/*
Theme Name: Donglong Linen
Theme URI: https://example.com
Author: Geek Listing
Description: 东龙纺织 B2B 独立站主题。按 PAR 套系组织的产品目录，七段式单品页，六字段询盘。黑白灰极简，无页面构建器依赖。
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 7.4
License: Proprietary
Text Domain: donglong
*/

/* ==========================================================================
   1. 设计令牌
   ========================================================================== */

:root {
	--dl-ink: #111111;
	--dl-ink-soft: #333333;
	--dl-muted: #6B6B6B;
	--dl-line: #E3E3E3;
	--dl-line-strong: #111111;
	--dl-paper: #FFFFFF;
	--dl-wash: #F6F6F4;

	--dl-font: "Inter", "Helvetica Neue", "Noto Sans SC", -apple-system, sans-serif;
	--dl-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

	--dl-step-1: 44px;
	--dl-step-2: 30px;
	--dl-step-3: 21px;
	--dl-step-4: 17px;
	--dl-step-5: 15px;
	--dl-step-6: 13px;

	--dl-space-1: 8px;
	--dl-space-2: 16px;
	--dl-space-3: 24px;
	--dl-space-4: 40px;
	--dl-space-5: 64px;
	--dl-space-6: 96px;

	--dl-max: 1200px;
	--dl-gutter: 24px;
}

/* ==========================================================================
   2. 基础
   ========================================================================== */

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--dl-paper);
	color: var(--dl-ink);
	font-family: var(--dl-font);
	font-size: var(--dl-step-4);
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a {
	color: inherit;
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
	text-underline-offset: 3px;
}

h1,
h2,
h3,
h4 {
	margin: 0;
	font-weight: 600;
	letter-spacing: -0.01em;
	line-height: 1.25;
}

h1 {
	font-size: var(--dl-step-1);
}

h2 {
	font-size: var(--dl-step-2);
}

h3 {
	font-size: var(--dl-step-3);
}

p {
	margin: 0 0 var(--dl-space-2);
}

.dl-wrap {
	max-width: var(--dl-max);
	margin: 0 auto;
	padding: 0 var(--dl-gutter);
}

.dl-eyebrow {
	font-size: var(--dl-step-6);
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--dl-muted);
	margin-bottom: var(--dl-space-2);
}

.dl-lead {
	font-size: var(--dl-step-3);
	line-height: 1.6;
	color: var(--dl-ink-soft);
	max-width: 46em;
}

/* ==========================================================================
   3. 页头
   ========================================================================== */

.dl-masthead {
	border-bottom: 1px solid var(--dl-line);
	position: sticky;
	top: 0;
	background: var(--dl-paper);
	z-index: 20;
}

.dl-masthead-inner {
	max-width: var(--dl-max);
	margin: 0 auto;
	padding: 0 var(--dl-gutter);
	height: 72px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.dl-wordmark {
	font-size: var(--dl-step-4);
	font-weight: 600;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.dl-nav {
	display: flex;
	gap: var(--dl-space-3);
	font-size: var(--dl-step-5);
	color: var(--dl-ink-soft);
}

.dl-nav a:hover {
	color: var(--dl-ink);
}

/* ==========================================================================
   4. 首屏
   ========================================================================== */

.dl-hero {
	padding: var(--dl-space-6) 0 var(--dl-space-5);
	border-bottom: 1px solid var(--dl-line);
}

.dl-hero h1 {
	max-width: 20em;
}

.dl-hero .dl-lead {
	margin-top: var(--dl-space-3);
}

.dl-facts {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	grid-gap: 1px;
	background: var(--dl-line);
	border: 1px solid var(--dl-line);
	margin-top: var(--dl-space-5);
}

.dl-fact {
	background: var(--dl-paper);
	padding: var(--dl-space-3);
}

.dl-fact dt {
	font-size: var(--dl-step-6);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--dl-muted);
}

.dl-fact dd {
	margin: var(--dl-space-1) 0 0;
	font-size: var(--dl-step-2);
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   5. PAR 套系卡
   ========================================================================== */

