/* ========================
   深圳三维彩色空间 - 自定义样式
   现代企业官网风格
   ======================== */

/* CSS 变量 - 设计系统 */
:root {
  /* 颜色体系 */
  --color-bg: #0f1419;
  --color-bg-light: #1a1f2c;
  --color-bg-card: #252b3d;
  --color-bg-card-hover: #2d3548;

  --color-primary: #00d4aa;
  --color-primary-hover: #00f5c4;
  --color-primary-dark: #00a080;
  --color-primary-light: rgba(0, 212, 170, 0.15);

  --color-accent: #ffd700;
  --color-accent-light: rgba(255, 215, 0, 0.15);

  --color-text: #ffffff;
  --color-text-secondary: rgba(255, 255, 255, 0.8);
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --color-text-dim: rgba(255, 255, 255, 0.4);

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.12);

  --color-success: #00d4aa;
  --color-warning: #ffd700;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.3);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 50px;

  /* 字体 */
  --font-cn: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  /* 间距 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
}

/* ========================
   基础重置与覆盖
   ======================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg) !important;
  font-family: var(--font-cn);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.landing {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%) !important;
}

/* ========================
   导航栏样式
   ======================== */
#header {
  background: rgba(15, 20, 25, 0.85) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 40px;
  height: 80px;
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  transition: var(--transition);
}

#header.scrolled {
  background: rgba(15, 20, 25, 0.95) !important;
  box-shadow: var(--shadow-md);
}

#header .logo-container {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

#header .logo-container .logo img {
  height: 50px;
  width: auto;
  transition: var(--transition);
}

#header nav {
  flex: 1 !important;
  display: flex !important;
  justify-content: flex-end !important;
}

#header nav > ul {
  display: flex;
  align-items: center;
  gap: 8px;
}

#header nav > ul > li > a {
  color: var(--color-text-secondary) !important;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 18px !important;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

#header nav > ul > li > a:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-light);
}

#header nav > ul > li > a.active {
  color: var(--color-primary) !important;
  background: var(--color-primary-light);
}

/* 下拉菜单 */
#header .dropdown-menu {
  background: var(--color-bg-card) !important;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  min-width: 200px;
}

#header .dropdown-menu li a {
  color: var(--color-text-secondary) !important;
  padding: 12px 16px !important;
  border-radius: var(--radius-md);
  font-size: 14px;
  transition: var(--transition-fast);
}

#header .dropdown-menu li a:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-light);
}

/* 移动端菜单按钮 */
#header nav > ul > li.special a.menuToggle {
  background: var(--color-primary-light);
  color: var(--color-primary) !important;
  border-radius: var(--radius-md);
  padding: 10px 16px !important;
  font-weight: 600;
}

/* 移动端菜单按钮 - 强制显示汉堡菜单 */
@media screen and (max-width: 768px) {
  /* 确保 header 可见 */
  #header {
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px !important;
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000 !important;
    transition: background 0.3s ease;
  }

  /* 显示菜单按钮并定位到右上角 */
  #header nav > ul > li.special {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: absolute !important;
    right: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    margin: 0 !important;
    z-index: 1002 !important;
  }

  #header nav > ul > li.special a.menuToggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    padding: 0 !important;
    background: var(--color-primary) !important;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    position: relative !important;
    top: auto !important;
    right: auto !important;
    transition: var(--transition-fast);
  }

  #header nav > ul > li.special a.menuToggle:hover {
    background: var(--color-primary-hover) !important;
    transform: translateY(-50%) scale(1.05);
  }

  /* 使用汉堡图标 */
  #header nav > ul > li.special a.menuToggle::before {
    content: '☰' !important;
    display: block !important;
    font-size: 24px;
    color: #000 !important;
    font-weight: bold;
    line-height: 1;
  }

  /* 隐藏普通导航项 */
  #header nav > ul > li:not(.special) {
    display: none !important;
  }

  /* 修复 nav 定位 */
  #header nav {
    position: static !important;
    flex: 0 0 auto !important;
    display: block !important;
  }

