:root{--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16213e;--bg-hover:#1e2a4a;--text-primary:#e8e8f0;--text-secondary:#a0a0b8;--text-muted:#6b6b80;--border-color:#2a2a4a;--accent-gold:#d4a843;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--radius:10px;--shadow:0 4px 20px #0000004d;--transition:all .2s ease}*{box-sizing:border-box}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}.app{flex-direction:column;max-width:1200px;min-height:100vh;margin:0 auto;padding:0 20px;display:flex}.app-header{text-align:center;border-bottom:1px solid var(--border-color);margin-bottom:20px;padding:40px 20px 20px}.app-title{color:var(--accent-gold);letter-spacing:4px;margin:0;font-size:32px;font-weight:700}.app-subtitle{color:var(--text-secondary);margin:8px 0 0;font-size:14px}.view-toggle{border:1px solid var(--border-color);border-radius:var(--radius);justify-content:center;align-items:center;gap:0;width:fit-content;margin-top:14px;margin-left:auto;margin-right:auto;display:flex;overflow:hidden}.toggle-btn{font-size:13px;font-family:var(--font-sans);color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;padding:7px 20px}.toggle-btn.active{background:var(--accent-gold);color:var(--bg-primary);font-weight:600}.toggle-btn:not(.active):hover{color:var(--accent-gold);background:var(--bg-hover)}.search-bar{max-width:600px;margin:0 auto 24px;position:relative}.search-input{border:1px solid var(--border-color);border-radius:var(--radius);background:var(--bg-secondary);width:100%;color:var(--text-primary);font-size:15px;font-family:var(--font-sans);transition:var(--transition);outline:none;padding:14px 20px}.search-input:focus{border-color:var(--accent-gold);box-shadow:0 0 0 3px #d4a84326}.search-input::placeholder{color:var(--text-muted)}.search-results{z-index:100;background:var(--bg-card);border:1px solid var(--border-color);border-radius:0 0 var(--radius) var(--radius);max-height:400px;box-shadow:var(--shadow);position:absolute;top:100%;left:0;right:0;overflow-y:auto}.search-item{cursor:pointer;transition:var(--transition);border-bottom:1px solid var(--border-color);align-items:center;gap:12px;padding:12px 16px;display:flex}.search-item:last-child{border-bottom:none}.search-item:hover{background:var(--bg-hover)}.search-item-type{flex-shrink:0;font-size:20px}.search-item-text{flex-direction:column;min-width:0;display:flex}.search-item-label{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.search-item-sub{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.search-empty{text-align:center;color:var(--text-muted);padding:20px}.zoom-controls{-webkit-user-select:none;user-select:none;align-items:center;gap:6px;padding:0 12px 6px;display:flex}.zoom-btn{border:1px solid var(--border-color);background:var(--bg-card);width:28px;height:28px;color:var(--text-primary);cursor:pointer;transition:var(--transition);font-size:16px;font-family:var(--font-sans);border-radius:6px;justify-content:center;align-items:center;line-height:1;display:flex}.zoom-btn:hover{border-color:var(--accent-gold);color:var(--accent-gold);background:var(--bg-hover)}.zoom-btn.zoom-reset{font-size:14px}.zoom-level{color:var(--text-muted);text-align:center;min-width:36px;font-size:11px;font-family:var(--font-mono,monospace)}.zoom-hint{color:var(--text-muted);opacity:.5;margin-left:4px;font-size:10px}.timeline-section{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border-color);margin-bottom:20px;padding:8px 0 4px;overflow:hidden}.tl-wrapper{width:100%;position:relative}.tl-scroll{cursor:grab;padding:0 0 8px;overflow:auto hidden}.tl-scroll:active{cursor:grabbing}.tl-svg{display:block}.ev-dot{cursor:pointer;transition:r .15s,stroke-width .15s}.ev-g:hover .ev-dot{r:7px;stroke-width:3.5px}.dyn-hdr{transition:fill-opacity .15s}.dseg:hover .dyn-hdr{fill-opacity:.8}.dseg.sel .dyn-hdr{fill-opacity:.88}.emp-s:hover rect{fill-opacity:.45!important;stroke:var(--accent-gold)!important;stroke-width:1px!important}.tl-tip{background:var(--bg-card);border:1px solid var(--border-color);pointer-events:none;z-index:200;border-radius:8px;max-width:260px;padding:10px 14px;position:fixed;transform:translateY(-100%);box-shadow:0 4px 20px #00000080}.tl-tip-title{margin-bottom:4px;font-size:15px;font-weight:600}.tl-tip-sub{color:var(--text-muted);margin-bottom:4px;font-size:12px}.tl-tip-desc{color:var(--text-secondary);font-size:12px;line-height:1.5}.main-content{flex:1;padding-bottom:40px}.welcome-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);text-align:center;padding:40px}.welcome-icon{margin-bottom:16px;font-size:64px}.welcome-card