/* =============================================
  Footer 底部样式
   ============================================= */
:root {
    --footer-bg: #0b1220;
    --footer-card-bg: #0f172a;
    --footer-text: #cbd5e1;
    --footer-muted: #94a3b8;
    --footer-border: rgba(148, 163, 184, 0.15);
    --footer-accent: #2dd4bf;
    --footer-link-text: #e2e8f0;
}

.site-footer {
    background: radial-gradient(1200px 600px at 80% -200px, rgba(45, 212, 191, 0.06), transparent 60%),
                radial-gradient(1000px 500px at 10% -150px, rgba(56, 189, 248, 0.06), transparent 60%),
                var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--footer-border);
}

.footer-inner {
    margin: 0 auto;
    padding: 48px 10% 16px;
    box-sizing: border-box;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1.2fr;
    gap: 24px;
}

.footer-brand {
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
}

.footer-brand .brand-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
}

.footer-brand .brand-title-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 4px 0 12px;
    color: #e2e8f0;
}

.footer-links,
.footer-contacts {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--footer-text);
    text-decoration: none;
    padding: 6px 0;
    font-size: 14px;
    transition: color .2s ease;
}

.footer-links li a i {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 1px solid var(--footer-border);
    border-radius: 4px;
}

.footer-links li a:hover {
    color: #ffffff;
}

.footer-contacts li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    color: var(--footer-text);
    font-size: 14px;
}

.footer-contacts li strong {
    color: #ffffff;
    font-size: 22px;
    font-weight: 800;
}

.footer-contacts a[href^="mailto:"] {
    color: var(--footer-link-text);
    text-decoration: none;
    transition: color .2s ease;
}

.footer-contacts a[href^="mailto:"]:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-contacts .badge {
    font-size: 11px;
    color: var(--footer-accent);
    background: rgba(45, 212, 191, 0.08);
    border: 1px solid rgba(45, 212, 191, 0.3);
    padding: 1px 6px;
    border-radius: 999px;
}

.footer-qrcode {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-qrcode .qr-img {
    width:50%;
    border-radius: 10px;
    object-fit: cover;
    background: linear-gradient(180deg, rgba(148,163,184,.12), rgba(148,163,184,.08));
    border: 1px dashed var(--footer-border);
}

.footer-qrcode .qr-text {
    color: var(--footer-muted);
    font-size: 12px;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--footer-border), transparent);
    margin: 28px 0 12px;
}

/* Friendly Links Section */
.footer-links-section {
    padding: 20px 0;
    text-align: center;
}

.footer-links-title {
    font-size: 16px;
    font-weight: 600;
    color: #e2e8f0;
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-friendly-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
    align-items: center;
}

.footer-friendly-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.footer-friendly-links a:hover {
    color: #ffffff;
    background: rgba(45, 212, 191, 0.1);
    border-color: rgba(45, 212, 191, 0.3);
    transform: translateY(-2px);
}

/* Social Media Section */
.footer-social-section {
    padding: 20px 0;
    text-align: center;
}

.footer-social-title {
    font-size: 16px;
    font-weight: 600;
    color: #e2e8f0;
    margin: 0 0 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    align-items: center;
}

.footer-social-links .social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--footer-border);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 80px;
}

.footer-social-links .social-link:hover {
    background: rgba(45, 212, 191, 0.1);
    border-color: rgba(45, 212, 191, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.2);
}

.footer-social-links .social-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease;
}

.footer-social-links .social-link:hover .social-icon {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(45, 212, 191, 0.6));
}

.footer-social-links .social-name {
    color: var(--footer-text);
    font-size: 12px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-social-links .social-link:hover .social-name {
    color: #ffffff;
}

@media (max-width: 768px) {
    .footer-social-links {
        gap: 12px;
    }
    
    .footer-social-links .social-link {
        min-width: 70px;
        padding: 10px 12px;
    }
    
