/* ====== 重置 & 基础 ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Source Han Sans SC", "Noto Sans SC", -apple-system, sans-serif;
  font-size: 14px;
  color: #1D2129;
  background: #F5F6FA;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* ====== 设计系统变量 ====== */
:root {
  --primary: #165DFF;
  --primary-light: #E8F3FF;
  --accent: #0C3B6E;
  --accent-light: #E8F1F9;
  --accent-bg: #F4F8FC;
  --brand-dark: #0A2A4D;
  --success: #00B42A;
  --error: #F53F3F;
  --text: #1D2129;
  --text-secondary: #4E5969;
  --text-hint: #86909C;
  --border: #E5E6EB;
  --bg-preview: #F5F6FA;
  --bg-card: #FFFFFF;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ====== 顶部通栏 ====== */
.top-bar {
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-bg) 100%);
  border-bottom: 2px solid var(--accent);
  gap: 20px;
  flex-shrink: 0;
}
.brand {
  display: flex; align-items: center; gap: 12px; flex-shrink: 0;
}
.brand-logo { flex-shrink: 0; object-fit: contain; border-radius: var(--radius-sm); }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-name {
  font-size: 18px; font-weight: 800; color: var(--accent);
  letter-spacing: 2px; white-space: nowrap;
}
.brand-sub {
  font-size: 11px; color: var(--text-hint); white-space: nowrap;
}
.brand-contact {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent);
  font-family: Consolas, monospace; padding: 6px 14px;
  background: var(--accent-light); border-radius: var(--radius-md);
  flex-shrink: 0; text-decoration: none;
}
.brand-contact:hover { background: #d0e4f5; }
.project-name {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  width: 180px;
  color: var(--text);
  background: #fff;
}
.project-name:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }
.fx-rate { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.fx-rate .fx-label { background: #F0F4F8; padding: 3px 6px; border-radius: 4px; font-weight: 600; color: var(--accent); }
.fx-rate input { width: 52px; border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px; font-size: 12px; text-align: center; color: var(--text); background: #fff; }
.fx-rate input:focus { outline: none; border-color: var(--accent); }
.stat-usd strong { color: #E8A040 !important; }
.header-actions { display: flex; gap: 6px; }
.btn-icon {
  width: 34px; height: 34px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.btn-icon:hover { border-color: var(--accent); background: var(--accent-light); }
.disclaimer-badge {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-light);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  margin-left: auto;
  font-weight: 500;
}

/* ====== 按钮 ====== */
.btn-primary {
  background: var(--accent); color: #fff; border: none;
  padding: 8px 24px; border-radius: var(--radius-sm); font-size: 14px; cursor: pointer;
  font-weight: 600;
}
.btn-primary:hover { background: #C43D1F; }
.btn-primary:disabled { background: #F2F3F5; color: #C9CDD4; cursor: not-allowed; }
.btn-outline {
  background: #fff; color: var(--accent); border: 1px solid var(--accent);
  padding: 8px 24px; border-radius: var(--radius-sm); font-size: 14px; cursor: pointer;
}
.btn-outline:disabled { color: #C9CDD4; border-color: #E5E6EB; cursor: not-allowed; }

/* ====== 主体布局 ====== */
.main-content {
  flex: 1;
  display: flex;
  overflow: hidden;
}
.left-panel {
  width: 40%;
  min-width: 400px;
  max-width: 520px;
  background: #fff;
  border-right: 1px solid var(--border);
  padding: 20px 24px;
  overflow-y: auto;
}
.right-panel {
  flex: 1;
  background: var(--bg-preview);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* ====== 步骤进度条 ====== */
.step-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 4px;
}
.step {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 500;
  border: 2px solid var(--border);
  color: var(--text-hint);
  background: #fff;
  transition: all 0.3s;
  cursor: default;
}
.step.active { border-color: var(--primary); background: var(--primary); color: #fff; }
.step.done { border-color: var(--success); background: var(--success); color: #fff; cursor: pointer; }
.step.done:hover { transform: scale(1.1); }
.step-line {
  width: 60px; height: 2px;
  background: var(--border);
  transition: background 0.3s;
}
.step-line.done { background: var(--success); }
.step-labels {
  display: flex; justify-content: center; gap: 68px;
  font-size: 12px; margin-bottom: 20px;
}
.label { color: var(--text-hint); }
.label.active { color: var(--primary); font-weight: 500; }
.label.done { color: var(--success); }

