/*
Theme Name: 快幅广告 Kuaifu Ad
Theme URI: https://example.com/kuaifu-ad
Author: 文化传媒站群
Description: 广告物料制作公司专用主题。白底×CMYK 四色的印刷厂美学：顶部四色条、套准线、色标条、网点装饰、价格速查表。九段式转化首页（产品目录/价格表/案例/流程/口碑/FAQ/传文件报价），内建 SEO 与结构化数据。零外部依赖。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kuaifu-ad
Tags: business, one-column, custom-logo, custom-menu, featured-images
*/

/* ==========================================================================
   0. 设计令牌（CMYK 系统）
   ========================================================================== */

:root {
	--kf-white: #ffffff;
	--kf-paper: #f5f5f2;
	--kf-ink: #1a1a1a;
	--kf-ink-dim: #5a5a56;
	--kf-ink-faint: #9a9a94;
	--kf-cyan: #00b7eb;
	--kf-magenta: #ec008c;
	--kf-magenta-deep: #c40074;
	--kf-yellow: #ffd400;
	--kf-line: rgba(26, 26, 26, 0.9);
	--kf-line-soft: rgba(26, 26, 26, 0.16);
	--kf-line-faint: rgba(26, 26, 26, 0.08);
	--kf-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
	--kf-mono: "SF Mono", Menlo, Consolas, "Courier New", monospace;
	--kf-shadow: 0 16px 36px rgba(26, 26, 26, 0.12);
	--kf-radius: 12px;
}

/* ==========================================================================
   1. 基础与排版
   ========================================================================== */

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	scroll-padding-top: 96px;
}

body {
	margin: 0;
	font-family: var(--kf-sans);
	font-size: 16px;
	line-height: 1.8;
	color: var(--kf-ink);
	background: var(--kf-white);
	-webkit-font-smoothing: antialiased;
	overflow-wrap: anywhere;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0 0 0.6em;
	font-family: var(--kf-sans);
	font-weight: 800;
	line-height: 1.3;
	color: var(--kf-ink);
}

p {
	margin: 0 0 1em;
}

a {
	color: var(--kf-magenta);
	text-decoration: none;
	transition: color 0.2s ease;
}

a:hover {
	color: var(--kf-magenta-deep);
}

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

svg {
	display: block;
}

ul, ol {
	margin: 0;
	padding: 0;
}

button {
	font-family: inherit;
}

::selection {
	background: var(--kf-yellow);
	color: var(--kf-ink);
}

:focus-visible {
	outline: 2px solid var(--kf-magenta);
	outline-offset: 3px;
}

.kf-container {
	width: min(1180px, 100% - 48px);
	margin-inline: auto;
}

/* 顶部 CMYK 条 */

.kf-cmyk-bar {
	display: flex;
	height: 6px;
}

.kf-cmyk-bar i {
	flex: 1;
}

.kf-cmyk-bar .kf-c { background: var(--kf-cyan); }
.kf-cmyk-bar .kf-m { background: var(--kf-magenta); }
.kf-cmyk-bar .kf-y { background: var(--kf-yellow); }
.kf-cmyk-bar .kf-k { background: var(--kf-ink); }

.kf-kicker,
.kf-section-kicker,
.kf-cta-kicker {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 16px;
	font-family: var(--kf-mono);
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.22em;
	color: var(--kf-ink);
}

.kf-kicker::before,
.kf-section-kicker::before,
.kf-cta-kicker::before {
	content: "";
	width: 34px;
	height: 10px;
	flex: none;
	background: linear-gradient(90deg, var(--kf-cyan) 0 25%, var(--kf-magenta) 25% 50%, var(--kf-yellow) 50% 75%, var(--kf-ink) 75%);
}

.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	width: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
}

.skip-link {
	position: absolute;
	left: 12px;
	top: -60px;
	z-index: 200;
	padding: 10px 18px;
	background: var(--kf-ink);
	color: #fff;
}

.skip-link:focus {
	top: 12px;
	clip: auto;
	clip-path: none;
	width: auto;
	height: auto;
}

/* ==========================================================================
   2. 按钮
   ========================================================================== */

.kf-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5em;
	padding: 0.82em 1.7em;
	border: 2px solid var(--kf-ink);
	border-radius: 8px;
	font-size: 0.95rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	line-height: 1.2;
	cursor: pointer;
	transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}

.kf-btn .kf-ic {
	flex: none;
}

.kf-btn-magenta {
	background: var(--kf-magenta);
	border-color: var(--kf-magenta-deep);
	color: #fff;
	box-shadow: 3px 3px 0 var(--kf-ink);
}

