:root{
  --ink:#18181A;--sub:#55555C;--line:#E6E6EA;--bg:#FFFFFF;--soft:#F7F7F8;
  --yellow:#FFB319;--yellow-soft:#FFD47A;--blue:#2A74DB;
  --head:"Avenir Next","PingFang SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  --body:Helvetica,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--body);overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--head);font-weight:700;letter-spacing:-.01em;margin:0;line-height:1.2}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.top{height:64px;background:var(--bg);position:relative;z-index:20}
.top .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;max-width:1280px;padding:0 28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 20px/1 var(--head);letter-spacing:-.01em}
.brand img{width:40px;height:40px}
.nav{display:flex;align-items:center;gap:28px}
.nav a,.nav button{background:none;border:0;padding:0;text-decoration:none;font-size:15px;line-height:1}
.nav a:hover,.nav button:hover{text-decoration:underline}
.menu-btn{display:none!important;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px;stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}
.menu-pop{display:none;position:absolute;right:16px;top:58px;background:var(--bg);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 28px rgba(24,24,26,.12);padding:8px;min-width:160px}
.menu-pop.open{display:block}
.menu-pop a,.menu-pop button{display:flex;align-items:center;width:100%;height:44px;padding:0 14px;border:0;background:none;text-align:left;text-decoration:none;font-size:15px;border-radius:12px}
.menu-pop a:hover,.menu-pop button:hover{background:var(--soft)}
@media(max-width:700px){
  .top .wrap{padding:0 16px}
  .nav{gap:6px}
  .nav .hide-m{display:none}
  .nav a.keep{padding:10px 8px}
  .menu-btn{display:inline-flex!important}
}

/* 标题区 */
.hero{text-align:center;padding-top:72px;padding-bottom:40px}
.hero h1{font-size:60px}
.hero p{max-width:620px;margin:22px auto 0;font-size:16px;color:var(--ink)}
.hero.sm{padding-top:56px;padding-bottom:32px}
.hero.sm h1{font-size:46px}
@media(max-width:700px){
  .hero{padding-top:40px;padding-bottom:28px}
  .hero h1{font-size:40px}
  .hero.sm h1{font-size:36px}
}

/* 胶囊切换组 */
.segs{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin:0 auto}
.seg{display:inline-flex;align-items:center;gap:2px;padding:4px;background:var(--bg);border:1px solid var(--line);border-radius:999px;box-shadow:0 2px 10px rgba(24,24,26,.06);max-width:100%;overflow-x:auto;scrollbar-width:none}
.seg::-webkit-scrollbar{display:none}
.seg button{flex:none;height:36px;padding:0 18px;border:0;border-radius:999px;background:transparent;font-size:14px;line-height:1;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.seg button:hover{background:var(--soft)}
.seg.a button.on{background:var(--yellow);color:var(--ink)}
.seg.b button.on{background:var(--ink);color:#fff}
@media(max-width:700px){.segs{flex-direction:column}}

/* 黄色带 */
.band{position:relative;overflow:hidden;margin-top:28px;padding:20px 0 120px;
  background:linear-gradient(var(--yellow),var(--yellow)) no-repeat 0 270px/100% 100%}
.band::after{content:"";position:absolute;left:-4%;width:108%;height:200px;bottom:-130px;border-radius:50%;background:var(--bg)}
.notice{position:relative;z-index:1;max-width:1060px;margin:48px auto 0;background:var(--yellow-soft);border-radius:20px;padding:26px 24px;text-align:center;font-size:16px;line-height:1.7}
.notice p{margin:0}
.notice a{text-decoration:underline}
.band .wrap{position:relative;z-index:1}
@media(max-width:700px){.notice{margin-top:32px;padding:20px 16px;font-size:14px;border-radius:18px;max-width:calc(100% - 32px)}}

