body.yw-reference-books-query-page {
	overflow-x: hidden;
	background: #f5eee4;
}

body.yw-reference-books-query-page .entry-title,
body.yw-reference-books-query-page .page-title {
	display: none;
}

body.yw-reference-books-query-page .entry-content {
	max-width: none;
}

.yw-ref-books {
		--rose: #e91e63;
		--rose-deep: #d81b60;
		--rose-hover: #c2185b;
		--teal: #456f86;
		--teal-deep: #2f536d;
		--teal-soft: #edf4f6;
		--ink: #20262c;
		--text: #344752;
		--muted: #5f6870;
	--line: #eaded0;
	--paper: #fffaf3;
	--page: #f5eee4;
	--soft: #fbf3e9;
	--warm: #fff6f7;
	--sand: #f1e4d5;
	--apricot: #efbe8c;
	--blue-line: rgba(67, 95, 128, .16);
	--shadow: 0 22px 52px rgba(67, 95, 128, .12);
	--radius: 8px;
	color: var(--text);
	font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
	font-size: 16px;
	line-height: 1.75;
	letter-spacing: 0;
}

.yw-ref-books,
.yw-ref-books * {
	box-sizing: border-box;
}

.yw-ref-books button,
.yw-ref-books input,
.yw-ref-books select {
	font: inherit;
}

.yw-ref-books button {
	cursor: pointer;
}

.yw-ref-books a {
	color: inherit;
}

.yw-ref-books__shell {
	width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	background:
		radial-gradient(circle at 84% 0%, rgba(232, 159, 105, .22), transparent 34%),
		radial-gradient(circle at 8% 24%, rgba(67, 95, 128, .11), transparent 30%),
		linear-gradient(180deg, #fffaf2 0%, var(--page) 46%, #f0e5d8 100%);
	background-size: 100% 100%, 100% 100%;
}

.yw-ref-books__workspace {
	width: 100%;
	margin: 0;
	padding: 0 clamp(18px, 4vw, 72px) 72px;
}

.yw-ref-books__workbench,
.yw-ref-books__content,
.yw-ref-books__help {
	display: flex;
	flex-direction: column;
	gap: 18px;
}

.yw-ref-books__workbench {
	display: grid;
	grid-template-columns: 1fr;
	align-items: stretch;
	gap: 18px;
	margin-bottom: 18px;
}

.yw-ref-books__hero-copy,
.yw-ref-books__intro,
.yw-ref-books__query,
.yw-ref-books__result,
.yw-ref-books__poster-tool,
.yw-ref-books__help-card {
	border-radius: var(--radius);
	border: 1px solid rgba(234, 222, 208, .88);
	background: rgba(255, 250, 243, .94);
	box-shadow: 0 16px 40px rgba(67, 95, 128, .09);
}

.yw-ref-books__hero-copy,
.yw-ref-books__intro {
	padding: clamp(24px, 4vw, 38px);
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.yw-ref-books__hero-copy {
	width: 100vw;
	min-height: clamp(430px, 34vw, 560px);
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	padding: clamp(52px, 6.2vw, 88px) clamp(22px, 7vw, 128px) clamp(34px, 4.4vw, 58px);
	border: 0;
	border-radius: 0;
	background:
		linear-gradient(90deg, rgba(255, 255, 255, .05) 0%, rgba(255, 255, 255, 0) 58%),
		image-set(
			url("reference-books-hero-20260615.webp") type("image/webp"),
			url("reference-books-hero-20260615.png") type("image/png")
		) center center / cover no-repeat;
	box-shadow: none;
	overflow: hidden;
}

.yw-ref-books__query {
	padding: 24px;
	box-shadow: var(--shadow);
	align-self: stretch;
}

	.yw-ref-books h1 {
		margin: 0 0 12px;
		color: var(--ink);
		font-size: clamp(30px, 4.6vw, 52px);
		line-height: 1.12;
		font-weight: 500;
		letter-spacing: 0;
	}

.yw-ref-books h1 span {
	display: block;
}

	.yw-ref-books__lead {
		margin: 0;
		max-width: 34em;
		color: #52626b;
		font-size: 17px;
		line-height: 1.78;
	}

.yw-ref-books__trust-row {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 20px;
}

.yw-ref-books__trust-row span {
	display: inline-flex;
	align-items: center;
	min-height: 30px;
	padding: 0 11px;
	border-radius: 999px;
	background: rgba(255, 250, 243, .78);
		border: 1px solid rgba(67, 95, 128, .14);
		color: #4d5f69;
		font-size: 13px;
		font-weight: 650;
	}

.yw-ref-books__trust-row span:first-child {
	background: rgba(233, 30, 99, .09);
	border-color: rgba(233, 30, 99, .16);
	color: var(--rose-deep);
}

.yw-ref-books__stats {
	display: inline-grid;
	grid-template-columns: repeat(3, 132px);
	align-items: center;
	align-self: flex-start;
	width: fit-content;
	max-width: 100%;
	margin-top: 24px;
	border-radius: 999px;
	border: 1px solid rgba(67, 95, 128, .13);
	background: rgba(255, 250, 243, .64);
	box-shadow: 0 16px 30px rgba(67, 95, 128, .09);
	backdrop-filter: blur(10px);
	overflow: hidden;
}

.yw-ref-books__stat {
	display: grid;
	grid-template-columns: auto;
	align-content: center;
	min-width: 0;
	min-height: 54px;
	padding: 9px 18px 10px;
	background: rgba(255, 250, 243, .46);
	border-right: 1px solid rgba(67, 95, 128, .12);
	font-variant-numeric: tabular-nums;
}

