*{box-sizing:border-box}
body{margin:0;font:14px/1.6 -apple-system,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;background:#f4f5f7;color:#222}
a{color:#d32f2f;text-decoration:none}
.top{background:#1f2430;color:#fff;display:flex;align-items:center;padding:0 16px;flex-wrap:wrap;position:sticky;top:0;z-index:10}
.brand{color:#fff;font-weight:700;font-size:16px;padding:12px 16px 12px 0}.brand small{opacity:.6;font-weight:400}
.top nav{display:flex;align-items:center;flex:1;flex-wrap:wrap}
.top nav a{color:#cfd3dc;padding:14px 12px}.top nav a.on,.top nav a:hover{color:#fff;background:#2c3342}
.me{margin-left:auto;display:flex;align-items:center;gap:4px}.me a{padding:14px 6px!important}
.navt{display:none;color:#fff;font-size:22px;margin-left:auto;cursor:pointer;padding:8px}
@media(max-width:860px){.navt{display:block}.top nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch}#navt:checked~nav{display:flex}.me{margin-left:0}}
.wrap{max-width:1280px;margin:0 auto;padding:18px}.narrow{max-width:520px}
.card{background:#fff;border-radius:10px;padding:18px 20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h2,.card h3{margin:0 0 12px}
h1.page{font-size:20px;margin:4px 0 16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px}.flash.ok{background:#e8f5e9;color:#1b5e20}.flash.error{background:#ffebee;color:#b71c1c}
.btn,button.btn{display:inline-block;background:#e53935;color:#fff;border:0;border-radius:6px;padding:7px 16px;font-size:14px;cursor:pointer;line-height:1.5}
.btn:hover{filter:brightness(1.08)}.btn.ghost{background:#fff;color:#444;border:1px solid #ccc}.btn.gray{background:#607d8b}.btn.green{background:#2e7d32}.btn.sm{padding:3px 10px;font-size:13px}
.btn.block{width:100%;padding:11px;font-size:16px}.btn.big{padding:12px 28px;font-size:18px}
button.link{background:none;border:0;color:#cfd3dc;cursor:pointer;font-size:14px}
form.inline{display:inline}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #ccd;border-radius:6px;background:#fff;max-width:100%}
textarea{width:100%;min-height:70px}
label{display:block;margin-bottom:10px;color:#555}
label>input:not([type=checkbox]):not([type=radio]),label>select,label>textarea{display:block;width:100%;margin-top:3px;color:#222}
.grid{display:grid;gap:12px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:700px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:8px 10px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
th{background:#fafafa;color:#666;font-weight:600;white-space:nowrap}tr:hover td{background:#fffdf7}
.tbl{overflow-x:auto}
.muted{color:#888}.small{font-size:12px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;background:#eee;color:#555;white-space:nowrap}
.tag.unredeemed{background:#fff3e0;color:#e65100}.tag.redeemed{background:#e8f5e9;color:#2e7d32}.tag.expired{background:#eceff1;color:#607d8b}.tag.void{background:#ffebee;color:#c62828}
.tag.on{background:#e8f5e9;color:#2e7d32}.tag.off{background:#ffebee;color:#c62828}.tag.pre{background:#e3f2fd;color:#1565c0}.tag.prob{background:#f3e5f5;color:#6a1b9a}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border-radius:10px;padding:14px 16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.stat b{display:block;font-size:26px;color:#222}.stat span{color:#888;font-size:13px}
.bar{height:8px;background:#eee;border-radius:4px;overflow:hidden;min-width:80px}.bar i{display:block;height:100%;background:#e53935}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}.toolbar label{margin:0}
.pager{margin-top:12px;display:flex;gap:6px;flex-wrap:wrap}.pager a,.pager span{padding:4px 10px;border:1px solid #ddd;border-radius:4px;background:#fff}
.login-bg{background:linear-gradient(135deg,#b71c1c,#ff7043);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login{width:100%;max-width:360px;text-align:center}.login label{text-align:left}.login h1{margin:4px 0 0;font-size:22px}.login-logo{font-size:44px}
.prize-img{width:48px;height:48px;object-fit:cover;border-radius:6px;background:#f5f5f5}
.rowflex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.prow{display:grid;grid-template-columns:2fr 1fr 1fr 3fr auto auto;gap:8px;align-items:center;margin-bottom:8px}
@media(max-width:700px){.prow{grid-template-columns:1fr 1fr}}
.redeem-card{border:2px solid #eee;border-radius:12px;padding:16px;margin-bottom:12px;background:#fff}
.redeem-card .code{font-size:20px;font-weight:700;letter-spacing:1px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:4px 10px}.kv div:nth-child(odd){color:#888}
input[type=color]{height:38px;padding:2px 4px;min-width:60px}