/* 商品卡 */
.cards{display:grid;grid-template-columns:repeat(auto-fit,252px);justify-content:center;column-gap:20px;row-gap:0;max-width:1068px;margin:0 auto}
.cards.left{justify-content:start;grid-template-columns:repeat(auto-fill,252px)}
.cards.fade{animation:fade .15s ease-out}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media(max-width:1099px){.cards,.cards.left{max-width:524px}}
@media(max-width:599px){.cards,.cards.left{grid-template-columns:minmax(0,1fr);max-width:none;justify-content:stretch}}
.pc{position:relative;background:var(--bg);border:1.5px solid var(--line);border-radius:28px;box-shadow:0 6px 24px rgba(24,24,26,.06);
  padding:28px 22px 22px;margin-bottom:20px;text-align:center;
  grid-row:span 7;display:grid;grid-template-rows:subgrid;min-width:0}
.pc.hot{border:2px solid var(--blue);padding:27.5px 21.5px 21.5px}
.pc.out>*:not(.badge){opacity:.55}
.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);height:28px;padding:0 14px;border-radius:999px;background:var(--blue);color:#fff;font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;white-space:nowrap}
.c-name{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px}
.c-name h3{font-size:28px;font-weight:600;line-height:1.2}
.c-name h3.long{font-size:22px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pill-out{display:inline-flex;align-items:center;justify-content:center;height:24px;padding:0 12px;border:1px solid var(--sub);border-radius:999px;color:var(--sub);font-size:12px;line-height:1}
.c-sub{margin:6px 0 0;color:var(--sub);font-size:14px;line-height:1.5;display:flex;align-items:flex-start;justify-content:center}
.c-art{position:relative;height:110px;margin:10px -4px 0}
.c-art svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.c-art img{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:16px;object-fit:cover}
.c-price{margin-top:22px;display:flex;align-items:baseline;justify-content:center;gap:4px;font-family:var(--head);white-space:nowrap}
.c-price b{font-size:48px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.c-price span{font-size:20px;color:var(--sub);font-weight:400}
.c-note{margin:4px 0 0;font-size:13px;color:var(--sub)}
.c-list{list-style:disc;margin:18px 0 0;padding:0 0 0 18px;text-align:left;font-size:14px;line-height:1.6}
.c-list li{margin:0 0 6px;padding-left:2px}
.c-more{align-self:start;justify-self:start;margin-top:4px;font-size:14px;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center}
.c-more:hover{text-decoration:underline}
.c-btn{margin-top:18px;align-self:end}
.btn{display:flex;align-items:center;justify-content:center;width:100%;height:44px;border:0;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;line-height:1;text-decoration:none}
.btn:hover{opacity:.88}
.pc.hot .btn{background:var(--blue)}
.btn[disabled],.pc.out .btn{background:var(--line);color:var(--sub);cursor:not-allowed;pointer-events:none}
@supports not (grid-template-rows:subgrid){
  .pc{display:flex;flex-direction:column}.c-btn{margin-top:auto;padding-top:18px}
}

/* 查订单 */
.track{text-align:center;padding-top:48px;padding-bottom:72px}
.track h2{font-size:46px}
.track p{margin:14px 0 0;color:var(--ink)}
.track-form{display:flex;gap:10px;justify-content:center;max-width:520px;margin:28px auto 0}
.track-form input{flex:1;min-width:0;height:48px;border:1.5px solid var(--line);border-radius:999px;padding:0 22px;font:inherit;font-size:15px;background:var(--bg);outline:none}
.track-form input:focus{border-color:var(--ink)}
.track-form .btn{width:96px;height:48px;flex:none}
.track-art{display:block;width:360px;max-width:100%;height:auto;margin:48px auto 0}
@media(max-width:700px){
  .track h2{font-size:34px}
  .track-form{flex-direction:column}
  .track-form input{flex:none;width:100%}
  .track-form .btn{width:100%}
}

/* 页脚 */
.foot{background:var(--soft);padding:48px 0 28px}
.foot .wrap{max-width:1100px}
.foot-main{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-l .brand{font-size:18px}
.foot-l p{margin:10px 0 0;color:var(--sub);font-size:14px;max-width:440px}
.foot-r{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:flex-start}
.foot-r a,.foot-r button{background:none;border:0;padding:0;font-size:14px;text-decoration:none;line-height:1.6}
.foot-r a:hover,.foot-r button:hover{text-decoration:underline}
.foot small{display:block;margin-top:36px;color:var(--sub);font-size:13px}