/* ====== 步骤面板 ====== */
.step-panel h3 { font-size: 16px; margin-bottom: 16px; }
.section-desc { font-size: 13px; color: var(--text-hint); margin-bottom: 12px; }

/* ====== 输入控件 ====== */
.input-group { margin-bottom: 14px; }
.input-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: var(--text); }
.input-group .hint { font-size: 11px; color: var(--text-hint); font-weight: 400; margin-left: 4px; }
.input-group input, .input-group select {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 14px; color: var(--text);
}
.input-group input:focus, .input-group select:focus { outline: none; border-color: var(--primary); }
.input-group input.error { border-color: var(--error); }
.error-msg { display: none; font-size: 11px; color: var(--error); margin-top: 2px; }
.error-msg.show { display: block; }

.input-row { display: flex; gap: 12px; }
.input-row .half { flex: 1; }

.unit-toggle { display: flex; gap: 4px; margin-bottom: 16px; }
.unit-btn {
  padding: 4px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 12px; cursor: pointer; background: #fff; color: var(--text-secondary);
}
.unit-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ====== 单选组 ====== */
.radio-group { margin-bottom: 14px; }
.radio-group > label { font-size: 13px; font-weight: 500; }
.radio-options { display: flex; gap: 12px; margin-top: 6px; }
.radio-option {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 13px; cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.radio-option.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.radio-option input[type="radio"] { margin: 0; }
.hint-inline { display: block; font-size: 11px; color: var(--text-hint); margin-top: 4px; }

/* ====== 风压：地区下拉 + w₀ 数值（2026-09-27 r39） ====== */
.wind-pick { display: flex; gap: 8px; align-items: stretch; }
.wind-pick select { flex: 1 1 auto; min-width: 0; }
.wind-pick input { flex: 0 0 84px; width: 84px; text-align: center; }
#windHint.wk { color: var(--accent, #2563eb); }

/* ====== 高级参数 ====== */
.advanced-params { margin: 16px 0; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 12px; }
.advanced-params summary { cursor: pointer; font-size: 13px; color: var(--text-secondary); }
.advanced-content { margin-top: 12px; }

/* ====== 实时预估 ====== */
.realtime-preview { margin-top: 16px; padding: 12px; background: var(--bg-preview); border-radius: var(--radius-md); }
.preview-item { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.preview-item strong { color: var(--text); font-family: Consolas, monospace; }

/* ====== 选型卡片 ====== */
.card-select { display: flex; gap: 12px; margin-bottom: 16px; }
.option-card {
  flex: 1; padding: 16px; border: 2px solid var(--border); border-radius: var(--radius-md);
  cursor: pointer; position: relative; transition: all 0.2s; background: #fff;
}
.option-card:hover { border-color: var(--primary); background: #FAFBFC; }
.option-card.active {
  border-color: var(--primary);
  background: var(--primary-light);
}
.card-check {
  position: absolute; top: 8px; right: 8px;
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border); font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  color: transparent;
}
.option-card.active .card-check {
  border-color: var(--primary); background: var(--primary); color: #fff;
}
.card-icon { font-size: 28px; margin-bottom: 8px; }
.card-title { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.card-desc { font-size: 12px; color: var(--text-hint); }

/* ====== 增量对比 ====== */
.increment-box {
  margin-top: 16px; padding: 14px; background: var(--accent-light);
  border: 1px solid var(--accent); border-radius: var(--radius-md);
}
.increment-title { font-size: 13px; font-weight: 500; color: var(--accent); margin-bottom: 8px; }
.increment-row { font-size: 13px; color: var(--text); margin-bottom: 4px; }
.increment-row strong { color: var(--accent); font-family: Consolas, monospace; }

/* ====== 复选框 ====== */
.checkbox-label {
  display: flex; align-items: center; gap: 6px; font-size: 13px;
  color: var(--text); cursor: pointer; margin: 12px 0;
}
.checkbox-label input { margin: 0; }

