:root{--orange:#f58220;--orange2:#ff9f43;--navy:#15365b;--navy2:#244e78;--ink:#182536;--muted:#6b798b;--line:#e4e9ef;--bg:#f4f7fa;--white:#fff;--ok:#159565;--danger:#d94c4c;--shadow:0 14px 34px rgba(24,45,69,.11)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:16px}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}
.btn{border:1px solid var(--line);background:#fff;color:#415268;border-radius:9px;padding:10px 14px;font-weight:700;transition:border-color .18s,box-shadow .18s,transform .18s}.btn:hover{border-color:#c6d0db;box-shadow:0 5px 14px rgba(24,45,69,.08);transform:translateY(-1px)}.btn.primary{background:linear-gradient(90deg,var(--orange),var(--orange2));border-color:var(--orange);color:#fff;box-shadow:0 7px 16px rgba(245,130,32,.18)}.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}.btn.danger{color:var(--danger);border-color:#f1c5c5}.btn.small{padding:7px 10px;font-size:13px}.btn:disabled{opacity:.55;cursor:not-allowed}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:800}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.badge.active,.badge.used{color:#118255;background:#e7f7f0}.badge.draft,.badge.unused{color:#cc670d;background:#fff2e6}.badge.ended,.badge.void{color:#707d8c;background:#eef1f4}
.field{margin-bottom:15px}.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid #dbe2e9;border-radius:9px;padding:11px 12px;background:#fbfcfd;outline:none;color:var(--ink)}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(245,130,32,.1)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.help{font-size:12px;color:var(--muted);line-height:1.5;margin-top:6px}
.toast{position:fixed;right:22px;bottom:22px;z-index:100;background:var(--navy);color:#fff;border-radius:10px;padding:13px 17px;box-shadow:var(--shadow);transform:translateY(100px);opacity:0;transition:.25s;max-width:360px}.toast.show{transform:none;opacity:1}.toast.error{background:#9f3131}
.modal{position:fixed;inset:0;z-index:80;background:rgba(13,27,43,.58);display:grid;place-items:center;padding:18px}.modal-card{width:min(620px,100%);max-height:90vh;overflow:hidden;background:#fff;border-radius:17px;box-shadow:0 30px 80px rgba(0,0,0,.23);display:flex;flex-direction:column}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;flex:0 0 auto}.modal-head h2{margin:0;color:var(--navy);font-size:19px}.modal-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.icon-btn{width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:#748294;font-size:24px;line-height:1}.icon-btn:hover{background:#f1f4f7;color:var(--navy)}.modal-body{padding:20px;overflow:auto}.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:9px;flex:0 0 auto;background:#fff}

/* 管理端 */
.admin-shell{min-height:100vh;display:grid;grid-template-columns:226px 1fr}.sidebar{background:var(--navy);color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 25px;font-weight:800}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(140deg,var(--orange),var(--orange2));display:grid;place-items:center;color:#fff}.brand small{display:block;font-size:12px;font-weight:400;color:#a8bdd2;margin-top:2px}.nav-label{font-size:12px;color:#88a5bf;padding:0 12px 8px}.nav-btn{width:100%;border:0;background:transparent;color:#c9d6e3;padding:12px 14px;border-radius:9px;display:flex;align-items:center;gap:12px;text-align:left;margin-bottom:4px}.nav-btn.active,.nav-btn:hover{background:rgba(255,255,255,.12);color:#fff}.nav-icon{width:22px;text-align:center}.sidebar-foot{position:absolute;bottom:20px;left:14px;right:14px}.admin-user{font-size:13px;color:#bed0df;padding:10px 12px;display:flex;justify-content:space-between;align-items:center}.admin-user button{border:0;background:none;color:#f7bc88;font-size:12px}