.yw-ref-books__stat:last-child {
	border-right: 0;
}

.yw-ref-books__stat strong {
	display: block;
		color: var(--teal);
		font-size: 24px;
		line-height: 1.05;
		font-weight: 780;
		letter-spacing: .02em;
	}

.yw-ref-books__stat span {
	display: block;
	margin-top: 4px;
		color: var(--muted);
		font-size: 12px;
		line-height: 1.25;
		white-space: nowrap;
	}

.yw-ref-books__query-title,
.yw-ref-books__panel-label {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 16px;
	margin-bottom: 16px;
}

.yw-ref-books__query-title {
	margin-bottom: 22px;
}

.yw-ref-books__query-title h2 {
	margin: 0;
	color: var(--ink);
	font-size: 22px;
	line-height: 1.3;
}

.yw-ref-books__badge {
	display: inline-flex;
	align-items: center;
	border-radius: 999px;
		background: var(--teal-soft);
		color: var(--teal-deep);
		font-size: 13px;
		font-weight: 700;
		white-space: nowrap;
	}

.yw-ref-books__badge {
	min-height: 28px;
	padding: 0 10px;
	font-size: 12px;
}

.yw-ref-books__query-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
	gap: 18px;
	align-items: start;
}

.yw-ref-books__field {
	min-width: 0;
	display: flex;
	flex-direction: column;
}

.yw-ref-books__label {
	display: block;
		margin: 0 0 8px;
		color: #344752;
		font-size: 14px;
		font-weight: 700;
	}

.yw-ref-books__input,
.yw-ref-books__select {
	width: 100%;
	min-height: 52px;
	border: 1px solid rgba(67, 95, 128, .22);
	border-radius: var(--radius);
	background: rgba(255, 250, 243, .96);
	padding: 0 15px;
	outline: none;
	color: #24333b;
	transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

	.yw-ref-books__input::placeholder {
		color: #7d827d;
	}

.yw-ref-books__input:focus,
.yw-ref-books__select:focus {
	border-color: rgba(67, 95, 128, .76);
	box-shadow: 0 0 0 4px rgba(67, 95, 128, .11);
	background: #fffdf8;
}

.yw-ref-books__suggestions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 12px 0 0;
}

.yw-ref-books .yw-ref-books__suggestion {
	border: 1px solid rgba(67, 95, 128, .18);
	background: rgba(237, 244, 246, .72);
		color: var(--teal-deep);
		min-height: 34px;
		padding: 0 12px;
		border-radius: 999px;
		font-size: 13px;
		font-weight: 650;
		transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
	}

.yw-ref-books .yw-ref-books__suggestion:hover {
	transform: translateY(-1px);
	background: rgba(67, 95, 128, .11);
}

.yw-ref-books .yw-ref-books__suggestion:active {
	transform: translateY(0);
}

.yw-ref-books .yw-ref-books__suggestion.is-active {
	background: var(--teal);
	color: #fff;
	border-color: var(--teal);
}

.yw-ref-books__suggestions-empty {
	width: 100%;
	padding: 10px 12px;
		border-radius: var(--radius);
		background: rgba(255, 250, 243, .74);
		border: 1px dashed rgba(67, 95, 128, .26);
		color: var(--muted);
		font-size: 13px;
	}

.yw-ref-books__quick-summary,
.yw-ref-books__note {
	border-radius: var(--radius);
	background: var(--warm);
	color: #714353;
	line-height: 1.7;
	font-size: 14px;
}

.yw-ref-books__quick-summary {
	margin: 10px 0 0;
	padding: 12px 14px;
	background: rgba(237, 244, 246, .78);
	color: #34596a;
	border: 1px solid rgba(67, 95, 128, .12);
}

.yw-ref-books__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 18px;
}

	.yw-ref-books .yw-ref-books__btn {
		min-height: 44px;
		border-radius: 999px;
		border: 1px solid transparent;
		padding: 0 19px;
		font-weight: 700;
		display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	text-decoration: none !important;
	transition: transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
	white-space: nowrap;
}

.yw-ref-books .yw-ref-books__btn:hover {
	transform: translateY(-1px);
}

.yw-ref-books .yw-ref-books__btn.is-loading {
	pointer-events: none;
	opacity: .84;
}

.yw-ref-books .yw-ref-books__btn.is-loading::after {
	content: "";
	width: 14px;
	height: 14px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, .5);
	border-top-color: #fff;
	animation: yw-ref-books-spin .72s linear infinite;
}

.yw-ref-books .yw-ref-books__btn:active {
	transform: translateY(0);
}

	.yw-ref-books .yw-ref-books__btn--primary {
		background: var(--rose-deep);
		color: #fff;
		box-shadow: 0 14px 24px rgba(216, 27, 96, .20);
	}

.yw-ref-books .yw-ref-books__btn--primary:hover {
	background: var(--rose-hover);
	color: #fff;
}

.yw-ref-books .yw-ref-books__btn--primary:focus {
	background: var(--rose-deep);
	color: #fff;
}

.yw-ref-books .yw-ref-books__btn--soft {
	color: var(--teal-deep);
	background: rgba(237, 244, 246, .84);
	border-color: rgba(67, 95, 128, .16);
}

