/*!
 * Flykit — cart 购物主题样式（fly.io 风格）
 * 与 web 主题同一设计语言；页面骨架：.crumb-bar + .store-wrap / .flow-grid
 */
:root{
  --brand:#2563eb; --brand-strong:#1d4ed8; --brand-deep:#1e40af;
  --brand-soft:#eff6ff; --brand-soft2:#dbeafe; --brand-line:#bfdbfe;
  --grad:linear-gradient(96deg,#2563eb 0%,#3b82f6 48%,#06b6d4 100%);
  --ink:#0f172a; --ink2:#334155; --ink3:#64748b; --muted:#94a3b8;
  --line:#e2e8f0; --line2:#f1f5f9;
  --bg:#f8fafc; --bg-soft:#ffffff; --tint:#f0f7ff; --dark:#2563eb;
  --green:#16a34a; --green-bg:#ecfdf3; --orange:#d97706; --orange-bg:#fff7ea;
  --red:#dc2626; --red-bg:#fdeeee; --blue-bg:#eff8ff;
  --radius:12px; --radius-sm:8px; --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(33,26,51,.05);
  --shadow:0 1px 2px rgba(33,26,51,.04),0 10px 30px -14px rgba(33,26,51,.14);
  --shadow-lg:0 24px 60px -24px rgba(15,23,42,.28);
  --sans:"Inter","Segoe UI",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  --serif:"Inter","Segoe UI",system-ui,-apple-system,"PingFang SC",sans-serif;
  --mono:ui-monospace,"Cascadia Code",Consolas,Menlo,monospace;
  --nav-h:66px; --crumb-h:56px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.72 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-strong)}
img{max-width:100%;border:0}
.container{max-width:1400px;margin:0 auto;padding:0 24px}
.display{font-family:var(--sans);font-weight:800;letter-spacing:-.01em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--brand)}
::selection{background:#dbeafe}

/* ---------- 按钮 (Theme Dynamic Gradient & Micro-Interactions) ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 24px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:all .22s cubic-bezier(0.16,1,0.3,1);
  white-space:nowrap;
  line-height:1;
  font-family:var(--sans);
  text-decoration:none;
  user-select:none;
  overflow:hidden;
  transform:translateZ(0);
}
.btn svg{flex:none;transition:transform .2s ease}
.btn:active,.btn-primary:active,.btn-ghost:active,.btn-soft:active{
  transform:scale(0.96) !important;
}
.btn:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(37,99,235,.35);
}

/* 主色按钮：经典紫粉极光流光渐变 + 晶莹顶光 + 悬停光晕扫光 */
.btn-primary{
  background:linear-gradient(135deg,#2563eb 0%,#3b82f6 48%,#0ea5e9 100%);
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 4px 14px -2px rgba(37,99,235,.45),0 8px 20px -6px rgba(6,182,212,.35),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary::after{
  content:"";
  position:absolute;
  top:0;
  left:-120%;
  width:60%;
  height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.32),transparent);
  transform:skewX(-20deg);
  pointer-events:none;
  transition:none;
}
.btn-primary:hover{
  background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 48%,#0284c7 100%);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px -2px rgba(37,99,235,.6),0 12px 28px -4px rgba(6,182,212,.45),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover::after{
  left:160%;
  transition:left .75s cubic-bezier(0.16,1,0.3,1);
}

/* 幽灵/次级按钮：白底微光卡片 + 悬停紫粉淡雅渐变与流光边框 */
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border:1.2px solid #e5def5;
  box-shadow:0 1px 3px rgba(33,26,51,.04);
}
.btn-ghost:hover{
  background:linear-gradient(135deg,#f8fafc 0%,#eff6ff 100%);
  color:var(--brand);
  border-color:#93c5fd;
  box-shadow:0 4px 14px -2px rgba(37,99,235,.16);
  transform:translateY(-1.5px);
}

/* 柔和按钮：二次元马卡龙紫粉糖果质感 */
.btn-soft{
  background:linear-gradient(135deg,#eff6ff 0%,#f0f9ff 100%);
  color:#1d4ed8;
  border:1px solid rgba(37,99,235,.16);
}
.btn-soft:hover{
  background:linear-gradient(135deg,#dbeafe 0%,#e0f2fe 100%);
  color:#1e40af;
  border-color:rgba(37,99,235,.32);
  box-shadow:0 4px 14px -2px rgba(37,99,235,.2);
  transform:translateY(-1.5px);
}

.btn-lg{height:48px;padding:0 28px;font-size:15px;border-radius:12px;font-weight:700}
.btn-sm{height:34px;padding:0 15px;font-size:13px;border-radius:8px}
.btn-block{width:100%;display:flex}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none!important;box-shadow:none!important}

/* ---------- 面包屑条 (Sleek Floating Crumb Bar) ---------- */
.crumb-bar{height:58px;display:flex;align-items:center;background:#fff;border-bottom:1px solid #eef2f6;box-shadow:0 1px 3px rgba(15,23,42,.03);position:sticky;top:var(--nav-h,66px);z-index:40}
.crumb-bar .cb-inner{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink3);width:100%}
.crumb-bar a{color:var(--ink3);display:inline-flex;align-items:center;gap:6px;transition:.15s;text-decoration:none}
.crumb-bar a:hover{color:var(--brand)}
.crumb-bar .cb-back{width:32px;height:32px;border-radius:9px;border:1px solid #e2e8f0;display:inline-flex;align-items:center;justify-content:center;background:#f8fafc;color:#475569;transition:.15s}
.crumb-bar .cb-back:hover{background:#f1f5f9;color:var(--ink);border-color:#cbd5e1}
.crumb-bar .cb-sep{color:#cbd5e1;font-size:12px}
.crumb-bar .cb-title{font-weight:700;color:var(--ink);font-size:14.5px}
.crumb-bar .cb-extra{margin-left:auto;display:flex;gap:10px;align-items:center}
.cb-cart-btn{display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);color:var(--brand-deep);border:1px solid var(--brand-line);border-radius:99px;padding:5px 14px;font-size:13px;font-weight:700;transition:.15s}
.cb-cart-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 3px 10px rgba(37,99,235,.25)}

