/* ============================================================
   算汇商城 · 电子产品商城  全站样式
   侧边工作台风格 · 北京算汇人工智能科技有限公司 · aisuanhui.com
   ============================================================ */
:root{
  --primary:#4C5AE9;
  --primary-hover:#3B48D6;
  --primary-light:#EEF0FE;
  --grad:linear-gradient(165deg,#4C5AE9 0%,#6A6FF0 55%,#8E97F8 100%);
  --bg:#F2F4FA;
  --card:#FFFFFF;
  --text:#20242F;
  --text-2:#6E7380;
  --text-3:#A0A5B1;
  --price:#FF4D4F;
  --border:#E8EAF1;
  --border-2:#EEF0F6;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 28px rgba(76,90,233,.07);
  --shadow-hover:0 14px 34px rgba(76,90,233,.15);
  --sb-w:240px;
  --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:14px;outline:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
body{padding-left:var(--sb-w)}

/* ---------- 侧边栏 ---------- */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sb-w);background:linear-gradient(180deg,#4A55E4 0%,#5D6AEE 45%,#8E97F8 100%);border-radius:0 26px 26px 0;color:#fff;display:flex;flex-direction:column;padding:26px 18px 18px;z-index:200;overflow-y:auto}
.sidebar::-webkit-scrollbar{width:0}
.sb-logo{display:flex;align-items:center;gap:11px;padding:2px 6px 0}
.sb-logo-icon{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;flex-shrink:0;backdrop-filter:blur(4px)}
.sb-logo-icon svg{width:24px;height:24px}
.sb-logo-text{display:flex;flex-direction:column;line-height:1.3}
.sb-logo-text b{font-size:17px;font-weight:700;letter-spacing:.5px}
.sb-logo-text span{font-size:11px;opacity:.75;letter-spacing:.3px}
.sb-user{margin:26px 0 6px;text-align:center;padding:18px 12px 16px;background:rgba(255,255,255,.12);border-radius:16px}
.sb-avatar{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 10px}
.sb-hello{font-size:14px;font-weight:600}
.sb-sub{font-size:12px;opacity:.75;margin-top:2px}
.sb-sub a{text-decoration:underline;text-underline-offset:3px}
.sb-search{display:flex;align-items:center;background:rgba(255,255,255,.14);border-radius:20px;padding:0 6px 0 14px;margin:16px 4px 8px;transition:.2s}
.sb-search:focus-within{background:rgba(255,255,255,.22)}
.sb-search input{flex:1;border:none;background:transparent;padding:9px 4px;font-size:13px;color:#fff;min-width:0}
.sb-search input::placeholder{color:rgba(255,255,255,.65)}
.sb-search button{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sb-nav{margin-top:12px;display:flex;flex-direction:column;gap:4px;flex:1}
.sb-nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;font-size:14px;color:rgba(255,255,255,.82);transition:.2s;position:relative}
.sb-nav a svg{width:17px;height:17px;flex-shrink:0}
.sb-nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.sb-nav a.active{background:#fff;color:var(--primary);font-weight:600;box-shadow:0 6px 16px rgba(30,40,120,.18)}
.sb-nav a .sb-badge{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:var(--price);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px;font-weight:700}
.sb-foot{padding:16px 6px 0;font-size:11px;opacity:.55;text-align:center;letter-spacing:.4px}