	.yw-ref-books .yw-ref-books__btn--quiet {
		color: #46545c;
		background: rgba(255, 250, 243, .92);
		border-color: var(--line);
	}

.yw-ref-books .yw-ref-books__btn:focus-visible,
.yw-ref-books__suggestion:focus-visible,
.yw-ref-books__source-links a:focus-visible {
	outline: 3px solid rgba(233, 30, 99, .24);
	outline-offset: 2px;
}

.yw-ref-books__download-status {
		min-height: 22px;
		margin: 0;
		color: var(--muted);
		font-size: 13px;
		line-height: 1.6;
	}

.yw-ref-books__download-fallback {
	display: inline-flex;
		margin-top: 8px;
		color: var(--rose-deep);
		font-size: 13px;
		font-weight: 700;
	}

.yw-ref-books__download-fallback[hidden] {
	display: none;
}

.yw-ref-books__content {
	gap: 18px;
	margin-top: 0;
}

.yw-ref-books__result-shell {
	width: 100%;
	scroll-margin-top: 92px;
}

.yw-ref-books__result,
.yw-ref-books__poster-tool {
	padding: 24px;
	width: 100%;
}

.yw-ref-books__poster-tool {
	position: relative;
	overflow: hidden;
	background:
		radial-gradient(circle at 88% 12%, rgba(239, 190, 140, .22), transparent 30%),
		linear-gradient(180deg, rgba(255, 250, 243, .96), rgba(246, 238, 226, .92));
}

.yw-ref-books__poster-tool::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	background: linear-gradient(135deg, rgba(255, 255, 255, .42), transparent 44%, rgba(67, 95, 128, .04));
	pointer-events: none;
}

.yw-ref-books__poster-tool > * {
	position: relative;
	z-index: 1;
}

.yw-ref-books__panel-label {
	color: var(--muted);
	font-size: 14px;
}

.yw-ref-books__panel-label strong {
	color: var(--ink);
	font-size: 20px;
	line-height: 1.3;
}

.yw-ref-books__sticky-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: -4px 0 18px;
	padding: 12px;
	border-radius: var(--radius);
	background: rgba(251, 243, 233, .72);
	border: 1px solid var(--line);
}

.yw-ref-books__summary {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-bottom: 18px;
}

.yw-ref-books__summary-item {
	border: 1px solid var(--line);
	background: rgba(255, 253, 248, .86);
	border-radius: var(--radius);
	padding: 14px;
	min-width: 0;
}

	.yw-ref-books__summary-item span {
		display: block;
		margin-bottom: 7px;
		color: var(--muted);
		font-size: 13px;
	}

.yw-ref-books__summary-item strong {
		display: block;
		color: #27343d;
		line-height: 1.55;
		font-size: 15px;
		font-weight: 650;
	}

.yw-ref-books__book-list {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.yw-ref-books__book-row {
	display: grid;
	grid-template-columns: 34px 1fr;
	gap: 12px;
	min-width: 0;
	padding: 14px;
	border: 1px solid var(--line);
	border-radius: 16px;
	background: rgba(255, 253, 248, .82);
}

.yw-ref-books__book-no {
	width: 28px;
	height: 28px;
	display: grid;
	place-items: center;
	border-radius: 50%;
		background: var(--teal);
		color: #fff;
		font-weight: 760;
		font-size: 13px;
		font-variant-numeric: tabular-nums;
	}

	.yw-ref-books__book-title {
		margin: 0 0 5px;
		font-size: 16px;
		color: #263640;
		line-height: 1.4;
		font-weight: 650;
	}

	.yw-ref-books__book-meta {
		margin: 0;
		color: var(--muted);
		line-height: 1.55;
		font-size: 14px;
	}

.yw-ref-books__note {
	margin-top: 16px;
	padding: 13px 14px;
}

.yw-ref-books__source-card {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 10px;
	margin-top: 18px;
	padding: 14px;
	border-radius: var(--radius);
	background: rgba(255, 253, 248, .82);
	border: 1px solid rgba(67, 95, 128, .14);
}

.yw-ref-books__source-card > div:not(.yw-ref-books__source-links) {
	min-width: 0;
}

	.yw-ref-books__source-card span {
		display: block;
		margin-bottom: 5px;
		color: var(--muted);
		font-size: 13px;
	}

.yw-ref-books__source-card strong {
	display: block;
	color: #27343d;
	font-size: 14px;
	line-height: 1.5;
}

	.yw-ref-books__source-links {
		grid-column: 1 / -1;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	min-height: 34px;
	align-items: center;
		color: var(--muted);
		font-size: 13px;
	}

.yw-ref-books__source-links a {
	display: inline-flex;
	align-items: center;
	min-height: 32px;
	padding: 0 12px;
	border-radius: 999px;
	background: rgba(237, 244, 246, .84);
		border: 1px solid rgba(67, 95, 128, .16);
		color: var(--teal-deep);
		font-weight: 700;
		text-decoration: none !important;
	}

.yw-ref-books__source-links a:hover {
	background: rgba(67, 95, 128, .12);
}

.yw-ref-books__empty {
	display: none;
	padding: 20px;
	border-radius: var(--radius);
		background: rgba(255, 250, 243, .92);
		border: 1px dashed rgba(67, 95, 128, .28);
		color: var(--muted);
		line-height: 1.8;
	}

