:root{--ink:#f5f1e8;--muted:#aaa99f;--night:#0d1211;--panel:#151b19;--panel-soft:#1c2421;--gold:#d8b85e;--cyan:#77d4cc;--purple:#ad8acf;--line:rgba(255,255,255,.1)}
[hidden]{display:none!important}
*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--night);color:var(--ink)}button,input,textarea{font:inherit}button{cursor:pointer}.eyebrow{margin:0 0 9px;color:var(--gold);font-size:11px;font-weight:700;letter-spacing:.23em}.welcome{position:relative;min-height:100vh;display:grid;place-items:center;overflow:hidden}.welcome__photo,.welcome__shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.welcome__photo{filter:saturate(.72) contrast(1.08)}.welcome__shade{background:linear-gradient(90deg,rgba(5,9,8,.96),rgba(5,9,8,.8) 46%,rgba(5,9,8,.35)),linear-gradient(0deg,rgba(5,9,8,.88),transparent 48%)}.welcome__content{position:relative;width:min(1120px,calc(100% - 48px));padding:70px 0}.welcome h1{margin:0;font-family:STSong,"Songti SC",serif;font-size:clamp(48px,7vw,92px);line-height:1.04;letter-spacing:-.05em}.welcome__subtitle{margin:12px 0 26px;color:var(--gold);font-size:clamp(18px,2.3vw,30px);letter-spacing:.08em}.welcome__intro{max-width:620px;margin:0 0 34px;color:#d1d0c8;line-height:1.8}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:950px;margin-bottom:26px}.mode-card{min-height:128px;padding:18px;text-align:left;color:var(--ink);background:rgba(20,27,25,.78);border:1px solid var(--line);border-radius:16px;backdrop-filter:blur(14px);transition:.2s}.mode-card:hover,.mode-card--active{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 16px 38px rgba(0,0,0,.25)}.mode-card span{display:block;color:var(--gold);font-size:12px;margin-bottom:8px}.mode-card strong{display:block;font-size:18px;margin-bottom:8px}.mode-card small{display:block;color:var(--muted);line-height:1.55}.primary-action,.secondary-action{border:0;border-radius:10px;font-weight:700}.primary-action{padding:14px 24px;color:#111;background:var(--gold)}.primary-action:hover{background:#ecd078}.experience{height:100vh;overflow:hidden}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);background:#101513}.brand-lockup{display:flex;align-items:center;gap:13px}.brand-lockup strong,.brand-lockup span{display:block}.brand-lockup strong{font-family:STSong,"Songti SC",serif;font-size:19px}.brand-lockup span{margin-top:2px;color:var(--muted);font-size:11px}.icon-button{width:36px;height:36px;color:var(--ink);background:var(--panel-soft);border:1px solid var(--line);border-radius:50%}.journey-stats{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:12px}.journey-stats b{color:var(--ink);font-size:17px}.mode-pill{padding:7px 11px;color:#101513;background:var(--cyan);border-radius:20px;font-weight:700}.workspace{display:grid;grid-template-columns:260px minmax(420px,1fr) 330px;height:calc(100vh - 72px)}.route-panel,.mission-panel{position:relative;z-index:500;background:rgba(18,24,22,.97)}.route-panel{display:flex;flex-direction:column;border-right:1px solid var(--line)}.panel-heading{padding:22px 20px 14px}.panel-heading h2{margin:0 0 8px;font-size:22px}.panel-heading>p:last-child{margin:0;color:var(--muted);font-size:12px;line-height:1.55}.progress{height:3px;margin:0 20px 10px;background:#2a322f}.progress span{display:block;width:20%;height:100%;background:linear-gradient(90deg,var(--gold),var(--cyan));transition:.3s}.city-list{flex:1;overflow:auto}.city-item{width:100%;display:grid;grid-template-columns:28px 1fr auto;gap:8px;align-items:center;padding:13px 18px;color:var(--muted);text-align:left;background:transparent;border:0;border-left:3px solid transparent}.city-item:hover,.city-item--active{background:rgba(119,212,204,.07);border-left-color:var(--cyan)}.city-index{color:#666;font-size:11px}.city-name{display:block;color:var(--ink);font-size:13px;font-weight:700}.city-team{display:block;margin-top:3px;color:#717a76;font-size:10px}.city-state{width:9px;height:9px;border:2px solid #5f6764;border-radius:50%}.city-item--visited .city-state{background:var(--gold);border-color:var(--gold)}.city-item--custom .city-state{background:var(--purple);border-color:var(--purple)}.secondary-action{margin:14px;padding:12px;color:var(--ink);background:#242c29;border:1px solid var(--line)}.map-stage{position:relative;min-width:0}.map-stage #map{height:100%;background:#101a1c}.leaflet-container{font-family:inherit}.leaflet-control-attribution{display:none}.leaflet-control-zoom