.kf-btn-magenta:hover {
	color: #fff;
	transform: translate(-2px, -2px);
	box-shadow: 5px 5px 0 var(--kf-ink);
}

.kf-btn-ink {
	background: var(--kf-white);
	color: var(--kf-ink);
	box-shadow: 3px 3px 0 var(--kf-yellow);
}

.kf-btn-ink:hover {
	color: var(--kf-ink);
	transform: translate(-2px, -2px);
	box-shadow: 5px 5px 0 var(--kf-yellow);
}

.kf-btn-lg {
	padding: 1em 2.1em;
	font-size: 1.02rem;
}

.kf-btn-sm {
	padding: 0.55em 1.2em;
	font-size: 0.87rem;
}

.kf-btn-block {
	width: 100%;
}

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

.kf-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255, 255, 255, 0.94);
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border-bottom: 2px solid var(--kf-ink);
	transition: box-shadow 0.25s ease;
}

.kf-header-scrolled {
	box-shadow: 0 10px 26px rgba(26, 26, 26, 0.1);
}

.kf-header-in {
	display: flex;
	align-items: center;
	gap: 28px;
	min-height: 72px;
}

.kf-brand {
	flex: none;
	min-width: 0;
}

.kf-logo {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--kf-ink);
}

.kf-logo:hover {
	color: var(--kf-magenta);
}

.kf-logo-mark {
	flex: none;
	display: inline-flex;
}

.kf-logo-text {
	font-size: 1.26rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	white-space: nowrap;
}

.custom-logo-link {
	display: inline-flex;
	align-items: center;
}

.custom-logo {
	max-height: 50px;
	width: auto;
}

.kf-nav {
	margin-left: auto;
}

.kf-menu {
	display: flex;
	align-items: center;
	gap: 4px;
	list-style: none;
}

.kf-menu a {
	display: inline-block;
	padding: 10px 14px;
	font-size: 0.95rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	color: var(--kf-ink-dim);
	border-radius: 6px;
}

.kf-menu a:hover {
	color: var(--kf-ink);
	background: var(--kf-yellow);
}

.kf-menu .current-menu-item > a,
.kf-menu .current_page_item > a {
	color: var(--kf-ink);
}

.kf-header-cta {
	flex: none;
}

.kf-nav-toggle {
	display: none;
	flex: none;
	width: 44px;
	height: 44px;
	padding: 0;
	background: transparent;
	border: 2px solid var(--kf-ink);
	border-radius: 8px;
	cursor: pointer;
	align-items: center;
	justify-content: center;
}

.kf-nav-toggle-box {
	display: inline-flex;
	flex-direction: column;
	gap: 5px;
	width: 18px;
}

.kf-nav-toggle-box i {
	display: block;
	height: 2.4px;
	background: var(--kf-ink);
	transition: transform 0.25s ease, opacity 0.25s ease;
}

.kf-nav-open .kf-nav-toggle-box i:nth-child(1) {
	transform: translateY(7.4px) rotate(45deg);
}

.kf-nav-open .kf-nav-toggle-box i:nth-child(2) {
	opacity: 0;
}

.kf-nav-open .kf-nav-toggle-box i:nth-child(3) {
	transform: translateY(-7.4px) rotate(-45deg);
}

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

.kf-hero {
	position: relative;
	padding: clamp(52px, 7.5vw, 88px) 0 clamp(44px, 6.5vw, 76px);
	overflow: hidden;
	background:
		radial-gradient(circle at 88% 12%, rgba(0, 183, 235, 0.09) 0 26%, transparent 27%),
		radial-gradient(circle at 6% 78%, rgba(236, 0, 140, 0.07) 0 20%, transparent 21%),
		var(--kf-white);
}

.kf-hero-in {
	display: grid;
	grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
	gap: clamp(28px, 5vw, 56px);
	align-items: center;
}

.kf-hero-title {
	margin: 0 0 22px;
	font-size: clamp(2.3rem, 4.9vw, 3.8rem);
	font-weight: 900;
	line-height: 1.2;
}

.kf-hero-title em {
	font-style: normal;
	color: var(--kf-magenta);
	position: relative;
}

.kf-hero-title em::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0.04em;
	height: 0.28em;
	background: var(--kf-yellow);
	z-index: -1;
}

.kf-hero-sub {
	max-width: 520px;
	margin: 0 0 32px;
	font-size: clamp(1rem, 1.4vw, 1.08rem);
	line-height: 2;
	color: var(--kf-ink-dim);
}