.yw-ref-books__poster-console {
	display: grid;
	grid-template-columns: minmax(220px, .86fr) minmax(360px, 1.24fr) auto;
	gap: 18px;
	align-items: center;
	margin-bottom: 18px;
	padding: 18px;
	border-radius: 18px;
	background: rgba(255, 253, 248, .78);
	border: 1px solid rgba(67, 95, 128, .13);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .72), 0 18px 34px rgba(67, 95, 128, .08);
	backdrop-filter: blur(14px);
}

.yw-ref-books__poster-copy {
	min-width: 0;
}

	.yw-ref-books__poster-eyebrow {
	display: inline-flex;
	align-items: center;
	min-height: 26px;
	margin-bottom: 8px;
	padding: 0 10px;
	border-radius: 999px;
		background: rgba(233, 30, 99, .08);
		color: var(--rose-deep);
		font-size: 12px;
		font-weight: 700;
	}

.yw-ref-books__poster-copy h2 {
	margin: 0;
	color: var(--ink);
	font-size: 24px;
	line-height: 1.25;
}

	.yw-ref-books__poster-copy p {
		margin: 6px 0 0;
		color: var(--muted);
		font-size: 14px;
		line-height: 1.55;
	}

.yw-ref-books__poster-theme {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 14px;
	min-width: 0;
	margin: 0;
	padding: 12px;
	border-radius: 16px;
	background: rgba(246, 240, 231, .58);
	border: 1px solid rgba(67, 95, 128, .11);
}

	.yw-ref-books__poster-theme-label {
		color: #52626b;
		font-size: 13px;
		font-weight: 650;
		white-space: nowrap;
	}

.yw-ref-books__poster-theme-options {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.yw-ref-books .yw-ref-books__theme-option {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	min-height: 34px;
	padding: 0 12px;
	border-radius: 999px;
	border: 1px solid rgba(67, 95, 128, .16);
	background: rgba(255, 250, 243, .9);
	color: #2f536d;
	font-size: 13px;
	font-weight: 650;
	transition: transform .18s ease, border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.yw-ref-books .yw-ref-books__theme-option:hover {
	transform: translateY(-1px);
	background: rgba(237, 244, 246, .96);
	border-color: rgba(31, 72, 95, .42);
	color: #1f485f;
}

.yw-ref-books .yw-ref-books__theme-option.is-active {
	background: rgba(237, 244, 246, .9);
	border-color: rgba(31, 72, 95, .46);
	color: #1f485f;
	font-weight: 700;
	box-shadow: 0 10px 22px rgba(67, 95, 128, .1);
}

.yw-ref-books .yw-ref-books__theme-option.is-active:hover,
.yw-ref-books .yw-ref-books__theme-option:focus-visible {
	color: #1f485f;
}

.yw-ref-books .yw-ref-books__theme-option:focus-visible {
	outline: 3px solid rgba(233, 30, 99, .24);
	outline-offset: 2px;
}

.yw-ref-books__theme-swatch {
	width: 18px;
	height: 18px;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, .86);
	box-shadow: 0 0 0 1px rgba(67, 95, 128, .18);
	flex: 0 0 18px;
}

.yw-ref-books__theme-option[data-theme="edge-watercolor"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #f4b59f 0%, #fff7ec 44%, #8fb7c1 100%);
}

.yw-ref-books__theme-option[data-theme="edge-clean"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #fff9f1 0%, #f6c3b9 52%, #b5c9df 100%);
}

.yw-ref-books__theme-option[data-theme="edge-desk"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #f0d9bd 0%, #fffefe 46%, #2d5378 100%);
}

.yw-ref-books__theme-option[data-theme="edge-map"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #f4e7d4 0%, #d6b58f 50%, #2d5378 100%);
}

.yw-ref-books__theme-option[data-theme="warm"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #fff4de 0%, #efbe8c 48%, #456f86 100%);
}

.yw-ref-books__theme-option[data-theme="blue"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #f4f7f7 0%, #9aa9b2 46%, #435f80 100%);
}

.yw-ref-books__theme-option[data-theme="coral"] .yw-ref-books__theme-swatch {
	background: linear-gradient(135deg, #fff3f5 0%, #e91e63 50%, #ef9f69 100%);
}

.yw-ref-books__poster-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 14px;
	justify-content: flex-end;
	margin: 0;
	min-width: 170px;
}

.yw-ref-books__download-line {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 12px;
	min-height: 20px;
	margin: -4px 0 12px;
}

.yw-ref-books__download-line .yw-ref-books__download-status {
	margin: 0;
}

.yw-ref-books__poster-frame {
	position: relative;
	border-radius: 22px;
	background:
		radial-gradient(circle at 16% 8%, rgba(239, 190, 140, .24), transparent 24%),
		linear-gradient(135deg, rgba(255, 253, 248, .86), rgba(237, 244, 246, .68));
	padding: 14px;
	border: 1px solid rgba(67, 95, 128, .14);
	overflow-x: hidden;
	overflow-y: auto;
	overscroll-behavior: contain;
	scrollbar-gutter: stable;
	min-width: 0;
	width: 100%;
	max-width: 100%;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .82);
	transition: height .24s ease;
}

.yw-ref-books__poster-frame::-webkit-scrollbar {
	width: 10px;
}

.yw-ref-books__poster-frame::-webkit-scrollbar-track {
	background: rgba(255, 250, 243, .58);
	border-radius: 999px;
}

.yw-ref-books__poster-frame::-webkit-scrollbar-thumb {
	border: 2px solid rgba(255, 250, 243, .84);
	border-radius: 999px;
	background: rgba(67, 95, 128, .28);
}