/* ---------- 购物大厅两栏布局 (Store Layout) ---------- */
.store-wrap{display:grid;grid-template-columns:270px minmax(0,1fr);gap:26px;padding:26px 0 60px;align-items:start}
@media(max-width:992px){.store-wrap{grid-template-columns:minmax(0,1fr);gap:20px}}

/* 左侧商品分类侧栏 (Modern Category Card) */
.side-panel{position:sticky;top:calc(var(--nav-h,66px) + 74px);background:#fff;border:1px solid #e2e8f0;border-radius:20px;box-shadow:0 4px 20px rgba(15,23,42,.04);overflow:hidden;transition:all .2s ease}
.sp-head{padding:17px 20px 13px;border-bottom:1px solid #f1f5f9;font-weight:800;font-size:15px;color:var(--ink);display:flex;align-items:center;gap:9px;background:#fff}
.sp-head-icon{width:26px;height:26px;border-radius:7px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;flex:none}
.sp-close-btn{margin-left:auto;border:0;background:none;font-size:20px;line-height:1;cursor:pointer;color:var(--muted);padding:0 4px}
.sp-close-btn:hover{color:var(--ink)}
.sp-body{max-height:calc(100vh - 230px);overflow-y:auto;padding:12px 10px;scrollbar-width:thin;scrollbar-color:#bfdbfe transparent}
.sp-body::-webkit-scrollbar{width:4px}
.sp-body::-webkit-scrollbar-thumb{background:#bfdbfe;border-radius:4px}
.sp-group{margin-bottom:3px}
.sp-toggle{display:flex;align-items:center;gap:9px;width:100%;padding:10px 13px;border:0;background:none;font-size:13.5px;font-weight:600;color:#334155;cursor:pointer;border-radius:10px;text-align:left;transition:.16s;text-decoration:none}
.sp-toggle:hover{background:#f8fafc;color:var(--brand)}
.sp-toggle.on{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.sp-toggle .sp-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sp-toggle .sp-caret{margin-left:auto;transition:transform .2s ease;color:#94a3b8;flex:none}
.sp-group.open .sp-toggle .sp-caret{transform:rotate(90deg);color:var(--brand)}
.sp-toggle .sp-count{font-family:var(--mono);font-size:11px;font-weight:700;color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:99px;padding:1px 8px;line-height:16px;flex:none}
.sp-toggle.on .sp-count{background:#dbeafe;color:var(--brand);border-color:#bfdbfe}
.sp-subs{display:none;padding:4px 0 6px 16px;margin-left:14px;border-left:2px solid #dbeafe}
.sp-group.open .sp-subs{display:block}
.sp-sub{display:flex;align-items:center;gap:8px;padding:8px 12px;font-size:13px;color:#64748b;border-radius:8px;transition:.15s;text-decoration:none;position:relative}
.sp-sub:hover{background:#f8fafc;color:var(--brand)}
.sp-sub.on{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.sp-sub-dot{width:4px;height:4px;border-radius:50%;background:#cbd5e1;flex:none;transition:.15s}
.sp-sub:hover .sp-sub-dot,.sp-sub.on .sp-sub-dot{background:var(--brand);transform:scale(1.4)}
.sp-sub .sp-count{margin-left:auto;font-family:var(--mono);font-size:11px;font-weight:600;color:#94a3b8}
.sp-tagline-box{display:none}

/* ---------- 右侧商品主栏 (Grid Main) ---------- */
.grid-main{display:flex;flex-direction:column;min-width:0;width:100%}
.grid-main-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.grid-main-head h1{font-family:var(--sans);font-size:22px;font-weight:800;color:#0f172a;margin:0;letter-spacing:-.3px}
.grid-main-head .gm-sub{font-size:13px;color:#64748b;margin-top:4px}
.store-search-box{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:0 14px;height:40px;width:280px;box-shadow:0 1px 3px rgba(15,23,42,.03);transition:all .18s ease}
.store-search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.store-search-box svg{color:#94a3b8;flex:none}
.store-search-box input{border:0;background:transparent;outline:none;font-size:13.5px;width:100%;color:#0f172a}
.store-search-box input::placeholder{color:#94a3b8}