.dl-section {
	padding: var(--dl-space-5) 0;
	border-bottom: 1px solid var(--dl-line);
}

.dl-section-head {
	margin-bottom: var(--dl-space-4);
}

.dl-par-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--dl-space-3);
}

.dl-par-card {
	border: 1px solid var(--dl-line);
	padding: var(--dl-space-3);
	display: flex;
	flex-direction: column;
	min-height: 260px;
}

.dl-par-card:hover {
	border-color: var(--dl-line-strong);
}

.dl-par-card .dl-par-code {
	font-family: var(--dl-mono);
	font-size: var(--dl-step-6);
	letter-spacing: 0.1em;
	color: var(--dl-muted);
}

.dl-par-card h3 {
	margin-top: var(--dl-space-1);
}

.dl-par-card p {
	margin-top: var(--dl-space-2);
	color: var(--dl-ink-soft);
	font-size: var(--dl-step-5);
}

.dl-par-card .dl-par-count {
	margin-top: auto;
	padding-top: var(--dl-space-3);
	font-family: var(--dl-mono);
	font-size: var(--dl-step-6);
	color: var(--dl-muted);
	letter-spacing: 0.08em;
}

/* ==========================================================================
   6. 规格表
   ========================================================================== */

.dl-spec {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--dl-step-5);
}

.dl-spec th,
.dl-spec td {
	text-align: left;
	padding: 14px var(--dl-space-2);
	border-bottom: 1px solid var(--dl-line);
	vertical-align: top;
}

.dl-spec thead th {
	font-size: var(--dl-step-6);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--dl-muted);
	font-weight: 500;
	border-bottom: 1px solid var(--dl-line-strong);
}

.dl-spec td.dl-num {
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.dl-spec td.dl-strong {
	font-weight: 600;
}

/* ==========================================================================
   7. 产品卡（目录）
   ========================================================================== */

.dl-product-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--dl-space-2);
}

.dl-product-card {
	border: 1px solid var(--dl-line);
	display: flex;
	flex-direction: column;
}

.dl-product-card .dl-thumb {
	aspect-ratio: 4 / 3;
	background: var(--dl-wash);
	overflow: hidden;
}

.dl-product-card .dl-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.dl-product-card .dl-card-body {
	padding: var(--dl-space-2);
}

.dl-product-card h3 {
	font-size: var(--dl-step-4);
}

.dl-product-card .dl-card-meta {
	font-family: var(--dl-mono);
	font-size: var(--dl-step-6);
	color: var(--dl-muted);
	margin-top: 6px;
}

/* ==========================================================================
   8. 七段式单品页
   ========================================================================== */

.dl-product-hero {
	display: grid;
	grid-template-columns: 1.15fr 1fr;
	gap: var(--dl-space-4);
	padding: var(--dl-space-5) 0;
	border-bottom: 1px solid var(--dl-line);
	align-items: start;
}

.dl-product-hero .dl-media {
	background: var(--dl-wash);
	aspect-ratio: 4 / 5;
	overflow: hidden;
}

.dl-product-hero .dl-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.dl-product-hero .dl-specs {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background: var(--dl-line);
	border: 1px solid var(--dl-line);
	margin-top: var(--dl-space-3);
}

.dl-product-hero .dl-specs div {
	background: var(--dl-paper);
	padding: var(--dl-space-2);
}

.dl-product-hero .dl-specs dt {
	font-size: var(--dl-step-6);
	color: var(--dl-muted);
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.dl-product-hero .dl-specs dd {
	margin: 4px 0 0;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.dl-seg {
	padding: var(--dl-space-4) 0;
	border-bottom: 1px solid var(--dl-line);
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: var(--dl-space-4);
}

.dl-seg .dl-seg-index {
	font-family: var(--dl-mono);
	font-size: var(--dl-step-6);
	color: var(--dl-muted);
	letter-spacing: 0.14em;
}