/* 全部商品 */
.search{display:flex;justify-content:center;margin-top:28px}
.search input{width:100%;max-width:420px;height:48px;border:1.5px solid var(--line);border-radius:999px;padding:0 22px;font:inherit;font-size:15px;outline:none;background:var(--bg);box-shadow:0 2px 10px rgba(24,24,26,.06)}
.search input:focus{border-color:var(--ink)}
.group{margin-top:64px}
.group:first-child{margin-top:0}
.group h2{font-size:28px;margin:0 auto 32px;max-width:1068px}
.list{padding-top:24px;padding-bottom:96px}
.empty{text-align:center;color:var(--sub);padding:48px 0}
@media(max-width:700px){.group{margin-top:48px}.group h2{font-size:24px}}

/* 商品详情 */
.back{display:inline-flex;align-items:center;height:40px;margin-top:8px;font-size:14px;color:var(--sub);text-decoration:none}
.back:hover{color:var(--ink);text-decoration:underline}
.d-head{text-align:center;padding-top:12px;padding-bottom:44px}
.d-head img{width:72px;height:72px;border-radius:18px;margin:0 auto 22px;object-fit:cover}
.d-head h1{font-size:40px}
.d-head .cat{margin:12px 0 0;color:var(--sub);font-size:15px}
.d-head .desc{max-width:620px;margin:14px auto 0;color:var(--sub);font-size:16px}
@media(max-width:700px){.d-head h1{font-size:28px}.d-head{padding-bottom:32px}}

.buy{position:relative;overflow-x:clip;padding-bottom:120px}
.buy-row{position:relative;isolation:isolate;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.buy-row::before{content:"";position:absolute;z-index:-1;left:-100vw;right:-100vw;top:50%;bottom:-120px;background:var(--yellow)}
.bc{background:var(--bg);border:1.5px solid var(--line);border-radius:28px;box-shadow:0 6px 24px rgba(24,24,26,.06);padding:30px 24px 26px;text-align:center;width:264px;display:flex;flex-direction:column;align-items:center}
.bc.w320{width:320px}
.bc.big{width:560px;max-width:100%;padding:32px 28px 28px}
.bc.out>*{opacity:.55}
.bc h3{font-size:24px;font-weight:600;line-height:1.3}
.bc .price{margin:14px 0 18px;font:700 48px/1.1 var(--head);letter-spacing:-.02em}
.bc .price i{font-style:normal;font-size:20px;color:var(--sub);font-weight:400}
.bc .btn{margin-top:20px}
.bc .link{margin-top:14px;background:none;border:0;font-size:14px;color:var(--sub);text-decoration:underline;padding:6px;line-height:1}
.bc .link:hover{color:var(--ink)}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:999px;height:44px;background:var(--bg)}
.qty button{width:44px;height:100%;border:0;background:none;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;border-radius:999px}
.qty button:hover{background:var(--soft)}
.qty output{min-width:40px;text-align:center;font-size:16px;line-height:1}
.pills{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:18px 0 6px}
.pills button{height:40px;padding:0 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--bg);font-size:14px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.pills button:hover{border-color:var(--ink)}
.pills button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.pills button:disabled{color:#9a9aa2;text-decoration:line-through;cursor:not-allowed;background:var(--soft);border-color:var(--line)}
.detail{max-width:720px;margin:0 auto;padding:72px 0 24px}
.detail h2{font-size:28px;margin-bottom:22px}
.rich{font-size:16px;line-height:1.8;overflow-wrap:anywhere}
.rich p{margin:0 0 14px}
.rich h2{font-size:22px;margin:28px 0 12px}
.rich h3{font-size:19px;margin:24px 0 10px}
.rich h4{font-size:16px;margin:20px 0 8px;font-family:var(--head)}
.rich a{color:var(--blue);text-decoration:underline}
.rich ul,.rich ol{padding-left:22px;margin:0 0 14px}
.rich code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:.92em}
.rich img{max-width:100%;height:auto}
.related{padding:56px 0 96px}
.related h2{font-size:28px;margin:0 auto 32px;max-width:1068px}
.mbar{display:none}
@media(max-width:700px){
  .bc,.bc.w320,.bc.big{width:100%}
  .buy-row{gap:16px}
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--bg);border-top:1px solid var(--line);height:68px;padding:0 16px;align-items:center;justify-content:space-between;gap:16px}
  .mbar b{font:700 28px/1 var(--head);letter-spacing:-.02em}
  .mbar .btn{width:160px;flex:none}
  body.has-mbar{padding-bottom:68px}
  .detail{padding-top:48px}
}

