/* =========================================
   全局变量及基础重置 (CSS Variables & Reset)
========================================= */
:root {
  --primary: #fbbf24; /* 亮黄色 / 橙黄色强调色 */
  --primary-hover: #d97706;
  --dark-bg: #101820; /* 深灰色/黑色工业背景 */
  --darker-bg: #0a0f14;
  --light-bg: #f3f4f6; /* 浅灰色背景 */
  --card-bg: #1f2937; /* 卡片深色背景 */
  --white: #ffffff;
  --text-white: #ffffff;
  --text-light-gray: #9ca3af;
  --text-dark: #111827;
  --border-color: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s ease;
  --border-radius: 4px;
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}

/* 基础排版与容器 */
h1,
h2,
h3,
h4 {
  line-height: 1.2;
  font-weight: 800;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-padding {
  padding: 5rem 0;
}
.bg-light {
  background-color: var(--light-bg);
}
.text-center {
  text-align: center;
}

.section-tag {
  display: inline-block;
  color: var(--primary-hover);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-transform: uppercase;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--dark-bg);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--white);
}
.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

/* =========================================
   顶部导航栏 (Navbar)
========================================= */
/* 顶部导航：与首页一致——悬浮于 Hero 之上，半透明毛玻璃（改样式请同步 style.css 首页导航） */
.navbar-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(16, 24, 32, 0.4);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-bottom: 1px solid var(--border-color);
}

.navbar-wrapper .navbar {
  position: static;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
}
.navbar {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-color);
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-icon {
  color: var(--primary);
  font-style: italic;
  letter-spacing: -2px;
}
.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-white);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}
.nav-arrow {
  font-size: 0.6rem;
}
.hamburger {
  display: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* 移动端菜单样式 */
.mobile-menu {
  display: none;
  flex-direction: column;
  background-color: var(--darker-bg);
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 1rem 20px;
  border-top: 1px solid var(--border-color);
}
.mobile-menu.active {
  display: flex;
}
.mobile-menu a {
  color: var(--text-white);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
}
.mobile-menu a:last-child {
  border-bottom: none;
  margin-top: 1rem;
}

/* =========================================
   页面横幅区 (Hero Section)
========================================= */
.page-hero {
  height: 45vh;
  min-height: 430px;
  padding-top: 150px; /* 悬浮导航高度补偿 */
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(16, 24, 32, 0.85), rgba(16, 24, 32, 0.85)),
    url("/about/img/about.webp") center/cover no-repeat;
  text-align: center;
}

.hero-content {
  width: 100%;
}
.hero-content h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.hero-content p {
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 500;
}
/* =========================================
   新增：面包屑导航 (Breadcrumb) 样式
========================================= */

.breadcrumb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light-gray);
    margin-bottom: 1.25rem;
}

.breadcrumb a {
    color: var(--text-light-gray);
    text-decoration: none;
    transition: var(--transition, color 0.3s ease);
}

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

.breadcrumb .divider {
    color: var(--border-color);
}

.breadcrumb .current {
    color: var(--primary);
    font-weight: 600;
}


/* =========================================
   公司故事区块 (Our Story / Who We Are)
========================================= */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.story-text h2 {
  font-size: 2.5rem;
  color: var(--dark-bg);
  margin-bottom: 1.5rem;
}

.story-text p {
  color: #4b5563;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.story-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  border-bottom: 4px solid var(--primary);
}

/* 针对列表的排版优化 */
.story-text .capability-list {
  list-style: none;
  padding-left: 0;
  margin: 18px 0;
}

.story-text .capability-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  line-height: 1.6;
  color: #4a5568; /* 建议根据您网站的主调调整 */
}

/* 列表打勾图标或圆点强化 */
.story-text .capability-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #10b981; /* 绿/蓝等强调色，与网站主色调一致 */
  font-weight: bold;
}

.story-text .capability-list strong {
  color: #1a202c;
}
/* =========================================
   工程与制造能力区块 (Capabilities Section)
========================================= */
/* 区块主体采用工业深色背景 */
.capabilities-section {
  background-color: var(--dark-bg);
  color: var(--text-white);
}

.section-header .section-tag {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.section-header h2 {
  color: var(--text-white);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-light-gray);
  max-width: 700px;
  margin: 0 auto;
}

/* 3列网格布局 */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

/* 卡片样式：适配 --card-bg 与 --border-color */
.capability-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 32px 24px;
  transition: var(--transition);
}

