/* ===== 共享样式（评标测算系统）===== */
:root {
  --primary: #1a4972;
  --primary-dark: #0f2f4a;
  --primary-light: #e8f0fa;
  --primary-subtle: #f5f9ff;
  --accent: #1f7b3d;
  --accent-light: #e4f4e8;
  --gray-50: #f8fafc;
  --gray-100: #f1f4f9;
  --gray-200: #e2e9f2;
  --gray-300: #cdd8e6;
  --gray-500: #7a8b9f;
  --gray-700: #3d4f62;
  --gray-900: #1e2a3a;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.03);
  --shadow-md: 0 4px 16px rgba(0,0,0,.06), 0 2px 6px rgba(0,0,0,.03);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: .2s ease;

  /* 渐变品牌色（参考 CodeBuddy 蓝紫科技风） */
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --grad: linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);
  --grad-hover: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
  --grad-green: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --grad-soft: linear-gradient(135deg, #eef2ff 0%, #eff6ff 100%);
  --shadow-lg: 0 24px 70px rgba(31, 41, 55, .18), 0 8px 24px rgba(31, 41, 55, .10);
  --glow: 0 6px 18px rgba(79, 70, 229, .30);
  --glow-hover: 0 10px 28px rgba(124, 58, 237, .42);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
  background: #f0f4fa; color: var(--gray-900); min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; }

/* 顶部导航（参考 CodeBuddy 首页：白底毛玻璃 + 渐变徽标 + 胶囊链接） */
.topnav {
  display: flex; align-items: center; gap: 18px;
  background: rgba(255,255,255,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 12px 26px; box-shadow: 0 2px 18px rgba(15,23,42,.07);
  border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 50;
}
.topnav .brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; color: var(--gray-900); }
.topnav .brand .logo { width: 34px; height: 34px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: var(--grad); box-shadow: 0 6px 16px rgba(79,70,229,.42); }
.topnav .brand .logo svg { width: 20px; height: 20px; display: block; }
.topnav .brand .brand-text .accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.topnav .links { display: flex; gap: 4px; flex-wrap: wrap; margin-left: 6px; }
.topnav .links a { padding: 8px 16px; border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--gray-700); transition: all var(--transition); white-space: nowrap; }
.topnav .links a:hover { background: var(--grad-soft); color: var(--brand-dark); }
.topnav .links a.active { background: var(--grad); color: #fff; box-shadow: 0 6px 16px rgba(79,70,229,.30); }
.topnav .spacer { flex: 1; }
.topnav .user-box { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--gray-700); background: var(--gray-50); padding: 5px 6px 5px 14px; border-radius: 999px; border: 1px solid var(--gray-200); }
.topnav .user-box .uname { font-weight: 700; color: var(--gray-900); }
.topnav .logout { cursor: pointer; color: #fff; font-weight: 600; background: var(--grad); padding: 5px 14px; border-radius: 999px; transition: all var(--transition); }
.topnav .logout:hover { background: var(--grad-hover); }

.container { max-width: 1280px; margin: 0 auto; padding: 22px; }
.page-title { font-size: 20px; font-weight: 700; color: var(--primary-dark); margin-bottom: 4px; position: relative; padding-left: 14px; }
.page-title::before { content: ''; position: absolute; left: 0; top: 3px; bottom: 3px; width: 5px; border-radius: 4px; background: var(--grad); }
.page-sub { color: var(--gray-500); font-size: 13px; margin-bottom: 18px; }

/* 卡片 */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 18px 22px; margin-bottom: 18px; border: 1px solid var(--gray-200); }
.card-title { font-size: 15px; font-weight: 600; color: var(--primary-dark); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-title .badge { font-size: 12px; font-weight: 500; background: var(--gray-100); color: var(--gray-700); padding: 1px 12px; border-radius: 20px; }
.card-title .hint { font-size: 12px; font-weight: 400; color: var(--gray-700); background: var(--primary-subtle); padding: 3px 14px; border-radius: 20px; border: 1px solid #d4e2f0; margin-left: auto; }

/* 表单 */
.param-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px 24px; align-items: end; }
.field { display: flex; flex-direction: column; gap: 3px; }
.field label { font-size: 13px; font-weight: 500; color: var(--gray-700); }
.field input, .field select, input.inp, select.inp {
  padding: 8px 12px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--gray-900); background: #fafcfe; height: 40px; width: 100%;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(99,102,241,.16); }
input[readonly] { background: var(--gray-50); color: var(--primary-dark); font-weight: 600; }