.yw-ref-books__poster-frame.has-scroll {
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, .82),
		inset 0 -18px 24px rgba(67, 95, 128, .05);
}

.yw-ref-books__poster-empty {
	position: absolute;
	inset: 14px;
	display: grid;
	place-items: center;
	border-radius: 18px;
	border: 1px dashed rgba(67, 95, 128, .24);
	background: rgba(255, 253, 248, .72);
	color: var(--muted);
	font-weight: 650;
	text-align: center;
}

.yw-ref-books__poster {
	--poster-bg-top: #fffaf2;
	--poster-bg-mid: #f7eddf;
	--poster-bg-bottom: #edf3f4;
	--poster-ink: #27343d;
	--poster-muted: #5f6e74;
	--poster-title: #2f536d;
	--poster-accent: #d88954;
	--poster-accent-soft: rgba(239, 190, 140, .44);
	--poster-accent-strong: #456f86;
	--poster-wash-left: rgba(239, 190, 140, .38);
	--poster-wash-right: rgba(67, 95, 128, .18);
	--poster-pattern: rgba(67, 95, 128, .13);
	--poster-panel-bg: rgba(255, 253, 248, .82);
	--poster-panel-border: rgba(255, 255, 255, .88);
	--poster-divider: rgba(67, 95, 128, .18);
	--poster-shadow: 0 20px 46px rgba(67, 95, 128, .12);
	--poster-panel-shadow: 0 18px 34px rgba(67, 95, 128, .11);
	--poster-ribbon-bg: rgba(239, 190, 140, .52);
	--poster-ribbon-text: #394a54;
	--poster-section-bg: linear-gradient(135deg, #456f86, #efbe8c);
	--poster-section-text: #fffaf3;
	--poster-number-bg: #456f86;
	--poster-note-bg: rgba(255, 253, 248, .74);
	--poster-icon: #d88954;
	width: 941px;
	flex: 0 0 941px;
	min-height: 1320px;
	transform-origin: top center;
	background:
		radial-gradient(circle at 7% 4%, var(--poster-wash-left), transparent 18%),
		radial-gradient(circle at 87% 9%, var(--poster-wash-right), transparent 10%),
		linear-gradient(180deg, var(--poster-bg-top) 0%, var(--poster-bg-mid) 50%, var(--poster-bg-bottom) 100%);
	padding: 54px;
	color: var(--poster-ink);
	position: relative;
	overflow: hidden;
	box-shadow: var(--poster-shadow);
	transition: color .2s ease, box-shadow .2s ease;
}

.yw-ref-books__poster:not([data-poster-ready="true"]) {
	width: 0;
	flex-basis: 0;
	min-height: 0;
	height: 0;
	padding: 0;
	background: none;
	box-shadow: none;
	overflow: hidden;
	pointer-events: none;
}

.yw-ref-books__poster:not([data-poster-ready="true"])::before,
.yw-ref-books__poster:not([data-poster-ready="true"])::after {
	display: none;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] {
	--poster-ink: #18263a;
	--poster-muted: #62717a;
	--poster-title: #223f55;
	--poster-accent: #e97862;
	--poster-accent-soft: rgba(233, 151, 110, .14);
	--poster-accent-strong: #294c61;
	--poster-pattern: rgba(47, 83, 109, .1);
	--poster-panel-bg: rgba(255, 255, 255, .64);
	--poster-panel-border: rgba(47, 83, 109, .12);
	--poster-divider: rgba(47, 83, 109, .12);
	--poster-shadow: 0 24px 58px rgba(47, 83, 109, .13);
	--poster-panel-shadow: none;
	--poster-ribbon-bg: rgba(41, 76, 97, .08);
	--poster-ribbon-text: #223f55;
	--poster-section-bg: #294c61;
	--poster-section-text: #223f55;
	--poster-number-bg: #f5eee8;
	--poster-number-text: #294c61;
	--poster-note-bg: rgba(255, 255, 255, .58);
	--poster-icon: #e97862;
	--poster-sheet-bg: #fffdf8;
	--poster-sheet-border: rgba(255, 255, 255, .9);
	--poster-sheet-shadow: 0 22px 58px rgba(47, 83, 109, .1), inset 0 1px 0 rgba(255, 255, 255, .92);
	--poster-sheet-inset: 58px 56px 56px;
	--poster-sheet-radius: 28px;
	--poster-edge-paper: #fffaf2;
	background-color: var(--poster-edge-paper, #fffaf2);
	background-image: var(--poster-edge-middle);
	background-position: top center;
	background-size: 100% auto;
	background-repeat: repeat-y;
	padding: 76px 74px 62px;
}

.yw-ref-books__poster[data-poster-theme^="edge-"]::before,
.yw-ref-books__poster[data-poster-theme^="edge-"]::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	z-index: 0;
	height: 900px;
	background-repeat: no-repeat;
	background-size: 100% auto;
	pointer-events: none;
	opacity: 1;
}

.yw-ref-books__poster[data-poster-theme^="edge-"]::before {
	top: 0;
	bottom: auto;
	background-image: var(--poster-edge-top);
	background-position: top center;
}

.yw-ref-books__poster[data-poster-theme^="edge-"]::after {
	top: auto;
	bottom: 0;
	border: 0;
	border-radius: 0;
	background-image: var(--poster-edge-bottom);
	background-position: bottom center;
	box-shadow: none;
}