/* 移动端顶栏 */
.m-topbar{display:none;position:sticky;top:0;z-index:150;background:#fff;box-shadow:0 1px 0 var(--border-2);align-items:center;gap:12px;height:56px;padding:0 16px}
.m-topbar .mt-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;flex:1}
.m-topbar .mt-logo i{width:30px;height:30px;border-radius:9px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal}
.m-topbar .mt-logo i svg{width:18px;height:18px}
.m-topbar .mt-btn{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text);position:relative}
.m-topbar .mt-btn svg{width:20px;height:20px}
.m-topbar .mt-btn .sb-badge{position:absolute;top:2px;right:2px;background:var(--price);color:#fff;font-size:10px;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px;font-weight:700}
.sb-mask{display:none;position:fixed;inset:0;background:rgba(32,36,47,.45);z-index:190;opacity:0;transition:.25s}
.sb-mask.show{opacity:1}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border-2);margin-top:56px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:46px 0 34px}
.footer-brand .fb-logo{display:flex;align-items:center;gap:10px}
.footer-brand .fb-logo i{width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal}
.footer-brand .fb-logo i svg{width:22px;height:22px}
.footer-brand .fb-logo b{font-size:16px}
.footer-brand p{margin-top:14px;font-size:13px;color:var(--text-2);line-height:1.9;max-width:340px}
.footer-col h4{font-size:14px;margin-bottom:14px;font-weight:600;color:var(--text)}
.footer-col li{margin-bottom:10px;font-size:13px;color:var(--text-2);transition:.2s}
.footer-col li a:hover{color:var(--primary)}
.footer-col li span{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border-2);padding:16px 0;text-align:center;font-size:12px;color:var(--text-2);line-height:2}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 22px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:.2s;cursor:pointer;line-height:1}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 16px rgba(76,90,233,.3)}
.btn-grad{background:var(--grad);color:#fff}
.btn-grad:hover{box-shadow:0 8px 18px rgba(76,90,233,.35);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-ghost{background:var(--bg);color:var(--text-2)}
.btn-ghost:hover{background:var(--border-2);color:var(--text)}
.btn-danger{background:var(--price);color:#fff}
.btn-danger:hover{background:#E63946}
.btn-block{width:100%}
.btn-lg{padding:13px 30px;font-size:15px}
.btn-sm{padding:7px 14px;font-size:13px}

/* ---------- Cards / common ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.section{padding:34px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.section-head h2{font-size:21px;font-weight:700}
.section-head .more{font-size:13px;color:var(--text-2);cursor:pointer;transition:.2s}
.section-head .more:hover{color:var(--primary)}
.price{color:var(--price);font-weight:700}
.price small{font-size:13px;font-weight:600}
.price .market{color:var(--text-3);text-decoration:line-through;font-size:12px;font-weight:400;margin-left:6px}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;background:var(--primary-light);color:var(--primary)}
.breadcrumb{font-size:13px;color:var(--text-2);padding:20px 0 4px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 8px;color:var(--text-3)}

/* ---------- Hero（左文案 + 右商品轮播） ---------- */
.hero{margin-top:22px;background:var(--grad);color:#fff;border-radius:22px;overflow:hidden;box-shadow:0 16px 40px rgba(76,90,233,.28);position:relative}
.hero::after{content:"";position:absolute;right:-130px;top:-130px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.07);pointer-events:none}
.hero-inner{display:flex;align-items:center;gap:44px;padding:52px 40px;position:relative;z-index:1}
.hero-copy{flex:1;min-width:0}
.hero h1{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:14px;letter-spacing:.5px}
.hero p{font-size:14.5px;opacity:.92;max-width:470px;margin-bottom:26px;line-height:1.95}
.hero .hero-btns{display:flex;gap:14px}
.hero .hero-btns .btn{padding:12px 28px}
.hero-rot{width:360px;flex-shrink:0;position:relative;height:352px}
.hr-slide{position:absolute;inset:0 0 30px 0;background:#fff;border-radius:18px;box-shadow:0 20px 44px rgba(0,0,0,.18);color:var(--text);opacity:0;transform:translateX(28px) scale(.97);transition:.55s ease;pointer-events:none;display:flex;flex-direction:column;overflow:hidden}
.hr-slide.on{opacity:1;transform:none;pointer-events:auto}
.hr-img{flex:1;min-height:0;background:var(--bg);position:relative;overflow:hidden}
.hr-img img{width:100%;height:100%;object-fit:cover;display:block}
.hr-badge{position:absolute;top:12px;left:12px;background:rgba(17,24,39,.72);color:#fff;font-size:11px;padding:4px 11px;border-radius:14px;backdrop-filter:blur(4px)}
.hr-info{display:flex;align-items:center;gap:12px;padding:13px 18px}
.hr-t{flex:1;min-width:0}
.hr-t b{display:block;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hr-t i{display:block;font-style:normal;font-size:11px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hr-price{flex-shrink:0;color:#E11D48;font-weight:800;font-size:17px}
.hr-price small{font-size:12px}
.hr-dots{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:center;gap:7px}
.hr-dot{width:8px;height:8px;border-radius:6px;border:0;padding:0;background:rgba(255,255,255,.45);cursor:pointer;transition:.25s}
.hr-dot.on{width:22px;background:#fff}