/* 分组公告说明栏 (类似公告形式) */
.store-notice-bar{
  display:flex;
  align-items:flex-start;
  gap:12px;
  width:100%;
  max-width:100%;
  box-sizing:border-box;
  background:linear-gradient(135deg,rgba(37,99,235,.06) 0%,rgba(6,182,212,.04) 100%);
  border:1px solid rgba(37,99,235,.16);
  border-left:3.5px solid var(--brand,#2563eb);
  border-radius:12px;
  padding:11px 16px;
  margin-bottom:22px;
  box-shadow:0 1px 4px rgba(37,99,235,.03);
  transition:all .2s ease;
}
.store-notice-bar:hover{
  border-color:rgba(37,99,235,.28);
  box-shadow:0 3px 10px rgba(37,99,235,.06);
}
.snb-badge{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--brand,#2563eb);
  color:#fff;
  font-size:11.5px;
  font-weight:700;
  padding:3px 9px;
  border-radius:6px;
  flex-shrink:0;
  margin-top:1px;
  letter-spacing:.3px;
  box-shadow:0 2px 6px rgba(37,99,235,.22);
}
.snb-badge svg{
  color:#fff;
  flex-shrink:0;
}
.snb-content{
  font-size:13px;
  line-height:1.6;
  color:#334155;
  font-weight:500;
  word-break:break-word;
  overflow-wrap:break-word;
  min-width:0;
  flex:1;
}
.snb-content b,
.snb-content strong{
  color:#0f172a;
  font-weight:700;
}
@media (max-width:768px){
  .store-notice-bar{
    padding:9px 12px;
    gap:10px;
    margin-bottom:16px;
    border-radius:10px;
  }
  .snb-badge{
    font-size:11px;
    padding:2px 7px;
  }
  .snb-content{
    font-size:12.5px;
    line-height:1.55;
  }
}

/* 国旗图标 */
.nm-flag{width:22px;height:15px;border-radius:3.5px;object-fit:cover;box-shadow:0 1px 3px rgba(0,0,0,.15);flex:none}

/* 商品卡片网格 (Responsive Auto-fit Grid) */
.st-grid.product-grid{display:grid!important;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))!important;gap:20px!important;width:100%!important}
@media(max-width:720px){.st-grid.product-grid{grid-template-columns:1fr!important;gap:14px!important}}

/* ---------- 商品卡片本体 (Modern Cloud Hosting Card) ---------- */
.st-grid .product-card{
  background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:22px 22px 20px;
  display:flex;flex-direction:column;transition:all .24s cubic-bezier(0.16,1,0.3,1);
  position:relative;overflow:hidden;box-shadow:0 2px 10px rgba(15,23,42,.03);
}
.st-grid .product-card::before{
  content:'';position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#2563eb,#3b82f6,#06b6d4);opacity:0;transition:opacity .2s ease;
}
.st-grid .product-card:hover{
  border-color:#bfdbfe;box-shadow:0 16px 36px -8px rgba(37,99,235,.14);
  transform:translateY(-4px);
}
.st-grid .product-card:hover::before{opacity:1}

.pc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:2px}
.pc-name{font-size:16.5px;font-weight:800;letter-spacing:-.2px;line-height:1.4;color:#0f172a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 库存徽章 */
.pc-stk{font-family:var(--mono);font-size:11px;font-weight:700;color:#059669;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:99px;padding:2px 9px;flex:none;line-height:1.5}
.pc-stk.out{color:#dc2626;background:#fef2f2;border-color:#fecaca}
.pc-stk.low{color:#d97706;background:#fffbeb;border-color:#fde68a}

/* 规格矩阵卡片 (2-Column Spec Matrix) */
.pc-specs{
  list-style:none;margin:14px 0 16px;padding:12px 14px;background:#f8fafc;
  border-radius:14px;border:1px solid #f1f5f9;display:grid;grid-template-columns:repeat(2,1fr);
  gap:10px 12px;flex:1;
}
.spec-row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#334155;min-width:0}
.spec-row .s-ic{width:25px;height:25px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;flex:none;transition:.15s}
.s-ic-b{color:#2563eb!important;background:#eff6ff!important;border:1px solid #bfdbfe!important}
.s-ic-g{color:#059669!important;background:#ecfdf5!important;border:1px solid #a7f3d0!important}
.s-ic-o{color:#d97706!important;background:#fffbeb!important;border:1px solid #fde68a!important}
.s-ic-p{color:#2563eb!important;background:#eff6ff!important;border:1px solid #bfdbfe!important}
.spec-txt{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.spec-row .s-lb{color:#64748b;font-size:10.5px;font-weight:500}
.spec-row .s-val{font-size:12.5px;font-weight:700;color:#0f172a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.spec-row .s-dim{font-style:normal;color:#94a3b8;font-size:11px;font-weight:500;margin-left:2px}

/* 价格与下单底栏 */
.pc-footer-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.pc-price{display:flex;align-items:baseline;gap:3px;font-family:var(--sans)}
.pc-price small{font-size:14px;font-weight:800;color:var(--brand)}
.pc-price b{font-family:var(--sans);font-size:26px;font-weight:900;letter-spacing:-.6px;color:#0f172a;line-height:1}
.pc-price span{font-size:12px;color:#64748b;font-weight:600;margin-left:2px}

/* 购买按钮 */
.pc-buy{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;height:42px;padding:0 18px;
  border-radius:11px;background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%);color:#fff;
  font-size:13.5px;font-weight:700;transition:all .18s ease;text-decoration:none;
  box-shadow:0 4px 14px rgba(37,99,235,.28);flex:none;
}
.pc-buy svg{transition:transform .18s ease}
.pc-buy:hover{
  background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);color:#fff;
  box-shadow:0 6px 20px rgba(37,99,235,.42);transform:translateY(-1.5px);
}
.pc-buy:hover svg{transform:translateX(3px)}
.pc-buy.soldout{
  background:#f1f5f9;color:#94a3b8;border:1px solid #e2e8f0;box-shadow:none;
  pointer-events:none;cursor:not-allowed;transform:none!important;
}

/* 空商品状态 */
.empty-box{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:60px 20px;text-align:center;color:#64748b;box-shadow:0 4px 20px rgba(15,23,42,.03)}
.empty-box svg{color:var(--brand);margin-bottom:12px;opacity:.7}
.empty-box p{margin:0 0 16px;font-size:14.5px}

