/* 组件样式文件 */

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: transparent;
  backdrop-filter: none;
  z-index: 1000;
  transition: var(--transition-medium);
  border-bottom: 1px solid transparent;
}

/* 除首页外的页面导航栏背景 */
.navbar:not(.navbar-home) {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: var(--container-max-width);
  margin: 0 auto;
  gap: 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-logo {
  position: relative;
  flex-shrink: 0;
}

.nav-logo .logo-img {
  height: 60px;
  transition: var(--transition-fast);
}

.nav-title {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.company-name {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  margin: 0;
  white-space: nowrap;
}

.company-tagline {
  font-size: 0.9rem;
  color: var(--accent-gold);
  margin: 0;
  opacity: 0.9;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  flex-shrink: 0;
}

.nav-link {
  color: var(--text-white);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius-small);
  transition: var(--transition-fast);
  position: relative;
  white-space: nowrap;
  display: block;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-gold);
  background: rgba(243, 156, 18, 0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.language-toggle {
  background: transparent;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: var(--font-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.language-toggle:hover {
  background: var(--accent-gold);
  color: var(--text-dark);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-shrink: 0;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-white);
  transition: var(--transition-fast);
}

/* Hero 区域 - 添加视频背景支持 */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* PC端默认使用fixed */
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--text-white);
  max-width: 900px;
  padding: 0 20px;
}

.hero-title {
  font-family: var(--font-secondary);
  font-size: 4rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  white-space: nowrap;
}

/* 除首页外的页面hero标题背景图层 */
.hero:not(.hero-home) .hero-title {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  padding: 1rem 2rem;
  border-radius: 10px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.3;
  white-space: nowrap;
}

/* 除首页外的页面hero副标题背景图层 */
.hero:not(.hero-home) .hero-subtitle {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(6px);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 核心业务左右布局 */
.business-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.business-left {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.business-main-title {
  font-family: var(--font-secondary);
  font-size: 4rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: 2rem;
  line-height: 1.1;
}

.business-background-image {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  flex: 1;
  display: flex;
  align-items: stretch;
}

.business-background-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.business-background-image:hover img {
  transform: scale(1.05);
}

.business-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  height: 100%;
}

.business-description {
  font-size: 1.2rem;
  color: var(--text-gray);
  line-height: 1.6;
  opacity: 0.95;
  margin-bottom: 1rem;
}

/* 业务卡片网格 - 修改为两行布局 */
.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
  flex: 1;
}

.business-card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

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

.business-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.business-card .card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  color: var(--text-dark);
}

.business-card h3 {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.business-card p {
  color: var(--text-gray);
  line-height: 1.5;
  font-size: 0.9rem;
}

/* 项目卡片 */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.project-card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.project-status {
  background: var(--accent-gold);
  color: var(--text-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
}

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--text-gray);
  line-height: 1.6;
}

/* 基金卡片 */
.funds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.fund-card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
  border-left: 4px solid var(--accent-gold);
}

.fund-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.fund-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.fund-header h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
}

.fund-status {
  background: var(--accent-gold);
  color: var(--text-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
}

.fund-details {
  margin-bottom: 1.5rem;
}

.fund-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
}

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

.fund-item .label {
  color: var(--text-gray);
  font-weight: var(--font-weight-medium);
}

.fund-item .value {
  color: var(--text-dark);
  font-weight: var(--font-weight-semibold);
}

.fund-button {
  width: 100%;
  background: var(--gradient-gold);
  color: var(--text-dark);
  border: none;
  padding: 1rem;
  border-radius: var(--border-radius-small);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
}

.fund-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-hover);
}

/* 统计数据 */
.hero-stats {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4rem;
  z-index: 3;
}

.stat-item {
  text-align: center;
  color: var(--text-white);
  transition: var(--transition-fast);
  position: relative;
}

.stat-item:hover {
  transform: translateY(-3px);
}

.stat-item:hover .stat-number {
  color: var(--accent-gold);
}

.stat-number {
  display: block;
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
  margin-bottom: 0.5rem;
  font-family: var(--font-secondary);
  transition: var(--transition-fast);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.stat-label {
  font-size: 1rem;
  color: var(--text-white);
  opacity: 0.9;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.stat-item:hover .stat-label {
  opacity: 1;
  color: var(--accent-gold-light);
}

/* 统计数据动画关键帧 */
@keyframes statsFadeIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes statItemSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes numberFadeIn {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes labelFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 0.9;
    transform: translateY(0);
  }
}

/* 标签页 */
.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tab-button {
  background: transparent;
  border: 2px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  transition: var(--transition-fast);
  font-weight: var(--font-weight-medium);
}

.tab-button:hover,
.tab-button.active {
  background: var(--accent-gold);
  color: var(--text-dark);
}

/* 运营物业网格 */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.property-card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
}

.property-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.property-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.property-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-medium);
}

.property-card:hover .property-image img {
  transform: scale(1.1);
}

.property-overlay {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.property-status {
  background: var(--accent-gold);
  color: var(--text-dark);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
}

.property-info {
  padding: 1.5rem;
}

.property-info h3 {
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.property-info p {
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.property-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.property-stat {
  text-align: center;
  padding: 0.75rem;
  background: var(--background-light);
  border-radius: var(--border-radius-small);
}

.property-stat .stat-value {
  display: block;
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  color: var(--accent-gold);
  margin-bottom: 0.25rem;
}

.property-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-gray);
}

/* 建筑总包网格 */
.construction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.construction-card {
  background: var(--text-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.construction-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

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

.construction-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.construction-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--text-dark);
}

.construction-card h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.construction-card p {
  color: var(--text-gray);
  line-height: 1.6;
}

/* 基金链接样式 */
.fund-link-container {
  margin-top: 1.5rem;
  text-align: center;
}

.fund-link {
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: 1rem;
  position: relative;
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: rgba(243, 156, 18, 0.1);
  border-radius: 25px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(243, 156, 18, 0.2);
  transition: all var(--transition-fast);
}

.fund-link:hover {
  background: rgba(243, 156, 18, 0.15);
  border-color: rgba(243, 156, 18, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(243, 156, 18, 0.2);
}

.fund-link.disabled {
  color: var(--text-gray);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.1);
  cursor: not-allowed;
}

.fund-link.disabled:hover {
  transform: none;
  box-shadow: none;
}

.funds-section-footer {
  text-align: center;
  margin-top: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  position: relative;
  display: inline-block;
  padding: 0.5rem 0;
  transition: all var(--transition-fast);
}

.section-link:hover {
  color: var(--accent-gold);
  transform: translateX(5px);
}

.section-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-fast);
}

.section-link:hover::after {
  width: 100%;
}

/* 首页基金广告入口 */
.fund-ad {
  text-align: center;
  margin-bottom: 2rem;
}

.fund-ad-link {
  display: inline-block;
  color: var(--text-white);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 25px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

/* 光线扫描效果 */
.fund-ad-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(243, 156, 18, 0.3), transparent);
  transition: left 0.8s ease-in-out;
  animation: light-scan 3s ease-in-out infinite;
}

@keyframes light-scan {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.fund-ad-link:hover::before {
  animation: none;
  left: 100%;
}

.fund-ad-link:hover {
  color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .nav-container {
    gap: 1rem;
  }
  
  .nav-menu {
    gap: 1rem;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .business-layout {
    gap: 3rem;
  }
  
  .business-main-title {
    font-size: 3.5rem;
  }
}

@media (max-width: 992px) {
  .nav-container {
    padding: 1rem;
  }
  
  .nav-menu {
    gap: 0.75rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.5rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.3rem;
  }
  
  .business-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .business-main-title {
    font-size: 3rem;
    text-align: center;
  }
  
  .business-background-image img {
    height: auto;
  }
  
  .business-grid {
    grid-template-columns: 1fr;
  }
}

/* 触摸设备优化 - 使用hover和pointer媒体特性检测 */
@media (hover: none) and (pointer: coarse) {
  /* 移动端和平板设备：禁用fixed背景 */
  .section-with-bg,
  .hero-background,
  .hero-business,
  .hero-funds,
  .hero-properties,
  .hero-construction {
    background-attachment: scroll !important;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--primary-blue);
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
    white-space: normal;
  }
  
  /* 移动端hero标题背景图层调整 */
  .hero:not(.hero-home) .hero-title {
    padding: 0.75rem 1.5rem;
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
    white-space: normal;
  }
  
  /* 移动端hero副标题背景图层调整 */
  .hero:not(.hero-home) .hero-subtitle {
    padding: 0.5rem 1rem;
    font-size: 1.1rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    bottom: 1rem;
    padding: 1rem;
  }
  
  .business-grid,
  .project-grid,
  .funds-grid {
    grid-template-columns: 1fr;
  }
  
  .business-main-title {
    font-size: 2.5rem;
  }
  
  .business-background-image img {
    height: auto;
  }
  
  .business-grid {
    grid-template-columns: 1fr;
  }
  
  .fund-link {
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
  }
  
  .section-link {
    font-size: 1rem;
  }
  
  .business-detail .overview-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .fund-detail {
    padding: 2rem;
  }
  
  .construction-overview .overview-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-stats {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: 2rem;
  }
  
  /* 移动端背景图优化 */
  .section-with-bg {
    background-attachment: scroll !important;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
  }

  /* 移动端Hero背景优化 */
  .hero-background {
    background-attachment: scroll !important;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
  }

  /* 移动端特定背景图调整 */
  .hero-business,
  .hero-funds,
  .hero-properties,
  .hero-construction {
    background-attachment: scroll !important;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
  }

  .fund-ad {
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  .fund-ad-link {
    font-size: 1rem;
    padding: 0.75rem 1.25rem;
  }
}

@media (max-width: 576px) {
  .nav-container {
    padding: 0.75rem;
  }
  
  .company-name {
    font-size: 1.3rem;
  }
  
  .company-tagline {
    font-size: 0.8rem;
  }
  
  .hero-title {
    font-size: 2rem;
    white-space: normal;
  }
  
  /* 小屏幕hero标题背景图层调整 */
  .hero:not(.hero-home) .hero-title {
    padding: 0.5rem 1rem;
    font-size: 1.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
    white-space: normal;
  }
  
  /* 小屏幕hero副标题背景图层调整 */
  .hero:not(.hero-home) .hero-subtitle {
    padding: 0.4rem 0.8rem;
    font-size: 1rem;
  }
  
  .business-main-title {
    font-size: 2rem;
  }
  
  .business-background-image img {
    height: auto;
  }

  .fund-ad {
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  .fund-ad-link {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
  }
}