/* ========== CSS 变量 ========== */
:root {
  --bg-primary: #efe7dc;
  --bg-secondary: #e5dcd0;
  --glass-bg: rgba(255, 255, 255, 0.78);
  --glass-bg-hover: rgba(255, 255, 255, 0.92);
  --glass-bg-active: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  --glass-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.10), 0 1px 4px rgba(0, 0, 0, 0.06);
  --text-primary: #2c2416;
  --text-secondary: #6b5e4a;
  --text-muted: #9a8d7a;
  --accent: #4a9e8c;
  --accent-light: #7ec5b8;
  --accent-dark: #357a6b;
  --accent-warm: #c4825c;
  --danger: #d9705a;
  --success: #5aad6e;
  --warning: #d4a853;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== 全局重置 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========== 背景装饰 ========== */
.bg-decoration {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.bg-circle {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35;
}
.bg-circle-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,158,140,0.25) 0%, transparent 70%);
  top: -200px; right: -150px;
}
.bg-circle-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(196,130,92,0.18) 0%, transparent 70%);
  bottom: -100px; left: -80px;
}
.bg-circle-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(126,197,184,0.2) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}

/* ========== 毛玻璃卡片 ========== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: background var(--transition), box-shadow var(--transition);
}
.glass-card:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-lg);
}

/* ========== 按钮组 ========== */
.glass-btn-group {
  display: inline-flex; gap: 2px;
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-md); padding: 3px;
}
.mode-btn {
  padding: 8px 18px; font-size: 0.875rem; font-weight: 600;
  border: none; cursor: pointer; border-radius: 11px;
  background: transparent; color: var(--text-secondary);
  transition: all var(--transition); white-space: nowrap;
}
.mode-btn:hover { color: var(--text-primary); }
.mode-btn.active {
  background: var(--glass-bg-active);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  color: var(--accent-dark);
}

/* ========== 应用容器 ========== */
.app-container {
  max-width: 1400px; margin: 0 auto; padding: 20px 32px 40px;
}

/* ========== 顶部标题栏 ========== */
.header {
  display: flex; align-items: center;
  padding: 10px 0 6px; margin-bottom: 18px;
}
.app-title {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700; color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
  margin: 0;
}
.title-icon { font-size: 1.35rem; }

/* 参数分组卡片 */
.param-group {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden; transition: all var(--transition);
  flex-shrink: 0;
}

.param-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; cursor: pointer; user-select: none;
  transition: background var(--transition);
}
.param-group-header:hover { background: rgba(255,255,255,0.3); }
.param-group-title {
  font-size: 0.9rem; font-weight: 700; color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.param-group-icon { font-size: 1.1rem; }
.param-group-arrow {
  font-size: 0.7rem; color: var(--text-muted); transition: transform var(--transition);
}
.param-group.collapsed .param-group-arrow { transform: rotate(-90deg); }
.param-group.collapsed .param-group-body { display: none; }

.param-group-body { padding: 0 18px 14px; display: flex; flex-direction: column; gap: 12px; }

/* 参数行 */
.param-row { display: flex; flex-direction: column; gap: 4px; }
.param-label {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.82rem; color: var(--text-secondary); font-weight: 500;
}
.param-label .param-name { }
.param-label .param-value {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--accent-dark); font-weight: 700;
  background: rgba(74,158,140,0.08); padding: 2px 8px; border-radius: 6px;
}

/* 滑块 */
.param-slider {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px;
  border-radius: 3px; background: linear-gradient(90deg, var(--accent-light), var(--accent));
  outline: none; cursor: pointer;
}
.param-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: white; border: 2px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12); cursor: pointer;
  transition: transform var(--transition);
}
.param-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }

/* 下拉选择 */
.param-select {
  width: 100%; padding: 9px 12px; font-size: 0.82rem;
  border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.6); color: var(--text-primary);
  cursor: pointer; transition: all var(--transition);
}
.param-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,158,140,0.15); }

/* 数字输入 */
.param-input {
  width: 100%; padding: 9px 12px; font-size: 0.82rem; font-family: var(--font-mono);
  border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.6); color: var(--text-primary);
  transition: all var(--transition);
}
.param-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(74,158,140,0.15); }

