/* ===== 面包屑 ===== */
.breadcrumb{background:var(--bg-gray);padding:14px 0;border-bottom:1px solid var(--border-light);font-size:13px}
.breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.breadcrumb a{color:var(--text-light);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{margin:0 8px;color:var(--text-light);opacity:.4}
.breadcrumb .cur{color:var(--text-mid);font-weight:500}

/* ===== 文章主体布局 ===== */
.article-section{padding:50px 0;background:var(--bg-gray)}
.article-layout{display:flex;gap:36px;align-items:flex-start}
.article-main{flex:1;min-width:0;background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border-light);overflow:hidden}

/* ===== 文章头部 ===== */
.article-header{padding:40px 44px 0}
.article-header h1{font-size:30px;font-weight:700;color:var(--text-dark);line-height:1.4;margin-bottom:16px;letter-spacing:-.3px}
.article-header .article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--text-light);padding-bottom:20px;border-bottom:1px solid var(--border-light)}
.article-header .article-meta span{display:flex;align-items:center;gap:6px}
.article-header .article-meta i{color:var(--blue);opacity:.6;font-size:13px}
.article-header .article-meta .tag{display:inline-block;background:var(--blue-light);color:var(--blue);padding:2px 12px;border-radius:50px;font-size:12px;font-weight:600}
.article-header .article-cover{margin-top:24px;border-radius:var(--radius-sm);overflow:hidden;background:var(--blue-light);display:flex;align-items:center;justify-content:center;height:380px}
.article-header .article-cover .placeholder{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--blue);}
.article-header .article-cover .placeholder i{font-size:56px}
.article-header .article-cover .placeholder span{font-size:14px}
.article-header .article-cover img{width:100%;height:100%;object-fit:cover}

/* ===== 文章正文 ===== */
.article-body{padding:36px 44px 40px;font-size:16px;line-height:1.9;color:var(--text-mid)}
.article-body .lead{font-size:17px;color:var(--text-dark);font-weight:500;padding:20px 24px;background:var(--blue-light);border-radius:var(--radius-sm);margin-bottom:32px;border-left:4px solid var(--blue);line-height:1.8}
.article-body h2{font-size:22px;font-weight:700;color:var(--text-dark);margin:36px 0 16px;padding-bottom:12px;border-bottom:2px solid var(--blue-light)}
.article-body h3{font-size:18px;font-weight:600;color:var(--text-dark);margin:28px 0 12px}
.article-body p{margin-bottom:18px}
.article-body .article-img{margin:24px 0;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;height:280px}
.article-body .article-img .placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-light);}
.article-body .article-img .placeholder i{font-size:40px}
.article-body .article-img .placeholder span{font-size:13px}
.article-body .article-img img{width:100%;height:100%;object-fit:cover}
.article-body .article-img figcaption{text-align:center;font-size:13px;color:var(--text-light);padding:10px 0 0;display:block;width:100%}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:18px}
.article-body ul li,.article-body ol li{margin-bottom:8px}
.article-body ul li strong,.article-body ol li strong{color:var(--text-dark)}
.article-body blockquote{padding:16px 20px;margin:24px 0;background:var(--bg-gray);border-left:4px solid var(--blue);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:normal;color:var(--text-mid)}
.article-body .summary-box{padding:20px 24px;background:linear-gradient(135deg,#FFF8F0,#FFF3E6);border-radius:var(--radius-sm);border-left:4px solid var(--orange);margin:28px 0}
.article-body .summary-box p{margin-bottom:0;font-size:15px}
.article-body .summary-box strong{color:var(--orange-dark)}

