	color: #ffffff;
}

.qdzrt-resources__badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 14px;
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.25);
	border-radius: 4px; /* <= 8px site standard */
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: #ffffff;
	margin-bottom: 12px;
}

.qdzrt-resources__badge svg {
	color: #ffffff;
	stroke: #ffffff;
}

.qdzrt-resources__hero-title {
	margin: 0 0 10px;
	font-size: clamp(24px, 2.6vw, 32px);
	font-weight: 700;
	line-height: 1.25;
	color: #ffffff;
	letter-spacing: -0.005em;
}

.qdzrt-resources__hero-desc {
	max-width: 860px;
	margin: 0;
	color: #cbd5e1;
	font-size: 0.9375rem;
	line-height: 1.6;
}

.qdzrt-lang-notice {
	width: min(calc(100% - (var(--qdzrt-gutter, 20px) * 2)), var(--qdzrt-layout, 1300px));
	margin: 20px auto 0;
	padding: 12px 18px;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 8px;
	background: #fef8ec;
	color: #6b5220;
	font-size: 0.9rem;
	line-height: 1.5;
}

/* Shell Layout */
.qdzrt-resources__shell {
	width: min(calc(100% - (var(--qdzrt-gutter, 20px) * 2)), var(--qdzrt-layout, 1300px));
	margin-inline: auto;
	padding: 48px 0 72px;
	display: flex;
	flex-direction: column;
	gap: 52px;
}

.qdzrt-resources__section-header {
	margin-bottom: 24px;
}

.qdzrt-resources__section-tag {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: #007a7a;
	background: #e6f5f5;
	padding: 4px 10px;
	border-radius: 4px; /* <= 8px */
	margin-bottom: 8px;
}

.qdzrt-resources__section-title {
	font-size: clamp(1.35rem, 2.2vw, 1.875rem);
	font-weight: 800;
	color: var(--qdzrt-ink, #11263c);
	margin: 0 0 8px;
}

.qdzrt-resources__section-desc {
	font-size: 1rem;
	line-height: 1.6;
	color: var(--qdzrt-copy, #3f546a);
	max-width: 860px;
	margin: 0;
}

/* ========================================================
   CALCULATOR INTERACTIVE WIDGET
   ======================================================== */
.qdzrt-calc-grid {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 32px;
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 6px; /* <= 8px */
	padding: 32px;
	box-shadow: 0 4px 16px rgba(17, 38, 60, 0.04);
}

.qdzrt-calc-panel {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.qdzrt-calc-form-group {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.qdzrt-calc-label {
	font-size: 0.875rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
}

.qdzrt-calc-input,
.qdzrt-calc-select {
	width: 100%;
	padding: 10px 14px;
	font-size: 0.9375rem;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 4px; /* <= 8px */
	background: #f8fafc;
	color: var(--qdzrt-ink, #11263c);
	transition: border-color 0.2s, box-shadow 0.2s;
}

.qdzrt-calc-input:focus,
.qdzrt-calc-select:focus {
	border-color: #009999;
	outline: none;
	background: #ffffff;
	box-shadow: 0 0 0 3px rgba(0, 153, 153, 0.15);
}

.qdzrt-calc-segmented {
	display: flex;
	background: #f1f5f9;
	padding: 4px;
	border: 1px solid #d8e2ec;
	border-radius: 4px; /* Strictly <= 8px */
	gap: 4px;
}

.qdzrt-calc-tab-btn {
	flex: 1;
	padding: 9px 12px;
	font-size: 0.875rem;
	font-weight: 600;
	border: 1px solid transparent;
	background: transparent;
	color: #475569;
	border-radius: 4px; /* Strictly <= 8px */
	cursor: pointer;
	transition: all 0.18s ease;
	text-align: center;
}

.qdzrt-calc-tab-btn:hover:not(.is-active) {
	background: #ffffff;
	color: #0f172a;
}

.qdzrt-calc-tab-btn.is-active {
	background: #009999;
	color: #ffffff;
	border-color: #008181;
	font-weight: 700;
	box-shadow: 0 2px 8px rgba(0, 153, 153, 0.3);
}