.yw-ref-books__poster[data-poster-theme="edge-watercolor"] {
	--poster-edge-top: url("poster-bg-watercolor-top-fade.webp");
	--poster-edge-middle: url("poster-bg-watercolor-middle-hq.jpg?v=202606170958");
	--poster-edge-bottom: url("poster-bg-watercolor-bottom-fade.webp");
	--poster-panel-bg: rgba(255, 255, 255, .74);
	--poster-panel-border: rgba(123, 103, 82, .16);
	--poster-divider: rgba(123, 103, 82, .14);
	--poster-note-bg: rgba(255, 253, 248, .78);
	--poster-ribbon-bg: rgba(234, 132, 104, .12);
	--poster-number-bg: #fff4ea;
	--poster-title: #285454;
	--poster-accent: #e77f62;
	--poster-accent-strong: #285454;
	--poster-section-bg: #285454;
	--poster-number-text: #285454;
	--poster-icon: #e77f62;
	--poster-edge-paper: #fcf8ee;
}

.yw-ref-books__poster[data-poster-theme="edge-clean"] {
	--poster-edge-top: url("poster-bg-archive-top-fade.webp");
	--poster-edge-middle: url("poster-bg-archive-middle-hq.jpg?v=202606170958");
	--poster-edge-bottom: url("poster-bg-archive-bottom-fade.webp");
	--poster-edge-paper: #f6f8f4;
	--poster-sheet-bg: #fffdf8;
	--poster-sheet-inset: 54px 50px 54px;
	--poster-title: #233a57;
	--poster-accent: #f08d7c;
	--poster-accent-strong: #28476a;
	--poster-section-bg: #233a57;
	--poster-number-text: #233a57;
	--poster-icon: #7d98b8;
}

.yw-ref-books__poster[data-poster-theme="edge-desk"] {
	--poster-edge-top: url("poster-bg-desk-top-fade.webp");
	--poster-edge-middle: url("poster-bg-desk-middle-hq.jpg?v=202606170958");
	--poster-edge-bottom: url("poster-bg-desk-bottom-fade.webp");
	--poster-edge-paper: #fcf9f3;
	--poster-sheet-bg: #fffdf9;
	--poster-sheet-inset: 58px 58px 58px;
	--poster-title: #203d60;
	--poster-accent: #f17f67;
	--poster-accent-strong: #274d76;
	--poster-section-bg: #274d76;
	--poster-number-text: #274d76;
	--poster-icon: #274d76;
}

.yw-ref-books__poster[data-poster-theme="edge-map"] {
	--poster-edge-top: url("poster-bg-map-top-fade.webp");
	--poster-edge-middle: url("poster-bg-map-middle-hq.jpg?v=202606170958");
	--poster-edge-bottom: url("poster-bg-map-bottom-fade.webp");
	--poster-edge-paper: #f9f2e5;
	--poster-sheet-bg: #fffaf1;
	--poster-sheet-border: rgba(207, 187, 156, .42);
	--poster-sheet-inset: 58px 54px 58px;
	--poster-title: #203b5c;
	--poster-accent: #e4836b;
	--poster-accent-strong: #2d5272;
	--poster-section-bg: #2d5272;
	--poster-number-text: #2d5272;
	--poster-icon: #e4836b;
}

.yw-ref-books__poster[data-poster-theme="blue"] {
	--poster-bg-top: #f7faf9;
	--poster-bg-mid: #edf2f3;
	--poster-bg-bottom: #e2e9ec;
	--poster-ink: #263540;
	--poster-muted: #647177;
	--poster-title: #2f536d;
	--poster-accent: #435f80;
	--poster-accent-soft: rgba(146, 157, 163, .24);
	--poster-accent-strong: #314f68;
	--poster-wash-left: rgba(67, 95, 128, .2);
	--poster-wash-right: rgba(232, 159, 105, .14);
	--poster-pattern: rgba(67, 95, 128, .12);
	--poster-panel-bg: rgba(255, 253, 248, .78);
	--poster-divider: rgba(67, 95, 128, .2);
	--poster-ribbon-bg: rgba(67, 95, 128, .16);
	--poster-ribbon-text: #2f536d;
	--poster-section-bg: linear-gradient(135deg, #2f536d, #929da3);
	--poster-number-bg: #435f80;
	--poster-icon: #435f80;
}

.yw-ref-books__poster[data-poster-theme="coral"] {
	--poster-bg-top: #fff8f6;
	--poster-bg-mid: #f8ebe7;
	--poster-bg-bottom: #f1e6dd;
	--poster-ink: #343a40;
	--poster-muted: #6e6664;
	--poster-title: #344b58;
	--poster-accent: #e91e63;
	--poster-accent-soft: rgba(233, 30, 99, .11);
	--poster-accent-strong: #d81b60;
	--poster-wash-left: rgba(239, 190, 140, .32);
	--poster-wash-right: rgba(233, 30, 99, .13);
	--poster-pattern: rgba(216, 27, 96, .12);
	--poster-panel-bg: rgba(255, 253, 248, .8);
	--poster-divider: rgba(216, 27, 96, .15);
	--poster-ribbon-bg: rgba(233, 30, 99, .1);
	--poster-ribbon-text: #d81b60;
	--poster-section-bg: linear-gradient(135deg, #d81b60, #ef9f69);
	--poster-number-bg: #d81b60;
	--poster-icon: #d81b60;
}

