/* ===== 页面顶部横幅（page-hero，供 article_class 等页面使用） ===== */
.page-hero {
  position:relative; padding:180px 0 120px;
  background:linear-gradient(135deg,#151E2D 0%,#1e3a5f 50%,#1a4a7a 100%);
  color:#fff; overflow:hidden;
}
.page-hero::before {
  content:''; position:absolute; inset:0;
  background:url('/images/hero-banner.svg') center/cover no-repeat;
  opacity:.08; z-index:0; pointer-events:none;
}
.page-hero::after {
  content:''; position:absolute; top:-40%; right:-10%;
  width:600px; height:600px;
  background:radial-gradient(circle,rgba(37,99,235,.12) 0%,transparent 70%);
  border-radius:50%; z-index:0; pointer-events:none;
}
.page-hero .hero-inner { position:relative; z-index:2; text-align:center; }
.page-hero.hero-has-bg::after {
  content:''; position:absolute; inset:0;
  width:auto; height:auto; top:0; right:0;
  border-radius:0;
  background:linear-gradient(135deg,rgba(15,23,42,.85) 0%,rgba(15,23,42,.7) 50%,rgba(15,23,42,.5) 100%);
  z-index:1;
}
.page-hero .hero-breadcrumb { font-size:13px; color:rgba(255,255,255,.55); margin-bottom:12px; }
.page-hero .hero-breadcrumb a { color:rgba(255,255,255,.7); }
.page-hero .hero-breadcrumb a:hover { color:#fff; }
.page-hero h1 {
  font-size:clamp(1.8rem,3vw,2.6rem); font-weight:800;
  margin-bottom:12px; line-height:1.2;
}
.page-hero p {
  font-size:clamp(.95rem,1.3vw,1.05rem);
  color:rgba(255,255,255,.7); max-width:800px; margin:0 auto;
  line-height:1.7;
}

/* ===== Hero 响应式 ===== */
@media(max-width:768px) {
  .page-hero { padding:110px 0 50px; }
}

/* ===== 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; }
}

/* ===== 文章列表样式（左图右文） ===== */
.article-list-view { max-width:1200px; margin:0 auto; padding:0 20px; }
.article-row {
  display:flex; gap:24px; padding:28px 0; text-decoration:none; color:inherit;
  border-bottom:1px solid var(--border); transition:all var(--transition);
}
.article-row:hover { opacity:.85; }
.article-row:last-child { border-bottom:none; }
.article-row .art-thumb {
  width:260px; min-height:170px; flex-shrink:0;
  border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-alt);
}
.article-row .art-thumb img { width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.article-row:hover .art-thumb img { transform:scale(1.05); }
.article-row .art-info { flex:1; display:flex; flex-direction:column; justify-content:center; }
.article-row .art-info h3 {
  font-size:1.15rem; font-weight:600; color:var(--text); margin-bottom:8px;
}
.article-row .art-info .art-summary {
  font-size:.88rem; color:var(--text-muted); line-height:1.7;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:12px;
}
.article-row .art-info .art-meta {
  font-size:.82rem; color:var(--text-light); display:flex; gap:16px;
}

.card-badge.case {
  background:linear-gradient(135deg,#f59e0b,#d97706);
}

@media(max-width:768px) {
  .article-row { flex-direction:column; gap:14px; }
  .article-row .art-thumb { width:100%; height:200px; }
}

/* ===== 相关文章 ===== */
.related-articles-list { display:flex; flex-direction:column; gap:16px; }
.related-article-item {
  display:block; text-decoration:none; color:inherit;
  background:var(--bg-white); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:24px 28px;
  transition:all var(--transition);
}
.related-article-item:hover { border-color:var(--primary); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.related-article-title { font-size:1.1rem; font-weight:700; color:var(--text); margin-bottom:6px; }
.related-article-summary { font-size:.9rem; color:var(--text-muted); line-height:1.7; margin-bottom:10px; }
.related-article-meta { display:flex; align-items:center; gap:16px; font-size:.85rem; }
.related-article-date { color:var(--text-light); }
.related-article-link { color:var(--primary); font-weight:600; transition:all .2s; }
.related-article-item:hover .related-article-link { color:var(--primary-dark); }
@media(max-width:768px) {
  .related-article-item { padding:18px 20px; }
  .related-article-title { font-size:1rem; }
}

/* ===== 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) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media(max-width: 768px) {
  .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) {
  .blog-hero-title { font-size: 1.6rem; }
  .blog-page-numbers { order: -1; 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(38,187,154,.85) 0%, rgba(72,200,173,.7) 50%, rgba(130,221,197,.6) 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; background-image: url('/images/blogbeijing.png'); background-position: right center; background-repeat: no-repeat; background-size: auto; }
.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 Class 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 { opacity: 0; transform: translateX(-10px); 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 { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid #e2e8f0; font-size: .95rem; line-height: 1.8; color: #475569; }
.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; }

/* 精选文章 */
.ac-article-featured { border: 2px solid #2563eb; background: linear-gradient(135deg, #f0f7ff 0%, #fff 100%); position: relative; }
.ac-article-featured::before { content: '推荐'; position: absolute; top: 12px; right: 12px; font-size: .75rem; font-weight: 700; color: #fff; background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%); padding: 4px 12px; border-radius: 20px; z-index: 2; }

/* 空状态 */
.ac-empty { text-align: center; padding: 80px 20px; }
.ac-empty-icon { width: 80px; height: 80px; margin: 0 auto 20px; background: #f1f5f9; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #94a3b8; }
.ac-empty h3 { font-size: 1.3rem; font-weight: 700; color: #1e293b; margin: 0 0 10px; }
.ac-empty p { font-size: .95rem; color: #94a3b8; margin: 0; }

/* 分页 */
.ac-pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 48px; padding-top: 32px; border-top: 1px solid #e2e8f0; }
.ac-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 ease; }
.ac-page-btn svg { width: 16px; height: 16px; }
.ac-page-btn:hover { border-color: #2563eb; color: #2563eb; background: rgba(37,99,235,.05); }
.ac-page-btn.is-disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.ac-page-numbers { display: flex; align-items: center; gap: 8px; }
.ac-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 ease; }
.ac-page-num:hover { border-color: #2563eb; color: #2563eb; }
.ac-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); }
.ac-page-dots { color: #94a3b8; padding: 0 8px; }

/* CTA */
.ac-cta-section { padding: 60px 0; background: linear-gradient(135deg, #0f1724 0%, #1e3a5f 50%, #2563eb 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: 1.8rem; font-weight: 800; color: #fff; margin: 0 0 12px; }
.ac-cta-content p { font-size: 1rem; color: rgba(255,255,255,.8); margin: 0; }
.ac-cta-actions { display: flex; gap: 16px; flex-shrink: 0; }
.ac-cta-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 ease; }
.ac-cta-btn.primary { background: #fff; color: #2563eb; }
.ac-cta-btn.primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.ac-cta-btn.outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.3); }
.ac-cta-btn.outline:hover { border-color: #fff; transform: translateY(-2px); }

/* ===== Article Hub 样式 (.hub-*) ===== */
.hub-section { padding: 60px 0; }
.hub-section:last-of-type { padding-bottom: 80px; }
.hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.hub-card { display: block; background: #fff; border-radius: 16px; padding: 28px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s ease; }
.hub-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,.08); border-color: #2563eb; }
.hub-card-img { margin: -28px -28px 20px; border-radius: 16px 16px 0 0; overflow: hidden; height: 180px; background: #f1f5f9; }
.hub-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.hub-card:hover .hub-card-img img { transform: scale(1.05); }
.hub-card-body { }
.hub-card-title { font-size: 1.15rem; font-weight: 700; color: #1e293b; margin: 0 0 10px; line-height: 1.4; transition: color .3s ease; }
.hub-card:hover .hub-card-title { color: #2563eb; }
.hub-card-summary { font-size: .9rem; color: #64748b; line-height: 1.7; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hub-card-meta { font-size: .85rem; color: #94a3b8; }

/* 空状态 */
.list-empty { text-align: center; padding: 60px 20px; }
.list-empty .empty-icon { font-size: 3rem; margin-bottom: 16px; }
.list-empty p { font-size: .95rem; color: #94a3b8; margin: 0; }

/* ===== Tag Articles 样式 (.tag-*) ===== */
.tag-list-section { padding: 60px 0 80px; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); min-height: 500px; }
.tag-list-items { display: flex; flex-direction: column; gap: 20px; }
.tag-list-item { display: block; background: #fff; border-radius: 16px; padding: 28px; border: 1px solid #e2e8f0; text-decoration: none; transition: all .3s ease; }
.tag-list-item:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,.08); border-color: #2563eb; }
.tag-list-item-body { }
.tag-list-item-title { font-size: 1.2rem; font-weight: 700; color: #1e293b; margin: 0 0 12px; line-height: 1.4; transition: color .3s ease; }
.tag-list-item:hover .tag-list-item-title { color: #2563eb; }
.tag-list-item-summary { font-size: .95rem; color: #64748b; line-height: 1.8; margin: 0 0 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tag-list-item-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid #f1f5f9; }
.tag-list-item-date { display: flex; align-items: center; gap: 6px; font-size: .85rem; color: #94a3b8; }
.tag-list-item-date svg { width: 14px; height: 14px; }
.tag-list-item-more { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 600; color: #2563eb; transition: all .3s ease; }
.tag-list-item-more svg { width: 14px; height: 14px; transition: transform .3s ease; }
.tag-list-item:hover .tag-list-item-more svg { transform: translateX(4px); }

