/* ============================================================
 * 惠购优选 · 前台样式 v2.1（大厂设计体系）
 * 设计语言：白底灰阶 + 阿里橙渐变强调、大圆角、柔和层级阴影、
 *           克制动效、44px 触控目标、移动端优先
 * ========================================================== */
:root{
  /* 色彩令牌 */
  --bg:#F6F7F9;
  --surface:#FFFFFF;
  --surface-2:#FBFBFD;
  --ink:#17181C;
  --ink-2:#565D68;
  --ink-3:#9AA0A8;
  --line:#ECEEF1;
  --line-2:#E2E5EA;

  --brand:#FF5000;
  --brand-2:#FF7A1A;
  --brand-soft:#FFF3EA;
  --brand-ink:#C24A00;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#FF5000 100%);

  --ok:#18A058; --ok-soft:#E9F7EF; --ok-ink:#147A43;
  --warn:#B25E00; --warn-soft:#FFF7E8; --warn-ink:#8A4A00;
  --danger:#E5484D; --danger-soft:#FDEBEC; --danger-ink:#C4373C;

  /* 形状 / 阴影 */
  --r-sm:10px; --r:14px; --r-lg:18px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04);
  --shadow-md:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.08);
  --shadow-lg:0 2px 4px rgba(16,24,40,.05),0 16px 40px rgba(16,24,40,.12);

  /* 字体 */
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(255,80,0,.18);}
/* 移动端触控：去除默认点击高亮、控制橡皮筋、按压反馈 */
button,a,input{-webkit-tap-highlight-color:transparent;}
html,body{overscroll-behavior-y:contain;}
body{touch-action:pan-y;}
.card:active{transform:scale(.985);}
.icon{width:20px;height:20px;flex:none;display:block;}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-size:14px;}
.skip-link:focus{left:0;}

/* ==================== 顶栏 ==================== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line);}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:18px;height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand .logo{width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;box-shadow:0 4px 12px rgba(255,80,0,.32);}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:2px;flex-wrap:wrap;}
.main-nav a{position:relative;padding:8px 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--ink-2);font-weight:500;transition:color .16s,background .16s;}
.main-nav a:hover{color:var(--ink);background:var(--surface-2);}
.main-nav a[aria-current="true"]{color:var(--brand);font-weight:700;background:var(--brand-soft);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:8px;}
.admin-link{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:var(--r-pill);font-size:13.5px;color:var(--ink-2);border:1px solid var(--line-2);transition:.16s;background:var(--surface);}
.admin-link:hover{color:var(--brand);border-color:var(--brand);box-shadow:var(--shadow-sm);}
.admin-link .icon{width:16px;height:16px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);align-items:center;justify-content:center;transition:background .16s;}
.nav-toggle:hover{background:var(--surface-2);}

/* ==================== Hero ==================== */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.hero-glow{position:absolute;inset:auto -10% -120px -10%;height:300px;background:radial-gradient(closest-side,rgba(255,80,0,.13),transparent 72%);pointer-events:none;}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:48px 20px 36px;text-align:center;}
.hero-title{font-size:30px;font-weight:800;letter-spacing:.3px;line-height:1.3;display:flex;align-items:baseline;justify-content:center;gap:10px;flex-wrap:wrap;}
.hero-tag{font-style:normal;color:var(--brand);}
.hero-sub{color:var(--ink-2);margin-top:10px;font-size:14.5px;}
.search-box{max-width:680px;margin:28px auto 0;display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--line-2);border-radius:var(--r-lg);padding:7px 8px 7px 18px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,80,0,.12),var(--shadow-md);}
.search-box .icon{color:var(--ink-3);}
.search-box input{flex:1;border:none;outline:none;font-size:16px;min-width:0;background:transparent;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input::-webkit-search-cancel-button{-webkit-appearance:none;}
.search-box button{height:46px;padding:0 30px;border-radius:12px;background:var(--grad);color:#fff;font-size:15.5px;font-weight:700;letter-spacing:1px;transition:transform .12s,box-shadow .16s,filter .16s;box-shadow:0 6px 16px rgba(255,80,0,.30);}
.search-box button:hover{filter:brightness(1.06);box-shadow:0 8px 20px rgba(255,80,0,.38);}
.search-box button:active{transform:scale(.97);}
.hot-words{max-width:680px;margin:18px auto 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
.hot-words .hw{padding:7px 15px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:.16s;}
.hot-words .hw:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);transform:translateY(-1px);}

