/*
Theme Name: udmachining
Theme URI: https://www.protolabs.com/
Author: udmachining Theme
Description: A modern WordPress theme inspired by Protolabs - a B2B digital manufacturing services website with a deep navy color scheme. Features hero banner, certifications strip, customer logos, service tabs, news grid, production lifecycle, industries served, mega menu navigation, and more.
Version: 2.0.0
Requires at least: 5.8
Tested up to: 6.5
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: udmachining
Tags: manufacturing, industrial, b2b, corporate, dark-blue, responsive, custom-colors, custom-menu, custom-logo, featured-images, threaded-comments, translation-ready
*/

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* 配色令牌 - Protolabs 风格 */
  --color-primary: #1A334F;          /* 主色: Protolabs 深海军蓝 (标题/导航/模块标题) */
  --color-primary-dark: #0E1F2E;
  --color-primary-light: #2A4A6B;
  --color-accent: #F6A800;           /* CTA 黄/橙色 (询盘按钮 - Protolabs 风格) */
  --color-accent-hover: #DE9700;     /* hover加深 */
  --color-accent-active: #B07800;
  --color-accent-disabled: #F2D9A0;
  --color-disabled: #e1e8ed;
  --color-bg: #ffffff;
  --color-bg-alt: #F2F4F7;           /* Protolabs 浅灰交替背景 */
  --color-bg-dark: #1A334F;
  --color-text: #1A1A1A;             /* 深灰正文/标题 */
  --color-text-light: #4A5568;       /* 段落浅灰 */
  --color-text-inverse: #ffffff;
  --color-border: #D5DCE3;
  --color-border-dark: #2A4A6B;
  --color-success: #00a86b;
  --color-gradient-start: #1A334F;
  --color-gradient-end: #2A4A6B;

  /* 语义色令牌 */
  --color-on-primary: #ffffff;
  --color-on-primary-muted: rgba(255, 255, 255, 0.8);
  --color-on-accent: #ffffff;

  /* 字体族 */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* 字号阶梯 */
  --fs-h1: clamp(2rem, 4vw, 2.5rem);   /* 32–40px */
  --fs-h2: clamp(1.625rem, 3vw, 1.875rem); /* 26–30px */
  --fs-h3: clamp(1.25rem, 2vw, 1.5rem); /* 20–24px */
  --fs-h4: 1.125rem;                   /* 18px */
  --fs-h5: 1rem;
  --fs-h6: 0.9375rem;
  --fs-lead: 1.125rem;                 /* 18px lead */
  --fs-small: 0.875rem;                /* 14px 辅助小字 */
  --fs-label: 0.8125rem;

  /* 字重阶梯 */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* 行高 */
  --lh-tight: 1.2;
  --lh-base: 1.6;
  --lh-loose: 1.7;

  /* 间距阶梯 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 64px;
  --section-gap: 80px;
  --section-gap-sm: 48px;

  /* 圆角阶梯 - Protolabs 更锐利转角 */
  --radius-sm: 2px;
  --radius: 2px;
  --radius-lg: 4px;
  --radius-pill: 2px;

  /* 阴影阶梯 - 使用 Protolabs navy */
  --shadow-xs: 0 1px 3px rgba(26, 51, 79, 0.06);
  --shadow-sm: 0 2px 6px rgba(26, 51, 79, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 51, 79, 0.10);
  --shadow-lg: 0 8px 32px rgba(26, 51, 79, 0.14);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-focus: 0 0 0 3px rgba(246, 168, 0, 0.20);

  /* 渐变令牌 - Protolabs navy + 0.55 遮罩 */
  --hero-overlay: linear-gradient(135deg, rgba(26,51,79,0.55) 0%, rgba(42,74,107,0.45) 100%);
  --page-header-overlay: linear-gradient(135deg, rgba(26,51,79,0.85) 0%, rgba(42,74,107,0.78) 100%);
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);

  /* 断点令牌 */
  --bp-desktop: 1280px;
  --bp-tablet: 1199px;
  --bp-mobile: 768px;
  --bp-small: 360px;