/* ---------- 商品选购页 ---------- */
.buy-hero{background:radial-gradient(1000px 400px at 85% -20%,#fce7f3 0%,transparent 55%),radial-gradient(900px 380px at 5% -10%,#ede4fd 0%,transparent 55%),#fff;border-bottom:1px solid var(--line-2);padding:34px 0}
.buy-hero .bh-name{font-family:var(--serif);font-size:clamp(22px,3vw,30px);margin:8px 0 0}
.buy-hero .bh-tags{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.buy-hero .bh-tag{font-size:12px;color:var(--ink2);background:var(--bg-soft);border:1px solid var(--line);border-radius:99px;padding:3px 12px}
.buy-hero .bh-price{margin-left:auto;text-align:right}
.buy-hero .bh-price small{font-size:12px;color:var(--ink3)}
.buy-hero .bh-price b{font-family:var(--serif);font-size:30px;letter-spacing:-.02em}
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) 356px;gap:22px;padding:26px 0 64px;align-items:start}
.buy-sec{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;margin-bottom:18px}
.buy-sec-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.buy-sec-head .bsh-no{width:24px;height:24px;border-radius:7px;background:var(--ink);color:#fff;font-family:var(--mono);font-size:12px;display:inline-flex;align-items:center;justify-content:center;flex:none}
.buy-sec-head h3{font-size:15.5px;margin:0}
.buy-sec-head .bsh-tip{margin-left:auto;font-size:12px;color:var(--muted)}
.cycle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:10px}
.cycle-card{position:relative;display:block;cursor:pointer}
.cycle-card input{position:absolute;opacity:0}
.cycle-card .cc-box{display:block;border:1px solid var(--line);border-radius:11px;padding:13px 15px;transition:.15s;background:#fff}
.cycle-card:hover .cc-box{border-color:var(--brand-line)}
.cycle-card input:checked + .cc-box{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.cycle-card .cc-label{display:block;font-size:13.5px;font-weight:700}
.cycle-card .cc-price{display:block;font-size:12.5px;color:var(--ink3);margin-top:3px}
.cycle-card .cc-off{position:absolute;top:-9px;right:10px;font-size:11px;font-weight:700;background:var(--grad);color:#fff;border-radius:99px;padding:1px 8px}
.cfg-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:15px 0;border-top:1px dashed var(--line-2);align-items:start}
.cfg-row:first-of-type{border-top:0}
.cfg-row-name{font-size:13.5px;font-weight:600;padding-top:9px}
.cfg-row-name .cfg-row-unit{display:block;font-size:11.5px;color:var(--muted);font-weight:400;margin-top:2px}
.cfg-row-ctrl{min-width:0}
.ctrl-seg{display:flex;flex-wrap:wrap;gap:8px}
.ctrl-seg label{position:relative;cursor:pointer}
.ctrl-seg input{position:absolute;opacity:0}
.ctrl-seg .seg-box{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:9px;padding:8px 14px;font-size:13px;color:var(--ink2);transition:.14s;background:#fff}
.ctrl-seg input:checked + .seg-box{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.ctrl-seg .seg-plus{font-size:11.5px;color:var(--muted)}
.cfg-select{width:100%;max-width:340px;height:40px;border:1px solid var(--line);border-radius:9px;padding:0 12px;font-size:13.5px;color:var(--ink);background:#fff;outline:none}
.cfg-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.cfg-yes{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:13.5px}
.cfg-yes input{width:17px;height:17px;accent-color:var(--brand)}
.cfg-range-wrap{display:flex;align-items:center;gap:14px;max-width:460px}
.cfg-range{flex:1;-webkit-appearance:none;appearance:none;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--brand) var(--fill,0%),#e2e8f0 var(--fill,0%));outline:none}
.cfg-range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--brand);box-shadow:0 2px 8px rgba(37,99,235,.35);cursor:grab}
.cfg-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--brand);cursor:grab}
.cfg-num-price{font-family:var(--mono);font-size:12.5px;color:var(--brand-deep);background:var(--brand-soft);border-radius:8px;padding:4px 10px;white-space:nowrap}
.opt-qty{display:flex;align-items:center;gap:10px}
.opt-qty input{width:86px;height:38px;border:1px solid var(--line);border-radius:9px;text-align:center;font-size:14px;outline:none}
.opt-qty input:focus{border-color:var(--brand)}
/* 操作系统两级下拉联动组件 */
.os-dropdown-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:14px;background:#f8fafc;border:1px solid rgba(37,99,235,.16);border-radius:12px;padding:14px 16px;box-shadow:0 2px 8px rgba(37,99,235,.03)}
.os-drop-col{min-width:0;position:relative}
.os-drop-label{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:var(--ink2);margin-bottom:7px;letter-spacing:.02em}
.os-drop-label svg{color:var(--brand)}
.os-drop-field{position:relative;display:flex;align-items:center;gap:8px}

/* 自定义操作系统选择框（带官方 SVG 图标及下拉清单） */
.fk-cselect{position:relative;width:100%}
.fk-cs-btn{display:flex;align-items:center;justify-content:space-between;width:100%;height:42px;padding:0 12px;background:#fff;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;transition:all .18s ease;font-size:13.5px;font-weight:600;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.03);user-select:none;text-align:left}
.fk-cs-btn:hover{border-color:var(--brand-line);background:#f8fafc}
.fk-cselect.is-open .fk-cs-btn{border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.14);background:#fff}
.fk-cs-lead{display:inline-flex;align-items:center;gap:10px;min-width:0}
.fk-cs-icon{width:22px;height:22px;object-fit:contain;flex-shrink:0;vertical-align:middle}
.fk-cs-name{font-weight:700;color:var(--ink);font-size:13.5px}
.fk-cs-arrow{width:18px;height:18px;color:#94a3b8;transition:transform .2s ease;flex-shrink:0}
.fk-cselect.is-open .fk-cs-arrow{transform:rotate(180deg);color:var(--brand)}