/* ====== 预览区 ====== */
.preview-viewport {
  flex: 1; display: flex; align-items: flex-start; justify-content: center;
  padding: 40px; overflow-y: auto;
}
.preview-placeholder { text-align: center; width: 100%; }
.placeholder-dimensions {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 32px;
}
.dim-label { font-size: 16px; color: var(--text); }
.dim-val { font-family: Consolas, monospace; font-size: 24px; color: var(--primary); }
.dim-sep { font-size: 20px; color: var(--text-hint); }

.steel-stats {
  display: flex; gap: 24px; justify-content: center; flex-wrap: wrap;
}
.stat-item {
  padding: 16px 24px; background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--border); text-align: center; min-width: 140px;
  font-size: 13px; color: var(--text-hint);
}
.stat-item strong { display: block; font-size: 22px; color: var(--accent); font-family: Consolas, monospace; margin-top: 4px; }

/* ====== 结果面板 ====== */
.result-panel { text-align: left; padding: 20px; background: #fff; border-radius: var(--radius-lg); }
.result-panel h3 { font-size: 16px; margin-bottom: 16px; color: var(--text); }
.result-cards { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.result-card {
  flex: 1; min-width: 120px; padding: 16px; background: var(--bg-preview);
  border-radius: var(--radius-md); text-align: center;
}
.result-card .rc-val { font-size: 20px; font-weight: 700; color: var(--accent); font-family: Consolas, monospace; }
.result-card .rc-label { font-size: 12px; color: var(--text-hint); margin-top: 4px; }
.result-card.rc-primary { background: var(--accent); }
.result-card.rc-primary .rc-val { color: #fff; font-size: 22px; }
.result-card.rc-primary .rc-label { color: rgba(255,255,255,0.75); }
.result-card.rc-bench { position: relative; }
.result-card .rc-bench-badge {
  display: inline-block; font-size: 10px; padding: 2px 8px; border-radius: 10px;
  margin-top: 4px; font-weight: 600;
}
.rc-bench-badge.good { background: #E8F9E8; color: #00B42A; }
.rc-bench-badge.normal { background: #F0F5FF; color: #165DFF; }
.rc-bench-badge.high { background: #FFF7E8; color: #FF7D00; }

.result-table-wrap { overflow-x: auto; }
.result-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.result-table th, .result-table td {
  padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--border);
}
.result-table th { background: var(--bg-preview); font-weight: 500; color: var(--text-secondary); text-align: left; }
.result-table td:first-child, .result-table th:first-child { text-align: left; }
.result-table td:last-child, .result-table th:last-child { text-align: right; }
.result-table tfoot td { border-top: 2px solid var(--text); }

.result-parapet { margin-top: 16px; padding: 12px; background: var(--accent-light); border-radius: var(--radius-md); font-size: 13px; }

/* ====== 省钢量推荐 ====== */
.steel-optimize {
  margin-top: 16px; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--bg-preview); font-size: 13px;
}
.so-header { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 10px; }
.so-sub { font-size: 11px; font-weight: 400; color: var(--text-secondary); margin-left: 8px; }
.so-summary { padding: 10px 12px; border-radius: var(--radius-sm); background: var(--accent-light); line-height: 1.9; }
.so-summary.so-ok { background: rgba(18, 128, 78, 0.10); color: var(--text); }
.so-save, .so-more, .so-same { font-weight: 600; }
.so-more { color: #c63030; }
.so-same { color: var(--text-secondary); }
.so-save { color: #12807e; }
.so-apply {
  padding: 6px 14px; border: 1px solid var(--accent); border-radius: var(--radius-sm);
  background: var(--accent); color: #fff; font-size: 12px; cursor: pointer;
  margin-left: 8px; transition: opacity 0.15s;
}
.so-apply:hover { opacity: 0.88; }
.so-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 12px; }
.so-table th, .so-table td { padding: 7px 8px; text-align: left; border-bottom: 1px solid var(--border); }
.so-table thead th { color: var(--text-secondary); font-weight: 500; font-size: 11px; }
.so-table tr.so-best td { background: rgba(18, 128, 78, 0.07); font-weight: 600; }

