/* ============================================
   长沙净安澜环境科技有限公司 - 官网全局样式
   设计风格：工业技术感 / 环保工程
   ============================================ */

/* ========== CSS Variables ========== */
:root {
  /* 主色系 - 深青绿，沉稳工业感 */
  --color-primary: #0D4F4A;
  --color-primary-dark: #07332E;
  --color-primary-light: #14706A;
  --color-secondary: #0F766E;

  /* 点缀色 - 工业琥珀，用于数据/编号/强调 */
  --color-amber: #C2410C;
  --color-amber-light: #EA580C;
  --color-amber-bg: #FEF3C7;

  /* 中性色 - 暖灰系，避免冷冰冰的纯灰 */
  --color-bg-light: #F5F5F4;
  --color-bg-lighter: #FAFAF9;
  --color-bg-stone: #E7E5E4;
  --color-white: #FFFFFF;
  --color-text: #1C1917;
  --color-text-light: #57534E;
  --color-text-muted: #78716C;
  --color-border: #D6D3D1;
  --color-border-light: #E7E5E4;
  --color-border-dark: #78716C;
  --color-overlay: rgba(7, 51, 46, 0.92);

  /* 字体 */
  --font-sans: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Consolas", "SF Mono", "Courier New", monospace;

  /* 圆角 - 锐利工业感 */
  --radius-sm: 2px;
  --radius-md: 3px;
  --radius-lg: 4px;
  --radius-full: 999px;

  /* 阴影 - 极简，以边框替代 */
  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 2px 8px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 4px 16px rgba(28, 25, 23, 0.1);

  --transition: all 0.2s ease;
  --transition-slow: all 0.4s ease;

  --header-height: 68px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Selection */
::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.svg-icon {
  width: 1em;
  height: 1em;
  object-fit: contain;
  flex-shrink: 0;
}

ul, ol {
  list-style: none;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }

p {
  margin-bottom: 1em;
  color: var(--color-text-light);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: var(--color-white); }
.text-primary { color: var(--color-primary); }
.text-amber { color: var(--color-amber); }
.text-muted { color: var(--color-text-muted); }
.text-mono { font-family: var(--font-mono); }

/* ========== Layout ========== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

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

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

.section-bg-dark h2,
.section-bg-dark h3,
.section-bg-dark h4 {
  color: var(--color-white);
}

.section-bg-dark p {
  color: rgba(255, 255, 255, 0.75);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mt-xl { margin-top: 40px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.mb-xl { margin-bottom: 40px; }

.padding-top { padding-top: 60px !important; }

/* ========== Section Header - 左对齐工业编号风格 ========== */
.section-header {
  margin-bottom: 48px;
  position: relative;
}

.section-header .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-amber);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header .section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-amber);
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header p {
  font-size: 1rem;
  max-width: 600px;
  color: var(--color-text-light);
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .section-tag {
  justify-content: center;
}

.section-header.text-center p {
  margin: 0 auto;
}

/* ========== Buttons - 工业风方形按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

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

.btn-outline-green {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border-dark);
}

.btn-outline-green:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-accent {
  background: var(--color-amber);
  color: var(--color-white);
  border-color: var(--color-amber);
}

.btn-accent:hover {
  background: var(--color-amber-light);
  color: var(--color-white);
  border-color: var(--color-amber-light);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 1rem;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.82rem;
}

.btn:active {
  transform: scale(0.97);
}

/* ========== Header & Navigation ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-primary);
  box-shadow: 0 8px 28px rgba(7, 51, 46, 0.08);
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .logo-name {
  font-size: 1.02rem;
}

.logo-text .logo-sub {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-backdrop {
  position: fixed;
  inset: var(--header-height) 0 0;
  z-index: 999;
  background: rgba(7, 51, 46, 0.48);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}

.nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

body.nav-open {
  overflow: hidden;
}

.nav a {
  display: block;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  background: transparent;
  border-bottom-color: var(--color-amber);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.header-phone:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.header-phone .svg-icon {
  width: 15px;
  height: 15px;
  filter: brightness(0) invert(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-switcher {
  position: relative;
}

.language-switcher summary {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher summary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.language-logo { width: 22px; height: 16px; object-fit: cover; flex: 0 0 auto; }
.language-chevron { width: 6px; height: 6px; margin-left: 2px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform var(--transition); }
.language-switcher[open] .language-chevron { transform: rotate(225deg) translate(-1px, -1px); }
.language-menu { position: absolute; top: calc(100% + 10px); right: 0; width: 176px; padding: 7px; border: 1px solid var(--color-border); background: var(--color-white); box-shadow: var(--shadow-lg); }
.language-menu a { display: flex; align-items: center; gap: 9px; width: 100%; padding: 10px 11px; color: var(--color-text-light); font: inherit; text-align: left; }
.language-menu a:hover { background: var(--color-bg-light); color: var(--color-primary); }

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

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

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Hero Section - 实色背景+网格纹理 ========== */
.hero {
  position: relative;
  min-height: 580px;
  padding: 120px 0 64px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  overflow: hidden;
}

/* 网格纹理替代波浪 */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* 左侧琥珀色竖条装饰 */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--color-amber);
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.85);
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--color-amber);
  border-radius: 50%;
}

.hero h1 {
  font-size: 2.8rem;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.hero h1 span {
  color: var(--color-amber);
  font-size: 1.6rem;
  font-weight: 600;
  display: block;
  margin-top: 8px;
  letter-spacing: 0;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-keywords {
  display: flex;
  gap: 0;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.hero-keywords span {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
}

.hero-keywords span:first-child {
  padding-left: 0;
}

.hero-keywords span:last-child {
  border-right: none;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-item {
  padding: 24px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-item:last-child {
  border-right: none;
}

.hero-stat-item .stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-amber);
  line-height: 1;
  font-family: var(--font-mono);
}

.hero-stat-item .stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 8px;
}

/* ========== Page Banner (Inner Pages) ========== */
.page-banner {
  position: relative;
  padding: 110px 0 48px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  overflow: hidden;
}

.page-banner-title {
  margin-bottom: 10px;
  color: var(--color-white);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-banner::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--color-amber);
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.page-banner h1 {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 12px;
  font-weight: 900;
}

.page-banner .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-mono);
}

.page-banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
}

.page-banner .breadcrumb a:hover {
  color: var(--color-white);
}

.page-banner .breadcrumb span {
  color: var(--color-amber);
}

/* ========== Divider (replaces wave) ========== */
.divider-line {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

/* ========== Cards - 边框驱动，无圆角无阴影 ========== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
}

.card:hover {
  border-color: var(--color-border-dark);
  border-top-color: var(--color-amber);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-body {
  padding: 24px;
}

.card-img {
  width: 100%;
  height: 180px;
  background: var(--color-bg-stone);
  background-image:
    linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 16px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.card-img .img-placeholder {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: var(--color-primary);
  color: var(--color-white);
  flex-shrink: 0;
}

.card-icon .svg-icon {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

.card-icon.icon-secondary {
  background: var(--color-secondary);
}

.card-icon.icon-accent {
  background: var(--color-amber);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

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

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

.card p {
  font-size: 0.92rem;
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 14px;
  font-family: var(--font-mono);
  transition: var(--transition);
}

.card-link:hover {
  color: var(--color-amber);
  gap: 8px;
}

/* 案例详情链接（cases.html 使用） */
.case-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 14px;
  font-family: var(--font-mono);
  transition: var(--transition);
}