.yw-ref-books__poster::before {
	content: "";
	position: absolute;
	left: -90px;
	right: -90px;
	bottom: -50px;
	height: 180px;
	background: repeating-radial-gradient(ellipse at center, var(--poster-pattern) 0 2px, transparent 3px 18px);
	opacity: .6;
}

.yw-ref-books__poster-brand,
.yw-ref-books__poster-hero,
.yw-ref-books__poster-panel,
.yw-ref-books__poster-section-title,
.yw-ref-books__poster-note {
	position: relative;
	z-index: 1;
}

.yw-ref-books__poster-brand {
	display: flex;
	align-items: center;
	gap: 16px;
	font-size: 26px;
	font-weight: 800;
}

.yw-ref-books__poster-brand img {
	width: 68px;
	height: 68px;
	border-radius: 50%;
	box-shadow: 0 10px 22px rgba(201, 65, 92, .16);
}

.yw-ref-books__poster-hero {
	text-align: left;
	margin: 58px 0 30px;
}

.yw-ref-books__poster-hero h3 {
	margin: 0;
	font-size: 66px;
	line-height: 1.1;
	color: var(--poster-title);
	letter-spacing: 0;
}

.yw-ref-books__poster-hero h3 span {
	display: block;
}

.yw-ref-books__poster-hero h3 span + span {
	margin-top: 8px;
	font-size: 58px;
}

.yw-ref-books__poster-ribbon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-top: 24px;
	padding: 11px 38px;
	border-radius: 999px;
	background: var(--poster-ribbon-bg);
	color: var(--poster-ribbon-text);
	font-size: 23px;
	font-weight: 750;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-brand {
	gap: 14px;
	font-size: 24px;
	color: #1b2840;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-brand img {
	width: 62px;
	height: 62px;
	box-shadow: 0 9px 20px rgba(233, 30, 99, .12);
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-hero {
	margin: 54px 0 28px;
	text-align: center;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-hero h3 {
	font-size: 60px;
	line-height: 1.08;
	letter-spacing: 0;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-hero h3 span + span {
	margin-top: 10px;
	font-size: 52px;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-ribbon {
	margin-top: 24px;
	padding: 10px 36px;
	background: var(--poster-ribbon-bg);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7);
	font-size: 22px;
}

.yw-ref-books__poster-panel {
	margin-top: 28px;
	padding: 28px 30px;
	border: 1px solid var(--poster-panel-border);
	border-radius: 18px;
	background: var(--poster-panel-bg);
	box-shadow: var(--poster-panel-shadow);
	backdrop-filter: blur(12px);
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-panel {
	margin-top: 24px;
	padding: 24px 28px;
	border-color: var(--poster-panel-border);
	background: var(--poster-panel-bg);
	box-shadow: none;
	backdrop-filter: none;
}

.yw-ref-books__poster-info {
	display: grid;
	grid-template-columns: 210px 1fr;
	padding: 0;
}

.yw-ref-books__poster-label,
.yw-ref-books__poster-value {
	padding: 18px 16px;
	border-bottom: 1px solid var(--poster-divider);
	font-size: 25px;
	line-height: 1.55;
}

.yw-ref-books__poster-label {
	display: flex;
	align-items: center;
	gap: 12px;
	color: var(--poster-accent-strong);
	font-weight: 850;
	border-right: 1px solid var(--poster-divider);
	white-space: nowrap;
}

.yw-ref-books__poster-value {
	font-weight: 700;
	color: var(--poster-ink);
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-info {
	grid-template-columns: 190px 1fr;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-label,
.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-value {
	padding: 16px 14px;
	font-size: 24px;
	line-height: 1.5;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-label {
	gap: 10px;
	font-weight: 780;
}

.yw-ref-books__poster-info > :nth-last-child(-n+2) {
	border-bottom: none;
}

.yw-ref-books__poster-icon {
	width: 42px;
	height: 42px;
	color: var(--poster-icon);
	flex: 0 0 42px;
}

.yw-ref-books__poster-section-title {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	margin-top: 34px;
	padding: 11px 26px;
	border-radius: 999px;
	background: var(--poster-section-bg);
	color: var(--poster-section-text);
	font-size: 25px;
	font-weight: 850;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-icon {
	width: 34px;
	height: 34px;
	flex-basis: 34px;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-section-title {
	display: flex;
	width: 100%;
	margin-top: 36px;
	padding: 0 0 16px;
	border-bottom: 1px solid var(--poster-divider);
	border-radius: 0;
	background: transparent;
	color: var(--poster-section-text);
	font-size: 26px;
	letter-spacing: 0;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-section-title::before {
	content: "";
	width: 50px;
	height: 5px;
	border-radius: 999px;
	background: var(--poster-accent);
}

.yw-ref-books__poster-books {
	list-style: none;
	margin: 0;
	padding: 18px 0 2px;
}

.yw-ref-books__poster-book {
	display: grid;
	grid-template-columns: 58px 1fr;
	gap: 18px;
	padding: 18px 18px 18px 4px;
	border-bottom: 1px solid var(--poster-divider);
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-books {
	padding: 8px 0 0;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-book {
	grid-template-columns: 52px 1fr;
	gap: 14px;
	padding: 16px 10px 16px 0;
}

.yw-ref-books__poster-book:last-child {
	border-bottom: none;
}

.yw-ref-books__poster-book-no {
	width: 42px;
	height: 42px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	background: var(--poster-number-bg);
	color: #fff;
	font-size: 24px;
	font-weight: 850;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-book-no {
	width: 38px;
	height: 38px;
	border: 1px solid rgba(47, 83, 109, .12);
	background: var(--poster-number-bg);
	color: var(--poster-number-text);
	font-size: 22px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .82);
}

