/* ==========================================================================
 * hnlongfeng.asia 运动护具商城 - v11-sport-tech 风格族(第 11 族,新基准)
 * 设计哲学:深钛灰 + 荧光绿 + 暗黑 = 专业运动科技感(区别于 v9-sport 活力橙)
 * 设计差异化:① 顶部暗黑 hero + 荧光绿 CTA ② 三栏卡片(运动强度等级) 
 *             ③ 满减阶梯进度条 ④ "训练必备" 套装推荐
 * ========================================================================== */

:root{
  --primary:#1A1F2E;           /* 深钛灰 - 暗黑科技 */
  --primary-light:#2A3142;
  --primary-dark:#0F1218;      /* 暗黑 - hero 背景 */
  --accent:#39FF14;            /* 荧光绿 - 高能警示 */
  --accent-light:#A6FF8C;
  --accent-dark:#22B80F;
  --text:#F0F2F5;              /* 浅色文字 */
  --text-light:#9DA3AE;
  --text-dark:#0F1218;         /* 浅色背景上的深色文字 */
  --border:#2A3142;
  --bg:#FFFFFF;
  --bg-dark:#0F1218;
  --bg-secondary:#F5F7FA;
  --bg-soft:#EAEDF1;
  --radius:6px;
  --radius-lg:10px;
  --shadow:0 2px 12px rgba(15,18,24,.1);
  --shadow-dark:0 4px 20px rgba(57,255,20,.15);
  --shadow-lg:0 8px 28px rgba(15,18,24,.2);
  --danger:#FF4D4F;
  --warning:#FAAD14;
  --success:#39FF14;
  --gradient-hero:linear-gradient(135deg,#0F1218 0%,#1A1F2E 50%,#2A3142 100%);
  --gradient-accent:linear-gradient(135deg,#39FF14 0%,#22B80F 100%);
  --gradient-fire:linear-gradient(135deg,#FF4D4F 0%,#FF7875 100%);
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{font-family:'PingFang SC','Microsoft YaHei',-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;color:var(--text-dark);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
img{display:block;max-width:100%}

.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* ===========================================================
 * 顶部公告条(暗黑)
 * =========================================================== */
.topbar{background:var(--bg-dark);color:var(--text-light);font-size:12px;padding:8px 0;border-bottom:1px solid var(--border)}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar .left{color:var(--accent);font-weight:600}
.topbar .left::before{content:"● ";color:var(--accent);font-size:10px;animation:blink 1.5s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}
.topbar .right{display:flex;gap:18px}
.topbar .right a{color:var(--text-light);transition:color .2s}
.topbar .right a:hover{color:var(--accent)}

/* ===========================================================
 * Logo + 导航(暗黑背景)
 * =========================================================== */
.brand{background:linear-gradient(180deg,#1A1F2E 0%,#232938 100%);padding:18px 0;border-bottom:1px solid var(--border)}
.brand .container{display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand .logo-area{display:flex;align-items:center;gap:14px}
.brand .logo{width:48px;height:48px;border-radius:6px;background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:22px;font-weight:900;letter-spacing:-1px;box-shadow:0 0 16px rgba(57,255,20,.4)}
.brand .name{font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px}
.brand .name span{color:var(--accent);font-weight:900}
.brand .slogan{font-size:11px;color:var(--text-light);margin-top:2px;letter-spacing:1px}

.search-box{flex:1;max-width:440px;position:relative}
.search-box input{width:100%;height:42px;border:2px solid var(--border);border-radius:6px;padding:0 16px 0 18px;font-size:13px;outline:none;background:rgba(255,255,255,.08);color:var(--text);transition:.2s}
.search-box input::placeholder{color:var(--text-light)}
.search-box input:focus{border-color:var(--accent);background:rgba(255,255,255,.12)}
.search-box button{position:absolute;right:0;top:0;height:42px;width:80px;background:var(--gradient-accent);color:var(--primary-dark);border-radius:0 6px 6px 0;font-size:13px;font-weight:800;letter-spacing:1px}