/* ---------- Category cards（横排图标卡） ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cat-card{display:flex;align-items:center;gap:13px;background:#fff;border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);transition:.22s;position:relative;overflow:hidden;min-width:0}
.cat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--c1),var(--c2));opacity:0;transition:.22s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cat-card:hover::before{opacity:1}
.cc-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 6px 14px -4px var(--c2);transition:.22s}
.cc-icon svg{width:24px;height:24px}
.cat-card:hover .cc-icon{transform:scale(1.06) rotate(-3deg)}
.cc-txt{flex:1;min-width:0}
.cc-txt b{display:block;font-size:14.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cc-txt i{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cc-arrow{flex-shrink:0;color:var(--border);font-size:17px;transition:.22s}
.cat-card:hover .cc-arrow{color:var(--c1);transform:translateX(3px)}

/* ---------- Product grid ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;cursor:pointer;display:flex;flex-direction:column}
.prod-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.prod-card .prod-img{aspect-ratio:1/1;background:var(--bg);overflow:hidden}
.prod-card .prod-img img{width:100%;height:100%;object-fit:cover;transition:.35s}
.prod-card:hover .prod-img img{transform:scale(1.05)}
.prod-card .prod-body{padding:15px 16px 17px;display:flex;flex-direction:column;flex:1}
.prod-card .prod-name{font-size:14px;line-height:1.5;height:42px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-weight:500}
.prod-card .prod-brand{font-size:12px;color:var(--text-3);margin-top:7px}
.prod-card .prod-meta{display:flex;align-items:baseline;justify-content:space-between;margin-top:11px}
.prod-card .prod-meta .price{font-size:17px}
.prod-card .prod-meta .price small{font-size:12px}
.prod-card .prod-sales{font-size:11px;color:var(--text-3)}

/* ---------- Service strip ---------- */
.service-strip{display:flex;justify-content:space-between;gap:14px;background:#fff;border-radius:var(--radius);padding:20px 28px;box-shadow:var(--shadow);flex-wrap:wrap}
.service-item{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2)}
.service-item b{color:var(--text);font-size:13.5px}
.service-item b::after{content:"·";margin:0 9px;color:var(--border);font-weight:400}
.service-item span{font-size:12.5px}
.service-item:last-child b::after{content:""}

/* ---------- List page ---------- */
.list-layout{display:grid;grid-template-columns:220px 1fr;gap:22px;padding:8px 0 40px}
.filter-side{background:#fff;border-radius:var(--radius);padding:18px;align-self:start;position:sticky;top:20px;box-shadow:var(--shadow)}
.filter-side h3{font-size:15px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border-2)}
.filter-side .f-item{padding:9px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-2);cursor:pointer;margin-bottom:4px;display:flex;justify-content:space-between;transition:.2s}
.filter-side .f-item:hover{background:var(--primary-light);color:var(--primary)}
.filter-side .f-item.active{background:var(--primary);color:#fff;font-weight:600}
.list-main{}
.list-toolbar{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:var(--radius);padding:12px 18px;margin-bottom:18px;box-shadow:var(--shadow)}
.sort-tabs{display:flex;gap:6px}
.sort-tabs button{padding:6px 14px;border-radius:18px;font-size:13px;color:var(--text-2);transition:.2s}
.sort-tabs button.active{background:var(--primary);color:#fff;font-weight:600}
.list-count{font-size:13px;color:var(--text-2)}
.empty{text-align:center;padding:80px 20px;color:var(--text-3)}
.empty .em-icon{font-size:44px;font-weight:700;color:var(--border);margin-bottom:14px}