  /* 容器与过渡 - Protolabs 更宽容器 */
  --container-max: 1280px;
  --container-padding: 24px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Heading 默认近黑；深蓝/反白处由 section 语义选择器显式覆盖 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
h5 { font-size: var(--fs-h5); }
h6 { font-size: var(--fs-h6); }

p {
  margin-bottom: 1.5em;
  color: var(--color-text-light);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-hover);
}

/* 表单基础：focus 深蓝环 */
input:focus,
textarea:focus,
select:focus {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-color: var(--color-primary);
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Buttons (开发文档 §3.4: 圆角4px, Primary橙色, Secondary白底深蓝边框) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

/* 主按钮 = CTA橙金色 */
.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-on-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 次按钮 = 白底 + 深蓝边框 + 深蓝字 */
.btn-secondary {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-2px);
}

.btn-light {
  background: var(--color-bg);
  color: var(--color-primary);
}

.btn-light:hover {
  background: var(--color-bg-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-white {
  background: var(--color-bg);
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* 浅色区的 outline：深蓝边框+深蓝字 */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* Dark 区（hero/cta/testimonials）下的 outline：白边框+白字 */
.hero-section .btn-outline,
.cta-section .btn-outline,
.testimonials-section .btn-outline {
  color: var(--color-on-primary);
  border-color: var(--color-on-primary);
}

.hero-section .btn-outline:hover,
.cta-section .btn-outline:hover,
.testimonials-section .btn-outline:hover {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-bg);
}

/* Header（白背景 + 深字，参考站风格） */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg);
  transition: all var(--transition);
  box-shadow: var(--shadow-xs);
}

.site-header .top-bar {
  background: transparent;
  color: var(--color-text-light);
  padding: 6px 0;
  font-size: 0.8125rem;
  border-bottom: 1px solid var(--color-border);
}

.site-header .top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-header .top-bar a {
  color: var(--color-text-light);
}

.site-header .top-bar a:hover {
  color: var(--color-primary);
}

.main-header {
  padding: 16px 0;
}

.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-logo img {
  height: 40px;
  width: auto;
}

.site-logo .logo-text {
  color: var(--color-text);
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 0;
  transition: color var(--transition);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current-menu-parent > a {
  color: var(--color-primary);
}

/* Submenu indicator - support both custom and WordPress classes */
.main-navigation li.has-submenu > a::after,
.main-navigation li.menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
  transition: transform var(--transition);
}

.main-navigation li.has-submenu:hover > a::after,
.main-navigation li.menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}

/* ===== Megamenu 下拉菜单 (参考站样式) ===== */
.main-navigation .sub-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 560px;
  max-width: 720px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 20px 48px rgba(10, 37, 64, 0.14);
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  opacity: 0;
  visibility: hidden;
  z-index: 200;
  transition: all 0.25s ease;
}

/* 三角小箭头指向父导航项 */
.main-navigation .sub-menu::before {
  content: '';
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 14px;
  height: 14px;
  background: #fff;
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  z-index: 199;
}

.main-navigation li.has-submenu:hover > .sub-menu,
.main-navigation li.menu-item-has-children:hover > .sub-menu {
  display: grid;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* 下拉链接 - 卡片样式 (参考站: hover 品牌色透明背景) */
.main-navigation .sub-menu a {
  display: block;
  color: var(--color-text);
  font-size: 0.90625rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  white-space: normal;
  line-height: 1.4;
  transition: all 0.2s ease;
}

.main-navigation .sub-menu a:hover {
  background: rgba(10, 37, 64, 0.08);
  border-color: rgba(10, 37, 64, 0.2);
  color: var(--color-primary);
}

/* 单层下拉 (<=4个) 单列紧凑 */
.main-navigation .sub-menu > li:first-child:nth-last-child(-n+4):last-child,
.main-navigation .sub-menu > li:first-child:nth-last-child(-n+4),
.main-navigation .sub-menu > li:first-child:nth-last-child(-n+4) ~ li {
  /* <=4 时使用单列 (通过 WP 菜单一般 >5 项才使用双列) */
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-language {
  color: var(--color-text);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-language:hover {
  color: var(--color-primary);
}

.header-login {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
}

.header-login:hover {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

/* Hero 遮罩：令牌化渐变（覆盖图片） */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-overlay);
  z-index: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