/* toast */
.toast{position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);background:var(--ink);color:#fff;min-height:44px;padding:0 22px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1.3;opacity:0;pointer-events:none;transition:.2s;z-index:50;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:700px){.toast{bottom:88px}}
@media(max-width:480px){.seg.a{gap:0}.seg.a button{padding:0 7px;font-size:13px}}

.track-dog{display:block;width:170px;height:auto;margin:36px auto 0}

/* ---- 卡片要点：一条一行 ---- */
.c-list li{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ---- 详情页：左右排版 ---- */
.pd{display:grid;grid-template-columns:minmax(0,1fr) 360px;grid-template-areas:"head buy" "detail buy";column-gap:56px;align-items:start;padding-top:8px;padding-bottom:40px}
.pd-head{grid-area:head;text-align:left}
.pd-head .dh-top{display:flex;align-items:center;gap:16px}
.pd-head .dh-top img{width:64px;height:64px;border-radius:16px;flex:none}
.pd-head .cat{margin:0 0 4px;color:var(--sub);font-size:14px}
.pd-head h1{margin:0;font-size:32px;line-height:1.25}
.pd-head .desc{margin:18px 0 0;color:var(--sub);font-size:15px;line-height:1.75;max-width:none}
.pd-detail{grid-area:detail;max-width:none;margin:0;padding:28px 0 0;border-top:1px solid var(--line);margin-top:24px}
.pd-detail h2{font-size:20px;margin-bottom:14px}
.pd-detail .rich{font-size:15px;line-height:1.75}
.pd-buy{grid-area:buy;position:sticky;top:24px}
.bc.side{width:100%;max-width:none;text-align:center;padding:26px 24px 22px;border-top:6px solid var(--yellow)}
.bc.side .bc-lab{margin:0 0 4px;font-size:13px;color:var(--sub);text-align:left}
.bc.side .pills{justify-content:flex-start;margin:6px 0 14px;gap:8px}
.bc.side .pills button{height:36px;padding:0 12px;font-size:13px}
.bc.side .price{margin-top:6px}
.bc.side .c-note{margin:4px 0 16px}
.bc.side .qty{margin:0 auto 16px}
.bc.side .btn{width:100%}
.bc-assure{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px dashed var(--line);font-size:13px;color:var(--sub);line-height:1.9;text-align:left}
.bc-assure li::before{content:"✓ ";color:var(--ink);font-weight:700}
@media(max-width:900px){
  .pd{grid-template-columns:1fr;grid-template-areas:"head" "buy" "detail";row-gap:24px}
  .pd-buy{position:static}
  .pd-head h1{font-size:24px}
  .pd-detail{margin-top:8px}
}
.bc.side .pills,.bc.side .bc-lab,.bc-assure{width:100%}
.bc.side .btn{margin-top:0}
.c-list{list-style:none;padding-left:0}
.c-list li{position:relative;padding-left:14px}
.c-list li::before{content:"";position:absolute;left:2px;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--ink)}
.c-name h3{font-size:22px}