.qdzrt-calc-result-box {
	background: linear-gradient(135deg, #091726 0%, #112842 60%, #18375c 100%);
	color: #ffffff;
	border-radius: 6px; /* <= 8px */
	padding: 28px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.qdzrt-calc-result-title {
	font-size: 1.125rem;
	font-weight: 700;
	color: #66cccc;
	margin: 0 0 20px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.15);
	padding-bottom: 12px;
}

.qdzrt-calc-result-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 10px 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.qdzrt-calc-result-label {
	font-size: 0.9375rem;
	color: #c7d9ed;
}

.qdzrt-calc-result-value {
	font-size: 1.25rem;
	font-weight: 800;
	color: #ffffff;
}

.qdzrt-calc-result-value--highlight {
	font-size: 1.6rem;
	color: #33cccc;
}

.qdzrt-calc-cta-btn {
	margin-top: 24px;
	padding: 12px 20px;
	background: #009999;
	color: #ffffff;
	font-size: 0.9375rem;
	font-weight: 700;
	border: none;
	border-radius: 4px; /* <= 8px */
	cursor: pointer;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	transition: background 0.2s, transform 0.18s;
}

.qdzrt-calc-cta-btn:hover {
	background: #008181;
	color: #ffffff;
	transform: translateY(-1px);
}

/* ========================================================
   DOWNLOAD CARDS & CATEGORIES
   ======================================================== */
.qdzrt-downloads-category-group {
	display: flex;
	flex-direction: column;
	gap: 20px;
	margin-bottom: 40px;
}

.qdzrt-downloads-category-title {
	font-size: 1.25rem;
	font-weight: 800;
	color: var(--qdzrt-ink, #11263c);
	margin: 0;
}

.qdzrt-downloads-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 20px;
}

.qdzrt-download-item {
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 6px; /* <= 8px */
	padding: 22px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	box-shadow: 0 2px 6px rgba(17, 38, 60, 0.03);
	transition: transform 0.2s, box-shadow 0.2s;
}

.qdzrt-download-item:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 16px rgba(17, 38, 60, 0.08);
}

.qdzrt-download-item__header {
	display: flex;
	gap: 14px;
	margin-bottom: 12px;
}

.qdzrt-download-badge {
	width: 44px;
	height: 44px;
	border-radius: 4px; /* <= 8px */
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 800;
	font-size: 0.8125rem;
	flex-shrink: 0;
}

.qdzrt-download-badge--pdf { background: #fee2e2; color: #b91c1c; border: 1px solid #fca5a5; }
.qdzrt-download-badge--doc { background: #e6f5f5; color: #008181; border: 1px solid #b2dfdf; }
.qdzrt-download-badge--cert { background: #fef3c7; color: #b45309; border: 1px solid #fde68a; }

.qdzrt-download-item__title {
	font-size: 1.05rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
	margin: 0 0 4px;
}

.qdzrt-download-item__meta {
	font-size: 0.75rem;
	color: #64748b;
}

.qdzrt-download-item__desc {
	font-size: 0.875rem;
	color: var(--qdzrt-copy, #3f546a);
	line-height: 1.55;
	margin: 0 0 16px;
	flex: 1;
}

.qdzrt-download-item__action {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 9px 14px;
	font-size: 0.875rem;
	font-weight: 600;
	color: #007a7a;
	background: #e6f5f5;
	border: 1px solid #80cccc;
	border-radius: 4px; /* <= 8px */
	text-decoration: none;
	transition: all 0.2s;
}

.qdzrt-download-item__action:hover {
	background: #009999;
	color: #ffffff;
}

/* ========================================================
   GRADE CROSS REFERENCE & DENSITY TABLE
   ======================================================== */
.qdzrt-grade-table-wrap {
	overflow-x: auto;
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 4px; /* Strictly <= 8px */
	box-shadow: 0 2px 8px rgba(17, 38, 60, 0.03);
}

.qdzrt-grade-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.8125rem;
	font-family: inherit;
	text-align: left;
}

.qdzrt-grade-table th {
	background: #f8fafc;
	color: var(--qdzrt-ink, #11263c);
	font-weight: 700;
	padding: 10px 12px;
	border-bottom: 2px solid var(--qdzrt-line, #d8e2ec);
	white-space: nowrap;
	font-size: 0.75rem;
	letter-spacing: 0.02em;
}