/* Hero 内容容器 - 左对齐 (参考站布局) */
.hero-content {
  text-align: left;
  max-width: 640px;
  margin-right: auto;
}

.hero-section .hero-badge {
  display: inline-block;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 28px;
  background: transparent;
  border: none;
  padding: 0;
}

.hero-section h1 {
  color: var(--color-on-primary);
  margin-bottom: 24px;
  text-align: left;
}

.hero-section .hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 0 40px;
  line-height: 1.7;
  text-align: left;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* 暗色区域 outline 按钮 (白色描边 + 悬停实心) */
.btn-outline--light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  text-decoration: none;
  line-height: 1.5;
}

.btn-outline--light:hover {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

/* Section common */
.section {
  padding: var(--section-gap) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
  color: var(--color-on-primary);
}

.section--dark p {
  color: var(--color-on-primary-muted);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section--dark .section-title {
  color: var(--color-on-primary);
}

/* Dark 容器内显式反白标题 */
.hero-section .section-title,
.testimonials-section .section-title,
.quality-section .section-title,
.cta-section .section-title {
  color: var(--color-on-primary);
}

.hero-section .section-description,
.testimonials-section .section-description,
.quality-section .section-description,
.cta-section .section-description {
  color: rgba(255, 255, 255, 0.85);
}

.section-description {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* Services Grid - 4 columns like rapiddirect.com */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  border: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.service-card:hover .service-card-image img {
  transform: scale(1.06);
}

.service-card-body {
  padding: 20px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-icon,
.service-card .service-link {
  display: none !important;
}

.service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 10px;
  line-height: 1.3;
}

.service-card h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.service-card h3 a:hover {
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  font-size: 0.875rem;
}

/* About Page - Mission & Values Cards */
/* Override .service-icon display:none and .service-card padding:0 for about page */
.about-mission-section .services-grid,
.about-values-section .services-grid {
  grid-template-columns: repeat(3, 1fr);
}

.about-values-section .services-grid {
  grid-template-columns: repeat(4, 1fr);
}

.about-mission-section .service-card,
.about-values-section .service-card {
  padding: 40px 32px;
  text-align: center;
  align-items: center;
  gap: 0;
}

.about-mission-section .service-icon,
.about-values-section .service-icon {
  display: flex !important;
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.about-mission-section .service-card h3,
.about-values-section .service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.about-mission-section .service-card p,
.about-values-section .service-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .about-mission-section .services-grid,
  .about-values-section .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .about-mission-section .services-grid,
  .about-values-section .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Quality Page - Inspection Equipment & Documentation Cards */
/* Override .service-icon display:none and .service-card padding:0 for quality page */
.quality-equipment-section .services-grid,
.quality-documentation-section .services-grid {
  grid-template-columns: repeat(3, 1fr);
}

.quality-equipment-section .service-card,
.quality-documentation-section .service-card {
  padding: 36px 28px;
  text-align: center;
  align-items: center;
}

.quality-equipment-section .service-icon,
.quality-documentation-section .service-icon {
  display: flex !important;
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.quality-equipment-section .service-card h3,
.quality-documentation-section .service-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.quality-equipment-section .service-card p,
.quality-documentation-section .service-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 0;
}

@media (max-width: 991px) {
  .quality-equipment-section .services-grid,
  .quality-documentation-section .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .quality-equipment-section .services-grid,
  .quality-documentation-section .services-grid {
    grid-template-columns: 1fr;
  }
}

/* Trusted Manufacturing Partner Section */
.partner-section {
  background: var(--color-bg-alt);
}

.partner-intro {
  max-width: 960px;
  margin-bottom: 48px;
}

.partner-title {
  color: var(--color-text);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: left;
  margin-bottom: 20px;
}

.partner-desc {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.8;
  text-align: left;
  margin: 0;
}

.partner-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
  padding: 40px 32px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.partner-stat {
  text-align: center;
  position: relative;
}

.partner-stat:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -12px;
  top: 15%;
  bottom: 15%;
  width: 1px;
  background: var(--color-border);
}

.partner-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 10px;
}

.partner-stat-label {
  font-size: 0.95rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.partner-factories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.partner-factory-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border-top: 4px solid transparent;
}

