*{box-sizing:border-box;margin:0;padding:0}body{font:14px/1.5 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:#F5F5F5;color:#222;max-width:520px;margin:0 auto;padding-bottom:60px}
button{border:0;cursor:pointer;font:inherit}input{font:inherit}
.y{background:linear-gradient(180deg,#FFD100,#FFC300)}
.top{padding:10px 12px 14px}.top h1{font-size:18px;margin-bottom:8px}.search{display:flex;background:#fff;border-radius:20px;padding:7px 14px;color:#999}.search input{border:0;outline:0;flex:1}
.grid{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;margin:10px;border-radius:12px;padding:12px 0}.grid div{text-align:center;font-size:12px;cursor:pointer}.grid span{display:block;font-size:26px}
.card{background:#fff;border-radius:12px;margin:10px;padding:12px}
.shop{display:flex;gap:10px;cursor:pointer}.logo{width:72px;height:72px;border-radius:8px;background:#FFF4CC;font-size:40px;display:flex;align-items:center;justify-content:center;flex:none}
.shop h3{font-size:16px}.muted{color:#999;font-size:12px}.star{color:#FF7A00;font-weight:bold}
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:520px;display:flex;background:#fff;border-top:1px solid #eee;height:54px}.tabbar a{flex:1;text-align:center;color:#666;text-decoration:none;font-size:12px;padding-top:4px}.tabbar a span{display:block;font-size:20px}.tabbar a.on{color:#222;font-weight:bold}
.btn{background:#FFC300;color:#222;border-radius:22px;padding:10px 18px;font-weight:bold}.btn.full{width:100%;margin-top:10px}.btn.gray{background:#eee}.btn:disabled{opacity:.5}
.menu{display:flex;height:calc(100vh - 230px);background:#fff}.cats{width:84px;background:#F5F5F5;overflow:auto}.cats div{padding:14px 8px;font-size:13px;cursor:pointer}.cats div.on{background:#fff;font-weight:bold;border-left:3px solid #FFC300}
.prods{flex:1;overflow:auto;padding:0 10px}.prod{display:flex;gap:8px;padding:10px 0;border-bottom:1px solid #f3f3f3}.prod .logo{width:64px;height:64px;font-size:32px}.prod .info{flex:1}.price{color:#FF4A26;font-weight:bold;font-size:16px}
.qty{display:flex;align-items:center;gap:8px;margin-top:4px}.qty button{width:22px;height:22px;border-radius:50%;background:#FFC300;font-weight:bold}.qty button.m{background:#fff;border:1px solid #ccc}
.cartbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:520px;display:flex;align-items:center;background:#333;color:#fff;height:56px;padding-left:14px;z-index:5}.cartbar .sum{flex:1}.cartbar button{height:100%;padding:0 26px;background:#FFC300;font-weight:bold;font-size:16px}.cartbar button:disabled{background:#666;color:#aaa}
.hd{display:flex;align-items:center;gap:8px;padding:12px}.hd a{text-decoration:none;color:#222;font-size:20px}
.row{display:flex;justify-content:space-between;padding:4px 0}.tot{font-size:18px;font-weight:bold;color:#FF4A26}
.methods label{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid #f3f3f3;font-size:15px}.methods input{margin-left:auto;accent-color:#FFC300;width:18px;height:18px}
.field{display:flex;background:#F5F5F5;border-radius:22px;padding:10px 14px;margin:10px 0}.field input{border:0;background:none;outline:0;flex:1}
.tag{display:inline-block;padding:0 8px;border-radius:10px;font-size:12px;background:#FFF4CC;color:#B07800}
.result{text-align:center;padding:40px 10px}.result .ic{font-size:64px}.result h2{margin:10px 0}
#toast{position:fixed;top:40%;left:50%;transform:translate(-50%);background:rgba(0,0,0,.75);color:#fff;padding:10px 18px;border-radius:8px;opacity:0;transition:.2s;pointer-events:none;z-index:99}#toast.show{opacity:1}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:20}.sheet{background:#fff;width:100%;max-width:520px;border-radius:16px 16px 0 0;padding:16px}
.linkbox{word-break:break-all;background:#F5F5F5;padding:10px;border-radius:8px;font-size:12px;margin:8px 0}