.nav-actions{display:flex;gap:14px;align-items:center}
.nav-action{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);transition:.2s;cursor:pointer;font-size:13px;color:var(--text);position:relative;background:rgba(255,255,255,.05)}
.nav-action:hover{background:rgba(57,255,20,.15);color:var(--accent)}
.nav-action .icon{font-size:18px}
.nav-action .badge{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:10px;font-weight:800;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid var(--primary-dark)}

/* ===========================================================
 * 顶部分类 8 宫格(暗黑玻璃质感)
 * =========================================================== */
.cat-tabs{background:rgba(26,31,46,.95);backdrop-filter:blur(10px);padding:14px 0;border-bottom:1px solid var(--border)}
.cat-tabs .container{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}
.cat-tab{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 4px;border-radius:var(--radius);cursor:pointer;transition:.2s;font-size:12px;color:var(--text-light);background:transparent;border:1px solid transparent}
.cat-tab:hover{background:rgba(57,255,20,.1);color:var(--accent);border-color:rgba(57,255,20,.2)}
.cat-tab.active{background:var(--gradient-accent);color:var(--primary-dark);border-color:var(--accent);box-shadow:var(--shadow-dark)}
.cat-tab .ico{font-size:22px;line-height:1}
.cat-tab .lbl{font-weight:600}

/* ===========================================================
 * Hero 区域(差异化 #1:暗黑 + 荧光绿 + 大字 + 装备标签)
 * =========================================================== */
.hero{background:var(--gradient-hero);padding:40px 0 36px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(57,255,20,.15) 0%,transparent 70%);pointer-events:none}
.hero .container{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
.hero-content{color:var(--text)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(57,255,20,.15);color:var(--accent);font-size:12px;font-weight:800;padding:6px 14px;border-radius:14px;border:1px solid rgba(57,255,20,.4);letter-spacing:1px}
.hero-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.hero-content h1{font-size:42px;font-weight:900;line-height:1.15;margin:18px 0 14px;letter-spacing:-1px}
.hero-content h1 span{color:var(--accent);text-shadow:0 0 20px rgba(57,255,20,.5)}
.hero-content h1 small{display:block;font-size:15px;font-weight:400;color:var(--text-light);margin-top:10px;letter-spacing:0}
.hero-stat{display:flex;gap:28px;margin-top:18px;padding:14px 18px;background:rgba(255,255,255,.05);border-radius:var(--radius);border:1px solid var(--border);backdrop-filter:blur(10px)}
.hero-stat .stat-item .stat-num{font-size:22px;font-weight:900;color:var(--accent)}
.hero-stat .stat-item .stat-lbl{font-size:11px;color:var(--text-light);margin-top:2px;letter-spacing:.5px}
.hero-cta{display:flex;gap:10px;margin-top:20px}
.btn-cta{padding:13px 26px;border-radius:var(--radius);font-size:14px;font-weight:800;letter-spacing:1px;cursor:pointer;transition:.2s}
.btn-cta.primary{background:var(--gradient-accent);color:var(--primary-dark);box-shadow:var(--shadow-dark)}
.btn-cta.primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(57,255,20,.35)}
.btn-cta.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}