.case-link:hover {
  color: var(--color-amber);
  gap: 8px;
}

/* ========== Stats/Metrics ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
}

.stat-box {
  text-align: center;
  padding: 28px 16px;
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  transition: var(--transition);
}

.stat-box:last-child {
  border-right: none;
}

.stat-box:hover {
  background: var(--color-bg-lighter);
}

.stat-box .stat-value {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  font-family: var(--font-mono);
}

.stat-box .stat-value .stat-unit {
  font-size: 1rem;
  color: var(--color-amber);
  font-weight: 700;
}

.stat-box .stat-title {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

.stat-box.dark {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
}

.stat-box.dark .stat-value {
  color: var(--color-amber);
}

.stat-box.dark .stat-title {
  color: rgba(255, 255, 255, 0.6);
}

/* ========== Feature List ========== */
.feature-list {
  display: grid;
  gap: 0;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: none;
  transition: var(--transition);
}

.feature-item:first-child {
  border-top: 1px solid var(--color-border);
}

.feature-item:hover {
  background: var(--color-bg-lighter);
  border-left: 3px solid var(--color-amber);
  padding-left: 21px;
}

.feature-item .feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.feature-item .feature-icon .svg-icon {
  width: 18px;
  height: 18px;
}

.feature-item h4 {
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

/* ========== Content Blocks ========== */
.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.content-block.reverse {
  direction: rtl;
}

.content-block.reverse > * {
  direction: ltr;
}

/* 在支持 grid order 的浏览器中使用更安全的方式 */
@supports (order: 1) {
  .content-block.reverse {
    direction: ltr;
  }
  .content-block.reverse > :first-child {
    order: 2;
  }
  .content-block.reverse > :last-child {
    order: 1;
  }
}

.content-text h2 {
  margin-bottom: 16px;
}

.content-text h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-amber);
  margin-top: 12px;
}

.content-text p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  background: var(--color-primary);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid var(--color-border);
}

.content-visual::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-amber);
}

.content-visual .visual-placeholder {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.95rem;
  text-align: center;
  padding: 40px;
}

.content-visual .svg-icon {
  width: 80%;
  height: auto;
  max-height: 300px;
}

.content-visual .svg-icon:not(.svg-illustration) {
  filter: brightness(0) invert(1);
  opacity: 0.4;
}

/* 公司概况图片固定使用 4:3 比例，避免原始宽高属性在两栏布局中被压缩后产生纵向拉伸。 */
.company-overview-image {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ========== Business/Service Cards ========== */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card .service-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-bg-stone);
  line-height: 1;
  position: absolute;
  top: 16px;
  right: 20px;
  font-family: var(--font-mono);
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  position: relative;
}

.service-card p {
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: var(--color-text-light);
  font-weight: 500;
  border: 1px solid var(--color-border-light);
}

/* ========== Product Cards ========== */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--color-amber);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card .product-img {
  width: 100%;
  height: 170px;
  background: var(--color-bg-stone);
  background-image:
    linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 16px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.product-card .product-img svg {
  width: 56px;
  height: 56px;
  color: var(--color-primary);
  opacity: 0.25;
}

.product-card .product-body {
  padding: 18px 20px;
}

.product-card h3,
.product-card h4 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.product-card .product-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.6;
}

.product-card .product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.product-card .product-tag {
  padding: 2px 8px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  color: var(--color-text-light);
  border: 1px solid var(--color-border-light);
}

/* ========== 首页产品筛选与列表 ========== */
.section-header h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}

.section-header.text-left h3 + p {
  margin-bottom: 0;
}

/* 产品筛选标签栏 */
.product-filter {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

.product-filter-btn {
  padding: 10px 22px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
}

.product-filter-btn:hover {
  color: var(--color-primary);
}

.product-filter-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-amber);
}

.product-filter-btn .filter-count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.product-filter-btn.active .filter-count {
  color: var(--color-amber);
}

/* 筛选产品卡片过渡 */
.product-filter-item {
  transition: opacity 0.3s ease;
}

/* ========== Table Styles ========== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.data-table thead th {
  padding: 12px 20px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-white);
}

.data-table tbody td {
  padding: 12px 20px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border-light);
}

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

.data-table tbody tr:hover {
  background: var(--color-bg-lighter);
}

.data-table .tag-cell {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-amber-bg);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--color-amber);
  font-weight: 600;
}

/* ========== Case/Portfolio Grid ========== */
.case-filter {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

.filter-btn {
  padding: 10px 22px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--color-primary);
}

.filter-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-amber);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.case-card:hover {
  border-color: var(--color-amber);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.case-card .case-img {
  width: 100%;
  height: 180px;
  background: var(--color-primary);
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.case-card .case-img .case-img-text {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
}

.case-card .case-body {
  padding: 22px;
}

.case-card .case-category {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-amber-bg);
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  color: var(--color-amber);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
}

.case-card h3,
.case-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.case-card .case-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.case-card .case-stats {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.case-card .case-stat {
  flex: 1;
}

.case-card .case-stat .stat-num {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.case-card .case-stat .stat-text {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

/* ========== News List ========== */
.news-list {
  display: grid;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 22px 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
  align-items: center;
}

.news-item:hover {
  transform: translateX(4px);
}

.news-item:hover h3 a,
.news-item:hover h4 a {
  color: var(--color-amber);
}

.news-date {
  text-align: left;
  padding: 4px 0;
  border-left: 3px solid var(--color-bg-stone);
  padding-left: 14px;
  transition: border-left-color 0.2s ease;
}

.news-item:hover .news-date {
  border-left-color: var(--color-amber);
}

.news-date .news-day {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
  font-family: var(--font-mono);
}

.news-date .news-month {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.news-content h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.news-content h4 a {
  color: var(--color-text);
  transition: var(--transition);
}

.news-content .news-summary {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.news-content .news-meta {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.news-content .news-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ========== Forms ========== */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--color-amber);
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(13, 79, 74, 0.08);
}

.form-control::placeholder {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  opacity: 1;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230D4F4A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-status {
  margin-top: 12px;
  color: var(--color-text-light);
  font-size: 0.88rem;
  text-align: center;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
}

/* ========== Contact Info ========== */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 36px;
  border: 1px solid var(--color-border);
}

.contact-info-card {
  text-align: left;
  padding: 28px 24px;
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  transition: var(--transition);
}

.contact-info-card:last-child {
  border-right: none;
}

.contact-info-card:hover {
  background: var(--color-bg-lighter);
}

.contact-info-card .contact-icon {
  width: 44px;
  height: 44px;
  margin: 0 0 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.contact-info-card .contact-icon .svg-icon {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.contact-info-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.contact-info-card p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.contact-map {
  width: 100%;
  height: 360px;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ========== Timeline ========== */
.timeline {
  margin-top: 30px;
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-amber);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-border);
}

.timeline-item h4 {
  font-size: 1.02rem;
  margin-bottom: 4px;
}

.timeline-item .timeline-date {
  font-size: 0.82rem;
  color: var(--color-amber);
  font-weight: 700;
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.timeline-item p {
  font-size: 0.88rem;
  margin-bottom: 0;
}

/* ========== Certification Badges ========== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
}

.cert-badge {
  text-align: center;
  padding: 28px 16px;
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  transition: var(--transition);
}