.partner-factory-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--color-primary);
}

.partner-factory-name {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.partner-factory-meta {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.partner-factory-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.partner-factory-field dt {
  color: var(--color-text-light);
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0;
}

.partner-factory-field dd {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  text-align: right;
}

/* Features Section */
.features-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.features-content h2 {
  color: var(--color-primary);
  margin-bottom: 24px;
}

.features-list {
  list-style: none;
  margin: 32px 0;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.features-list li:last-child {
  border-bottom: none;
}

.features-list .feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-primary);
}

.features-list .feature-text h4 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.features-list .feature-text p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.features-image {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--color-on-primary);
}

.features-image .features-visual {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-stat {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.feature-stat .stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-on-primary);
  margin-bottom: 8px;
}

.feature-stat .stat-label {
  font-size: 0.875rem;
  color: var(--color-on-primary-muted);
}

/* Testimonials/Social Proof */
.testimonials-section {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.testimonials-section h2,
.testimonials-section .section-label {
  color: var(--color-on-primary);
}

.testimonials-section .section-label {
  color: var(--color-accent);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.testimonial-card .quote-icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 16px;
  line-height: 1;
}

.testimonial-card p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #ff8c5a 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.testimonial-info .author-name {
  font-weight: 600;
  color: var(--color-on-primary);
}

.testimonial-info .author-title {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Process Section */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.step-number {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-on-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.3);
}

.process-step h3 {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.process-step p {
  color: var(--color-text-light);
}

/* NPI Solutions / Tabs */
.tabs-section {
  background: var(--color-bg-alt);
}

.tabs-container {
  max-width: 100%;
}

/* Tab Navigation - 4列卡片 (参考站: 灰底白字, active深蓝) */
.tabs-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-bottom: 40px;
}

.tab-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 10px 20px;
  background: #b8b8b8;
  color: #fff;
  font-weight: 400;
  font-size: 0.9375rem;
  border: none;
  border-radius: 16px;
  transition: all var(--transition);
  cursor: pointer;
  gap: 12px;
}

.tab-button i {
  font-size: 2.1875rem;  /* 35px 参考站 */
  color: #fff;
  transition: all var(--transition);
}

.tab-button span {
  line-height: 1.3;
}

.tab-button:hover {
  background: #a8a8a8;
  transform: translateY(-2px);
}

.tab-button.active {
  background: var(--color-primary);
  color: #fff;
}

.tab-button.active i {
  color: #fff;
}

/* Tab Content */
.tab-content {
  display: none;
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tab Content Layout: 双栏 左图(30%) 右文(70%) (参考站 1920px) */
.tab-content-layout {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 40px;
  align-items: start;
}

.tab-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.tab-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tab-details {
  padding-left: 0;
}

.tab-details h3 {
  color: var(--color-primary);
  margin-bottom: 16px;
  font-size: 1.375rem;  /* 22px 参考站 */
  font-weight: 600;
}

.tab-intro {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 32px;
  font-size: 1rem;
}

/* Feature List - 纵向列表, 对勾图标 (参考站: 无圆圈, 直接对勾字形) */
.tab-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0;
  margin: 0;
}

.tab-feature-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.tab-feature-icon {
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 2px;
}

.tab-feature-text h4 {
  color: var(--color-text);
  font-size: 1rem;  /* 16px 参考站 */
  margin-bottom: 4px;
  font-weight: 700;
  display: inline;
}

.tab-feature-text p {
  color: var(--color-text);
  font-size: 1rem;  /* 16px 参考站 */
  line-height: 1.7;
  margin: 0;
  display: inline;
}

/* CTA - inside tabs-container, matches tab-content card style */
.tabs-cta {
  text-align: center;
  margin-top: 24px;
  padding: 40px 48px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.tabs-cta h3 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.tabs-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Quality Assurance */
.quality-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-on-primary);
}

.quality-section h2 {
  color: var(--color-on-primary);
}

.quality-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.quality-feature {
  text-align: center;
  padding: 40px 28px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.quality-feature:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.quality-feature .quality-icon {
  width: 72px;
  height: 72px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.75rem;
}

.quality-feature h4 {
  color: var(--color-text);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.quality-feature p {
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* Resources/Blog */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.resource-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.resource-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.resource-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 3rem;
}