.kf-hero-cta {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
}

.kf-hero-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 28px 0 0;
	list-style: none;
}

.kf-chip {
	padding: 7px 16px;
	font-size: 0.85rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	color: var(--kf-ink);
	border: 2px solid var(--kf-ink);
	border-radius: 999px;
	background: var(--kf-white);
}

.kf-hero-art {
	min-width: 0;
}

.kf-hero-art svg {
	width: 100%;
	height: auto;
	max-width: 520px;
	margin-inline: auto;
	filter: drop-shadow(0 18px 30px rgba(26, 26, 26, 0.14));
}

/* ==========================================================================
   5. 数字
   ========================================================================== */

.kf-stats {
	border-block: 2px solid var(--kf-ink);
	background: var(--kf-paper);
	padding: 40px 0;
}

.kf-stats-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 28px;
	text-align: center;
}

.kf-stat-num {
	margin: 0;
	font-family: var(--kf-mono);
	font-size: clamp(2rem, 3.2vw, 2.7rem);
	font-weight: 700;
	line-height: 1.1;
	color: var(--kf-ink);
}

.kf-stat-num span {
	font-size: 0.5em;
	margin-left: 3px;
	color: var(--kf-magenta);
}

.kf-stat-label {
	margin: 8px 0 0;
	font-size: 0.9rem;
	letter-spacing: 0.06em;
	color: var(--kf-ink-dim);
}

/* ==========================================================================
   6. 区块通用
   ========================================================================== */

.kf-section {
	padding: clamp(72px, 9vw, 104px) 0;
}

.kf-section-alt {
	background: var(--kf-paper);
	border-block: 1px solid var(--kf-line-faint);
}

.kf-section-head {
	max-width: 720px;
	margin: 0 auto clamp(42px, 6vw, 56px);
	text-align: center;
}

.kf-section-head .kf-section-kicker {
	justify-content: center;
}

.kf-section-title {
	margin: 0 0 16px;
	font-size: clamp(1.7rem, 3.4vw, 2.4rem);
	font-weight: 900;
}

.kf-section-sub {
	margin: 0;
	color: var(--kf-ink-dim);
	line-height: 2;
}

/* ==========================================================================
   7. 产品卡（四色角标）
   ========================================================================== */

.kf-services-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.kf-service-card {
	position: relative;
	padding: 32px 28px;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
	overflow: hidden;
	transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.kf-service-card::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 6px;
}

.kf-sc-c::before { background: var(--kf-cyan); }
.kf-sc-m::before { background: var(--kf-magenta); }
.kf-sc-y::before { background: var(--kf-yellow); }
.kf-sc-k::before { background: var(--kf-ink); }

.kf-service-card:hover {
	transform: translate(-2px, -2px);
	box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.85);
}

.kf-service-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	margin-bottom: 18px;
	color: var(--kf-ink);
	border: 2px solid var(--kf-ink);
	border-radius: 10px;
	background: var(--kf-paper);
}

.kf-sc-c .kf-service-icon { background: rgba(0, 183, 235, 0.16); }
.kf-sc-m .kf-service-icon { background: rgba(236, 0, 140, 0.12); }
.kf-sc-y .kf-service-icon { background: rgba(255, 212, 0, 0.28); }
.kf-sc-k .kf-service-icon { background: var(--kf-paper); }

.kf-service-title {
	margin: 0 0 10px;
	font-size: 1.16rem;
	font-weight: 800;
}

.kf-service-text {
	margin: 0;
	font-size: 0.94rem;
	line-height: 1.9;
	color: var(--kf-ink-dim);
}

/* ==========================================================================
   8. 价格速查表
   ========================================================================== */

.kf-price-tablewrap {
	overflow-x: auto;
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
	background: var(--kf-white);
	box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.85);
}

.kf-price-table {
	width: 100%;
	min-width: 560px;
	border-collapse: collapse;
	font-size: 0.96rem;
}

.kf-price-table th {
	padding: 14px 18px;
	text-align: left;
	font-size: 0.86rem;
	font-weight: 800;
	letter-spacing: 0.1em;
	color: #fff;
	background: var(--kf-ink);
}

.kf-price-table td {
	padding: 13px 18px;
	border-top: 1px solid var(--kf-line-soft);
	color: var(--kf-ink-dim);
}

.kf-price-table td:first-child {
	font-weight: 700;
	color: var(--kf-ink);
}

.kf-price-table td:nth-child(3) {
	font-family: var(--kf-mono);
	font-weight: 700;
	color: var(--kf-magenta);
}

