/* ===== Product Class Pro 样式 ===== */

/* Hero */
.pro-hero { position: relative; padding: 160px 0 100px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.pro-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, rgba(37,99,235,.2) 0%, transparent 50%); }
.pro-hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: 0; }
.pro-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,36,.85) 0%, rgba(30,58,95,.75) 50%, rgba(37,99,235,.65) 100%); z-index: 1; }
.pro-hero-pattern { position: absolute; inset: 0; opacity: .03; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); z-index: 2; }
.pro-hero-inner { position: relative; z-index: 3; text-align: center; color: #fff; }
.pro-breadcrumb { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 30px; font-size: .9rem; flex-wrap: wrap; }
.pro-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .3s; }
.pro-breadcrumb a:hover { color: #fff; }
.pro-breadcrumb-sep { color: rgba(255,255,255,.4); display: flex; }
.pro-breadcrumb-sep svg { width: 16px; height: 16px; }
.pro-breadcrumb-current { color: #fff; font-weight: 600; }
.pro-hero-title { font-size: clamp(1.5rem, 4vw, 3rem); font-weight: 800; margin: 0 0 16px; background: linear-gradient(135deg, #fff 0%, #93c5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.pro-hero-subtitle { font-size: clamp(0.9rem, 2vw, 1.25rem); color: rgba(255,255,255,.9); margin: 0 0 12px; max-width: none; }
.pro-hero-desc { font-size: 1rem; color: rgba(255,255,255,.7); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* 分类导航 */
.pro-class-nav { padding: 40px 0; background: #fff; border-bottom: 1px solid #e2e8f0; }
.pro-class-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.pro-class-group { background: #fff; border-radius: 16px; border: 1px solid #e2e8f0; overflow: hidden; transition: all .3s; }
.pro-class-group:hover, .pro-class-group.is-active { border-color: #2563eb; box-shadow: 0 10px 40px rgba(37,99,235,.15); }
.pro-class-group.is-active { background: linear-gradient(135deg, #eff6ff 0%, #fff 100%); }
.pro-class-l1 { display: flex; align-items: center; gap: 12px; padding: 20px 24px; text-decoration: none; color: #1e293b; font-weight: 700; font-size: 1.1rem; transition: all .3s; }
.pro-class-icon { width: 40px; height: 40px; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.pro-class-icon svg { width: 20px; height: 20px; }
.pro-class-name { flex: 1; }
.pro-class-arrow { color: #94a3b8; transition: transform .3s; }
.pro-class-arrow svg { width: 18px; height: 18px; }
.pro-class-group:hover .pro-class-arrow { transform: rotate(180deg); color: #2563eb; }
.pro-class-children { border-top: 1px solid #e2e8f0; padding: 16px 24px; }
.pro-class-l2-wrap { margin-bottom: 16px; }
.pro-class-l2-wrap:last-child { margin-bottom: 0; }
.pro-class-l2 { display: flex; align-items: center; gap: 10px; padding: 10px 0; text-decoration: none; color: #475569; font-weight: 600; transition: color .3s; }
.pro-class-l2:hover, .pro-class-l2-wrap.is-active .pro-class-l2 { color: #2563eb; }
.pro-class-dot { width: 8px; height: 8px; background: #cbd5e1; border-radius: 50%; transition: background .3s; }
.pro-class-l2:hover .pro-class-dot, .pro-class-l2-wrap.is-active .pro-class-dot { background: #2563eb; }
.pro-class-l3-list { margin-top: 8px; padding-left: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.pro-class-l3 { display: inline-block; padding: 6px 14px; background: #f1f5f9; border-radius: 20px; font-size: .85rem; color: #64748b; text-decoration: none; transition: all .3s; }
.pro-class-l3:hover, .pro-class-l3.is-active { background: #2563eb; color: #fff; }

/* 子分类展示 */
.pro-subclass { position: relative; padding: 100px 0; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); overflow: hidden; }
.pro-subclass-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 20%, rgba(37,99,235,.05) 0%, transparent 50%); }
.pro-section-header { text-align: center; margin-bottom: 60px; }
.pro-section-tag { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 2px; color: #2563eb; background: rgba(37,99,235,.1); padding: 10px 24px; border-radius: 50px; margin-bottom: 20px; }
.pro-section-header h2 { font-size: 2.2rem; font-weight: 800; color: #1e293b; margin: 0 0 16px; }
.pro-section-header p { font-size: 1.1rem; color: #64748b; margin: 0; }
.pro-subclass-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; position: relative; z-index: 1; }
.pro-subclass-card { display: flex; align-items: center; gap: 20px; padding: 28px; background: #fff; border-radius: 16px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .4s; animation: fadeInUp .5s ease-out both; animation-delay: var(--delay, 0s); }
.pro-subclass-card:hover { transform: translateY(-6px); border-color: #2563eb; box-shadow: 0 20px 50px rgba(37,99,235,.15); }
.pro-subclass-num { font-size: 2.5rem; font-weight: 800; color: rgba(37,99,235,.2); line-height: 1; }
.pro-subclass-content { flex: 1; }
.pro-subclass-content h3 { font-size: 1.2rem; font-weight: 700; color: #1e293b; margin: 0 0 8px; }
.pro-subclass-content p { font-size: .9rem; color: #64748b; margin: 0; line-height: 1.6; }
.pro-subclass-arrow { color: #94a3b8; transition: all .3s; }
.pro-subclass-arrow svg { width: 20px; height: 20px; }
.pro-subclass-card:hover .pro-subclass-arrow { color: #2563eb; transform: translateX(4px); }

/* 产品列表 */
.pro-products { padding: 80px 0; background: #fff; }
.pro-products-layout { display: grid; grid-template-columns: 280px 1fr; gap: 40px; }
.pro-sidebar { position: sticky; top: 100px; height: fit-content; }
.pro-sidebar-card { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.05); margin-bottom: 24px; }
.pro-sidebar-title { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; padding-bottom: 16px; border-bottom: 1px solid #e2e8f0; }
.pro-sidebar-title svg { width: 20px; height: 20px; color: #2563eb; }
.pro-filter-toggle { display: none; }
.pro-filter-body { display: block; }
.pro-filter-group { margin-bottom: 24px; }
.pro-filter-group:last-child { margin-bottom: 0; }
.pro-filter-group h4 { font-size: 18px; font-weight: 700; color: #1e293b; margin: 0 0 12px; }
.pro-filter-list { list-style: none; padding: 0; margin: 0; }
.pro-filter-list li { margin-bottom: 8px; }
.pro-filter-list li:last-child { margin-bottom: 0; }
.pro-filter-list a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: #000000; text-decoration: none; border-radius: 8px; transition: all .3s; font-size: 16px; }
.pro-filter-list a:hover { background: #f1f5f9; color: #2563eb; }
.pro-filter-dot { width: 6px; height: 6px; background: #cbd5e1; border-radius: 50%; transition: background .3s; }
.pro-filter-list a:hover .pro-filter-dot { background: #2563eb; }

/* 产品列表上方的介绍卡片 */
.pro-seo-card {
  background:#fff; border-radius:16px; padding:28px 30px;
  margin-bottom:24px; box-shadow:0 2px 12px rgba(0,0,0,.04);
  border:1px solid #eef2f6;
}
.pro-seo-card h2 {
  font-size:1.15rem; font-weight:700; color:#1e293b;
  margin:0 0 14px; padding-bottom:12px;
  border-bottom:2px solid #2563eb; display:inline-block;
}
.pro-seo-card-text {
  font-size:.93rem; line-height:1.8; color:#475569;
}
.pro-seo-card-text p { margin-bottom:12px; }

.pro-sidebar-cta { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); border-radius: 16px; padding: 28px; text-align: center; color: #fff; }
.pro-cta-icon { width: 56px; height: 56px; background: rgba(255,255,255,.15); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.pro-cta-icon svg { width: 28px; height: 28px; }
.pro-sidebar-cta h4 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.pro-sidebar-cta p { font-size: .85rem; color: rgba(255,255,255,.85); margin: 0 0 20px; }
.pro-cta-btn { display: inline-block; padding: 12px 28px; background: #fff; color: #2563eb; font-size: .9rem; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all .3s; }
.pro-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }

/* 产品列表主体 */
.pro-main { min-width: 0; }
.pro-list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid #e2e8f0; }
.pro-list-title { font-size: 1.5rem; font-weight: 700; color: #1e293b; margin: 0; }
.pro-list-count { font-size: .9rem; color: #64748b; }
.pro-list-count strong { color: #2563eb; font-weight: 700; }
.pro-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.pro-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #e2e8f0; transition: all .4s; }
.pro-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,.1); border-color: rgba(37,99,235,.3); }
.pro-card-img { display: block; position: relative; aspect-ratio: 4/3; overflow: hidden; background: #f1f5f9; }
.pro-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.pro-card:hover .pro-card-img img { transform: scale(1.08); }
.pro-card-img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #cbd5e1; }
.pro-card-img-placeholder svg { width: 48px; height: 48px; }
.pro-card-overlay { position: absolute; inset: 0; background: rgba(15,23,36,.6); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .4s; }
.pro-card:hover .pro-card-overlay { opacity: 1; }
.pro-card-view { display: inline-block; padding: 12px 24px; background: #fff; color: #1e293b; font-size: .9rem; font-weight: 600; border-radius: 50px; transform: translateY(10px); transition: transform .4s; }
.pro-card:hover .pro-card-view { transform: translateY(0); }
.pro-card-body { padding: 24px; }
.pro-card-body h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 12px; }
.pro-card-body h3 a { color: #1e293b; text-decoration: none; transition: color .3s; }
.pro-card-body h3 a:hover { color: #2563eb; }
.pro-card-body p { font-size: .9rem; color: #64748b; line-height: 1.6; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pro-card-footer { display: flex; align-items: center; justify-content: space-between; }
.pro-card-link { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: #2563eb; text-decoration: none; transition: all .3s; }
.pro-card-link svg { width: 16px; height: 16px; transition: transform .3s; }
.pro-card-link:hover svg { transform: translateX(4px); }

/* 分页 */
.pro-pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 50px; padding-top: 30px; border-top: 1px solid #e2e8f0; }
.pro-page-btn { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; color: #475569; text-decoration: none; transition: all .3s; }
.pro-page-btn svg { width: 18px; height: 18px; }
.pro-page-btn:hover { border-color: #2563eb; color: #2563eb; }
.pro-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.pro-page-numbers { display: flex; gap: 8px; }
.pro-page-num { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; font-size: .9rem; font-weight: 600; color: #475569; text-decoration: none; transition: all .3s; }
.pro-page-num:hover { border-color: #2563eb; color: #2563eb; }
.pro-page-num.is-active { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; border-color: transparent; box-shadow: 0 4px 15px rgba(37,99,235,.3); }
.pro-page-dots { color: #94a3b8; padding: 0 8px; }