.dl-seg h2 {
	font-size: var(--dl-step-3);
	margin-bottom: var(--dl-space-2);
}

/* ==========================================================================
   9. 询盘
   ========================================================================== */

.dl-inquiry {
	background: var(--dl-ink);
	color: var(--dl-paper);
	padding: var(--dl-space-5) 0;
}

.dl-inquiry h2 {
	color: var(--dl-paper);
}

.dl-inquiry .dl-lead {
	color: rgba(255, 255, 255, 0.72);
}

.dl-form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--dl-space-2);
	margin-top: var(--dl-space-4);
	max-width: 760px;
}

.dl-form label {
	display: block;
	font-size: var(--dl-step-6);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.6);
	margin-bottom: 6px;
}

.dl-form input,
.dl-form select,
.dl-form textarea {
	width: 100%;
	background: transparent;
	border: 1px solid rgba(255, 255, 255, 0.28);
	color: var(--dl-paper);
	padding: 12px;
	font-family: var(--dl-font);
	font-size: var(--dl-step-5);
}

.dl-form input::placeholder,
.dl-form textarea::placeholder {
	color: rgba(255, 255, 255, 0.4);
}

.dl-form .dl-full {
	grid-column: 1 / -1;
}

.dl-form button {
	grid-column: 1 / -1;
	justify-self: start;
	background: var(--dl-paper);
	color: var(--dl-ink);
	border: 0;
	padding: 14px 32px;
	font-size: var(--dl-step-5);
	font-weight: 600;
	letter-spacing: 0.08em;
	cursor: pointer;
}

.dl-form button:hover {
	background: var(--dl-wash);
}

/* ==========================================================================
   10. 页脚
   ========================================================================== */

.dl-footer {
	padding: var(--dl-space-4) 0;
	font-size: var(--dl-step-6);
	color: var(--dl-muted);
}

.dl-footer-inner {
	display: flex;
	justify-content: space-between;
	gap: var(--dl-space-3);
	flex-wrap: wrap;
}

/* ==========================================================================
   10.5 首屏：证据密度版
   ========================================================================== */

.dl-hero-2col {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
	padding: 72px 0 56px;
	border-bottom: 1px solid var(--dl-line);
	align-items: start;
}

.dl-hero-2col h1 {
	font-size: 40px;
	max-width: 12em;
}

.dl-hero-2col .dl-lead {
	margin-top: 20px;
	font-size: var(--dl-step-4);
}

.dl-kpis {
	display: flex;
	gap: 40px;
	margin: 36px 0 0;
	padding-top: 20px;
	border-top: 1px solid var(--dl-line);
}

.dl-kpis dt {
	font-size: 11px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--dl-muted);
	white-space: nowrap;
}

.dl-kpis dd {
	margin: 4px 0 0;
	font-size: 26px;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.01em;
}

.dl-evidence {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	margin-top: 28px;
	border-top: 1px solid var(--dl-line);
	border-bottom: 1px solid var(--dl-line);
}

.dl-evidence span {
	font-size: 11.5px;
	color: var(--dl-ink-soft);
	padding: 12px 14px;
	letter-spacing: 0.02em;
	border-right: 1px solid var(--dl-line);
}

.dl-evidence span:first-child {
	padding-left: 0;
}

.dl-evidence span:last-child {
	border-right: 0;
}

.dl-hero-media {
	position: relative;
}

.dl-hero-media img {
	width: 100%;
	height: 460px;
	object-fit: cover;
	background: var(--dl-wash);
}

.dl-media-tag {
	position: absolute;
	left: 0;
	bottom: 0;
	background: var(--dl-paper);
	font-family: var(--dl-mono);
	font-size: 11px;
	letter-spacing: 0.08em;
	padding: 10px 14px;
	color: var(--dl-ink);
}

.dl-actionbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	padding: 22px 24px;
	border-bottom: 1px solid var(--dl-line);
	background: var(--dl-wash);
}

.dl-actionbar p {
	margin: 0;
	font-size: var(--dl-step-6);
	color: var(--dl-ink-soft);
}