.main{padding:28px;min-width:0}.page{display:none}.page.active{display:block}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:22px}.page-head h1{margin:0;color:var(--navy);font-size:26px}.page-head p{margin:7px 0 0;color:var(--muted);font-size:14px}.actions{display:flex;gap:9px;flex-wrap:wrap;align-items:center}.dashboard-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.campaign-picker{min-width:220px;max-width:320px}.refresh-indicator{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px;white-space:nowrap}.refresh-indicator>span{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(21,149,101,.1)}.refresh-indicator small{display:block;color:#99a5b2;margin-top:2px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform .18s,box-shadow .18s}.stat:hover{transform:translateY(-2px);box-shadow:0 9px 22px rgba(24,45,69,.07)}.stat span{font-size:13px;color:var(--muted)}.stat strong{display:block;color:var(--navy);font-size:28px;margin:8px 0 3px}.stat small{font-size:12px;color:var(--ok)}.panel-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:18px}.panel,.table-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.panel-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.panel-head h3{margin:0;font-size:16px;color:var(--navy)}.panel-body{padding:18px}.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:9px}.progress{height:11px;background:#edf1f5;border-radius:6px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--orange),var(--orange2));border-radius:6px;transition:width .35s ease}.bar-row{display:grid;grid-template-columns:100px 1fr 36px;align-items:center;gap:10px;margin:13px 0;font-size:13px}.bar-row>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar-track{height:8px;background:#edf1f5;border-radius:5px;overflow:hidden}.bar-track i{display:block;height:100%;background:var(--navy2);border-radius:5px;transition:width .35s ease}.activity{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid #f0f2f4}.activity:last-child{border:0}.activity-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);margin-top:6px}.activity p{margin:0;font-size:13px}.activity time{color:#96a2af;font-size:12px}
.filters{padding:14px 15px;border-bottom:1px solid var(--line);display:flex;gap:9px;flex-wrap:wrap}.filters input,.filters select{border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;min-width:160px}.filters input{min-width:240px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;min-width:850px;font-size:14px}th{background:#f8fafc;color:#718094;text-align:left;font-size:12px;padding:13px 15px;white-space:nowrap}td{padding:14px 15px;border-top:1px solid #edf0f3;white-space:nowrap}tbody tr{transition:background .15s}tbody tr:hover{background:#fbfcfe}.link{border:0;background:none;padding:0;color:#176ba8;font-weight:700}.link.danger{color:var(--danger)}.empty{text-align:center;padding:55px 20px;color:var(--muted)}.empty-icon{font-size:38px;margin-bottom:10px}.card-list{display:grid;gap:13px}.campaign-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:19px 19px 19px 22px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;overflow:hidden;transition:box-shadow .18s,transform .18s}.campaign-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#c5cdd6}.campaign-card.status-active:before{background:var(--ok)}.campaign-card.status-draft:before{background:var(--orange)}.campaign-card:hover{box-shadow:0 10px 26px rgba(24,45,69,.08);transform:translateY(-1px)}.campaign-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.campaign-card h3{margin:0;color:var(--navy)}.campaign-card p{margin:9px 0 13px;color:var(--muted);font-size:13px}.mini-stats{display:flex;gap:34px;font-size:12px;color:var(--muted)}.mini-stats b{display:block;color:var(--ink);font-size:18px;margin-top:3px}.campaign-actions{display:flex;align-items:center;justify-content:flex-end;gap:9px;flex-wrap:wrap}.campaign-action{height:40px;border:1px solid var(--line);border-radius:10px;padding:0 