.hero-side{display:flex;flex-direction:column;gap:14px}
.hero-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:20px;color:var(--text);cursor:pointer;transition:.2s;border:1px solid var(--border);backdrop-filter:blur(10px)}
.hero-card:hover{transform:translateY(-2px);border-color:rgba(57,255,20,.4)}
.hero-card.flash{background:linear-gradient(135deg,#3A0F0F 0%,#7A1F1F 100%);border-color:rgba(255,77,79,.4)}
.hero-card.gift{background:linear-gradient(135deg,#1F3A22 0%,#2A5C30 100%);border-color:rgba(57,255,20,.4)}
.hero-card .card-tag{font-size:11px;font-weight:800;background:rgba(57,255,20,.2);color:var(--accent);padding:4px 10px;border-radius:10px;letter-spacing:1px}
.hero-card.flash .card-tag{background:rgba(255,77,79,.2);color:var(--danger)}
.hero-card h3{font-size:18px;font-weight:800;line-height:1.3;margin-top:14px}
.hero-card h3 small{display:block;font-size:12px;font-weight:400;color:rgba(255,255,255,.7);margin-top:4px}
.flash-timer{display:flex;gap:4px;margin-top:12px}
.flash-timer .t-box{background:rgba(0,0,0,.5);color:var(--accent);font-size:13px;font-weight:900;padding:5px 6px;border-radius:4px;min-width:28px;text-align:center;border:1px solid rgba(57,255,20,.3)}
.flash-timer .t-sep{color:rgba(255,255,255,.6);font-weight:700;align-self:center}
.hero-card .card-foot{font-size:11px;color:rgba(255,255,255,.85);margin-top:12px;letter-spacing:.5px}

/* ===========================================================
 * 满减进度条(差异化 #3)
 * =========================================================== */
.coupon-bar{background:var(--bg-dark);color:var(--text);padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.coupon-bar .container{display:flex;align-items:center;gap:18px;font-size:13px}
.coupon-bar .cb-title{color:var(--accent);font-weight:800;letter-spacing:1px;flex-shrink:0}
.coupon-bar .cb-progress{flex:1;height:10px;background:rgba(255,255,255,.1);border-radius:5px;overflow:hidden;position:relative}
.coupon-bar .cb-fill{height:100%;background:var(--gradient-accent);border-radius:5px;transition:width .4s;box-shadow:0 0 10px rgba(57,255,20,.4)}
.coupon-bar .cb-hint{font-size:12px;color:var(--text-light);flex-shrink:0}
.coupon-bar .cb-hint strong{color:var(--accent);font-weight:800}

/* ===========================================================
 * 商品网格
 * =========================================================== */
.section{padding:36px 0}
.section-title{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--primary)}
.section-title h2{font-size:22px;font-weight:900;color:var(--primary-dark);position:relative;padding-left:14px;letter-spacing:.5px}
.section-title h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;background:var(--gradient-accent);border-radius:2px}
.section-title h2 small{font-size:13px;color:var(--text-light);font-weight:500;margin-left:8px}
.section-title .more{color:var(--primary);font-size:13px;font-weight:600}

.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:var(--bg);border:1px solid var(--bg-soft);border-radius:var(--radius);overflow:hidden;transition:.25s;cursor:pointer;position:relative}
.product-card:hover{border-color:var(--accent);box-shadow:var(--shadow-dark);transform:translateY(-3px)}
.product-card .prod-img{position:relative;aspect-ratio:1;background:var(--bg-secondary);overflow:hidden}
.product-card .prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.product-card:hover .prod-img img{transform:scale(1.05)}
.product-card .prod-tag{position:absolute;top:8px;left:8px;background:var(--gradient-fire);color:#fff;font-size:11px;font-weight:800;padding:3px 8px;border-radius:3px;letter-spacing:1px}
.product-card .prod-tag.new{background:linear-gradient(135deg,#39FF14,#22B80F);color:var(--primary-dark)}
.product-card .prod-tag.flash{background:linear-gradient(90deg,#FF4D4F,#FF7875);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.7}}
.product-card .prod-tag.pro{background:linear-gradient(135deg,#1A1F2E,#2A3142);color:var(--accent);border:1px solid var(--accent)}
.product-card .prod-info{padding:14px 14px 16px}
.product-card .prod-name{font-size:13px;font-weight:700;line-height:1.4;height:36px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:10px;color:var(--primary-dark)}
.product-card .prod-price-row{display:flex;align-items:baseline;gap:8px;margin-bottom:8px}
.product-card .prod-price{color:var(--danger);font-size:20px;font-weight:900}
.product-card .prod-price::before{content:"¥";font-size:13px;font-weight:600;margin-right:1px}
.product-card .prod-orig{color:var(--text-light);font-size:12px;text-decoration:line-through}
.product-card .prod-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--text-light);padding-top:8px;border-top:1px dashed var(--bg-soft)}
.product-card .prod-meta .sales{color:var(--text-light)}
.product-card .prod-meta .cart-btn-mini{color:var(--accent);font-weight:800;letter-spacing:.5px}