/* ====== 建筑图参考 ====== */
.arch-ref {
  margin-top: 16px; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  background: var(--bg-preview);
}
.ar-header {
  font-size: 14px; font-weight: 600; color: var(--accent);
  margin-bottom: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.ar-sub { font-size: 11px; font-weight: 400; color: var(--text-secondary); flex: 1 1 auto; }
.ar-btn {
  padding: 6px 12px; border: 1px solid var(--accent); border-radius: var(--radius-sm);
  background: var(--bg-card); color: var(--accent); font-size: 12px; cursor: pointer;
}
.ar-btn:hover { background: var(--accent-light); }
.ar-sheets { display: flex; flex-wrap: wrap; gap: 10px; }
.ar-sheet {
  flex: 1 1 320px; min-width: 300px; padding: 6px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-card);
}
.ar-sheet-wide { flex: 1 1 100%; }
.ar-gallery-title { margin: 16px 0 8px; font-size: 12px; color: var(--text-secondary); }
.dwg-strip { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; }
.dwg-item {
  flex: 0 0 168px; cursor: pointer; border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-card);
}
.dwg-item:hover { border-color: var(--accent); }
.dwg-item img { width: 100%; display: block; background: #fff; }
.dwg-item span { display: block; padding: 5px 6px; font-size: 10px; color: var(--text-secondary); line-height: 1.4; }
.dwg-item span b { color: var(--accent); }
.dwg-lightbox { position: fixed; inset: 0; z-index: 999; display: flex; align-items: center; justify-content: center; }
.dwg-lb-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.72); }
.dwg-lb-body {
  position: relative; z-index: 1; width: 94vw; height: 92vh;
  background: var(--bg-card); border-radius: var(--radius-md);
  display: flex; flex-direction: column; overflow: hidden;
}
.dwg-lb-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 500; color: var(--accent);
}
.dwg-lb-close {
  padding: 5px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-preview); color: var(--text); font-size: 12px; cursor: pointer;
}
.dwg-lb-body img { flex: 1; min-height: 0; width: 100%; object-fit: contain; background: #fff; }

/* ====== 方案对比 ====== */
.compare-section { margin-top: 16px; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.compare-header {
  padding: 12px 16px; background: var(--bg-preview); cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--accent);
  display: flex; justify-content: space-between; align-items: center;
  user-select: none;
}
.compare-header:hover { background: var(--accent-light); }
.compare-arrow { transition: transform 0.2s; font-size: 10px; }
.compare-arrow.open { transform: rotate(90deg); }
.compare-body { padding: 16px; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 12px; margin-top: 8px; }
.compare-table th, .compare-table td {
  padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--border);
}
.compare-table th { background: var(--bg-preview); font-weight: 500; color: var(--text-secondary); font-size: 11px; }
.compare-table td:first-child, .compare-table th:first-child { text-align: left; }
.compare-table .diff { font-weight: 600; }
.compare-table .diff.plus { color: var(--error); }
.compare-table .diff.minus { color: var(--success); }

/* ====== 引导联系 CTA ====== */
.cta-box {
  margin-top: 20px; padding: 20px 24px;
  background: linear-gradient(135deg, var(--accent) 0%, #1A5A8F 100%);
  border-radius: var(--radius-md); color: #fff;
}
.cta-text { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.cta-urgency {
  font-size: 12px; font-weight: 600; color: #FFD700;
  letter-spacing: 1px; margin-bottom: 4px;
}
.cta-text strong { font-size: 16px; }
.cta-text span { font-size: 12px; opacity: 0.85; }
.cta-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.cta-phone {
  display: flex; align-items: center; gap: 8px; padding: 10px 22px;
  background: #fff; color: var(--accent); border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 800; font-family: Consolas, monospace;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform 0.15s;
}
.cta-phone:hover { transform: scale(1.05); }
.cta-copy {
  padding: 10px 20px; background: rgba(255,255,255,0.15);
  color: #fff; border: 1px solid rgba(255,255,255,0.3); border-radius: var(--radius-sm);
  font-size: 13px; cursor: pointer; font-weight: 600;
  transition: background 0.15s;
}
.cta-copy:hover { background: rgba(255,255,255,0.25); }
.cta-qrcode {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.qrcode-img {
  width: 90px; height: 90px;
  border-radius: var(--radius-sm);
  background: #fff; padding: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  object-fit: contain;
  cursor: zoom-in;
}
.qrcode-text { display: flex; flex-direction: column; gap: 4px; }
.qrcode-text strong { font-size: 14px; font-weight: 600; }
.qrcode-text span { font-size: 12px; opacity: 0.75; }