    .footer-social-links .social-icon {
        width: 28px;
        height: 28px;
    }
    
    .footer-social-links .social-name {
        font-size: 11px;
    }
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: var(--footer-muted);
    font-size: 12px;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 10px 16px;
    flex-wrap: wrap;
}

.footer-bottom .compliance {
    line-height: 1.75;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.footer-bottom .legal-links {
    display: flex;
    gap: 16px;
}

.footer-bottom a {
    color: var(--footer-muted);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #e2e8f0;
}

.police-icon-img {
    width: 16px;
    height: 16px;
    vertical-align: -3px;
    margin-right: 4px;
}

/* =============================================
   Cookie Consent Banner
   ============================================= */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cookie-text h4 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: #2dd4bf;
}

.cookie-text p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: #cbd5e1;
}

.cookie-text a {
    color: #2dd4bf;
    text-decoration: underline;
}

.cookie-text a:hover {
    color: #5eead4;
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.cookie-btn-accept {
    background: #2dd4bf;
    color: #0f172a;
}

.cookie-btn-accept:hover {
    background: #5eead4;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 212, 191, 0.4);
}

.cookie-btn-decline {
    background: transparent;
    color: #cbd5e1;
    border: 1px solid #475569;
}

.cookie-btn-decline:hover {
    background: #1e293b;
    border-color: #64748b;
    color: #fff;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cookie-actions {
        flex-direction: column;
    }
    
    .cookie-btn {
        width: 100%;
    }
}

/* =============================================
   通用按钮样式
   ============================================= */
.cs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: all .2s ease;
    border: 1px solid transparent;
    box-shadow: 0 2px 12px rgba(0,114,206,0.09);
}

.cs-btn.primary {
    background: var(--brand-gradient);
    color: #fff;
    border: none;
}

.cs-btn.primary:hover {
    background: var(--brand-gradient-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,114,206,0.15);
}

.cs-btn.ghost {
    background: #FFF;
    color: var(--brand-primary);
    border: 1px solid var(--brand-alpha-25);
    box-shadow: none;
}

.cs-btn.ghost:hover {
    background: #fff;
    color: var(--brand-primary);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,114,206,0.15);
}

/* =============================================
   通用英雄区样式
   ============================================= */
.hero {
    margin-top: 0;
    background: url(../images/banner1.jpg) center / cover no-repeat;
}

.hero .container {
    padding-top: 60px;
    padding-bottom: 60px;
}

.hero-content {
    text-align: left;
}

/* 英雄区标题统一样式 - 提高优先级确保不被其他样式覆盖 */
h1.hero-title, h2.hero-title, h3.hero-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

h1.section-title, h2.section-title, h3.section-title {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    text-transform: uppercase;
}

.main h2.section-title  span{
    border-bottom: 1px solid #d3d3d3;
    display: block;
    width: 40%;
    margin: 2% auto;
}
.main h2.section-title  img{position: absolute;right: 0;left: 0;margin: auto;top: 96%;}

/* 英雄区标题小屏样式 */
@media (max-width: 768px) {
    h1.hero-title, h2.hero-title, h3.hero-title {
        font-size: 26px;
        color: #333;
        margin-bottom: 10px;
    }
    
    h1.section-title, h2.section-title, h3.section-title {
        font-size: 26px;
        color: #333;
        margin-bottom: 10px;
    }
}

/* SEO友好的隐藏文本样式 - 对搜索引擎可见但用户不可见 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Logo下方显示的站点标题 */
.site-title {
    font-size: 26px;
    font-weight: 500;
    text-align: center;
    color: #2a2a2a;
    text-transform: uppercase;
}

/* =============================================
   通用卡片样式
   ============================================= */
.card {
    background: #FFF;
    border: 1px solid #eef2f6;
    border-radius: 12px;
    padding: 20px;
    text-align: left;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: 0 8px 32px rgba(24, 144, 255, 0.13);
    transform: translateY(-2px);
}