/* 提示文字 */
.param-hint {
  font-size: 0.7rem; color: var(--text-muted); line-height: 1.4;
}

/* ========== 主内容区（左右两列） ========== */
.main-columns {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start;
}

/* ========== 左列：成本参数 ========== */
.left-column {
  display: flex; flex-direction: column; gap: 10px;
  background: rgba(255, 252, 248, 0.72);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(180, 170, 155, 0.22);
  border-radius: var(--radius-xl);
  padding: 22px 22px 22px;
  /* 固定左列高度，让 cost-scroll 可以 flex 撑满并滚动 */
  height: calc(100vh - 290px); min-height: 450px; max-height: 700px; overflow: hidden;
}
.cost-scroll {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column; gap: 10px;
  overflow-y: auto; padding-right: 6px;
  scrollbar-width: thin; scrollbar-color: rgba(0,0,0,0.12) transparent;
}
.cost-scroll::-webkit-scrollbar { width: 4px; }
.cost-scroll::-webkit-scrollbar-track { background: transparent; }
.cost-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.12); border-radius: 4px; }

/* ========== 右列：性能 + 定价 ========== */
.right-column {
  display: flex; flex-direction: column; gap: 12px;
  background: rgba(228, 238, 248, 0.50);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(170, 195, 215, 0.25);
  border-radius: var(--radius-xl);
  padding: 22px 22px 22px;
  height: calc(100vh - 290px); min-height: 450px; max-height: 700px; overflow: hidden;
}

/* ========== 顶部核心指标横栏 ========== */
.top-metrics-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 20px;
}
.top-metric {
  background: var(--glass-bg-active);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: grid; grid-template-rows: auto 1fr auto; gap: 4px;
  min-height: 90px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.top-metric-label {
  font-size: 0.72rem; color: var(--text-muted); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.03em;
  line-height: 1.2; min-height: 1em;
}
.top-metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem; font-weight: 700; line-height: 1.2;
  color: var(--text-primary);
  display: flex; align-items: center;
}
.top-metric-value.accent { color: var(--accent-dark); }
.top-metric-value.warm { color: var(--accent-warm); }
.top-metric-sub {
  font-size: 0.7rem; color: var(--text-secondary);
  line-height: 1.2; min-height: 1em;
}

/* ========== 底部：分解与指标 ========== */
.bottom-section {
  display: flex; flex-direction: column; gap: 16px;
  margin-top: 20px;
}
.bottom-section .metrics-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.bottom-section .metric-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 4px; min-height: 90px; justify-content: center;
  transition: all var(--transition);
}
.bottom-section .metric-card:hover {
  background: var(--glass-bg-hover); box-shadow: var(--glass-shadow-lg); transform: translateY(-2px);
}
.bottom-section .metric-label {
  font-size: 0.78rem; color: var(--text-muted); font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.bottom-section .metric-value {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700; color: var(--text-primary);
  line-height: 1.1; font-variant-numeric: tabular-nums;
}
.bottom-section .metric-value.accent { color: var(--accent-dark); }
.bottom-section .metric-value.warm { color: var(--accent-warm); }
.bottom-section .metric-sub {
  font-size: 0.73rem; color: var(--text-secondary);
}

/* 旧样式兼容：保留 .metrics-row, .metric-card 等给 bottom-section 引用 */
.metrics-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  padding: 20px 22px; display: flex; flex-direction: column; gap: 6px;
  min-height: 100px; justify-content: center; transition: all var(--transition);
}
.metric-card:hover { background: var(--glass-bg-hover); box-shadow: var(--glass-shadow-lg); transform: translateY(-2px); }
.metric-card.highlight { border: 1.5px solid var(--accent); background: rgba(74,158,140,0.06); }
.metric-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.metric-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--text-primary); line-height: 1.1; font-variant-numeric: tabular-nums; }
.metric-value.accent { color: var(--accent-dark); }
.metric-value.warm { color: var(--accent-warm); }
.metric-sub { font-size: 0.75rem; color: var(--text-secondary); }

/* 成本分解图 */
.cost-breakdown {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 20px 22px;
}
.cost-breakdown-title {
  font-size: 0.95rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}