13px;background:#fff;color:#43546a;font-weight:700;font-size:13px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap;transition:.18s}.campaign-action:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(24,45,69,.08)}.campaign-action.codes{color:#175f91;background:#f4f9fd;border-color:#cfe0ed}.campaign-action.start{color:#fff;background:var(--navy);border-color:var(--navy)}.campaign-action.end{color:var(--danger);background:#fff8f8;border-color:#f0cccc}.gift-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.gift-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.18s}.gift-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(24,45,69,.08)}.gift-image{height:135px;background:linear-gradient(145deg,#fff5e9,#eef3f7);display:grid;place-items:center;overflow:hidden}.gift-image img{width:100%;height:100%;object-fit:cover}.gift-placeholder{width:58px;height:58px;border-radius:16px;background:#fff;display:grid;place-items:center;color:var(--orange);font-weight:900;font-size:26px;box-shadow:0 8px 18px rgba(38,54,76,.08)}.gift-copy{padding:14px}.gift-copy h3{margin:0 0 5px;font-size:16px}.gift-copy p{margin:0;color:var(--muted);font-size:13px;min-height:20px}.gift-actions{display:flex;gap:12px;margin-top:13px}
.label-tip{display:inline-block;margin-left:5px;color:var(--muted);font-size:12px;font-weight:500}.gift-option-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.gift-option{position:relative;min-width:0;display:grid!important;grid-template-columns:22px 42px minmax(0,1fr);align-items:center;gap:10px;margin:0!important;padding:11px!important;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;transition:.18s}.gift-option:hover{border-color:#bdcbd8;background:#fbfcfe}.gift-option:has(.gift-option-input:checked){border-color:var(--orange);background:#fff8f1;box-shadow:0 0 0 2px rgba(245,130,32,.08)}.field .gift-option-input{position:absolute;opacity:0;width:1px;height:1px;padding:0}.gift-option-check{width:20px;height:20px;border:1.5px solid #aab5c1;border-radius:6px;display:grid;place-items:center;color:transparent;font-size:13px;background:#fff}.gift-option-input:checked+.gift-option-check{background:var(--orange);border-color:var(--orange);color:#fff}.gift-option-input:focus-visible+.gift-option-check{box-shadow:0 0 0 3px rgba(245,130,32,.18)}.gift-option-thumb{width:42px;height:42px;border-radius:9px;overflow:hidden;background:#fff0e2;color:var(--orange);display:grid;place-items:center;font-weight:900}.gift-option-thumb img{width:100%;height:100%;object-fit:cover}.gift-option-copy{min-width:0;display:block}.gift-option-copy b,.gift-option-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gift-option-copy b{font-size:13px;color:var(--ink)}.gift-option-copy small{margin-top:4px;color:var(--muted);font-size:11px;font-weight:400}
.login-layer{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 18% 15%,rgba(245,130,32,.22),transparent 28%),linear-gradient(140deg,#112d4d,#1f5076)}.login-card{width:min(410px,100%);background:#fff;border-radius:20px;padding:30px;box-shadow:0 35px 80px rgba(0,0,0,.24)}.login-logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(140deg,var(--orange),var(--orange2));display:grid;place-items:center;color:#fff;font-size:26px;font-weight:900}.login-card h1{margin:18px 0 6px;color:var(--navy);font-size:25px}.login-card>p{margin:0 0 24px;color:var(--muted);font-size:14px}.login-card .btn{width:100%;padding:12px}

/* 手机兑换端 */
.redeem-body{min-height:100vh;background:radial-gradient(circle at 20% 5%,rgba(245,130,32,.12),transparent 27%),#eef2f6;padding:24px}.redeem-app{width:min(430px,100%);margin:auto;background:#f6f7f9;min-height:calc(100vh - 48px);border-radius:22px;overflow:hidden;box-shadow:0 18px 50px rgba(27,48,73,.14);position:relative}.redeem-head{height:54px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:800;border-bottom:1px solid #edf0f3}.campaign-hero{background:linear-gradient(135deg,var(--navy),#285b86);padding:25px 20px;color:#fff;position:relative;overflow:hidden}.campaign-hero:after{content:"礼";position:absolute;right:8px;top:-43px;color:rgba(255,255,255,.06);font-size:150px;font-weight:900}.campaign-hero small{color:#ffc28a;font-weight:800}.campaign-hero h1{font-size:25px;margin:8px 0}.campaign-hero