/* ========================================
   共用基础样式 - news 和 tag-products-
   ======================================== */
.tag-news-page,.tag-products-page{background-color:#fafbfc;padding:60px 0;min-height:calc(100vh - 100px)}
.tag-news-page .container,.tag-products-page .container{max-width:1600px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:320px 1fr;gap:3rem}
.tag-sidebar{position:sticky;top:120px;height:fit-content}
.tag-main{min-width:0;background-color:var(--white);border-radius:12px;padding:3rem;box-shadow:0 2px 16px rgba(0,0,0,0.08)}
.sidebar-title{color:var(--primary);font-size:1.4rem;font-weight:700;margin-bottom:1.5rem;position:relative;padding-bottom:0.5rem}
.sidebar-title:after{content:'';position:absolute;bottom:0;left:0;width:50px;height:3px;background-color:var(--secondary)}
.sidebar-products,.sidebar-contact,.sidebar-section{background-color:var(--white);border-radius:12px;padding:1.8rem;margin-bottom:2rem;box-shadow:0 2px 12px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.05);transition:var(--transition)}
.sidebar-products:hover,.sidebar-contact:hover,.sidebar-section:hover{box-shadow:0 4px 20px rgba(0,0,0,0.12)}
.sidebar-menu .nav-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:0.25rem}
.sidebar-menu .nav-list > li{display:block;width:100%;margin-left:unset}
.sidebar-menu .nav-list > li:hover{background-color:rgba(42,92,139,0.05);border-radius:8px}
.sidebar-menu .nav-list > li > a{display:block;padding:0.85rem;color:var(--primary);text-decoration:none;font-weight:500;border-radius:8px;transition:var(--transition);border-left:3px solid transparent;position:relative}
.sidebar-menu .nav-list > li:hover > a{color:var(--secondary)}
.sidebar-menu .submenu{list-style:none;padding:0.5rem 0 0.5rem 1.5rem;margin:0.25rem 0 0 0;border-left:2px solid rgba(42,92,139,0.1)}
.sidebar-menu .submenu li{margin-bottom:0.25rem}
.sidebar-menu .submenu li:last-child{margin-bottom:0}
.sidebar-menu .submenu a{display:block;padding:0.6rem 0.9rem;font-size:0.9rem;font-weight:400;color:var(--primary);text-decoration:none;border-radius:6px;transition:var(--transition);position:relative}
.sidebar-menu .submenu a:hover{background-color:rgba(230,126,34,0.08);color:var(--secondary);padding-left:1.15rem}
.sidebar-menu .submenu a:hover::before{content:'→';position:absolute;left:0.5rem;color:var(--secondary);font-size:0.8rem}
.sidebar-menu p{color:var(--gray);font-size:0.9rem;font-style:italic;text-align:center;padding:1rem;margin:0}
.sidebar-menu .nav-list > li.active{background-color:rgba(42,92,139,0.1);border-radius:8px}
.sidebar-menu .nav-list > li.active > a{color:var(--secondary);font-weight:600}
.sidebar-menu .submenu li.active{background-color:rgba(42,92,139,0.08)}
.sidebar-menu .submenu li.active a{color:var(--secondary);font-weight:500}
.sidebar-contact ol{list-style:none;padding:0;margin:1rem 0}
.sidebar-contact li{display:flex;align-items:center;gap:0.75rem;padding:0.75rem 0;border-bottom:1px solid #f0f0f0;cursor:pointer;transition:var(--transition);color:var(--primary);font-weight:500}
.sidebar-contact li:hover{color:var(--secondary);padding-left:0.5rem}
.sidebar-contact li i{font-size:1.2rem;color:var(--secondary);flex-shrink:0}
.sidebar-contact li:last-child{border-bottom:none}
.sidebar-contact .message{background-color:var(--secondary);color:var(--white);padding:1rem 1.5rem;border-radius:8px;text-align:center;font-weight:600;cursor:pointer;transition:var(--transition);margin-top:1.5rem;display:flex;align-items:center;justify-content:center;gap:0.5rem}
.sidebar-contact .message:hover{background-color:#d35400;transform:translateY(-2px);box-shadow:0 8px 20px rgba(230,126,34,0.3)}
.sidebar-contact .message i{color:var(--white)}
.breadcrumb{background:linear-gradient(135deg,#f8f9fa 0%,#ffffff 100%);padding-top:calc(100px + 1.5rem);padding-bottom:1.5rem;padding-left:0;padding-right:0;margin:0;border-bottom:1px solid rgba(42,92,139,0.1);box-shadow:0 2px 8px rgba(0,0,0,0.03)}
.breadcrumb-container{max-width:1600px;margin:0 auto;padding:0 20px}
.breadcrumb-list{display:flex;align-items:center;gap:0.5rem;font-size:0.9rem;color:var(--gray);flex-wrap:wrap;list-style:none;margin:0;padding:0}
.breadcrumb-item{display:flex;align-items:center;gap:0.5rem}
.breadcrumb-item a{color:var(--primary);text-decoration:none;transition:var(--transition);font-weight:500;padding:0.3rem 0.5rem;border-radius:4px}
.breadcrumb-item a:hover{color:var(--secondary);background-color:rgba(230,126,34,0.08)}
.breadcrumb-item a i{font-size:0.85rem}
.breadcrumb-separator{color:#bbb;font-size:0.75rem;font-weight:600}
.breadcrumb-item:last-child span:last-child{color:var(--secondary);font-weight:600;padding:0.3rem 0.5rem;background-color:rgba(230,126,34,0.1);border-radius:4px}
.breadcrumb-schema{display:none}
.main-content{padding-top:0}
.posts-title{font-size:2.5rem;color:var(--primary);margin-bottom:1rem;font-weight:700;text-align:center}
.posts-description{font-size:1.1rem;color:var(--gray);line-height:1.6;max-width:600px;margin:0 auto;text-align:center}