/* 空状态 */
.tag-list-empty { text-align: center; padding: 80px 20px; }
.tag-list-empty-icon { width: 80px; height: 80px; margin: 0 auto 20px; background: #f1f5f9; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #94a3b8; }
.tag-list-empty h3 { font-size: 1.3rem; font-weight: 700; color: #1e293b; margin: 0 0 10px; }
.tag-list-empty p { font-size: .95rem; color: #94a3b8; margin: 0; }

/* 分页 */
.tag-list-pagination { display: flex; align-items: center; justify-content: center; margin-top: 48px; }
.tag-page-numbers { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.tag-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 ease; }
.tag-page-num:hover { border-color: #2563eb; color: #2563eb; }
.tag-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); }

/* ===== 面包屑导航（供 article_detail 等页面共用） ===== */
.breadcrumb-bar {
  background: var(--bg-alt); border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-inner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
  font-size: .85rem; color: var(--text-muted);
}
.breadcrumb-inner a {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--text-muted); text-decoration: none;
  padding: 2px 8px; border-radius: 6px; transition: all .2s;
}
.breadcrumb-inner a:hover { color: var(--primary); background: var(--bg-white); }
.breadcrumb-sep { color: var(--text-light); display: inline-flex; align-items: center; }
.breadcrumb-current {
  color: var(--text); font-weight: 600;
  padding: 2px 8px; background: var(--bg-white); border-radius: 6px;
}

/* ===== 文本内容区（供 article_detail 等页面共用） ===== */
.content-body {
  font-size:1rem; line-height:2; color:var(--text);
}
.content-body p { margin-bottom:18px; }
.content-body img { max-width:100%; border-radius:var(--radius-lg); margin:24px 0; box-shadow:var(--shadow-md); }
.content-body h2, .content-body h3 { font-weight:700; margin-top:32px; margin-bottom:14px; color:var(--text); }
.content-body h2 { font-size:1.5rem; }
.content-body h3 { font-size:1.2rem; }
.content-body ul, .content-body ol { padding-left:24px; margin-bottom:18px; }
.content-body li { margin-bottom:8px; }
.content-body blockquote {
  border-left:4px solid var(--primary);
  background:var(--bg-gray); padding:16px 20px;
  border-radius:0 var(--radius) var(--radius) 0;
  margin:20px 0; color:var(--text-muted); font-style:italic;
}
.content-body a { color:var(--primary); text-decoration:underline; }

/* ===== 淡入动画 ===== */
.fade-in { opacity:0; transform:translateY(20px); transition:all .6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* ===== 响应式 ===== */
@media(max-width: 1024px) {
  .ac-content-wrap { grid-template-columns: 1fr; }
  .ac-article-thumb { width: 220px; }
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
  .ac-cta-inner { flex-direction: column; text-align: center; }
}

@media(max-width: 768px) {
  .ac-content-section { padding: 40px 0 60px; }
  .ac-sidebar { position: static; }
  .ac-article-card { flex-direction: column; }
  .ac-article-thumb { width: 100%; height: 200px; }
  .ac-list-title { font-size: 1.4rem; }
  .ac-pagination { flex-wrap: wrap; gap: 12px; }
  .ac-page-numbers { order: -1; width: 100%; justify-content: center; }

  .hub-section { padding: 40px 0; }
  .hub-grid { grid-template-columns: 1fr; }
  .hub-card { padding: 20px; }

  .tag-list-section { padding: 40px 0 60px; }
  .tag-list-item { padding: 20px; }
  .tag-list-item-footer { flex-direction: column; gap: 12px; align-items: flex-start; }

  .ac-cta-section { padding: 40px 0; }
  .ac-cta-content h2 { font-size: 1.4rem; }
  .ac-cta-actions { flex-direction: column; width: 100%; }
  .ac-cta-btn { width: 100%; justify-content: center; }
}

@media(max-width: 480px) {
  .ac-article-title { font-size: 1.1rem; }
  .ac-article-summary { -webkit-line-clamp: 2; }
  .ac-list-header { flex-direction: column; gap: 8px; align-items: flex-start; }

  .hub-card-title { font-size: 1.05rem; }
  .hub-card-summary { -webkit-line-clamp: 1; }

  .tag-list-item-title { font-size: 1.05rem; }
}