.kf-price-table tbody tr:nth-child(even) {
	background: var(--kf-paper);
}

.kf-price-note {
	margin: 18px 0 0;
	text-align: center;
	font-size: 0.86rem;
	color: var(--kf-ink-faint);
}

/* ==========================================================================
   9. 案例
   ========================================================================== */

.kf-cases-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.kf-case-card {
	overflow: hidden;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
	transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.kf-case-card:hover {
	transform: translate(-2px, -2px);
	box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.85);
}

.kf-case-art {
	aspect-ratio: 16 / 10;
	border-bottom: 2px solid var(--kf-ink);
}

.kf-case-art svg {
	width: 100%;
	height: 100%;
}

.kf-case-body {
	padding: 20px 22px 24px;
}

.kf-case-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 12px;
}

.kf-tag {
	padding: 3px 11px;
	font-family: var(--kf-mono);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	color: #fff;
	background: var(--kf-cyan);
	border-radius: 4px;
}

.kf-tag + .kf-tag {
	background: var(--kf-magenta);
}

.kf-case-title {
	margin: 0 0 8px;
	font-size: 1.06rem;
	font-weight: 800;
	line-height: 1.55;
}

.kf-case-meta {
	margin: 0;
	font-size: 0.87rem;
	color: var(--kf-ink-faint);
}

.kf-cases-note {
	margin: 26px 0 0;
	text-align: center;
	font-size: 0.84rem;
	color: var(--kf-ink-faint);
}

/* ==========================================================================
   10. 流程
   ========================================================================== */

.kf-process {
	position: relative;
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 26px;
	list-style: none;
}

.kf-process::before {
	content: "";
	position: absolute;
	top: 26px;
	left: 5%;
	right: 5%;
	height: 2px;
	background: repeating-linear-gradient(90deg, var(--kf-ink) 0 14px, transparent 14px 26px);
	opacity: 0.3;
}

.kf-process-step {
	position: relative;
}

.kf-step-num {
	position: relative;
	z-index: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 52px;
	height: 52px;
	margin-bottom: 16px;
	font-family: var(--kf-mono);
	font-size: 1rem;
	font-weight: 700;
	color: var(--kf-ink);
	background: var(--kf-yellow);
	border: 2px solid var(--kf-ink);
	border-radius: 10px;
	box-shadow: 0 0 0 6px var(--kf-paper);
}

.kf-section .kf-step-num {
	box-shadow: 0 0 0 6px var(--kf-white);
}

.kf-section-alt .kf-step-num {
	box-shadow: 0 0 0 6px var(--kf-paper);
}

.kf-step-title {
	margin: 0 0 8px;
	font-size: 1.1rem;
	font-weight: 800;
}

.kf-step-text {
	margin: 0;
	font-size: 0.9rem;
	line-height: 1.85;
	color: var(--kf-ink-dim);
}

/* ==========================================================================
   11. 口碑
   ========================================================================== */

.kf-voices-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.kf-voice-card {
	position: relative;
	margin: 0;
	padding: 34px 28px 28px;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
}

.kf-voice-card::before {
	content: "“";
	position: absolute;
	top: 0;
	left: 20px;
	font-family: Georgia, serif;
	font-size: 3.6rem;
	line-height: 1;
	color: var(--kf-magenta);
}

.kf-voice-text {
	margin: 0 0 18px;
	border: 0;
	padding: 10px 0 0;
	font-size: 0.96rem;
	line-height: 2;
	color: var(--kf-ink-dim);
}

.kf-voice-who {
	font-family: var(--kf-mono);
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: var(--kf-ink);
}

.kf-voice-who::before {
	content: "— ";
}

/* ==========================================================================
   12. FAQ
   ========================================================================== */

.kf-faq-wrap {
	max-width: 860px;
}

.kf-faq {
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
	overflow: hidden;
}

.kf-faq-item {
	border-bottom: 1px solid var(--kf-line-soft);
	padding: 0 24px;
}

.kf-faq-item:last-child {
	border-bottom: 0;
}

.kf-faq-q {
	position: relative;
	padding: 20px 44px 20px 0;
	font-size: 1.02rem;
	font-weight: 800;
	cursor: pointer;
	list-style: none;
	transition: color 0.2s ease;
}

.kf-faq-q::-webkit-details-marker {
	display: none;
}

.kf-faq-q:hover {
	color: var(--kf-magenta);
}

.kf-faq-q::after {
	content: "+";
	position: absolute;
	right: 2px;
	top: 50%;
	transform: translateY(-50%);
	font-size: 1.5rem;
	font-weight: 400;
	color: var(--kf-magenta);
	transition: transform 0.25s ease;
}