  #header nav > ul {
    display: flex !important;
    justify-content: flex-end !important;
  }

  /* Logo 定位到左上角 */
  #header .logo-container {
    position: absolute !important;
    left: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    z-index: 1001 !important;
  }

  #header .logo-container .logo img {
    height: 40px !important;
  }
}

/* 侧边菜单 */
#menu {
  background: var(--color-bg-light) !important;
  border-left: 1px solid var(--color-border);
}

#menu ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

#menu ul li {
  border-bottom: 1px solid var(--color-border);
}

#menu ul li a {
  color: var(--color-text-secondary) !important;
  padding: 16px 24px !important;
  display: block;
  transition: var(--transition-fast);
  text-decoration: none;
}

#menu ul li a:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-light);
}

/* 移动端下拉菜单样式 */
#menu details.dropdown-details {
  padding: 0;
  margin: 0;
}

#menu summary.dropdown-summary {
  padding: 16px 24px !important;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-secondary) !important;
  transition: var(--transition-fast);
}

#menu summary.dropdown-summary:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-light);
}

#menu summary.dropdown-summary::after {
  content: '▼';
  font-size: 12px;
  transition: transform 0.3s ease;
}

#menu details[open] summary.dropdown-summary::after {
  transform: rotate(180deg);
}

#menu details.dropdown-details > ul.dropdown-menu {
  background: rgba(0, 0, 0, 0.2);
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
}

#menu details.dropdown-details > ul.dropdown-menu li {
  border-bottom: 1px solid var(--color-border);
}

#menu details.dropdown-details > ul.dropdown-menu li:last-child {
  border-bottom: none;
}

#menu details.dropdown-details > ul.dropdown-menu li a {
  padding-left: 48px !important;
  font-size: 14px;
}

/* ========================
   Banner 轮播首屏区域
   ======================== */
#banner {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  background: var(--color-bg);
  padding-top: 80px;
}

.carousel-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.carousel-slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 20, 25, 0.75) 0%, rgba(15, 20, 25, 0.45) 50%, rgba(15, 20, 25, 0.65) 100%);
}

.slide-content {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 48px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.slide-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
  letter-spacing: 1px;
}

.slide-content h1 {
  font-size: 56px;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
  line-height: 1.2;
}

.slide-content p {
  font-size: 20px;
  color: var(--color-text-secondary) !important;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.slide-image {
  position: absolute;
  right: 3%;
  top: 50%;
  width: 55%;
  max-width: 800px;
  animation: slideFloat 6s ease-in-out infinite;
  transform: translate3d(0, -50%, 0);
  will-change: transform;
}

.slide-image img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 25px 60px rgba(0, 0, 0, 0.5));
  display: block;
  object-fit: contain;
}

@keyframes slideFloat {
  0%, 100% { transform: translate3d(0, -50%, 0) translateX(0); }
  50% { transform: translate3d(0, -50%, 0) translateX(8px); }
}

.slide-cta {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

/* 轮播按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000 !important;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-text) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

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

/* 轮播控制箭头 */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 20;
  backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #000;
}

/* 默认隐藏箭头，悬停时显示 */
.carousel-arrow {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#banner:hover .carousel-arrow {
  opacity: 1;
  visibility: visible;
}

.carousel-prev { left: 24px; }
.carousel-next { right: 24px; }

/* 轮播指示器 */
.carousel-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 20;
}

.carousel-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.carousel-dots .dot:hover {
  background: rgba(255, 255, 255, 0.5);
}

.carousel-dots .dot.active {
  background: var(--color-primary);
  box-shadow: 0 0 12px var(--color-primary);
}

/* 进度条 */
.carousel-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 20;
}

.carousel-progress .progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.1s linear;
}

/* 默认隐藏原版内容（电脑端显示轮播） */
#banner .carousel-wrapper > .inner {
  display: none;
}

/* 响应式 */
@media (max-width: 1200px) {
  .slide-content h1 { font-size: 46px; }
  .slide-image { right: 3%; width: 46%; max-width: 580px; }
}