.resource-body {
  padding: 28px;
}

.resource-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.resource-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.resource-card h3 a {
  color: var(--color-primary);
}

.resource-card h3 a:hover {
  color: var(--color-accent);
}

.resource-excerpt {
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}

.resource-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.resource-more:hover {
  color: var(--color-accent-hover);
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-toggle {
  background: var(--color-primary);
  transform: rotate(45deg);
}

.faq-item.active .faq-toggle::before {
  content: '';
  width: 14px;
  height: 2px;
  background: var(--color-bg);
  border-radius: 1px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding-bottom: 24px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* CTA Section（深色底图 + 渐变遮罩令牌化） */
.cta-section {
  background: var(--color-primary);
  color: var(--color-on-primary);
  text-align: center;
  position: relative;
  z-index: 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(135deg, rgba(10,37,64,0.82) 0%, rgba(26,58,92,0.78) 100%);
  z-index: 0;
}

.cta-section > .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: var(--color-on-primary);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer（深近黑 #0b1220，参考站风格） */
.site-footer {
  background: #0b1220;
  color: rgba(255, 255, 255, 0.72);
  padding: 80px 0 0;
}

.site-footer h1,
.site-footer h2,
.site-footer h3,
.site-footer h4,
.site-footer h5,
.site-footer h6 {
  color: #fff;
}

.footer-widgets {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-widget h4 {
  color: #fff;
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-widget ul {
  list-style: none;
}

.footer-widget li {
  margin-bottom: 12px;
}

.footer-widget a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-widget p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
}

.footer-brand img,
.footer-logo-img {
  max-height: 48px;
  width: auto;
  display: block;
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item .contact-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.footer-contact-item .contact-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
}

.footer-contact-item .contact-text strong {
  color: #fff;
  display: block;
  margin-bottom: 2px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

/* Inner Pages（page-header 渐变由 --page-header-overlay ::before 承载） */
.page-header {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  z-index: 0;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--page-header-overlay);
  z-index: 0;
}

.page-header > * {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: var(--color-on-primary);
  margin-bottom: 16px;
}

.page-header p {
  color: var(--color-on-primary-muted);
  font-size: 1.125rem;
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumbs {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.breadcrumbs a {
  color: var(--color-on-primary-muted);
}

.breadcrumbs a:hover {
  color: var(--color-on-primary);
}

.breadcrumbs span {
  margin: 0 8px;
}

/* ===== Core Advantages (开发文档 §4.1.2) ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.advantage-card h3 {
  font-size: var(--fs-h4);
  color: var(--color-text);
  margin-bottom: 8px;
  font-weight: 700;
}

.advantage-card p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ===== Industry Solutions (开发文档 §4.1.4) ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}

.industry-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.industry-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  color: var(--color-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.industry-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}

.industry-card p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ===== Bottom CTA with Form (开发文档 §4.1.10) ===== */
.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-text-side h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-text-side p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.cta-contact-methods {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-contact-methods li {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cta-contact-methods i {
  color: var(--color-accent);
  font-size: 1.125rem;
}

.cta-form-side {
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.cta-inquiry-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.cta-inquiry-form .form-input {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition);
}

.cta-inquiry-form .form-input:focus {
  border-color: var(--color-primary);
}

.cta-inquiry-form .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  font-family: var(--font-body);
  resize: vertical;
  margin-bottom: 12px;
  outline: none;
}

.cta-inquiry-form .form-textarea:focus {
  border-color: var(--color-primary);
}

.form-file-upload {
  margin-bottom: 16px;
}

.form-file-upload .file-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  font-size: var(--fs-small);
  color: var(--color-text-light);
  cursor: pointer;
  transition: border-color var(--transition);
}

.form-file-upload .file-label:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.form-file {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-small);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* Blog/Archive */
.post-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  height: 100%;
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.post-thumbnail {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.post-body {
  padding: 28px;
}

.post-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.post-card h2 {
  font-size: 1.375rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.post-card h2 a {
  color: var(--color-primary);
}