/* 空状态 */
.pro-empty { text-align: center; padding: 80px 20px; }
.pro-empty-icon { width: 100px; height: 100px; background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; color: #94a3b8; }
.pro-empty-icon svg { width: 48px; height: 48px; }
.pro-empty h3 { font-size: 1.5rem; font-weight: 700; color: #1e293b; margin: 0 0 12px; }
.pro-empty p { font-size: 1rem; color: #64748b; margin: 0 0 24px; }
.pro-empty-btn { display: inline-block; padding: 14px 32px; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; font-size: .95rem; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all .3s; }
.pro-empty-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,99,235,.3); }

/* SEO 内容区 */
.pro-seo { padding: 80px 0; background: #fff; }
.pro-seo-content { max-width: 800px; margin: 0 auto; }
.pro-seo-content h2 { font-size: 2rem; font-weight: 800; color: #1e293b; margin: 0 0 30px; text-align: center; }
.pro-seo-text { font-size: 1.05rem; line-height: 2; color: #475569; }
.pro-seo-text p { margin-bottom: 16px; }

/* CTA */
.pro-cta-section { position: relative; padding: 100px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 100%); overflow: hidden; }
.pro-cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,.2) 0%, transparent 50%); }
.pro-cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.pro-cta-content h2 { font-size: 2.5rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.pro-cta-content p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0; }
.pro-cta-main-btn { display: inline-flex; align-items: center; gap: 12px; padding: 18px 40px; background: #fff; color: #2563eb; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 50px; transition: all .3s; box-shadow: 0 10px 40px rgba(0,0,0,.2); }
.pro-cta-main-btn:hover { transform: translateY(-4px); box-shadow: 0 15px 50px rgba(0,0,0,.3); }
.pro-cta-main-btn svg { width: 20px; height: 20px; transition: transform .3s; }
.pro-cta-main-btn:hover svg { transform: translateX(4px); }

/* 响应式 */
@media(max-width: 1200px) {
  .pro-hero { padding: 120px 0 60px; }
  .pro-breadcrumb { margin-bottom: 16px; }
  .pro-products-layout { grid-template-columns: 1fr; gap: 5px; }
  .pro-sidebar { position: relative; top: 0; }
  .pro-cta-inner { flex-direction: column; text-align: center; }
  .pro-hero-title { font-size: clamp(1.2rem, 5vw, 2.2rem); }
  /* 移动端筛选折叠 */
  .pro-sidebar-card { padding: 16px; position: relative; }
  .pro-sidebar-cta { display: none; }
  /* 缩小内容与banner间距 */
  .pro-products { padding-top: 16px; }
  .pro-seo-card { padding: 16px 18px; margin-bottom: 15px; }
  .pro-filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #f1f5f9;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0;
  }
  .pro-filter-toggle span { white-space: nowrap; }
  .pro-filter-toggle .toggle-icon { width: 16px; height: 16px; transition: transform .3s; }
  .pro-filter-toggle.open .toggle-icon { transform: rotate(180deg); }
  .pro-filter-body { display: none; }
  .pro-filter-toggle.open + .pro-filter-body { display: block; }
}
@media(max-width: 480px) {
  .pro-grid { grid-template-columns: 1fr; }
  .pro-list-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ===== 关于页面新设计（高端现代风格） ===== */

/* Hero */
.ab-hero { position: relative; padding: 160px 0 100px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.ab-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, rgba(37,99,235,.2) 0%, transparent 50%); }
.ab-hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: 0; }
.ab-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,36,.85) 0%, rgba(30,58,95,.75) 50%, rgba(37,99,235,.65) 100%); z-index: 1; }
.ab-hero-pattern { position: absolute; inset: 0; opacity: .03; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); z-index: 2; }
.ab-hero-inner { position: relative; z-index: 3; text-align: center; color: #fff; }
.ab-hero-label { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: 4px; color: rgba(255,255,255,.6); margin-bottom: 20px; padding: 8px 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 50px; }
.ab-hero-title { font-size: 3.5rem; font-weight: 800; margin: 0 0 16px; background: linear-gradient(135deg, #fff 0%, #93c5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ab-hero-desc { font-size: 1.25rem; color: rgba(255,255,255,.8); max-width: 600px; margin: 0 auto; }

/* 通用组件 */
.ab-section-header { margin-bottom: 60px; }
.ab-section-header.center { text-align: center; }
.ab-section-header.light h2 { color: #fff; }
.ab-section-tag { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 2px; color: #2563eb; background: rgba(37,99,235,.1); padding: 10px 24px; border-radius: 50px; margin-bottom: 20px; }
.ab-section-tag.light { background: rgba(255,255,255,.1); color: #93c5fd; }
.ab-section-header h2 { font-size: 2.5rem; font-weight: 800; color: #1e293b; margin: 0; line-height: 1.3; }
.ab-section-subtitle { font-size: 1.1rem; color: #64748b; margin-top: 16px; }

/* 公司简介 */
.ab-intro { padding: 100px 0; background: linear-gradient(180deg, #f8fafc 0%, #fff 50%, #f8fafc 100%); }
.ab-intro-grid { display: grid; grid-template-columns: 400px 1fr; gap: 80px; align-items: center; }
.ab-intro-visual { position: relative; }
.ab-intro-card { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); border-radius: 24px; padding: 40px; color: #fff; box-shadow: 0 25px 60px rgba(37,99,235,.3); }
.ab-intro-card-icon { width: 64px; height: 64px; background: rgba(255,255,255,.15); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.ab-intro-card-icon svg { width: 32px; height: 32px; }
.ab-intro-card h3 { font-size: 1.5rem; font-weight: 700; margin: 0 0 8px; }
.ab-intro-card p { font-size: .95rem; color: rgba(255,255,255,.85); margin: 0; }
.ab-intro-stats { display: flex; gap: 20px; margin-top: 30px; }
.ab-stat-item { flex: 1; background: #fff; border-radius: 16px; padding: 24px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,.05); }
.ab-stat-num { display: block; font-size: 2.5rem; font-weight: 800; color: #2563eb; line-height: 1; }
.ab-stat-label { font-size: .85rem; color: #64748b; margin-top: 8px; }
.ab-intro-content h2 { font-size: 2.2rem; line-height: 1.4; margin-bottom: 30px; }
.ab-intro-text { font-size: 1.05rem; line-height: 2; color: #475569; }
.ab-intro-text p { margin-bottom: 20px; }
.ab-intro-text strong { color: #1e293b; font-weight: 600; }
.ab-rich-content { line-height: 1.9; }
.ab-rich-content p { margin-bottom: 16px; }

/* 公司详细介绍板块 */
.ab-detail { position: relative; padding: 120px 0; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); overflow: hidden; }
.ab-detail-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 10% 50%, rgba(37,99,235,.05) 0%, transparent 50%), radial-gradient(ellipse at 90% 50%, rgba(59,130,246,.03) 0%, transparent 50%); }
.ab-detail-shape { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .4; }
.ab-detail-shape-1 { width: 500px; height: 500px; background: linear-gradient(135deg, rgba(37,99,235,.15) 0%, transparent 70%); top: -200px; right: -200px; }
.ab-detail-shape-2 { width: 400px; height: 400px; background: linear-gradient(135deg, rgba(124,58,237,.1) 0%, transparent 70%); bottom: -150px; left: -150px; }
.ab-detail-grid { display: grid; grid-template-columns: 380px 1fr; gap: 80px; align-items: start; position: relative; z-index: 1; }
.ab-detail-visual { position: sticky; top: 100px; }
.ab-detail-card { background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%); border-radius: 24px; padding: 40px; color: #fff; box-shadow: 0 25px 60px rgba(124,58,237,.3); position: relative; overflow: hidden; }
.ab-detail-card::before { content: ''; position: absolute; top: -50%; right: -50%; width: 100%; height: 100%; background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%); }
.ab-detail-card-icon { width: 64px; height: 64px; background: rgba(255,255,255,.15); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; position: relative; }
.ab-detail-card-icon svg { width: 32px; height: 32px; }
.ab-detail-card h3 { font-size: 1.5rem; font-weight: 700; margin: 0 0 8px; position: relative; }
.ab-detail-card p { font-size: .95rem; color: rgba(255,255,255,.85); margin: 0; position: relative; }
.ab-detail-decoration { display: flex; gap: 8px; margin-top: 30px; position: relative; }
.ab-detail-decoration span { width: 8px; height: 8px; background: rgba(255,255,255,.3); border-radius: 50%; animation: pulse 2s infinite; }
.ab-detail-decoration span:nth-child(2) { animation-delay: .3s; }
.ab-detail-decoration span:nth-child(3) { animation-delay: .6s; }
@keyframes pulse { 0%, 100% { opacity: .3; transform: scale(1); } 50% { opacity: 1; transform: scale(1.2); } }
.ab-detail-quote { margin-top: 30px; padding: 24px; background: #fff; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,.05); text-align: center; }
.ab-detail-quote svg { width: 32px; height: 32px; color: #7c3aed; margin-bottom: 12px; }
.ab-detail-quote p { font-size: 1rem; font-weight: 600; color: #1e293b; margin: 0; letter-spacing: 2px; }
.ab-detail-content { padding-top: 20px; }
.ab-detail-text { font-size: 1.05rem; line-height: 2; color: #475569; }
.ab-detail-text p { margin-bottom: 20px; }
.ab-detail-features { display: flex; gap: 24px; margin-top: 40px; padding-top: 30px; border-top: 1px solid #e2e8f0; }
.ab-detail-feature { display: flex; align-items: center; gap: 12px; }
.ab-detail-feature-icon { width: 44px; height: 44px; background: linear-gradient(135deg, rgba(37,99,235,.1) 0%, rgba(59,130,246,.1) 100%); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.ab-detail-feature-icon svg { width: 22px; height: 22px; color: #2563eb; }
.ab-detail-feature span { font-size: .95rem; font-weight: 600; color: #1e293b; }

/* 理念板块 */
.ab-philosophy { position: relative; padding: 120px 0; background: linear-gradient(135deg, #0f1724 0%, #1e293b 100%); overflow: hidden; }
.ab-philosophy-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(37,99,235,.15) 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, rgba(59,130,246,.1) 0%, transparent 50%); }
.ab-phi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; position: relative; z-index: 1; }
.ab-phi-card { background: rgba(255,255,255,.05); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.1); border-radius: 24px; padding: 48px 36px; text-align: center; transition: all .4s; animation: fadeInUp .6s ease-out both; animation-delay: var(--delay, 0s); }
.ab-phi-card:hover { transform: translateY(-10px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); box-shadow: 0 30px 60px rgba(0,0,0,.3); }
.ab-phi-icon { width: 80px; height: 80px; background: linear-gradient(135deg, rgba(37,99,235,.3) 0%, rgba(59,130,246,.2) 100%); border-radius: 24px; display: flex; align-items: center; justify-content: center; margin: 0 auto 28px; }
.ab-phi-icon svg { width: 36px; height: 36px; color: #93c5fd; }
.ab-phi-title { font-size: 1.4rem; font-weight: 700; color: #fff; margin: 0 0 16px; }
.ab-phi-content { font-size: 1rem; color: rgba(255,255,255,.7); line-height: 1.8; margin: 0; }

