/*********************************************产品列表*********************************************/
/* ======================================== Page Header - 与scientistboard.html hero一致 ======================================== */
.page-header { align-items: center; background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%); display: flex; justify-content: center; min-height: 50vh; overflow: hidden; position: relative; }
.page-header::before { background-image: radial-gradient(circle at 20% 50%, rgba(54, 105, 239, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(90, 140, 247, 0.2) 0%, transparent 50%); content: ""; inset: 0; position: absolute; }
.page-header-overlay { background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4) 60%, transparent); inset: 0; position: absolute; }
.page-header-content { margin: 0 auto; max-width: 1280px; padding: 140px 24px 80px; position: relative; text-align: center; width: 100%; z-index: 2; }
.page-title { animation: slideUp 0.8s ease-out 0.4s both; color: var(--brand-white); font-size: clamp(36px, 6vw, 56px); font-weight: 700; line-height: 1.2; margin-bottom: 16px; }
.page-subtitle { animation: slideUp 0.8s ease-out 0.5s both; color: rgba(255, 255, 255, 0.8); font-size: clamp(18px, 3vw, 24px); font-weight: 300; }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
/* ======================================== Filter Section ======================================== */
.filters-section { background: var(--brand-white); border-bottom: 1px solid var(--brand-gray3); padding: 75px 0 0 0; }
.filters-container { display: flex; flex-direction: column; gap: 20px; }
.filter-group { display: flex; flex-direction: column; gap: 12px; }
.filter-label { align-items: center; color: var(--brand-black); display: flex; font-size: 13px; font-weight: 600; gap: 8px; letter-spacing: 0.05em; }
.filter-label svg { color: var(--brand-blue); }
.filter-options { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-btn { background: var(--brand-gray2); border: 2px solid transparent; border-radius: 24px; color: var(--brand-gray1); font-size: 14px; font-weight: 500; padding: 10px 20px; transition: all var(--transition-normal); }
.filter-btn:hover { background: rgba(54, 105, 239, 0.1); color: var(--brand-blue); }
.filter-btn.active { background: var(--brand-blue); border-color: var(--brand-blue); color: var(--brand-white); }
/* ======================================== Products Section ======================================== */
.products-section { background: var(--brand-white); padding: 60px 0 100px; }
.products-grid { display: grid; gap: 32px; grid-template-columns: repeat(3, 1fr); }
.goods-card { background: var(--brand-white); border: 1px solid var(--brand-gray3); border-radius: 20px; box-shadow: var(--shadow-md); display: block; overflow: hidden; transition: all var(--transition-slow); }
.goods-card:hover { border-color: transparent; box-shadow: var(--shadow-xl); transform: translateY(-8px); }
.goods-image { aspect-ratio: 1; background: var(--brand-gray2); overflow: hidden; position: relative; }
.goods-image img { height: 100%; object-fit: cover; transition: transform var(--transition-slow); width: 100%; }
.goods-card:hover .goods-image img { transform: scale(1.08); }
.goods-badge { background: var(--brand-blue); border-radius: 20px; color: var(--brand-white); font-size: 12px; font-weight: 600; left: 16px; padding: 6px 12px; position: absolute; top: 16px; }
.goods-content { padding: 24px; }
.goods-name { -webkit-box-orient: vertical; color: var(--brand-black); display: -webkit-box; font-size: 18px; font-weight: 600; -webkit-line-clamp: 2; line-height: 1.4; margin-bottom: 12px; overflow: hidden; }
.goods-description { -webkit-box-orient: vertical; color: var(--brand-gray1); display: -webkit-box; font-size: 14px; -webkit-line-clamp: 3; line-height: 1.7; margin-bottom: 20px; overflow: hidden; }
.goods-footer { align-items: center; border-top: 1px solid var(--brand-gray2); display: flex; justify-content: space-between; padding-top: 16px; }
.goods-price { color: var(--brand-blue); font-size: 24px; font-weight: 700; }
.goods-price span { color: var(--brand-gray1); font-size: 14px; font-weight: 400; }
.goods-arrow { align-items: center; background: var(--brand-gray2); border-radius: 50%; color: var(--brand-gray1); display: flex; height: 40px; justify-content: center; transition: all var(--transition-normal); width: 40px; }
.goods-card:hover .goods-arrow { background: var(--brand-blue); color: var(--brand-white); transform: translateX(4px); }
/* ======================================== Pagination ======================================== */
.pagination { align-items: center; display: flex; gap: 8px; justify-content: center; margin-top: 60px; }
.page-btn { background: var(--brand-white); border: 1px solid var(--brand-gray3); border-radius: 12px; color: var(--brand-gray1); font-size: 14px; font-weight: 500; height: 44px; min-width: 44px; padding: 10px 16px; transition: all var(--transition-normal); }
.page-btn:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.page-btn.active { background: var(--brand-blue); border-color: var(--brand-blue); color: var(--brand-white); }
/* ======================================== 产品列表 Responsive Design ======================================== */
@media (max-width: 1024px) {
    .products-grid { gap: 24px; grid-template-columns: repeat(2, 1fr); }
    .breadcrumb-section {padding: 80px 0 15px;}
    .products-section {padding: 60px 0 100px;}
}
@media (max-width: 640px) {
    .page-header { height: 7vh; }
    .page-header-content { padding: 120px 24px 60px; }
    .filter-options { gap: 8px; }
    .filter-btn { font-size: 13px; padding: 8px 16px; }
    .products-grid { gap: 20px; grid-template-columns: 1fr; }
    .product-content { padding: 20px; }
    .product-name { font-size: 16px; }
    .product-price { font-size: 20px; }
    .pagination { flex-wrap: wrap; }
    .products-section {padding: 20px 0 50px;}
}

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); transition: all var(--transition-slow); }
.navbar.scrolled { padding: 8px 0; background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #ffffff 100%); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; transition: all var(--transition-slow); }
.navbar.scrolled .nav-container { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(12px); border-radius: 50px; padding: 8px 24px; box-shadow: var(--shadow-lg); }