:root{
  /* 深烘色系（黑金）：酒吧夜里看着不刺眼，金色只用在价格和加号上 */
  --brand-900:#17110C; --brand-700:#33261A; --brand-600:#C8A05C;
  --brand-500:#D9B26A; --brand-400:#A87F3F; --brand-300:#E4C88F; --brand-200:#8A6432;
  --brand-100:#4E3A1E; --brand-050:#2E2419;
  /* 文字阶：深底上由亮到暗（原来是浅底上由深到浅，正好反过来） */
  --ink-900:#EDE4D6; --ink-500:#A2937F; --ink-400:#8A7C69; --ink-300:#6E6154;
  --line:#3A2F26; --line-2:#3A2F26; --surface:#2A211A; --surface-2:#241C15; --bg:#171009;
  /* 金色本体，沿用旧版命名，方便以后单独调 */
  --gold:#D9B26A; --gold-deep:#A87F3F;
  /* 老名字指向新色阶，页面里别处的规则不用动 */
  --brand:var(--gold);
  --card:var(--surface);
  --fg:var(--ink-900);
  --fg-dim:var(--ink-500);
  --font-body:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);
  font-family:var(--font-body);font-size:14px;line-height:1.5}
body{overscroll-behavior-y:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}

.app{height:100vh;height:100svh;display:flex;flex-direction:column;overflow:hidden}

/* ---------- 顶部大图：圆角横幅卡片（高度不动） ---------- */
.hero{position:relative;flex:none;width:100%;height:22vh;height:22svh;min-height:110px;
  overflow:hidden;background:linear-gradient(150deg,var(--brand-700),var(--brand-900))}
.hero img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
/* 遮罩不单独占一块了，直接长在文字上，多高文字就有多高 */
.brand{position:absolute;left:0;right:0;bottom:0;padding:12px 12px 10px;color:#fff;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.55) 40%,rgba(0,0,0,.72))}
.brand h1{margin:0;font-size:18px;font-weight:600;letter-spacing:.04em;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.brand p{margin:2px 0 0;font-size:11px;opacity:.92;text-shadow:0 1px 4px rgba(0,0,0,.4)}

/* ---------- 活动横滑 ---------- */
.acts{flex:none;display:flex;gap:10px;padding:4px 12px 10px;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.acts::-webkit-scrollbar{display:none}
.act{position:relative;flex:0 0 60%;height:0;padding-bottom:33.75%;overflow:hidden;border-radius:12px;
  background:var(--surface);scroll-snap-align:start;transition:transform .25s var(--ease)}
.act:active{transform:scale(.98)}
.act-media,.act-media img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover;
  display:flex;align-items:center;justify-content:center}
.act-media span{font-size:24px;color:rgba(237,228,214,.5)}
.act-t{position:absolute;left:0;right:0;bottom:0;height:34%;display:flex;align-items:flex-end;
  padding:0 10px 4px;font-size:11.5px;color:#fff;box-sizing:border-box;
  background:linear-gradient(transparent,rgba(18,13,9,.92))}

/* ---------- 活动自动转圈：3 个以上才加 .acts-loop（app.js 里判断） ---------- */
.acts-loop{overflow:hidden;scroll-snap-type:none}
/* 卡与卡之间用 margin-right 而不是 gap：
   这样「一整份」的宽度正好是 track 的一半，动画从 -50% 走到 0 时接缝严丝合缝，
   否则会差半个间距、每轮跳一下 */
.acts-track{display:flex;width:max-content;
  animation-name:acts-drift;animation-timing-function:linear;animation-iteration-count:infinite}
.acts-loop .act{flex:0 0 auto;padding-bottom:0;margin-right:10px;
  width:calc((100vw - 24px) * .6);height:calc((100vw - 24px) * .3375)}
/* 往右飘：从「偏移半份」走到 0，两份内容一样所以接缝看不出来 */
@keyframes acts-drift{from{transform:translateX(-50%)}to{transform:translateX(0)}}
/* 系统开了「减弱动态效果」就不转，尊重设置 */
@media (prefers-reduced-motion: reduce){.acts-track{animation:none}}