.kf-faq-item[open] .kf-faq-q::after {
	transform: translateY(-50%) rotate(45deg);
}

.kf-faq-a {
	padding: 0 32px 22px 0;
	color: var(--kf-ink-dim);
	line-height: 2;
}

.kf-faq-a p {
	margin: 0;
}

/* ==========================================================================
   13. 联系 CTA（黑底四色）
   ========================================================================== */

.kf-cta-band {
	position: relative;
	padding: clamp(72px, 9vw, 100px) 0;
	background: var(--kf-ink);
}

.kf-cta-band::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 6px;
	background: linear-gradient(90deg, var(--kf-cyan) 0 25%, var(--kf-magenta) 25% 50%, var(--kf-yellow) 50% 75%, #fff 75%);
}

.kf-cta-in {
	display: grid;
	grid-template-columns: 1.15fr minmax(0, 0.85fr);
	gap: clamp(32px, 5vw, 64px);
	align-items: center;
}

.kf-cta-kicker {
	color: var(--kf-yellow);
}

.kf-cta-title {
	margin: 0 0 18px;
	font-size: clamp(1.7rem, 3.2vw, 2.4rem);
	font-weight: 900;
	line-height: 1.36;
	color: #fff;
}

.kf-cta-sub {
	margin: 0;
	color: rgba(255, 255, 255, 0.72);
	line-height: 2;
}

.kf-contact-card {
	padding: 36px 34px;
	text-align: center;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: 16px;
	box-shadow: 8px 8px 0 var(--kf-magenta);
}

.kf-contact-label {
	margin: 0 0 8px;
	font-family: var(--kf-mono);
	font-size: 0.8rem;
	letter-spacing: 0.12em;
	color: var(--kf-ink-faint);
}

.kf-contact-phone {
	display: inline-block;
	margin-bottom: 20px;
	font-family: var(--kf-mono);
	font-size: clamp(1.6rem, 2.6vw, 2.1rem);
	font-weight: 700;
	letter-spacing: 0.02em;
	color: var(--kf-ink);
}

.kf-contact-phone:hover {
	color: var(--kf-magenta);
}

.kf-contact-addr {
	margin: 18px 0 0;
	font-size: 0.85rem;
	color: var(--kf-ink-faint);
}

/* ==========================================================================
   14. 页脚
   ========================================================================== */

.kf-footer {
	background: #121212;
	color: rgba(255, 255, 255, 0.78);
	padding-top: 62px;
	border-top: 6px solid;
	border-image: linear-gradient(90deg, var(--kf-cyan) 0 25%, var(--kf-magenta) 25% 50%, var(--kf-yellow) 50% 75%, #fff 75%) 1;
}

.kf-footer-grid {
	display: grid;
	grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
	gap: 40px;
	padding-bottom: 50px;
}

.kf-footer-logo {
	margin: 0 0 14px;
	font-size: 1.35rem;
	font-weight: 900;
	letter-spacing: 0.08em;
	color: #fff;
}

.kf-footer-blurb {
	margin: 0 0 20px;
	max-width: 340px;
	font-size: 0.9rem;
	line-height: 2;
	color: rgba(255, 255, 255, 0.55);
}

.kf-footer-contact {
	list-style: none;
	display: grid;
	gap: 8px;
	font-size: 0.92rem;
}

.kf-footer-contact a {
	color: var(--kf-yellow);
}

.kf-footer-contact a:hover {
	color: #ffe566;
}

.kf-footer-title {
	margin: 0 0 20px;
	font-family: var(--kf-mono);
	font-size: 0.86rem;
	font-weight: 700;
	letter-spacing: 0.22em;
	color: var(--kf-cyan);
}

.kf-footer-links {
	list-style: none;
	display: grid;
	gap: 12px;
}

.kf-footer-links a {
	font-size: 0.92rem;
	color: rgba(255, 255, 255, 0.68);
}

.kf-footer-links a:hover {
	color: #fff;
}

.kf-footer-legal {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 8px 24px;
	padding: 20px 0;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.kf-footer-legal p {
	margin: 0;
	font-size: 0.82rem;
	color: rgba(255, 255, 255, 0.45);
}

.kf-footer-legal a {
	color: rgba(255, 255, 255, 0.45);
}

.kf-footer-legal a:hover {
	color: #fff;
}

/* ==========================================================================
   15. 移动咨询条 & 提示
   ========================================================================== */

