:root{
  --bg:#f5f6fa; --card:#fff; --primary:#5b6cff; --primary-d:#3f4fd6;
  --gold:#ff9f1c; --text:#222; --sub:#8a8f99; --line:#eee; --ok:#23c08b; --bad:#ff5b5b;
  --radius:16px; --shadow:0 4px 16px rgba(0,0,0,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:15px;max-width:480px;margin:0 auto;}
#app{padding:16px 16px 84px;min-height:100vh}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}
.row{display:flex;align-items:center;justify-content:space-between}
.muted{color:var(--sub);font-size:13px}
.btn{display:block;width:100%;border:none;border-radius:12px;padding:14px;font-size:16px;
  font-weight:600;color:#fff;background:var(--primary);cursor:pointer}
.btn:active{opacity:.85}
.btn.gold{background:var(--gold)}
.btn.ghost{background:#eef0ff;color:var(--primary-d)}
.btn.line{background:#fff;color:var(--primary-d);border:1px solid var(--primary)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:15px;margin-bottom:10px}
h2{font-size:18px;margin:0 0 4px}
.section-title{font-size:13px;color:var(--sub);margin:6px 2px}
/* 顶部 */
.hero{background:linear-gradient(135deg,var(--primary),#8a7bff);color:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:14px}
.hero .big{font-size:30px;font-weight:800}
.jar{margin-top:12px;background:rgba(255,255,255,.16);border-radius:12px;padding:12px}
.jar .bar{height:10px;background:rgba(255,255,255,.3);border-radius:5px;overflow:hidden;margin-top:8px}
.jar .bar>i{display:block;height:100%;background:#fff;border-radius:5px}
/* 里程碑 */
.ms{display:flex;gap:8px;overflow-x:auto;padding:4px 0}
.ms .chip{flex:0 0 auto;min-width:84px;background:#fafbff;border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.ms .chip.done{border-color:var(--ok);background:#effdf6}
.ms .chip .d{font-size:12px;color:var(--sub)}
.ms .chip .a{font-size:17px;font-weight:700}
.ms .chip .s{font-size:11px;color:var(--ok)}
/* tab */
#tabbar{position:fixed;left:0;right:0;bottom:0;max-width:480px;margin:0 auto;display:flex;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -2px 10px rgba(0,0,0,.04)}
#tabbar .tab{flex:1;text-align:center;padding:8px 0;font-size:11px;color:var(--sub);cursor:pointer}
#tabbar .tab.active{color:var(--primary);font-weight:700}
#tabbar .tab .ic{font-size:20px;display:block;margin-bottom:2px}
/* toast */
.toast{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%);background:rgba(0,0,0,.8);
  color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;z-index:50;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1}
/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:40;padding:20px}
.modal-mask.hidden{display:none}
.modal{background:#fff;border-radius:18px;padding:20px;width:100%;max-width:340px}
.modal h3{margin:0 0 10px}
.opt{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.opt.recommend{border-color:var(--gold);background:#fff8ef}
.opt .t{font-weight:700;display:flex;justify-content:space-between}
.opt .r{font-size:11px;color:var(--bad)}
.tag{display:inline-block;background:#eef0ff;color:var(--primary-d);font-size:11px;padding:2px 8px;border-radius:8px;margin-left:6px}
.center{text-align:center}
.pill{display:inline-block;background:#f0f1f6;border-radius:20px;padding:4px 12px;font-size:13px;color:#555}
.fade{animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.hidden{display:none!important}
.code-row{display:flex;gap:8px;align-items:center}
.code-row input{flex:1;margin-bottom:0}
.btn.ghost.sm{padding:8px 10px;font-size:13px;white-space:nowrap;background:#fff;color:#333;border:1px solid #ddd;margin:0}
.btn.ghost.sm:disabled{opacity:.5}
.dev{font-size:12px;color:#e0913a;margin:-4px 0 8px}
/* 社交竞技 */
.rankcard .badge{background:linear-gradient(135deg,var(--gold),#ffb347);color:#fff;font-size:22px;font-weight:800;