/* ==================== 模式提示条 ==================== */
.mode-bar{background:var(--warn-soft);border-bottom:1px solid rgba(178,94,0,.16);}
.mode-inner{max-width:var(--maxw);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13.5px;color:var(--warn-ink);}
.mode-inner .micon{width:18px;height:18px;flex:none;}
.mode-inner .tag{background:var(--warn);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:7px;letter-spacing:.5px;flex:none;box-shadow:0 2px 6px rgba(178,94,0,.28);}
.mode-inner.real{background:var(--ok-soft);border-bottom-color:rgba(24,160,88,.18);color:var(--ok-ink);}
.mode-inner.real .tag{background:var(--ok);box-shadow:0 2px 6px rgba(24,160,88,.28);}
.mode-inner.unconfigured{background:var(--danger-soft);border-bottom-color:rgba(229,72,77,.16);color:var(--danger-ink);}
.mode-inner.unconfigured .tag{background:var(--danger);box-shadow:0 2px 6px rgba(229,72,77,.28);}
.mode-inner button{margin-left:auto;color:var(--brand);font-size:13.5px;font-weight:700;padding:7px 14px;border-radius:var(--r-sm);border:1px solid currentColor;transition:.16s;flex:none;}
.mode-inner button:hover{background:var(--brand);color:#fff;}

/* ==================== 分类 ==================== */
.cat-bar{max-width:var(--maxw);margin:18px auto 0;padding:0 20px;}
.cat-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;-ms-overflow-style:none;}
.cat-list::-webkit-scrollbar{display:none;}
.cat-list .cat{flex:none;padding:9px 18px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line);font-size:14px;color:var(--ink-2);transition:.16s;font-weight:500;}
.cat-list .cat:hover{border-color:var(--brand);color:var(--brand);}
.cat-list .cat.on{background:var(--grad);border-color:transparent;color:#fff;font-weight:700;box-shadow:0 4px 12px rgba(255,80,0,.28);}

/* ==================== 工具条 ==================== */
.toolbar{max-width:var(--maxw);margin:14px auto 0;padding:0 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.sort-tabs{display:flex;align-items:center;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px;box-shadow:var(--shadow-sm);}
.sort-tabs .st{padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;color:var(--ink-2);transition:.16s;white-space:nowrap;font-weight:500;}
.sort-tabs .st:hover{color:var(--ink);}
.sort-tabs .st.on{background:var(--grad);color:#fff;font-weight:700;box-shadow:0 2px 8px rgba(255,80,0,.26);}
.status{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-3);}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(24,160,88,.4);}
.status .dot.refreshing{animation:ripple 1s ease-out infinite;}
@keyframes ripple{0%{box-shadow:0 0 0 0 rgba(24,160,88,.45);}100%{box-shadow:0 0 0 8px rgba(24,160,88,0);}}
.status button{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--brand);padding:6px 14px;border:1px solid var(--brand);border-radius:var(--r-pill);transition:.16s;font-weight:600;}
.status button .icon{width:15px;height:15px;}
.status button:hover{background:var(--brand);color:#fff;}

/* ==================== 商品网格 ==================== */
.goods{max-width:var(--maxw);margin:16px auto 0;padding:0 20px;}
.goods-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;}
.card{background:var(--surface);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;position:relative;animation:cardIn .35s ease both;}
.card:nth-child(n+9){animation-delay:.02s;}
@keyframes cardIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.card .thumb{position:relative;aspect-ratio:1/1;overflow:hidden;background:linear-gradient(135deg,#F3F4F6,#EDEEF1);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.card:hover .thumb img{transform:scale(1.06);}
.card .coupon-badge{position:absolute;left:10px;top:10px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:800;padding:4px 10px;border-radius:9px;letter-spacing:.3px;box-shadow:0 4px 12px rgba(255,80,0,.4);display:flex;align-items:center;gap:3px;}
.card .sale-tag{position:absolute;right:10px;top:10px;background:rgba(15,17,20,.58);color:#fff;font-size:11px;font-weight:500;padding:3px 9px;border-radius:7px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);}
.card .body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:9px;flex:1;}
.card .title{font-size:14px;font-weight:500;line-height:1.45;height:2.9em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.card .shop{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.card .shop svg{width:12px;height:12px;flex:none;}
.card .price-row{display:flex;align-items:baseline;gap:7px;flex-wrap:wrap;}
.card .price{font-size:23px;font-weight:800;color:var(--brand);letter-spacing:-.3px;}
.card .price small{font-size:13px;font-weight:700;margin-right:1px;}
.card .orig{font-size:12px;color:var(--ink-3);font-weight:400;text-decoration:line-through;}
.card .meta{display:flex;justify-content:space-between;align-items:center;gap:6px;}
.card .chip{font-size:11.5px;padding:3px 8px;border-radius:6px;font-weight:600;}
.card .chip.save{background:var(--brand-soft);color:var(--brand-ink);}
.card .chip.comm{background:var(--ok-soft);color:var(--ok-ink);}
.card .btn-buy{margin-top:2px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:7px;transition:transform .12s,box-shadow .16s,filter .16s;box-shadow:0 4px 12px rgba(255,80,0,.26);}
.card .btn-buy .icon{width:17px;height:17px;}
.card .btn-buy:hover{filter:brightness(1.06);box-shadow:0 6px 16px rgba(255,80,0,.34);}
.card .btn-buy:active{transform:scale(.98);}
.card.sample::after{content:'示例';position:absolute;left:10px;bottom:12px;background:rgba(66,80,100,.72);color:#fff;font-size:11px;font-weight:600;padding:3px 9px;border-radius:7px;backdrop-filter:blur(4px);}