.post-card h2 a:hover {
  color: var(--color-accent);
}

.post-excerpt {
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.post-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.post-category {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Single Post - limit width only for actual blog posts, not service pages */
.single-post:not(.single-service) {
  max-width: 800px;
  margin: 0 auto;
}

/* Override: ensure service pages span full width */
.single-service {
  max-width: none;
}

.single-post .post-header {
  margin-bottom: 48px;
}

.single-post .post-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.single-post .post-content {
  line-height: 1.8;
  font-size: 1.0625rem;
}

.single-post .post-content h2 { font-size: 1.75rem; margin-top: 48px; }
.single-post .post-content h3 { font-size: 1.375rem; margin-top: 32px; }
.single-post .post-content p { margin-bottom: 1.5em; }
.single-post .post-content ul,
.single-post .post-content ol {
  margin-bottom: 1.5em;
  padding-left: 1.5em;
}

.single-post .post-content li {
  margin-bottom: 0.5em;
}

.single-post .post-content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 16px 24px;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1.5em;
  font-style: italic;
}

/* Contact Form */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-label {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
  min-height: 52px;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-textarea {
  min-height: 140px;
  padding: 14px 16px;
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

/* Responsive */
/* 平板：≤1199px（R7） */
@media (max-width: 1199px) {
  /* 导航下拉: 平板宽度收缩 */
  .main-navigation .sub-menu {
    min-width: 420px;
    grid-template-columns: 1fr;
  }

  /* Hero: 平板宽度保持左对齐 */
  .hero-content {
    max-width: 100%;
  }

  /* Core Advantages: 2列 */
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Industries: 3列 */
  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Bottom CTA: 单列堆叠 */
  .cta-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-widgets {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .features-section {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .tab-content-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .tabs-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }

  .partner-stat:nth-child(2)::after {
    display: none;
  }

  .partner-factories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }

  /* Advantages: 1列 */
  .advantages-grid {
    grid-template-columns: 1fr;
  }

  /* Industries: 2列 */
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* CTA form: 输入框单列 */
  .cta-inquiry-form .form-row {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-card-body {
    padding: 24px;
  }

  .main-navigation {
    display: none;
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

  .main-navigation.active {
    display: flex;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .main-navigation li.has-submenu > .sub-menu,
  .main-navigation li.menu-item-has-children > .sub-menu {
    position: static;
    display: none;
    box-shadow: none;
    padding-left: 16px;
  }

  .main-navigation li.has-submenu.active > .sub-menu,
  .main-navigation li.menu-item-has-children.active > .sub-menu,
  .main-navigation li.menu-item-has-children.toggled > .sub-menu {
    display: flex;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-section {
    padding: 120px 0 60px;
  }

  .hero-logos {
    gap: 24px;
  }

  .footer-widgets {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .tab-content-layout {
    gap: 24px;
  }

  .tabs-nav {
    grid-template-columns: 1fr 1fr;
  }

  .tabs-cta {
    padding: 28px 24px;
  }

  .tab-image {
    aspect-ratio: 16 / 9;
  }

  .tab-button {
    padding: 24px 8px 16px;
  }

  .partner-title {
    font-size: 1.75rem;
  }

  .partner-stats {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 24px;
  }

  .partner-stat::after {
    display: none;
  }

  .partner-factories {
    grid-template-columns: 1fr;
  }

  .partner-factory-card {
    padding: 24px;
  }

  /* 触控目标尺寸对齐参考站移动端 */
  .btn,
  .header-cta,
  .mobile-menu-toggle,
  .main-navigation a,
  .faq-question,
  .category-filter,
  .tab-button {
    min-height: 44px;
  }

  /* 移动端字号缩放 */
  .hero-section h1 {
    font-size: 2rem;
  }

  .hero-section .hero-subtitle {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .footer-widgets {
    grid-template-columns: 1fr;
  }

  /* Hero: 超窄屏按钮和stats全宽单列 */
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .tabs-nav {
    grid-template-columns: 1fr;
  }