.fk-cs-dropdown{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:100;background:#fff;border:1.5px solid #dbeafe;border-radius:12px;box-shadow:0 14px 32px -4px rgba(37,99,235,.14),0 4px 12px -2px rgba(0,0,0,.06);padding:6px;display:none;max-height:260px;overflow-y:auto}
.fk-cselect.is-open .fk-cs-dropdown{display:block;animation:fkDropSlide .15s ease-out}
@keyframes fkDropSlide{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.fk-cs-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:8px;cursor:pointer;transition:all .15s ease;font-size:13.5px;color:var(--ink2);font-weight:500;user-select:none}
.fk-cs-item:hover{background:#eff6ff;color:var(--brand)}
.fk-cs-item.is-active{background:#dbeafe;color:var(--brand-deep);font-weight:700}
.fk-cs-item-lead{display:inline-flex;align-items:center;gap:10px;min-width:0}
.fk-cs-item-ico{width:20px;height:20px;object-fit:contain;flex-shrink:0}
.fk-cs-item-title{font-size:13.5px}
.fk-cs-item-check{width:16px;height:16px;color:var(--brand);display:none;flex-shrink:0}
.fk-cs-item.is-active .fk-cs-item-check{display:block}

/* 系统版本下拉项与徽章 */
.os-ver-badge{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:#f8fafc;border:1px solid #e2e8f0;color:#64748b;flex-shrink:0}
.os-ver-select{flex:1;height:42px;border-radius:10px;cursor:pointer;font-family:var(--mono);font-size:13px;font-weight:600;padding-left:12px!important}

/* 单选胶囊组（区域、线路、CPU、内存等） */
.ctrl-seg.seg-pills{gap:10px}
.seg-pill-label{position:relative;cursor:pointer;display:inline-block}
.seg-pill-label input{position:absolute;opacity:0}
.seg-pill-box{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:9px 16px;font-size:13.5px;color:var(--ink);transition:all .16s ease;background:#fff;user-select:none}
.seg-pill-box:hover{border-color:var(--brand-line);background:#f8fafc}
.seg-pill-label input:checked + .seg-pill-box{border-color:var(--brand);background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.04));color:var(--brand-deep);font-weight:700;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.seg-pill-box .opt-flag{vertical-align:middle;border-radius:2px;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.seg-pill-add{font-size:11.5px;font-family:var(--mono);color:var(--brand);background:var(--brand-soft);padding:1px 6px;border-radius:6px;font-style:normal;font-weight:600}

/* 套餐标配项徽章（无需额外付费） */
.fixed-spec-pill{display:inline-flex;align-items:center;gap:12px;padding:8px 16px;border-radius:10px;background:#f8fafc;border:1px solid #e2e8f0}
.fsp-badge{font-size:11.5px;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:4px;background:#ecfdf5;padding:2px 8px;border-radius:99px}
.fsp-value{font-size:14px;color:var(--ink);font-weight:700}
.fsp-note{font-size:12px;color:var(--muted)}

/* 自由配置滑动与加减步进器 */
.opt-qty-interactive{display:flex;flex-direction:column;gap:8px;max-width:520px}
.oqi-slider-row{display:flex;align-items:center;gap:14px}
.oqi-stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;background:#fff;overflow:hidden}
.oqi-btn{width:32px;height:36px;border:none;background:#f8fafc;color:var(--ink2);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:background .15s}
.oqi-btn:hover{background:#dbeafe;color:var(--brand)}
.oqi-stepper input{width:56px;height:36px;border:none;text-align:center;font-weight:700;font-size:13.5px;color:var(--ink);outline:none}
.oqi-unit{font-size:12.5px;color:var(--muted);font-weight:600;min-width:36px}
.oqi-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}

/* 拨动开关项 */
.fk-switch-label{display:inline-flex;align-items:center;gap:12px;cursor:pointer;user-select:none;padding:6px 0}
.fk-switch-inp{position:absolute;opacity:0}
.fk-switch-track{width:40px;height:22px;border-radius:99px;background:#e2e8f0;position:relative;transition:background .2s;display:inline-block}
.fk-switch-track i{width:18px;height:18px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.fk-switch-inp:checked + .fk-switch-track{background:var(--brand)}
.fk-switch-inp:checked + .fk-switch-track i{transform:translateX(18px)}
.fk-switch-txt{font-size:13.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.fk-switch-price{font-size:12px;color:var(--brand);background:var(--brand-soft);padding:1px 6px;border-radius:6px;font-style:normal}

/* 右侧账单配置加价明细与商品标头 */
.sum-prod-banner{background:#f8fafc;border:1px solid #dbeafe;border-radius:10px;padding:10px 12px;margin-bottom:12px}
.spb-name{font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.spb-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px}
.spb-cycle{color:var(--brand-deep);background:var(--brand-soft);padding:1.5px 8px;border-radius:99px;font-weight:600;font-size:11px}
.spb-price{font-size:12px;color:var(--ink3)}
.spb-price b{font-size:15px;font-weight:700;color:var(--ink);font-family:var(--serif);margin-left:2px}

.sum-cfg-box{margin-bottom:14px;background:#f8fafc;border:1px solid rgba(37,99,235,.16);border-radius:12px;overflow:hidden}
.sum-cfg-head{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.04));border-bottom:1px solid rgba(37,99,235,.12);font-size:12px;font-weight:700;color:var(--ink)}
.scb-title{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep)}
.scb-title svg{color:var(--brand)}
.scb-total{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-deep)}

