/* ===== 全局重置 & 变量 ===== */
:root {
  --primary: #1677ff;
  --primary-dark: #0958d9;
  --primary-light: #4096ff;
  --primary-bg: #e6f4ff;
  --accent: #00b96b;
  --accent-bg: #e8faf0;
  --bg: #f0f5ff;
  --bg-card: #ffffff;
  --bg-dark: #0f1923;
  --bg-header: linear-gradient(135deg, #0f1923 0%, #1a2a40 50%, #0d2137 100%);
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --shadow: 0 2px 12px rgba(22, 119, 255, 0.08);
  --shadow-hover: 0 8px 24px rgba(22, 119, 255, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{background:var(--bg-header);padding:14px 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.site-header .container{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.site-logo{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;color:#fff}
.site-logo .logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),#00d4ff);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}
.site-logo a{color:#fff}
.site-logo span{color:rgba(255,255,255,.5);font-size:12px;font-weight:400;margin-left:4px}
.main-nav{display:flex;gap:4px;flex-wrap:wrap;max-height:56px;overflow-y:auto}
.main-nav a{padding:6px 14px;border-radius:8px;font-size:13px;color:rgba(255,255,255,.75);transition:all .2s}
.main-nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.main-nav a.active{background:var(--primary);color:#fff}
.header-search{margin-left:auto;position:relative}
.header-search form{display:flex;gap:0}
.header-search input{width:240px;padding:8px 16px;border:1px solid rgba(255,255,255,.15);border-right:none;border-radius:8px 0 0 8px;outline:none;font-size:13px;background:rgba(255,255,255,.08);color:#fff;transition:all .3s}
.header-search input::placeholder{color:rgba(255,255,255,.4)}
.header-search input:focus{border-color:var(--primary);background:rgba(255,255,255,.12);width:300px}
.header-search button{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:0 8px 8px 0;cursor:pointer;font-size:14px;transition:background .2s}
.header-search button:hover{background:var(--primary-light)}

/* ===== 首页 Hero ===== */
.hero-section{background:linear-gradient(135deg,#0f1923 0%,#1a3050 100%);padding:48px 0 40px;margin-bottom:0;position:relative;overflow:hidden}
.hero-section::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(22,119,255,.15) 0%,transparent 70%);pointer-events:none}
.hero-section::after{content:'';position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(0,212,255,.1) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;text-align:center}
.hero-content h1{font-size:32px;color:#fff;margin-bottom:8px;font-weight:700}
.hero-content p{font-size:16px;color:rgba(255,255,255,.6);margin-bottom:24px}
.hero-search{max-width:560px;margin:0 auto}
.hero-search form{display:flex;gap:0;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.hero-search input{flex:1;padding:14px 20px;border:none;outline:none;font-size:15px;background:#fff}
.hero-search button{padding:14px 32px;background:linear-gradient(135deg,var(--primary),#00d4ff);color:#fff;border:none;cursor:pointer;font-size:15px;font-weight:600;transition:opacity .2s}
.hero-search button:hover{opacity:.9}

/* ===== 广告位 ===== */
.ad-section{margin:20px 0;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#f8f9ff,#e8f0fe);display:flex;align-items:center;justify-content:center;text-align:center}
.ad-section.hero-ad{min-height:200px;background:linear-gradient(135deg,#1a3050,#0f1923);margin:0;border-radius:0;padding:20px 0}
.ad-section.hero-ad .container{min-height:160px}
.ad-section.mid-ad{min-height:100px}
.ad-section.sidebar-ad{min-height:200px;width:100%}
.ad-section img{width:100%;height:auto;border-radius:var(--radius-sm)}
.ad-banner{display:block}
.ad-banner img{width:100%;border-radius:var(--radius)}

/* ===== 分类导航（卡片式） ===== */
.search-hero{background:linear-gradient(145deg, #f0f5ff 0%, #e8f0fe 50%, #dce8f8 100%);padding:48px 0 40px;border-bottom:1px solid rgba(22,119,255,.1)}
.search-hero-content{text-align:center;max-width:700px;margin:0 auto}
.search-hero-content h2{font-size:22px;font-weight:700;color:var(--text);margin-bottom:6px}
.search-hero-content p{font-size:14px;color:var(--text-light);margin-bottom:24px}
.home-search{width:100%;position:relative}
.home-search form{display:flex;gap:0;border-radius:48px;overflow:hidden;box-shadow:0 6px 28px rgba(22,119,255,.15);transition:box-shadow .3s,transform .2s}
.home-search form:focus-within{box-shadow:0 8px 36px rgba(22,119,255,.25);transform:translateY(-1px)}
.home-search input{flex:1;padding:16px 24px;border:2px solid transparent;border-right:none;border-radius:48px 0 0 48px;outline:none;font-size:16px;color:var(--text);background:#fff;transition:border-color .3s}
.home-search input:focus{border-color:var(--primary)}
.home-search input::placeholder{color:#b5c0d0;font-size:15px}
.home-search button{padding:16px 36px;background:linear-gradient(135deg,var(--primary),#4f9bff);color:#fff;border:none;border-radius:0 48px 48px 0;cursor:pointer;font-size:16px;font-weight:600;transition:opacity .2s;white-space:nowrap}
.home-search button:hover{opacity:.92}
.search-tags{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;flex-wrap:wrap}
.search-tags span{font-size:13px;color:var(--text-light)}
.search-tags a{font-size:13px;padding:5px 14px;border-radius:20px;background:rgba(255,255,255,.7);color:var(--text-secondary);transition:all .2s;border:1px solid rgba(22,119,255,.1)}
.search-tags a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:24px 0}
.cat-card{background:#fff;border-radius:var(--radius);padding:20px 12px;text-align:center;box-shadow:var(--shadow);transition:all .3s;border:1px solid transparent;cursor:pointer;display:block}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-bg)}
.cat-card .cat-icon{font-size:32px;margin-bottom:8px;display:block}
.cat-card .cat-name{font-size:14px;font-weight:600;color:var(--text)}
.cat-card .cat-count{font-size:12px;color:var(--text-light);margin-top:2px}