/* ---------- Detail page ---------- */
.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:8px 0 40px}
.detail-img{background:#fff;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow)}
.detail-img img{width:100%;height:100%;object-fit:cover}
.detail-info .d-brand{color:var(--primary);font-size:13px;font-weight:600;margin-bottom:8px}
.detail-info h1{font-size:23px;font-weight:700;line-height:1.4;margin-bottom:12px}
.detail-info .d-subtitle{color:var(--text-2);font-size:14px;margin-bottom:18px;line-height:1.7}
.detail-price{background:var(--primary-light);border-radius:var(--radius);padding:18px 20px;margin-bottom:20px}
.detail-price .dp-now{font-size:14px;color:var(--text-2)}
.detail-price .dp-now .price{font-size:30px}
.detail-price .dp-meta{display:flex;gap:18px;margin-top:8px;font-size:12px;color:var(--text-3)}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:22px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:0}
.spec-table td{padding:11px 14px;border-bottom:1px solid var(--border-2);font-size:13px;vertical-align:top}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--text-2);width:110px;white-space:pre-line}
.detail-actions{display:flex;gap:14px;margin-top:10px}
.detail-actions .btn{padding:14px 34px;font-size:15px}

/* ---------- Cart ---------- */
.cart-table{width:100%;background:#fff;border-radius:var(--radius);border-collapse:collapse;overflow:hidden;box-shadow:var(--shadow)}
.cart-table th{background:var(--bg);padding:14px;font-size:13px;color:var(--text-2);font-weight:600;text-align:left}
.cart-table td{padding:16px 14px;border-top:1px solid var(--border-2);font-size:13px;vertical-align:middle}
.cart-prod{display:flex;align-items:center;gap:14px}
.cart-prod img{width:64px;height:64px;border-radius:10px;object-fit:cover;border:1px solid var(--border-2)}
.qty-ctrl{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.qty-ctrl button{width:28px;height:28px;font-size:16px;color:var(--text-2)}
.qty-ctrl input{width:44px;height:28px;text-align:center;border:none;border-left:1px solid var(--border);border-right:1px solid var(--border)}
.cart-bar{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:var(--radius);padding:18px 22px;margin-top:18px;box-shadow:var(--shadow)}
.cart-bar .cb-total{font-size:14px;color:var(--text-2)}
.cart-bar .cb-total .price{font-size:24px}

/* ---------- Form ---------- */
.form-card{max-width:440px;margin:30px auto;background:#fff;border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-card h2{text-align:center;margin-bottom:26px;font-size:21px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);transition:.2s}
.input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(76,90,233,.12)}
textarea.input{resize:vertical;min-height:90px}

/* ---------- Orders ---------- */
.order-card{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.order-card .oc-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--border-2);padding-bottom:12px;margin-bottom:14px;font-size:13px;color:var(--text-2)}
.order-card .oc-status{color:var(--price);font-weight:600}
.order-card .oc-prod{display:flex;gap:14px;align-items:center}
.order-card .oc-prod img{width:56px;height:56px;border-radius:10px;object-fit:cover;border:1px solid var(--border-2)}
.order-card .oc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:1px solid var(--border-2)}