/* 卡片变体 */
.card.compact {
    padding: 16px;
}

.card.large {
    padding: 24px;
}

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

/* =============================================
   通用section容器样式
   ============================================= */
.section {
    padding: 32px 0;
}

.section.large {
    padding: 48px 0;
}

.section.small {
    padding: 24px 0;
}

/* 主要内容区域 */
.main {
    padding: 60px 0 0;
    text-align: center;
}

/* 限制全局H1样式作用范围，避免影响英雄区和内容页标题 */
.main h1:not(.hero-title):not(.article-title):not(.title) {
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}

.main p {
    font-size: 14px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}
/* 覆盖 .main p 全局边距对英雄区副标题的影响 */
.main .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
}

/* =============================================
   通用页面主容器样式
   ============================================= */
.page-main {
    padding-top: 0;
}

/* =============================================
   通用卡片样式
   ============================================= */
.card {
    background: #4A9EFF;
    border: 1px solid #eef2f6;
    border-radius: 12px;
    padding: 16px;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.card:hover {
    border-color: #e1ecf8;
    box-shadow: 0 2px 10px rgba(17,24,39,.06);
    transform: translateY(-1px);
}

@media (min-width: 768px) {
    .card {
        padding: 20px;
    }
}

/* =============================================
   通用按钮链接样式
   ============================================= */
.btn-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid #e6eef7;
    background: #4A9EFF;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    line-height: 1;
    transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.btn-link:hover {
    background: #f5faff;
    border-color: #b7d3f5;
    color: var(--brand-primary);
}

/* =============================================
   通用文本链接下划线动画
   ============================================= */
.link-underline {
    color: inherit;
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition: color .2s ease, background-size .2s ease;
}

.link-underline:hover {
    color: var(--brand-primary);
    background-size: 100% 1px;
}

/* =============================================
   通用Meta信息样式
   ============================================= */
.meta-info {
    font-size: 13px;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.meta-info .dot {
    color: #9ca3af;
}

/* =============================================
   响应式设计
   ============================================= */
@media (max-width: 900px) {
    .hero .container {
        padding-top: 40px;
        padding-bottom: 40px;
    }
}

@media (max-width: 768px) {`r`n    .footer-top {`r`n        grid-template-columns: 1fr;`r`n    }`r`n}

/* =============================================
   统一响应式断点
   ============================================= */

/* 大屏幕 (1200px+) - 桌面端 */
@media (min-width: 1200px) {
    .card.large {
        padding: 28px;
    }
}

/* 中等屏幕 (768px - 1199px) - 平板端 */
@media (max-width: 1199px) and (min-width: 768px) {
    .card {
        padding: 24px;
    }
}

/* 小屏幕 (767px及以下) - 移动端 */
@media (max-width: 767px) {
    .card {
        padding: 16px;
    }
    
    .section {
        padding: 24px 0;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .footer-top .footer-col:nth-child(2),
    .footer-top .footer-col:nth-child(3),
    .footer-top .footer-col:nth-child(4) {
        display: none;
    }
}

@media (max-width: 640px) {
    .footer-inner {
        padding: 24px 12px 12px;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .footer-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .footer-divider {
        margin: 16px 0;
    }
}

/* =============================================
   侧栏卡片样式 - 通用组件
   适用于：list页面和content页面的右侧侧栏
   ============================================= */

/* 侧栏布局 */
.qalist-section .qalist-layout { 
  display: grid; 
  grid-template-columns: 1fr; 
  gap: 20px; 
  margin-top: 24px; 
  align-items: start; 
}
@media (min-width: 1024px) { 
  .qalist-section .qalist-layout { 
    grid-template-columns: minmax(0, 1fr) 320px; 
    gap: 24px 32px; 
  } 
  .qalist-section .qalist-aside { 
    position: static; 
    top: auto; 
  }
}
.qalist-section .qalist-maincol { 
  min-width: 0; 
}