/* 移动端显示原版内容 */
@media (max-width: 768px) {
  /* 显示原版内容 */
  #banner .carousel-wrapper > .inner {
    display: block !important;
  }

  /* 隐藏轮播相关元素 */
  .carousel-slides,
  .carousel-slide,
  .carousel-arrow,
  .carousel-dots,
  .carousel-progress {
    display: none !important;
  }

  /* 移动端 Banner 样式 - 优化版 */
  #banner {
    background:
      linear-gradient(135deg, rgba(15, 20, 25, 0.92) 0%, rgba(26, 31, 44, 0.88) 50%, rgba(15, 20, 25, 0.92) 100%),
      url('../images/banner.jpg') center/cover no-repeat !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: auto !important;
    padding: 120px 20px 60px !important;
    position: relative !important;
  }

  /* 装饰性背景 */
  #banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
      radial-gradient(circle at 30% 70%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
      radial-gradient(circle at 70% 30%, rgba(0, 212, 170, 0.05) 0%, transparent 50%);
    pointer-events: none;
  }

  #banner .inner {
    display: block !important;
    text-align: center !important;
    max-width: 100% !important;
    padding: 20px 15px !important;
    position: relative !important;
    z-index: 1 !important;
  }

  #banner h2 {
    font-size: 32px !important;
    font-weight: 700 !important;
    color: var(--color-text) !important;
    margin-bottom: 12px !important;
    letter-spacing: -0.5px !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
  }

  #banner p {
    font-size: 14px !important;
    color: var(--color-text-secondary) !important;
    line-height: 1.6 !important;
    margin-bottom: 16px !important;
    padding: 0 10px !important;
  }

  #banner .banner-image {
    margin: 16px 0 !important;
  }

  #banner .banner-image img {
    max-width: 240px !important;
    width: 80% !important;
    border-radius: 16px !important;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4) !important;
    animation: floatMobile 4s ease-in-out infinite;
  }

  @keyframes floatMobile {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }

  #banner .actions {
    display: flex !important;
    justify-content: center !important;
    margin-top: 16px !important;
  }

  #banner .actions .button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
    color: #000 !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    padding: 12px 28px !important;
    border-radius: 25px !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.35) !important;
    transition: transform 0.2s ease, box-shadow 0.2s ease !important;
  }

  #banner .actions .button:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.45) !important;
  }
}

@media (max-width: 600px) {
  #banner { min-height: 520px; padding-top: 64px; }
  .slide-content h1 { font-size: 28px; }
  .slide-content p { font-size: 15px; }
  .slide-badge { font-size: 12px; padding: 6px 16px; }
  .btn { padding: 12px 24px; font-size: 14px; }
  .slide-image { width: 90%; }
}

#banner .inner {
  text-align: center;
  max-width: 900px;
  padding: var(--space-2xl);
  position: relative;
  z-index: 1;
}

#banner h2 {
  font-size: 52px !important;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

#banner p {
  font-size: 20px !important;
  color: var(--color-text-secondary) !important;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

#banner .banner-image {
  margin: var(--space-lg) 0;
}

#banner .banner-image img {
  max-width: 400px;
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* Banner 按钮 */
#banner .actions .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000 !important;
  font-weight: 600;
  font-size: 16px;
  padding: 16px 40px !important;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.4);
  transition: var(--transition);
}

#banner .actions .button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 212, 170, 0.5);
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
}

/* ========================
   通用按钮样式
   ======================== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary) !important;
  border: 1px solid var(--color-primary) !important;
  padding: 14px 28px !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.button:hover {
  background: var(--color-primary) !important;
  color: #000 !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000 !important;
  border: none !important;
  box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
}

.button.primary:hover {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  box-shadow: 0 6px 25px rgba(0, 212, 170, 0.4);
}