/* ====== 底部微信按钮 ====== */
.btn-wechat {
  display: flex; align-items: center; gap: 4px;
  padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: #07C160; font-size: 12px; cursor: pointer;
  transition: all 0.15s;
}
.btn-wechat:hover { background: #E8F9EE; border-color: #07C160; }
.wechat-popup {
  position: absolute; right: 80px; bottom: 64px;
  background: #fff; border-radius: var(--radius-md);
  padding: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  min-width: 160px; z-index: 101;
}
.wechat-popup::after {
  content: ''; position: absolute; right: 12px; bottom: -8px;
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #fff;
}
.popup-qrcode { width: 140px; height: 140px; border-radius: var(--radius-sm); object-fit: contain; }
.popup-text { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.popup-text strong { font-size: 13px; color: var(--text); }
.popup-text span { font-size: 11px; color: var(--text-hint); }
.popup-phone { font-weight: 600; color: var(--accent) !important; font-family: Consolas, monospace; font-size: 12px !important; }

/* ====== 底部操作栏 ====== */
.bottom-bar {
  height: 64px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: #fff; border-top: 1px solid var(--border);
  flex-shrink: 0; position: relative;
}

/* ====== 结构形式示意图 ====== */
.structure-diagram {
  height: 200px;
  background: #fff;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.structure-diagram svg {
  max-width: 560px;
  height: 180px;
}
.step-indicator { display: flex; align-items: center; gap: 8px; }
.step-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border);
}
.step-dot.active { background: var(--primary); }
.step-dot.done { background: var(--success); }
.step-text { font-size: 13px; color: var(--text-hint); margin-left: 4px; }

/* ====== Toast ====== */
.toast {
  position: fixed; top: 72px; left: 50%; transform: translateX(-50%);
  background: #1D2129; color: #fff; padding: 10px 24px;
  border-radius: var(--radius-md); font-size: 14px;
  max-width: min(860px, 92vw); word-break: break-all; text-align: center;
  z-index: 1000; animation: toastIn 0.3s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ====== 品牌页脚 ====== */
.brand-footer {
  background: linear-gradient(135deg, var(--brand-dark) 0%, #3D2518 100%);
  color: rgba(255,255,255,0.7);
  flex-shrink: 0;
  font-size: 12px;
}
.bf-main {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 28px; gap: 24px; flex-wrap: wrap;
}
.bf-col { display: flex; flex-direction: column; gap: 3px; }
.bf-name { color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.bf-col p { color: rgba(255,255,255,0.5); font-size: 11px; margin: 0; }
.bf-col span { display: flex; align-items: center; gap: 4px; color: rgba(255,255,255,0.65); }
.bf-tool-info { text-align: right; }
.bf-tool-info span { color: rgba(255,255,255,0.4); font-size: 11px; }
.bf-trust {
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  padding: 8px 28px; border-top: 1px solid rgba(255,255,255,0.08);
}
.trust-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: rgba(255,255,255,0.45);
}
.trust-badge svg { opacity: 0.5; }
.bf-disclaimer {
  text-align: center; padding: 6px 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.35); font-size: 11px;
}

/* ====== 免责声明弹窗 ====== */
.disclaimer-modal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
}
.disclaimer-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,0.45);
}
.disclaimer-dialog {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  padding: 32px 40px; max-width: 440px; width: 90%;
  text-align: center; box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.disclaimer-icon { font-size: 40px; margin-bottom: 12px; }
.disclaimer-dialog h3 { font-size: 18px; margin-bottom: 12px; color: var(--text); }
.disclaimer-dialog p { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.6; }
.disclaimer-dialog p strong { color: var(--accent); }
.disclaimer-note { font-size: 11px !important; color: var(--text-hint) !important; margin-top: 12px !important; }
.disclaimer-actions { display: flex; gap: 12px; margin-top: 20px; justify-content: center; }