.yw-ref-books__poster-book strong {
	display: block;
	margin-bottom: 6px;
	font-size: 25px;
	line-height: 1.25;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-book strong {
	margin-bottom: 5px;
	font-size: 24px;
	line-height: 1.28;
	font-weight: 820;
}

.yw-ref-books__poster-book p {
	margin: 0;
	color: var(--poster-muted);
	font-size: 21px;
	line-height: 1.45;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-book p {
	font-size: 20px;
	line-height: 1.46;
	color: #5f6f77;
}

.yw-ref-books__poster-meta-part,
.yw-ref-books__poster-meta-separator {
	display: inline-block;
	white-space: nowrap;
}

.yw-ref-books__poster-note {
	display: flex;
	gap: 18px;
	margin-top: 28px;
	padding: 24px 28px;
	border-radius: 18px;
	background: var(--poster-note-bg);
	box-shadow: var(--poster-panel-shadow);
	font-size: 23px;
	font-weight: 700;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-note {
	align-items: flex-start;
	margin-top: 24px;
	padding: 20px 24px;
	border: 1px solid rgba(47, 83, 109, .08);
	background: var(--poster-note-bg);
	box-shadow: none;
	color: var(--poster-ink);
	font-size: 21px;
	line-height: 1.58;
}

.yw-ref-books__poster[data-poster-theme^="edge-"] .yw-ref-books__poster-note b {
	color: var(--poster-accent-strong);
}

.yw-ref-books__poster-note b {
	white-space: nowrap;
}

.yw-ref-books__help {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
	margin-top: 24px;
}

.yw-ref-books__help-card {
	padding: 18px;
	line-height: 1.75;
}

.yw-ref-books__help-card h3 {
	margin: 0 0 8px;
	color: var(--ink);
	font-size: 16px;
}

.yw-ref-books__help-card p {
		margin: 0;
		color: var(--muted);
		font-size: 14px;
	}

.yw-ref-books.is-motion-ready .yw-ref-books__motion-reveal {
	will-change: transform, opacity;
}

@keyframes yw-ref-books-spin {
	to {
		transform: rotate(360deg);
	}
}

@media (prefers-reduced-motion: reduce) {
	.yw-ref-books *,
	.yw-ref-books *::before,
	.yw-ref-books *::after {
		animation-duration: .001ms !important;
		animation-iteration-count: 1 !important;
		scroll-behavior: auto !important;
		transition-duration: .001ms !important;
	}
}

@media (max-width: 740px) {
	.yw-ref-books__workspace {
		width: 100%;
		padding: 0 10px 46px;
	}

	.yw-ref-books__workbench {
		grid-template-columns: 1fr;
		gap: 12px;
	}

	.yw-ref-books__hero-copy {
		min-height: 460px;
		padding: 34px 20px 30px;
		background-position: left center;
	}

	.yw-ref-books__intro,
	.yw-ref-books__query,
	.yw-ref-books__result,
	.yw-ref-books__poster-tool,
	.yw-ref-books__help-card {
		padding: 18px;
	}

	.yw-ref-books h1 {
		margin-top: 0;
		font-size: 30px;
		line-height: 1.16;
	}

	.yw-ref-books__lead {
		font-size: 15.5px;
		line-height: 1.72;
	}

	.yw-ref-books__stats,
	.yw-ref-books__summary,
	.yw-ref-books__help,
	.yw-ref-books__source-card {
		grid-template-columns: 1fr;
	}

	.yw-ref-books__stats {
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		align-self: stretch;
		width: 100%;
		max-width: 100%;
		border-radius: 28px;
	}

	.yw-ref-books__stat {
		min-width: 0;
		padding: 10px 10px;
	}

	.yw-ref-books__stat strong {
		font-size: 21px;
	}

	.yw-ref-books__stat span {
		font-size: 11.5px;
	}

	.yw-ref-books__query-grid {
		grid-template-columns: 1fr;
	}

	.yw-ref-books__poster-console {
		grid-template-columns: 1fr;
		gap: 12px;
		padding: 14px;
		border-radius: 18px;
	}

	.yw-ref-books__poster-copy h2 {
		font-size: 22px;
	}

	.yw-ref-books__query-title,
	.yw-ref-books__panel-label {
		align-items: flex-start;
		flex-direction: column;
	}

	.yw-ref-books__actions .yw-ref-books__btn {
		width: 100%;
	}

	.yw-ref-books__sticky-actions .yw-ref-books__btn,
	.yw-ref-books__poster-actions .yw-ref-books__btn {
		width: 100%;
	}

	.yw-ref-books__poster-actions {
		justify-content: stretch;
	}

	.yw-ref-books__poster-theme {
		align-items: flex-start;
	}

	.yw-ref-books__poster-theme-options {
		width: 100%;
	}

	.yw-ref-books .yw-ref-books__theme-option {
		flex: 1 1 140px;
		justify-content: center;
	}

	.yw-ref-books__book-list {
		grid-template-columns: 1fr;
	}

	.yw-ref-books__book-row {
		grid-template-columns: 32px 1fr;
	}

	.yw-ref-books__poster-frame {
		padding: 8px;
		border-radius: 18px;
	}

	.yw-ref-books__poster-empty {
		inset: 8px;
		border-radius: 14px;
		padding: 18px;
	}
}