.kf-mobilebar {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 90;
	display: none;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	background: rgba(255, 255, 255, 0.97);
	-webkit-backdrop-filter: blur(12px);
	backdrop-filter: blur(12px);
	border-top: 2px solid var(--kf-ink);
}

.kf-mobilebar-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 15px 10px;
	font-size: 0.98rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	border: 0;
	cursor: pointer;
}

.kf-mobilebar-tel {
	background: var(--kf-magenta);
	color: #fff;
}

.kf-mobilebar-tel:hover {
	color: #fff;
}

.kf-mobilebar-wx {
	background: var(--kf-yellow);
	color: var(--kf-ink);
}

.kf-toast {
	position: fixed;
	left: 50%;
	bottom: 92px;
	z-index: 120;
	transform: translateX(-50%);
	max-width: min(92vw, 420px);
	padding: 12px 24px;
	font-size: 0.92rem;
	color: #fff;
	background: var(--kf-ink);
	border-radius: 8px;
	box-shadow: 4px 4px 0 var(--kf-magenta);
	opacity: 0;
	transition: opacity 0.25s ease;
}

.kf-toast-show {
	opacity: 1;
}

/* ==========================================================================
   16. 子页 / 文章
   ========================================================================== */

.kf-page-hero {
	position: relative;
	padding: clamp(56px, 8vw, 84px) 0 clamp(38px, 6vw, 56px);
	text-align: center;
	background: var(--kf-paper);
	border-bottom: 2px solid var(--kf-ink);
}

.kf-page-hero .kf-kicker {
	justify-content: center;
}

.kf-page-title {
	margin: 0 0 14px;
	font-size: clamp(1.8rem, 3.6vw, 2.5rem);
	font-weight: 900;
}

.kf-page-sub {
	max-width: 560px;
	margin: 0 auto;
	color: var(--kf-ink-dim);
}

.kf-article-head .kf-article-meta {
	margin: 0;
	font-family: var(--kf-mono);
	font-size: 0.82rem;
	color: var(--kf-ink-faint);
}

.kf-article-body {
	max-width: 820px;
	padding-top: clamp(40px, 6vw, 56px);
	padding-bottom: clamp(60px, 8vw, 88px);
}

.kf-prose {
	font-size: 1.04rem;
	line-height: 2.05;
	color: #444440;
}

.kf-prose p {
	margin: 1.35em 0;
}

.kf-prose h2,
.kf-prose h3,
.kf-prose h4 {
	color: var(--kf-ink);
	margin: 2em 0 0.8em;
	font-weight: 800;
}

.kf-prose h2 {
	font-size: 1.45rem;
	padding-left: 14px;
	border-left: 6px solid var(--kf-magenta);
}

.kf-prose h3 {
	font-size: 1.2rem;
	color: var(--kf-cyan);
}

.kf-prose h4 {
	font-size: 1.05rem;
}

.kf-prose ul,
.kf-prose ol {
	margin: 1.3em 0;
	padding-left: 1.6em;
}

.kf-prose li {
	margin: 0.5em 0;
}

.kf-prose li::marker {
	color: var(--kf-magenta);
}

.kf-prose a {
	text-decoration: underline;
	text-underline-offset: 4px;
	text-decoration-thickness: 2px;
	text-decoration-color: var(--kf-yellow);
}

.kf-prose img {
	border: 2px solid var(--kf-ink);
	border-radius: 10px;
	margin: 1.6em auto;
}

.kf-prose blockquote {
	margin: 1.8em 0;
	padding: 18px 24px;
	background: rgba(255, 212, 0, 0.18);
	border-left: 5px solid var(--kf-ink);
	border-radius: 0 10px 10px 0;
}

.kf-prose blockquote p {
	margin: 0;
}

.kf-prose hr {
	margin: 2.4em 0;
	border: 0;
	height: 6px;
	background: linear-gradient(90deg, var(--kf-cyan) 0 25%, var(--kf-magenta) 25% 50%, var(--kf-yellow) 50% 75%, var(--kf-ink) 75%);
}

.kf-prose table {
	width: 100%;
	margin: 1.8em 0;
	border-collapse: collapse;
	font-size: 0.95rem;
	border: 2px solid var(--kf-ink);
}

.kf-prose th,
.kf-prose td {
	padding: 10px 14px;
	border: 1px solid var(--kf-line-soft);
	text-align: left;
}