.cert-badge:last-child {
  border-right: none;
}

.cert-badge:hover {
  background: var(--color-bg-lighter);
}

.cert-badge .cert-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.cert-badge .cert-icon .svg-icon {
  width: 28px;
  height: 28px;
}

.cert-badge h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.cert-badge p {
  font-size: 0.82rem;
  margin-bottom: 0;
}

/* ========== CTA Section ========== */
.cta-section {
  position: relative;
  padding: 48px 0;
  background: var(--color-primary-dark);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--color-amber);
}

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

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.cta-copy {
  max-width: 680px;
  text-align: left;
}

.cta-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--color-amber);
  font: 700 0.72rem var(--font-mono);
  letter-spacing: 0.12em;
}

.cta-section h2 {
  color: var(--color-white);
  font-size: 1.65rem;
  margin-bottom: 10px;
  font-weight: 900;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.cta-buttons .btn {
  white-space: nowrap;
}

/* ========== Footer ========== */
.footer {
  position: relative;
  background: #F3F1EB;
  color: var(--color-text-light);
  padding: 58px 0 0;
  border-top: 4px solid var(--color-amber);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.55fr) 0.75fr 0.9fr minmax(250px, 1.25fr);
  gap: clamp(34px, 5vw, 72px);
  padding: 0 0 48px;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand .logo {
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.footer-brand .logo-icon { width: 42px; height: 42px; }
.footer-brand .logo-name { font-size: 1.08rem; }
.footer-brand .logo-sub { color: var(--color-text-muted); }
.footer-kicker { display: block; margin-bottom: 16px; color: var(--color-amber); font: 700 0.68rem var(--font-mono); letter-spacing: 0.12em; }

.footer-brand p {
  max-width: 340px;
  color: var(--color-text-light);
  font-size: 0.88rem;
  line-height: 1.8;
}

.footer-service-note { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.footer-service-note span { padding: 5px 9px; border: 1px solid #D6D0C4; background: rgba(255,255,255,0.5); color: var(--color-primary); font-size: 0.72rem; font-weight: 700; }

.footer-col h4 {
  color: var(--color-text);
  font-size: 0.95rem;
  margin-bottom: 22px;
  font-weight: 700;
}

.footer-col h4::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-amber);
  margin-top: 6px;
}

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

.footer-col ul li a {
  color: var(--color-text-light);
  font-size: 0.88rem;
}

.footer-col ul li a:hover {
  color: var(--color-amber);
}

.footer-contact li {
  display: grid;
  grid-template-columns: 55px minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.footer-contact-label { color: var(--color-text-muted); font-size: 0.78rem; }
.footer-contact a { color: var(--color-primary); font-weight: 700; }

.footer-contact li .svg-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  filter: brightness(0) saturate(100%) invert(31%) sepia(93%) saturate(2108%) hue-rotate(9deg) brightness(93%) contrast(91%);
}

.footer-bottom {
  padding: 20px 0 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.footer-bottom p { margin: 0; color: inherit; }

.footer-bottom a {
  color: var(--color-text-muted);
}

.footer-bottom a:hover {
  color: var(--color-amber);
}

/* ========== Consultation Widget ========== */
.consult-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
}

.consult-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(13, 79, 74, 0.25);
  transition: var(--transition);
}

.consult-btn:hover {
  background: var(--color-amber);
}

.consult-btn svg {
  width: 24px;
  height: 24px;
}

.consult-btn .consult-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  background: var(--color-amber);
  border-radius: 50%;
  border: 2px solid var(--color-white);
}

.consult-panel {
  position: absolute;
  bottom: 62px;
  right: 0;
  width: 320px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  border: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

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

.consult-panel .consult-header {
  padding: 18px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom: 3px solid var(--color-amber);
}

.consult-panel .consult-header h4 {
  color: var(--color-white);
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.consult-panel .consult-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  margin-bottom: 0;
}

.consult-panel .consult-body {
  padding: 18px 20px;
}

.consult-panel .consult-body .form-control {
  margin-bottom: 10px;
  padding: 9px 12px;
  font-size: 0.86rem;
}

.consult-panel .consult-body .btn {
  width: 100%;
  padding: 10px;
  font-size: 0.88rem;
}

.consult-panel .consult-contact {
  padding: 14px 20px;
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border-light);
}

.consult-panel .consult-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.consult-panel .consult-contact-item:last-child {
  margin-bottom: 0;
}

.consult-panel .consult-contact-item svg {
  width: 15px;
  height: 15px;
  color: var(--color-primary);
}

/* ========== Animations ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 1;
  transform: none;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: none;
}

.detail-hero-media {
  margin: 0 0 28px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
}

.detail-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 /3;
  object-fit: cover;
}

.detail-hero-media figcaption {
  padding: 10px 14px;
  color: var(--color-text-light);
  font-size: 0.82rem;
}

/* ========== Utilities ========== */
.bg-light { background: var(--color-bg-light); }
.bg-white { background: var(--color-white); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.shadow { box-shadow: var(--shadow-sm); }
.full-width { width: 100%; }
.hide { display: none; }

.highlight-box {
  padding: 22px 24px;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-amber);
}

.highlight-box h4 {
  color: var(--color-primary);
  margin-bottom: 6px;
}

.highlight-box p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-bg-light);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-weight: 500;
  border: 1px solid var(--color-border-light);
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  margin: 32px 0;
}

/* ========== Accessibility ========== */
:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 2px;
}

.btn:focus-visible,
.form-control:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 2px;
}

/* 跳过导航链接（无障碍） */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 2000;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* ========== Detail Page Layout (case-detail / news-detail / product-detail) ========== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: flex-start;
}

.detail-main { min-width: 0; }

.detail-sidebar {
  position: sticky;
  top: 90px;
}

.detail-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 28px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.detail-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-meta .meta-label {
  color: var(--color-text-muted);
  font-weight: 600;
}

.detail-content {
  font-size: 0.95rem;
  line-height: 1.85;
}

.detail-content h2 {
  font-size: 1.55rem;
  margin: 8px 0 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-border-light);
  position: relative;
}

.detail-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 64px;
  height: 2px;
  background: var(--color-amber);
}

.detail-content h3 {
  font-size: 1.3rem;
  margin: 32px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--color-amber);
}

.detail-content h4 {
  font-size: 1.08rem;
  margin: 22px 0 10px;
  color: var(--color-primary);
}

.detail-content p {
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.detail-content ul {
  list-style: none;
  margin-bottom: 16px;
}

.detail-content ul li {
  padding: 6px 0 6px 20px;
  position: relative;
  color: var(--color-text-light);
  font-size: 0.92rem;
}

.detail-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.3em;
  width: 8px;
  height: 2px;
  background: var(--color-amber);
}

/* 列表项内嵌套段落时，去除段落多余的下边距 */
.detail-content ul li p {
  margin-bottom: 0;
}

.detail-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.detail-content table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 16px;
  text-align: left;
  font-size: 0.88rem;
}

.detail-content table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.88rem;
}

.detail-content table tr:hover td {
  background: var(--color-bg-lighter);
}

/* 详情页上一篇 / 下一篇 */
.detail-pagination {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.detail-pagination-item {
  display: flex;
  min-width: 0;
  min-height: 92px;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  transition: var(--transition);
}

a.detail-pagination-item:hover {
  border-color: var(--color-amber);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.detail-pagination-next {
  text-align: right;
}

.detail-pagination-label {
  color: var(--color-text-muted);
  font: 700 0.74rem var(--font-mono);
  letter-spacing: 0.08em;
}