/* ==================== 骨架屏 ==================== */
.skeleton{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--line);overflow:hidden;}
.skeleton .sk-thumb{aspect-ratio:1/1;background:linear-gradient(90deg,#F0F1F4 25%,#F8F9FA 37%,#F0F1F4 63%);background-size:400% 100%;animation:shimmer 1.3s infinite linear;}
.skeleton .sk-body{padding:14px;}
.skeleton .sk-line{height:13px;border-radius:7px;margin-bottom:10px;background:linear-gradient(90deg,#F0F1F4 25%,#F8F9FA 37%,#F0F1F4 63%);background-size:400% 100%;animation:shimmer 1.3s infinite linear;}
.skeleton .sk-line.w60{width:60%;}
.skeleton .sk-line.w40{width:40%;margin-bottom:2px;}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:-100% 0;}}

/* ==================== 空态 / 状态面板 ==================== */
.panel-empty{padding:56px 20px 44px;text-align:center;}
.panel-empty .em{width:84px;height:84px;margin:0 auto;border-radius:26px;background:var(--surface-2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-3);}
.panel-empty .em .icon{width:40px;height:40px;}
.panel-empty .big{margin-top:18px;font-size:18px;font-weight:700;}
.panel-empty p{margin-top:6px;font-size:14px;color:var(--ink-2);}
.panel-empty .actions{margin-top:22px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn{height:44px;padding:0 28px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;transition:.16s;display:inline-flex;align-items:center;justify-content:center;gap:7px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,80,0,.28);}
.btn-primary:hover{filter:brightness(1.06);}
.btn-ghost{background:var(--surface);border:1px solid var(--line-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.panel-empty .note{margin-top:14px;font-size:12.5px;color:var(--ink-3);}

/* ==================== 加载更多 ==================== */
.load-wrap{max-width:var(--maxw);margin:24px auto 48px;padding:0 20px;text-align:center;}
.load-wrap button{height:46px;padding:0 42px;border-radius:var(--r-pill);background:var(--surface);border:1px solid var(--line-2);font-size:15px;color:var(--ink);transition:.16s;font-weight:600;box-shadow:var(--shadow-sm);}
.load-wrap button:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.load-wrap button:disabled{opacity:.5;cursor:default;transform:none;}
.end-tip{display:inline-flex;align-items:center;gap:6px;color:var(--ink-3);font-size:13px;}
.end-tip .icon{width:16px;height:16px;color:var(--ok);}

/* ==================== 返回顶部 ==================== */
.back-top{position:fixed;right:22px;bottom:26px;z-index:90;width:46px;height:46px;border-radius:50%;background:var(--surface);border:1px solid var(--line-2);color:var(--ink-2);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:.2s;opacity:.95;}
.back-top:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.back-top .icon{width:20px;height:20px;}
@media (max-width:560px){.back-top{right:14px;bottom:16px;}}

/* ==================== 页脚 ==================== */
.site-footer{border-top:1px solid var(--line);background:var(--surface);margin-top:24px;}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:36px 20px 30px;}
.footer-cols{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between;}
.footer-brand{max-width:340px;}
.fb-head{display:flex;align-items:center;gap:9px;margin-bottom:12px;}
.fb-head .logo{width:30px;height:30px;border-radius:9px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;}
.fb-head span{font-size:17px;font-weight:800;}
.footer-brand p{font-size:13px;color:var(--ink-2);line-height:1.9;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:12px;}
.footer-col ul{list-style:none;}
.footer-col li{font-size:13px;color:var(--ink-2);line-height:2.3;}
.footer-col ul li a{transition:.15s;}
.footer-col ul li a:hover{color:var(--brand);}
.footer-beian{margin-top:26px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:6px;align-items:center;font-size:12.5px;color:var(--ink-3);text-align:center;}
.footer-beian a:hover{color:var(--brand);}