/* 条形图 */
.bar-chart { display: flex; flex-direction: column; gap: 8px; }
.bar-item { display: flex; align-items: center; gap: 10px; }
.bar-label {
  width: 100px; font-size: 0.78rem; color: var(--text-secondary);
  text-align: right; flex-shrink: 0;
}
.bar-track {
  flex: 1; height: 22px; background: rgba(0,0,0,0.04);
  border-radius: 6px; overflow: hidden; position: relative;
}
.bar-fill {
  height: 100%; border-radius: 6px; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; align-items: center; padding-left: 10px;
}
.bar-fill.electricity { background: linear-gradient(90deg, #f0c27a, #e8a84c); }
.bar-fill.gpu-dep { background: linear-gradient(90deg, #7ec5b8, var(--accent)); }
.bar-fill.server-dep { background: linear-gradient(90deg, #a0d2c8, #6bb5a8); }
.bar-fill.cabinet { background: linear-gradient(90deg, #c4b5fd, #a78bfa); }
.bar-fill.bandwidth { background: linear-gradient(90deg, #93c5fd, #60a5fa); }
.bar-fill.ops { background: linear-gradient(90deg, #f9a8d4, #f472b6); }
.bar-fill.other { background: linear-gradient(90deg, #d1d5db, #9ca3af); }
.bar-fill.capital { background: linear-gradient(90deg, #fdba74, #f97316); }
.bar-value {
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
  color: var(--text-primary); width: 75px; text-align: right; flex-shrink: 0;
}
.bar-pct {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted);
  width: 40px; text-align: right; flex-shrink: 0;
}

/* 定价建议表 */
.pricing-table {
  width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.pricing-table th {
  text-align: left; padding: 10px 14px; font-weight: 600;
  color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.04em; border-bottom: 1px solid rgba(0,0,0,0.06);
}
.pricing-table td {
  padding: 12px 14px; border-bottom: 1px solid rgba(0,0,0,0.04);
  font-family: var(--font-mono); font-weight: 600;
}
.pricing-table tr:hover td { background: rgba(74,158,140,0.04); }
.pricing-table .price-highlight {
  color: var(--accent-dark); font-size: 1rem;
}

/* 模型信息标签 */
.info-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.info-tag {
  padding: 5px 12px; font-size: 0.72rem; font-weight: 600;
  border-radius: 20px; background: rgba(74,158,140,0.1);
  color: var(--accent-dark); white-space: nowrap;
}

/* ========== 分区标签 ========== */
.section-label {
  font-size: 0.75rem; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 4px 0 2px; margin-top: 2px;
}
.section-divider {
  height: 1px; background: rgba(0,0,0,0.05); margin: 4px 0 6px;
}

/* ========== Toggle 开关 ========== */
.toggle-switch {
  position: relative; display: inline-block; width: 36px; height: 20px;
  flex-shrink: 0; cursor: pointer;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.12); border-radius: 20px;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 16px; height: 16px; left: 2px; bottom: 2px;
  background: white; border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--accent);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

/* ========== 成本类别样式 ========== */
.cost-category .cat-header {
  display: flex; align-items: center; justify-content: space-between;
  cursor: default;
}
.cat-header-left {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  flex: 1; min-width: 0;
}
.cat-desc {
  font-size: 0.7rem; color: var(--text-muted); font-weight: 400;
  margin-left: 4px;
}

/* 未启用的类别 */
.cost-category.disabled {
  opacity: 0.55;
}
.cost-category.disabled .param-group-body {
  pointer-events: none;
}
.cost-category:not(.disabled) .cat-desc {
  color: var(--accent-dark);
}

/* body 隐藏 */
.param-group-body.hidden { display: none; }

/* 箭头旋转 */
.param-group-arrow.rotated { transform: rotate(-90deg); }

/* ========== 字段复选框 ========== */
.field-checkbox {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; flex-shrink: 0; cursor: pointer; margin-right: 2px;
}
.field-checkbox input {
  position: absolute; opacity: 0; width: 100%; height: 100%;
  margin: 0; cursor: pointer; z-index: 1;
}
.checkbox-mark {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.18); border-radius: 4px;
  background: rgba(255,255,255,0.6);
  transition: all var(--transition);
  position: relative;
}
.field-checkbox input:checked + .checkbox-mark {
  background: var(--accent); border-color: var(--accent);
}
.field-checkbox input:checked + .checkbox-mark::after {
  content: ''; position: absolute;
  left: 4px; top: 1px; width: 5px; height: 9px;
  border: solid white; border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.field-checkbox:hover .checkbox-mark {
  border-color: var(--accent); background: rgba(255,255,255,0.85);
}
.field-checkbox input:disabled { cursor: not-allowed; }
.field-checkbox input:disabled + .checkbox-mark {
  opacity: 0.35; cursor: not-allowed;
}

/* 禁用字段行：变灰 */
.param-row.field-disabled {
  opacity: 0.45;
}
.param-row.field-disabled .param-name {
  text-decoration: line-through; text-decoration-color: rgba(0,0,0,0.2);
}
.param-row.field-disabled .dual-slider,
.param-row.field-disabled .dual-input {
  pointer-events: none;
}

/* ========== 利润率滑块区域 ========== */
.margin-slider-row {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.margin-slider-left {
  flex: 1; min-width: 220px; display: flex; flex-direction: column; gap: 10px;
}
.margin-slider {
  height: 8px; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-light), var(--accent-warm));
}
.margin-slider::-webkit-slider-thumb {
  border: 2px solid var(--accent-warm);
}

.margin-presets {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.margin-preset-btn {
  padding: 5px 12px; font-size: 0.72rem; font-weight: 600;
  border: 1px solid rgba(0,0,0,0.08); border-radius: 20px;
  background: rgba(255,255,255,0.5); color: var(--text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.margin-preset-btn:hover { background: rgba(74,158,140,0.08); color: var(--accent-dark); }
.margin-preset-btn.active {
  background: var(--accent); color: white; border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(74,158,140,0.25);
}

.margin-result {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 16px 24px; background: rgba(74,158,140,0.06);
  border-radius: var(--radius-lg); border: 1px solid rgba(74,158,140,0.12);
  min-width: 160px;
}
.margin-result-label {
  font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.04em;
}
.margin-result-value {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 700;
  color: var(--accent-dark);
}
.margin-result-profit {
  font-size: 0.75rem; color: var(--accent-warm); font-weight: 600;
}

/* 定价结果显示行（定价 + 月利润并列） */
.margin-result-row {
  display: flex; gap: 24px; margin-top: 12px;
}
.margin-result-row > div {
  flex: 1;
  background: rgba(255,255,255,0.4); border-radius: var(--radius-md);
  padding: 12px 14px; text-align: center;
}
.margin-result-row .margin-result-label {
  font-size: 0.7rem; display: block; margin-bottom: 4px;
}
.margin-result-row .margin-result-value {
  font-size: 1.3rem;
}
.margin-result-row .margin-result-value.warm { color: var(--accent-warm); }


/* ========== 双输入行（滑块+数字框） ========== */
.dual-input-row {
  display: flex; align-items: center; gap: 8px;
}
.dual-slider { flex: 1; min-width: 0; }
.dual-input {
  width: 80px; text-align: center; padding: 5px 6px; font-size: 0.78rem;
  flex-shrink: 0;
}
.dual-input:disabled { opacity: 0.4; pointer-events: none; }

/* 类别小计 */
.cat-subtotal {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  color: var(--accent-dark); background: rgba(74,158,140,0.08);
  padding: 1px 8px; border-radius: 8px; margin-left: auto;
}

/* ========== 响应式 ========== */
@media (max-width: 960px) {
  .main-columns { grid-template-columns: 1fr; }
  .left-column { height: auto; min-height: 300px; }
  .right-column { height: auto; min-height: 300px; }
  .cost-scroll { flex: none; max-height: 500px; }
  .top-metrics-row { grid-template-columns: repeat(2, 1fr); }
  .bottom-section .metrics-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .app-container { padding: 12px 14px 24px; }

  .top-metrics-row { grid-template-columns: 1fr; }
  .main-columns { grid-template-columns: 1fr; }
  .bottom-section .metrics-row { grid-template-columns: 1fr; }
  .left-column { height: auto; min-height: 250px; }
  .cost-scroll { flex: none; max-height: 400px; }
}
  .metrics-row { grid-template-columns: 1fr; }
  .bar-label { width: 70px; font-size: 0.7rem; }
}