.sum-cfg-list{padding:4px 12px;max-height:220px;overflow-y:auto;scrollbar-width:thin}
.sum-cfg-list::-webkit-scrollbar{width:4px}
.sum-cfg-list::-webkit-scrollbar-thumb{background:#bfdbfe;border-radius:4px}
.sum-cfg-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed rgba(37,99,235,.08);font-size:12px}
.sum-cfg-item:last-child{border-bottom:0}
.sci-main{display:flex;align-items:baseline;gap:6px;min-width:0;flex:1}
.sci-name{color:var(--muted);font-weight:500;white-space:nowrap;flex-shrink:0;font-size:11.5px}
.sci-name::after{content:":"}
.sci-val{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sci-price{font-family:var(--mono);font-size:11px;color:var(--muted);flex-shrink:0;white-space:nowrap}
.sci-price.is-added{color:var(--brand);background:var(--brand-soft);font-weight:700;padding:1px 6px;border-radius:4px}
.sci-price.is-fixed{color:var(--green);background:#ecfdf5;font-weight:600;padding:1px 6px;border-radius:4px;font-family:inherit;font-size:11px}

/* 右侧配置清单动态标签（兼容） */
.sum-chips-box{margin-bottom:14px;background:#f8fafc;border:1px dashed rgba(37,99,235,.25);border-radius:11px;padding:12px 14px}
.sum-chips-head{font-size:11.5px;font-weight:700;color:var(--brand-deep);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.sum-chips-list{display:flex;flex-wrap:wrap;gap:6px}
.sum-chip{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;padding:3px 9px;border-radius:6px;background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.03);line-height:1.4}
.sum-chip em{color:var(--muted);font-style:normal;margin-right:2px}

/* ---------- 结算卡 ---------- */
.side-sum,.buy-sum{position:sticky;top:calc(var(--nav-h) + 14px);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}
.sum-title{font-size:15.5px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.sum-title svg{color:var(--brand)}
.sum-qty-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.sum-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink2);padding:6px 0}
.sum-row b{color:var(--ink)}
.sum-discount{color:var(--green)}
.sum-total{border-top:1px dashed var(--line);margin-top:10px;padding-top:14px;display:flex;justify-content:space-between;align-items:baseline}
.sum-total span{font-size:13px;color:var(--ink3)}
.sum-total .st-num{font-family:var(--serif);font-size:30px;letter-spacing:-.02em}
.sum-total small{font-size:12px;color:var(--ink3)}
.buy-tip{display:none;margin-top:12px;font-size:12.5px;color:var(--red);background:var(--red-bg);border-radius:8px;padding:9px 12px}
.buy-tip.show{display:block}
.member-pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;color:var(--brand-deep);background:var(--brand-soft2);border:1px dashed var(--brand-line);border-radius:99px;padding:2px 10px}

/* ---------- 购物车 / 结算通用 ---------- */
.ct-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.ct-item{display:flex;align-items:center;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line2);flex-wrap:wrap}
.ct-item:last-child{border-bottom:0}
.ct-info{flex:1;min-width:200px}
.ct-name{font-size:14.5px;font-weight:700}
.ct-meta{font-size:12.5px;color:var(--ink3);margin-top:4px;line-height:1.7}
.qty-box{display:flex;align-items:center;gap:6px}
.qty-box button{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);background:#fff;font-size:15px;cursor:pointer;color:var(--ink2);transition:.14s}
.qty-box button:hover{border-color:var(--brand-line);color:var(--brand)}
.qty-box input{width:60px;height:32px;border:1px solid var(--line);border-radius:8px;text-align:center;font-size:13.5px;outline:none}
.qty-box input:focus{border-color:var(--brand)}
.ct-sub{width:104px;text-align:right}
.ct-sub b{font-family:var(--serif);font-size:17px}
.ct-del{border:0;background:none;color:var(--muted);cursor:pointer;font-size:13px;padding:6px;border-radius:7px}
.ct-del:hover{color:var(--red);background:var(--red-bg)}
.pay-list{display:grid;gap:10px}
.pay-item{position:relative;cursor:pointer}
.pay-item input{position:absolute;opacity:0}
.pay-item .pay-box{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:11px;padding:13px 16px;transition:.15s;background:#fff}
.pay-item input:checked + .pay-box{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.pay-item .pay-box img{height:22px}
.pay-item .pay-name{font-weight:600;font-size:14px}
.pay-item .pay-extra{margin-left:auto;font-size:12.5px;color:var(--ink3)}
.promo-tip{display:none;font-size:12.5px;margin-top:8px}
.promo-tip.ok{display:block;color:var(--green)}
.promo-tip.bad{display:block;color:var(--red)}
.empty-box{text-align:center;padding:80px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg)}
.empty-box svg{color:var(--brand-line);margin-bottom:12px}
.empty-box p{color:var(--muted);margin:0 0 18px}