.qdzrt-grade-table td {
	padding: 10px 12px;
	border-bottom: 1px solid var(--qdzrt-line, #d8e2ec);
	color: var(--qdzrt-copy, #3f546a);
	vertical-align: middle;
	line-height: 1.45;
	font-size: 0.8125rem;
	font-family: inherit;
	font-variant-numeric: tabular-nums;
}

.qdzrt-grade-table tr:nth-child(even) td {
	background: #fafbfc;
}

.qdzrt-grade-table tr:hover td {
	background: #f1f5f9 !important;
}

.qdzrt-density-badge {
	display: inline-block;
	font-size: 0.6875rem;
	font-weight: 600;
	color: #475569;
	background: #f1f5f9;
	border: 1px solid #e2e8f0;
	border-radius: 4px; /* <= 8px */
	padding: 1px 5px;
	margin-left: 6px;
	vertical-align: middle;
	line-height: 1.3;
}

.qdzrt-num-highlight {
	font-weight: 700;
	color: #008181;
	font-size: 0.875rem;
	font-variant-numeric: tabular-nums;
}

.qdzrt-unit-text {
	font-size: 0.75rem;
	color: #64748b;
	font-weight: 500;
}

.qdzrt-equiv-text {
	font-weight: 400;
	color: #007a7a;
	font-size: 0.75rem;
	line-height: 1.4;
	display: block;
}

.qdzrt-ash-pill {
	font-weight: 500;
	color: #15803d;
	font-size: 0.75rem;
}

.qdzrt-std-code {
	font-weight: 400;
	color: #334155;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
}

.qdzrt-tech-code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
	font-size: 0.775rem; /* Compact & refined, ~12.4px */
	color: #0f766e;
	background: #f0fdfa;
	border: 1px solid #ccfbf1;
	border-radius: 4px; /* Strictly <= 8px */
	padding: 2px 6px;
	line-height: 1.45;
	display: inline-block;
	font-weight: 500;
	letter-spacing: -0.01em;
	max-width: 100%;
	word-break: break-word;
}

/* ========================================================
   APPLICATION & MACHINING TECHNICAL CARDS
   ======================================================== */
.qdzrt-guide-cards-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 22px;
}

/* Industry Application Selection Cards */
.qdzrt-app-card {
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 8px;
	padding: 22px 24px;
	display: flex;
	flex-direction: column;
	gap: 14px;
	box-shadow: 0 2px 8px rgba(17, 38, 60, 0.03);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.qdzrt-app-card:hover {
	transform: translateY(-2px);
	border-color: #80cccc;
	box-shadow: 0 8px 20px rgba(0, 153, 153, 0.08);
}

.qdzrt-app-card__header {
	display: flex;
	align-items: center;
	gap: 10px;
}

.qdzrt-app-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: #009999;
	background: transparent;
	border: none;
	padding: 0;
	flex-shrink: 0;
}

.qdzrt-app-card__icon svg {
	width: 20px;
	height: 20px;
	stroke: #009999;
}

.qdzrt-app-card__title {
	font-size: 1.0625rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
	margin: 0;
	line-height: 1.35;
}

.qdzrt-app-card__grade-box {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 6px;
	padding: 12px 14px;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.qdzrt-app-card__grade-label {
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: #64748b;
	display: block;
}

.qdzrt-app-card__grade-value {
	font-size: 0.90625rem;
	font-weight: 600;
	color: #007a7a;
	line-height: 1.45;
}

.qdzrt-app-card__reqs {
	margin-top: auto;
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: 0.84375rem;
}

.qdzrt-app-card__reqs-label {
	font-size: 0.78125rem;
	font-weight: 700;
	color: #334155;
}

.qdzrt-app-card__reqs-text {
	color: var(--qdzrt-copy, #3f546a);
	line-height: 1.55;
	margin: 0;
}

/* Machining Guide Cards */
.qdzrt-guide-card {
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 8px;
	padding: 22px 24px;
	display: flex;
	flex-direction: column;
	gap: 14px;
	box-shadow: 0 2px 8px rgba(17, 38, 60, 0.03);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.qdzrt-guide-card:hover {
	transform: translateY(-2px);
	border-color: #80cccc;
	box-shadow: 0 8px 20px rgba(0, 153, 153, 0.08);
}

