:root{
  --brand:#2f6bff; --brand-d:#1f52d6; --bg:#f5f6f8; --card:#fff;
  --text:#1a1d24; --sub:#7a8194; --line:#e9ebf0; --ok:#12b76a; --warn:#f79009; --danger:#e5484d;
  --r:14px; --shadow:0 2px 10px rgba(20,30,60,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;
     background:var(--bg);color:var(--text)}
.app{max-width:520px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;background:var(--bg)}
.hide{display:none!important}
.main{flex:1;display:flex;flex-direction:column}

/* 登录 */
.login{padding:72px 28px 28px;display:flex;flex-direction:column;gap:14px}
.logo{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,#4b8bff,#2f6bff);
      display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;
      box-shadow:0 8px 20px rgba(47,107,255,.35)}
.login h1{font-size:24px;margin:10px 0 2px}
.login p{color:var(--sub);margin:0 0 18px;font-size:14px}
.hint{text-align:center;font-size:12px;color:#a0a6b5;margin-top:8px}
.field{background:var(--card);border-radius:var(--r);padding:4px 14px;box-shadow:var(--shadow)}
.field input{width:100%;border:0;outline:0;padding:14px 0;font-size:16px;background:transparent}
.btn{border:0;border-radius:12px;padding:13px 16px;font-size:15px;font-weight:600;cursor:pointer;background:#eef1f6;color:var(--text)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(47,107,255,.3)}
.btn-primary:active{background:var(--brand-d)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line);font-weight:500}
.btn-danger{background:#fff0f0;color:var(--danger)}
.btn-sm{padding:8px 12px;font-size:13px;border-radius:10px}
.err{color:var(--danger);font-size:13px;min-height:18px}

/* 顶栏 */
header{position:sticky;top:0;z-index:10;background:linear-gradient(135deg,#2f6bff,#4b8bff);color:#fff;
       padding:calc(14px + env(safe-area-inset-top)) 18px 14px}
header .row{display:flex;align-items:center;justify-content:space-between}
header h2{font-size:18px;margin:0;font-weight:600}
header .who{font-size:12px;opacity:.85;margin-top:2px}
.avatar{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.22);cursor:pointer;
        display:flex;align-items:center;justify-content:center;font-size:14px}

.view{flex:1;padding-bottom:86px}

/* 概览 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:14px}
.stat{background:var(--card);border-radius:12px;padding:10px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-size:18px}
.stat span{font-size:11px;color:var(--sub)}

/* 工具条 */
.toolbar{display:flex;gap:8px;padding:0 14px 10px}
.search{flex:1;background:#fff;border-radius:10px;display:flex;align-items:center;padding:0 12px;box-shadow:var(--shadow)}
.search input{border:0;outline:0;flex:1;padding:11px 0;font-size:14px;background:transparent}
.chips{display:flex;gap:8px;padding:0 14px 12px;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{padding:7px 14px;border-radius:99px;background:#fff;font-size:13px;color:var(--sub);
      white-space:nowrap;box-shadow:var(--shadow);border:1px solid transparent;cursor:pointer}
.chip.on{background:#eaf1ff;color:var(--brand);border-color:#cfe0ff;font-weight:600}

/* 列表卡片 */
.list{padding:0 14px 20px;display:flex;flex-direction:column;gap:10px}
.card{background:var(--card);border-radius:var(--r);padding:14px;box-shadow:var(--shadow);cursor:pointer}
.card:active{background:#fafbff}
.card .t{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.card .name{font-weight:600;font-size:15px}
.price{color:#e8590c;font-weight:700;font-size:16px}
.meta{color:var(--sub);font-size:12.5px;margin-top:6px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tag{font-size:11px;padding:2px 8px;border-radius:6px;background:#eef2f8;color:#5b6478}
.tag.green{background:#e7f8f0;color:#0e9f6e}
.tag.orange{background:#fff4e6;color:#d97706}
.tag.blue{background:#eaf1ff;color:#2f6bff}
.tag.gray{background:#f0f1f4;color:#8a90a0}
.empty{text-align:center;color:var(--sub);padding:50px 0;font-size:14px}
.section-title{padding:16px 16px 8px;font-size:13px;color:var(--sub);font-weight:600}

/* 底部导航 */
nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:520px;z-index:30;
    background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);
    display:grid;grid-template-columns:repeat(4,1fr);padding:8px 0 calc(8px + env(safe-area-inset-bottom))}
nav div{text-align:center;font-size:11px;color:var(--sub);cursor:pointer}
nav div.on{color:var(--brand);font-weight:600}
nav .ic{font-size:19px;line-height:1.2}

/* 弹层 */
.sheet{position:fixed;inset:0;background:#f5f6f8;z-index:50;overflow-y:auto;max-width:520px;margin:0 auto;
       transform:translateY(100%);transition:transform .25s ease;visibility:hidden}
.sheet.open{transform:none;visibility:visible}
.sheet-bar{position:sticky;top:0;z-index:2;background:#fff;border-bottom:1px solid var(--line);
           display:flex;align-items:center;padding:calc(12px + env(safe-area-inset-top)) 14px 12px;gap:10px}
.sheet-bar h3{font-size:16px;margin:0;flex:1}
.sheet-body{padding:14px 14px 40px}

.kv{background:#fff;border-radius:12px;padding:4px 14px;box-shadow:var(--shadow);margin-bottom:12px}
.kv .r{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv .r:last-child{border-bottom:0}
.kv .r span:first-child{color:var(--sub);flex:none}
.kv .r b{font-weight:600;text-align:right}

.form{background:#fff;border-radius:12px;padding:6px 14px;box-shadow:var(--shadow)}
.form label{display:block;font-size:12.5px;color:var(--sub);padding-top:12px}
.form input,.form select,.form textarea{width:100%;border:0;outline:0;padding:8px 0 12px;font-size:15px;
  background:transparent;border-bottom:1px solid var(--line);border-radius:0;appearance:none;font-family:inherit}
.form textarea{resize:vertical;min-height:64px}
.form .half{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .pad{height:18px}

.toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);background:rgba(20,25,40,.88);
       color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:99}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}

.fab{position:fixed;right:calc(50% - 250px);bottom:96px;width:52px;height:52px;border-radius:50%;
     background:var(--brand);color:#fff;font-size:28px;line-height:52px;text-align:center;cursor:pointer;
     box-shadow:0 8px 20px rgba(47,107,255,.4);z-index:20;user-select:none}
@media(max-width:520px){.fab{right:18px}}

.row-btns{display:flex;gap:8px;margin-top:12px}
.row-btns .btn{flex:1}
.list-item{background:#fff;border-radius:12px;padding:13px 14px;box-shadow:var(--shadow);margin-bottom:10px}
.list-item .t{display:flex;justify-content:space-between;align-items:center;gap:10px}
.list-item .t b{font-size:14.5px}
.list-item .s{color:var(--sub);font-size:12.5px;margin-top:4px}

/* 图片 */
.block-title{padding:16px 2px 8px;font-size:13px;color:var(--sub);font-weight:600}
.imgs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.img-cell{position:relative}
.img-thumb{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;background:#eceef3;display:block;cursor:pointer}
.img-del{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;background:rgba(20,25,40,.75);
         color:#fff;font-size:14px;line-height:22px;text-align:center;cursor:pointer;font-weight:400}
.img-empty{grid-column:1/-1;color:#a0a6b5;font-size:12.5px;padding:14px 0;text-align:center;
           border:1px dashed var(--line);border-radius:10px;background:#fff}
.list{padding-bottom:110px}