/* ---------- 页脚 ---------- */
.cart-footer{border-top:1px solid var(--line-2);background:var(--bg-soft);padding:22px 0;margin-top:20px}
.cart-footer .container{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--ink3)}
.cart-footer a{color:var(--ink3)}
.cart-footer a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media(max-width:1280px){.grid-main{grid-template-columns:repeat(2,1fr)}}
@media(max-width:992px){
  .store-wrap,.flow-grid{grid-template-columns:1fr !important}
  .side-panel{display:none !important}
  .side-sum,.buy-sum{position:static}
  .sp-body{max-height:360px}
  .os-picker, .os-dropdown-grid{grid-template-columns:1fr}
}
@media(max-width:900px){.grid-main{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){
  .grid-main{grid-template-columns:1fr}
  .container{padding:0 14px}
  .cfg-row{grid-template-columns:1fr;gap:8px}
  .buy-hero .bh-price{margin-left:0;text-align:left}
  .cart-footer .container{justify-content:center;text-align:center}
  /* 移动端购物车与结算适配 */
  .ct-panel{border-radius:14px}
  .ct-item{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;padding:14px}
  .ct-info{width:100%;flex:0 0 100%;min-width:0}
  .qty-box{order:2;flex:none}
  .qty-box button{width:28px;height:28px;font-size:14px}
  .qty-box input{width:46px;height:28px;font-size:13px}
  .ct-qty-tag{order:2;flex:none;font-size:13px;color:var(--ink3)}
  .ct-sub{order:3;width:auto;margin-left:auto;text-align:right}
  .ct-sub b{font-size:16px;color:var(--brand)}
  .ct-del{order:4;margin-left:8px;font-size:12px;padding:5px 9px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;color:#64748b}
  .ct-del:hover{color:#ef4444;background:#fef2f2;border-color:#fecaca}
  .side-sum,.buy-sum{padding:16px;border-radius:14px}
  .crumb-bar{height:50px;position:relative;top:0}
  .crumb-bar .cb-title{font-size:13.5px}
  .empty-box{padding:46px 16px;border-radius:16px}
  .pay-item .pay-box{padding:11px 12px;gap:8px}
  .pay-item .pay-name{font-size:13.5px}
  .pay-item .pay-extra{font-size:11.5px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
@media(max-width:560px){
  .grid-main{grid-template-columns:1fr}
  .cycle-grid{grid-template-columns:repeat(2,1fr)}
}
/* ==================== 共享顶栏组件（与 web 主题 nav.php 同步，勿删） ==================== */
.topbar-wrap{position:sticky;top:0;z-index:900}
.topbar{background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid #e2e8f0;position:relative}
.nav-inner{display:flex;align-items:center;gap:26px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:#0f172a;font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand:hover{color:#0f172a}
.brand-logo-img{max-height:38px;width:auto;display:block}
.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(96deg,#2563eb,#06b6d4);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-family:Georgia,"Times New Roman",serif}
.nav-burger{display:none;width:40px;height:40px;border:1px solid #e2e8f0;background:#fff;border-radius:9px;cursor:pointer;padding:10px 9px;flex-direction:column;justify-content:space-between}
.nav-burger span{display:block;height:2px;background:#0f172a;border-radius:2px;transition:.2s}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-menu>a,.nm-toggle{display:inline-flex;align-items:center;gap:5px;padding:8px 13px;border-radius:8px;font-size:14.5px;font-weight:500;color:#334155;cursor:pointer;white-space:nowrap;text-decoration:none}
.nav-menu>a:hover,.nm-toggle:hover{color:#2563eb;background:#eff6ff}
.nav-menu>a.on{color:#2563eb;font-weight:600}
.dd-caret{opacity:.55;transition:.2s}
.nav-drop{position:relative}
.nav-drop-cat{position:static}
.nav-drop-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:208px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 24px 60px -24px rgba(15,23,42,.28);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:60}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu,.nav-drop.open .nav-drop-menu{opacity:1;visibility:visible;transform:none}
.nav-drop:hover .dd-caret,.nav-drop.open .dd-caret{transform:rotate(180deg)}
.nd-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:#334155;font-size:14px}
.nd-item:hover{background:#eff6ff;color:#2563eb}
.nav-right{display:flex;align-items:center;gap:10px;flex:none;margin-left:auto}
.nav-user{display:flex;align-items:center;gap:9px;padding:5px 12px 5px 5px;border:1px solid #e2e8f0;border-radius:99px;background:#fff;cursor:pointer;position:relative;color:#0f172a}
.nav-user:hover{border-color:#bfdbfe}
.nav-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(96deg,#2563eb,#06b6d4);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;overflow:hidden;flex:none}
.nav-avatar img{width:100%;height:100%;object-fit:cover}
.nav-user b{font-size:13.5px;font-weight:600;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 公告条 */
.announce-bar{background:#0f172a;color:#e9e3fb;font-size:13px;position:relative;z-index:20}
.announce-bar .container{display:flex;align-items:center;gap:12px;height:38px;overflow:hidden}
.announce-bar .ab-tag{flex:none;display:inline-flex;align-items:center;gap:6px;font-family:ui-monospace,Consolas,monospace;font-size:11px;letter-spacing:.14em;color:#bae6fd;text-transform:uppercase}
.announce-bar .ab-tag i{width:7px;height:7px;border-radius:50%;background:#38bdf8;box-shadow:0 0 0 4px rgba(56,189,248,.22);animation:fkAbPulse 1.6s infinite}
@keyframes fkAbPulse{50%{box-shadow:0 0 0 7px rgba(56,189,248,.05)}}
.ab-track{flex:1;position:relative;height:38px;overflow:hidden;min-width:0}
.ab-item{position:absolute;inset:0;display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateY(100%);transition:.45s}
