:root{--paper:#f7f1e3;--paper-raised:#fffaf0;--ink:#3d3129;--ink-soft:#6b5d4f;--accent:#c0392b;--accent-soft:#e8b4a0;--tape:#e8c97a8c;--province-unvisited:#f2d16b;--province-unvisited-stroke:#c9a227;--province-visited:#58a05c;--province-visited-stroke:#336b38;--province-label:#5b4a1f;--province-hover:#e98f2f;--map-sea:#cfe4ec;--card-border:#d8c9a8;--shadow:#5d4a302e;--focus-ring:#1a6fb5;--error-bg:#fbe4df;--error-ink:#8f2d1d;--notice-bg:#e2f0e0;--notice-ink:#2c5e2e}:root[data-theme=dark]{--paper:#221d18;--paper-raised:#2d2721;--ink:#ece2d0;--ink-soft:#b8a88f;--accent:#e0684f;--accent-soft:#7a4438;--tape:#7a643880;--province-unvisited:#b3902e;--province-unvisited-stroke:#8a6d1c;--province-visited:#4c8f52;--province-visited-stroke:#35703c;--province-label:#f4e8c8;--province-hover:#d07a28;--map-sea:#25333a;--card-border:#4d4234;--shadow:#00000073;--focus-ring:#7ab8f0;--error-bg:#472019;--error-ink:#f0b3a4;--notice-bg:#223a24;--notice-ink:#a8d8ab}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:clip}body{background-color:var(--paper);background-image:radial-gradient(circle at 1px 1px, var(--shadow) 1px, transparent 0);color:var(--ink);background-size:22px 22px;min-width:0;font-family:Songti SC,STSong,Noto Serif CJK SC,Source Han Serif SC,SimSun,serif;line-height:1.65}#app{min-width:0;max-width:1080px;margin:0 auto;padding:1rem 1rem 3rem}h1,h2,h3{font-family:Kaiti SC,STKaiti,KaiTi,Noto Serif CJK SC,serif;line-height:1.3}.site-header{border-bottom:2px dashed var(--card-border);flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:.75rem;margin-bottom:1.5rem;padding:1.25rem 0 1rem;display:flex}.site-title{letter-spacing:.08em;margin:0;font-size:2rem}.site-title:after{content:"";background:var(--tape);border-radius:2px;width:4.5em;height:.35em;margin-top:.1em;display:block;transform:rotate(-1.2deg)}.site-subtitle{color:var(--ink-soft);margin:.4rem 0 0}.header-actions{align-items:center;gap:.75rem;display:flex}.btn,.theme-toggle,.admin-link{border:1.5px solid var(--card-border);background:var(--paper-raised);min-width:44px;min-height:44px;color:var(--ink);font:inherit;cursor:pointer;box-shadow:1px 2px 0 var(--shadow);border-radius:8px 12px;justify-content:center;align-items:center;padding:.5rem 1rem;text-decoration:none;display:inline-flex}.btn:hover,.theme-toggle:hover,.admin-link:hover{border-color:var(--accent);color:var(--accent)}.btn[disabled]{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fffaf0}.btn-primary:hover{color:#fffaf0;filter:brightness(1.08)}.btn-danger{border-color:var(--error-ink);color:var(--error-ink)}.btn-small{min-height:44px;padding:.35rem .8rem}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px;border-radius:4px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.9rem;margin:0;padding:0;list-style:none;display:grid}.stat-card{background:var(--paper-raised);border:1px solid var(--card-border);text-align:center;box-shadow:2px 3px 0 var(--shadow);border-radius:4px;padding:.9rem 1rem;position:relative}.stat-card:before{content:"";background:var(--tape);border-radius:2px;width:3.2rem;height:1rem;margin-left:-1.6rem;position:absolute;top:-.55rem;left:50%;transform:rotate(-2deg)}.stat-value{color:var(--accent);font-size:1.9rem;font-weight:700;display:block}.stat-label{color:var(--ink-soft)}.map-section h2,.stats-section h2,.timeline-section h2{margin:1.6rem 0 .8rem}.map-legend{flex-wrap:wrap;gap:1.25rem;margin:0 0 .8rem;padding:0;list-style:none;display:flex}.map-legend li{align-items:center;gap:.5rem;display:inline-flex}.swatch{border-radius:4px;width:1.4rem;height:1.4rem;display:inline-block}.swatch-unvisited{background:var(--province-unvisited);border:2px solid var(--province-unvisited-stroke)}.swatch-visited{background:var(--province-visited);border:2px solid var(--province-visited-stroke)}.map-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start;gap:1.25rem;display:grid}.map-wrap{background:var(--map-sea);border:1px solid var(--card-border);box-shadow:2px 3px 0 var(--shadow);border-radius:8px;min-width:0;padding:.75rem;position:relative}.china-map{width:100%;height:auto;display:block}.province path{fill:var(--province-unvisited);stroke:var(--province-unvisited-stroke);stroke-width:1.2px;transition:fill .15s}.province.visited path{fill:var(--province-visited);stroke:var(--province-visited-stroke)}.province{cursor:pointer;outline:none}.province:hover path,.province:focus path,.province.selected path{fill:var(--province-hover)}.province:focus path{stroke:var(--focus-ring);stroke-width:2.4px}.province-label{fill:var(--province-label);text-anchor:middle;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:15px}.province-label-small{fill:var(--province-label);text-anchor:middle;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:12px}.map-decor{fill:none;stroke:var(--ink-soft);stroke-width:1px;stroke-dasharray:4 3;opacity:.6}.map-popover{z-index:10;background:var(--paper-raised);border:1.5px solid var(--card-border);width:min(17rem,80vw);max-height:16rem;box-shadow:3px 4px 0 var(--shadow);pointer-events:none;border-radius:6px;padding:.7rem .9rem;font-size:.92rem;position:absolute;overflow-y:auto;transform:translate(-50%,calc(-100% - 14px))}.map-popover[hidden]{display:none}.province-detail-title{margin:0 0 .2rem;font-size:1.15rem}.province-detail-status{color:var(--ink-soft);margin:0 0 .4rem}.province-records{margin:0;padding-left:1.1rem}.province-record{margin-bottom:.25rem}.province-panel{background:var(--paper-raised);border:1px solid var(--card-border);box-shadow:2px 3px 0 var(--shadow);border-radius:8px;min-width:0;padding:1rem 1.2rem}.province-panel h3{margin-top:0}.province-detail-hint{color:var(--ink-soft)}.timeline-year{border-left:3px dashed var(--card-border);margin:0 0 1.4rem .4rem;padding-left:1.1rem;position:relative}.timeline-year:before{content:"";background:var(--accent);border:2px solid var(--paper);border-radius:50%;width:.9rem;height:.9rem;position:absolute;top:.5rem;left:-.62rem}.timeline-year-title{color:var(--accent);margin:0 0 .4rem}.timeline-records{margin:0;padding-left:1.2rem}.timeline-record{margin-bottom:.35rem}.loading-box,.empty-box{text-align:center;color:var(--ink-soft);padding:1.5rem}.error-box{background:var(--error-bg);color:var(--error-ink);border:1px solid var(--error-ink);border-radius:6px;margin:.6rem 0;padding:.8rem 1rem}.notice{background:var(--notice-bg);color:var(--notice-ink);border-radius:6px;padding:.6rem .9rem}.warning{color:var(--error-ink);font-weight:600}.login-main{max-width:26rem;margin:3rem auto}.login-form,.concert-form,.settings-form{background:var(--paper-raised);border:1px solid var(--card-border);box-shadow:2px 3px 0 var(--shadow);border-radius:8px;padding:1.2rem 1.4rem}.login-title{margin-top:0}.form-field{min-width:0;margin-bottom:.9rem}.form-field label{margin-bottom:.3rem;font-weight:600;display:block}.form-field input,.form-field select,.form-field textarea{width:100%;min-height:44px;font:inherit;color:var(--ink);background:var(--paper);border:1.5px solid var(--card-border);border-radius:6px;padding:.5rem .7rem}.field-error{min-height:1.2em;color:var(--error-ink);margin:.2rem 0 0;font-size:.9rem}.form-actions{flex-wrap:wrap;gap:.75rem;margin-top:.6rem;display:flex}.admin-main section{margin-bottom:2rem}.record-list{margin:.8rem 0 0;padding:0;list-style:none}.record-item{background:var(--paper-raised);border:1px solid var(--card-border);border-radius:6px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.6rem;margin-bottom:.6rem;padding:.6rem .9rem;display:flex}.record-summary{min-width:0;margin:0}.record-actions{gap:.5rem;display:flex}.export-controls,.import-controls{flex-wrap:wrap;align-items:center;gap:.8rem;margin-bottom:1rem;display:flex}.import-controls{flex-direction:column;align-items:stretch}.import-mode{border:1px solid var(--card-border);border-radius:6px;flex-wrap:wrap;gap:1rem;padding:.7rem 1rem;display:flex}.import-mode label{align-items:center;gap:.4rem;min-height:44px;display:inline-flex}.import-summary{background:var(--paper-raised);border:1px solid var(--card-border);border-radius:6px;padding:.8rem 1rem}.import-sample,.import-errors{padding-left:1.2rem}.import-errors{color:var(--error-ink)}@media (width<=720px){#app{padding:.75rem .75rem 2.5rem}.site-title{font-size:1.55rem}.map-layout{grid-template-columns:minmax(0,1fr)}.province-label{font-size:13px}.province-label-small{font-size:11px}.map-popover{width:min(15rem,78vw)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}