/* ===== 页面标题区 ===== */
.page-header{padding:28px 0 12px}
.page-header h1{font-size:26px;font-weight:700;color:var(--text)}
.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}

/* ===== Section ===== */
.section{margin:28px 0}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-header h2{font-size:20px;font-weight:700;display:flex;align-items:center;gap:8px}
.section-header h2 .section-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}
.section-header .section-more{font-size:13px;color:var(--text-light)}
.section-header .section-more:hover{color:var(--primary)}

/* ===== Goods Grid ===== */
.goods-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.goods-card{display:flex;flex-direction:column;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s;border:1px solid transparent}
.goods-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-bg)}
.goods-card .card-img{height:160px;overflow:hidden;background:linear-gradient(135deg,#f0f5ff,#e6f0ff);display:flex;align-items:center;justify-content:center;position:relative}
.goods-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.goods-card:hover .card-img img{transform:scale(1.05)}
.goods-card .card-badge{position:absolute;top:8px;left:8px;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px}
.goods-card .card-body{padding:14px;flex:1;display:flex;flex-direction:column}
.goods-card .card-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.4}
.goods-card .card-desc{font-size:12px;color:var(--text-light);line-height:1.5;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;flex:1}
.goods-card .card-meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:auto;padding-top:8px;border-top:1px solid var(--border)}
.goods-card .card-meta .tag{font-size:11px;padding:2px 8px;border-radius:4px;background:var(--primary-bg);color:var(--primary)}
.goods-card .card-meta .tag-type{background:var(--accent-bg);color:var(--accent)}
.goods-card .card-meta .meta-text{font-size:11px;color:var(--text-light);display:flex;align-items:center;gap:3px}

/* ===== Breadcrumb ===== */
.breadcrumb{display:flex;align-items:center;gap:8px;padding:16px 0;font-size:13px;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#d0d5dd}
.breadcrumb .current{color:var(--text);font-weight:500;max-width:400px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Detail Page ===== */
.detail-page{padding:0 0 40px}
.detail-main-layout{display:flex;gap:24px;align-items:flex-start}
.detail-main-col{flex:1;min-width:0}
.detail-side-col{width:300px;flex-shrink:0}

/* Detail Top Area: Image + Info */
.detail-top{display:flex;gap:24px;margin-bottom:24px}
.detail-image-col{width:380px;flex-shrink:0}
.detail-image{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);padding:16px;text-align:center}
.detail-image img{max-width:100%;max-height:340px;object-fit:contain}
.detail-info-col{flex:1;min-width:0}
.detail-info{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);height:100%}
.detail-info h1{font-size:20px;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:16px}
.detail-info .attr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.detail-info .attr-item{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary)}
.detail-info .attr-item .attr-icon{font-size:16px}
.detail-info .attr-item .attr-label{color:var(--text-light);min-width:40px}
.detail-info .attr-item .attr-value{color:var(--text);font-weight:500}
.detail-info .attr-item .attr-value a{color:var(--primary);font-weight:500}

/* Download section in info area */
.dl-info-section{margin-top:16px}
.dl-info-section h3{font-size:15px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.dl-list{display:flex;flex-direction:column;gap:8px}
.dl-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg);border-radius:var(--radius-sm);transition:all .2s;border-left:3px solid var(--primary)}
.dl-item:hover{background:var(--primary-bg);transform:translateX(3px)}
.dl-item .dl-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.dl-item .dl-info{flex:1;min-width:0}
.dl-item .dl-info .dl-name{font-size:13px;font-weight:600;color:var(--text)}
.dl-item .dl-info .dl-pwd{font-size:12px;color:var(--text-light);display:block;margin-top:2px}
.dl-item .dl-btn{font-size:12px;padding:6px 16px;border-radius:6px;color:#fff!important;flex-shrink:0;transition:opacity .2s}
.dl-item .dl-btn:hover{opacity:.85}