.dl-actions {
	display: flex;
	gap: 12px;
}

.dl-btn {
	display: inline-block;
	padding: 11px 22px;
	font-size: var(--dl-step-6);
	letter-spacing: 0.06em;
	border: 1px solid var(--dl-ink);
	color: var(--dl-ink);
	white-space: nowrap;
}

.dl-btn-solid {
	background: var(--dl-ink);
	color: var(--dl-paper);
}

.dl-btn:hover {
	text-decoration: none;
	opacity: 0.85;
}

/* ==========================================================================
   10.6 单品页：密度版
   ========================================================================== */

.dl-pdp {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
	padding: 72px 0 40px;
	align-items: start;
}

.dl-pdp h1 {
	font-size: 34px;
}

.dl-specgrid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background: var(--dl-line);
	border: 1px solid var(--dl-line);
	margin: 28px 0 0;
}

.dl-specgrid > div {
	background: var(--dl-paper);
	padding: 14px 16px;
}

.dl-specgrid dt {
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--dl-muted);
}

.dl-specgrid dd {
	margin: 5px 0 0;
	font-size: var(--dl-step-5);
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.dl-pdp-actions {
	display: flex;
	gap: 12px;
	margin-top: 26px;
}

.dl-pdp-media {
	position: relative;
}

.dl-pdp-media img {
	width: 100%;
	height: 520px;
	object-fit: cover;
	background: var(--dl-wash);
}

.dl-usebar {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	border-top: 1px solid var(--dl-line);
	border-bottom: 1px solid var(--dl-line);
}

.dl-usebar > div {
	padding: 18px 16px;
	border-right: 1px solid var(--dl-line);
}

.dl-usebar > div:first-child {
	padding-left: 0;
}

.dl-usebar > div:last-child {
	border-right: 0;
}

.dl-usebar dt {
	font-size: 11px;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--dl-muted);
}

.dl-usebar dd {
	margin: 6px 0 0;
	font-size: 18px;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.dl-tbd {
	color: #9A9A9A;
	font-weight: 500;
}

.dl-note {
	font-size: 12px;
	color: var(--dl-muted);
	margin-top: 12px;
	max-width: 56em;
	line-height: 1.6;
}

/* ==========================================================================
   11. 响应式
   ========================================================================== */

@media (max-width: 960px) {
	.dl-facts,
	.dl-par-grid,
	.dl-product-grid {
		grid-template-columns: 1fr;
	}

	.dl-hero-2col {
		grid-template-columns: 1fr;
		gap: 24px;
		padding: 48px 0 40px;
	}

	.dl-pdp {
		grid-template-columns: 1fr;
		gap: 24px;
		padding: 40px 0 24px;
	}

	.dl-pdp h1 {
		font-size: 26px;
	}

	.dl-pdp-media img {
		height: 320px;
	}

	.dl-usebar {
		grid-template-columns: 1fr 1fr;
	}

	.dl-usebar > div {
		border-bottom: 1px solid var(--dl-line);
	}

	.dl-specgrid {
		grid-template-columns: 1fr;
	}

	.dl-hero-2col h1 {
		font-size: 32px;
	}

	.dl-kpis {
		gap: 24px;
		flex-wrap: wrap;
	}

	.dl-evidence {
		grid-template-columns: 1fr;
	}

	.dl-evidence span {
		border-right: 0;
		border-bottom: 1px solid var(--dl-line);
		padding-left: 0;
	}

	.dl-evidence span:last-child {
		border-bottom: 0;
	}

	.dl-actionbar {
		flex-direction: column;
		align-items: flex-start;
		padding: 20px 0;
		background: transparent;
	}

	.dl-product-hero,
	.dl-seg {
		grid-template-columns: 1fr;
		gap: var(--dl-space-2);
	}

	.dl-form {
		grid-template-columns: 1fr;
	}

	.dl-hero {
		padding: var(--dl-space-5) 0;
	}
}

/* ==========================================================================
   12. 通用双栏（PAR 页一页纸区块）
   ========================================================================== */

.dl-split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 56px;
	align-items: start;
}