/* ---- 卡片图标：去掉插画，放大 logo ---- */
.c-art{height:104px;margin:14px 0 0;display:flex;align-items:center;justify-content:center}
.c-art img{position:static;width:96px;height:96px;margin:0;border-radius:24px;box-shadow:0 4px 14px rgba(24,24,26,.12)}
/* ---- 黄带：服务保障 + 弧线 ---- */
.band::after{display:none}
.band{padding-bottom:150px}
.assure{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1068px;margin:56px auto 0}
.as-item{background:#fff;border-radius:20px;padding:22px 20px;display:grid;grid-template-columns:40px 1fr;column-gap:12px;row-gap:4px;align-items:center}
.as-item svg{grid-row:1 / span 2;width:40px;height:40px;padding:8px;border-radius:12px;background:var(--yellow-soft);color:var(--ink);align-self:start}
.as-item b{font:600 16px/1.3 var(--head)}
.as-item p{margin:0;font-size:13px;line-height:1.55;color:var(--sub)}
.as-item a{color:var(--ink);text-decoration:underline}
.band-curve{position:absolute;left:0;bottom:-1px;width:100%;height:90px;display:block}
@media(max-width:1000px){.assure{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.assure{grid-template-columns:1fr;gap:10px;margin-top:36px}.band{padding-bottom:90px}.band-curve{height:48px}}
/* ---- 加微信 ---- */
.bc-wx{margin:12px 0 0;font-size:13px;color:var(--sub)}
.wxm{position:fixed;inset:0;z-index:100;background:rgba(24,24,26,.45);display:none;align-items:center;justify-content:center;padding:16px}
.wxm.open{display:flex}
.wxm-card{background:#fff;border-radius:24px;padding:28px 24px 18px;width:100%;max-width:340px;text-align:center;display:flex;flex-direction:column;align-items:center}
.wxm-card h3{margin:0 0 8px;font:600 22px/1.3 var(--head)}
.wxm-card p{margin:0;font-size:14px;color:var(--sub);line-height:1.6}
.wxm-id{margin:18px 0 6px;display:flex;align-items:center;gap:10px}
.wxm-id span{font-size:13px;color:var(--sub)}
.wxm-id b{font:700 28px/1 var(--head);letter-spacing:.02em}
.wxm-sub{margin-bottom:18px!important}
.wxm-card .btn{width:100%}
.wxm-card .link{margin-top:10px;background:none;border:0;font-size:14px;color:var(--sub);text-decoration:underline;padding:6px;line-height:1}
/* ---- 手机分类：改成自动换行的小胶囊 ---- */
@media(max-width:560px){
  .seg.a{flex-wrap:wrap;justify-content:center;gap:8px;padding:0;border:0;box-shadow:none;background:transparent;border-radius:0;overflow:visible}
  .seg.a button{height:34px;padding:0 14px;font-size:13px;border:1px solid var(--line);background:#fff}
}

.c-btn{padding-top:18px}

/* ---- 正式站补充 ---- */
.cards[hidden],.seg[hidden],.pc[hidden],.group[hidden],.cart-n[hidden],.empty[hidden]{display:none}
.nav a.cart{display:inline-flex;align-items:center}
.cart-n{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;margin-left:6px;border-radius:999px;background:var(--ink);color:#fff;font-size:11px;font-weight:600;line-height:1}
.menu-pop .cart-n{margin-left:8px}
.track .btn{display:inline-flex;width:auto;min-width:160px;height:48px;margin-top:28px;padding:0 32px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
@media(max-width:700px){.nav a.cart.hide-m{display:none}}

/* ---- 卡片悬停：微微上浮、放大，阴影加深；整卡可点 ---- */
.pc{cursor:pointer;transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s ease;will-change:transform}
@media (hover:hover){
  .pc:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 18px 40px rgba(24,24,26,.14);z-index:2}
}
.pc:active{transform:translateY(-2px) scale(1.005)}
@media (hover:none){.pc:active{transform:scale(.98)}}
@media (prefers-reduced-motion:reduce){.pc{transition:none}.pc:hover,.pc:active{transform:none}}

/* ---- 悬停上浮时热销标签不被裁掉：黄色宽带不再裁切溢出（2026-10-07） ---- */
.band{overflow:visible}