.posts-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1.5rem}
.post-item{display:flex;gap:1rem;padding:1.5rem;background-color:#f8f9fa;border-radius:8px;text-decoration:none;transition:var(--transition);border:1px solid #f0f0f0}
.post-item:hover{background-color:#fff;border-color:var(--primary);transform:translateX(3px);box-shadow:0 4px 12px rgba(0,0,0,0.08)}
.post-thumb{flex-shrink:0;width:160px;height:120px;border-radius:6px;overflow:hidden;background-color:#e9ecef}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.post-item:hover .post-thumb img{transform:scale(1.02)}
.post-info{flex:1;display:flex;flex-direction:column;gap:0.4rem}
.post-title{font-size:1.2rem;color:var(--primary);margin:0;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:left}
.post-item:hover .post-title{color:var(--secondary)}
.post-excerpt{font-size:0.9rem;color:var(--gray);line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:0.8rem;font-size:0.85rem;color:var(--gray);margin-top:0.3rem}
.post-meta-item{display:flex;align-items:center;gap:0.25rem}
.post-meta-item i{color:var(--secondary);font-size:0.8rem}
.post-meta-item a{color:var(--gray);text-decoration:none}
.post-meta-item a:hover{color:var(--secondary)}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin:2rem 0}
.products-grid a{text-decoration: none;}
.product-item{background-color:#ffffff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.08);transition:all 0.3s ease;border:1px solid #f0f0f0;cursor:pointer;display:flex;flex-direction:column}
.product-item:hover{transform:translateY(-8px);box-shadow:0 12px 28px rgba(0,0,0,0.15);border-color:#e0e0e0}
.product-thumbnail{width:100%;height:280px;overflow:hidden;background:#ffffff;display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid #f5f5f5}
.product-thumbnail img{width:100%;height:100%;object-fit:cover;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);position:relative;z-index:2}
.product-item:hover .product-thumbnail img{transform:scale(1.08)}
.product-title{padding:1.5rem;background-color:#ffffff;display:flex;align-items:center;justify-content:center;min-height:90px;flex:1}
.product-title p{color:var(--primary);font-size:1.05rem;font-weight:600;line-height:1.5;margin:0;text-align:center;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 0.3s ease}
.product-item:hover .product-title p{color:var(--secondary)}
@media (max-width:1200px){.tag-news-page .container,.tag-products-page .container{max-width:1200px;grid-template-columns:300px 1fr;gap:2.5rem}
.products-grid{grid-template-columns:repeat(2,1fr);gap:1.8rem}
.product-thumbnail{height:300px}
}@media (max-width:1024px){.tag-news-page .container,.tag-products-page .container{max-width:1000px;grid-template-columns:280px 1fr;gap:2rem}
.post-thumb{width:180px;height:135px}
.products-grid{grid-template-columns:repeat(2,1fr);gap:1.8rem}
.product-thumbnail{height:280px}
}@media (max-width:768px){.breadcrumb{padding-top:calc(70px + 1.2rem);padding-bottom:1.2rem}
.tag-news-page,.tag-products-page{padding:40px 0;background-color:var(--white)}
.tag-main{padding:2rem 1.5rem;box-shadow:none;border-radius:0}
.tag-news-page .container,.tag-products-page .container{grid-template-columns:1fr;gap:2rem;padding:0 15px}
.breadcrumb-container{padding:0 15px}
.tag-sidebar{position:static;top:auto;order:2;display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.sidebar-products,.sidebar-contact,.sidebar-section{margin-bottom:0}
.tag-main{order:1}
.post-item{gap:1rem;padding:1.5rem}
.post-thumb{width:120px;height:90px}
.post-title{font-size:1.2rem}
.post-excerpt{font-size:0.95rem}
.products-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}
.product-thumbnail{height:260px}
.product-title{padding:1.25rem;min-height:80px}
.product-title p{font-size:1rem}
}@media (max-width:576px){.breadcrumb{padding-top:calc(60px + 1rem);padding-bottom:1rem}
.breadcrumb-list{font-size:0.85rem}
.breadcrumb-item a,.breadcrumb-item:last-child span:last-child{padding:0.25rem 0.4rem;font-size:0.85rem}
.tag-news-page,.tag-products-page{padding:30px 0}
.tag-main{padding:1.5rem 1rem}
.tag-news-page .container,.tag-products-page .container{padding:0 12px}
.breadcrumb-container{padding:0 12px}
.tag-sidebar{grid-template-columns:1fr;gap:1.5rem}
.sidebar-products,.sidebar-contact,.sidebar-section{padding:1.5rem}
.sidebar-contact .message{padding:0.8rem 1rem;font-size:0.95rem}
.sidebar-contact li{padding:0.5rem 0;font-size:0.9rem}
.post-item{gap:0.75rem;padding:1rem}
.post-thumb{width:80px;height:60px}
.post-title{font-size:1.1rem}
.post-excerpt{font-size:0.9rem;-webkit-line-clamp:2}
.products-grid{grid-template-columns:1fr;gap:1.5rem}
.product-thumbnail{height:280px}
.product-title{padding:1.25rem;min-height:75px}
.product-title p{font-size:0.95rem}
}@media (max-width:400px){.posts-title{font-size:1.8rem}
.post-title{font-size:1rem}
.post-meta{font-size:0.85rem}
.product-title p{font-size:0.9rem}
.product-thumbnail{height:260px}
}