.detail-pagination-item strong {
  overflow: hidden;
  color: var(--color-primary);
  font-size: 0.92rem;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-pagination-item.is-disabled {
  background: var(--color-bg-lighter);
  opacity: 0.68;
}

.detail-related-products {
  margin-top: 56px;
  padding-top: 38px;
  border-top: 1px solid var(--color-border);
}

/* 产品详情页在线咨询表单 */
.detail-inquiry-form {
  margin-top: 40px;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-lighter);
}

.inquiry-form-desc {
  margin: -8px 0 20px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.detail-inquiry-form .btn {
  margin-top: 4px;
}

.detail-section-heading {
  margin-bottom: 24px;
}

.detail-section-heading span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-amber);
  font: 700 0.72rem var(--font-mono);
  letter-spacing: 0.1em;
}

.detail-section-heading h2 {
  margin: 0;
  font-size: 1.55rem;
}

/* 详情页侧边栏卡片 */
.sidebar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-card h4 {
  font-size: 0.95rem;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-amber);
}

.sidebar-list-item {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.85rem;
  color: var(--color-text-light);
  transition: var(--transition);
}

.sidebar-list-item:last-child { border-bottom: none; }

.sidebar-list-item:hover {
  color: var(--color-amber);
  padding-left: 6px;
}

.sidebar-contact {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border: none;
}

.sidebar-contact h4 { color: var(--color-white); }
.sidebar-contact p { color: rgba(255,255,255,0.7); font-size: 0.85rem; }

.sidebar-contact .phone {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-amber);
  font-family: var(--font-mono);
  margin: 10px 0;
}

.sidebar-cat-group {
  margin-bottom: 6px;
}

.sidebar-cat-group strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-primary);
  margin: 10px 0 6px;
}

/* 新闻列表侧边栏项 */
.news-list-item {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover { padding-left: 6px; }

.news-list-item .nl-title {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 4px;
}

.news-list-item:hover .nl-title { color: var(--color-amber); }

.news-list-item .nl-date {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* 新闻分类侧边栏项 */
.sidebar-cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.85rem;
  color: var(--color-text-light);
  transition: var(--transition);
}

.sidebar-cat-item:last-child { border-bottom: none; }
.sidebar-cat-item:hover { color: var(--color-amber); padding-left: 6px; }

.sidebar-cat-item .cat-count {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

/* 新闻导语 */
.detail-lead {
  padding: 16px 20px;
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
  font-size: 0.98rem;
  color: var(--color-text);
}

/* 产品概述卡片 */
.detail-overview {
  padding: 20px 24px;
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
}

.detail-overview p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* 产品标签徽章 */
.detail-tags {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--color-amber-bg);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--color-amber);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* 案例数据统计卡片 */
.case-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-amber);
  margin-bottom: 32px;
}

.case-stat-cell {
  text-align: center;
  padding: 24px 16px;
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  transition: var(--transition);
}

.case-stat-cell:last-child { border-right: none; }
.case-stat-cell:hover { background: var(--color-bg-lighter); }

.case-stat-cell .stat-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  font-family: var(--font-mono);
}

.case-stat-cell .stat-num .stat-unit {
  font-size: 0.85rem;
  color: var(--color-amber);
  font-weight: 700;
}

.case-stat-cell .stat-text {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* ========== Pagination ========== */
/* ========== Pagination ========== */
.pagelist {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-top: 48px;
  flex-wrap: wrap;
}

.pagelist span {
  display: inline-flex;
}

.pagelist a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  margin-left: -1px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.pagelist span:first-child a {
  margin-left: 0;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.pagelist span:last-child a {
  border-radius: 0 var(--radius-md) var(--radius-md);
}

.pagelist a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-bg-lighter);
  position: relative;
  z-index: 1;
}

.pagelist span.active a {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  position: relative;
  z-index: 2;
  cursor: default;
}

.pagelist span.active a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* 首页/末页/上下页 */
.pagelist .prev-next {
  padding: 0 16px;
  font-size: 0.85rem;
}

.pagelist .prev-next .iconfont {
  font-size: 0.75rem;
  line-height: 1;
}

/* 首页和末页链接首尾圆角 */
.pagelist span:first-child .prev-next {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.pagelist span:last-child .prev-next {
  border-radius: 0 var(--radius-md) var(--radius-md);
}

/* 响应式 */
@media (max-width: 640px) {
  .pagelist {
    gap: 4px;
    margin-top: 32px;
  }

  .pagelist a {
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    font-size: 0.82rem;
    margin-left: 0;
  }

  .pagelist span:first-child a,
  .pagelist span:last-child a {
    border-radius: var(--radius-sm);
  }

  .pagelist .prev-next {
    padding: 0 10px;
    font-size: 0.78rem;
  }
}

/* ========== Print Styles ========== */
@media print {
  .header,
  .footer,
  .consult-widget,
  .cta-section,
  .menu-toggle,
  .header-phone {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero,
  .page-banner,
  .section-bg-dark {
    background: #fff !important;
    color: #000 !important;
  }

  .hero h1,
  .page-banner h1,
  .section-bg-dark h2,
  .section-bg-dark h3 {
    color: #000 !important;
  }

  .section {
    padding: 16px 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .card,
  .service-card,
  .product-card,
  .case-card {
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid .stat-box:nth-child(2) { border-right: none; }
  .stats-grid .stat-box:nth-child(1),
  .stats-grid .stat-box:nth-child(2) { border-bottom: 1px solid var(--color-border); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid .cert-badge:nth-child(2) { border-right: none; }
  .cert-grid .cert-badge:nth-child(1),
  .cert-grid .cert-badge:nth-child(2) { border-bottom: 1px solid var(--color-border); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-info-grid { grid-template-columns: 1fr; }
  .contact-info-card { border-right: none; border-bottom: 1px solid var(--color-border); }
  .contact-info-card:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .hero-stat-item:nth-child(2) { border-right: none; }
  .hero-stats .hero-stat-item:nth-child(1),
  .hero-stats .hero-stat-item:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,0.12); }
}

@media (max-width: 768px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }

  .section { padding: 48px 0; }

  .nav {
    display: flex;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 12px;
    box-shadow: var(--shadow-md);
    gap: 0;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

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

  .nav a {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .header-phone {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero { min-height: auto; padding: 90px 0 48px; }
  .hero h1 { font-size: 1.8rem; }
  .hero h1 span { font-size: 1.1rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 36px; }
  .hero-stats .hero-stat-item { padding: 18px 16px; }
  .hero-stat-item .stat-number { font-size: 1.6rem; }

  .content-block { grid-template-columns: 1fr; gap: 28px; }
  .content-block.reverse { direction: ltr; }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid .stat-box { border-bottom: 1px solid var(--color-border); }
  .stats-grid .stat-box:nth-child(odd) { border-right: 1px solid var(--color-border); }
  .stats-grid .stat-box:nth-child(even) { border-right: none; }

  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid .cert-badge { border-bottom: 1px solid var(--color-border); }
  .cert-grid .cert-badge:nth-child(odd) { border-right: 1px solid var(--color-border); }
  .cert-grid .cert-badge:nth-child(even) { border-right: none; }

  .case-grid { grid-template-columns: 1fr; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }

  /* 详情页响应式 */
  .detail-layout { grid-template-columns: 1fr; gap: 28px; }
  .detail-sidebar { position: static; }
  .case-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .case-stats-grid .case-stat-cell:nth-child(2) { border-right: none; }
  .case-stats-grid .case-stat-cell:nth-child(1),
  .case-stats-grid .case-stat-cell:nth-child(2) { border-bottom: 1px solid var(--color-border); }

  .news-item { grid-template-columns: 70px 1fr; gap: 14px; }
  .news-date .news-day { font-size: 1.3rem; }

  .consult-panel { width: calc(100vw - 40px); }

  .hero-keywords { flex-wrap: wrap; gap: 8px; }
  .hero-keywords span { padding: 4px 12px; border-right: none; border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius-sm); font-size: 0.78rem; }
  .hero-keywords span:first-child { padding-left: 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-grid .stat-box { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stats-grid .stat-box:last-child { border-bottom: none; }
  .cert-grid { grid-template-columns: 1fr; }
  .cert-grid .cert-badge { border-right: none; border-bottom: 1px solid var(--color-border); }
  .cert-grid .cert-badge:last-child { border-bottom: none; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stats .hero-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .hero-stats .hero-stat-item:last-child { border-bottom: none; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; }
}

/* ============================================
   展示型官网视觉优化
   ============================================ */
.section {
  padding: 72px 0;
}

.section + .section:not(.section-bg-light):not(.section-bg-dark) {
  padding-top: 24px;
}

.section-header {
  margin-bottom: 32px;
}

.section-header h2 {
  font-size: clamp(1.65rem, 2.4vw, 2.15rem);
}

.page-banner {
  min-height: 0;
  display: flex;
  align-items: center;
  padding: 94px 0 28px;
}

.page-banner .container {
  width: 100%;
}

.page-banner h1 {
  margin-bottom: 6px;
}

.page-banner-summary {
  max-width: 720px;
  margin: 0 0 12px;
  color: rgba(255,255,255,0.72);
  font-size: 0.94rem;
}

.detail-banner {
  padding: 84px 0 16px;
  background: var(--color-bg-light);
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border-light);
}

.detail-banner::before {
  opacity: 0.35;
}

.detail-banner::after {
  width: 3px;
}

.detail-banner .breadcrumb,
.detail-banner .breadcrumb a,
.detail-banner .breadcrumb span {
  color: var(--color-text-muted);
}

.detail-banner .breadcrumb a:hover {
  color: var(--color-primary);
}

.inner-content-start {
  padding-top: 44px;
}

.section-title-compact {
  margin: 0 0 24px;
  font-size: 1.45rem;
  color: var(--color-text);
}

.section-title-compact::after {
  content: '';
  display: block;
  width: 36px;
  height: 2px;
  margin-top: 10px;
  background: var(--color-amber);
}

/* 静态分类目录：保持导航感，不模拟动态筛选 */
.static-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -8px 0 44px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.static-category-nav a,
.static-category-nav span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  background: var(--color-white);
  font-size: 0.86rem;
  font-weight: 700;
}

.static-category-nav a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(13, 79, 74, 0.04);
}
.static-category-nav a.active {
  border-color: var(--color-primary);
  color: var(--color-white);
  background: var(--color-primary);
}

/* 全站素材色块：固定比例，后续可直接替换为真实图片 */
.media-placeholder,
.product-card .product-img,
.case-card .case-img,
.home-news-media,
.home-about-media,
.home-business-media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(135deg, rgba(13, 79, 74, 0.94), rgba(20, 112, 106, 0.68)),
    var(--color-primary);
}

.media-placeholder::before,
.product-card .product-img::before,
.case-card .case-img::before,
.home-news-media::before,
.home-about-media::before,
.home-business-media::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
}

.media-placeholder::after,
.home-news-media::after,
.home-about-media::after,
.home-business-media::after {
  content: attr(data-label);
  position: absolute;
  left: 22px;
  bottom: 20px;
  color: rgba(255,255,255,0.86);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.product-card,
.case-card,
.news-item,
.contact-info-card {
  border-color: var(--color-border-light);
  box-shadow: 0 8px 26px rgba(7, 51, 46, 0.06);
}

.product-card {
  border-top: 3px solid var(--color-primary);
}

.product-card .product-img {
  aspect-ratio: 4 / 3;
  height: auto;
  color: rgba(255,255,255,0.86);
}

.product-card .product-img img,
.case-card .case-img img,
.home-about-media img,
.home-business-media img,
.home-news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card .product-img span {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  font-weight: 700;
}

.case-card {
  border-bottom: 3px solid var(--color-primary);
}

.case-card .case-img {
  aspect-ratio: 16 / 9;
  height: auto;
}

.case-card .case-img .case-img-text {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  color: var(--color-white);
  font-size: 0.92rem;
  text-align: left;
}

.product-card h3,
.case-card h3,
.news-item h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
  line-height: 1.4;
}

.news-item h3 a {
  color: var(--color-text);
}

.news-item h3 a:hover {
  color: var(--color-amber);
}

.case-card .case-desc,
.product-card .product-desc {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.news-item {
  min-height: 184px;
  padding: 24px;
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-primary);
  background: var(--color-white);
}

.news-item:first-child {
  grid-column: 1 / -1;
  min-height: 210px;
  background: linear-gradient(110deg, rgba(13,79,74,0.06), var(--color-white) 55%);
}

.news-item .news-summary {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.contact-map {
  min-height: 260px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(rgba(13,79,74,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13,79,74,0.08) 1px, transparent 1px),
    var(--color-bg-light);
  background-size: 32px 32px;
  color: var(--color-primary);
  font-weight: 700;
}

/* 首页展示结构 */
.home-about-grid,
.home-business-grid,
.home-news-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.home-about-media,
.home-business-media {
  min-height: 420px;
}

.home-business-grid {
  grid-template-columns: 0.9fr 1.1fr;
}

.home-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 28px 0;
}

.home-feature-item {
  padding: 20px;
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
}

.home-feature-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.home-feature-item span {
  color: var(--color-text-light);
  font-size: 0.88rem;
}

.home-business-list {
  display: grid;
  gap: 1px;
  background: var(--color-border-light);
  border: 1px solid var(--color-border-light);
}

.home-business-item {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 24px;
  background: var(--color-white);
}

.home-business-item .index {
  color: var(--color-amber);
  font: 700 0.9rem var(--font-mono);
}

.home-business-item h3 {
  margin-bottom: 4px;
  font-size: 1.1rem;
}

.home-business-item p {
  margin: 0;
  font-size: 0.86rem;
}

.home-business-item .arrow {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.home-news-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.home-news-media {
  min-height: 390px;
}

.home-news-list {
  border-top: 1px solid var(--color-border);
}

.home-news-link {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.home-news-link time {
  display: block;
  margin-bottom: 6px;
  color: var(--color-amber);
  font: 600 0.76rem var(--font-mono);
}

.home-news-link strong {
  display: block;
  color: var(--color-text);
}

/* 首页重点产品 */
.home-product-category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.home-product-category-nav a {
  min-width: 180px;
  padding: 12px 22px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
}

.home-product-category-nav a:hover,
.home-product-category-nav a:focus-visible {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.home-featured-products {
  margin-top: 0;
  padding-top: 0;
}

.home-subsection-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.home-subsection-heading .section-tag {
  display: block;
  margin-bottom: 8px;
  color: var(--color-amber);
  font: 700 0.72rem var(--font-mono);
  letter-spacing: 0.1em;
}

.home-subsection-heading h3 {
  margin: 0;
  font-size: 1.55rem;
}

.section-more-link {
  color: var(--color-primary);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.featured-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.featured-product-item {
  position: relative;
  /* min-height: 430px; */
  padding: 22px 20px 40px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

.featured-product-index {
  display: block;
  margin-bottom: 14px;
  color: var(--color-amber);
  font: 700 0.78rem var(--font-mono);
}

.featured-product-image {
  display: block;
  aspect-ratio: 4 / 3;
  margin-bottom: 20px;
  overflow: hidden;
  background: var(--color-primary);
}

.featured-product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.featured-product-item:hover .featured-product-image img {
  transform: scale(1.035);
}

.featured-product-type {
  display: block;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.featured-product-item h4 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.featured-product-item p {
  margin: 0;
  font-size: 0.84rem;
}

.featured-product-item > a:not(.featured-product-image) {
  position: absolute;
  right: 22px;
  bottom: 20px;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.featured-product-item:hover {
  background: var(--color-bg-lighter);
}

.home-product-more {
  margin-top: 30px;
  text-align: center;
}

/* 首页新闻增强 */
.home-news-grid {
  align-items: stretch;
}

.home-news-feature {
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  box-shadow: 0 10px 30px rgba(7, 51, 46, 0.07);
}

.home-news-feature .home-news-media {
  display: block;
  min-height: 0;
  aspect-ratio: 16 / 9;
}

.home-news-feature-body {
  padding: 24px 26px 26px;
}

.home-news-meta,
.home-news-link-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.home-news-meta {
  margin-bottom: 12px;
  color: var(--color-text-muted);
  font: 600 0.75rem var(--font-mono);
}

.home-news-meta span,
.home-news-link-top span {
  color: var(--color-amber);
  font-family: var(--font-sans);
  font-weight: 700;
}

.home-news-feature-body h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.45;
}

.home-news-feature-body h3 a {
  color: var(--color-text);
}

.home-news-feature-body p {
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.home-news-link {
  padding: 20px 0;
}

.home-news-link-top {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font: 600 0.72rem var(--font-mono);
}

.home-news-link strong {
  margin-bottom: 7px;
  line-height: 1.45;
}

.home-news-link small {
  display: block;
  color: var(--color-text-light);
  font-size: 0.8rem;
  line-height: 1.65;
}

.home-news-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 24px;
}

/* 联系页：联系概览与需求表单双栏展示 */
.contact-page-layout {
  display: grid;
  grid-template-columns: minmax(330px, 0.78fr) minmax(0, 1.22fr);
  gap: 56px;
  align-items: start;
}

.contact-overview {
  padding: 36px;
  background: var(--color-primary-dark);
  border-top: 4px solid var(--color-amber);
}

.contact-overview-tag { display: block; margin-bottom: 12px; color: #f59e0b; font: 700 0.72rem var(--font-mono); letter-spacing: 0.12em; }
.contact-overview h2 { max-width: 360px; margin-bottom: 14px; color: var(--color-white); font-size: 1.65rem; }
.contact-section-intro {
  max-width: 470px;
  margin: 0 0 28px;
  color: rgba(255,255,255,0.66);
}

.contact-info-grid {
  grid-template-columns: 1fr;
  margin-bottom: 0;
  border: 0;
  border-top: 1px solid rgba(255,255,255,0.13);
}

.contact-info-card a {
  color: inherit;
}

.contact-overview .contact-info-card { display: flex; gap: 16px; align-items: center; padding: 19px 0; border: 0; border-bottom: 1px solid rgba(255,255,255,0.1); background: transparent; }
.contact-overview .contact-info-card:hover { background: transparent; }
.contact-overview .contact-info-card .contact-icon { width: 38px; height: 38px; margin: 0; background: rgba(255,255,255,0.09); }
.contact-overview .contact-info-card .contact-icon .svg-icon { width: 18px; height: 18px; }
.contact-overview .contact-info-card h4 { margin-bottom: 2px; color: rgba(255,255,255,0.5); font-size: 0.76rem; font-weight: 600; }
.contact-overview .contact-info-card p { color: var(--color-white); font-size: 0.92rem; }
.contact-response-note { display: flex; flex-direction: column; gap: 3px; margin: 24px 0 0; color: rgba(255,255,255,0.5); font-size: 0.78rem; }
.contact-response-note strong { color: #fbbf24; font-size: 0.86rem; }

.contact-form-panel {
  padding: 36px;
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  box-shadow: 0 10px 30px rgba(7, 51, 46, 0.06);
}

#contact-form {
  scroll-margin-top: 96px;
}

.contact-form-panel .highlight-box {
  margin: -36px -36px 30px;
  padding: 28px 36px;
  border-left: 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-form-panel .highlight-box h3 {
  margin-bottom: 6px;
  font-size: 1.3rem;
}

@media (max-width: 1024px) {
  .featured-product-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-page-layout { grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr); gap: 28px; }
  .footer-grid { grid-template-columns: minmax(280px, 1.25fr) minmax(220px, 1fr); gap: 38px 64px; }
  .cta-inner { align-items: flex-start; flex-direction: column; gap: 26px; }
  .cta-buttons { justify-content: flex-start; }
}

.menu-toggle,
.consult-btn {
  appearance: none;
  padding: 0;
  border: 0;
}

/* 展示型官网保留页内和页脚联系方式，不使用重复悬浮咨询入口 */
.consult-widget {
  display: none;
}

.nocn .section-header p,
.nocn .home-feature-item span {
  line-height: 1.4;
}
.nocn .home-feature-item{
  padding: 15px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 768px) {
  .header .container { gap: 12px; }
  .header-actions { margin-left: auto; gap: 8px; }
  .language-menu { position: fixed; top: var(--header-height); left: 16px; right: 16px; width: auto; }
  .section { padding: 52px 0; }
  .section + .section:not(.section-bg-light):not(.section-bg-dark) { padding-top: 12px; }
  .page-banner { min-height: 0; padding: 86px 0 24px; }
  .page-banner-summary { font-size: 0.88rem; }
  .detail-banner { padding: 78px 0 12px; }
  .detail-pagination { grid-template-columns: 1fr; margin-top: 32px; }
  .detail-pagination-next { text-align: left; }
  .detail-related-products { margin-top: 42px; padding-top: 30px; }
  .inner-content-start { padding-top: 32px; }
  .page-banner-title { font-size: 1.7rem; }
  .static-category-nav { margin-bottom: 32px; }
  .news-list { grid-template-columns: 1fr; }
  .news-item:first-child { grid-column: auto; }
  .home-about-grid,
  .home-business-grid,
  .home-news-grid { grid-template-columns: 1fr; gap: 30px; }
  .home-business-media { order: -1; }
  .home-about-media,
  .home-business-media,
  .home-news-media { min-height: 280px; }
  .home-feature-list { grid-template-columns: 1fr; }
  .home-product-category-nav { gap: 10px; margin-bottom: 26px; }
  .home-product-category-nav a { flex: 1 1 calc(50% - 5px); min-width: 0; padding: 11px 14px; }
  .home-featured-products { margin-top: 0; padding-top: 0; }
  .home-subsection-heading { align-items: flex-start; }
  .featured-product-grid { grid-template-columns: 1fr; }
  .featured-product-item { min-height: 210px; }
  .home-product-more { margin-top: 24px; }
  .home-news-feature-body { padding: 20px; }
  .home-news-actions { align-items: flex-start; flex-direction: column; }
  .contact-page-layout { grid-template-columns: 1fr; gap: 24px; }
  .contact-overview { padding: 28px 22px; }
  .contact-section-intro { margin-top: 0; }
  .contact-info-grid { grid-template-columns: 1fr; }
  .contact-form-panel { padding: 22px 18px; }
  .contact-form-panel .highlight-box { margin: -22px -18px 24px; padding: 22px 18px; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: left; }
  .cta-section { padding: 42px 0; }
  .cta-inner { align-items: stretch; gap: 24px; }
  .cta-copy { text-align: center; }
  .cta-section h2 { font-size: 1.45rem; }
  .cta-section p { font-size: 0.88rem; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; }
  .home-business-item { grid-template-columns: 38px 1fr auto; padding: 18px 16px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .hero-stat-item { border-right: 1px solid rgba(255,255,255,0.12); }
  .hero-stats .hero-stat-item:nth-child(even) { border-right: none; }
  .hero-stats .hero-stat-item:nth-last-child(-n+2) { border-bottom: none; }
}