  .tab-image {
    aspect-ratio: 4 / 3;
  }

  .tabs-cta-buttons {
    flex-direction: column;
  }

  .tabs-cta-buttons .btn {
    width: 100%;
  }
}

/* Utility */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

/* ==========================================================================
   Floating Customer Service Widget (jdkshaving.com style)
   悬浮客服 — 深海军蓝 + 黄色 CTA 配色，与主题其它按钮保持一致
   ========================================================================== */
.floating-contact {
  position: fixed;
  bottom: 24px;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  --fc-size: 56px;
  --fc-radius: 30px;
  --fc-bg: var(--color-primary);
  --fc-bg-dark: var(--color-primary-dark);
  --fc-accent: var(--color-accent);
  --fc-text: #ffffff;
  --fc-muted: rgba(255, 255, 255, 0.7);
  --fc-panel-bg: #ffffff;
  --fc-panel-text: var(--color-text);
  --fc-panel-border: var(--color-border);
  --fc-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.floating-contact.fc-side-left {
  left: 24px;
  align-items: flex-start;
}

.floating-contact.fc-side-right {
  right: 24px;
  align-items: flex-end;
}

/* ---- Main toggle button ---- */
.fc-toggle {
  position: relative;
  width: var(--fc-size);
  height: var(--fc-size);
  border: none;
  border-radius: var(--fc-radius);
  background: var(--fc-bg);
  color: var(--fc-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--fc-shadow);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}

.fc-toggle:hover,
.fc-toggle:focus-visible {
  background: var(--fc-bg-dark);
  transform: translateY(-2px);
  outline: none;
}

.fc-toggle .fc-toggle-icon,
.fc-toggle .fc-close-icon {
  font-size: 22px;
  line-height: 1;
  transition: opacity 0.2s ease, transform 0.25s ease;
}

.fc-toggle .fc-close-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

.floating-contact.is-open .fc-toggle {
  background: var(--fc-bg-dark);
}

.floating-contact.is-open .fc-toggle .fc-toggle-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

.floating-contact.is-open .fc-toggle .fc-close-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
}

/* Pulse ring — 轻微脉动提醒 */
.fc-pulse {
  position: absolute;
  inset: 0;
  border-radius: var(--fc-radius);
  background: var(--fc-accent);
  opacity: 0;
  z-index: -1;
  animation: fc-pulse 2.4s ease-out infinite;
}

.floating-contact.is-open .fc-pulse {
  animation: none;
  opacity: 0;
}

@keyframes fc-pulse {
  0%   { transform: scale(1);   opacity: 0; }
  35%  { transform: scale(1);    opacity: 0.35; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---- Panel ---- */
.fc-panel {
  width: 320px;
  max-width: calc(100vw - 48px);
  background: var(--fc-panel-bg);
  color: var(--fc-panel-text);
  border-radius: 18px;
  box-shadow: var(--fc-shadow);
  overflow: hidden;
  border: 1px solid var(--fc-panel-border);
  transform-origin: bottom right;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}

.floating-contact.fc-side-left .fc-panel {
  transform-origin: bottom left;
}

.floating-contact.is-open .fc-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Header */
.fc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--fc-bg) 0%, var(--color-primary-light) 100%);
  color: var(--fc-text);
}

.fc-header-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.fc-header-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.fc-header-text strong {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
}

.fc-header-text span {
  font-size: 12.5px;
  color: var(--fc-muted);
  line-height: 1.3;
}

/* List */
.fc-list {
  list-style: none;
  margin: 0;
  padding: 8px;
}

.fc-item {
  margin: 0;
  padding: 0;
}

.fc-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  background: transparent;
  border: none;
  width: 100%;
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: background 0.18s ease, transform 0.18s ease;
}

.fc-link:hover,
.fc-link:focus-visible {
  background: var(--color-bg-alt);
  text-decoration: none;
  outline: none;
}

.fc-link:active {
  transform: scale(0.98);
}

.fc-link-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: #fff;
  background: var(--fc-bg);
  transition: background 0.18s ease;
}

.fc-item-whatsapp .fc-link-icon   { background: #25D366; }
.fc-item-email .fc-link-icon      { background: #EA4335; }
.fc-item-skype .fc-link-icon      { background: #00AFF0; }
.fc-item-wechat .fc-link-icon     { background: #07C160; }
.fc-item-phone .fc-link-icon      { background: var(--fc-bg); }
.fc-item-custom .fc-link-icon    { background: var(--fc-accent); }

