/* Global link underline removal */
a { text-decoration: none; }
a:hover { text-decoration: none; }

.content-auto {
    content-visibility: auto;
  }

.text-shadow {
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  }

.card-hover {
    transition: all 0.3s ease;
  }

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,82,204,0.2);
  }

.gradient-bg {
    background: linear-gradient(135deg, #0052CC 0%, #0066FF 50%, #00A3FF 100%);
  }

.section-title {
    margin-bottom: 0.75rem;
    text-align: center;
    font-size: clamp(1.5rem,3.5vw,2.25rem);
    font-weight: 700;
    --tw-text-opacity: 1;
    color: rgb(0 31 77 / var(--tw-text-opacity, 1));
}

.section-subtitle {
    margin-bottom: 2.5rem;
    text-align: center;
    font-size: 1rem;
    line-height: 1.5rem;
    --tw-text-opacity: 1;
    color: rgb(107 114 128 / var(--tw-text-opacity, 1));
}

@media (min-width: 768px) {
.section-subtitle {
        margin-bottom: 3rem;
        font-size: 1.125rem;
        line-height: 1.75rem;
    }
}

.nav-link {
    font-weight: 500;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.nav-link:hover {
    --tw-text-opacity: 1;
    color: rgb(0 163 255 / var(--tw-text-opacity, 1));
}

.service-card {
    border-radius: 0.75rem;
    border-width: 1px;
    --tw-border-opacity: 1;
    border-color: rgb(243 244 246 / var(--tw-border-opacity, 1));
    --tw-bg-opacity: 1;
    background-color: rgb(255 255 255 / var(--tw-bg-opacity, 1));
    padding: 1.25rem;
    --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,82,204,0.2);
  }

@media (min-width: 768px) {
.service-card {
        padding: 1.5rem;
    }
}

.service-card > div:first-child {
    margin: 0 auto 1rem auto;
  }

.service-card h4 {
    text-align: center;
  }

.btn-primary {
    border-radius: 0.5rem;
    --tw-bg-opacity: 1;
    background-color: rgb(0 102 255 / var(--tw-bg-opacity, 1));
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    font-weight: 700;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.btn-primary:hover {
    --tw-bg-opacity: 1;
    background-color: rgb(0 82 204 / var(--tw-bg-opacity, 1));
    --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 20px 25px -5px var(--tw-shadow-color), 0 8px 10px -6px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

@media (min-width: 768px) {
.btn-primary {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.btn-outline {
    border-radius: 0.5rem;
    border-width: 2px;
    --tw-border-opacity: 1;
    border-color: rgb(255 255 255 / var(--tw-border-opacity, 1));
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    font-weight: 700;
    --tw-text-opacity: 1;
    color: rgb(255 255 255 / var(--tw-text-opacity, 1));
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.btn-outline:hover {
    --tw-bg-opacity: 1;
    background-color: rgb(255 255 255 / var(--tw-bg-opacity, 1));
    --tw-text-opacity: 1;
    color: rgb(0 82 204 / var(--tw-text-opacity, 1));
}

@media (min-width: 768px) {
.btn-outline {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.navbar-fixed {
    background-color: rgb(0 31 77 / 0.95);
    --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 20px 25px -5px var(--tw-shadow-color), 0 8px 10px -6px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
    --tw-backdrop-blur: blur(12px);
    -webkit-backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
    backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0052CC, #0066FF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 4px 15px rgba(0,82,204,0.4);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,82,204,0.5);
}

.hero-bg {
  background: linear-gradient(135deg, rgba(0,31,77,0.92) 0%, rgba(0,82,204,0.88) 100%),
              url('/img/us/us_1588702547923-70_1920.jpg') center/cover;
}

.faq-item {
  background: white;
  border-radius: 12px;
  padding: 0 20px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid #e5e7eb;
}

.faq-question {
  cursor: pointer;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
  color: #1f2937;
  transition: color 0.3s;
}