@media (max-width: 960px) {
	.dl-split {
		grid-template-columns: 1fr;
		gap: 24px;
	}
}
/* ==========================================================================
   PAR 套系页：清单卡片
   ========================================================================== */

.dl-items-3 {
	grid-template-columns: repeat(3, 1fr);
}

.dl-thumb-fallback {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100%;
	font-family: var(--dl-mono);
	font-size: 11px;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: #8A8A8A;
	text-align: center;
	padding: 0 12px;
}

.dl-card-spec {
	margin: 14px 0 0;
	padding-top: 12px;
	border-top: 1px solid var(--dl-line);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px 16px;
}

.dl-card-spec div {
	display: flex;
	justify-content: space-between;
	gap: 8px;
	align-items: baseline;
}

.dl-card-spec dt {
	font-family: var(--dl-mono);
	font-size: 10px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--dl-muted);
	white-space: nowrap;
}

.dl-card-spec dd {
	margin: 0;
	font-size: 13px;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}
/* 清单卡片：缩略图压扁一点，参数改成上标签下数值 */
.dl-items-3 .dl-thumb {
	aspect-ratio: 3 / 2;
}

.dl-card-spec div {
	display: block;
}

.dl-card-spec dt {
	display: block;
	margin-bottom: 2px;
}

.dl-card-spec dd {
	font-size: 13px;
	line-height: 1.35;
}
/* PAR 套系页：房型实景图两栏首屏 */
.dl-room-inner {
	display: grid;
	grid-template-columns: 1fr 1.05fr;
	gap: 56px;
	align-items: start;
}

.dl-room-copy .dl-kpis {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 26px 32px;
	border-top: 1px solid var(--dl-line);
}

.dl-room-figure {
	margin: 0;
}

.dl-room-figure img {
	display: block;
	width: 100%;
	height: auto;
}

.dl-room-figure figcaption {
	margin-top: 10px;
	font-family: var(--dl-mono);
	font-size: 11px;
	letter-spacing: 0.04em;
	color: var(--dl-muted);
}

@media (max-width: 900px) {
	.dl-room-inner {
		grid-template-columns: 1fr;
		gap: 28px;
	}
}
/* 定制档位条：不满意这一档时的出口 */
.dl-custom-band {
	border-top: 1px solid var(--dl-line);
	border-bottom: 1px solid var(--dl-line);
}

.dl-custom-inner {
	display: grid;
	grid-template-columns: 1.5fr auto;
	gap: 40px;
	align-items: start;
}

.dl-custom-inner .dl-lead {
	max-width: 620px;
	margin-bottom: 0;
}

.dl-custom-inner .dl-btn {
	white-space: nowrap;
}

@media (max-width: 900px) {
	.dl-custom-inner {
		grid-template-columns: 1fr;
		gap: 20px;
	}
}
/* 深色询盘区里的提示文字要能读 */
.dl-inquiry .dl-note {
	color: #B4B4B4;
}

.dl-inquiry .dl-note strong {
	color: #FFFFFF;
	font-weight: 600;
}
/* 法务页排版：只服务阅读，不加任何装饰 */
.dl-legal h2 {
	font-size: 20px;
	line-height: 1.3;
	margin: 40px 0 10px;
	letter-spacing: -0.01em;
}

.dl-legal h2 + p {
	margin-top: 0;
}

.dl-legal p {
	font-size: 16px;
	line-height: 1.7;
	color: var(--dl-ink);
	margin-bottom: 14px;
}

.dl-legal .dl-lead {
	font-size: 17px;
	color: var(--dl-ink-soft);
	margin-bottom: 28px;
}

.dl-legal strong {
	font-weight: 600;
}

/* 页脚法务链接 */
.dl-footer-legal {
	display: flex;
	gap: 22px;
	align-items: center;
}

.dl-footer-legal a {
	color: inherit;
	text-decoration: none;
	border-bottom: 1px solid transparent;
}

.dl-footer-legal a:hover {
	border-bottom-color: currentColor;
}