.sensitivity-tool{--bg-primary:#faf9f5;--bg-card:#fff;--text-primary:#141413;--text-secondary:#747168;--text-muted:#aaa79d;--accent-orange:#d97757;--accent-blue:#5c8fba;--accent-green:#788c5d;--accent-red:#b65f55;--border-light:#e8e6dc;--shadow-soft:0 10px 28px #14141312;--shadow-hover:0 16px 40px #1414131a;--sidebar-width:340px;--font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--font-serif:"Songti SC",STSong,"Noto Serif CJK SC",Georgia,serif}.sensitivity-tool *{box-sizing:border-box;margin:0;padding:0}.sensitivity-tool{background:var(--bg-primary);height:100dvh;min-height:100dvh;color:var(--text-primary);font-family:var(--font-serif);display:flex;overflow:hidden}.sensitivity-tool button,.sensitivity-tool input,.sensitivity-tool select{font:inherit}.sensitivity-tool button{border:0}.sensitivity-tool::-webkit-scrollbar{width:8px;height:8px}.sensitivity-tool::-webkit-scrollbar-track{background:var(--bg-primary)}.sensitivity-tool::-webkit-scrollbar-thumb{background:#d9d6cb;border-radius:999px}.sensitivity-tool::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.sensitivity-tool ::selection{color:var(--text-primary);background:#d9775738}.sensitivity-tool .sidebar{z-index:30;width:var(--sidebar-width);min-width:var(--sidebar-width);border-right:1px solid var(--border-light);background:#fffffff0;height:100dvh;padding:1.35rem 1.15rem 1.6rem;transition:margin-left .25s,opacity .25s;position:sticky;top:0;overflow-y:auto}.sensitivity-tool .sidebar.collapsed{margin-left:calc(-1*var(--sidebar-width));opacity:0;pointer-events:none}.sensitivity-tool .sidebar-backdrop{display:none}.sensitivity-tool .sidebar-toggle{left:calc(var(--sidebar-width) - 46px);z-index:80;cursor:pointer;border:1px solid var(--border-light);background:var(--bg-card);width:32px;height:32px;color:var(--accent-orange);font-family:var(--font-sans);border-radius:8px;justify-content:center;align-items:center;font-size:1.25rem;line-height:1;transition:transform .2s,border-color .2s;display:flex;position:fixed;top:14px;box-shadow:0 6px 18px #14141314}.sensitivity-tool .sidebar-toggle:hover{border-color:#d977578c;transform:translateY(-1px)}.sensitivity-tool .sidebar-expand{z-index:120;cursor:pointer;min-width:96px;height:40px;color:var(--text-primary);font-family:var(--font-sans);background:#fffffff5;border:1px solid #e8e6dcf2;border-radius:999px;justify-content:center;align-items:center;font-size:.82rem;font-weight:600;line-height:1;display:inline-flex;position:fixed;top:14px;left:16px;box-shadow:0 10px 30px #14141329}.sensitivity-tool .sidebar-block{border-bottom:1px solid var(--border-light);margin-bottom:1rem;padding-bottom:1rem}.sensitivity-tool .sidebar-block:last-child{border-bottom:0}.sensitivity-tool .sidebar-kicker{color:var(--accent-orange);font-family:var(--font-sans);letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;font-weight:700}.sensitivity-tool .sidebar-heading{color:var(--text-primary);font-family:var(--font-sans);margin-top:.35rem;font-size:1.42rem;line-height:1.2}.sensitivity-tool .sidebar-copy{color:var(--text-secondary);font-family:var(--font-sans);margin-top:.55rem;font-size:.82rem;line-height:1.65}.sensitivity-tool .sidebar-title{border-left:3px solid var(--accent-orange);color:var(--text-primary);font-family:var(--font-sans);margin-bottom:.75rem;padding-left:.65rem;font-size:.95rem;font-weight:700}.sensitivity-tool .message-area{margin-top:.75rem}.sensitivity-tool .message{font-family:var(--font-sans);border-radius:8px;padding:.55rem .7rem;font-size:.78rem;line-height:1.45}.sensitivity-tool .message.success{color:#5f7544;background:#788c5d1a;border:1px solid #788c5d47}.sensitivity-tool .message.error{color:var(--accent-red);background:#b65f5517;border:1px solid #b65f5547}.sensitivity-tool .upload-zone{background:#fbfaf7;border:2px dashed #dcd8cd;border-radius:12px;min-height:92px;transition:border-color .2s,background .2s;display:block}.sensitivity-tool .upload-zone:hover,.sensitivity-tool .upload-zone.drag-over{border-color:var(--accent-orange);background:#fff7f2}.sensitivity-tool .upload-label{cursor:pointer;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.3rem;min-height:88px;padding:.9rem;display:flex}.sensitivity-tool .upload-title{color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;font-weight:700}.sensitivity-tool .upload-hint{color:var(--text-muted);font-family:var(--font-sans);font-size:.74rem}.sensitivity-tool .button-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem;margin-top:.7rem;display:grid}.sensitivity-tool .button-grid .btn:first-child{grid-column:span 2}.sensitivity-tool .btn{cursor:pointer;min-height:36px;font-family:var(--font-sans);border-radius:999px;justify-content:center;align-items:center;padding:.48rem .95rem;font-size:.82rem;font-weight:700;line-height:1.2;transition:transform .18s,border-color .18s,background .18s,color .18s,box-shadow .18s;display:inline-flex}.sensitivity-tool .btn:hover{transform:translateY(-1px)}.sensitivity-tool .btn-primary{background:var(--accent-orange);color:#fff;box-shadow:0 8px 18px #d9775740}.sensitivity-tool .btn-primary:hover{background:#c86a4b;box-shadow:0 12px 26px #d9775752}.sensitivity-tool .btn-secondary{border:1px solid var(--border-light);background:var(--bg-card);color:var(--text-primary)}.sensitivity-tool .btn-secondary:hover{color:var(--accent-orange);border-color:#d977578c}.sensitivity-tool .form-grid{gap:.68rem;display:grid}.sensitivity-tool .field-group{border-bottom:1px dashed var(--border-light);gap:.68rem;padding-bottom:.78rem;display:grid}.sensitivity-tool .field-group:last-child{border-bottom:0;padding-bottom:0}.sensitivity-tool .field-group-title{color:var(--accent-blue);font-family:var(--font-sans);font-size:.72rem;font-weight:800}.sensitivity-tool .field{gap:.3rem;display:grid}.sensitivity-tool .field span{color:var(--text-secondary);font-family:var(--font-sans);font-size:.76rem;font-weight:600}.sensitivity-tool .input{border:1px solid var(--border-light);background:var(--bg-card);width:100%;min-height:36px;color:var(--text-primary);font-family:var(--font-sans);border-radius:9px;outline:none;padding:.45rem .65rem;font-size:.84rem;transition:border-color .16s,box-shadow .16s}.sensitivity-tool .input:focus{border-color:#d97757a6;box-shadow:0 0 0 3px #d977571f}.sensitivity-tool .field-note{color:var(--text-muted);font-family:var(--font-sans);font-size:.68rem;line-height:1.35}.sensitivity-tool .adjustment-field{border:1px solid var(--border-light);background:#fbfaf7;border-radius:8px;gap:.42rem;padding:.72rem;display:grid}.sensitivity-tool .adjustment-head,.sensitivity-tool .adjustment-meta{font-family:var(--font-sans);justify-content:space-between;align-items:center;gap:.6rem;display:flex}.sensitivity-tool .adjustment-head span{color:var(--text-secondary);font-size:.76rem;font-weight:700}.sensitivity-tool .adjustment-head strong{color:var(--accent-orange);font-size:.82rem}.sensitivity-tool .adjustment-slider{width:100%;accent-color:var(--accent-orange)}.sensitivity-tool .adjustment-meta{color:var(--text-muted);font-size:.7rem;line-height:1.35}.sensitivity-tool .adjustment-meta>span{min-width:0}.sensitivity-tool .adjustment-number{border:1px solid var(--border-light);background:var(--bg-card);width:68px;min-height:28px;color:var(--text-primary);text-align:right;border-radius:7px;font-size:.75rem}.sensitivity-tool .main-content{-webkit-overflow-scrolling:touch;flex:1;min-width:0;height:100dvh;padding:2rem 2.4rem 2.5rem;overflow-y:auto}.sensitivity-tool .model-header{justify-content:space-between;align-items:flex-end;gap:1.25rem;max-width:1480px;margin:0 auto 1.25rem;display:flex}.sensitivity-tool .eyebrow{color:var(--accent-blue);font-family:var(--font-sans);letter-spacing:.18em;text-transform:uppercase;margin-bottom:.4rem;font-size:.72rem;font-weight:800}.sensitivity-tool .model-header h1{font-family:var(--font-sans);letter-spacing:0;font-size:clamp(1.9rem,3vw,3rem);line-height:1.08}.sensitivity-tool .model-subtitle{max-width:720px;color:var(--text-secondary);font-family:var(--font-sans);margin-top:.65rem;font-size:.95rem;line-height:1.7}.sensitivity-tool .header-actions{flex-wrap:wrap;justify-content:flex-end;gap:.65rem;display:flex}.sensitivity-tool .metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:.85rem;max-width:1480px;margin:0 auto 1rem;display:grid}.sensitivity-tool .metric-card{border:1px solid var(--border-light);background:var(--bg-card);min-height:118px;box-shadow:var(--shadow-soft);border-radius:8px;padding:1rem}.sensitivity-tool .metric-label{color:var(--text-secondary);font-family:var(--font-sans);font-size:.73rem;font-weight:700}.sensitivity-tool .metric-value{color:var(--text-primary);font-family:var(--font-sans);margin-top:.55rem;font-size:clamp(1.25rem,1.8vw,1.85rem);font-weight:800;line-height:1.15}.sensitivity-tool .metric-sub{color:var(--text-muted);font-family:var(--font-sans);margin-top:.4rem;font-size:.72rem;line-height:1.4}.sensitivity-tool .workspace-grid{grid-template-columns:minmax(0,1.45fr) minmax(360px,.75fr);gap:1rem;max-width:1480px;margin:0 auto 1rem;display:grid}.sensitivity-tool .workspace-grid>.panel-large:only-child{grid-column:1/-1}.sensitivity-tool .bottom-grid{grid-template-columns:minmax(0,1.25fr) minmax(360px,.85fr)}.sensitivity-tool .waterfall-stack{gap:1rem;min-width:0;display:grid}.sensitivity-tool .waterfall-panel{min-width:0}.sensitivity-tool .profit-waterfall-panel{max-width:1480px;margin:0 auto 1rem}.sensitivity-tool .panel{border:1px solid var(--border-light);background:var(--bg-card);min-width:0;box-shadow:var(--shadow-soft);border-radius:8px;padding:1.1rem}.sensitivity-tool .panel-large{min-height:540px}.sensitivity-tool .panel-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:flex-start;gap:1rem;padding-bottom:.8rem;display:flex}.sensitivity-tool .panel-header h2{color:var(--text-primary);font-family:var(--font-sans);font-size:1.05rem;font-weight:800}.sensitivity-tool .panel-header p{color:var(--text-secondary);font-family:var(--font-sans);margin-top:.28rem;font-size:.78rem;line-height:1.5}.sensitivity-tool .chart{width:100%;min-height:440px}.sensitivity-tool .chart-small{min-height:360px}.sensitivity-tool .chart-compact{min-height:280px}.sensitivity-tool .chart-target-profit{min-height:360px}.sensitivity-tool .chart-profit-waterfall{min-height:430px}.sensitivity-tool .table-panel{max-width:1480px;margin:0 auto 1rem}.sensitivity-tool .table-wrap{margin-top:1rem;overflow-x:auto}.sensitivity-tool .data-table{border-collapse:collapse;width:100%;font-family:var(--font-sans);font-size:.78rem}.sensitivity-tool .data-table th{border:1px solid var(--border-light);color:var(--text-primary);text-align:right;white-space:nowrap;background:linear-gradient(135deg,#d977571f,#5c8fba14);padding:.62rem .7rem;font-weight:800;position:sticky;top:0}.sensitivity-tool .data-table th:first-child{text-align:left}.sensitivity-tool .data-table td{border:1px solid var(--border-light);color:var(--text-primary);text-align:right;white-space:nowrap;padding:.55rem .7rem}.sensitivity-tool .data-table td:first-child{text-align:left;font-weight:700}.sensitivity-tool .data-table tbody tr:nth-child(2n){background:#faf9f5bf}.sensitivity-tool .data-table tbody tr:hover{background:#d977570d}.sensitivity-tool .positive{font-weight:700;color:var(--accent-green)!important}.sensitivity-tool .negative{font-weight:700;color:var(--accent-red)!important}.sensitivity-tool .footer{color:var(--text-muted);font-family:var(--font-sans);letter-spacing:.08em;text-transform:uppercase;flex-direction:column;align-items:center;gap:.35rem;padding:1.4rem 0 .2rem;font-size:.76rem;display:flex}@media (max-width:1280px){.sensitivity-tool .metrics-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sensitivity-tool .workspace-grid,.sensitivity-tool .bottom-grid{grid-template-columns:1fr}.sensitivity-tool .waterfall-stack{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:820px){.sensitivity-tool{--sidebar-width:300px;display:block}.sensitivity-tool .sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);position:fixed;top:0;left:0;box-shadow:8px 0 30px #14141324}.sensitivity-tool .sidebar-backdrop{z-index:25;opacity:0;pointer-events:none;background:#14141347;transition:opacity .2s;display:block;position:fixed;inset:0}.sensitivity-tool.sidebar-open .sidebar-backdrop{opacity:1;pointer-events:auto}.sensitivity-tool:not([data-initialized=true]) .sidebar{margin-left:calc(-1*var(--sidebar-width));opacity:0;pointer-events:none}.sensitivity-tool .main-content{padding:4.5rem 1rem 1.6rem}.sensitivity-tool .model-header{flex-direction:column;align-items:stretch}.sensitivity-tool .header-actions{justify-content:flex-start}.sensitivity-tool .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sensitivity-tool .metric-card{min-height:104px;padding:.8rem}.sensitivity-tool .panel{padding:.85rem}.sensitivity-tool .panel-large{min-height:auto}.sensitivity-tool .chart,.sensitivity-tool .chart-small,.sensitivity-tool .chart-compact{min-height:340px}.sensitivity-tool .waterfall-stack{grid-template-columns:1fr}}@media (max-width:520px){.sensitivity-tool .metrics-grid,.sensitivity-tool .button-grid{grid-template-columns:1fr}.sensitivity-tool .button-grid .btn:first-child{grid-column:auto}}