/* ===========================================================
 * 详情弹窗(暗黑双主题)
 * =========================================================== */
.ck-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.ck-overlay.show{display:flex}
.ck-box{background:var(--bg);border-radius:var(--radius-lg);max-width:920px;width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.ck-box.wide{max-width:1100px}
.ck-head{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--bg-soft);background:var(--primary-dark);color:var(--text)}
.ck-head h3{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.5px}
.ck-close{font-size:22px;color:var(--text-light);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.2s}
.ck-close:hover{background:rgba(57,255,20,.15);color:var(--accent)}
.ck-body{padding:24px;overflow-y:auto}

.detail-body{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:24px}
.detail-imgs{border-radius:var(--radius);overflow:hidden;background:var(--bg-secondary);aspect-ratio:1;border:1px solid var(--bg-soft)}
.detail-imgs img{width:100%;height:100%;object-fit:cover}
.detail-thumbs{display:flex;gap:8px;margin-top:10px}
.detail-thumbs .thumb{width:64px;height:64px;border-radius:6px;border:2px solid var(--bg-soft);overflow:hidden;cursor:pointer}
.detail-thumbs .thumb.active{border-color:var(--accent)}
.detail-thumbs .thumb img{width:100%;height:100%;object-fit:cover}
.detail-info h2{font-size:20px;font-weight:800;line-height:1.4;margin-bottom:14px;color:var(--primary-dark)}
.detail-price-box{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-soft) 100%);padding:16px 18px;border-radius:var(--radius);margin-bottom:18px;border:1px solid var(--bg-soft);position:relative;overflow:hidden}
.detail-price-box::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--gradient-accent)}
.detail-price-row{display:flex;align-items:baseline;gap:10px}
.detail-price{color:var(--danger);font-size:28px;font-weight:900}
.detail-price::before{content:"¥";font-size:14px;font-weight:600;margin-right:1px}
.detail-orig{color:var(--text-light);font-size:14px;text-decoration:line-through}
.detail-save{background:var(--gradient-fire);color:#fff;font-size:11px;font-weight:800;padding:3px 10px;border-radius:3px;letter-spacing:1px}
.detail-sales{font-size:12px;color:var(--text-light);margin-top:8px}

.detail-section{margin-bottom:18px}
.detail-section h4{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:8px;letter-spacing:.5px;text-transform:uppercase}
.spec-list{display:flex;flex-wrap:wrap;gap:8px}
.spec-btn{padding:9px 16px;border:1px solid var(--bg-soft);border-radius:var(--radius);background:var(--bg);font-size:13px;font-weight:600;cursor:pointer;transition:.2s;color:var(--text-dark)}
.spec-btn:hover{border-color:var(--accent);color:var(--accent)}
.spec-btn.active{background:var(--gradient-accent);color:var(--primary-dark);border-color:var(--accent);font-weight:800}
.qty-control{display:inline-flex;align-items:center;border:1px solid var(--bg-soft);border-radius:var(--radius);overflow:hidden}
.qty-control button{width:32px;height:36px;font-size:16px;color:var(--text-dark);font-weight:700;transition:.15s}
.qty-control button:hover{background:var(--bg-secondary);color:var(--accent)}
.qty-control input{width:54px;height:36px;border:none;border-left:1px solid var(--bg-soft);border-right:1px solid var(--bg-soft);text-align:center;font-size:13px;font-weight:700;outline:none}
.detail-services{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-light);background:var(--bg-secondary);padding:10px 14px;border-radius:var(--radius);border:1px solid var(--bg-soft)}
.detail-svc{display:flex;align-items:center;gap:4px}
.detail-svc-icon{font-size:14px;color:var(--accent)}
.detail-actions{display:flex;gap:10px;margin-top:10px}
.btn{padding:13px 24px;border-radius:var(--radius);font-size:14px;font-weight:800;cursor:pointer;transition:.2s;flex:1;text-align:center;letter-spacing:1px}
.btn-cart{background:var(--bg-dark);color:var(--text);border:1px solid var(--accent)}
.btn-cart:hover{background:var(--accent);color:var(--primary-dark)}
.btn-buy{background:var(--gradient-accent);color:var(--primary-dark);box-shadow:var(--shadow-dark)}
.btn-buy:hover{box-shadow:0 6px 24px rgba(57,255,20,.35);transform:translateY(-1px)}