.qdzrt-guide-card__header {
	display: flex;
	align-items: center;
	gap: 10px;
}

.qdzrt-guide-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: #009999;
	background: transparent;
	border: none;
	padding: 0;
	flex-shrink: 0;
}

.qdzrt-guide-card__icon svg {
	width: 20px;
	height: 20px;
	stroke: #009999;
}

.qdzrt-guide-card__title {
	font-size: 1.0625rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
	margin: 0;
	line-height: 1.35;
}

.qdzrt-guide-card__body {
	font-size: 0.90625rem;
	line-height: 1.6;
	color: var(--qdzrt-copy, #3f546a);
	margin: 0;
	flex: 1;
}

.qdzrt-guide-card__tips {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	padding: 10px 14px;
	border-radius: 6px;
	font-size: 0.8125rem;
	line-height: 1.5;
	color: #64748b;
}

/* ========================================================
   FORMULA CARDS & MATHEMATICAL PRESENTATION
   ======================================================== */
.qdzrt-formula-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 24px;
}

.qdzrt-formula-card {
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 8px;
	padding: 22px 24px;
	box-shadow: 0 2px 8px rgba(17, 38, 60, 0.03);
	display: flex;
	flex-direction: column;
	gap: 16px;
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.qdzrt-formula-card:hover {
	transform: translateY(-2px);
	border-color: #80cccc;
	box-shadow: 0 8px 20px rgba(0, 153, 153, 0.08);
}

.qdzrt-formula-card__top {
	display: flex;
	align-items: center;
	gap: 10px;
}

.qdzrt-formula-card__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: #009999;
	background: transparent;
	border: none;
	padding: 0;
	flex-shrink: 0;
}

.qdzrt-formula-card__icon svg {
	width: 20px;
	height: 20px;
	stroke: #009999;
}

.qdzrt-formula-card__title {
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
	margin: 0;
	line-height: 1.35;
}

/* Blueprint Math Panel */
.qdzrt-formula-card__blueprint {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 6px;
	padding: 14px 16px;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.qdzrt-formula-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.qdzrt-formula-row:not(:last-child) {
	padding-bottom: 8px;
	border-bottom: 1px dashed #e2e8f0;
}

.qdzrt-formula-label {
	font-size: 0.8125rem;
	font-weight: 700;
	color: #475569;
	white-space: nowrap;
}

.qdzrt-formula-expr {
	font-family: 'Cambria Math', 'Georgia', 'Times New Roman', serif;
	font-size: 0.96875rem;
	color: #0f172a;
	text-align: right;
	display: inline-flex;
	align-items: center;
}

.qdzrt-formula-expr em {
	font-style: italic;
	font-weight: 600;
}

.qdzrt-rho-sym {
	color: #008181;
}

.qdzrt-math-fraction {
	display: inline-flex;
	flex-direction: column;
	vertical-align: middle;
	text-align: center;
	padding: 0 4px;
	font-size: 0.875em;
}

.qdzrt-math-fraction__num {
	border-bottom: 1.5px solid #334155;
	padding-bottom: 2px;
	display: block;
}

.qdzrt-math-fraction__den {
	padding-top: 2px;
	display: block;
	color: #475569;
}

.qdzrt-formula-card__scope {
	margin-top: auto;
	font-size: 0.8125rem;
	color: #64748b;
	line-height: 1.5;
	padding-top: 4px;
}

.qdzrt-formula-card__scope strong {
	color: #334155;
	font-weight: 600;
}

/* ========================================================
   SPLIT 2-COLUMN FULL-WIDTH CTA SECTION
   ======================================================== */
.qdzrt-split-cta {
	position: relative;
	left: 50%;
	width: 100vw;
	margin: 56px 0 -72px -50vw;
	background: radial-gradient(circle at 15% 20%, rgba(30, 75, 122, 0.45), transparent 45%), linear-gradient(135deg, #091726 0%, #112842 55%, #18375c 100%);
	color: #ffffff;
	padding: clamp(48px, 6vw, 76px) 0;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
	overflow: hidden;
}

.qdzrt-split-cta__inner {
	width: min(calc(100% - (var(--qdzrt-gutter, 20px) * 2)), var(--qdzrt-layout, 1300px));
	margin-inline: auto;
	display: grid;
	grid-template-columns: 1fr 1.15fr;
	gap: clamp(32px, 5vw, 64px);
	align-items: start;
}

.qdzrt-split-cta__info {
	display: flex;
	flex-direction: column;
	gap: 20px;
	color: #ffffff;
}

.qdzrt-split-cta__tag {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 14px;
	background: rgba(0, 153, 153, 0.15);
	border: 1px solid rgba(0, 153, 153, 0.35);
	border-radius: 4px; /* <= 8px */
	font-size: 0.8125rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	color: #66cccc;
	width: fit-content;
}

.qdzrt-split-cta__title {
	font-size: clamp(1.75rem, 2.8vw, 2.5rem);
	font-weight: 800;
	line-height: 1.2;
	color: #ffffff;
	margin: 0;
	letter-spacing: -0.02em;
}

.qdzrt-split-cta__desc {
	font-size: clamp(0.95rem, 1.2vw, 1.0625rem);
	line-height: 1.65;
	color: #c7d9ed;
	margin: 0;
}

.qdzrt-split-cta__features {
	list-style: none;
	padding: 0;
	margin: 8px 0 0;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.qdzrt-split-cta__feature-item {
	display: flex;
	gap: 14px;
	align-items: flex-start;
}

.qdzrt-split-cta__check-icon {
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: rgba(16, 185, 129, 0.2);
	border: 1px solid rgba(16, 185, 129, 0.4);
	color: #34d399;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.875rem;
	font-weight: 800;
	flex-shrink: 0;
	margin-top: 2px;
}

.qdzrt-split-cta__feature-title {
	font-size: 0.9375rem;
	font-weight: 700;
	color: #ffffff;
	margin-bottom: 2px;
}

.qdzrt-split-cta__feature-desc {
	font-size: 0.875rem;
	color: #9bb7d4;
	line-height: 1.5;
}

.qdzrt-split-cta__contacts {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 10px;
	padding-top: 20px;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.qdzrt-split-cta__contact-pill {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: rgba(255, 255, 255, 0.06);
	border: 1px solid rgba(255, 255, 255, 0.14);
	border-radius: 6px;
	padding: 8px 14px;
	font-size: 0.8125rem;
	color: #c7d9ed;
}

.qdzrt-split-cta__contact-pill strong {
	color: #ffffff;
}

/* Right Form Wrapper Overrides - Contact-Style Spacious Form (< 10px Radius) */
.qdzrt-split-cta__form-box {
	background: #ffffff;
	border-radius: 6px; /* Below 10 */
	padding: clamp(24px, 3.5vw, 36px);
	box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
	color: #11263c;
}

.qdzrt-split-cta__form-box .qdzrt-zixun {
	margin: 0;
	padding: 0;
	background: transparent;
	border: none;
	box-shadow: none;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__panel {
	padding: 0;
	background: transparent;
	border: none;
	box-shadow: none;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__head {
	margin-bottom: 20px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__title {
	font-size: 1.35rem;
	font-weight: 800;
	color: #11263c;
}

/* Contact-Style Spacious Form Grid & Inputs */
.qdzrt-split-cta__form-box .qdzrt-zixun__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 14px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field label {
	font-size: 13px;
	font-weight: 700;
	color: #1e293b;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__label-icon {
	color: #0284c7;
}

/* Phone & Company full-width row */
.qdzrt-split-cta__form-box .qdzrt-zixun__field:has(input[name="company"]),
.qdzrt-split-cta__form-box .qdzrt-zixun__grid > .qdzrt-zixun__field:nth-child(4) {
	grid-column: 1 / -1;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field:has(.qdzrt-zixun__phone-row),
.qdzrt-split-cta__form-box .qdzrt-zixun__grid > .qdzrt-zixun__field:nth-child(3) {
	grid-column: 1 / -1;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field--full {
	grid-column: 1 / -1;
	margin-top: 2px;
}

/* Spacious Inputs & Select - Height 46px, Radius 4px (< 8px) */
.qdzrt-split-cta__form-box .qdzrt-zixun__field input,
.qdzrt-split-cta__form-box .qdzrt-zixun__field textarea,
.qdzrt-split-cta__form-box .qdzrt-zixun__field select,
.qdzrt-split-cta__form-box .qdzrt-zixun__field .qdzrt-phone-group {
	width: 100% !important;
	padding: 10px 14px !important;
	background: #ffffff !important;
	color: #1e293b !important;
	font-size: 15px !important;
	line-height: 1.45 !important;
	box-shadow: none !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field input:not([data-zixun-phone-input]),
.qdzrt-split-cta__form-box .qdzrt-zixun__field textarea,
.qdzrt-split-cta__form-box .qdzrt-zixun__field select,
.qdzrt-split-cta__form-box .qdzrt-zixun__field .qdzrt-phone-group {
	border: 1px solid #cbd5e1 !important;
	border-radius: 4px !important; /* Strictly <= 8px */
	box-sizing: border-box !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field input:not([data-zixun-phone-input]),
.qdzrt-split-cta__form-box .qdzrt-zixun__field select,
.qdzrt-split-cta__form-box .qdzrt-zixun__field .qdzrt-phone-group {
	height: 46px !important;
	min-height: 46px !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field select {
	padding: 10px 38px 10px 14px !important;
	background-color: #ffffff !important;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23009999' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E") !important;
	background-repeat: no-repeat !important;
	background-position: right 14px center !important;
	background-size: 16px 16px !important;
	appearance: none !important;
	-webkit-appearance: none !important;
	-moz-appearance: none !important;
	cursor: pointer !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field select option {
	background: #ffffff;
	color: #1e293b;
	padding: 8px 12px;
	font-size: 14px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field textarea {
	height: auto !important;
	min-height: 120px !important;
	resize: vertical !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field input::placeholder,
.qdzrt-split-cta__form-box .qdzrt-zixun__field textarea::placeholder {
	color: #94a3b8 !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__field input:focus,
.qdzrt-split-cta__form-box .qdzrt-zixun__field textarea:focus,
.qdzrt-split-cta__form-box .qdzrt-zixun__field select:focus,
.qdzrt-split-cta__form-box .qdzrt-zixun__field .qdzrt-phone-group:focus-within {
	border-color: #009999 !important;
	box-shadow: 0 0 0 3px rgba(0, 153, 153, 0.15) !important;
	outline: none !important;
}

/* Phone Group & Country Picker - Fully functional & isolated */
.qdzrt-split-cta__form-box .qdzrt-phone-group {
	display: flex !important;
	align-items: center !important;
	position: relative !important;
	height: 46px !important;
	min-height: 46px !important;
	padding: 0 !important;
	background: #ffffff !important;
	border: 1px solid #cbd5e1 !important;
	border-radius: 6px !important;
	box-sizing: border-box !important;
	overflow: visible !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-group:focus-within {
	border-color: #0284c7 !important;
	box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15) !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country {
	position: relative !important;
	flex: 0 0 auto !important;
	height: 100% !important;
	border-right: 1px solid #cbd5e1 !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country__toggle {
	display: flex !important;
	align-items: center !important;
	gap: 6px !important;
	height: 100% !important;
	padding: 0 10px !important;
	background: #f8fafc !important;
	border: 0 !important;
	border-radius: 6px 0 0 6px !important;
	font-size: 14px !important;
	color: #1e293b !important;
	cursor: pointer !important;
}

.qdzrt-split-cta__form-box input[data-zixun-phone-input] {
	flex: 1 1 auto !important;
	min-width: 0 !important;
	height: 100% !important;
	padding: 0 12px !important;
	border: 0 !important;
	background: transparent !important;
	border-radius: 0 6px 6px 0 !important;
	font-size: 15px !important;
	color: #1e293b !important;
	box-shadow: none !important;
	outline: none !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country__panel {
	position: absolute !important;
	z-index: 1000 !important;
	top: calc(100% + 4px) !important;
	left: 0 !important;
	width: 260px !important;
	max-width: 80vw !important;
	border: 1px solid #cbd5e1 !important;
	border-radius: 6px !important;
	background: #ffffff !important;
	box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18) !important;
	overflow: hidden !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country__panel[hidden] {
	display: none !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country__search {
	display: block !important;
	width: 100% !important;
	height: 32px !important;
	min-height: 32px !important;
	margin: 0 !important;
	padding: 0 10px !important;
	border: 0 !important;
	border-bottom: 1px solid #e2e8f0 !important;
	background: #ffffff !important;
	font-size: 13px !important;
	color: #1e293b !important;
	border-radius: 0 !important;
}

.qdzrt-split-cta__form-box .qdzrt-phone-country__search:focus {
	outline: none !important;
	background: #f8fafc !important;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__actions {
	margin-top: 16px;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 46px;
	padding: 0 26px;
	border: none;
	border-radius: 6px; /* Below 10 */
	background: #009999 !important;
	color: #ffffff !important;
	font-size: 15px;
	font-weight: 700;
	cursor: pointer;
	box-shadow: 0 4px 12px rgba(0, 153, 153, 0.3);
	transition: all 0.2s ease;
}

.qdzrt-split-cta__form-box .qdzrt-zixun__submit:hover {
	background: #008181 !important;
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(0, 153, 153, 0.4);
}

/* Resources Page FAQ Styles with Icons */
.qdzrt-resources__faq-list {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.qdzrt-resources__faq-item {
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 4px; /* Strictly <= 8px */
	padding: 20px 24px;
	background: #ffffff;
	box-shadow: 0 2px 6px rgba(17, 38, 60, 0.03);
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.qdzrt-resources__faq-item:hover {
	border-color: #80cccc;
	box-shadow: 0 4px 12px rgba(0, 153, 153, 0.08);
}

.qdzrt-resources__faq-header {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-bottom: 10px;
}

.qdzrt-resources__faq-icon {
	width: 20px;
	height: 20px;
	min-width: 20px;
	min-height: 20px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: transparent;
	color: #009999;
	margin-top: 2px;
}

.qdzrt-resources__faq-icon svg {
	width: 18px;
	height: 18px;
	stroke: #009999;
	stroke-width: 2.2px;
}

.qdzrt-resources__faq-question {
	font-size: 1.0625rem;
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
	margin: 0;
	line-height: 1.4;
	flex: 1;
}

.qdzrt-resources__faq-answer {
	font-size: 0.9375rem;
	line-height: 1.65;
	color: var(--qdzrt-copy, #3f546a);
	margin: 0;
	padding-left: 32px;
}

@media (max-width: 980px) {
	.qdzrt-split-cta__inner {
		grid-template-columns: 1fr;
		gap: 36px;
	}
	.qdzrt-split-cta {
		margin: 40px 0 -48px -50vw;
		padding: 44px 0;
	}
}

@media (max-width: 900px) {
	.qdzrt-calc-grid {
		grid-template-columns: 1fr;
		padding: 20px;
	}
	.qdzrt-resources__hero {
		padding: 36px 0 28px;
	}
	.qdzrt-resources__shell {
		padding: 28px 0 48px;
		gap: 36px;
	}
}

/* V4 Resource decision tools, evidence and conversion modules */
.qdzrt-resource-role-grid,
.qdzrt-resource-reference-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}

.qdzrt-resource-role-card,
.qdzrt-resource-tool-panel,
.qdzrt-resource-data-note,
.qdzrt-resource-evidence,
.qdzrt-resource-related {
	background: #ffffff;
	border: 1px solid var(--qdzrt-line, #d8e2ec);
	border-radius: 6px;
	padding: 22px;
}

.qdzrt-resource-role-card__label,
.qdzrt-resource-tool-result__label,
.qdzrt-resource-reviewed {
	display: inline-block;
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: #007a7a;
}

.qdzrt-resource-role-card h3,
.qdzrt-resource-tool-panel h3,
.qdzrt-resource-related h3,
.qdzrt-resource-evidence h3 {
	margin: 8px 0 10px;
	color: var(--qdzrt-ink, #11263c);
}

.qdzrt-resource-role-card p,
.qdzrt-resource-tool-panel p,
.qdzrt-resource-data-note,
.qdzrt-resource-related p,
.qdzrt-resource-evidence p {
	color: var(--qdzrt-copy, #3f546a);
	line-height: 1.65;
}

.qdzrt-resource-role-card__links,
.qdzrt-resource-inline-actions,
.qdzrt-calc-related-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 16px;
}

.qdzrt-resource-role-card__links a,
.qdzrt-resource-inline-actions a,
.qdzrt-calc-related-actions a {
	display: inline-flex;
	align-items: center;
	min-height: 38px;
	padding: 8px 12px;
	border: 1px solid #b9dada;
	border-radius: 4px;
	color: #006f6f;
	font-weight: 700;
	text-decoration: none;
	background: #f5fbfb;
}