.fc-link-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
  min-width: 0;
}

.fc-link-text strong {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
}

.fc-link-text em {
  font-size: 13px;
  color: var(--color-text-light);
  font-style: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fc-link-arrow {
  flex-shrink: 0;
  color: var(--color-text-light);
  font-size: 12px;
  opacity: 0.5;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.fc-link:hover .fc-link-arrow {
  transform: translateX(3px);
  opacity: 1;
}

/* Footer */
.fc-footer {
  padding: 10px 20px 14px;
  font-size: 12px;
  color: var(--color-text-light);
  border-top: 1px solid var(--fc-panel-border);
  background: var(--color-bg-alt);
  text-align: center;
}

/* WeChat QR modal */
.fc-wechat-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.fc-wechat-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.fc-wechat-modal-inner {
  position: relative;
  background: #fff;
  padding: 28px 24px 24px;
  border-radius: 16px;
  text-align: center;
  max-width: 320px;
  width: calc(100vw - 48px);
  transform: scale(0.92);
  transition: transform 0.22s ease;
}

.fc-wechat-modal.is-open .fc-wechat-modal-inner {
  transform: scale(1);
}

.fc-wechat-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.18s ease, color 0.18s ease;
}

.fc-wechat-close:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.fc-wechat-qr {
  width: 240px;
  height: 240px;
  max-width: 100%;
  margin: 0 auto 12px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--fc-panel-border);
  border-radius: 8px;
}

.fc-wechat-qr:empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fc-wechat-qr:empty::before {
  content: "\f1c0";
  font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands", "FontAwesome";
  font-weight: 900;
  font-size: 64px;
  color: var(--color-text-light);
  opacity: 0.4;
}

.fc-wechat-tip {
  font-size: 14px;
  color: var(--color-text-light);
  margin: 0;
}

/* ---- Mobile responsive ---- */
@media (max-width: 480px) {
  .floating-contact {
    bottom: 16px;
  }
  .floating-contact.fc-side-left  { left: 16px; }
  .floating-contact.fc-side-right { right: 16px; }

  .fc-panel {
    width: 300px;
    max-width: calc(100vw - 32px);
  }

  .fc-header { padding: 16px 16px; }
  .fc-header-text strong { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .fc-toggle,
  .fc-panel,
  .fc-wechat-modal,
  .fc-wechat-modal-inner,
  .fc-link,
  .fc-link-arrow,
  .fc-pulse {
    transition: none !important;
    animation: none !important;
  }
}

/* Accessibility */
.screen-reader-text {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 12px 24px;
  border-radius: var(--radius);
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
}

/* Spec Table - 服务详情页技术规格表格 */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.spec-table thead {
  background: var(--color-primary);
}

.spec-table thead th {
  color: var(--color-on-primary);
  font-weight: var(--fw-semibold);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.spec-table tbody tr:nth-child(odd) {
  background: var(--color-bg);
}

.spec-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.spec-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--fs-small);
}

.spec-table tbody tr:last-child td {
  border-bottom: none;
}

/* Form Validation - 联系表单校验提示 */
.form-error {
  display: block;
  color: var(--color-accent);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  margin-top: var(--space-1);
}

.form-input.is-invalid {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

/* Resources Empty State - 资源页空状态 */
.resources-empty {
  text-align: center;
  padding: var(--space-6) 0;
  color: var(--color-text-light);
}

.resources-empty h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.resources-empty p {
  margin-bottom: var(--space-4);
}

/* Focus styles - 聚焦环 */
.form-input:focus,
.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

/* Ultra-narrow viewport fallback - 超窄视口防溢出兜底 */
@media (max-width: 360px) {
  :root {
    --fs-h1: 1.75rem;
    --fs-h2: 1.5rem;
    --fs-h3: 1.25rem;
    --fs-h4: 1.125rem;
    --fs-h5: 1rem;
    --fs-lead: 1.125rem;
  }

  body {
    font-size: 0.875rem;
  }

  .container {
    padding: 0 12px;
  }

  .section {
    padding: 60px 0;
  }

  .hero-section {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-logos {
    gap: var(--space-3);
  }

  .main-navigation ul {
    gap: var(--space-2);
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 1rem;
  }
}