/* ========================
   内容区块样式
   ======================== */
.wrapper {
  background: var(--color-bg) !important;
  padding: var(--space-2xl) 0;
}

.wrapper.style1,
.wrapper.style2,
.wrapper.style3 {
  background: var(--color-bg-light) !important;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.wrapper.style1.special {
  background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%) !important;
}

/* Section 标题 */
.major h2 {
  font-size: 36px !important;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
  letter-spacing: -0.5px;
}

.major p {
  font-size: 18px !important;
  color: var(--color-text-muted) !important;
  max-width: 700px;
  margin: 0 auto;
}

/* 图标样式 */
.icons li {
  margin: 0 10px;
}

.icons .major {
  width: 80px;
  height: 80px;
  line-height: 80px;
  font-size: 32px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  color: var(--color-primary) !important;
  margin-bottom: var(--space-md);
  transition: var(--transition);
}

.icons li:hover .major {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

/* ========================
   Spotlight 产品展示区
   ======================== */
.spotlight {
  background: transparent !important;
  padding: var(--space-xl) 0;
}

.spotlight .image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.spotlight .image img {
  width: 100%;
  height: auto;
  transition: var(--transition);
}

.spotlight .image:hover img {
  transform: scale(1.05);
}

.spotlight .content {
  padding: var(--space-lg) !important;
}

.spotlight .content h2 {
  font-size: 28px !important;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm);
}

.spotlight .content p {
  font-size: 16px !important;
  color: var(--color-text-muted) !important;
  line-height: 1.8;
}

/* ========================
   Features 特性卡片
   ======================== */
.features {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 32px;
  padding: var(--space-lg) 0;
}

.features li {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  transition: var(--transition);
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 24px;
  flex: 0 0 calc(50% - 32px);
  max-width: calc(50% - 32px);
}

.features li:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.features li .icon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.features li .icon {
  width: 52px;
  height: 52px;
  line-height: 52px;
  font-size: 26px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  color: var(--color-primary) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.features li h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: 10px;
  line-height: 1.3;
  word-break: keep-all;
  white-space: normal;
}

.features li p {
  font-size: 14px;
  color: var(--color-text-secondary) !important;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========================
   联系表单区域
   ======================== */
.contact-section {
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
}

.contact-section .section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.contact-section .section-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.contact-section .section-title {
  font-size: 40px !important;
  font-weight: 700;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.contact-info {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.contact-info h3 {
  font-size: 24px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
}

.contact-info .contact-details {
  margin-bottom: var(--space-md);
}

.contact-info .contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
}

.contact-info .contact-icon {
  font-size: 20px;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.contact-form h3 {
  font-size: 24px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--color-text);
  font-size: 15px;
  font-family: var(--font-cn);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-dim);
}

.submit-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000 !important;
  border: none !important;
  padding: 16px !important;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 170, 0.4);
}

/* ========================
   页脚样式
   ======================== */
.footer {
  background: var(--color-bg) !important;
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-section h3 {
  font-size: 20px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm);
}

.footer-section h4 {
  font-size: 16px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.footer-section p {
  color: var(--color-text-muted) !important;
  font-size: 14px;
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: var(--color-text-muted) !important;
  font-size: 14px;
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--color-primary) !important;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-dim) !important;
  font-size: 13px;
}

/* ========================
   响应式设计
   ======================== */

/* 大屏幕 */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
  }
}

/* 平板 */
@media (max-width: 1024px) {
  #header {
    padding: 0 20px;
    height: 70px;
  }

  #banner h2 {
    font-size: 42px !important;
  }

  #banner p {
    font-size: 18px !important;
  }

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

/* 手机竖屏 */
@media (max-width: 768px) {
  #header {
    padding: 0 15px;
    height: 60px;
  }

  #header .logo-container .logo img {
    height: 40px;
  }

  #header nav {
    display: none;
  }

  #header nav.mobile-open {
    display: block;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg-light);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }

  #header nav > ul {
    flex-direction: column;
    align-items: stretch;
  }

  #header nav > ul > li {
    border-bottom: 1px solid var(--color-border);
  }

  #banner {
    padding-top: 60px;
    min-height: auto;
    padding-bottom: var(--space-xl);
  }

  #banner h2 {
    font-size: 28px !important;
    padding: 0 var(--space-sm);
  }

  #banner p {
    font-size: 16px !important;
    padding: 0 var(--space-sm);
  }

  #banner .inner {
    padding: var(--space-lg) var(--space-sm);
  }

  #banner .banner-image img {
    max-width: 280px;
  }

  .major h2 {
    font-size: 26px !important;
  }

  .major p {
    font-size: 15px !important;
  }

  .features {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: center;
    gap: 24px;
    padding: var(--space-md);
  }

  .features li {
    padding: 24px 28px;
    flex-direction: row;
    gap: 20px;
    flex: 0 0 calc(50% - 24px);
    max-width: calc(50% - 24px);
  }

  .features li .icon-wrapper {
    flex-direction: column;
  }

  .features li .icon {
    width: 48px;
    height: 48px;
    line-height: 48px;
    font-size: 24px;
  }

  .features li h3 {
    font-size: 20px;
    margin-bottom: 8px;
  }

  .features li p {
    font-size: 14px;
    -webkit-line-clamp: 4;
  }

  .spotlight {
    flex-direction: column;
  }

  .spotlight .image {
    width: 100%;
    max-width: 100%;
  }

  .spotlight .content {
    padding: var(--space-md) !important;
  }

  .spotlight .content h2 {
    font-size: 22px !important;
  }

  .contact-section {
    padding: var(--space-xl) 0;
  }

  .contact-section .section-title {
    font-size: 28px !important;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-section {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .footer-section:last-child {
    border-bottom: none;
  }
}

/* 超小屏幕 */
@media (max-width: 480px) {
  #banner h2 {
    font-size: 24px !important;
  }

  #banner p {
    font-size: 14px !important;
  }

  .major h2 {
    font-size: 22px !important;
  }

  .features {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: center;
    gap: 20px;
    padding: var(--space-sm);
  }

  .features li {
    padding: 20px 24px;
    flex-direction: row;
    gap: 16px;
    flex: 0 0 100%;
    max-width: 100%;
  }

  .features li .icon-wrapper {
    flex-direction: column;
  }

  .features li .icon {
    width: 44px;
    height: 44px;
    line-height: 44px;
    font-size: 22px;
  }

  .features li h3 {
    font-size: 18px;
    margin-bottom: 8px;
  }

  .features li p {
    font-size: 13px;
    -webkit-line-clamp: 4;
  }

  .contact-section .section-title {
    font-size: 24px !important;
  }
}

/* ========================
   动画效果
   ======================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 去除闪烁的呼吸动画，改为柔和的浮动 */
@keyframes gentle-float {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-6px) scale(1.02);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.floating-img {
  animation: float 3s ease-in-out infinite;
}

/* 移除 breathing-img 的闪烁效果，改为轻微浮动 */
.breathing-img {
  animation: gentle-float 3s ease-in-out infinite;
}

/* ========================
   实用工具类
   ======================== */
.text-center {
  text-align: center;
}
.text-primary {
  color: var(--color-primary);
}
.text-muted {
  color: var(--color-text-muted);
}
.bg-card {
  background: var(--color-bg-card);
}
.border-light {
  border: 1px solid var(--color-border);
}

/* 间距工具类 */
.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}
.p-sm {
  padding: var(--space-sm);
}
.p-md {
  padding: var(--space-md);
}
.p-lg {
  padding: var(--space-lg);
}

/* ========================
   滚动条美化
   ======================== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-primary-dark);
  border-radius: var(--radius-full);
}

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

/* ========================
   选中文本样式
   ======================== */
::selection {
  background: var(--color-primary);
  color: #000;
}

/* ========================
   产品页面专用样式
   ======================== */
.product-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.product-tabs .tab {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary) !important;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.product-tabs .tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary) !important;
}

.product-tabs .tab.active {
  background: var(--color-primary);
  color: #000 !important;
  border-color: var(--color-primary);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  display: none;
}

.product-grid.active {
  display: grid;
}

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

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-card .product-image {
  background: var(--color-bg);
  padding: var(--space-md);
  text-align: center;
}

.product-card .product-image img {
  max-width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: contain;
}

.product-card .product-info {
  padding: var(--space-md);
}

.product-card .product-info h3 {
  font-size: 20px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-xs);
}

.product-card .product-desc {
  color: var(--color-text-muted) !important;
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.product-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.product-tags .tag {
  background: var(--color-primary-light);
  color: var(--color-primary) !important;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
}

.product-actions {
  display: flex;
  gap: var(--space-sm);
}

.product-actions .button {
  flex: 1;
  text-align: center;
  padding: 10px 16px !important;
  font-size: 14px;
}

/* 面包屑导航 */
.breadcrumb {
  font-size: 14px;
  color: var(--color-text-muted) !important;
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: var(--color-primary) !important;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ========================
   询价模态框样式
   ======================== */
.quote-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 20, 25, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.quote-modal.active {
  display: flex;
}

.quote-modal-content {
  background: var(--color-bg-light) !important;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  max-width: 550px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-xl);
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.quote-modal .modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 28px;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
}

.quote-modal .modal-close:hover {
  color: var(--color-primary);
}

.quote-modal .modal-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.quote-modal .modal-header h2 {
  color: var(--color-text) !important;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.quote-modal .modal-header p {
  color: var(--color-text-muted) !important;
  font-size: 14px;
}

.quote-modal .modal-body {
  background: var(--color-bg) !important;
  padding: 0;
}

.quote-modal .form-row {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.quote-modal .form-group {
  flex: 1;
}

.quote-modal .form-group.full-width {
  flex: 1 1 100%;
}

.quote-modal .form-group label {
  display: block;
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
  font-weight: 500;
}

.quote-modal .form-group label .required {
  color: var(--color-accent);
}

.quote-modal .form-group input,
.quote-modal .form-group select,
.quote-modal .form-group textarea {
  width: 100%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--color-text);
  font-size: 15px;
  font-family: var(--font-cn);
  transition: var(--transition-fast);
}

.quote-modal .form-group input:focus,
.quote-modal .form-group select:focus,
.quote-modal .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.quote-modal .form-group input::placeholder,
.quote-modal .form-group textarea::placeholder {
  color: var(--color-text-dim);
}

.quote-modal .form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  color: var(--color-text);
}

.quote-modal .quote-modal-footer {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-light);
  margin-left: calc(-1 * var(--space-xl));
  margin-right: calc(-1 * var(--space-xl));
  margin-bottom: calc(-1 * var(--space-xl));
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.quote-modal .quote-submit-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #000 !important;
  border: none !important;
  padding: 14px 24px !important;
}

.quote-modal .quote-cancel-btn {
  flex: 1;
  background: transparent;
  color: var(--color-text-secondary) !important;
  border: 1px solid var(--color-border) !important;
  padding: 14px 24px !important;
}

.quote-modal .quote-cancel-btn:hover {
  background: var(--color-bg-card);
  color: var(--color-text) !important;
}

/* 产品详情模态框 */
.product-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 20, 25, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.product-modal.active {
  display: flex;
}

.product-modal .modal-content {
  background: var(--color-bg-light) !important;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.product-modal .modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 32px;
  color: var(--color-text-muted);
  cursor: pointer;
  z-index: 10;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.product-modal .modal-close:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.product-modal .modal-header {
  padding: var(--space-xl) var(--space-lg) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.product-modal .modal-header h2 {
  color: var(--color-text) !important;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-modal .modal-header p {
  color: var(--color-text-muted) !important;
  font-size: 15px;
}

.product-modal .modal-body {
  padding: var(--space-lg);
  background: var(--color-bg) !important;
}