/* ---------- Reading / articles ---------- */
.read-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.read-card{background:#fff;border-radius:var(--radius);padding:24px;transition:.25s;cursor:pointer;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.read-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.read-card .rc-tag{display:inline-block;width:fit-content;padding:3px 10px;border-radius:20px;background:var(--primary-light);color:var(--primary);font-size:11px;font-weight:600;margin-bottom:12px}
.read-card h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.read-card .rc-summary{font-size:13px;color:var(--text-2);line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.read-card .rc-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--border-2)}
.read-card .rc-meta .rc-info{font-size:12px;color:var(--text-3)}
.read-card .rc-price{color:var(--price);font-weight:700}
.article-wrap{max-width:820px;margin:0 auto;padding:8px 0 40px}
.article-head{text-align:center;padding:30px 0 24px;border-bottom:1px solid var(--border-2);margin-bottom:30px}
.article-head .a-meta{font-size:12px;color:var(--text-3);margin-top:14px}
.article-preview{font-size:15px;line-height:2;color:var(--text)}
.article-lock{position:relative;margin-top:30px;border-radius:var(--radius);overflow:hidden}
.article-lock .lock-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(242,244,250,0) 0%,rgba(242,244,250,.85) 40%,var(--bg) 75%);backdrop-filter:blur(3px)}
.article-lock .lock-content{filter:blur(5px);user-select:none;font-size:15px;line-height:2;color:var(--text-2);max-height:260px;overflow:hidden}
.lock-cta{position:absolute;left:0;right:0;bottom:30px;text-align:center;z-index:2}
.lock-cta p{color:var(--text-2);font-size:13px;margin-bottom:16px}

/* ---------- Store ---------- */
.store-hero{background:var(--grad);border-radius:var(--radius);padding:36px;display:flex;gap:26px;align-items:center;margin-bottom:22px;color:#fff;box-shadow:0 16px 40px rgba(76,90,233,.28)}
.store-hero .sh-logo{width:88px;height:88px;border-radius:22px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;flex-shrink:0;backdrop-filter:blur(4px)}
.store-hero .sh-logo svg{width:52px;height:52px}
.store-hero h1{font-size:23px;margin-bottom:8px}
.store-hero .sh-desc{opacity:.9;margin-bottom:14px;max-width:620px;line-height:1.9}
.store-hero .tag{background:rgba(255,255,255,.16);color:#fff}
.store-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.store-info-grid .card{padding:24px}
.store-info-grid h4{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.store-info-grid li{font-size:13px;color:var(--text-2);padding:9px 0;border-bottom:1px solid var(--border-2);display:flex;justify-content:space-between;gap:12px}
.store-info-grid li:last-child{border:none}
.store-info-grid li span{color:var(--text);text-align:right}

/* ---------- User center ---------- */
.user-card{max-width:680px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.user-card .uc-avatar{width:72px;height:72px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;margin:0 auto 16px}
.user-menu{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.user-menu a{background:var(--bg);border-radius:var(--radius);padding:26px 18px;text-align:center;transition:.2s}
.user-menu a:hover{background:var(--primary-light)}
.user-menu .um-icon{width:46px;height:46px;border-radius:14px;background:#fff;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:var(--primary);margin:0 auto 10px}
.user-menu .um-name{font-size:14px;font-weight:600}

/* ---------- Merchant（第三方商家） ---------- */
.prod-merchant{display:flex;align-items:center;gap:5px;font-size:11.5px;color:var(--text-3);margin-top:8px;min-width:0}
.prod-merchant svg{width:12px;height:12px;flex-shrink:0}
.prod-merchant span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prod-card:hover .prod-merchant{color:var(--primary)}
.d-merchant{display:flex;align-items:center;gap:14px;padding:16px 18px;margin-bottom:20px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);transition:.2s}
.d-merchant:hover{box-shadow:var(--shadow-hover)}
.d-merchant .dm-avatar{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex-shrink:0}
.d-merchant .dm-info{flex:1;min-width:0}
.d-merchant .dm-info b{display:block;font-size:14px}
.d-merchant .dm-info span{font-size:12px;color:var(--text-3)}
.d-merchant .dm-link{color:var(--primary);font-size:13px;font-weight:600;flex-shrink:0}
.mh-strip{background:var(--grad);border-radius:var(--radius);padding:32px 36px;color:#fff;margin:8px 0 26px;box-shadow:0 16px 40px rgba(76,90,233,.28)}
.mh-strip h1{font-size:24px;margin-bottom:10px}
.mh-strip p{opacity:.92;max-width:680px;line-height:1.9;font-size:14px}
.m-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.m-card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.m-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.m-card .mc-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;min-width:0}
.m-card .mc-avatar{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;flex-shrink:0}
.m-card .mc-head b{font-size:13.5px;line-height:1.5}
.m-card .mc-desc{font-size:12.5px;color:var(--text-2);line-height:1.7;flex:1}
.m-card .mc-meta{display:flex;justify-content:space-between;gap:8px;margin-top:14px;padding-top:12px;border-top:1px solid var(--border-2);font-size:11.5px;color:var(--text-3);flex-wrap:wrap}
.m-card .mc-meta b{color:var(--primary);font-weight:600}
.apply-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.join-status{text-align:center}
.join-status .js-icon{width:56px;height:56px;border-radius:50%;background:#E9F7EE;color:#16A34A;display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 14px;font-weight:700}