.ab-item.on{opacity:1;transform:none}
.ab-item a{color:#fff}
.ab-item time{color:#94a3b8;font-family:ui-monospace,Consolas,monospace;font-size:11.5px}
/* 商品目录 Mega */
.nav-mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 30px 60px -30px rgba(33,26,51,.25);padding:0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:80;max-height:calc(100vh - 75px);display:flex;flex-direction:column}
.nav-drop:hover>.nav-mega,.nav-drop.open>.nav-mega,.nav-drop:focus-within>.nav-mega{opacity:1;visibility:visible;transform:none}
.nm-body{display:grid;grid-template-columns:220px 230px 1fr;height:min(520px,calc(100vh - 145px));max-height:min(520px,calc(100vh - 145px));min-height:280px;overflow:hidden;background:#fff}
.nm-col{padding:14px 8px 12px;border-right:1px solid #f1f5f9;height:100%;max-height:100%;min-height:0;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#bfdbfe transparent}
.nm-col::-webkit-scrollbar{width:5px}
.nm-col::-webkit-scrollbar-thumb{background:#bfdbfe;border-radius:5px}
.nm-col::-webkit-scrollbar-track{background:transparent}
.nm-col:last-child{border-right:0}
.nm-hd{font-family:ui-monospace,Consolas,monospace;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#94a3b8;padding:2px 12px 10px;margin-bottom:4px;border-bottom:1px solid #f8f6fc;position:sticky;top:-14px;background:inherit;z-index:3}
.nm-col.nm-l3{padding:14px 12px 12px;background:#f8fafc}
.nm-col.nm-l3 .nm-hd{background:#f8fafc}
.nm-col.nm-l3 .nm-pane{flex:1;min-height:0}
.nm-item{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:8px;font-size:14px;color:#334155;cursor:pointer;text-decoration:none}
.nm-item:hover{background:#eff6ff;color:#2563eb}
.nm-item .nm-txt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nm-item .nm-count{font-style:normal;font-family:ui-monospace,Consolas,monospace;font-size:11px;color:#94a3b8;background:#f8fafc;border:1px solid #f1f5f9;border-radius:20px;padding:0 7px;line-height:18px}
.nm-item .nm-arrow{font-style:normal;color:#94a3b8}
.nm-pane{display:none}
.nm-pane.on{display:block}
.nm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:6px;padding:2px 2px 16px}
.nm-prod{display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:9px;font-size:13px;color:#334155;background:#fff;border:1px solid #ede8f7;transition:all .15s ease;min-width:0;text-decoration:none;box-shadow:0 1px 2px rgba(33,26,51,.02)}
.nm-prod:hover{background:#eff6ff;border-color:#93c5fd;color:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px -2px rgba(37,99,235,.12)}
.nm-prod-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.nm-prod span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nm-prod.is-soldout{opacity:.62;cursor:not-allowed !important;background:#f8fafc;border-color:#e2e8f0;box-shadow:none}
.nm-prod.is-soldout:hover{transform:none;box-shadow:none;background:#f1f5f9;border-color:#e2e8f0;color:#64748b}
.nm-prod.is-soldout .nm-prod-name{color:#64748b}
.nm-prod.is-soldout *{cursor:not-allowed !important}
.nm-sold-tag{display:inline-flex;align-items:center;justify-content:center;font-size:10.5px;line-height:1;font-weight:700;padding:2px 6px;border-radius:4px;background:#fee2e2;color:#ef4444;flex-shrink:0;margin-left:auto;letter-spacing:.02em;border:1px solid rgba(239,68,68,.18)}
.nm-prod .nm-count{font-style:normal;margin-left:auto;font-family:ui-monospace,Consolas,monospace;font-size:11px;color:#94a3b8;flex-shrink:0}
.nm-flag{width:18px;height:13px;border-radius:2.5px;object-fit:cover;box-shadow:0 0 0 1px rgba(33,26,51,.12);flex-shrink:0}
.nm-ft{flex:none;display:flex;align-items:center;justify-content:space-between;padding:12px 22px;border-top:1px solid #f1f5f9;font-size:13px;color:#64748b;background:#f8fafc;border-radius:0 0 16px 16px}
.nm-ft a{font-weight:600}
/* 手机底部导航 */
.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:920;background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid #e2e8f0;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.bottom-nav ul{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:0;padding:0}
.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:5px 0;font-size:11px;color:#94a3b8;border-radius:10px}
.bottom-nav a.on{color:#2563eb;font-weight:600}
.bottom-nav svg{width:21px;height:21px}
/* 共享组件响应式 */
@media(max-width:820px){
  .nav-burger{display:flex}
  .nav-menu{position:fixed;inset:66px 0 auto 0;background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 24px 60px -24px rgba(15,23,42,.28);flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;display:none;max-height:calc(100vh - 66px);overflow:auto;z-index:80}
  .topbar.nav-open .nav-menu{display:flex}
  .topbar.nav-open .nav-burger span:nth-child(1){transform:translateY(9px) rotate(45deg)}
  .topbar.nav-open .nav-burger span:nth-child(2){opacity:0}
  .topbar.nav-open .nav-burger span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
  .nav-menu>a,.nm-toggle{padding:12px 10px;border-radius:9px}
  .nav-drop-menu,.nav-mega{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 12px;display:none;min-width:0}
  .nav-drop.open .nav-drop-menu,.nav-drop.open .nav-mega{display:block}
  .nav-drop-cat .nav-mega{display:none !important}
  .nav-drop-cat .dd-caret{display:none !important}
  .nm-body{grid-template-columns:1fr;max-height:none;min-height:0}
  .nm-col{border-right:0;border-top:1px dashed #e2e8f0;min-height:0;padding:12px 4px}
  .nm-pane{display:block;margin-bottom:6px}
  .nm-grid{grid-template-columns:1fr}
  .nm-ft{border-radius:0}
}
@media(max-width:680px){
  .bottom-nav{display:block}
  body{padding-bottom:70px}
}