/* ---------- 点单区：左分类 + 右商品 ---------- */
.menu{flex:1;min-height:0;display:flex;background:var(--bg)}
.rail{flex:none;width:88px;overflow-y:auto;background:var(--bg)}
.rail::-webkit-scrollbar{display:none}
.rail-i{display:block;width:100%;padding:13px 8px;font-size:12.5px;color:var(--fg-dim);text-align:center;
  border-left:3px solid transparent;transition:color .2s var(--ease)}
.rail-i.on{color:var(--gold);
  background:linear-gradient(90deg,var(--brand-050),rgba(255,255,255,0));
  border-left-color:var(--gold);font-weight:600}
.list{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:8px 12px 16px;background:var(--card)}
.sec{margin:8px 0 6px;font-size:10.5px;font-weight:400;color:var(--ink-400);letter-spacing:.12em}
.sec:after{content:'';display:block;height:1px;margin-top:6px;
  background:linear-gradient(90deg,var(--line-2),rgba(58,47,38,0))}

/* 商品卡：图在左（尺寸不变），名字介绍在右，加号在右下角 */
.card{display:flex;gap:11px;padding:11px 0;border-bottom:1px solid var(--line);
  transition:background .18s var(--ease)}
.card:active{background:#2F251D}
.card-img{position:relative;flex:none;width:78px;height:78px;border-radius:10px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;background:var(--surface-2)}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-img span{font-size:26px;color:rgba(237,228,214,.55)}
.tone-1{background:linear-gradient(140deg,#3B2A1C,#6B4A26)}
.tone-2{background:linear-gradient(140deg,#2B2A22,#5A5340)}
.tone-3{background:linear-gradient(140deg,#33222A,#5E3340)}
.tone-4{background:linear-gradient(140deg,#1F2A2A,#3E5250)}
.tone-5{background:linear-gradient(140deg,#2A2418,#4E4326)}
.tone-6{background:linear-gradient(140deg,#2E2226,#54373F)}
.card-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:space-between}
.card-body h3{margin:0;font-size:14px;font-weight:600;color:var(--fg)}
.desc{margin:4px 0 0;font-size:11px;color:var(--fg-dim);line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-foot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:7px}

.price{font-size:16px;font-weight:700;color:var(--gold)}
.price i{font-style:normal;font-size:10.5px;font-weight:400;margin-right:1px}
.price.big{font-size:23px}
.qty{display:inline-flex;align-items:center;gap:9px}
.qty b{font-size:13px;min-width:13px;text-align:center;color:var(--fg)}
.add{width:24px;height:24px;border-radius:50%;color:#241C15;font-size:16px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-600));
  box-shadow:0 1px 5px rgba(217,178,106,.3);
  display:inline-flex;align-items:center;justify-content:center;line-height:1;transition:transform .18s var(--ease)}
.rd{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--gold-deep);
  color:var(--gold);display:inline-flex;align-items:center;justify-content:center;line-height:1;
  transition:transform .18s var(--ease)}
.add:active,.rd:active{transform:scale(.85)}

/* ---------- 底部购物车 ---------- */
.cartbar{flex:none;display:flex;align-items:center;gap:11px;
  padding:7px 12px calc(7px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--line);
  box-shadow:0 -6px 18px rgba(0,0,0,.35)}
.cart-dot{position:relative;flex:none;width:42px;height:42px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease)}
.cart-dot.on{background:linear-gradient(180deg,var(--brand-500),var(--brand-600));border-color:var(--brand-600)}
.cart-dot span{font-size:15px;font-weight:700;color:#6E6154}
.cart-dot.on span{color:#241C15}
.cb-total{flex:1;font-size:17px;font-weight:700;color:var(--fg-dim)}
.cb-total.on{color:var(--gold)}
.cb-total em{font-style:normal;font-size:11px;font-weight:400;color:var(--fg-dim);margin-left:5px}
.btn-primary{background:linear-gradient(180deg,var(--brand-500),var(--brand-600));color:#241C15;
  padding:9px 20px;border-radius:22px;font-size:14px;font-weight:600;letter-spacing:.04em;
  box-shadow:0 2px 8px rgba(217,178,106,.28);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
.btn-primary:active{transform:scale(.97);box-shadow:0 1px 4px rgba(217,178,106,.32)}
.btn-primary:disabled{background:var(--line);color:var(--ink-300);box-shadow:none}