/* 侧栏卡片基础样式 */
.qalist-section .aside-card { 
  background: #FFF; 
  border: 1px solid #eef2f6; 
  border-radius: 12px; 
  padding: 16px; 
  box-shadow: none; 
  text-align: left; 
}
.qalist-section .aside-card + .aside-card { 
  margin-top: 16px; 
}

/* 侧栏标题样式 */
.qalist-section .aside-title { 
  margin: 0 0 10px; 
  font-size: 16px; 
  font-weight: 700; 
  color: #111827; 
  position: relative; 
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-left: 14px;
}

/* 标题伪元素基础样式 */
.qalist-section .aside-title::before { 
  content: ""; 
  position: absolute; 
  left: 0; 
  top: 50%;
  transform: translateY(-50%);
  width: 4px; 
  height: 1.2em;
  border-radius: 2px; 
}
.qalist-section .aside-title::after {
  content: "";
  height: 1px;
  width: 60px;
  border-radius: 1px;
}

/* 蓝色风格（默认） */
.qalist-section .aside-title::before {
  background: var(--brand-gradient-180);
}
.qalist-section .aside-title::after {
  background: linear-gradient(90deg, rgba(0,114,206,.35) 0%, rgba(0,114,206,0) 100%);
}

/* 绿色风格（可通过添加 .green-style 类使用） */
.qalist-section .aside-title.green-style::before {
  background: linear-gradient(180deg, #34d399 0%, #059669 100%);
}
.qalist-section .aside-title.green-style::after {
  background: linear-gradient(90deg, rgba(16,185,129,.35) 0%, rgba(16,185,129,0) 100%);
}

/* 相关文章通用样式 */
.related {
    margin-top: 24px;
  }
  
  .related .related-title {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-left: 14px;
    margin: 0 0 10px;
    font-weight: 700;
    font-size: 16px;
    color: #111827;
  }
  
  .related .related-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.2em;
    border-radius: 2px;
    background: var(--brand-gradient-180);
  }
  
  .related .related-title::after {
    content: "";
    height: 1px;
    width: 60px;
    border-radius: 1px;
    background: linear-gradient(90deg, rgba(0,114,206,.35) 0%, rgba(0,114,206,0) 100%);
  }
  
  .related-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  @media (min-width: 600px) {
    .related-list {
      grid-template-columns: 1fr 1fr;
    }
  }
  
  .related-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
    padding: 10px;
    border: 1px solid #eef2f6;
    border-radius: 10px;
    background: #FFF;
    text-decoration: none;
    color: inherit;
  }
  
  .related-item:hover {
    background: #f8fbff;
  }
  
  .related-thumb {
    width: 100%;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid #eef2f6;
  }
  
  .related-item h4 {
    margin: 0 0 6px;
    font-size: 14px;
    color: #111827;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .related-item .meta {
    font-size: 12px;
    color: #6b7280;
  }

/* 侧栏列表基础样式 */
.qalist-section .aside-list { 
  list-style: none; 
  padding: 0; 
  margin: 0; 
  display: grid; 
  gap: 8px; 
  text-align: left; 
}
.qalist-section .aside-list a { 
  display: inline-flex; 
  align-items: center; 
  justify-content: flex-start; 
  gap: 8px; 
  color: #374151; 
  text-decoration: none; 
  transition: color .2s ease, background-color .2s ease; 
  padding: 6px 8px; 
  border-radius: 8px; 
}
.qalist-section .aside-list a::before { 
  content: ""; 
}
.qalist-section .aside-list a:hover { 
  color: var(--brand-primary); 
  background: #f5faff; 
}