/* ---------- Pay Modal ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(32,36,47,.55);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:.25s}
.modal-mask.show{opacity:1;pointer-events:auto}
.pay-modal{background:#fff;border-radius:18px;width:250px;max-width:92vw;padding:22px 20px 18px;text-align:center;transform:scale(.9);transition:.25s}
.modal-mask.show .pay-modal{transform:scale(1)}
.pay-modal .pm-tag{display:inline-flex;align-items:center;gap:6px;background:#E9F7EE;color:#16A34A;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:12px}
.pay-modal .pm-title{font-size:13px;color:var(--text-2);margin-bottom:6px}
.pay-modal .pm-amount{font-size:24px;font-weight:700;color:var(--text);margin-bottom:14px}
.pay-modal .pm-amount .price{font-size:24px}
.pay-modal .pm-qr{width:140px;height:140px;margin:0 auto 10px;padding:8px;border:1px solid var(--border-2);border-radius:12px;background:#fff}
.pay-modal .pm-qr canvas,.pay-modal .pm-qr img{width:100%;height:100%;display:block;object-fit:contain}
.pay-modal .pm-hint{font-size:12px;color:var(--text-3);margin-bottom:16px}
.pay-modal .pm-btn{width:100%;padding:10px;border-radius:8px;background:var(--bg);color:var(--text-2);font-size:13px;font-weight:600;transition:.2s}
.pay-modal .pm-btn:hover{background:var(--border-2);color:var(--text)}

/* ---------- Toast ---------- */
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-20px);background:rgba(32,36,47,.92);color:#fff;padding:11px 22px;border-radius:10px;font-size:13px;z-index:1100;opacity:0;pointer-events:none;transition:.25s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  body{padding-left:0}
  .sidebar{transform:translateX(-105%);transition:.28s;border-radius:0 22px 22px 0;width:264px}
  .sidebar.open{transform:translateX(0)}
  .m-topbar{display:flex}
  .sb-mask.show{display:block}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
  .hero-inner{flex-direction:column;align-items:stretch;gap:34px;padding:38px 24px}
  .hero-rot{width:100%;max-width:420px;margin:0 auto;height:336px}
  .hero h1{font-size:26px}
  .cat-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .detail-layout{grid-template-columns:1fr;gap:24px}
  .list-layout{grid-template-columns:1fr}
  .filter-side{position:static}
  .read-grid{grid-template-columns:1fr}
  .store-info-grid{grid-template-columns:1fr}
  .m-grid{grid-template-columns:repeat(2,1fr)}
  .store-hero{flex-direction:column;text-align:center;padding:28px}
  .user-menu{grid-template-columns:1fr}
  .cart-table th:nth-child(3),.cart-table td:nth-child(3){display:none}
  .service-strip{display:none}
  .footer-top{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .section-head h2{font-size:18px}
}
@media (max-width:480px){
  .wrap{padding:0 14px}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-card{padding:13px 14px}
  .cc-icon{width:40px;height:40px;border-radius:12px}
  .cc-icon svg{width:20px;height:20px}
  .hero-rot{height:308px}
  .hero h1{font-size:22px}
  .hero p{font-size:13px}
  .detail-info h1{font-size:19px}
  .cart-bar{flex-direction:column;gap:14px;align-items:stretch}
  .cart-bar .btn{width:100%}
  .m-grid{grid-template-columns:1fr}
  .apply-grid{grid-template-columns:1fr}
}