/* ---------- 已选清单弹层 ---------- */
.sheet-mask{position:fixed;inset:0;z-index:15;background:rgba(10,7,4,.6)}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:16;max-height:72vh;display:flex;flex-direction:column;
  background:var(--card);border-radius:16px 16px 0 0;
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 24px rgba(0,0,0,.5)}
.sheet-head{flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px 9px;border-bottom:1px solid var(--line)}
.sheet-head b{font-size:14px;font-weight:600}
.sheet-head button{font-size:12.5px;color:var(--fg-dim)}
.sheet-list{flex:1;min-height:0;overflow-y:auto}
.srow{display:flex;align-items:center;gap:11px;padding:11px 16px;border-bottom:1px solid var(--line)}
.srow-img{position:relative;flex:none;width:44px;height:44px;border-radius:9px;overflow:hidden;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center}
.srow-img img{width:100%;height:100%;object-fit:cover}
.srow-img span{font-size:18px;color:rgba(237,228,214,.55)}
.srow-main{flex:1;min-width:0}
.srow-main h4{margin:0 0 3px;font-size:13.5px;font-weight:500}
.sheet-foot{flex:none;padding:11px 16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between}
.sheet-foot .sum{font-size:17px;font-weight:700;color:var(--gold)}
.hint{padding:0 16px 14px;font-size:11px;color:var(--fg-dim);text-align:center}

/* ---------- 二级页 ---------- */
.topbar{flex:none;display:flex;align-items:center;gap:11px;padding:12px;background:var(--surface);
  border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(0,0,0,.3)}
.topbar button{font-size:13px;color:var(--fg-dim)}
.topbar h2{margin:0;font-size:14px;font-weight:600}
.d-hero{position:relative;width:100%;height:0;padding-bottom:75%;
  background:linear-gradient(150deg,var(--brand-700),var(--brand-900))}
.d-hero img{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:cover}
.d-hero .act-media{position:absolute;left:0;top:0;width:100%;height:100%}
.d-body{padding:16px 14px 28px;background:var(--card)}
.d-body h1{margin:0;font-size:19px;font-weight:700}
.d-desc{margin:11px 0 0;font-size:13px;line-height:1.7;color:var(--fg-dim);max-width:34em}
.d-bar{flex:none;display:flex;align-items:center;justify-content:space-between;gap:11px;
  padding:9px 14px calc(9px + env(safe-area-inset-bottom));
  background:var(--card);border-top:1px solid var(--line)}
.cb-t{font-size:12.5px;color:var(--fg-dim)}
.cb-t b{color:var(--gold)}
.foot-note{padding:13px 16px 20px;font-size:11px;color:var(--fg-dim);text-align:center;background:var(--card)}

/* ---------- 状态 ---------- */
.center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:40px;color:var(--fg-dim);font-size:13.5px;text-align:center}
.empty{padding:48px 24px;text-align:center;color:var(--fg-dim);font-size:13.5px}
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);z-index:20;
  background:#EDE4D6;color:#241C15;font-size:12.5px;padding:8px 15px;border-radius:20px;
  box-shadow:0 6px 20px rgba(0,0,0,.45)}
.lightbox{position:fixed;inset:0;z-index:30;background:rgba(15,11,7,.96);
  display:flex;align-items:center;justify-content:center;padding:14px}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain}