:root{
  --bg:#0f0e0c; --card:#1c1a17; --card2:#262320;
  --gold:#d9a441; --gold2:#f0c468; --text:#f5efe4; --muted:#9a917f;
  --danger:#e05a4a; --ok:#57b57a;
  --radius:14px; --shadow:0 6px 20px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.5}
a{color:inherit;text-decoration:none}
img{display:block}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #3a352b;border-radius:10px;background:#151310;color:var(--text);font-size:15px;outline:none}
input:focus,select:focus{border-color:var(--gold)}
button{font-family:inherit;cursor:pointer;border:none;outline:none}

/* 顶部 */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:rgba(15,14,12,.92);backdrop-filter:blur(8px);border-bottom:1px solid #26221c}
.topbar .title{font-size:17px;font-weight:700;color:var(--gold2)}
.topbar .sub{font-size:12px;color:var(--muted)}
.topbar .right{display:flex;gap:10px;align-items:center}

/* 页面容器 */
.page{max-width:520px;margin:0 auto;padding-bottom:80px}
.pad{padding:14px 16px}
.section-title{font-size:15px;font-weight:700;margin:4px 4px 10px;display:flex;justify-content:space-between;align-items:center}
.section-title .more{font-size:12px;color:var(--muted)}

/* 轮播 */
.banner{position:relative;margin:12px 0;border-radius:var(--radius);overflow:hidden;height:150px}
.banner .slide{position:absolute;inset:0;opacity:0;transition:opacity .6s;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:16px}
.banner .slide.active{opacity:1}
.banner .slide .t{color:#fff;font-size:20px;font-weight:800;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.banner .dots{position:absolute;bottom:10px;right:14px;display:flex;gap:6px}
.banner .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.4)}
.banner .dots i.active{background:var(--gold2)}

/* 分类横滑 */
.cats{display:flex;gap:10px;overflow-x:auto;padding:4px 16px 12px;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.cat-chip{flex-shrink:0;padding:8px 16px;border-radius:20px;background:var(--card);color:var(--muted);font-size:13px;border:1px solid #2c2822}
.cat-chip.active{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1508;font-weight:600;border-color:transparent}

/* 商品网格 */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:0 16px}
.goods-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.goods-img{height:130px;background-size:cover;background-position:center;background-color:#26221c}
.goods-body{padding:10px 12px}
.goods-name{font-size:13px;height:38px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.goods-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.price{color:var(--gold2);font-weight:800;font-size:16px}
.sales{color:var(--muted);font-size:11px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 18px;border-radius:10px;font-size:15px;font-weight:600;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1508}
.btn.block{width:100%}
.btn.ghost{background:transparent;border:1px solid var(--gold);color:var(--gold2)}
.btn.gray{background:var(--card2);color:var(--muted)}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:8px}
.btn:active{opacity:.85}

/* 表单 */
.form{display:flex;flex-direction:column;gap:14px;padding:8px 0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.tip{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.link{color:var(--gold2)}

/* 卡片列表 */
.list{display:flex;flex-direction:column;gap:10px;padding:0 16px}
.card{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.muted{color:var(--muted);font-size:13px}
.gold{color:var(--gold2)}

/* 商品详情 */
.detail-img{width:100%;height:300px;background-size:cover;background-position:center}
.detail-body{padding:16px;background:var(--card);border-radius:var(--radius) var(--radius) 0 0;margin-top:-18px;position:relative}
.detail-name{font-size:19px;font-weight:700}
.detail-price{display:flex;align-items:baseline;gap:8px;margin:10px 0}
.detail-price .p{font-size:26px;font-weight:800;color:var(--gold2)}
.detail-price .o{color:var(--muted);text-decoration:line-through;font-size:14px}
.tag{display:inline-block;padding:3px 8px;border-radius:6px;font-size:11px;margin-right:6px;background:#2b2417;color:var(--gold2)}
.bottom-bar{position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:rgba(28,26,23,.96);backdrop-filter:blur(8px);border-top:1px solid #2c2822;max-width:520px;margin:0 auto}
.bottom-bar .flex{flex:1}

/* 底部导航 */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:40;display:flex;max-width:520px;margin:0 auto;background:rgba(20,18,15,.97);backdrop-filter:blur(10px);border-top:1px solid #2c2822}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 0 calc(9px + env(safe-area-inset-bottom));font-size:11px;color:var(--muted)}
.tabbar a.active{color:var(--gold2)}
.tabbar .ico{font-size:20px;line-height:1}

/* 会员中心 */
.member-hero{background:linear-gradient(135deg,#2a2112,#1c1a17);padding:20px 16px;display:flex;align-items:center;gap:14px;border-bottom:1px solid #2c2822}
.avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2));display:flex;align-items:center;justify-content:center;font-size:24px;color:#1a1508;font-weight:800;flex-shrink:0}
.assets{display:flex;margin-top:12px;background:var(--card);border-radius:var(--radius)}
.assets>div{flex:1;text-align:center;padding:14px 4px}
.assets .num{font-size:19px;font-weight:800;color:var(--gold2)}
.assets .lab{font-size:12px;color:var(--muted);margin-top:2px}
.menu{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:14px 16px}
.menu a{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--card);padding:14px 4px;border-radius:var(--radius);font-size:12px;color:var(--text)}
.menu .i{font-size:22px;color:var(--gold2)}

/* 订单 / 流水 */
.order-card .top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:10px;color:var(--muted)}
.ord-item{display:flex;gap:10px;margin-bottom:10px}
.ord-item img{width:54px;height:54px;border-radius:8px;object-fit:cover;background:#26221c}
.ord-item .info{flex:1}
.ord-item .nm{font-size:13px}
.ord-item .pr{color:var(--gold2);font-weight:700}

/* 等级开通 */
.level-card{border:2px solid transparent;border-radius:var(--radius);padding:18px;background:var(--card);text-align:center}
.level-card.vip{border-color:var(--gold)}
.level-card .lv{font-size:18px;font-weight:800;color:var(--gold2)}
.level-card .fee{font-size:22px;font-weight:800;margin:6px 0}
.level-card .fee small{font-size:13px;color:var(--muted);font-weight:400}
.level-card ul{list-style:none;text-align:left;font-size:13px;color:var(--muted);margin:12px 0;display:flex;flex-direction:column;gap:6px}

/* toast */
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%) translateY(20px);background:rgba(28,26,23,.96);color:var(--text);padding:10px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;box-shadow:var(--shadow);max-width:80%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.error{border:1px solid var(--danger)}

/* 空态 */
.empty{padding:60px 20px;text-align:center;color:var(--muted)}
.empty .i{font-size:46px;margin-bottom:12px;opacity:.5}