.product-modal .modal-gallery {
  margin-bottom: var(--space-lg);
}

.product-modal .main-image {
  text-align: center;
  margin-bottom: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.product-modal .main-image img {
  max-width: 100%;
  max-height: 350px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.product-modal .thumbnail-images {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.product-modal .thumbnail-images img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

.product-modal .thumbnail-images img:hover,
.product-modal .thumbnail-images img.active {
  opacity: 1;
  border-color: var(--color-primary);
}

.product-modal .specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.product-modal .specs-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 14px;
  background: transparent;
}

.product-modal .specs-table tr:last-child td {
  border-bottom: none;
}

.product-modal .specs-table tr:hover td {
  background: var(--color-primary-light);
}

.product-modal .specs-table td strong {
  color: var(--color-text);
  font-weight: 600;
}

.product-modal .modal-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-sm);
  background: var(--color-bg-card);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .quote-modal .form-row {
    flex-direction: column;
  }

  .quote-modal-content {
    padding: var(--space-md);
  }

  .product-modal .modal-header h2 {
    font-size: 22px;
  }
}

/* ========================
   关于我们页面样式
   ======================== */

/* Banner 作为页面 Hero 区域 */
#banner.page-hero {
  min-height: auto;
  padding: 160px 20px 100px;
}

#banner.page-hero .inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

#banner.page-hero .section-badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

#banner.page-hero h2 {
  font-size: 48px !important;
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.5px;
}

#banner.page-hero p {
  font-size: 18px !important;
  color: var(--color-text-secondary) !important;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

#banner.page-hero .banner-image {
  margin: var(--space-lg) 0;
}

#banner.page-hero .banner-image img {
  max-width: 350px;
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* 关于我们区域 */
.about-section {
  padding: var(--space-2xl) 0;
}

.about-section::before {
  display: none !important;
  content: none !important;
}

.about-hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.feature-item {
  text-align: center;
  padding: var(--space-md);
}

.feature-item .feature-icon {
  font-size: 40px;
  display: block;
  margin-bottom: var(--space-sm);
}

.feature-item h3 {
  font-size: 18px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.feature-item p {
  font-size: 13px;
  color: var(--color-text-muted) !important;
}

.hero-tagline {
  font-size: 16px;
  color: var(--color-text-muted) !important;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 关于我们内容 */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.about-text h3 {
  font-size: 32px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.about-text p {
  font-size: 16px;
  color: var(--color-text-muted) !important;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-image {
  text-align: center;
}

.about-image img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.about-image:hover img {
  transform: scale(1.02);
}

/* 统计数字 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.stat-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-card-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-item .stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--color-text-muted) !important;
  line-height: 1.6;
}

/* CTA 区域 */
.cta-section {
  background: transparent;
  padding: var(--space-2xl) 0;
  text-align: center;
}

.cta-section .inner {
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 36px;
  color: var(--color-text) !important;
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.cta-content p {
  font-size: 18px;
  color: var(--color-text-muted) !important;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .button {
  min-width: 140px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about-image {
    order: -1;
  }

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

@media (max-width: 768px) {
  #banner.page-hero {
    padding: 120px 20px 60px;
  }

  #banner.page-hero h2 {
    font-size: 32px !important;
  }

  #banner.page-hero p {
    font-size: 16px !important;
  }

  #banner.page-hero .banner-image img {
    max-width: 280px;
  }

  .hero-features {
    flex-direction: column;
    gap: var(--space-md);
  }

  .about-text h3 {
    font-size: 26px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .stat-item {
    padding: var(--space-md) var(--space-sm);
  }

  .stat-item .stat-number {
    font-size: 36px;
  }

  .cta-content h2 {
    font-size: 26px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .button {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  #banner.page-hero h2 {
    font-size: 26px !important;
  }

  #banner.page-hero p {
    font-size: 14px !important;
  }

  .about-text h3 {
    font-size: 22px;
  }

  .stat-item .stat-number {
    font-size: 32px;
  }
}