a{color:var(--ink)!important;background:var(--panel)!important;border-color:var(--line)!important}.leaflet-tooltip.city-tooltip{padding:6px 9px;color:var(--ink);background:#151b19;border:1px solid var(--line);border-radius:7px;box-shadow:none;font-size:11px}.leaflet-tooltip.city-tooltip:before{display:none}.city-marker{width:16px;height:16px;border:3px solid #edf9f6;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 7px rgba(119,212,204,.16),0 0 18px rgba(119,212,204,.7)}.city-marker.home{background:var(--gold);box-shadow:0 0 0 7px rgba(216,184,94,.17),0 0 18px rgba(216,184,94,.75)}.city-marker.custom{background:var(--purple);box-shadow:0 0 0 7px rgba(173,138,207,.16),0 0 18px rgba(173,138,207,.65)}.map-legend{position:absolute;z-index:450;left:14px;bottom:15px;display:flex;gap:13px;padding:9px 12px;color:#c8ccc9;background:rgba(13,18,17,.88);border:1px solid var(--line);border-radius:10px;font-size:10px;backdrop-filter:blur(10px)}.map-legend span{display:flex;align-items:center;gap:6px}.dot{width:7px;height:7px;border-radius:50%}.dot--home{background:var(--gold)}.dot--route{background:var(--cyan)}.dot--new{background:var(--purple)}.map-reset{position:absolute;z-index:450;right:14px;bottom:15px;padding:9px 12px;color:var(--ink);background:rgba(13,18,17,.88);border:1px solid var(--line);border-radius:9px}.mission-panel{padding:24px 22px;overflow:auto;border-left:1px solid var(--line)}.mission-number{color:var(--cyan);font-size:11px;letter-spacing:.15em}.mission-panel h2{margin:7px 0 5px;font-family:STSong,"Songti SC",serif;font-size:27px}.coordinates{color:#69736f;font-family:monospace;font-size:11px}.city-summary{margin:20px 0;color:#c1c4bf;font-size:13px;line-height:1.75}.mission-card{margin:10px 0;padding:15px;background:var(--panel-soft);border:1px solid var(--line);border-radius:13px}.mission-card small{display:block;color:var(--gold);font-size:10px;letter-spacing:.15em}.mission-card strong{display:block;margin:5px 0;font-size:14px}.mission-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.6}.mission-card--relay{border-color:rgba(173,138,207,.35)}.mission-actions{display:grid;gap:9px;margin-top:18px}.mission-actions button{width:100%}.text-action{padding:11px;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:9px}.stamp{margin-top:16px;padding:12px;color:var(--gold);background:rgba(216,184,94,.08);border:1px dashed rgba(216,184,94,.5);border-radius:10px;text-align:center;font-size:12px}dialog{width:min(480px,calc(100% - 30px));padding:0;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.65)}dialog::backdrop{background:rgba(4,8,7,.78);backdrop-filter:blur(8px)}dialog form{position:relative;padding:28px}dialog h2{margin:0 0 8px;font-size:26px}dialog p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:1.6}dialog label{display:block;margin:15px 0;color:#d9d8d1;font-size:12px}dialog input,dialog textarea{width:100%;margin-top:7px;padding:11px 12px;color:var(--ink);background:#0f1413;border:1px solid var(--line);border-radius:8px;outline:none}dialog input:focus,dialog textarea:focus{border-color:var(--cyan)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dialog-close{position:absolute;right:18px;top:14px;color:var(--muted);background:transparent;border:0;font-size:24px}.upload-field span{display:block;margin-top:6px;color:#69736f;font-size:10px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.work-dialog{width:min(560px,calc(100% - 30px))}
@media(max-width:980px){.workspace{grid-template-columns:220px 1fr}.mission-panel{position:absolute;right:12px;top:84px;bottom:12px;width:310px;border:1px solid var(--line);border-radius:16px;box-shadow:0 25px 60px rgba(0,0,0,.45)}.journey-stats span:not(.mode-pill){display:none}}
@media(max-width:720px){.welcome__content{width:min(100% - 30px,520px);padding:34px 0}.mode-grid{grid-template-columns:1fr}.welcome h1{font-size:48px}.experience{height:auto;min-height:100vh;overflow:auto}.topbar{height:auto;padding:13px}.journey-stats{gap:8px}.workspace{display:flex;flex-direction:column;height:auto}.route-panel{order:2}.panel-heading,.progress{display:none}.city-list{display:flex;overflow-x:auto}.city-item{min-width:175px;border-left:0;border-bottom:3px solid transparent}.city-item--active{border-bottom-color:var(--cyan)}.secondary-action{white-space:nowrap}.map-stage{order:1;height:54vh;min-height:390px}.mission-panel{position:static;order:3;width:auto;min-height:460px;border:0;border-top:1px solid var(--line);border-radius:0}.map-legend{display:none}.brand-lockup span{display:none}}