/* 业务定位 */
.ab-position { padding: 120px 0; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.ab-position-grid { display: grid; grid-template-columns: 1fr 500px; gap: 80px; align-items: center; }
.ab-position-sub { font-size: 1.3rem; color: #2563eb; font-weight: 600; margin-top: 20px; }
.ab-position-features { margin-top: 40px; }
.ab-pos-feature { display: flex; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid #e2e8f0; font-size: 1.1rem; color: #334155; }
.ab-pos-feature:last-child { border-bottom: none; }
.ab-pos-dot { width: 12px; height: 12px; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); border-radius: 50%; box-shadow: 0 0 0 4px rgba(37,99,235,.2); }
.ab-position-visual { display: flex; align-items: center; justify-content: center; }
.ab-pos-hexagon { position: relative; width: 400px; height: 400px; }
.ab-pos-hex-item { position: absolute; width: 140px; height: 140px; background: linear-gradient(135deg, #fff 0%, #f1f5f9 100%); border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 10px 40px rgba(0,0,0,.1); transition: all .3s; }
.ab-pos-hex-item:hover { transform: scale(1.05); box-shadow: 0 20px 60px rgba(37,99,235,.2); }
.ab-pos-hex-item svg { width: 32px; height: 32px; color: #2563eb; margin-bottom: 8px; }
.ab-pos-hex-item span { font-size: .9rem; font-weight: 600; color: #1e293b; }
.ab-pos-hex-center { top: 50%; left: 50%; transform: translate(-50%, -50%); background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); z-index: 2; }
.ab-pos-hex-center span { color: #fff; font-size: 1rem; text-align: center; font-weight: 700; }
.ab-pos-hex-1 { top: 0; left: 50%; transform: translateX(-50%); }
.ab-pos-hex-2 { bottom: 40px; left: 30px; }
.ab-pos-hex-3 { bottom: 40px; right: 30px; }

/* 合作模式 */
.ab-cooperation { position: relative; padding: 120px 0; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); overflow: hidden; }
.ab-coop-bg { position: absolute; inset: 0; pointer-events: none; }
.ab-coop-shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .5; }
.ab-coop-shape-1 { width: 400px; height: 400px; background: linear-gradient(135deg, rgba(37,99,235,.2) 0%, transparent 70%); top: -100px; right: -100px; }
.ab-coop-shape-2 { width: 300px; height: 300px; background: linear-gradient(135deg, rgba(59,130,246,.15) 0%, transparent 70%); bottom: -50px; left: -50px; }
.ab-coop-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; position: relative; z-index: 1; }
.ab-coop-card { background: #fff; border-radius: 20px; padding: 36px 24px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,.05); border: 1px solid transparent; transition: all .4s; animation: fadeInUp .5s ease-out both; animation-delay: calc(var(--index) * .1s); }
.ab-coop-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(37,99,235,.15); border-color: rgba(37,99,235,.2); }
.ab-coop-icon { width: 64px; height: 64px; background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.ab-coop-icon svg { width: 28px; height: 28px; color: #2563eb; }
.ab-coop-title { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 8px; }
.ab-coop-desc { font-size: .85rem; color: #64748b; margin: 0; }

/* 三大运营中心 */
.ab-centers { padding: 120px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 100%); }
.ab-centers-timeline { display: flex; gap: 40px; position: relative; z-index: 1; }
.ab-center-card { flex: 1; background: rgba(255,255,255,.05); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.1); border-radius: 24px; padding: 0 36px 36px; position: relative; transition: all .4s; }
.ab-center-card:hover { transform: translateY(-8px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.2); }
.ab-center-marker { position: absolute; top: -20px; left: 36px; width: 60px; height: 60px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; }
.ab-center-blue .ab-center-marker { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; box-shadow: 0 10px 30px rgba(37,99,235,.4); }
.ab-center-purple .ab-center-marker { background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%); color: #fff; box-shadow: 0 10px 30px rgba(124,58,237,.4); }
.ab-center-orange .ab-center-marker { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); color: #fff; box-shadow: 0 10px 30px rgba(245,158,11,.4); }
.ab-center-content { padding-top: 60px; }
.ab-center-header { margin-bottom: 24px; }
.ab-center-city { font-size: 2rem; font-weight: 800; color: #fff; margin: 0 0 8px; }
.ab-center-type { display: inline-block; font-size: .85rem; color: rgba(255,255,255,.7); padding: 6px 16px; background: rgba(255,255,255,.1); border-radius: 50px; }
.ab-center-list { list-style: none; padding: 0; margin: 0; }
.ab-center-list li { position: relative; padding: 12px 0 12px 24px; color: rgba(255,255,255,.7); font-size: .95rem; border-bottom: 1px solid rgba(255,255,255,.05); }
.ab-center-list li:last-child { border-bottom: none; }
.ab-center-list li::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 8px; height: 8px; border-radius: 50%; }
.ab-center-blue .ab-center-list li::before { background: #2563eb; }
.ab-center-purple .ab-center-list li::before { background: #a855f7; }
.ab-center-orange .ab-center-list li::before { background: #fbbf24; }

/* CTA */
.ab-cta { position: relative; padding: 100px 0; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); overflow: hidden; }
.ab-cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.1) 0%, transparent 50%); }
.ab-cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.ab-cta-content h2 { font-size: 2.5rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.ab-cta-content p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0; }
.ab-cta-btn { display: inline-flex; align-items: center; gap: 12px; padding: 18px 40px; background: #fff; color: #2563eb; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 50px; transition: all .3s; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.ab-cta-btn:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(0,0,0,.3); }
.ab-cta-btn svg { width: 20px; height: 20px; transition: transform .3s; }
.ab-cta-btn:hover svg { transform: translateX(4px); }

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

/* ===== Blog 页面新设计（现代卡片风格） ===== */

/* Hero */
.blog-hero { position: relative; padding: 140px 0 80px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.blog-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, rgba(37,99,235,.2) 0%, transparent 50%); }
.blog-hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: 0; }
.blog-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,36,.85) 0%, rgba(30,58,95,.75) 50%, rgba(37,99,235,.65) 100%); z-index: 1; }
.blog-hero-pattern { position: absolute; inset: 0; opacity: .03; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); z-index: 2; }
.blog-hero-inner { position: relative; z-index: 3; text-align: center; color: #fff; }
.blog-hero-label { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: 4px; color: rgba(255,255,255,.6); margin-bottom: 20px; padding: 8px 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 50px; }
.blog-hero-title { font-size: 3rem; font-weight: 800; margin: 0 0 16px; background: linear-gradient(135deg, #fff 0%, #93c5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.blog-hero-desc { font-size: 1.1rem; color: rgba(255,255,255,.8); max-width: 500px; margin: 0 auto; }

/* 标签筛选 */
.blog-filter { padding: 30px 0; background: #f8fafc; border-bottom: 1px solid #e2e8f0; }
.blog-filter-list { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.blog-filter-item { display: inline-flex; align-items: center; padding: 10px 24px; background: #fff; border: 1px solid #e2e8f0; border-radius: 50px; font-size: .9rem; color: #64748b; text-decoration: none; transition: all .3s; }
.blog-filter-item:hover { border-color: #2563eb; color: #2563eb; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,.1); }
.blog-filter-item.is-active { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; border-color: transparent; box-shadow: 0 4px 15px rgba(37,99,235,.3); }

/* 文章列表 */
.blog-content { padding: 60px 0; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.blog-card { display: block; text-decoration: none; color: inherit; position: relative; }
.blog-card-inner { background: #fff; border-radius: 20px; padding: 32px; border: 1px solid #e2e8f0; position: relative; overflow: hidden; transition: all .4s cubic-bezier(.4,0,.2,1); height: 100%; display: flex; flex-direction: column; }
.blog-card:hover .blog-card-inner { transform: translateY(-8px); border-color: transparent; box-shadow: 0 20px 50px rgba(0,0,0,.1); }
.blog-card--featured .blog-card-inner { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; border-color: transparent; }
.blog-card--featured .blog-card-tag { background: rgba(255,255,255,.2); color: #fff; }
.blog-card--featured .blog-card-date { color: rgba(255,255,255,.7); }
.blog-card--featured .blog-card-title { color: #fff; }
.blog-card--featured .blog-card-summary { color: rgba(255,255,255,.85); }
.blog-card--featured .blog-card-read { color: #fff; }
.blog-card--featured .blog-card-read svg { stroke: #fff; }

/* 悬停光效 */
.blog-card-hover { position: absolute; inset: 0; background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(37,99,235,.1), transparent 40%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.blog-card:hover .blog-card-hover { opacity: 1; }

.blog-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.blog-card-tag { display: inline-block; padding: 6px 14px; background: rgba(37,99,235,.1); color: #2563eb; font-size: .75rem; font-weight: 600; border-radius: 50px; letter-spacing: 1px; }
.blog-card-date { font-size: .8rem; color: #94a3b8; }
.blog-card-title { font-size: 1.25rem; font-weight: 700; color: #1e293b; line-height: 1.4; margin: 0 0 16px; transition: color .3s; }
.blog-card:hover:not(.blog-card--featured) .blog-card-title { color: #2563eb; }
.blog-card-summary { font-size: .95rem; line-height: 1.8; color: #64748b; margin: 0 0 24px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.blog-card-footer { margin-top: auto; }
.blog-card-read { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; font-weight: 600; color: #2563eb; transition: all .3s; }
.blog-card-read svg { width: 16px; height: 16px; transition: transform .3s; }
.blog-card:hover .blog-card-read svg { transform: translateX(4px); }

/* 空状态 */
.blog-empty { text-align: center; padding: 100px 20px; }
.blog-empty-icon { width: 100px; height: 100px; margin: 0 auto 24px; background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #94a3b8; }
.blog-empty-icon svg { width: 48px; height: 48px; }
.blog-empty h3 { font-size: 1.5rem; font-weight: 700; color: #1e293b; margin: 0 0 12px; }
.blog-empty p { font-size: 1rem; color: #94a3b8; margin: 0; }

/* 分页 */
.blog-pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 60px; padding-top: 40px; border-top: 1px solid #e2e8f0; }
.blog-page-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; font-size: .9rem; font-weight: 600; color: #475569; text-decoration: none; transition: all .3s; }
.blog-page-btn svg { width: 16px; height: 16px; }
.blog-page-btn:hover { border-color: #2563eb; color: #2563eb; background: rgba(37,99,235,.05); }
.blog-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.blog-page-numbers { display: flex; align-items: center; gap: 8px; }
.blog-page-num { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; font-size: .9rem; font-weight: 600; color: #475569; text-decoration: none; transition: all .3s; }
.blog-page-num:hover { border-color: #2563eb; color: #2563eb; }
.blog-page-num.is-active { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; border-color: transparent; box-shadow: 0 4px 15px rgba(37,99,235,.3); }
.blog-page-dots { color: #94a3b8; padding: 0 8px; }

/* CTA */
.blog-cta { padding: 80px 0; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); position: relative; overflow: hidden; }
.blog-cta::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,.1) 0%, transparent 50%); }
.blog-cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.blog-cta-content h2 { font-size: 2rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.blog-cta-content p { font-size: 1rem; color: rgba(255,255,255,.85); margin: 0; }
.blog-cta-btn { display: inline-flex; align-items: center; padding: 16px 36px; background: #fff; color: #2563eb; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 50px; transition: all .3s; box-shadow: 0 10px 30px rgba(0,0,0,.2); flex-shrink: 0; }
.blog-cta-btn:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(0,0,0,.3); }

/* 响应式 */
@media(max-width: 1200px) {
  .ab-intro-grid { grid-template-columns: 1fr; gap: 60px; }
  .ab-detail-grid { grid-template-columns: 1fr; gap: 60px; }
  .ab-detail-visual { position: relative; top: 0; }
  .ab-position-grid { grid-template-columns: 1fr; gap: 60px; }
  .ab-position-visual { order: -1; }
  .ab-coop-grid { grid-template-columns: repeat(3, 1fr); }
  .ab-centers-timeline { flex-direction: column; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media(max-width: 768px) {
  .ab-hero { padding: 120px 0 80px; }
  .ab-hero-title { font-size: 2rem; }
  .ab-hero-desc { font-size: 1rem; }
  .ab-section-header h2 { font-size: 1.6rem; }
  .ab-phi-grid { grid-template-columns: 1fr; }
  .ab-pos-hexagon { transform: scale(.8); }
  .ab-coop-grid { grid-template-columns: repeat(2, 1fr); }
  .ab-cta-inner { flex-direction: column; text-align: center; }
  .ab-detail-features { flex-direction: column; gap: 16px; }
  .ab-detail-quote { display: none; }
  .ab-cta-content h2 { font-size: 1.8rem; }
  .blog-hero { padding: 100px 0 60px; }
  .blog-hero-title { font-size: 2rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card-inner { padding: 24px; }
  .blog-filter-list { gap: 8px; }
  .blog-filter-item { padding: 8px 16px; font-size: .85rem; }
  .blog-pagination { flex-wrap: wrap; }
  .blog-cta-inner { flex-direction: column; text-align: center; }
  .blog-cta-content h2 { font-size: 1.6rem; }
}

@media(max-width: 480px) {
  .ab-hero-title { font-size: 1.6rem; }
  .ab-intro-stats { flex-direction: column; }
  .ab-coop-grid { grid-template-columns: 1fr; }
  .ab-pos-hexagon { transform: scale(.6); }
  .blog-hero-title { font-size: 1.6rem; }
  .blog-page-numbers { order: -1; width: 100%; justify-content: center; }
}

/* ===== 文章列表交替布局（左图右文 / 右图左文） ===== */

.article-alt-section { padding: 80px 0; position: relative; overflow: hidden; }
.article-alt-section--light { background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%); }
.article-alt-section--dark { background: linear-gradient(180deg, #0f1724 0%, #1e293b 100%); }

.article-alt-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  position: relative;
  z-index: 1;
}
.article-alt-item--left { direction: ltr; }
.article-alt-item--right { direction: rtl; }
.article-alt-item--left > * { direction: ltr; }
.article-alt-item--right > * { direction: ltr; }

.article-alt-media {
  position: relative;
}
.article-alt-media-inner {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.article-alt-item:hover .article-alt-media-inner {
  transform: translateY(-8px);
  box-shadow: 0 30px 80px rgba(0,0,0,.2);
}
.article-alt-media-inner img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.article-alt-item:hover .article-alt-media-inner img { transform: scale(1.08); }

.article-alt-media-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #e2e8f0 0%, #f1f5f9 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #94a3b8;
}
.article-alt-media-placeholder svg {
  width: 64px; height: 64px; margin-bottom: 12px; opacity: .5;
}
.article-alt-media-placeholder span {
  font-size: .9rem; font-weight: 500; letter-spacing: 2px;
}

.article-alt-media-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,36,.7) 0%, rgba(30,58,95,.5) 100%);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .4s;
}
.article-alt-item:hover .article-alt-media-overlay { opacity: 1; }
.article-alt-read {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; background: #fff; color: #1e293b;
  font-size: .9rem; font-weight: 600; border-radius: 50px;
  transform: translateY(20px); transition: all .4s;
}
.article-alt-item:hover .article-alt-read {
  transform: translateY(0);
}
.article-alt-read::after {
  content: ''; width: 6px; height: 6px;
  border-top: 2px solid currentColor; border-right: 2px solid currentColor;
  transform: rotate(45deg);
}

.article-alt-index {
  position: absolute; top: -20px; right: -20px;
  width: 80px; height: 80px;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: #fff; font-size: 1.8rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; box-shadow: 0 10px 30px rgba(37,99,235,.4);
  z-index: 2;
}
.article-alt-item--right .article-alt-index { left: -20px; right: auto; }

.article-alt-content {
  padding: 20px 0;
}
.article-alt-content-inner {
  max-width: 480px;
}
.article-alt-section--dark .article-alt-content {
  color: #fff;
}

.article-alt-title {
  font-size: 1.75rem; font-weight: 800; line-height: 1.3;
  margin: 0 0 20px; color: #1e293b;
  transition: color .3s;
}
.article-alt-section--dark .article-alt-title { color: #fff; }
.article-alt-item:hover .article-alt-title { color: #2563eb; }
.article-alt-section--dark .article-alt-item:hover .article-alt-title { color: #60a5fa; }

.article-alt-summary {
  font-size: 1rem; line-height: 1.9; color: #64748b;
  margin: 0 0 28px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-alt-section--dark .article-alt-summary { color: rgba(255,255,255,.7); }

.article-alt-action {
  display: flex; align-items: center;
}
.article-alt-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  color: #fff; font-size: .9rem; font-weight: 600;
  border-radius: 8px; transition: all .3s;
  box-shadow: 0 4px 15px rgba(37,99,235,.3);
}
.article-alt-btn:hover {
  transform: translateX(4px);
  box-shadow: 0 6px 25px rgba(37,99,235,.4);
}
.article-alt-btn svg { transition: transform .3s; }
.article-alt-item:hover .article-alt-btn svg { transform: translateX(4px); }

.article-alt-empty {
  text-align: center; padding: 100px 20px;
}
.article-alt-empty-icon {
  width: 100px; height: 100px; margin: 0 auto 24px;
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #94a3b8;
}
.article-alt-empty h3 {
  font-size: 1.4rem; font-weight: 700; color: #1e293b; margin: 0 0 12px;
}
.article-alt-empty p {
  font-size: 1rem; color: #94a3b8; margin: 0;
}

.article-alt-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  position: relative; overflow: hidden;
}
.article-alt-cta::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,.1) 0%, transparent 50%);
}
.article-alt-cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; position: relative; z-index: 1;
}
.article-alt-cta-content {
  h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
  p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0; }
}
.article-alt-cta-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 36px; background: #fff; color: #2563eb;
  font-size: 1rem; font-weight: 700; text-decoration: none;
  border-radius: 50px; transition: all .3s;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.article-alt-cta-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0,0,0,.3);
}

@media(max-width: 992px) {
  .article-alt-item { gap: 40px; }
  .article-alt-title { font-size: 1.4rem; }
  .article-alt-index { width: 60px; height: 60px; font-size: 1.4rem; }
}

@media(max-width: 768px) {
  .article-alt-section { padding: 50px 0; }
  .article-alt-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .article-alt-item--left,
  .article-alt-item--right { direction: ltr; }
  .article-alt-media-inner { aspect-ratio: 16 / 9; }
  .article-alt-index {
    top: -10px; right: -10px; width: 50px; height: 50px; font-size: 1.1rem;
  }
  .article-alt-item--right .article-alt-index { left: auto; right: -10px; }
  .article-alt-title { font-size: 1.2rem; margin-bottom: 12px; }
  .article-alt-summary {
    font-size: .9rem; -webkit-line-clamp: 2; margin-bottom: 20px;
  }
  .article-alt-btn { padding: 12px 20px; font-size: .85rem; }
  .article-alt-cta { padding: 60px 0; }
  .article-alt-cta-inner { flex-direction: column; text-align: center; }
  .article-alt-cta-content h2 { font-size: 1.6rem; }
}

@media(max-width: 480px) {
  .article-alt-title { font-size: 1.1rem; }
  .article-alt-summary { font-size: .85rem; }
  .article-alt-btn { width: 100%; justify-content: center; }
}

/* ===== Blog 详情页新设计（利于 SEO 和 CRO） ===== */

/* Hero */
.bd-hero { position: relative; padding: 140px 0 80px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.bd-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%), radial-gradient(ellipse at 70% 80%, rgba(37,99,235,.2) 0%, transparent 50%); }
.bd-hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; z-index: 0; }
.bd-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,36,.85) 0%, rgba(30,58,95,.75) 50%, rgba(37,99,235,.65) 100%); z-index: 1; }
.bd-hero-pattern { position: absolute; inset: 0; opacity: .03; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); z-index: 2; }
.bd-hero-inner { position: relative; z-index: 3; text-align: center; color: #fff; }
.bd-hero-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 700; letter-spacing: 2px; color: #93c5fd; background: rgba(59,130,246,.15); padding: 8px 20px; border-radius: 50px; margin-bottom: 24px; border: 1px solid rgba(59,130,246,.25); }
.bd-hero-tag svg { width: 16px; height: 16px; }
.bd-hero-title { font-size: 2.5rem; font-weight: 800; margin: 0 0 20px; line-height: 1.3; }
.bd-hero-summary { font-size: 1.1rem; color: rgba(255,255,255,.85); line-height: 1.8; max-width: 900px; margin: 0 auto; }
/* 博客详情面包屑样式 */
.bd-breadcrumb-bar { background: #fff; border-bottom: 1px solid #e2e8f0; padding: 12px 0; }
.bd-content { padding: 25px 0 60px; background: #f8fafc; }
.bd-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; position: relative; }