/* ====== 通用弹窗（2026-09-28 业务员版：客户信息 / 我的项目）====== */
.modal {
  position: fixed; inset: 0; z-index: 2100;
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.modal-dialog {
  position: relative; background: #fff; border-radius: var(--radius-lg);
  padding: 22px 24px; max-width: 520px; width: 100%;
  max-height: 88vh; overflow: auto; text-align: left;
  box-shadow: 0 8px 40px rgba(0,0,0,0.24);
  animation: modalIn 0.22s ease;
}
.modal-wide { max-width: 640px; }
.modal-dialog h3 { font-size: 17px; margin: 0 0 6px; color: var(--text); }
.modal-note { font-size: 12px; color: var(--text-hint); margin: 0 0 14px; line-height: 1.55; }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; justify-content: flex-end; flex-wrap: wrap; }
.modal-actions .btn-outline, .modal-actions .btn-primary {
  min-height: 40px; display: inline-flex; align-items: center; justify-content: center;
}

/* 客户信息表单 */
.cust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.cust-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--text-secondary); }
.cust-grid input, .proj-actions input {
  height: 38px; padding: 0 10px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 13.5px; min-width: 0;
  background: #fff; color: var(--text);
}
.cust-grid input:focus, .proj-actions input:focus { border-color: var(--accent); outline: none; }
.cust-extra { margin-top: 12px; }
.cust-check { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-secondary); cursor: pointer; }
.cust-check input { width: 16px; height: 16px; }

/* 我的项目 */
.proj-actions { display: flex; gap: 8px; margin-bottom: 12px; }
.proj-actions input { flex: 1; }
.proj-actions .btn-primary { min-height: 38px; padding: 0 16px; white-space: nowrap; display: inline-flex; align-items: center; }
.proj-list { max-height: 46vh; overflow: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.proj-empty { padding: 22px 16px; text-align: center; font-size: 12.5px; color: var(--text-hint); line-height: 1.8; }
.proj-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.proj-row:last-child { border-bottom: none; }
.proj-info { flex: 1; min-width: 0; }
.proj-name { font-size: 13.5px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proj-meta { font-size: 11.5px; color: var(--text-hint); margin-top: 3px; }
.proj-btns { display: flex; gap: 6px; flex-shrink: 0; }
.btn-mini {
  min-height: 32px; padding: 0 10px; font-size: 12px; cursor: pointer;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: var(--text-secondary);
}
.btn-mini:hover { border-color: var(--accent); color: var(--accent); }
.btn-mini.danger:hover { border-color: #E5484D; color: #E5484D; }
.file-label { cursor: pointer; }
.proj-foot { justify-content: space-between; }

/* ====== 响应式 ====== */
@media (max-width: 900px) {
  body { overflow: auto; height: auto; }
  .main-content { flex-direction: column; }
  .left-panel { width: 100%; max-width: none; min-width: 0; }
  .right-panel { min-height: 400px; }
  .card-select { flex-direction: column; }
  .top-bar { height: auto; flex-wrap: wrap; padding: 10px 14px; gap: 8px; }
  .brand { gap: 8px; }
  .brand-logo { width: 36px; height: 30px; }
  .brand-name { font-size: 15px; }
  .brand-sub { display: none; }
  .brand-contact { font-size: 11px; padding: 4px 10px; }
  .brand-contact svg { width: 12px; height: 12px; }
  .project-name { width: 120px; font-size: 12px; }
  .disclaimer-badge { display: none; }
  .header-actions { order: 10; }
  .preview-viewport { padding: 16px; }
  .dim-val { font-size: 18px; }
  .stat-item { min-width: 100px; padding: 10px 14px; }
  .stat-item strong { font-size: 16px; }
  .structure-diagram { height: 140px; }
  .structure-diagram svg { height: 120px; }
  .bottom-bar { height: 56px; padding: 0 12px; }
  .btn-wechat { padding: 4px 8px; font-size: 11px; }
  .wechat-popup { right: 60px; bottom: 56px; }
  .result-cards { gap: 8px; }
  .result-card { min-width: 80px; padding: 10px; }
  .result-card .rc-val { font-size: 16px; }
  .result-card.rc-primary .rc-val { font-size: 18px; }
  .cta-box { padding: 14px 16px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-phone, .cta-copy { text-align: center; justify-content: center; }
  .disclaimer-dialog { width: 90%; padding: 24px 16px; }
  /* 业务员版（2026-09-28）：触摸目标放大 + 弹窗单列 */
  .btn-icon { width: 42px; height: 42px; }
  .project-name { width: 160px; }
  .cust-grid { grid-template-columns: 1fr; }
  .modal-dialog { padding: 18px 16px; }
}