/* ============================================
   移动端响应式补充修复
   仅在现有断点基础上优化移动端体验，
   不修改 PC 端样式及 CMS 代码。
   ============================================ */

/* ---------- 768px 及以下：移动端核心优化 ---------- */
@media (max-width: 768px) {

  /* Hero 区域：关键词间距收紧，按钮间距优化 */
  .hero-keywords { gap: 6px; }
  .hero-keywords span { padding: 3px 10px; font-size: 0.75rem; }
  .hero-buttons { gap: 10px; }
  .hero-buttons .btn-lg { padding: 12px 24px; font-size: 0.92rem; }
  .hero-stat-item .stat-number { font-size: 1.5rem; }
  .hero-stat-item .stat-label { font-size: 0.78rem; }

  /* 段落间距整体收紧 */
  .section-header { margin-bottom: 24px; }
  .section-header p { font-size: 0.92rem; }

  /* 产品卡片：减小图片占位高度，优化内边距 */
  .product-card .product-body { padding: 14px 16px; }
  .product-card .product-img { aspect-ratio: 16 / 9; }
  .product-card h3, .product-card h4 { font-size: 0.98rem; }
  .product-card .product-desc { font-size: 0.82rem; }

  /* 首页媒体占位区域：降低最小高度 */
  .home-about-media,
  .home-business-media,
  .home-news-media { min-height: 240px; }
  .home-news-feature .home-news-media { min-height: 0; }

  /* 首页特色列表项间距优化 */
  .home-feature-item { padding: 16px; }
  .home-feature-item strong { font-size: 0.95rem; }
  .home-feature-item span { font-size: 0.84rem; }

  /* 业务列表项间距优化 */
  .home-business-item { padding: 16px 14px; }
  .home-business-item h3 { font-size: 1rem; }
  .home-business-item p { font-size: 0.82rem; }

  /* 首页产品分类导航：2 列排列更紧凑 */
  .home-product-category-nav a { padding: 10px 12px; font-size: 0.86rem; }

  /* 首页精选产品 */
  .featured-product-item { padding: 18px 16px 36px; }
  .featured-product-item h4 { font-size: 0.98rem; }
  .featured-product-item p { font-size: 0.8rem; }

  /* 首页新闻特色卡片 */
  .home-news-feature-body h3 { font-size: 1.1rem; }
  .home-news-feature-body { padding: 18px; }

  /* 新闻链接列表项间距优化 */
  .home-news-link { padding: 16px 0; }
  .home-news-link strong { font-size: 0.95rem; }
  .home-news-link small { font-size: 0.78rem; }

  /* 服务卡片：移动端减小内边距 */
  .service-card { padding: 22px; }
  .service-card h3 { font-size: 1.1rem; }
  .service-card p { font-size: 0.88rem; }
  .service-card .service-number { font-size: 2rem; }

  /* 卡片（card）移动端优化 */
  .card-body { padding: 20px; }
  .card h3 { font-size: 1.05rem; }
  .card p { font-size: 0.88rem; }

  /* 案例卡片移动端优化 */
  .case-card .case-body { padding: 18px; }
  .case-card h3, .case-card h4 { font-size: 0.98rem; }
  .case-card .case-desc { font-size: 0.82rem; }

  /* 时间线移动端间距优化 */
  .timeline { margin-top: 20px; }
  .timeline-item { padding-bottom: 22px; }
  .timeline-item h4 { font-size: 0.95rem; }
  .timeline-item p { font-size: 0.84rem; }

  /* 详情页内容：防止图片和表格溢出 */
  .detail-content img { max-width: 100%; height: auto; }
  .detail-content table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .detail-content h2 { font-size: 1.35rem; }
  .detail-content h3 { font-size: 1.15rem; }
  .detail-content h4 { font-size: 1rem; }

  /* 详情页产品概述卡片 */
  .detail-overview { padding: 16px 18px; }
  .detail-overview p { font-size: 0.9rem; }

  /* 详情页导语 */
  .detail-lead { padding: 14px 16px; font-size: 0.92rem; }

  /* 详情页咨询表单 */
  .detail-inquiry-form { padding: 24px 18px; }

  /* 侧边栏联系卡片 */
  .sidebar-contact .phone { font-size: 1.15rem; }

  /* 面包屑防止溢出 */
  .breadcrumb { flex-wrap: wrap; word-break: break-all; font-size: 0.8rem; }

  /* 页脚整体 */
  .footer { padding: 44px 0 0; }

  /* 页脚网格：强制单列，覆盖所有上级规则 */
  .footer .footer-grid {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 28px;
    padding-bottom: 32px;
  }

  /* 页脚品牌区 */
  .footer-brand { padding-bottom: 4px; }
  .footer-brand .logo { margin-bottom: 14px; }
  .footer-brand .logo-icon { width: 38px; height: 38px; }
  .footer-brand .logo-name { font-size: 1rem; }
  .footer-kicker { margin-bottom: 12px; font-size: 0.64rem; }
  .footer-brand p { max-width: 100%; font-size: 0.84rem; line-height: 1.7; }
  .footer-service-note { gap: 5px; margin-top: 16px; }
  .footer-service-note span { font-size: 0.7rem; padding: 4px 7px; }

  /* 页脚各列 */
  .footer .footer-col { padding-bottom: 4px; }
  .footer .footer-col h4 { font-size: 0.9rem; margin-bottom: 14px; }
  .footer .footer-col ul li { margin-bottom: 10px; }
  .footer .footer-col ul li a { font-size: 0.84rem; }

  /* 页脚联系信息网格 */
  .footer .footer-contact li {
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.84rem;
  }
  .footer .footer-contact-label { font-size: 0.74rem; }
  .footer .footer-contact a { word-break: break-all; }

  /* 页脚底部版权栏 */
  .footer .footer-bottom {
    padding: 16px 0 18px;
    flex-wrap: wrap;
    font-size: 0.78rem;
  }

  /* 联系页面板优化 */
  .contact-form-panel { padding: 20px 16px; }
  .contact-form-panel .highlight-box { margin: -20px -16px 20px; padding: 20px 16px; }
  .contact-form-panel .highlight-box h3 { font-size: 1.15rem; }
  .contact-overview h2 { font-size: 1.4rem; }

  /* 资质认证网格在移动端字体优化 */
  .cert-badge h4 { font-size: 0.88rem; }
  .cert-badge p { font-size: 0.78rem; }

  /* 首页新闻列表 - 恢复卡片式移动端显示 */
  .news-list .news-item { padding: 18px; }
  .news-list .news-item h3 { font-size: 1rem; }

  /* 内容区块（content-block）移动端图片优化 */
  .content-visual { min-height: 240px; }

  /* CTA 段落字号优化 */
  .cta-section h2 { font-size: 1.3rem; }
}

/* ---------- 480px 及以下：小屏手机进一步优化 ---------- */
@media (max-width: 480px) {

  /* 段落间距进一步收紧 */
  .section { padding: 36px 0; }
  .section + .section:not(.section-bg-light):not(.section-bg-dark) { padding-top: 8px; }

  /* Hero 区域进一步优化 */
  .hero { padding: 76px 0 36px; }
  .hero h1 { font-size: 1.35rem; }
  .hero h1 span { font-size: 1rem; }
  .hero-subtitle { font-size: 0.88rem; line-height: 1.7; }
  .hero-tag { font-size: 0.72rem; padding: 4px 10px; }
  .hero-keywords { gap: 4px; }
  .hero-keywords span { padding: 3px 8px; font-size: 0.7rem; }
  .hero-stats { margin-top: 28px; }
  .hero-stat-item .stat-number { font-size: 1.35rem; }
  .hero-stat-item .stat-label { font-size: 0.74rem; }
  .hero-stat-item { padding: 14px 12px; }
  .hero-buttons .btn-lg { padding: 11px 20px; font-size: 0.88rem; }

  /* Section header 进一步收紧 */
  .section-header { margin-bottom: 20px; }
  .section-header h2 { font-size: 1.35rem; }
  .section-header p { font-size: 0.88rem; }

  /* 页面横幅优化 */
  .page-banner { padding: 80px 0 20px; }
  .page-banner-title { font-size: 1.5rem; }
  .page-banner-summary { font-size: 0.84rem; }

  /* 产品卡片进一步优化 */
  .product-card .product-body { padding: 12px 14px; }
  .product-card .product-img { aspect-ratio: 3 / 2; }
  .product-card h3, .product-card h4 { font-size: 0.92rem; }
  .product-card .product-desc { font-size: 0.78rem; }

  /* 案例卡片进一步优化 */
  .case-card .case-img { aspect-ratio: 3 / 2; }
  .case-card .case-body { padding: 14px; }
  .case-card h3, .case-card h4 { font-size: 0.92rem; }
  .case-card .case-desc { font-size: 0.78rem; }

  /* 首页媒体进一步降低高度 */
  .home-about-media,
  .home-business-media,
  .home-news-media { min-height: 200px; }

  /* 服务卡片进一步优化 */
  .service-card { padding: 18px; }
  .service-card h3 { font-size: 1rem; }
  .service-card p { font-size: 0.84rem; }
  .service-card .service-number { font-size: 1.6rem; }
  .service-tag { font-size: 0.72rem; padding: 2px 8px; }

  /* 卡片进一步优化 */
  .card-body { padding: 16px; }
  .card h3 { font-size: 0.98rem; }
  .card p { font-size: 0.84rem; }

  /* 时间线进一步优化 */
  .timeline-item h4 { font-size: 0.9rem; }
  .timeline-item p { font-size: 0.82rem; }

  /* 详情页内容进一步优化 */
  .detail-content { font-size: 0.9rem; }
  .detail-content h2 { font-size: 1.2rem; }
  .detail-content h3 { font-size: 1.05rem; }
  .detail-content h4 { font-size: 0.95rem; }
  .detail-content p { font-size: 0.88rem; }
  .detail-content ul li { font-size: 0.88rem; }
  .detail-content table { font-size: 0.82rem; }
  .detail-content table th,
  .detail-content table td { padding: 8px 10px; font-size: 0.8rem; }

  /* 详情页概述和导语 */
  .detail-overview { padding: 14px 16px; }
  .detail-lead { padding: 12px 14px; font-size: 0.88rem; }
  .detail-inquiry-form { padding: 20px 14px; }
  .inquiry-form-desc { font-size: 0.86rem; }

  /* 侧边栏优化 */
  .sidebar-card { padding: 16px; }
  .sidebar-card h4 { font-size: 0.88rem; }
  .sidebar-list-item { font-size: 0.82rem; }

  /* 页脚进一步优化 */
  .footer { padding: 36px 0 0; }
  .footer .footer-grid { gap: 22px; padding-bottom: 24px; }
  .footer-brand .logo-icon { width: 34px; height: 34px; }
  .footer-brand .logo-name { font-size: 0.95rem; }
  .footer-kicker { font-size: 0.6rem; margin-bottom: 10px; }
  .footer-brand p { font-size: 0.8rem; line-height: 1.65; }
  .footer .footer-col h4 { font-size: 0.86rem; margin-bottom: 12px; }
  .footer .footer-col ul li { margin-bottom: 8px; }
  .footer .footer-col ul li a { font-size: 0.82rem; }
  .footer .footer-contact li { font-size: 0.8rem; gap: 8px; margin-bottom: 10px; }
  .footer .footer-contact-label { font-size: 0.72rem; }
  .footer .footer-bottom { padding: 14px 0 16px; font-size: 0.74rem; }

  /* 首页业务列表进一步优化 */
  .home-business-item { padding: 14px 12px; }
  .home-business-item h3 { font-size: 0.95rem; }
  .home-business-item p { font-size: 0.78rem; }

  /* 首页精选产品进一步优化 */
  .featured-product-item { padding: 14px 14px 32px; }
  .featured-product-item h4 { font-size: 0.92rem; }
  .featured-product-item p { font-size: 0.78rem; }

  /* 内容区块进一步优化 */
  .content-visual { min-height: 200px; }

  /* 联系页面进一步优化 */
  .contact-overview { padding: 22px 18px; }
  .contact-overview h2 { font-size: 1.25rem; }
  .contact-form-panel { padding: 18px 14px; }
  .contact-form-panel .highlight-box { margin: -18px -14px 18px; padding: 18px 14px; }
  .contact-form-panel .highlight-box h3 { font-size: 1.05rem; }

  /* CTA 进一步优化 */
  .cta-section h2 { font-size: 1.2rem; }
  .cta-section p { font-size: 0.84rem; }
  .cta-eyebrow { font-size: 0.68rem; }

  /* 资质认证进一步优化 */
  .cert-badge { padding: 20px 12px; }
  .cert-badge h4 { font-size: 0.84rem; }
  .cert-badge p { font-size: 0.74rem; }

  /* 首页新闻列表 */
  .news-list .news-item { padding: 14px; }
  .news-list .news-item h3 { font-size: 0.92rem; }
  .home-news-link { padding: 14px 0; }
  .home-news-link strong { font-size: 0.9rem; }
  .home-news-feature-body h3 { font-size: 1rem; }
  .home-news-feature-body { padding: 14px; }

  /* 静态分类导航 */
  .static-category-nav { gap: 6px; margin-bottom: 24px; }
  .static-category-nav a,
  .static-category-nav span { min-height: 34px; padding: 6px 12px; font-size: 0.8rem; }

  /* 确保所有图片不溢出 */
  img { max-width: 100%; height: auto; }

  /* 确保长文本不溢出 */
  .detail-main, .detail-content, .card-body, .service-card, .product-body, .case-body {
    overflow-wrap: break-word;
    word-break: break-word;
  }
}