/* Tab 标签 */
.detail-tabs{display:flex;background:var(--bg);border-bottom:1px solid var(--bg-soft);position:sticky;top:0;z-index:5}
.detail-tab{padding:14px 22px;font-size:14px;color:var(--text-light);cursor:pointer;border-bottom:2px solid transparent;transition:.2s;font-weight:700}
.detail-tab.active{color:var(--primary-dark);border-bottom-color:var(--accent);font-weight:800}
.tab-badge{display:inline-block;background:var(--bg-secondary);color:var(--accent);font-size:11px;font-weight:700;padding:1px 6px;border-radius:8px;margin-left:4px}

.detail-tab-content{display:none;padding:24px}
.detail-tab-content.active{display:block;animation:fadeIn .3s}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.block-title{font-size:16px;font-weight:800;margin-bottom:14px;padding-left:8px;border-left:3px solid var(--accent);color:var(--primary-dark);letter-spacing:.5px}
.detail-block{margin-bottom:24px}
.detail-desc{font-size:13px;line-height:1.85;color:var(--text-dark)}
.detail-desc strong{color:var(--primary-dark);font-weight:800;display:inline-block;margin-top:8px;padding:2px 8px;background:var(--bg-secondary);border-radius:3px}
.detail-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-secondary);aspect-ratio:1;border:1px solid var(--bg-soft)}
.gallery-item img{width:100%;height:100%;object-fit:cover}
.gallery-cap{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,.7),transparent);color:var(--accent);font-size:11px;padding:8px;text-align:center;font-weight:700;letter-spacing:1px}
.detail-fabric,.detail-wash{font-size:13px;line-height:1.8;background:var(--bg-secondary);padding:14px 18px;border-radius:var(--radius);border:1px solid var(--bg-soft)}
.detail-fabric p,.detail-wash p{margin-bottom:4px}

.params-table{width:100%;border-collapse:collapse;font-size:13px}
.params-table tr{border-bottom:1px solid var(--bg-soft)}
.params-table th{background:var(--bg-secondary);color:var(--text-light);width:130px;padding:10px 14px;text-align:left;font-weight:700}
.params-table td{padding:10px 14px;font-weight:500}

.size-table{width:100%;text-align:center;border-collapse:collapse;font-size:13px}
.size-table th{background:var(--primary-dark);color:var(--accent);padding:10px;font-weight:800;letter-spacing:1px}
.size-table td{padding:10px;border-bottom:1px solid var(--bg-soft);font-weight:500}

.review-summary{display:flex;align-items:center;gap:18px;padding:18px;background:var(--primary-dark);border-radius:var(--radius);margin-bottom:16px;color:var(--text)}
.review-score{font-size:36px;color:var(--accent);font-weight:900}
.review-tags{font-size:13px;color:var(--text-light)}
.review-item{padding:14px 0;border-bottom:1px solid var(--bg-soft)}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.review-avatar{width:32px;height:32px;border-radius:50%;background:var(--gradient-accent);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-weight:800}
.review-name{font-size:13px;font-weight:700}
.review-stars{color:var(--accent);font-size:13px}
.review-date{font-size:11px;color:var(--text-light);margin-left:auto}
.review-spec{font-size:11px;color:var(--primary-dark);background:var(--bg-secondary);padding:2px 8px;border-radius:3px;display:inline-block;margin-bottom:6px;font-weight:600}
.review-text{font-size:13px;color:var(--text-dark);line-height:1.6}

.qa-item{padding:12px 0;border-bottom:1px solid var(--bg-soft)}
.qa-q{font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:6px}
.qa-a{font-size:13px;color:var(--text-light);padding-left:14px;border-left:2px solid var(--accent)}

.detail-aftersale{background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-soft) 100%);padding:24px}
.aftersale-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.aftersale-item{display:flex;flex-direction:column;align-items:center;text-align:center;font-size:12px;color:var(--text-dark);font-weight:600}
.aftersale-item .ico{width:36px;height:36px;border-radius:50%;background:var(--gradient-accent);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:6px;font-weight:800}

/* ===========================================================
 * 购物车抽屉(差异化 #2:暗黑玻璃质感)
 * =========================================================== */
.cart-drawer{position:fixed;top:0;right:-440px;width:420px;max-width:90vw;height:100vh;background:var(--primary-dark);color:var(--text);box-shadow:-4px 0 24px rgba(0,0,0,.5);z-index:99;display:flex;flex-direction:column;transition:right .3s ease;border-left:1px solid var(--border)}
.cart-drawer.show{right:0}
.cart-drawer .ck-head{background:var(--gradient-accent);color:var(--primary-dark);border-bottom:none}
.cart-drawer .ck-head h3{color:var(--primary-dark);font-weight:900}
.cart-drawer .ck-head .ck-close{color:var(--primary-dark)}
.cart-drawer .ck-head .ck-close:hover{background:rgba(0,0,0,.15)}
.cart-body{padding:16px;overflow-y:auto;flex:1;background:var(--primary-dark)}
.cart-empty{text-align:center;color:var(--text-light);padding:60px 0}
.cart-empty .ico{font-size:48px;margin-bottom:10px;opacity:.4;color:var(--accent)}
.cart-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.cart-item .ci-img{width:64px;height:64px;border-radius:var(--radius);background:var(--bg-secondary);overflow:hidden;flex-shrink:0;border:1px solid var(--border)}
.cart-item .ci-img img{width:100%;height:100%;object-fit:cover}
.cart-item .ci-info{flex:1;min-width:0}
.cart-item .ci-name{font-size:13px;font-weight:600;line-height:1.4;margin-bottom:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;color:var(--text)}
.cart-item .ci-spec{font-size:11px;color:var(--accent);margin-bottom:6px;font-weight:600}
.cart-item .ci-row{display:flex;justify-content:space-between;align-items:center}
.cart-item .ci-price{color:var(--accent);font-size:14px;font-weight:900}
.cart-item .ci-price::before{content:"¥";font-size:11px;margin-right:1px}
.cart-item .ci-qty{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.cart-item .ci-qty button{width:24px;height:24px;font-size:13px;color:var(--text);font-weight:700}
.cart-item .ci-qty button:hover{background:rgba(57,255,20,.15);color:var(--accent)}
.cart-item .ci-qty input{width:30px;height:24px;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border);text-align:center;font-size:11px;outline:none;background:transparent;color:var(--text);font-weight:700}
.cart-item .ci-del{color:var(--text-light);font-size:11px;cursor:pointer;margin-left:6px}
.cart-item .ci-del:hover{color:var(--danger)}

.cart-foot{padding:14px 16px;border-top:1px solid var(--border);background:#0A0D14}
.cart-coupon{font-size:12px;color:var(--text-light);padding:8px 12px;background:rgba(57,255,20,.1);border:1px solid rgba(57,255,20,.3);border-radius:6px;margin-bottom:10px;text-align:center}
.cart-coupon .c-good{color:var(--accent);font-weight:800}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.cart-total .lbl{font-size:13px;color:var(--text-light);letter-spacing:.5px}
.cart-total .val{color:var(--accent);font-size:24px;font-weight:900}
.cart-total .val::before{content:"¥";font-size:13px;margin-right:1px}
.cart-actions{display:flex;gap:8px}
.cart-actions .btn{flex:1;padding:12px 16px}

/* ===========================================================
 * 结算页表单(v3.34 5 字段)
 * =========================================================== */
.checkout-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.checkout-form{background:var(--bg);border:1px solid var(--bg-soft);border-radius:var(--radius);padding:24px}
.checkout-form h3{font-size:16px;font-weight:800;color:var(--primary-dark);margin-bottom:18px;padding-bottom:10px;border-bottom:1px solid var(--bg-soft);letter-spacing:.5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-row.full{grid-template-columns:1fr}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group label{font-size:13px;color:var(--primary-dark);font-weight:700}
.form-group label .req{color:var(--danger);margin-left:2px}
.form-group input,.form-group textarea,.form-group select{padding:10px 12px;border:1px solid var(--bg-soft);border-radius:var(--radius);font-size:13px;font-family:inherit;outline:none;transition:.2s;background:var(--bg)}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(57,255,20,.1)}
.form-group textarea{resize:vertical;min-height:60px}
.form-group input[required]:invalid:not(:placeholder-shown){border-color:var(--danger)}

.order-summary{background:var(--primary-dark);border-radius:var(--radius);padding:20px;height:fit-content;position:sticky;top:80px;color:var(--text);border:1px solid var(--border)}
.order-summary h3{font-size:16px;font-weight:800;color:var(--accent);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);letter-spacing:.5px}
.os-item{display:flex;justify-content:space-between;align-items:center;font-size:13px;padding:6px 0;color:var(--text-light)}
.os-item .lbl{color:var(--text-light)}
.os-item .val{font-weight:700;color:var(--text)}
.os-discount{color:var(--accent)!important}
.os-divider{height:1px;background:var(--border);margin:8px 0}
.os-total{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0}
.os-total .lbl{font-size:14px;font-weight:800;color:var(--text)}
.os-total .val{color:var(--accent);font-size:24px;font-weight:900}
.os-total .val::before{content:"¥";font-size:13px;margin-right:1px}
.pay-method{display:flex;align-items:center;gap:12px;padding:14px;border:2px solid var(--accent);border-radius:var(--radius);background:rgba(57,255,20,.1);cursor:pointer;margin:14px 0}
.pay-method .pay-icon{width:36px;height:36px;background:#1677FF;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:800}
.pay-method .pay-info{flex:1}
.pay-method .pay-info .name{font-size:14px;font-weight:800;color:var(--text)}
.pay-method .pay-info .desc{font-size:11px;color:var(--text-light);margin-top:2px}
.pay-method .pay-check{color:var(--accent);font-size:20px;font-weight:900}

.submit-bar{position:sticky;bottom:0;margin:14px -20px -20px;padding:14px 20px;background:#0A0D14;border-top:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);display:flex;justify-content:space-between;align-items:center}
.submit-bar .summary{font-size:13px;color:var(--text-light)}
.submit-bar .summary strong{color:var(--accent);font-size:18px;font-weight:900}
.submit-bar .btn-buy{padding:12px 32px;flex:none}

/* ===========================================================
 * 成功页
 * =========================================================== */
.success-content{text-align:center;padding:40px 24px}
.success-content .ico{width:80px;height:80px;margin:0 auto 20px;background:var(--gradient-accent);color:var(--primary-dark);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:900;box-shadow:var(--shadow-dark)}
.success-content h2{font-size:22px;color:var(--primary-dark);margin-bottom:8px;font-weight:900}
.success-content .order-id{font-size:14px;color:var(--text-light);margin-bottom:20px}
.success-content .order-id strong{color:var(--accent);font-weight:900}
.success-content .actions{display:flex;gap:12px;justify-content:center}
.success-content .btn{max-width:160px}

