/* ============ Mall H5 公共样式 ============ */
:root{
  --primary:#ff5000; --primary-d:#e64800; --grad:linear-gradient(135deg,#ff7a2e,#ff5000);
  --price:#ff3c2f; --text:#222; --sub:#666; --muted:#9aa0a6;
  --line:#eee; --bg:#f5f6f8; --card:#fff; --warn:#ff9500; --green:#07c160;
  --radius:12px; --shadow:0 2px 12px rgba(0,0,0,.06);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Roboto,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);max-width:480px;margin:0 auto;min-height:100vh;overflow-x:hidden;padding-bottom:env(safe-area-inset-bottom)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit;border:none;outline:none;background:none}
img{display:block}
.hide{display:none!important}

/* 顶部 */
.page{padding-top:0;padding-bottom:70px}
.app-header{position:sticky;top:0;z-index:50;background:#fff;padding:12px 14px 2px}
.app-header .row{display:flex;align-items:center;gap:10px}
.app-header h1{font-size:18px;font-weight:700}
.mheader{position:sticky;top:0;z-index:50;background:#fff;display:flex;align-items:center;padding:12px 10px;border-bottom:1px solid var(--line)}
.mheader .back{font-size:22px;line-height:1;width:32px;color:var(--text)}
.mheader .title{flex:1;text-align:center;font-size:16px;font-weight:600;padding-right:32px}
.mheader .extra{width:32px;text-align:right}

/* 底部 Tab */
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--line);display:flex;z-index:60;padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{flex:1;padding:7px 0 6px;text-align:center;color:var(--muted);font-size:10px}
.tabbar a .ic{display:block;font-size:20px;width:34px;line-height:24px;margin:0 auto 2px;border-radius:12px}
.tabbar a.on{color:var(--text);font-weight:700}
.tabbar a.on .ic{background:var(--text);color:#fff}

/* 通用卡片/单元格 */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin:10px 12px}
.cell{display:flex;align-items:center;padding:13px 14px;border-bottom:1px solid #f2f2f2;gap:10px}
.cell:last-child{border-bottom:none}
.cell .lb{color:var(--sub);flex-shrink:0}
.cell .ct{flex:1;text-align:left}
.cell .arrow{color:#c2c2c2}
.sec-title{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:700;padding:14px 14px 4px}
.sec-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad)}
.tip{padding:8px 14px;color:var(--muted);font-size:13px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:20px;font-size:14px;padding:8px 18px;transition:.15s}
.btn-primary{background:var(--grad);color:#fff}
.btn-primary:active{opacity:.85}
.btn-block{display:flex;width:100%;border-radius:10px;padding:13px}
.btn-outline{background:#fff;color:#333;border:1px solid #ddd}
.btn-warn{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn-sm{padding:5px 14px;font-size:12px;border-radius:15px}
.btn.mini{padding:4px 12px;font-size:12px}

/* 金额 */
.price{color:var(--price);font-weight:700;font-style:normal}
.price i{font-style:normal;font-size:.78em;margin-right:1px}
.otprice{color:#c8c9cc;text-decoration:line-through;font-size:12px;font-weight:400}

/* 图片占位 */
.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f1f5,#e6e8ee);color:#b6bac2;font-weight:600;overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover}
.ph .em{font-size:26px}

/* 复选框/单选 */
.check{width:20px;height:20px;border-radius:50%;border:1.5px solid #ccc;background:#fff;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.check.on{background:var(--primary);border-color:var(--primary)}
.check.on::after{content:"";width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translate(-1px,-1px)}

/* 数量步进 */
.stepper{display:flex;align-items:center;gap:2px;background:#f2f3f5;border-radius:16px;padding:3px}
.stepper button{width:28px;height:28px;border-radius:50%;background:#fff;color:#333;font-size:16px;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.stepper .num{width:34px;text-align:center;font-size:14px}
.stepper button:disabled{color:#ccc}

/* toast */
#toast{position:fixed;top:45%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.75);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;z-index:999;max-width:75%;text-align:center;opacity:0;transition:.2s;pointer-events:none}
#toast.show{opacity:1}

/* 骨架/加载/空态 */
.placeholder{display:flex;flex-direction:column;align-items:center;color:#c8c9cc;padding:60px 0;font-size:14px}
.placeholder .big{font-size:44px;margin-bottom:12px}
.spin{width:18px;height:18px;border:2px solid #ddd;border-top-color:var(--primary);border-radius:50%;animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.loadmore{text-align:center;color:#999;font-size:13px;padding:14px}

/* 列表页表单通用 */
.field{margin:10px 12px;background:#fff;border-radius:var(--radius);padding:0 14px}
.field .fi{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid #f2f2f2}
.field .fi:last-child{border-bottom:none}
.field input,.field textarea{flex:1;font-size:15px}
.field textarea{resize:none;min-height:64px}

/* 通用底部操作条 */
.action-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:10px 14px;z-index:60;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.action-bar .spacer{flex:1}

/* 状态色 */
.st0{color:var(--primary)} .st1{color:var(--warn)} .st2{color:#999} .st3{color:var(--green)}