h2{color:var(--accent-gold);margin:0 0 12px;font-size:24px}.welcome-card p{color:var(--text-secondary);max-width:500px;margin:0 auto 8px;font-size:15px}.welcome-tip{color:var(--text-muted)!important;margin-bottom:24px!important;font-size:13px!important}.view-all-btn{border:1px solid var(--accent-gold);color:var(--accent-gold);border-radius:var(--radius);cursor:pointer;transition:var(--transition);font-size:14px;font-family:var(--font-sans);background:0 0;margin-bottom:32px;padding:10px 24px}.view-all-btn:hover{background:var(--accent-gold);color:var(--bg-primary)}.quick-nav h3{color:var(--text-secondary);margin:0 0 16px;font-size:16px}.quick-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;display:grid}.quick-card{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;transition:var(--transition);border-left:3px solid;border-radius:8px;padding:12px}.quick-card:hover{background:var(--bg-hover);transform:translateY(-2px)}.quick-name{color:var(--text-primary);font-size:14px;font-weight:600}.quick-years{color:var(--text-muted);margin-top:4px;font-size:11px}.dynasty-detail{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden}.back-btn{color:var(--text-secondary);cursor:pointer;transition:var(--transition);font-size:14px;font-family:var(--font-sans);text-align:left;border:none;border-bottom:1px solid var(--border-color);background:0 0;width:100%;padding:16px 24px;display:block}.back-btn:hover{color:var(--accent-gold);background:var(--bg-hover)}.detail-header{background:linear-gradient(135deg, var(--bg-card), transparent);border-left:4px solid;padding:28px 24px}.detail-title{color:var(--text-primary);margin:0;font-size:28px;font-weight:700}.detail-subtitle{color:var(--text-muted);margin-top:4px;font-size:13px;display:inline-block}.detail-years{color:var(--text-secondary);margin:8px 0;font-size:14px}.detail-desc{color:var(--text-secondary);max-width:700px;margin:8px 0 0;font-size:14px;line-height:1.7}.detail-section{border-top:1px solid var(--border-color);padding:24px}.section-title{color:var(--text-primary);align-items:center;gap:10px;margin:0 0 20px;font-size:18px;font-weight:600;display:flex}.count-badge{background:var(--bg-card);color:var(--text-secondary);border-radius:12px;padding:2px 10px;font-size:12px;font-weight:400}.rulers-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.ruler-item{background:var(--bg-card);border:1px solid var(--border-color);transition:var(--transition);border-radius:8px;gap:12px;padding:14px;display:flex}.ruler-item:hover{border-color:var(--accent-gold);transform:translateY(-1px)}.ruler-marker{border-radius:2px;flex-shrink:0;width:4px}.ruler-info{min-width:0}.ruler-name{color:var(--text-primary);font-size:15px;font-weight:600}.ruler-reign{color:var(--text-muted);margin-top:2px;font-size:12px}.ruler-intro{color:var(--text-secondary);margin-top:4px;font-size:13px;line-height:1.5}.events-list{padding-left:24px;position:relative}.events-list:before{content:"";background:var(--border-color);width:2px;position:absolute;top:6px;bottom:6px;left:8px}.event-item{transition:var(--transition);padding:12px 0 12px 20px;position:relative}.event-item.clickable:hover{background:var(--bg-hover);border-radius:8px;padding-left:24px}.event-dot{background:var(--accent-gold);border:2px solid var(--bg-secondary);z-index:1;border-radius:50%;width:10px;height:10px;position:absolute;top:18px;left:-20px}.event-year{color:var(--accent-gold);margin-bottom:4px;font-size:12px;font-weight:600}.event-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:12px 16px}.event-title{color:var(--text-primary);flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.event-dynasty-tag{border-radius:4px;flex-shrink:0;padding:2px 8px;font-size:11px;font-weight:500}.event-desc{color:var(--text-secondary);margin-top:6px;font-size:13px;line-height:1.5}.all-events-view{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);padding:28px 24px}.app-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:auto;padding:20px;font-size:12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (width<=768px){.app{padding:0 12px}.app-title{font-size:24px}.timeline-section{padding:12px 16px}.rulers-list{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.welcome-card{padding:24px 16px}.detail-header{padding:20px 16px}.detail-section{padding:16px}}