/* 卡片 Hover 交互：使用亮黄强调色 --primary */
.capability-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* 图标容器：亮黄微光背景 */
.capability-card .icon-box {
  width: 56px;
  height: 56px;
  background-color: rgba(251, 191, 36, 0.1); /* 基于 var(--primary) 的透明度 */
  color: var(--primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.capability-card:hover .icon-box {
  background-color: var(--primary);
  color: var(--dark-bg); /* 图标变为黑字，对比强烈 */
}

.capability-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 12px;
}

.capability-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-light-gray);
}

.capability-card p strong {
  color: var(--text-white);
}

/* =========================================
   核心价值观区块 (Core Values Section)
========================================= */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.value-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  border: 1px solid #e5e7eb;
}

.value-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.value-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(251, 191, 36, 0.1);
  color: var(--primary-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.value-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--dark-bg);
}

.value-card p {
  color: #4b5563;
  font-size: 0.9rem;
}

/* =========================================
   引导转化区 (CTA Banner)
========================================= */
/* CTA Banner 主体样式：采用高对比工业深色背景与渐变衬底 */
.cta-banner {
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
  border-top: 2px solid var(--primary); /* 亮黄顶部强调线 */
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

/* 布局弹性网格：左右分栏结构 */
.cta-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

/* 文案内容区 */
.cta-content {
  max-width: 680px;
}

.cta-subtitle {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.cta-content h2 {
  color: var(--text-white);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
}

.cta-content p {
  color: var(--text-light-gray);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

/* 按钮操作区：支持主次按钮组合 */
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

/* 通用按钮基础基础 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

/* 主按钮：亮黄色背景 + 暗色文字 (最高视觉权重) */
.btn-primary {
  background-color: var(--primary);
  color: var(--dark-bg);
  border: 1px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--dark-bg);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(251, 191, 36, 0.25);
}

/* 次按钮：深底黄色边框线框按钮 (次级操作路径) */
.btn-outline {
  background-color: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* 移动端/小屏响应式适配 */
@media (max-width: 991px) {
  .cta-flex {
    flex-direction: column;
    text-align: center;
    gap: 30px;
  }

  .cta-content {
    max-width: 100%;
  }

  .cta-actions {
    width: 100%;
    flex-direction: row;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}
/* =========================================
   页脚 (Footer)
========================================= */
footer {
  background-color: var(--dark-bg);
  color: var(--text-light-gray);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.brand-col .logo {
  display: inline-block;
  margin-bottom: 1.5rem;
}

.brand-col p {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.mini-stats {
  display: flex;
  gap: 1.5rem;
}

.mini-stats div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-white);
}

.mini-stats i {
  color: var(--primary);
  font-size: 1.25rem;
}

.footer-col h4 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-light-gray);
  text-decoration: none;
  transition: var(--transition, color 0.3s ease);
}

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

.contact-details li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.875rem;
}

.contact-details i {
  color: var(--primary);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.contact-details a {
  color: var(--text-light-gray);
  text-decoration: none;
  transition: var(--transition, color 0.3s ease);
}

.contact-details a:hover {
  color: var(--primary);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light-gray);
  text-decoration: none;
  transition: var(--transition, all 0.3s ease);
}

.social-links a:hover {
  background-color: var(--primary);
  color: var(--dark-bg);
  border-color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.legal-links a {
  color: var(--text-light-gray);
  text-decoration: none;
  transition: var(--transition, color 0.3s ease);
}

.legal-links a:hover {
  color: var(--primary);
}

.legal-links .divider {
  margin: 0 0.5rem;
  color: var(--border-color);
}

/* 响应式适配 */
@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* =========================================
   移动端响应式补丁 (防止小屏破版)
========================================= */
@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer-cta {
    padding: 1.5rem;
  }

  .cta-btns {
    width: 100%;
    flex-direction: column;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
/* =========================================
   响应式设计 (Media Queries)
========================================= */
@media (max-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 992px) {
  .nav-links,
  .nav-actions {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta-flex {
    flex-direction: column;
    text-align: center;
  }
  .cta-banner h3 {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   右侧悬浮联系侧边栏 (Floating Sidebar)
   ========================================== */

.floating-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 1px; /* 图标之间的细微缝隙 */
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar-item {
  position: relative;
  width: 50px;
  height: 50px;
  background-color: #111827; /* 默认深色背景 */
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sidebar-item a {
  color: #ffffff;
  font-size: 24px;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.sidebar-item:not(.whatsapp):not(.telegram):not(.email):not(.back-to-top) i {
  color: #fff;
}

