/* ==========================================================================
   Catalog Taxonomy Page — 独立样式
   模板: taxonomy-catalog.php
   ========================================================================== */

/* --- 面包屑 --- */
.page-top-bar{background:#f8fafc;border-bottom:1px solid #e2e8f0;padding:12px 0}
.page-top-inner{max-width:1280px;margin:0 auto;padding:0 24px}
.breadcrumb{list-style:none;margin:0;padding:0;display:flex;gap:8px;font-size:13px;color:#64748b}
.breadcrumb a{color:#2563eb;text-decoration:none}
.breadcrumb .active{color:#334155}
.breadcrumb li+li:before{content:'/';margin-right:8px;color:#cbd5e1}

/* --- 整体布局 --- */
.catalog-layout{padding:32px 0 64px;background:#fff}
.catalog-container{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;gap:32px;align-items:flex-start}

/* ==========================================================================
   左侧栏
   ========================================================================== */
.catalog-sidebar{width:300px;flex-shrink:0;position:sticky;top:100px;max-height:calc(100vh - 120px);overflow-y:auto}

.sidebar-widget{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:20px;margin-bottom:20px}
.widget-title{font-size:15px;font-weight:700;color:#0f172a;margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid #2563eb;display:inline-block}

/* 分类导航 */
.cat-nav{list-style:none;margin:0;padding:0}
.cat-nav li{margin-bottom:4px}
.cat-nav li a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;color:#475569;text-decoration:none;border-radius:6px;font-size:14px;transition:all .15s}
.cat-nav li a:hover{background:#e0e7ff;color:#1e40af}
.cat-nav li.active a{background:#2563eb;color:#fff;font-weight:600}
.cat-nav li.active a .cat-count{background:rgba(255,255,255,.25);color:#fff}
.cat-count{background:#e2e8f0;color:#64748b;font-size:12px;padding:2px 8px;border-radius:10px;font-weight:500}

/* 热门产品 */
.hot-products{list-style:none;margin:0;padding:0}
.hot-products li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed #e2e8f0}
.hot-products li:last-child{margin-bottom:0;padding-bottom:0;border:none}
.hot-products li a{display:flex;gap:10px;text-decoration:none;color:#334155}
.hot-thumb{width:60px;height:60px;flex-shrink:0;border-radius:6px;overflow:hidden;background:#f1f5f9}
.hot-thumb img{width:100%;height:100%;object-fit:cover}
.hot-title{font-size:13px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-products li a:hover .hot-title{color:#2563eb}

/* CTA */
.cta-widget{background:linear-gradient(135deg,#1e40af,#2563eb);border:none;color:#fff}
.cta-widget .widget-title{color:#fff;border-color:rgba(255,255,255,.3)}
.cta-text{font-size:13px;line-height:1.6;margin:0 0 14px;opacity:.9}
.btn-cta-whatsapp,.btn-cta-email{display:block;width:100%;text-align:center;padding:10px;margin-bottom:8px;border-radius:6px;font-size:13px;font-weight:600;text-decoration:none;transition:all .15s}
.btn-cta-whatsapp{background:#25d366;color:#fff}
.btn-cta-whatsapp:hover{background:#22bf5d}
.btn-cta-email{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-cta-email:hover{background:rgba(255,255,255,.25)}

/* FAQ 快速入口 */
.faq-quick-link{color:#2563eb;text-decoration:none;font-size:13px;font-weight:500}
.faq-quick-link:hover{text-decoration:underline}

/* ==========================================================================
   右侧主内容
   ========================================================================== */
.catalog-main{flex:1;min-width:0}

/* --- Hero --- */
.catalog-hero{background:linear-gradient(135deg,#f0f7ff 0%,#e8f0fe 100%);border-radius:14px;padding:40px;margin-bottom:32px}
.hero-container{display:flex;gap:40px;align-items:center}
.hero-text-wrap{flex:1;min-width:0}
.catalog-h1{font-size:36px;font-weight:800;color:#0f172a;margin:0 0 14px;line-height:1.25}
.catalog-h1 .highlight{color:#2563eb}
.catalog-subtitle{font-size:16px;color:#475569;margin-bottom:20px;line-height:1.6}
.hero-points{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:#334155}
.point-icon{width:22px;height:22px;background:#2563eb;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn-quote{background:#2563eb;color:#fff;border:none;padding:12px 28px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s}
.btn-quote:hover{background:#1d4ed8;transform:translateY(-1px)}
.btn-whatsapp{display:inline-flex;align-items:center;gap:6px;background:#25d366;color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:all .15s}
.btn-whatsapp:hover{background:#22bf5d}
.hero-img-wrap{width:380px;flex-shrink:0}
.hero-img-wrap img{width:100%;border-radius:12px;box-shadow:0 10px 30px rgba(37,99,235,.2)}