/* Detail body (content + ads) */
.detail-body{margin-bottom:20px}
.detail-content-box{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);min-height:200px}
.detail-content-box h2{font-size:18px;font-weight:700;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--border);display:flex;align-items:center;gap:8px}
.detail-content-box .content-body{line-height:1.9;font-size:15px;color:var(--text)}
.detail-content-box .content-body img{max-width:100%;height:auto;margin:16px 0;border-radius:var(--radius-sm);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.detail-content-box .content-body p{margin-bottom:12px}

/* Related section */
.related-section{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}
.related-section h2{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}

/* Sidebar */
.detail-side-col .ad-section{margin-bottom:16px}

/* ===== Category Page ===== */
.category-page{padding-bottom:40px}

/* ===== Footer ===== */
.site-footer{background:var(--bg-header);padding:32px 0 24px;margin-top:40px}
.site-footer .container{display:flex;flex-direction:column;align-items:center;gap:12px}
.site-footer .footer-brand{font-size:18px;font-weight:700;color:#fff}
.site-footer .footer-links{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
.site-footer .footer-links a{color:rgba(255,255,255,.5);font-size:13px;transition:color .2s}
.site-footer .footer-links a:hover{color:var(--primary-light)}
.friend-links{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);width:100%;max-width:600px;text-align:center}
.friend-links span{font-size:12px;color:rgba(255,255,255,.3);display:inline-block;margin-bottom:6px}
.friend-links a{font-size:12px;color:rgba(255,255,255,.4);margin:0 8px;transition:color .2s;display:inline-block}
.friend-links a:hover{color:var(--primary-light)}
.site-footer .footer-icp{font-size:12px;color:rgba(255,255,255,.35)}
.site-footer .footer-icp a{color:rgba(255,255,255,.35);font-size:12px}

/* ===== 关于/免责声明页 ===== */
.page-about-disclaimer{padding:40px 0;min-height:300px}
.page-about-disclaimer .page-content{background:#fff;border-radius:var(--radius);padding:32px 40px;box-shadow:var(--shadow);line-height:1.9;font-size:15px;color:var(--text)}
.page-about-disclaimer .page-content h1{font-size:24px;font-weight:700;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border)}
.page-about-disclaimer .page-content h2{font-size:18px;font-weight:600;margin:20px 0 10px}
.page-about-disclaimer .page-content p{margin-bottom:12px}
@media(max-width:768px){
  .main-nav{max-height:48px}
  .main-nav a{padding:5px 10px;font-size:12px}
}
.site-footer .footer-icp{font-size:12px;color:rgba(255,255,255,.35)}
.site-footer .footer-icp a{color:rgba(255,255,255,.35)}
.site-footer .footer-icp a:hover{color:var(--primary-light)}

/* ===== Pagination ===== */
.pagination{display:flex;gap:6px;justify-content:center;margin:24px 0}
.pagination a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);background:#fff;transition:all .2s}
.pagination a:hover{border-color:var(--primary);color:var(--primary)}
.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.total-info{text-align:center;color:var(--text-light);margin:16px 0;font-size:14px}

/* ===== Empty / Loading / Error ===== */
.loading,.empty,.error{text-align:center;padding:60px 20px;color:var(--text-light)}
.error{color:#ff4d4f}
.empty{font-size:15px}
.empty .empty-icon{font-size:48px;margin-bottom:12px;display:block}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .detail-top{flex-direction:column}
  .detail-image-col{width:100%;max-width:400px;margin:0 auto}
}
@media(max-width:768px){
  .container{padding:0 14px}
  .site-header .container{gap:12px}
  .main-nav{order:3;width:100%;overflow-x:auto;display:flex;gap:2px}
  .main-nav a{white-space:nowrap;padding:6px 12px;font-size:13px}
  .header-search{margin-left:0;width:100%}
  .header-search input{width:100%}.header-search input:focus{width:100%}
  .cat-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .goods-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .goods-card .card-img{height:130px}
  .detail-main-layout{flex-direction:column}
  .detail-side-col{width:100%}
  .detail-info .attr-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:24px}
  .hero-search input{padding:12px 16px;font-size:14px}
  .hero-search button{padding:12px 20px}
  .ad-section.hero-ad{min-height:120px}
}
@media(max-width:768px){
  .search-hero{padding:32px 0 28px}
  .search-hero-content h2{font-size:18px}
  .search-hero-content p{font-size:13px;margin-bottom:16px}
  .home-search input{padding:12px 16px;font-size:15px}
  .home-search button{padding:12px 20px;font-size:15px}
  .search-tags a{font-size:12px;padding:4px 12px}
}
@media(max-width:480px){
  .goods-grid{grid-template-columns:1fr;gap:12px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .search-hero{padding:24px 0 20px}
  .site-logo{font-size:18px}
  .site-logo span{display:none}
}