/* 按钮图标默认颜色 */
.sidebar-item i {
  color: #ffffff;
  font-size: 20px;
}

/* 鼠标悬浮时的品牌色高亮 */
.sidebar-item.whatsapp:hover {
  background-color: #25d366;
} /* WhatsApp 绿 */
.sidebar-item.telegram:hover {
  background-color: #229ed9;
} /* Telegram 蓝 */
.sidebar-item.email:hover {
  background-color: #fbbf24;
} /* 您的主题黄 */
.sidebar-item.back-to-top:hover {
  background-color: #4b5563;
} /* 返回顶部灰色高亮 */

/* 悬浮提示框 (Tooltip) 的通用样式 */
.sidebar-tooltip {
  position: absolute;
  right: 60px; /* 从右侧往左弹出的距离 */
  top: 50%;
  transform: translateY(-50%) translateX(20px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55); /* 弹性动画 */
  pointer-events: none; /* 防止遮挡鼠标 */
  z-index: 10000;
}

/* 鼠标移入时显示 Tooltip */
.sidebar-item:hover .sidebar-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* 带有二维码的提示框样式 */
.qr-tooltip {
  background-color: #ffffff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-tooltip img {
  width: 240px; /* 二维码大小 */
  height: 240px;
  object-fit: contain;
  max-width: none; /* 防止全局 img{max-width:100%} 导致弹窗塌缩 */
}

.qr-tooltip span {
  font-size: 13px;
  font-weight: bold;
  color: #374151;
  white-space: nowrap; /* 防止微信昵称被竖排 */
}

/* 纯文本提示框（邮箱）样式 */
.text-tooltip {
  background-color: #fbbf24; /* 匹配邮件悬浮主题色 */
  color: #111827;
  font-weight: bold;
  padding: 12px 16px;
  border-radius: 6px;
  white-space: nowrap; /* 保证邮箱不换行 */
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 文本提示框的小三角形箭头 */
.text-tooltip::after,
.qr-tooltip::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
}
.text-tooltip::after {
  border-color: transparent transparent transparent #fbbf24;
}
.qr-tooltip::after {
  border-color: transparent transparent transparent #ffffff;
}

/* ==========================================
   移动端优化 方案二：底部横向固定吸底
   ========================================== */
@media screen and (max-width: 768px) {
  /* 1. 彻底隐藏悬浮二维码和文字提示 */
  .sidebar-tooltip,
  .qr-tooltip,
  .text-tooltip {
    display: none !important;
  }

  /* 2. 将竖排改为底部横排，宽度100%吸底 */
  .floating-sidebar {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    transform: none;
    flex-direction: row;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 99999;
  }

  /* 3. 按钮平分底部宽度，增大点击区域 */
  .sidebar-item {
    flex: 1; /* 四个按钮各占 25% 宽度 */
    height: 55px;
    border-right: 1px solid rgba(255, 255, 255, 0.1); /* 按钮之间的暗色分割线 */
  }

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

  .sidebar-item i {
    font-size: 22px;
  }

  /* 为防止底部按钮遮挡网页最下方的内容，给手机端 body 增加底部内边距 */
  body {
    padding-bottom: 60px !important;
  }
}


/* ==========================================
   页脚微信悬停二维码弹层（与 style.css 保持一致）
   ========================================== */
.footer-wechat {
    position: relative;
}

.footer-wechat-trigger {
    cursor: pointer;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.4);
}

.footer-qr-pop {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0;
    z-index: 999;

    background: #ffffff;
    padding: 12px;
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    border: 1px solid #e5e7eb;

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;

    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.25s ease;

    pointer-events: none;
}

.footer-qr-pop::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 28px;
    border: 8px solid transparent;
    border-top-color: #ffffff;
}

.footer-wechat:hover .footer-qr-pop {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.footer-qr-pop img {
    display: block;
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 6px;
}

.footer-qr-pop span {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
}

.brand-col .logo img {
  width: 200px;
  height: auto;
}

/* 导航栏 logo：桌面 100px 高，移动端自适应缩小（与 style.css 保持一致） */
.navbar .logo img {
  height: 100px;
  width: auto;
  max-width: none;
}

@media (max-width: 768px) {
  .navbar .logo img {
    height: 56px;
  }
}

/* 导航栏字号放大（与全站导航统一） */
.nav-actions .btn {
  font-size: 1rem;
}