.qdzrt-resource-tool-panel__controls {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
	margin-top: 18px;
}

.qdzrt-resource-tool-panel__controls label,
.qdzrt-resource-checklist label {
	font-weight: 700;
	color: var(--qdzrt-ink, #11263c);
}

.qdzrt-resource-tool-panel__controls select,
.qdzrt-resource-tool-panel__controls input {
	width: 100%;
	min-height: 42px;
	margin-top: 6px;
	border: 1px solid #cbd5e1;
	border-radius: 4px;
	padding: 8px 10px;
	background: #ffffff;
	color: #1e293b;
}

.qdzrt-resource-tool-result {
	margin-top: 16px;
	padding: 16px;
	border-left: 3px solid #009999;
	background: #f4fbfb;
}

.qdzrt-resource-checklist {
	display: grid;
	gap: 10px;
	margin-top: 18px;
}

.qdzrt-resource-checklist label {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 11px 12px;
	border: 1px solid #e2e8f0;
	border-radius: 4px;
	background: #ffffff;
}

.qdzrt-resource-checklist input {
	margin-top: 3px;
}

.qdzrt-resource-checklist__progress {
	font-weight: 800;
	color: #007a7a;
}

.qdzrt-resource-data-note {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 6px; /* Strictly <= 8px */
	padding: 13px 16px;
	font-size: 0.8125rem;
	line-height: 1.55;
	color: #475569;
	margin-top: 14px;
}

.qdzrt-resource-data-note__icon {
	width: 18px;
	height: 18px;
	min-width: 18px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: #007a7a;
	margin-top: 1px;
}

.qdzrt-resource-data-note__icon svg {
	width: 18px;
	height: 18px;
	stroke: #007a7a;
}

.qdzrt-resource-data-note__text {
	flex: 1;
}

.qdzrt-resource-data-note strong {
	color: #11263c;
	font-weight: 700;
}

.qdzrt-resource-reviewed {
	margin-top: 12px;
}

.qdzrt-calc-help,
.qdzrt-calc-result-note {
	font-size: 0.8125rem;
	line-height: 1.55;
	color: #64748b;
}

.qdzrt-calc-result-note {
	margin-top: 12px;
	padding: 10px 12px;
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 4px;
}

@media (max-width: 760px) {
	.qdzrt-resource-role-grid,
	.qdzrt-resource-reference-grid,
	.qdzrt-resource-tool-panel__controls {
		grid-template-columns: 1fr;
	}
}

/* Reusable resource-page helpers: template markup contains no fixed inline styles. */
.qdzrt-resources .qdzrt-is-hidden { display: none; }
.qdzrt-calc-dim-grid { display: grid; gap: 12px; }
.qdzrt-calc-dim-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.qdzrt-calc-dim-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.qdzrt-calc-validation {
  margin: 10px 0; padding: 8px; border: 1px solid #cbd5e1; border-radius: 8px;
  background: #fff7ed; color: #9a3412; font-size: 0.875rem;
}
.qdzrt-calc-cta-btn--flush { margin-top: 0; }
.qdzrt-table-nowrap { white-space: nowrap; }
.qdzrt-table-col--grade { min-width: 240px; }
.qdzrt-table-col--grain { min-width: 160px; }
.qdzrt-table-col--applications { min-width: 260px; }
.qdzrt-logistics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.qdzrt-logistics-card {
  background: #ffffff; border: 1px solid var(--qdzrt-line, #d8e2ec); border-radius: 4px; padding: 24px;
  box-shadow: 0 2px 6px rgba(17, 38, 60, 0.03);
}
.qdzrt-logistics-card__header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.qdzrt-logistics-card__icon { color: #009999; display: inline-flex; }
.qdzrt-logistics-card__title { font-size: 1.1rem; font-weight: 700; color: #11263c; margin: 0; }
.qdzrt-logistics-card__body { font-size: 0.9375rem; color: #3f546a; line-height: 1.6; margin: 0; }
.qdzrt-resource-data-note--spaced { margin-top: 16px; }
.qdzrt-resource-status--positive { color: #059669; font-weight: 600; }
@media (max-width: 640px) {
  .qdzrt-calc-dim-grid--2, .qdzrt-calc-dim-grid--3 { grid-template-columns: 1fr; }
}