.faq-question:hover {
  color: #0052CC;
}

.faq-answer {
  max-height: 1000px;
  overflow: visible;
  color: #6b7280;
  padding-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-icon {
  transition: transform 0.3s;
  color: #0052CC;
}

.faq-icon.collapsed {
  transform: rotate(-90deg);
}

.gallery-item {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  padding: 20px 12px 10px;
  font-size: 0.85rem;
  font-weight: 500;
}

.brand-logo {
  background: white;
  border-radius: 8px;
  padding: 15px 10px;
  text-align: center;
  font-weight: bold;
  color: #4b5563;
  font-size: 1.125rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: all 0.3s;
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.brand-logo .brand-en {
  font-size: 0.875rem;
  font-weight: normal;
  color: #9ca3af;
  margin-top: 3px;
}

.brand-logo:hover {
  box-shadow: 0 4px 12px rgba(0,82,204,0.15);
  color: #0052CC;
  transform: translateY(-2px);
}

.brand-logo:hover .brand-en {
  color: #0052CC;
}

.price-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  border: 2px solid #e5e7eb;
  transition: all 0.3s ease;
}

.price-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0,82,204,0.15);
  border-color: #0052CC;
}

.price-card.featured {
  border-color: #0052CC;
  transform: scale(1.03);
}

.price-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.promise-badge {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 2px solid #f59e0b;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.float-contact {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 998;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  margin-bottom: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: all 0.3s;
}

.float-btn:hover {
  transform: scale(1.1);
}

.float-phone {
  background: linear-gradient(135deg, #10b981, #059669);
}

.float-wechat {
  background: linear-gradient(135deg, #10b981, #07c160);
}

.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 60;
}

.mobile-menu.open {
  transform: translateX(0);
}

.stars {
  color: #fbbf24;
}

@media (max-width: 768px) {
.hero-bg {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }
.gallery-item img {
    height: 120px;
  }
.float-contact {
    bottom: 80px;
    right: 15px;
  }
.float-btn {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
.back-to-top {
    width: 44px;
    height: 44px;
    bottom: 20px;
    right: 20px;
  }
}

/* ===== 补充缺失的自定义类 ===== */
.text-darkText {
  color: #001f4d;
}

.bg-lightCard {
  background-color: #f8fafc;
}

.bg-darkblueCard {
  background-color: #f0f5ff;
}

.card-shadow {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.border-secondary {
  --tw-border-opacity: 1;
  border-color: rgb(0 102 255 / var(--tw-border-opacity, 1));
}

/* FAQ卡片hover时文字变白 */
#faq .group p {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.7;
  transition: color 0.3s;
}
#faq .group:hover p {
  color: white;
}
#faq .group h3 {
  transition: color 0.3s;
}
/* ========== 从index.asp迁移的样式 ========== */
/* 微信二维码悬浮 */
.wechat-qr-btn{position:relative!important;cursor:pointer;}
.wechat-qr-img{display:none!important;position:absolute!important;right:130%!important;bottom:50%!important;transform:translateY(50%)!important;width:220px!important;max-width:none!important;max-height:none!important;height:220px!important;z-index:99999!important;border:4px solid #fff!important;border-radius:14px!important;box-shadow:0 10px 40px rgba(0,0,0,.28)!important;background:#fff!important;padding:10px!important;object-fit:fill!important;}
.wechat-qr-btn:hover .wechat-qr-img{display:block!important;}

/* FAQ卡片hover时文字变白 */
#faq .group:hover h3,
#faq .group:hover p {
    color: #ffffff !important;
}

/* 新闻列表样式 */
.news-item > div:first-child {
    margin: 0 1rem 0 0 !important;
}
.news-item h4 {
    text-align: left !important;
}

/* 常见问题FAQ移动端单列显示（电脑端保持原列数不变） */
@media (max-width: 767px) {
    .faq-list { grid-template-columns: 1fr !important; }
    .faq-list p,
    .faq-list li { overflow-wrap: anywhere; word-break: break-word; }
}