/* --- 锚导航 --- */
.anchor-nav-wrap{margin-bottom:32px}
.anchor-nav{display:flex;gap:4px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:6px;width:fit-content}
.nav-item{padding:10px 20px;border-radius:7px;font-size:14px;font-weight:500;color:#64748b;text-decoration:none;transition:all .15s;display:flex;align-items:center;gap:6px}
.nav-item:hover{color:#2563eb;background:#e0e7ff}
.nav-item.active{background:#2563eb;color:#fff}

/* --- 产品网格 --- */
.product-section{margin-bottom:40px}
.product-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:20px}
.product-head h2{font-size:22px;font-weight:700;color:#0f172a;margin:0}
.prod-count{font-size:13px;color:#64748b}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{background:#fff;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden;transition:all .2s}
.product-card:hover{border-color:#2563eb;box-shadow:0 8px 24px rgba(37,99,235,.12);transform:translateY(-2px)}
.product-card a{text-decoration:none;color:inherit;display:block}
.prod-thumb{aspect-ratio:4/3;overflow:hidden;background:#f1f5f9}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.product-card:hover .prod-thumb img{transform:scale(1.05)}
.prod-info{padding:14px 16px}
.prod-info h3{font-size:14px;font-weight:600;color:#0f172a;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.no-products{grid-column:1/-1;text-align:center;padding:60px;color:#94a3b8;font-size:15px;background:#f8fafc;border-radius:10px}

/* --- Buying Guide --- */
.catalog-guide{background:#f8fafc;border-radius:14px;padding:40px;margin-bottom:40px;border:1px solid #e2e8f0}
.guide-wrap{display:flex;gap:40px;align-items:center}
.guide-left{width:45%;flex-shrink:0}
.guide-left img{width:100%;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.guide-right{flex:1}
.guide-title{font-size:26px;font-weight:700;color:#0f172a;margin:0 0 14px}
.guide-subtitle{font-size:15px;color:#475569;margin-bottom:18px;line-height:1.6}
.guide-list{list-style:none;margin:0 0 24px;padding:0}
.guide-list li{padding:8px 0 8px 28px;position:relative;font-size:14px;color:#334155}
.guide-list li:before{content:'✓';position:absolute;left:0;width:20px;height:20px;background:#25d366;color:#fff;border-radius:50%;font-size:11px;display:flex;align-items:center;justify-content:center;top:8px}
.guide-btn{display:inline-block;background:#2563eb;color:#fff;padding:12px 28px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:all .15s}
.guide-btn:hover{background:#1d4ed8}

/* --- FAQ --- */
.faq-wrap{margin-bottom:20px}
.faq-grid{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.faq-left h2{font-size:32px;font-weight:800;color:#0f172a;margin:0 0 6px}
.faq-left p{font-size:14px;color:#64748b;margin:0}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden}
.faq-item summary{padding:16px 20px;cursor:pointer;font-weight:600;color:#0f172a;font-size:14px;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:background .15s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:'+';font-size:20px;font-weight:400;color:#2563eb;flex-shrink:0;margin-left:14px}
.faq-item[open] summary{background:#f0f7ff;color:#1d4ed8;border-bottom:1px solid #e2e8f0}
.faq-item[open] summary:after{content:'−'}
.faq-content{padding:16px 20px;font-size:14px;color:#475569;line-height:1.7}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
    .catalog-container{flex-direction:column}
    .catalog-sidebar{width:100%;position:sticky;top:80px;max-height:none;display:flex;gap:16px;overflow-x:auto;padding-bottom:4px}
    .catalog-sidebar .sidebar-widget{flex-shrink:0;margin-bottom:0;min-width:240px}
    .cat-nav{display:flex;flex-wrap:wrap;gap:6px}
    .cat-nav li{margin:0}
    .cat-nav li a{padding:6px 12px;font-size:13px}
    .hot-products{display:flex;gap:12px}
    .hot-products li{margin:0;padding:0;border:none;flex-shrink:0;width:180px}
    .hero-points{grid-template-columns:1fr}
    .product-grid{grid-template-columns:repeat(2,1fr)}
    .faq-grid{grid-template-columns:1fr}
    .faq-left{text-align:center}
    .guide-wrap{flex-direction:column}
    .guide-left{width:100%}
}

@media (max-width: 640px) {
    .catalog-sidebar{flex-direction:column;gap:12px;position:static}
    .catalog-sidebar .sidebar-widget{min-width:0}
    .catalog-hero{padding:24px}
    .hero-container{flex-direction:column}
    .hero-img-wrap{width:100%}
    .catalog-h1{font-size:26px}
    .product-grid{grid-template-columns:1fr}
    .catalog-guide{padding:24px}
    .hero-points{grid-template-columns:1fr}
    .anchor-nav{width:100%;overflow-x:auto}
}