p{color:#dce8f3;font-size:13px;line-height:1.6;margin:0}.deadline{display:inline-block;margin-top:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:7px 10px;border-radius:8px;font-size:12px}.section-title{padding:18px 15px 12px;display:flex;justify-content:space-between;align-items:end}.section-title h2{margin:0;font-size:18px}.section-title span{font-size:12px;color:var(--muted)}.public-gifts{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:0 14px 95px}.public-gift{background:#fff;border:2px solid transparent;border-radius:14px;overflow:hidden;box-shadow:0 4px 13px rgba(28,48,74,.06);transition:.18s}.public-gift.selected{border-color:var(--orange)}.public-gift .gift-image{height:112px}.public-gift .gift-copy{padding:11px}.public-gift h3{font-size:15px;margin:0}.public-gift p{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.public-gift button{border:0;width:100%;border-radius:8px;background:#fff2e6;color:#cd660b;padding:8px;margin-top:9px;font-size:13px;font-weight:800}.public-gift.selected button{background:var(--orange);color:#fff}.bottom-action{position:absolute;bottom:0;left:0;right:0;padding:12px 15px max(16px,env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line)}.bottom-action .btn{width:100%;padding:13px}.redeem-section{padding-bottom:82px}.selected-gift{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:16px}.selected-gift .gift-image{width:60px;height:60px;border-radius:11px;flex:0 0 auto}.form-card{margin:14px;background:#fff;padding:17px;border-radius:15px}.notice{background:#fff5e8;color:#8b5b2e;font-size:12px;line-height:1.55;padding:10px 12px;border-radius:9px}.state{text-align:center;padding:75px 24px}.state-icon{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#e6f7ef;color:var(--ok);font-size:40px}.state.error .state-icon{background:#fff0ed;color:var(--danger)}.state h1{font-size:23px;margin:18px 0 8px}.state p{color:var(--muted);font-size:14px;line-height:1.75}.receipt{margin-top:22px;background:#fff;border-radius:13px;padding:14px;text-align:left}.receipt-row{display:flex;justify-content:space-between;gap:15px;padding:9px 0;border-bottom:1px solid #eff2f4;font-size:14px}.receipt-row:last-child{border:0}.receipt-row span{color:var(--muted)}.loading{padding:100px 20px;text-align:center;color:var(--muted)}
@media(max-width:1100px){.dashboard-head{align-items:stretch}.dashboard-tools{max-width:540px}.refresh-indicator{order:3;width:100%;justify-content:flex-end}.campaign-card{gap:16px}.campaign-actions{max-width:210px}}
@media(max-width:900px){.admin-shell{grid-template-columns:72px 1fr}.brand{padding:0 4px 22px}.brand>span:last-child,.nav-btn span:not(.nav-icon),.nav-label,.admin-user span{display:none}.nav-btn{justify-content:center}.main{padding:18px}.page-head{flex-wrap:wrap}.dashboard-tools{max-width:none;width:100%;justify-content:flex-start}.refresh-indicator{order:0;width:auto;margin-right:auto}.stats{grid-template-columns:1fr 1fr}.panel-grid{grid-template-columns:1fr}.gift-cards{grid-template-columns:1fr 1fr}.campaign-card{grid-template-columns:1fr}.campaign-actions{max-width:none;justify-content:flex-start}}
@media(max-width:560px){.redeem-body{padding:0}.redeem-app{min-height:100vh;border-radius:0}.admin-shell{display:block}.sidebar{position:fixed;z-index:30;top:auto;bottom:0;width:100%;height:64px;padding:7px;display:flex;justify-content:space-around}.brand,.nav-label,.sidebar-foot{display:none}.nav-btn{width:auto;padding:10px;margin:0}.main{padding:15px 14px 82px}.page-head h1{font-size:22px}.dashboard-tools{display:grid;grid-template-columns:1fr auto}.refresh-indicator{grid-column:1/-1;justify-content:flex-start}.campaign-picker{min-width:0;width:100%}.stats{gap:9px}.stat{padding:14px}.stat strong{font-size:22px}.campaign-card{grid-template-columns:1fr}.campaign-actions{display:grid;grid-template-columns:1fr 1fr}.campaign-action{justify-content:center}.gift-cards{grid-template-columns:1fr 1fr}.gift-option-grid{grid-template-columns:1fr}.field-row{grid-template-columns:1fr}.filters input{min-width:100%}}