/* ===========================================================
 * Footer (暗黑底)
 * =========================================================== */
.features{padding:24px 0;background:var(--bg-dark);border-top:1px solid var(--border);color:var(--text)}
.features .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{display:flex;align-items:center;gap:10px;justify-content:center}
.feature .ico{width:36px;height:36px;border-radius:50%;background:var(--gradient-accent);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;font-weight:800}
.feature-text{font-size:13px;color:var(--text)}
.feature-text strong{display:block;font-weight:800;color:var(--accent)}

footer{background:#0A0D14;color:rgba(255,255,255,.6);padding:36px 0 20px;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px;margin-bottom:24px}
.footer-brand .logo{width:48px;height:48px;border-radius:6px;background:var(--gradient-accent);display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:22px;font-weight:900;margin-bottom:10px;box-shadow:var(--shadow-dark)}
.footer-brand .name{color:var(--text);font-size:16px;font-weight:800;margin-bottom:6px}
.footer-brand .name span{color:var(--accent)}
.footer-brand .desc{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55)}
.footer-col h4{color:var(--accent);font-size:14px;font-weight:800;margin-bottom:12px;letter-spacing:1px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:6px;font-size:12px}
.footer-col ul li a{color:rgba(255,255,255,.6);transition:.2s}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding-top:18px;font-size:11px;color:rgba(255,255,255,.45);text-align:center;line-height:1.8}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent)}
.footer-bottom .gov-icon{display:inline-block;width:14px;height:14px;background:var(--accent);border-radius:2px;vertical-align:-3px;margin-right:4px}

/* ===========================================================
 * 移动端适配(640px)
 * =========================================================== */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;gap:14px}
  .hero-content h1{font-size:30px}
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .features .container{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(4,1fr);gap:14px}
  .footer-brand{grid-column:1 / -1}
  .detail-body{grid-template-columns:1fr}
  .detail-gallery{grid-template-columns:repeat(2,1fr)}
  .aftersale-grid{grid-template-columns:repeat(2,1fr)}
  .checkout-grid{grid-template-columns:1fr}
  .topbar .left{display:none}
}

@media (max-width:640px){
  body{font-size:13px}
  .container{padding:0 14px}
  .topbar{font-size:11px}
  .brand{padding:12px 0}
  .brand .name{font-size:16px}
  .brand .slogan{display:none}
  .search-box{max-width:none}
  .search-box button{width:60px}
  .nav-action{padding:6px 8px}
  .nav-action span{display:none}
  .cat-tabs{padding:10px 0}
  .cat-tabs .container{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
  .cat-tab{padding:8px 4px;font-size:11px}
  .cat-tab .ico{font-size:20px}
  .hero{padding:24px 0 20px}
  .hero-content h1{font-size:24px}
  .hero-content h1 small{font-size:13px}
  .hero-stat{flex-wrap:wrap;gap:14px}
  .hero-stat .stat-item{flex:1 1 30%}
  .hero-cta{flex-direction:column}
  .btn-cta{width:100%;text-align:center}
  .section{padding:22px 0}
  .section-title h2{font-size:17px}
  .coupon-bar .container{flex-direction:column;align-items:flex-start;gap:8px}
  .coupon-bar .cb-progress{width:100%}
  .products-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .product-card .prod-info{padding:10px}
  .product-card .prod-name{font-size:12px;height:32px}
  .product-card .prod-price{font-size:16px}
  .features .container{grid-template-columns:1fr 1fr;gap:10px}
  footer{padding:24px 0 14px}
  .footer-grid{grid-template-columns:repeat(4,1fr);gap:14px}
  .footer-col h4{font-size:12px;margin-bottom:8px}
  .footer-col ul li{font-size:11px;margin-bottom:5px}
  .ck-overlay{align-items:flex-end;padding:0}
  .ck-box{max-height:95vh;border-radius:14px 14px 0 0;animation:slideUp .25s ease}
  @keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
  .detail-body{padding:14px;gap:14px}
  .ck-body{padding:14px}
  .detail-tabs{overflow-x:auto;white-space:nowrap}
  .detail-tab{padding:12px 14px;font-size:13px}
  .aftersale-grid{grid-template-columns:1fr 1fr}
  .cart-drawer{width:100vw;right:-100vw}
  .cart-drawer.show{right:0}
  .form-row{grid-template-columns:1fr}
}