:root{--blue-50:#eff6ff;--blue-100:#dbeafe;--blue-200:#bfdbfe;--blue-300:#93c5fd;--blue-400:#60a5fa;--blue-500:#3b82f6;--blue-600:#2563eb;--blue-700:#1d4ed8;--blue-800:#1e40af;--blue-900:#1e3a8a;--sky-400:#38bdf8;--sky-500:#0ea5e9;--slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;--slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;--slate-800:#1e293b;--slate-900:#0f172a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:LXGW WenKai,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;background:var(--slate-50);color:var(--slate-800);min-height:100vh;-webkit-font-smoothing:antialiased}@import url("https://cdn.jsdelivr.net/npm/lxgw-wenkai-webfont@1.7.0/style.css");.app{max-width:780px;margin:0 auto;padding:32px 20px 100px}.header{text-align:center;margin-bottom:28px}.header h1{font-size:26px;font-weight:700;color:var(--slate-900);letter-spacing:-.3px}.header h1 span{color:var(--blue-600)}.nav-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.nav-bar .month-label{font-size:18px;font-weight:700;color:var(--slate-800);display:flex;align-items:baseline;gap:10px}.nav-bar .month-label .count-badge{font-size:12px;font-weight:500;color:var(--blue-600);background:var(--blue-50);padding:2px 10px;border-radius:20px}.nav-actions{gap:6px}.nav-actions,.nav-btn{display:flex;align-items:center}.nav-btn{width:36px;height:36px;border:1px solid var(--slate-200);border-radius:10px;background:#fff;cursor:pointer;justify-content:center;color:var(--slate-600);font-size:16px;transition:all .2s}.nav-btn:hover{background:var(--blue-50);border-color:var(--blue-200);color:var(--blue-600)}.today-btn{width:auto;padding:0 14px;font-size:13px;font-weight:500;height:36px;border:1px solid var(--blue-200);border-radius:10px;background:#fff;cursor:pointer;color:var(--blue-600);transition:all .2s}.today-btn:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}.calendar-card{background:#fff;border-radius:16px;box-shadow:0 1px 3px rgba(0,0,0,.04),0 4px 12px rgba(0,0,0,.03);overflow:hidden}.cal-header{display:grid;grid-template-columns:repeat(7,1fr);background:var(--blue-50)}.cal-header span{text-align:center;padding:12px 0;font-size:12px;font-weight:600;color:var(--slate-500);text-transform:uppercase;letter-spacing:.5px}.cal-header span.weekend{color:var(--blue-400)}.cal-body{display:grid;grid-template-columns:repeat(7,1fr)}.day-cell{aspect-ratio:1/.88;border:1px solid var(--slate-100);padding:6px;cursor:pointer;transition:background .15s,border-color .15s;display:flex;flex-direction:column;position:relative;overflow:hidden}.day-cell:hover{background:var(--blue-50);border-color:var(--blue-200);z-index:1}.day-cell.selected{background:var(--blue-50);border-color:var(--blue-400);z-index:2}.day-cell.other-month{background:var(--slate-50)}.day-cell.other-month .day-num{color:var(--slate-300)}.day-num{font-size:13px;font-weight:600;color:var(--slate-700);width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0}.day-cell.today .day-num{background:var(--blue-600);color:#fff}.day-cell.today.selected .day-num{background:var(--blue-700)}.cell-stream{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;pointer-events:none}.stream-dot{width:6px;height:6px;border-radius:50%;background:var(--blue-500)}.stream-dot.active{width:8px;height:8px;background:var(--blue-600);box-shadow:0 0 0 3px var(--blue-100)}.cell-time{font-size:10px;color:var(--blue-500);font-weight:600;white-space:nowrap}.cell-duration{font-size:9px;color:var(--slate-400)}.detail-panel{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1),opacity .3s ease;opacity:0;background:#fff;border-top:1px solid var(--slate-100)}.detail-panel.open{max-height:400px;opacity:1}.detail-inner{padding:20px 24px}.detail-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.detail-date{font-size:15px;font-weight:600;color:var(--slate-800)}.detail-weekday{font-size:13px;color:var(--slate-400);margin-left:8px;font-weight:400}.detail-empty{text-align:center;padding:12px 0;color:var(--slate-400);font-size:14px}.detail-list{display:flex;flex-direction:column;gap:10px}.detail-item{gap:14px;padding:12px 16px;background:var(--blue-50);border-radius:12px;border:1px solid var(--blue-100)}.detail-icon,.detail-item{display:flex;align-items:center}.detail-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--blue-500),var(--blue-600));justify-content:center;flex-shrink:0}.detail-icon svg{width:20px;height:20px;fill:#fff}.detail-info{flex:1 1;min-width:0}.detail-time{font-size:15px;font-weight:600;color:var(--slate-800)}.detail-range{font-size:13px;color:var(--slate-500);margin-top:2px}.detail-dur{font-size:13px;font-weight:600;color:var(--blue-600);background:#fff;padding:4px 12px;border-radius:20px;flex-shrink:0}.summary-bar{margin-top:20px;background:linear-gradient(135deg,var(--blue-600),var(--blue-700));border-radius:14px;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 14px rgba(37,99,235,.25)}.summary-label{font-size:14px;color:var(--blue-200)}.summary-value{font-size:22px;font-weight:700;color:#fff;margin-top:2px}.summary-value .unit{font-size:14px;font-weight:400;color:var(--blue-300);margin-left:4px}.summary-stats{display:flex;gap:28px}.summary-stat{text-align:center}.summary-stat-val{font-size:20px;font-weight:700;color:#fff}.summary-stat-val .unit{font-size:12px;font-weight:400;color:var(--blue-300);margin-left:2px}.summary-stat-label{font-size:12px;color:var(--blue-200);margin-top:2px}.summary-divider{width:1px;height:36px;background:rgba(255,255,255,.15)}@media (max-width:600px){.app{padding:16px 10px 80px}.header h1{font-size:22px}.day-cell{aspect-ratio:1/.82;padding:4px}.day-num{font-size:12px;width:22px;height:22px}.cell-time{font-size:9px}.cell-duration{font-size:8px}.detail-inner{padding:16px}.summary-bar{flex-direction:column;gap:14px;padding:16px}.summary-stats{gap:20px}.summary-divider{width:60px;height:1px}.nav-bar .month-label{font-size:16px}}