/* 文章卡片 */
.bd-article-card { background: #fff; border-radius: 20px; padding: 0; box-shadow: 0 4px 20px rgba(0,0,0,.06); overflow: hidden; }

/* 文章头部 */
.bd-article-header { padding: 32px 32px 24px; border-bottom: 1px solid #e2e8f0; position: relative; }
.bd-article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.bd-article-category { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); color: #2563eb; font-size: .85rem; font-weight: 600; border-radius: 50px; }
.bd-article-category svg { width: 16px; height: 16px; }
.bd-article-date { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; color: #64748b; }
.bd-article-date svg { width: 16px; height: 16px; }
.bd-article-views { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; color: #94a3b8; }
.bd-article-views svg { width: 16px; height: 16px; }
.bd-article-views span { font-weight: 600; }
.bd-article-actions { display: flex; gap: 12px; margin-top: 16px; }
.bd-action-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border: 1.5px solid #e2e8f0; border-radius: 50px; font-size: .9rem; font-weight: 600; color: #475569; background: #fff; transition: all .3s; cursor: pointer; text-decoration: none; }
.bd-action-btn:hover { border-color: #2563eb; color: #2563eb; box-shadow: 0 4px 15px rgba(37,99,235,.1); }
.bd-action-btn svg { width: 18px; height: 18px; }
.bd-btn-inquiry { color: #2563eb; border-color: rgba(37,99,235,.2); background: rgba(37,99,235,.05); }

/* 分享弹窗 */
.bd-share-popup { position: absolute; top: 100%; right: 0; margin-top: 12px; background: #fff; border-radius: 12px; padding: 16px; box-shadow: 0 10px 40px rgba(0,0,0,.15); border: 1px solid #e2e8f0; z-index: 10; display: none; min-width: 200px; }
.bd-share-popup span { display: block; font-size: .85rem; color: #64748b; margin-bottom: 12px; }
.bd-share-item { display: block; padding: 10px 16px; border-radius: 8px; font-size: .9rem; font-weight: 600; text-decoration: none; transition: all .3s; margin-bottom: 8px; }
.bd-share-item:last-child { margin-bottom: 0; }
.bd-share-weibo { color: #e6162d; background: #fef2f2; }
.bd-share-weibo:hover { background: #fee2e2; }
.bd-share-qzone { color: #1e88e5; background: #eff6ff; }
.bd-share-qzone:hover { background: #dbeafe; }
.bd-share-link { color: #475569; background: #f1f5f9; }
.bd-share-link:hover { background: #e2e8f0; }

/* 文章摘要 */
.bd-article-summary { display: flex; gap: 16px; padding: 24px 32px; background: linear-gradient(135deg, #eff6ff 0%, #fff 100%); border-radius: 0; }
.bd-summary-icon { width: 48px; height: 48px; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.bd-summary-icon svg { width: 24px; height: 24px; }
.bd-summary-content { flex: 1; }
.bd-summary-content h4 { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 8px; }
.bd-summary-content p { font-size: .95rem; color: #475569; line-height: 1.8; margin: 0; }

/* 文章正文 */
.bd-article-body { padding: 32px; font-size: 1.05rem; line-height: 2; color: #334155; }
.bd-article-body p { margin-bottom: 20px; }
.bd-article-body h2 { font-size: 1.6rem; font-weight: 700; color: #1e293b; margin: 40px 0 20px; padding-bottom: 12px; border-bottom: 2px solid #e2e8f0; }
.bd-article-body h3 { font-size: 1.3rem; font-weight: 700; color: #1e293b; margin: 32px 0 16px; }
.bd-article-body ul, .bd-article-body ol { padding-left: 24px; margin-bottom: 20px; }
.bd-article-body li { margin-bottom: 12px; line-height: 1.8; }
.bd-article-body a { color: #2563eb; text-decoration: none; font-weight: 500; transition: color .3s; }
.bd-article-body a:hover { color: #1d4ed8; text-decoration: underline; }
.bd-article-body img { max-width: 100%; height: auto; border-radius: 12px; margin: 24px 0; }
.bd-article-body blockquote { border-left: 4px solid #2563eb; padding: 16px 24px; margin: 24px 0; background: #f8fafc; border-radius: 0 12px 12px; color: #64748b; font-style: italic; }

/* 文章标签 */
.bd-article-tags { padding: 24px 32px; border-top: 1px solid #e2e8f0; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.bd-tags-title { font-size: .9rem; font-weight: 600; color: #64748b; }
.bd-tag-item { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; background: #f1f5f9; color: #475569; font-size: .85rem; font-weight: 600; border-radius: 50px; text-decoration: none; transition: all .3s; }
.bd-tag-item:hover { background: #2563eb; color: #fff; }
.bd-tag-item svg { width: 14px; height: 14px; }

/* 上一篇/下一篇 */
.bd-article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 24px 32px; border-top: 1px solid #e2e8f0; }
.bd-nav-item { display: flex; flex-direction: column; padding: 20px; background: #f8fafc; border-radius: 12px; text-decoration: none; transition: all .3s; position: relative; }
.bd-nav-item:hover { background: #eff6ff; transform: translateY(-2px); }
.bd-nav-label { font-size: .85rem; color: #64748b; margin-bottom: 8px; font-weight: 600; }
.bd-nav-title { font-size: .95rem; font-weight: 600; color: #1e293b; line-height: 1.5; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bd-nav-icon { position: absolute; bottom: 20px; right: 20px; width: 32px; height: 32px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #2563eb; box-shadow: 0 2px 8px rgba(0,0,0,.1); }
.bd-nav-icon svg { width: 18px; height: 18px; }
.bd-nav-prev .bd-nav-icon { left: 20px; right: auto; }

/* 快速咨询入口 */
.bd-quick-inquiry { padding: 0; margin-top: 32px; }
.bd-inquiry-card { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); border-radius: 20px; padding: 40px; display: flex; align-items: center; justify-content: space-between; gap: 40px; color: #fff; }
.bd-inquiry-content { flex: 1; }
.bd-inquiry-content h3 { font-size: 1.8rem; font-weight: 700; margin: 0 0 12px; }
.bd-inquiry-content p { font-size: 1.05rem; color: rgba(255,255,255,.85); margin: 0 0 24px; }
.bd-inquiry-features { display: flex; gap: 20px; }
.bd-inquiry-features span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; background: rgba(255,255,255,.15); border-radius: 50px; font-size: .85rem; font-weight: 600; }
.bd-inquiry-features svg { width: 14px; height: 14px; }
.bd-inquiry-actions { display: flex; gap: 16px; flex-shrink: 0; }
.bd-inquiry-btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; font-size: .95rem; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all .3s; }
.bd-inquiry-phone { background: #fff; color: #2563eb; }
.bd-inquiry-phone:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,.2); }
.bd-inquiry-form { background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.bd-inquiry-form:hover { background: rgba(255,255,255,.2); }
.bd-inquiry-btn svg { width: 18px; height: 18px; }

/* 侧边栏 */
.bd-sidebar { position: sticky; top: 100px; height: fit-content; }
.bd-sidebar-card { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.05); margin-bottom: 24px; border: 1px solid #e2e8f0; }
.bd-sidebar-title { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; padding-bottom: 16px; border-bottom: 1px solid #e2e8f0; }
.bd-sidebar-title svg { width: 20px; height: 20px; color: #2563eb; }

/* 快速导航 */
.bd-quick-nav { display: flex; flex-direction: column; gap: 8px; }
.bd-quick-nav-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: #f8fafc; border-radius: 10px; text-decoration: none; color: #475569; font-weight: 600; font-size: .95rem; transition: all .3s; }
.bd-quick-nav-item svg { width: 20px; height: 20px; color: #64748b; }
.bd-quick-nav-item:hover { background: #2563eb; color: #fff; transform: translateX(4px); }
.bd-quick-nav-item:hover svg { color: #fff; }

/* 联系卡片 */
.bd-contact-info { display: flex; flex-direction: column; gap: 12px; }
.bd-contact-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: #f8fafc; border-radius: 10px; text-decoration: none; color: #475569; font-size: .9rem; transition: all .3s; }
.bd-contact-item:hover { background: #eff6ff; color: #2563eb; }
.bd-contact-item svg { width: 18px; height: 18px; color: #64748b; }
.bd-contact-item:hover svg { color: #2563eb; }

/* 服务时间 */
.bd-hours-info { display: flex; flex-direction: column; gap: 12px; }
.bd-hours-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid #f1f5f9; }
.bd-hours-item:last-child { border-bottom: none; }
.bd-hours-label { font-size: .9rem; color: #64748b; font-weight: 600; }
.bd-hours-time { font-size: .9rem; color: #1e293b; font-weight: 600; }
.bd-hours-note { text-align: center; padding: 12px; background: #fefce8; border-radius: 10px; font-size: .85rem; color: #ca8a04; font-weight: 600; }

/* 相关文章 */
.bd-related { padding: 80px 0; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.bd-section-header.center { text-align: center; margin-bottom: 50px; }
.bd-section-tag { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: 2px; color: #2563eb; background: rgba(37,99,235,.1); padding: 10px 24px; border-radius: 50px; margin-bottom: 20px; }
.bd-section-header h2 { font-size: 2rem; font-weight: 800; color: #1e293b; margin: 0 0 12px; }
.bd-section-header p { font-size: 1rem; color: #64748b; margin: 0; }
.bd-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.bd-related-card { display: block; background: #fff; border-radius: 16px; padding: 28px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .4s; }
.bd-related-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,.1); border-color: rgba(37,99,235,.3); }
.bd-related-body { flex: 1; }
.bd-related-title { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bd-related-summary { font-size: .9rem; color: #64748b; line-height: 1.6; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bd-related-meta { display: flex; align-items: center; justify-content: space-between; }
.bd-related-date { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: #94a3b8; }
.bd-related-date svg { width: 14px; height: 14px; }
.bd-related-read { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: #2563eb; }
.bd-related-read svg { width: 16px; height: 16px; transition: transform .3s; }
.bd-related-card:hover .bd-related-read svg { transform: translateX(4px); }

/* 底部 CTA */
.bd-cta { position: relative; padding: 100px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 100%); overflow: hidden; }
.bd-cta-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,.2) 0%, transparent 50%); }
.bd-cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.bd-cta-content h2 { font-size: 2.5rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.bd-cta-content p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0; }
.bd-cta-actions { display: flex; gap: 16px; flex-shrink: 0; }
.bd-cta-btn { display: inline-flex; align-items: center; gap: 12px; padding: 18px 36px; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 50px; transition: all .3s; }
.bd-cta-phone { background: #fff; color: #2563eb; }
.bd-cta-phone:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(0,0,0,.2); }
.bd-cta-contact { background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); color: #fff; }
.bd-cta-contact:hover { transform: translateY(-4px); box-shadow: 0 15px 40px rgba(37,99,235,.3); }
.bd-cta-btn svg { width: 20px; height: 20px; transition: transform .3s; }
.bd-cta-contact:hover svg { transform: translateX(4px); }

/* 响应式 */
@media(max-width: 1200px) {
  .bd-layout { grid-template-columns: 1fr; }
  .bd-sidebar { position: relative; top: 0; }
  .bd-cta-inner { flex-direction: column; text-align: center; }
  .bd-hero-title { font-size: 2rem; }
}
@media(max-width: 768px) {
  .bd-hero { padding: 120px 0 60px; }
  .bd-hero-title { font-size: 1.6rem; }
  .bd-inquiry-card { flex-direction: column; text-align: center; }
  .bd-inquiry-features { justify-content: center; }
  .bd-related-grid { grid-template-columns: 1fr; }
  .bd-article-nav { grid-template-columns: 1fr; }
  .bd-nav-item { padding: 16px; }
  .bd-nav-icon { position: relative; bottom: auto; right: auto; left: auto; margin-left: auto; }
  .bd-nav-prev .bd-nav-icon { left: auto; }
  .bd-cta-content h2 { font-size: 1.8rem; }
  .bd-section-header h2 { font-size: 1.6rem; }
}
@media(max-width: 480px) {
  .bd-hero-title { font-size: 1.4rem; }
  .bd-hero-summary { font-size: .95rem; }
  .bd-article-header { padding: 24px 20px; }
  .bd-article-body { padding: 24px 20px; }
  .bd-article-summary { flex-direction: column; gap: 12px; padding: 20px; }
  .bd-inquiry-actions { flex-direction: column; width: 100%; }
  .bd-inquiry-btn { width: 100%; justify-content: center; }
  .bd-cta-actions { flex-direction: column; width: 100%; }
  .bd-cta-btn { width: 100%; justify-content: center; }
}

/* ===== Article List 美观样式 ===== */

.al-content-section { padding: 60px 0 80px; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); min-height: 600px; }
.al-content-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }

/* 侧边栏 */
.al-sidebar { position: sticky; top: 100px; align-self: start; }
.al-sidebar-card { background: #fff; border-radius: 20px; padding: 28px; box-shadow: 0 4px 24px rgba(0,0,0,.06); margin-bottom: 24px; border: 1px solid #e2e8f0; }
.al-sidebar-header { display: flex; align-items: center; gap: 12px; font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; padding-bottom: 18px; border-bottom: 2px solid #f1f5f9; }
.al-sidebar-header svg { color: #2563eb; flex-shrink: 0; }

.al-sidebar-nav { display: flex; flex-direction: column; gap: 8px; }
.al-nav-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: #f8fafc; border-radius: 12px; color: #475569; text-decoration: none; font-weight: 500; font-size: .95rem; transition: all .3s ease; border: 1px solid transparent; }
.al-nav-item:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; transform: translateX(4px); }
.al-nav-item svg { opacity: 0; transform: translateX(-10px); transition: all .3s ease; }
.al-nav-item:hover svg { opacity: 1; transform: translateX(0); }

.al-nav-featured { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; font-weight: 600; }
.al-nav-featured:hover { background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%); color: #fff; }
.al-nav-featured svg { color: #fff; }
.al-nav-active { background: #2563eb; color: #fff; }
.al-nav-active svg { opacity: 1; transform: translateX(0); color: #fff; }

/* 联系卡片 */
.al-contact-card { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; border: none; }
.al-contact-icon { width: 56px; height: 56px; background: rgba(255,255,255,.2); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.al-contact-card h4 { font-size: 1.2rem; font-weight: 700; text-align: center; margin: 0 0 12px; }
.al-contact-card p { font-size: .9rem; text-align: center; color: rgba(255,255,255,.9); margin: 0 0 24px; line-height: 1.6; }
.al-contact-btn { display: block; width: 100%; padding: 14px 20px; background: #fff; color: #2563eb; text-align: center; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; font-size: .95rem; }
.al-contact-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }

/* 主内容区 */
.al-main { min-width: 0; }
.al-list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 2px solid #f1f5f9; }
.al-list-title { font-size: 1.8rem; font-weight: 700; color: #1e293b; margin: 0; }
.al-list-count { font-size: .95rem; color: #64748b; }
.al-list-count strong { color: #2563eb; font-weight: 700; font-size: 1.1rem; }

/* 文章列表 */
.al-article-list { display: flex; flex-direction: column; gap: 24px; }
.al-article-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid #e2e8f0; transition: all .3s ease; display: flex; gap: 0; }
.al-article-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.08); border-color: #2563eb; }

.al-article-thumb { width: 280px; flex-shrink: 0; position: relative; overflow: hidden; }
.al-article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.al-article-card:hover .al-article-thumb img { transform: scale(1.05); }
.al-article-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(37,99,235,.1) 0%, transparent 50%); }

.al-article-content { flex: 1; padding: 24px; display: flex; flex-direction: column; }
.al-article-tags { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.al-tag { display: inline-block; padding: 4px 12px; background: #eff6ff; color: #2563eb; font-size: .8rem; font-weight: 600; border-radius: 20px; }

.al-article-title { font-size: 1.3rem; font-weight: 700; margin: 0 0 12px; line-height: 1.4; }
.al-article-title a { color: #1e293b; text-decoration: none; transition: color .3s ease; }
.al-article-title a:hover { color: #2563eb; }

.al-article-summary { color: #64748b; font-size: .95rem; line-height: 1.7; margin: 0 0 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.al-article-meta { display: flex; gap: 20px; align-items: center; margin-top: auto; padding-top: 16px; border-top: 1px solid #f1f5f9; }
.al-meta-date { display: flex; align-items: center; gap: 6px; color: #94a3b8; font-size: .85rem; }
.al-meta-date svg { width: 14px; height: 14px; }
.al-meta-ai { display: flex; align-items: center; gap: 6px; color: #8b5cf6; font-size: .85rem; font-weight: 600; background: #f5f3ff; padding: 4px 10px; border-radius: 20px; }
.al-meta-ai svg { width: 14px; height: 14px; }

/* 无缩略图文章卡片 */
.al-article-card:not(:has(.al-article-thumb)) { flex-direction: column; }
.al-article-card:not(:has(.al-article-thumb)) .al-article-content { padding: 28px; }

/* 空状态 */
.al-empty { text-align: center; padding: 80px 40px; background: #fff; border-radius: 16px; border: 2px dashed #e2e8f0; }
.al-empty-icon { width: 80px; height: 80px; background: #f8fafc; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; color: #cbd5e1; }
.al-empty h3 { font-size: 1.4rem; font-weight: 700; color: #64748b; margin: 0 0 12px; }
.al-empty p { color: #94a3b8; font-size: 1rem; margin: 0; }

/* CTA区域 */
.al-cta-section { padding: 60px 0; background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); }
.al-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.al-cta-content { flex: 1; }
.al-cta-content h2 { font-size: 2rem; font-weight: 800; color: #1e293b; margin: 0 0 12px; }
.al-cta-content p { font-size: 1.1rem; color: #64748b; margin: 0; line-height: 1.6; }
.al-cta-actions { display: flex; gap: 16px; }
.al-cta-btn { padding: 16px 32px; font-size: 1rem; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; display: inline-block; }
.al-cta-btn.primary { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; }
.al-cta-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,99,235,.3); }
.al-cta-btn.outline { background: #fff; color: #2563eb; border: 2px solid #2563eb; }
.al-cta-btn.outline:hover { background: #2563eb; color: #fff; }

/* 响应式 */
@media(max-width: 1024px) {
  .al-content-wrap { grid-template-columns: 240px 1fr; gap: 32px; }
  .al-article-thumb { width: 220px; }
  .al-cta-inner { flex-direction: column; text-align: center; }
  .al-cta-actions { justify-content: center; }
}

@media(max-width: 768px) {
  .al-content-section { padding: 40px 0 60px; }
  .al-content-wrap { grid-template-columns: 1fr; gap: 32px; }
  .al-sidebar { position: static; }
  .al-sidebar-nav { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
  .al-nav-item { flex-direction: column; text-align: center; gap: 8px; }
  .al-article-card { flex-direction: column; }
  .al-article-thumb { width: 100%; height: 200px; }
  .al-article-content { padding: 20px; }
  .al-list-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .al-cta-content h2 { font-size: 1.6rem; }
  .al-cta-actions { flex-direction: column; width: 100%; }
  .al-cta-btn { width: 100%; text-align: center; }
}

@media(max-width: 480px) {
  .al-article-title { font-size: 1.1rem; }
  .al-article-summary { -webkit-line-clamp: 2; }
  .al-sidebar-nav { grid-template-columns: 1fr; }
}

/* ===== Article Class 独立样式 (.ac-*) ===== */

.ac-content-section { padding: 60px 0 80px; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); min-height: 600px; }
.ac-content-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }

/* 侧边栏 */
.ac-sidebar { position: sticky; top: 100px; align-self: start; }
.ac-sidebar-card { background: #fff; border-radius: 20px; padding: 28px; box-shadow: 0 4px 24px rgba(0,0,0,.06); margin-bottom: 24px; border: 1px solid #e2e8f0; }
.ac-sidebar-header { display: flex; align-items: center; gap: 12px; font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; padding-bottom: 18px; border-bottom: 2px solid #f1f5f9; }
.ac-sidebar-header svg { color: #2563eb; flex-shrink: 0; }

.ac-sidebar-nav { display: flex; flex-direction: column; gap: 8px; }
.ac-nav-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: #f8fafc; border-radius: 12px; color: #475569; text-decoration: none; font-weight: 500; font-size: .95rem; transition: all .3s ease; border: 1px solid transparent; }
.ac-nav-item:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; transform: translateX(4px); }
.ac-nav-item svg { transition: all .3s ease; }
.ac-nav-item:hover svg { opacity: 1; transform: translateX(0); }
.ac-nav-active { background: #2563eb; color: #fff; }
.ac-nav-active svg { opacity: 1; transform: translateX(0); color: #fff; }

/* 联系卡片 */
.ac-contact-card { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; border: none; }
.ac-contact-icon { width: 56px; height: 56px; background: rgba(255,255,255,.2); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.ac-contact-card h4 { font-size: 1.2rem; font-weight: 700; text-align: center; margin: 0 0 12px; }
.ac-contact-card p { font-size: .9rem; text-align: center; color: rgba(255,255,255,.9); margin: 0 0 24px; line-height: 1.6; }
.ac-contact-btn { display: block; width: 100%; padding: 14px 20px; background: #fff; color: #2563eb; text-align: center; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; font-size: .95rem; }
.ac-contact-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }

/* 主内容区 */
.ac-main { min-width: 0; }
.ac-class-detail { background: #fff; border-radius: 16px; padding: 32px; margin-bottom: 32px; border: 1px solid #e2e8f0; }
.ac-list-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; padding-bottom: 20px; border-bottom: 2px solid #f1f5f9; }
.ac-list-title { font-size: 1.8rem; font-weight: 700; color: #1e293b; margin: 0; }
.ac-list-count { font-size: .95rem; color: #64748b; }
.ac-list-count strong { color: #2563eb; font-weight: 700; font-size: 1.1rem; }

/* 文章列表 */
.ac-article-list { display: flex; flex-direction: column; gap: 24px; }
.ac-article-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.04); border: 1px solid #e2e8f0; transition: all .3s ease; display: flex; gap: 0; }
.ac-article-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.08); border-color: #2563eb; }

.ac-article-thumb { width: 280px; flex-shrink: 0; position: relative; overflow: hidden; }
.ac-article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.ac-article-card:hover .ac-article-thumb img { transform: scale(1.05); }
.ac-article-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(37,99,235,.1) 0%, transparent 50%); }

.ac-article-content { flex: 1; padding: 24px; display: flex; flex-direction: column; }
.ac-article-tags { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.ac-tag { display: inline-block; padding: 4px 12px; background: #eff6ff; color: #2563eb; font-size: .8rem; font-weight: 600; border-radius: 20px; }

.ac-article-title { font-size: 1.3rem; font-weight: 700; margin: 0 0 12px; line-height: 1.4; }
.ac-article-title a { color: #1e293b; text-decoration: none; transition: color .3s ease; }
.ac-article-title a:hover { color: #2563eb; }

.ac-article-summary { color: #64748b; font-size: .95rem; line-height: 1.7; margin: 0 0 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.ac-article-meta { display: flex; gap: 20px; align-items: center; margin-top: auto; padding-top: 16px; border-top: 1px solid #f1f5f9; }
.ac-meta-date { display: flex; align-items: center; gap: 6px; color: #94a3b8; font-size: .85rem; }
.ac-meta-date svg { width: 14px; height: 14px; }

/* 无缩略图文章卡片 */
.ac-article-card:not(:has(.ac-article-thumb)) { flex-direction: column; }
.ac-article-card:not(:has(.ac-article-thumb)) .ac-article-content { padding: 28px; }

/* 空状态 */
.ac-empty { text-align: center; padding: 80px 40px; background: #fff; border-radius: 16px; border: 2px dashed #e2e8f0; }
.ac-empty-icon { width: 80px; height: 80px; background: #f8fafc; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; color: #cbd5e1; }
.ac-empty h3 { font-size: 1.4rem; font-weight: 700; color: #64748b; margin: 0 0 12px; }
.ac-empty p { color: #94a3b8; font-size: 1rem; margin: 0; }

/* 分页 */
.ac-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }
.ac-page-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; font-size: .9rem; transition: all .3s ease; }
.ac-page-btn:hover:not(.is-disabled) { background: #2563eb; color: #fff; border-color: #2563eb; }
.ac-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.ac-page-numbers { display: flex; gap: 6px; }
.ac-page-num { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; transition: all .3s ease; }
.ac-page-num:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }
.ac-page-num.is-active { background: #2563eb; color: #fff; border-color: #2563eb; }
.ac-page-dots { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; color: #94a3b8; }

/* CTA区域 */
.ac-cta-section { padding: 60px 0; background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); }
.ac-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.ac-cta-content { flex: 1; }
.ac-cta-content h2 { font-size: 2rem; font-weight: 800; color: #1e293b; margin: 0 0 12px; }
.ac-cta-content p { font-size: 1.1rem; color: #64748b; margin: 0; line-height: 1.6; }
.ac-cta-actions { display: flex; gap: 16px; }
.ac-cta-btn { padding: 16px 32px; font-size: 1rem; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; display: inline-block; }
.ac-cta-btn.primary { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; }
.ac-cta-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,99,235,.3); }
.ac-cta-btn.outline { background: #fff; color: #2563eb; border: 2px solid #2563eb; }
.ac-cta-btn.outline:hover { background: #2563eb; color: #fff; }

/* 响应式 */
@media(max-width: 1024px) {
  .ac-content-wrap { grid-template-columns: 240px 1fr; gap: 32px; }
  .ac-article-thumb { width: 220px; }
  .ac-cta-inner { flex-direction: column; text-align: center; }
  .ac-cta-actions { justify-content: center; }
}

@media(max-width: 768px) {
  .ac-content-section { padding: 40px 0 60px; }
  .ac-content-wrap { grid-template-columns: 1fr; gap: 32px; }
  .ac-sidebar { position: static; }
  .ac-sidebar-nav { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
  .ac-nav-item { flex-direction: column; text-align: center; gap: 8px; }
  .ac-article-card { flex-direction: column; }
  .ac-article-thumb { width: 100%; height: 200px; }
  .ac-article-content { padding: 20px; }
  .ac-list-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .ac-cta-content h2 { font-size: 1.6rem; }
  .ac-cta-actions { flex-direction: column; width: 100%; }
  .ac-cta-btn { width: 100%; text-align: center; }
}

@media(max-width: 480px) {
  .ac-article-title { font-size: 1.1rem; }
  .ac-article-summary { -webkit-line-clamp: 2; }
  .ac-sidebar-nav { grid-template-columns: 1fr; }
}

/* ===== Article Detail SEO优化样式 (.detail-*) ===== */

/* Hero区域 */
.detail-hero { position: relative; padding: 140px 0 60px; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); overflow: hidden; }
.detail-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.3) 0%, transparent 50%); }
.detail-hero-inner { position: relative; z-index: 1; }
.detail-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: .9rem; flex-wrap: wrap; }
.detail-breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; transition: color .3s; }
.detail-breadcrumb a:hover { color: #fff; }
.detail-breadcrumb svg { color: rgba(255,255,255,.4); }
.detail-breadcrumb span { color: rgba(255,255,255,.9); }
.detail-hero-title { font-size: 2.4rem; font-weight: 800; color: #fff; margin: 0 0 20px; line-height: 1.3; letter-spacing: -0.02em; }
.detail-hero-summary { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0 0 24px; line-height: 1.7; }
.detail-hero-meta { display: flex; gap: 24px; flex-wrap: wrap; }
.detail-meta-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.8); font-size: .9rem; }
.detail-meta-item svg { opacity: .7; }

/* 内容区域 */
.detail-article { width: 100%; padding: 60px 0 80px; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.detail-content-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: start; }

/* 侧边栏 */
.detail-sidebar { position: sticky; top: 100px; }
.detail-sidebar-card { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.06); border: 1px solid #e2e8f0; margin-bottom: 24px; }
.detail-sidebar-title { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; padding-bottom: 16px; border-bottom: 2px solid #f1f5f9; }
.detail-sidebar-title svg { color: #2563eb; }

.detail-info-list { display: flex; flex-direction: column; gap: 16px; }
.detail-info-item { display: flex; flex-direction: column; gap: 6px; }
.detail-info-label { font-size: .8rem; color: #94a3b8; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.detail-info-value { font-size: .95rem; color: #475569; font-weight: 500; }
.detail-info-link { color: #2563eb; text-decoration: none; font-weight: 500; transition: color .3s; }
.detail-info-link:hover { color: #1d4ed8; text-decoration: underline; }
.detail-info-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.detail-info-tag { display: inline-block; padding: 4px 10px; background: #eff6ff; color: #2563eb; font-size: .8rem; font-weight: 500; border-radius: 20px; text-decoration: none; transition: all .3s; }
.detail-info-tag:hover { background: #2563eb; color: #fff; }

/* 目录 */
.detail-toc-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.detail-toc-item a { display: block; padding: 8px 12px; color: #64748b; text-decoration: none; font-size: .9rem; border-radius: 8px; transition: all .3s; border-left: 2px solid transparent; }
.detail-toc-item a:hover { background: #eff6ff; color: #2563eb; border-left-color: #2563eb; }
.detail-toc-h2 { padding-left: 0; }
.detail-toc-h3 { padding-left: 16px; font-size: .85rem; }
.detail-toc-loading, .detail-toc-empty { color: #94a3b8; font-size: .9rem; text-align: center; padding: 20px 0; }

/* 分享 */
.detail-share { display: flex; flex-direction: column; gap: 10px; }
.detail-share-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; background: #f8fafc; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; font-size: .9rem; font-weight: 500; cursor: pointer; transition: all .3s; }
.detail-share-btn:hover { background: #2563eb; color: #fff; border-color: #2563eb; }

/* 文章正文 */
.detail-main { min-width: 0; }
.detail-article-summary { display: flex; gap: 20px; background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%); border-left: 4px solid #2563eb; border-radius: 12px; padding: 24px; margin-bottom: 32px; }
.detail-summary-icon { flex-shrink: 0; width: 48px; height: 48px; background: #2563eb; border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; }
.detail-summary-content h4 { font-size: .9rem; font-weight: 700; color: #2563eb; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .5px; }
.detail-summary-content p { color: #475569; font-size: 1rem; line-height: 1.7; margin: 0; }

.detail-article-body { font-size: 1.05rem; line-height: 1.9; color: #334155; }
.detail-article-body h2 { font-size: 1.6rem; font-weight: 700; color: #1e293b; margin: 48px 0 24px; padding-bottom: 12px; border-bottom: 2px solid #e2e8f0; }
.detail-article-body h3 { font-size: 1.3rem; font-weight: 700; color: #1e293b; margin: 36px 0 16px; }
.detail-article-body p { margin: 0 0 20px; }
.detail-article-body img { max-width: 100%; height: auto; border-radius: 12px; margin: 24px 0; }
.detail-article-body ul, .detail-article-body ol { margin: 0 0 20px; padding-left: 28px; }
.detail-article-body li { margin-bottom: 8px; }
.detail-article-body a { color: #2563eb; text-decoration: none; }
.detail-article-body a:hover { text-decoration: underline; }
.detail-article-body blockquote { margin: 24px 0; padding: 20px 24px; background: #f8fafc; border-left: 4px solid #2563eb; border-radius: 0 12px 12px 0; color: #475569; }
.detail-article-body code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: .9em; color: #e11d48; }
.detail-article-body pre { background: #1e293b; color: #e2e8f0; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 24px 0; }
.detail-article-body pre code { background: none; color: inherit; padding: 0; }
.detail-article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.detail-article-body th, .detail-article-body td { padding: 12px 16px; border: 1px solid #e2e8f0; text-align: left; }
.detail-article-body th { background: #f8fafc; font-weight: 600; }

/* 图片画廊 */
.detail-gallery { margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }

/* 标签 */
.detail-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }
.detail-tags-label { font-weight: 600; color: #64748b; font-size: .9rem; }
.detail-tags .tags-wrap { display: flex; flex-wrap: wrap; gap: 8px; }

/* 文章导航 */
.detail-nav { margin-top: 48px; padding-top: 32px; border-top: 2px solid #e2e8f0; }
.detail-nav-title { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 20px; }
.detail-nav-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.detail-nav-item { display: flex; flex-direction: column; gap: 8px; padding: 20px; background: #f8fafc; border-radius: 12px; text-decoration: none; transition: all .3s; border: 1px solid transparent; }
.detail-nav-item:hover { background: #eff6ff; border-color: #2563eb; }
.detail-nav-empty { background: transparent; }
.detail-nav-prev { align-items: flex-start; }
.detail-nav-next { align-items: flex-end; text-align: right; }
.detail-nav-dir { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: #94a3b8; font-weight: 600; }
.detail-nav-next .detail-nav-dir { flex-direction: row-reverse; }
.detail-nav-text { font-size: .95rem; color: #1e293b; font-weight: 500; line-height: 1.4; }

/* 相关产品 */
.detail-related { width: 100%; padding: 60px 0; }
.detail-related-alt { width: 100%; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.detail-section-header { text-align: center; margin-bottom: 40px; }
.detail-section-title { font-size: 1.8rem; font-weight: 800; color: #1e293b; margin: 0 0 12px; }
.detail-section-desc { font-size: 1rem; color: #64748b; margin: 0; }

.detail-products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.detail-product-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s; display: flex; flex-direction: column; }
.detail-product-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,.1); border-color: #2563eb; }
.detail-product-img { height: 180px; overflow: hidden; background: #f8fafc; }
.detail-product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.detail-product-card:hover .detail-product-img img { transform: scale(1.05); }
.detail-product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.detail-product-body h3 { font-size: 1.1rem; font-weight: 700; color: #1e293b; margin: 0 0 10px; line-height: 1.4; }
.detail-product-body p { font-size: .9rem; color: #64748b; margin: 0 0 16px; line-height: 1.6; flex: 1; }
.detail-product-btn { display: inline-block; padding: 10px 20px; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; font-size: .9rem; font-weight: 600; border-radius: 8px; text-align: center; transition: all .3s; }
.detail-product-card:hover .detail-product-btn { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.3); }

/* 相关文章 */
.detail-articles-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.detail-article-item { display: flex; gap: 16px; padding: 20px; background: #fff; border-radius: 12px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s; }
.detail-article-item:hover { transform: translateX(4px); box-shadow: 0 10px 30px rgba(0,0,0,.08); border-color: #2563eb; }
.detail-article-img { width: 100px; height: 80px; flex-shrink: 0; border-radius: 8px; overflow: hidden; background: #f8fafc; }
.detail-article-img img { width: 100%; height: 100%; object-fit: cover; }
.detail-article-body { flex: 1; min-width: 0; }
.detail-article-body h3 { font-size: 1rem; font-weight: 700; color: #1e293b; margin: 0 0 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.detail-article-body p { font-size: .85rem; color: #64748b; margin: 0 0 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.detail-article-meta { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; color: #94a3b8; }
.detail-article-meta span { color: #2563eb; font-weight: 500; }

/* CTA */
.detail-cta { width: 100%; padding: 60px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 100%); }
.detail-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.detail-cta-content h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.detail-cta-content p { font-size: 1rem; color: rgba(255,255,255,.8); margin: 0; }
.detail-cta-btn { padding: 16px 36px; background: #fff; color: #2563eb; font-size: 1rem; font-weight: 700; text-decoration: none; border-radius: 12px; transition: all .3s; display: inline-block; white-space: nowrap; }
.detail-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.3); }

/* 响应式 */
@media(max-width: 1024px) {
  .detail-content-wrap { grid-template-columns: 240px 1fr; gap: 32px; }
  .detail-cta-inner { flex-direction: column; text-align: center; }
}

@media(max-width: 768px) {
  .detail-hero { padding: 120px 0 50px; }
  .detail-hero-title { font-size: 1.8rem; }
  .detail-content-wrap { grid-template-columns: 1fr; gap: 32px; }
  .detail-sidebar { position: static; }
  .detail-nav-grid { grid-template-columns: 1fr; }
  .detail-products-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-articles-list { grid-template-columns: 1fr; }
  .detail-cta-content h2 { font-size: 1.5rem; }
  .detail-cta-btn { width: 100%; text-align: center; }
}

@media(max-width: 480px) {
  .detail-hero { padding: 100px 0 40px; }
  .detail-hero-title { font-size: 1.5rem; }
  .detail-hero-summary { font-size: 1rem; }
  .detail-hero-meta { flex-direction: column; gap: 12px; }
  .detail-sidebar-card { padding: 20px; }
  .detail-products-grid { grid-template-columns: 1fr; }
  .detail-article-item { flex-direction: column; }
  .detail-article-img { width: 100%; height: 160px; }
}

/* ===== Site Group Detail 样式 (.sg-*) ===== */

/* 技术选型资讯模块 */
.sg-articles { padding: 60px 0; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.sg-articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; margin-top: 40px; }
.sg-article-card { display: flex; flex-direction: column; background: #fff; border-radius: 16px; padding: 28px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s ease; position: relative; overflow: hidden; }
.sg-article-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: linear-gradient(180deg, #2563eb 0%, #3b82f6 100%); transform: scaleY(0); transition: transform .3s ease; }
.sg-article-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.08); border-color: #2563eb; }
.sg-article-card:hover::before { transform: scaleY(1); }
.sg-article-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; background: #eff6ff; color: #2563eb; font-size: .8rem; font-weight: 600; border-radius: 20px; margin-bottom: 16px; width: fit-content; }
.sg-article-tag svg { width: 14px; height: 14px; }
.sg-article-title { font-size: 1.15rem; font-weight: 700; color: #1e293b; margin: 0 0 12px; line-height: 1.5; transition: color .3s; }
.sg-article-card:hover .sg-article-title { color: #2563eb; }
.sg-article-summary { font-size: .9rem; color: #64748b; line-height: 1.7; margin: 0 0 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.sg-article-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid #f1f5f9; margin-top: auto; }
.sg-article-date { display: flex; align-items: center; gap: 6px; color: #94a3b8; font-size: .85rem; }
.sg-article-date svg { width: 14px; height: 14px; }
.sg-article-arrow { display: flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: #f1f5f9; border-radius: 50%; color: #64748b; transition: all .3s; }
.sg-article-card:hover .sg-article-arrow { background: #2563eb; color: #fff; transform: translateX(4px); }
.sg-articles-more { text-align: center; margin-top: 40px; }
.sg-more-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; font-size: 1rem; font-weight: 600; text-decoration: none; border-radius: 12px; transition: all .3s ease; }
.sg-more-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(37,99,235,.3); }

/* 相关推荐模块 */
.sg-related { padding: 60px 0; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.sg-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-top: 40px; }
.sg-related-item { display: flex; align-items: center; gap: 12px; padding: 20px 24px; background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; text-decoration: none; color: #475569; font-weight: 600; font-size: .95rem; transition: all .3s ease; position: relative; overflow: hidden; }
.sg-related-item::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(37,99,235,.05) 0%, transparent 100%); opacity: 0; transition: opacity .3s; }
.sg-related-item:hover { background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: #fff; border-color: #2563eb; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.2); }
.sg-related-item:hover::after { opacity: 1; }
.sg-related-icon { flex-shrink: 0; width: 36px; height: 36px; background: #eff6ff; border-radius: 10px; display: flex; align-items: center; justify-content: center; transition: all .3s; }
.sg-related-item:hover .sg-related-icon { background: rgba(255,255,255,.2); }
.sg-related-icon svg { width: 18px; height: 18px; color: #2563eb; transition: color .3s; }
.sg-related-item:hover .sg-related-icon svg { color: #fff; }
.sg-related-arrow { margin-left: auto; opacity: 0; transform: translateX(-10px); transition: all .3s; }
.sg-related-item:hover .sg-related-arrow { opacity: 1; transform: translateX(0); }
.sg-related-arrow svg { width: 16px; height: 16px; }
.sg-related-text { position: relative; z-index: 1; flex: 1; }

/* 响应式 */
@media(max-width: 768px) {
  .sg-articles { padding: 40px 0; }
  .sg-articles-grid { grid-template-columns: 1fr; gap: 16px; }
  .sg-related-grid { grid-template-columns: repeat(2, 1fr); }
  .sg-related-item { padding: 16px 20px; font-size: .9rem; }
}

@media(max-width: 480px) {
  .sg-related-grid { grid-template-columns: 1fr; }
}

/* 文章列表分页 */
.al-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; padding-top: 32px; border-top: 1px solid #e2e8f0; }
.al-page-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; font-size: .9rem; transition: all .3s ease; }
.al-page-btn:hover:not(.is-disabled) { background: #2563eb; color: #fff; border-color: #2563eb; }
.al-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.al-page-numbers { display: flex; gap: 6px; }
.al-page-num { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; transition: all .3s ease; }
.al-page-num:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }
.al-page-num.is-active { background: #2563eb; color: #fff; border-color: #2563eb; }
.al-page-dots { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; color: #94a3b8; }

/* 文章列表交替布局分页 */
.article-alt-pagination-section { padding: 40px 0; background: linear-gradient(180deg, #fff 0%, #f8fafc 100%); }
.article-alt-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; }
.article-alt-page-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; font-size: .9rem; transition: all .3s ease; }
.article-alt-page-btn:hover:not(.is-disabled) { background: #2563eb; color: #fff; border-color: #2563eb; }
.article-alt-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.article-alt-page-numbers { display: flex; gap: 6px; }
.article-alt-page-num { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; transition: all .3s ease; }
.article-alt-page-num:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }
.article-alt-page-num.is-active { background: #2563eb; color: #fff; border-color: #2563eb; }
.article-alt-page-dots { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; color: #94a3b8; }

/* 解决方案列表分页 */
.solution-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; padding-top: 40px; border-top: 1px solid #e2e8f0; }
.solution-page-btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; font-size: .9rem; transition: all .3s ease; }
.solution-page-btn:hover:not(.is-disabled) { background: #2563eb; color: #fff; border-color: #2563eb; }
.solution-page-btn.is-disabled { opacity: .5; cursor: not-allowed; }
.solution-page-numbers { display: flex; gap: 6px; }
.solution-page-num { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; background: #fff; color: #475569; border: 1px solid #e2e8f0; border-radius: 10px; text-decoration: none; font-weight: 500; transition: all .3s ease; }
.solution-page-num:hover { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }
.solution-page-num.is-active { background: #2563eb; color: #fff; border-color: #2563eb; }
.solution-page-dots { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; color: #94a3b8; }