/* ==================== Toast ==================== */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);background:rgba(23,24,28,.94);color:#fff;font-size:13.5px;padding:12px 22px;border-radius:var(--r-pill);z-index:150;max-width:90%;text-align:center;box-shadow:0 12px 32px rgba(0,0,0,.28);animation:toastIn .25s ease;}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px);}to{opacity:1;transform:translate(-50%,0);}}

/* ==================== 移动端下拉刷新 ==================== */
.ptr{position:fixed;top:0;left:50%;transform:translate(-50%,-100%);z-index:130;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;box-shadow:var(--shadow-md);font-size:13px;color:var(--ink-2);opacity:0;will-change:transform;}
.ptr[hidden]{display:none;}
.ptr-spinner{width:16px;height:16px;flex:none;border:2px solid var(--line-2);border-top-color:var(--brand);border-radius:50%;transition:transform .2s;}
.ptr.ready .ptr-spinner{transform:rotate(180deg);}
.ptr.loading .ptr-spinner{animation:ptrSpin .7s linear infinite;}
@keyframes ptrSpin{to{transform:rotate(360deg);}}

/* ==================== 移动端底部导航（仅移动端显示） ==================== */
.tab-bar{display:none;}

/* ==================== 移动端 ==================== */
@media (max-width:900px){
  .goods-grid{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px;}
}
@media (max-width:720px){
  .header-inner{height:56px;padding:8px 14px;}
  .brand-name{font-size:17px;}
  .nav-toggle{display:flex;}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);flex-direction:column;align-items:stretch;gap:2px;padding:10px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);}
  .main-nav.open{display:flex;animation:navIn .18s ease;}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
  .main-nav a{padding:13px 12px;border-radius:var(--r-sm);font-size:15px;}
  .main-nav a[aria-current="true"]{background:var(--brand-soft);}
  .admin-link span{display:none;}
  .admin-link{width:44px;height:44px;padding:0;justify-content:center;border:none;}
  .admin-link .icon{width:20px;height:20px;}
  .hero-inner{padding:36px 14px 28px;}
  .hero-title{font-size:23px;}
  .search-box{padding:6px 6px 6px 14px;border-radius:14px;}
  .search-box button{padding:0 20px;height:44px;font-size:15px;}
  .hot-words .hw{padding:6px 13px;font-size:12.5px;}
  .cat-bar,.toolbar,.goods,.load-wrap{padding-left:14px;padding-right:14px;}
  .goods-grid{grid-template-columns:repeat(2,1fr);gap:10px;}
  .card .body{padding:12px 12px 14px;gap:8px;}
  .card .title{font-size:13.5px;}
  .card .price{font-size:20px;}
  .card .btn-buy{height:40px;font-size:13.5px;border-radius:11px;}
  .status{width:100%;justify-content:flex-start;margin-top:2px;}
  .sort-tabs{max-width:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
  .sort-tabs::-webkit-scrollbar{display:none;}
  .sort-tabs .st{padding:9px 16px;flex:none;}
  .card .btn-buy{height:44px;font-size:14px;}
  .footer-cols{gap:24px;}
  .footer-inner{padding:30px 14px 26px;}

  /* 移动端底部导航 + 安全区适配 */
  .tab-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.92);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(16,24,40,.06);}
  .tab-bar a{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink-3);font-size:11px;font-weight:500;-webkit-tap-highlight-color:transparent;}
  .tab-bar a .icon{width:22px;height:22px;}
  .tab-bar a span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
  .tab-bar a[aria-current="true"]{color:var(--brand);font-weight:700;}
  .tab-bar a:active{color:var(--brand);transform:scale(.96);}
  body{padding-bottom:calc(74px + env(safe-area-inset-bottom));}
  .back-top{bottom:calc(78px + env(safe-area-inset-bottom));}
  .toast{bottom:calc(90px + env(safe-area-inset-bottom));}
}
@media (max-width:380px){
  .goods-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* ---- v2.3.0 广告合规：商品卡片「广告」标识（互联网广告可识别性） ---- */
.chip.ad{background:#EEF0F3;color:#8A9099;font-weight:600;letter-spacing:.5px;}