/* 热门问答：数字徽标序号 */
.qalist-section .hot-qa .aside-list { 
  counter-reset: idx; 
}
.qalist-section .hot-qa .aside-list li { 
  counter-increment: idx; 
}
.qalist-section .hot-qa .aside-list a { 
  gap: 12px; 
  position: relative; 
  padding-left: 48px; 
  line-height: 1.65; 
  display: -webkit-box; 
  -webkit-box-orient: vertical; 
  -webkit-line-clamp: 2; 
  line-clamp: 2; 
  overflow: hidden; 
  word-break: break-word; 
}
.qalist-section .hot-qa .aside-list a::before {
  content: counter(idx);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: #e8f2ff;
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 13px;
  flex: 0 0 22px;
  margin-right: 0;
  position: absolute;
  left: 12px;
  top: 30px;
}

/* 相关产品：箭头前缀 */
.qalist-section .quick-links .aside-list a::before {
  content: "›";
  color: #9ca3af;
  font-size: 16px;
  line-height: 1;
  width: 14px;
  text-align: center;
  position: absolute;
  left: 8px;
  top: 7px;
}
.qalist-section .quick-links .aside-list a {
  position: relative; 
  padding-left: 26px; 
  line-height: 1.65; 
  display: -webkit-box; 
  -webkit-box-orient: vertical; 
  -webkit-line-clamp: 2; 
  line-clamp: 2; 
  overflow: hidden; 
  word-break: break-word; 
}

/* 联系我们卡片 */
.qalist-section .contact-box { 
  background: #fbfdff; 
  border: 1px dashed #d6e7fb; 
  border-radius: 10px; 
  padding: 12px; 
  text-align: left; 
}
.qalist-section .contact-tip { 
  margin: 0 0 6px; 
  color: #6b7280; 
  font-size: 13px; 
}
.qalist-section .contact-phone { 
  display: inline-block; 
  font-weight: 800; 
  color: var(--brand-primary); 
  font-size: 18px; 
  text-decoration: none; 
  letter-spacing: .5px; 
}
.qalist-section .contact-phone:hover { 
  text-decoration: underline; 
}
.qalist-section .contact-desc { 
  margin: 6px 0 0; 
  color: #6b7280; 
  font-size: 12px; 
}

/* =============================================
   底部固定导航（通用，小屏显示）
   使用方式：任何页面加入相同的 #page-bottom-nav 结构即可使用
   ============================================= */

/* 默认隐藏，防止在桌面端以普通块级元素显示占位 */
#page-bottom-nav { display: none; }

@media (max-width: 1000px){
  /* 预留底部空间，避免内容被遮挡（全站小屏统一预留） */
  .site-footer { padding-bottom: 60px; }

  #page-bottom-nav.bottom-nav{
    display: grid;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    grid-template-columns: repeat(4,1fr);
    align-items: center;
    gap: 0;
    height: 60px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0));
    background: #ffffff;
    border-top: 1px solid rgba(15,23,42,.08);
    border-radius: 0;
    box-shadow: none;
  }

  #page-bottom-nav .bottom-item{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #0f172a;
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .2px;
    border-radius: 12px;
    transition: background-color .2s ease, color .2s ease;
  }
  #page-bottom-nav .bottom-item .icon{ width: 22px; height: 22px; color: #334155; transition: color .2s ease; }
  #page-bottom-nav .bottom-item i{
    font-size: 20px;
    height: 21px;
    line-height: initial;
    color: #334155;
    transition: color .2s ease;
  }
  #page-bottom-nav .bottom-item:hover{ background: rgba(22,119,255,.06); color: var(--brand, #1677ff); }
  #page-bottom-nav .bottom-item:hover i{ color: var(--brand, #1677ff); }

  /* 电话 CTA 高亮 */
  #page-bottom-nav .bottom-item.call{ background: transparent; color: var(--brand, #1677ff); }
  #page-bottom-nav .bottom-item.call .icon{ color: var(--brand, #1677ff); }
  #page-bottom-nav .bottom-item.call i{ color: var(--brand, #1677ff); }
}