/* 手机竖屏（业务员现场用手机算量）*/
@media (max-width: 640px) {
  .btn-icon { width: 44px; height: 44px; font-size: 17px; }
  .header-actions { gap: 5px; }
  .brand-name { font-size: 14px; }
  .project-name { width: 100%; order: 3; font-size: 13px; }
  .proj-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .proj-btns { justify-content: flex-end; }
  .btn-mini { min-height: 36px; }
  .modal-dialog { max-height: 92vh; }
  .proj-actions { flex-wrap: wrap; }
}

/* ====== 夹层配置 ====== */
.mezzanine-params {
  border-color: #E8A040 !important;
  border-left: 4rpx solid #E8A040 !important;
  margin-top: 8px;
}
.mezzanine-params summary {
  color: #B06820;
  font-weight: 500;
}
/* Range slider */
input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #E5E6EB;
  outline: none;
  -webkit-appearance: none;
  margin: 12px 0 4px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #E8A040;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #E8A040;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
#mezzPreviewBox {
  background: #FDF6EC !important;
  border-color: #E8A040 !important;
}
#mezzPreviewBox .increment-title { color: #B06820 !important; }
#mezzPreviewBox strong { color: #8B4513 !important; }
.mezz2-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px dashed #E8A040;
}
#mezz2PreviewBox {
  background: #FDF6EC !important;
  border-color: #E8A040 !important;
}
#mezz2PreviewBox .increment-title { color: #B06820 !important; }
#mezz2PreviewBox strong { color: #8B4513 !important; }
}

/* ====== 檩条 / 抗风柱选型依据（2026-09-27 r39） ====== */
.purlin-basis {
  margin: 16px 0; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-md);
}
.pb-header { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.pb-sub { font-weight: 400; font-size: 11px; color: var(--text-hint); margin-left: 8px; }
.pb-wind {
  font-size: 12px; color: var(--text-secondary); line-height: 1.6;
  padding: 6px 9px; margin-bottom: 10px;
  border-radius: 6px; background: var(--bg-preview);
}
.pb-wind strong { color: var(--text-secondary); }
.pb-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.pb-table th {
  text-align: left; font-weight: 500; color: var(--text-hint);
  padding: 5px 6px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.pb-table td {
  padding: 7px 6px; border-bottom: 1px solid var(--border);
  color: var(--text-secondary); vertical-align: top;
}
.pb-table tr:last-child td { border-bottom: none; }
.pb-mini { font-size: 10.5px; color: var(--text-hint); line-height: 1.5; }
.pb-alt { font-size: 11px; line-height: 1.6; }
.pb-save { color: #16a34a; font-weight: 600; }
.pb-more { color: #dc2626; font-weight: 600; }
.pb-wc {
  margin-top: 10px; padding: 8px 9px; font-size: 12px; line-height: 1.6;
  color: var(--text-secondary); border-radius: 6px; background: var(--bg-preview);
}
.pb-tip { margin-top: 8px; font-size: 11.5px; color: #b45309; }
.pb-foot { margin-top: 10px; font-size: 11px; color: var(--text-hint); line-height: 1.6; }

@media (max-width: 640px) {
  .purlin-basis { padding: 10px; }
  .pb-table { font-size: 11px; }
  .pb-table th, .pb-table td { padding: 5px 4px; }
  .pb-sub { display: block; margin-left: 0; margin-top: 2px; }
  .pb-col-alt, .pb-table td.pb-alt { display: none; }   /* 小屏隐藏对比列，避免 8 列挤压 */
}