.kf-prose th {
	background: var(--kf-ink);
	color: #fff;
}

.kf-prose code {
	padding: 2px 8px;
	font-family: var(--kf-mono);
	background: var(--kf-paper);
	border: 1px solid var(--kf-line-soft);
	border-radius: 4px;
	font-size: 0.86em;
}

.kf-article-cta {
	margin: 56px 0;
	padding: 30px 32px;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: 14px;
	box-shadow: 6px 6px 0 var(--kf-yellow);
}

.kf-article-cta-title {
	margin: 0 0 8px;
	font-size: 1.3rem;
	font-weight: 900;
	color: var(--kf-ink);
}

.kf-article-cta-sub {
	margin: 0 0 18px;
	font-size: 0.94rem;
	color: var(--kf-ink-dim);
}

.kf-article-cta-btns {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.kf-related {
	margin-top: 56px;
}

.kf-related-title {
	font-size: 1.2rem;
	font-weight: 800;
	letter-spacing: 0.05em;
	margin-bottom: 10px;
}

.kf-related-list {
	list-style: none;
	border-top: 2px solid var(--kf-ink);
}

.kf-related-list li {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 20px;
	padding: 14px 0;
	border-bottom: 1px solid var(--kf-line-soft);
}

.kf-related-list a {
	color: var(--kf-ink-dim);
}

.kf-related-list a:hover {
	color: var(--kf-magenta);
}

.kf-related-list span {
	flex: none;
	font-family: var(--kf-mono);
	font-size: 0.78rem;
	color: var(--kf-ink-faint);
}

.kf-post-nav {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 20px;
	margin-top: 48px;
	font-size: 0.92rem;
}

.kf-post-nav-next {
	text-align: right;
}

.kf-post-nav a {
	color: var(--kf-ink-dim);
}

.kf-post-nav a:hover {
	color: var(--kf-magenta);
}

/* ==========================================================================
   17. 文章列表卡片
   ========================================================================== */

.kf-posts-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 22px;
}

.kf-post-card {
	overflow: hidden;
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: var(--kf-radius);
	transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.kf-post-card:hover {
	transform: translate(-2px, -2px);
	box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.85);
}

.kf-post-card-link {
	display: block;
	color: inherit;
}

.kf-post-thumb {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	border-bottom: 2px solid var(--kf-ink);
}

.kf-post-thumb img,
.kf-post-thumb svg {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.kf-post-card-body {
	padding: 20px 22px 24px;
}

.kf-post-date {
	margin: 0 0 8px;
	font-family: var(--kf-mono);
	font-size: 0.76rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	color: var(--kf-ink-faint);
}

.kf-post-card-title {
	margin: 0 0 10px;
	font-size: 1.06rem;
	font-weight: 800;
	line-height: 1.6;
	color: var(--kf-ink);
}

.kf-post-card-link:hover .kf-post-card-title {
	color: var(--kf-magenta);
}

.kf-post-card-excerpt {
	margin: 0 0 14px;
	font-size: 0.9rem;
	line-height: 1.9;
	color: var(--kf-ink-dim);
}

.kf-post-more {
	font-family: var(--kf-mono);
	font-size: 0.82rem;
	font-weight: 700;
	color: var(--kf-magenta);
}

.kf-pagination {
	margin-top: 48px;
}

.kf-pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
}

.kf-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	min-height: 40px;
	padding: 4px 16px;
	font-family: var(--kf-mono);
	font-size: 0.88rem;
	font-weight: 700;
	color: var(--kf-ink);
	border: 2px solid var(--kf-ink);
	border-radius: 8px;
	background: var(--kf-white);
}

.kf-pagination a.page-numbers:hover {
	background: var(--kf-yellow);
}

.kf-pagination .page-numbers.current {
	color: #fff;
	background: var(--kf-magenta);
	border-color: var(--kf-magenta-deep);
}

/* ==========================================================================
   18. 搜索 / 空态 / 404
   ========================================================================== */

.kf-searchform {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
}

.kf-search-input {
	width: min(380px, 100%);
	padding: 13px 20px;
	font-size: 0.95rem;
	font-family: inherit;
	color: var(--kf-ink);
	background: var(--kf-white);
	border: 2px solid var(--kf-ink);
	border-radius: 8px;
	transition: box-shadow 0.16s ease;
}

.kf-search-input::placeholder {
	color: var(--kf-ink-faint);
}

.kf-search-input:focus {
	outline: none;
	box-shadow: 4px 4px 0 var(--kf-cyan);
}

.kf-empty {
	max-width: 520px;
	margin: 0 auto;
	text-align: center;
	display: grid;
	gap: 18px;
	justify-items: center;
}