/* =============================================
   侧边悬浮菜单（通用，桌面端显示）
   ============================================= */
   
#side-float.side-float{ display: none; }
aside {
    display: none;
    unicode-bidi: isolate;
}
@media (min-width: 1000px){
    aside {
    display: block;
    unicode-bidi: isolate;
}
  #side-float.side-float{
    position: fixed;
    right: 18px;
    top: 45%;
    transform: translateY(-50%);
    bottom: auto;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  /* 每一行：图标+气泡 组成一个 hover 区域 */
  .side-float .sf-row{ position: relative; }

  .side-float .sf-item{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: #ffffff;
    color: #334155;
    border: 1px solid rgba(15,23,42,.08);
    box-shadow: 0 4px 12px rgba(2,12,27,.10);
    text-decoration: none;
    transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
    position: relative; /* 供角标定位 */
  }
  .side-float .sf-item:hover{
    background: #f5faff;
    color: var(--brand-primary);
    box-shadow: 0 8px 22px rgba(0,114,206,.20);
  }
  .side-float .sf-item .icon{ width: 20px; height: 20px; color: currentColor; }
  .side-float .sf-item i{ font-size: 20px; color: currentColor; }
  /* 在线客服强化样式 */
  .side-float .sf-item.accent{
    background: #ffffff;
    color: var(--brand-primary);
    border-color: rgba(0,102,204,.35);
    box-shadow: 0 4px 14px rgba(24,144,255,.15);
    font-weight: 800;
  }
  .side-float .sf-item.accent:hover{
    background: #f0f7ff;
    color: var(--brand-primary);
    box-shadow: 0 8px 22px rgba(24,144,255,.24);
  }
  /* 在线客服角标徽标（无需改HTML） */
  .side-float .sf-item.accent::after{
    content: "Sales";
    position: absolute;
    top: -6px;
    right: -6px;
    font-size: 10px;
    line-height: 1;
    padding: 3px 6px;
    border-radius: 999px;
    background: var(--brand-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(24,144,255,.28);
    pointer-events: none;
  }

  /* 气泡/卡片（如微信二维码、电话文案） */
  .side-float .sf-pop{
    position: absolute;
    right: calc(100% + 8px); /* 与图标留出 8px 安全间距 */
    top: 50%;
    min-width: 200px; /* 略增宽度，避免文案拥挤换行 */
    max-width: 260px;
    padding: 12px 14px;
    background: linear-gradient(180deg,#ffffff 0%, #f9fbff 100%);
    border: 1px solid rgba(15,23,42,.08);
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(2,12,27,.16);
    display: none;
    opacity: 0;
    transform: translate(0, -50%);
    transition: opacity .18s ease, transform .18s ease, box-shadow .2s ease;
    z-index: 1001; /* 高于父容器，避免被遮挡 */
  }
  /* 小尖角 */
  .side-float .sf-pop::after{
    content: "";
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0; height: 0;
    border: 6px solid transparent;
    border-left-color: #ffffff;
    filter: drop-shadow(0 1px 1px rgba(2,12,27,.10));
  }
  /* 旧的直接兄弟选择器与自身 hover 仍保留，增加更稳定的父容器 hover 控制 */
  .side-float .sf-item:hover + .sf-pop,
  .side-float .sf-pop:hover,
  .side-float .sf-row:hover .sf-pop{ display: block; opacity: 1; transform: translate(0, -50%); }

  .side-float .sf-pop h5{ margin: 0 0 6px; font-size: 13px; color: #0f172a; font-weight: 800; letter-spacing: .2px; position: relative; padding-bottom: 6px; }
  .side-float .sf-pop h5::after{ content: ""; position: absolute; left: 0; bottom: 0; width: 42px; height: 2px; border-radius: 2px; background: var(--brand-gradient, linear-gradient(90deg,#0066CC,#4A9EFF)); box-shadow: 0 2px 6px rgba(24,144,255,.22); }
  .side-float .sf-pop p{ margin: 6px 0 0; font-size: 12px; color: #475569; line-height: 1.75; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .side-float .sf-pop .tel{ display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; background: rgba(0,114,206,.08); border: 1px solid rgba(0,114,206,.25); font-size: 15px; font-weight: 900; color: var(--brand-primary); letter-spacing: .3px; white-space: nowrap; line-height: 1.5; }
  .side-float .sf-pop .tel::before{ content: "☎"; font-size: 12px; line-height: 1; color: var(--brand-primary); }
  .side-float .sf-pop .qr{ width: 120px; height: 120px; border-radius: 10px; display: block; border: 1px dashed #e2e8f0; background: #fff; box-shadow: 0 2px 10px rgba(24,144,255,.10); }
}

/* =============================================
   Footer Contact Form 底部表单样式
   ============================================= */
.footer-contact-form {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  padding: 60px 0;
  border-top: 1px solid #e9ecef;
}

.footer-contact-form .form-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid #eef2f6;
}

.footer-contact-form .form-header {
  text-align: center;
  margin-bottom: 32px;
}

.footer-contact-form .form-title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 12px;
}

.footer-contact-form .form-subtitle {
  font-size: 15px;
  color: #6b7280;
  margin: 0;
}

.footer-contact-form .contact-form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.footer-contact-form .form-group {
  display: flex;
  flex-direction: column;
}

.footer-contact-form .form-group-full {
  grid-column: 1 / -1;
}

.footer-contact-form .form-input,
.footer-contact-form .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 14px;
  color: #1a1a1a;
  background: #ffffff;
  transition: all 0.2s ease;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
}

.footer-contact-form .form-input:focus,
.footer-contact-form .form-textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.footer-contact-form .form-input::placeholder,
.footer-contact-form .form-textarea::placeholder {
  color: #9ca3af;
}

.footer-contact-form .form-textarea {
  resize: vertical;
  min-height: 100px;
}

.footer-contact-form .form-submit-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.footer-contact-form .form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 40px;
  background: var(--brand-gradient);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
}

.footer-contact-form .form-submit-btn:hover {
  background: var(--brand-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.footer-contact-form .btn-icon {
  font-size: 18px;
  line-height: 1;
}

.footer-contact-form .form-note {
  font-size: 12px;
  color: #9ca3af;
  margin: 0;
  text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer-contact-form {
    padding: 40px 0;
  }
  
  .footer-contact-form .form-wrapper {
    padding: 24px;
  }
  
  .footer-contact-form .form-title {
    font-size: 22px;
  }
  
  .footer-contact-form .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .footer-contact-form .form-group-full {
    grid-column: 1;
  }
}

.form-submit-wrapper button{
    width: 45%;
    padding: 20px;
}
.product-more a, .business-card-btn,.form-submit-btn {
    border: none;
    border-radius: 30px; /* 圆角 */
    
    /* 渐变背景 */
    background: linear-gradient(to bottom, #0498ed, #014bb6);
    
    /* 内阴影（顶部高光） */
    box-shadow: 
        inset 0 2px 4px rgba(255,255,255,0.4),
        inset 0 -2px 4px rgba(0,0,0,0.2),
        0 4px 8px rgba(0,0,0,0.3); /* 外阴影 */
    color: #fff;
    font-size: 18px;
    margin: auto;
    cursor: pointer;
    
    /* 去掉默认样式 */
    padding: 3% 15%;
    display: block;
    width: 300px;
    text-decoration: solid;
}
.product-more a img{
    width: 10%;
    vertical-align: middle;
    margin-left: 3%;
}


.product-more a:active,.business-card-btn:active,.form-submit-btn:active {
    box-shadow: 
        inset 0 3px 6px rgba(0,0,0,0.3),
        0 2px 4px rgba(0,0,0,0.2);
    transform: translateY(2px); /* 按下去的感觉 */
}