  border-radius:14px;padding:8px 14px;box-shadow:0 3px 10px rgba(255,159,28,.35)}
.rankcard .jar{background:#fafbff;border:1px solid var(--line)}
.rankcard .jar .bar{background:#eee}
.rankcard .jar .bar>i{background:var(--gold)}
.row.sm{font-size:14px;padding:6px 0;border-bottom:1px solid var(--line)}
.row.sm:last-child{border-bottom:none}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--sub);margin-left:4px;vertical-align:middle}
.dot.ok{background:var(--ok)}
.kick{color:var(--bad);font-size:12px;margin-left:6px;text-decoration:none}
.btn.ghost.danger{background:#fff0f0;color:var(--bad);border:1px solid #ffd5d5}
.toggle{display:inline-flex;background:#f0f1f6;border-radius:10px;padding:2px}
.toggle .tg{font-size:12px;padding:4px 12px;border-radius:8px;color:var(--sub);cursor:pointer}
.toggle .tg.on{background:#fff;color:var(--primary-d);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08)}
.lblist{margin-top:10px;max-height:440px;overflow-y:auto}
.lbrow{display:flex;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px solid var(--line);font-size:14px}
.lbrow:last-child{border-bottom:none}
.lbrow .pos{width:26px;text-align:center;font-weight:800;color:var(--sub)}
.lbrow:nth-child(1) .pos{color:#ffb300}
.lbrow:nth-child(2) .pos{color:#9aa3b2}
.lbrow:nth-child(3) .pos{color:#cd7f32}
.lbrow .nm{flex:1;font-weight:600}
.lbrow .sc{font-size:11px;color:var(--sub)}
.lbrow.me{background:#fff8ef;border-radius:8px}
.lbrow.me .nm{color:var(--gold)}
/* 留存相关 */
.card.highlight{border-color:var(--ok);background:#effdf6}
.card.nudge{background:linear-gradient(135deg,#fff3e0,#ffe6cc);border:none;color:#7a4b00;font-weight:600;font-size:14px}
.card.nudge::before{content:''}
.card.proof{background:#eaf5ee;color:#2e7d52;font-weight:500;font-size:13px;border:1px solid #cfe8d8}
/* 成就墙 */
.badges{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
.badge-cell{background:#fafbff;border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center}
.badge-cell.on{border-color:var(--gold);background:#fff8ef;box-shadow:0 2px 8px rgba(255,159,28,.18)}
.badge-cell .bic{font-size:30px}
.badge-cell .bn{font-weight:700;margin:4px 0 2px}
.badge-cell .bd{font-size:11px;color:var(--sub);line-height:1.35}
.badge-cell:not(.on) .bic{filter:grayscale(1);opacity:.45}
/* 热力图 */
.heat{display:flex;flex-direction:column;gap:3px;margin-top:8px}
.heat .wk{display:flex;gap:3px}
.heat .cell{flex:1;height:14px;border-radius:3px;background:#f0f1f6}
.heat .cell.on{background:var(--primary)}
/* ===== 营销登录页（暗色）=====
   目标：让访问者第一时间理解"免费、白赚、能拿",而不是先被规则劝退。
   详细规则仍在 App 内披露入口可查,营销页只承担"钩子"职责。 */
body.mk{background:#0f1320;color:#fff}
.mk-wrap{max-width:420px;margin:0 auto;padding:48px 20px 32px;text-align:center}
.mk-pill{display:inline-block;border:1px solid #e9b85a;color:#e9b85a;border-radius:999px;
  padding:5px 14px;font-size:12px;letter-spacing:.5px;font-weight:500}
.mk-title{font-size:30px;font-weight:800;line-height:1.35;margin:24px 0 0;color:#fff}
.mk-title .accent{color:#e9b85a}
.mk-sub{color:#9aa3c4;font-size:14px;line-height:1.65;margin:16px 0 0}
.mk-proof{color:#6bdc9a;font-size:13px;font-weight:500;margin:14px 0 0;min-height:18px;text-align:center}
.mk-card{background:#161b2e;border-radius:16px;padding:22px 18px;margin-top:32px;text-align:left}
.mk-card input{width:100%;background:#0f1424;border:1px solid #2a3050;color:#fff;
  border-radius:10px;padding:14px;font-size:15px;margin-bottom:12px;outline:none;
  font-family:inherit}
.mk-card input::placeholder{color:#6b7390}
.mk-card input:focus{border-color:#5b6cff}
.mk-card .btn{margin-top:6px;padding:16px;font-size:16px;border-radius:12px;
  background:#5b6cff;color:#fff;font-weight:600}
.mk-card .btn[disabled]{opacity:.6}
.mk-bottom{color:#8a92ac;font-size:12px;line-height:1.7;margin-top:28px;text-align:center}