.kf-empty-title {
	margin: 0;
	font-size: 1.5rem;
	font-weight: 900;
}

.kf-empty-sub {
	margin: 0;
	color: var(--kf-ink-dim);
}

.kf-error404 {
	text-align: center;
}

.kf-error-code {
	margin: 0 0 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.12em;
	font-family: var(--kf-mono);
	font-size: clamp(5rem, 14vw, 8rem);
	font-weight: 700;
	line-height: 1;
	color: var(--kf-ink);
}

.kf-error-reg {
	display: inline-flex;
}

.kf-error-actions {
	display: grid;
	gap: 22px;
	justify-items: center;
	margin-top: 34px;
}

/* ==========================================================================
   19. WordPress 核心兼容
   ========================================================================== */

.alignleft {
	float: left;
	margin: 0.5em 1.5em 1em 0;
}

.alignright {
	float: right;
	margin: 0.5em 0 1em 1.5em;
}

.aligncenter {
	display: block;
	margin-inline: auto;
}

.wp-caption {
	max-width: 100%;
}

.wp-caption-text {
	font-size: 0.85rem;
	color: var(--kf-ink-faint);
	text-align: center;
	margin-top: 8px;
}

.sticky {
	display: block;
}

.bypostauthor {
	display: block;
}

/* ==========================================================================
   20. 响应式
   ========================================================================== */

@media (max-width: 1080px) {
	.kf-services-grid,
	.kf-cases-grid,
	.kf-voices-grid,
	.kf-posts-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.kf-process {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 32px 26px;
	}

	.kf-process::before {
		display: none;
	}
}

@media (max-width: 900px) {
	.kf-nav {
		position: fixed;
		top: 78px;
		left: 0;
		right: 0;
		z-index: 99;
		margin: 0;
		padding: 12px 24px 28px;
		background: rgba(255, 255, 255, 0.99);
		border-bottom: 2px solid var(--kf-ink);
		opacity: 0;
		visibility: hidden;
		transform: translateY(-8px);
		transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
	}

	.kf-nav-open .kf-nav {
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
	}

	.kf-menu {
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
	}

	.kf-menu a {
		display: block;
		padding: 14px 10px;
		font-size: 1.02rem;
		border-bottom: 1px solid var(--kf-line-soft);
	}

	.kf-nav-toggle {
		display: inline-flex;
	}

	.kf-header-cta {
		margin-left: auto;
	}

	.kf-header-in {
		gap: 14px;
	}

	.kf-hero-in {
		grid-template-columns: minmax(0, 1fr);
		text-align: center;
	}

	.kf-hero-copy .kf-kicker {
		justify-content: center;
	}

	.kf-hero-sub {
		margin-inline: auto;
	}

	.kf-hero-cta,
	.kf-hero-chips {
		justify-content: center;
	}

	.kf-hero-art {
		order: -1;
	}

	.kf-hero-art svg {
		max-width: 420px;
	}

	.kf-cta-in {
		grid-template-columns: minmax(0, 1fr);
	}

	.kf-cta-copy {
		text-align: center;
	}

	.kf-cta-copy .kf-cta-kicker {
		justify-content: center;
	}

	.kf-footer-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 768px) {
	.kf-header-cta {
		display: none;
	}

	.kf-nav-toggle {
		margin-left: auto;
	}

	.kf-mobilebar {
		display: grid;
	}

	body {
		padding-bottom: 58px;
	}

	.kf-toast {
		bottom: 76px;
	}

	.kf-stats-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 30px 16px;
	}

	.kf-post-nav {
		grid-template-columns: minmax(0, 1fr);
	}

	.kf-post-nav-next {
		text-align: left;
	}
}

@media (max-width: 600px) {
	.kf-container {
		width: min(1180px, 100% - 40px);
	}

	.kf-services-grid,
	.kf-cases-grid,
	.kf-voices-grid,
	.kf-posts-grid,
	.kf-process {
		grid-template-columns: minmax(0, 1fr);
	}

	.kf-hero-cta .kf-btn {
		width: 100%;
	}

	.kf-hero-title {
		font-size: clamp(1.9rem, 9vw, 2.3rem);
	}

	.kf-footer-grid {
		grid-template-columns: minmax(0, 1fr);
		gap: 34px;
	}

	.kf-footer-legal {
		flex-direction: column;
		gap: 4px;
	}

	.kf-article-cta-btns .kf-btn {
		width: 100%;
	}
}

/* ==========================================================================
   21. 动效偏好
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
	}
}