/* ===== 文章底部功能区 ===== */
.article-footer{padding:0 44px 40px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border-light)}
.article-tags a{display:inline-block;padding:5px 14px;border-radius:50px;font-size:13px;color:var(--text-mid);background:var(--bg-gray);text-decoration:none;transition:all .2s;border:1px solid var(--border-light)}
.article-tags a:hover{background:var(--blue-light);color:var(--blue);border-color:var(--blue)}
.article-nav{display:flex;justify-content:space-between;gap:20px;margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border-light)}
.article-nav a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-mid);font-size:14px;transition:color .2s;max-width:45%}
.article-nav a:hover{color:var(--blue)}
.article-nav .nav-prev{text-align:left}
.article-nav .nav-next{text-align:right;justify-content:flex-end}
.article-nav .nav-dir{font-size:12px;color:var(--text-light);display:block;margin-bottom:2px}
.article-nav .nav-title{font-weight:500;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.related-title{font-size:18px;font-weight:600;color:var(--text-dark);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.related-title i{color:var(--blue)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.related-card{border-radius:var(--radius-sm);border:1px solid var(--border-light);overflow:hidden;transition:all .3s;text-decoration:none;display:block}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.related-card .r-thumb{height:120px;background:var(--blue-light);display:flex;align-items:center;justify-content:center}
.related-card .r-thumb .placeholder{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--blue);}
.related-card .r-thumb .placeholder i{font-size:28px}
.related-card .r-thumb .placeholder span{font-size:11px}
.related-card .r-body{padding:12px 14px}
.related-card .r-body h4{font-size:14px;font-weight:500;color:var(--text-dark);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}
.related-card .r-body .r-meta{font-size:12px;color:var(--text-light)}
.article-disclaimer{padding:20px 24px;background:var(--bg-gray);border-radius:var(--radius-sm);border:1px solid var(--border-light)}
.article-disclaimer p{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:0;padding-left:20px;position:relative}
.article-disclaimer p::before{content:'*';position:absolute;left:0;top:0;color:var(--orange);font-weight:700}

/* ===== 侧边栏 ===== */
.article-sidebar{width:340px;flex-shrink:0;position:sticky;top:92px}
.sidebar-widget{background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border-light);padding:24px;margin-bottom:20px}
.sidebar-widget .sw-title{font-size:16px;font-weight:600;color:var(--text-dark);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:8px}
.sidebar-widget .sw-title i{color:var(--blue);font-size:15px}

/* 热门资讯 */
.hot-list{list-style:none}
.hot-list li{padding:12px 0;border-bottom:1px solid var(--border-light);display:flex;gap:12px;align-items:flex-start}
.hot-list li:first-child{padding-top:0}
.hot-list li:last-child{border-bottom:none;padding-bottom:0}
.hot-list .num{width:22px;height:22px;border-radius:6px;background:var(--bg-gray);color:var(--text-light);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.hot-list li:nth-child(-n+3) .num{background:var(--blue);color:#fff}
.hot-list .hot-title{font-size:14px;color:var(--text-dark);text-decoration:none;line-height:1.5;transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list .hot-title:hover{color:var(--blue)}
.hot-list .hot-meta{font-size:12px;color:var(--text-light);margin-top:4px}

/* 预约表单 */
.appt-form{display:flex;flex-direction:column;gap:12px}
.appt-form .af-group{display:flex;flex-direction:column;gap:4px}
.appt-form .af-group label{font-size:13px;color:var(--text-mid);font-weight:500}
.appt-form .af-group input,.appt-form .af-group select{padding:10px 14px;border:1px solid var(--border-light);border-radius:var(--radius-sm);font-size:14px;font-family:var(--font-cn);color:var(--text-dark);outline:none;transition:border .2s;background:var(--white)}
.appt-form .af-group input:focus,.appt-form .af-group select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,119,255,0.08)}
.appt-form .af-group select{appearance:auto;cursor:pointer}
.appt-form .btn-submit{background:var(--orange);color:#fff;border:none;padding:12px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;font-family:var(--font-cn)}
.appt-form .btn-submit:hover{background:var(--orange-dark);box-shadow:0 4px 12px rgba(255,125,52,0.3)}
.contact-info p{font-size:14px;color:var(--text-mid);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.contact-info p i{width:18px;color:var(--blue);font-size:14px;text-align:center}
.contact-info .ci-phone{font-size:20px;font-weight:700;color:#E53935;display:block;margin-bottom:6px}

/* ===== 移动端悬浮按钮 ===== */
.mobile-float{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(255,255,255,0.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--border-light);padding:10px 16px;gap:10px}
.mobile-float a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:11px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;text-decoration:none;font-family:var(--font-cn)}
.mobile-float .mf-tel{background:var(--blue);color:#fff}
.mobile-float .mf-appt{background:var(--orange);color:#fff}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .article-sidebar{width:300px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .article-layout{flex-direction:column}
  .article-header{padding:24px 20px 0}
  .article-header h1{font-size:22px}
  .article-header .article-cover{height:200px}
  .article-body{padding:24px 20px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .article-body .article-img{height:200px}
  .article-footer{padding:0 20px 28px}
  .article-nav{flex-direction:column;gap:12px}
  .article-nav a{max-width:100%}
  .related-grid{grid-template-columns:1fr}
  .article-sidebar{display:none}
  .mobile-float{display:flex}
}
@media(max-width:480px){
  .article-header h1{font-size:20px}
  .article-body{font-size:15px}
  .article-body .lead{font-size:15px;padding:14px 16px}
}