/* 按钮 */
.btn { padding: 9px 22px; border: none; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; cursor: pointer; transition: background var(--transition), transform .1s; height: 40px; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--grad); background-size: 160% 160%; color: #fff; box-shadow: var(--glow); }
.btn-primary:hover { background: var(--grad-hover); box-shadow: var(--glow-hover); }
.btn-gradient { background: var(--grad); background-size: 160% 160%; color: #fff; box-shadow: var(--glow); }
.btn-gradient:hover { background: var(--grad-hover); box-shadow: var(--glow-hover); }
.btn-gradient-green { background: var(--grad-green); color: #fff; box-shadow: 0 6px 18px rgba(22,163,74,.28); }
.btn-gradient-green:hover { filter: brightness(1.06); box-shadow: 0 8px 24px rgba(22,163,74,.36); }
.btn-success { background: var(--grad-green); color: #fff; box-shadow: 0 6px 18px rgba(22,163,74,.28); }
.btn-success:hover { filter: brightness(1.06); box-shadow: 0 8px 24px rgba(22,163,74,.36); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-danger-outline { background: transparent; color: #b13a30; border: 2px solid #b13a30; }
.btn-danger-outline:hover { background: #fde8e5; }
.btn-sm { padding: 6px 16px; font-size: 13px; height: 34px; }
.btn-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; align-items: center; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th { background: var(--gray-100); color: var(--primary-dark); font-weight: 600; padding: 8px 10px; border-bottom: 2px solid var(--gray-200); text-align: center; white-space: nowrap; font-size: 12px; }
table td { padding: 6px 8px; border-bottom: 1px solid var(--gray-200); text-align: center; vertical-align: middle; }
table td input { width: 100%; min-width: 52px; padding: 5px 6px; border: 1.5px solid var(--gray-200); border-radius: 6px; font-size: 13px; text-align: center; background: #fafcfe; height: 34px; }
table td input:focus { outline: none; border-color: var(--primary); }

/* 投标人配置表格：紧凑列宽，避免横向滚动 */
.bidder-table { width: 100%; table-layout: auto; }
.bidder-table th, .bidder-table td { padding: 6px 4px; white-space: nowrap; }
.bidder-table td input { min-width: 44px; padding: 5px 4px; }
.bidder-card .table-wrap { overflow-x: hidden; }
.range-pair { display: flex; align-items: center; gap: 4px; justify-content: center; }
.range-pair input { width: 70px !important; min-width: 50px !important; }
.range-pair span { color: var(--gray-500); font-weight: 500; }
.btn-icon { background: transparent; border: none; font-size: 16px; cursor: pointer; padding: 2px 6px; border-radius: 6px; color: var(--gray-500); }
.btn-icon:hover { background: var(--gray-100); color: var(--primary); }
.btn-icon.danger:hover { color: #c0392b; background: #fde8e5; }
.btn-icon.success:hover { color: var(--accent); background: var(--accent-light); }

/* 统计条 */
.stats-bar { display: flex; flex-wrap: wrap; gap: 12px 28px; padding: 10px 14px; background: var(--primary-subtle); border-radius: var(--radius-sm); border: 1px solid #dce8f5; margin-top: 8px; }
.stats-bar .item { display: flex; align-items: baseline; gap: 5px; font-size: 13px; }
.stats-bar .item .label { color: var(--gray-700); font-weight: 500; }
.stats-bar .item .value { font-weight: 700; color: var(--gray-900); font-size: 15px; }
.stats-bar .item .value.highlight { color: #b8860b; }
.stats-bar .item .value.accent { color: var(--primary); }

/* 评标办法卡片（参考 CodeBuddy「OPC 一人公司」功能卡） */
.method-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.method-card {
  background: #fff; border: 1.5px solid var(--gray-200); border-radius: var(--radius); padding: 20px 20px 18px;
  cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  position: relative; display: flex; flex-direction: column; overflow: hidden;
}
.method-card::before { content: ''; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: var(--grad); opacity: 0; transition: opacity var(--transition); }
.method-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(79,70,229,.18); border-color: transparent; }
.method-card:hover::before { opacity: 1; }
.method-card.selected { border-color: transparent; background: var(--grad-soft); box-shadow: 0 0 0 2px var(--brand), 0 14px 34px rgba(79,70,229,.22); }
.method-card.selected::before { opacity: 1; }
.method-card .m-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.method-card .m-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--grad); display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(79,70,229,.35); }
.method-card .m-icon svg { width: 24px; height: 24px; display: block; }
.method-card .m-index { font-size: 14px; font-weight: 800; color: var(--gray-300); letter-spacing: 1px; }
.method-card .m-name { font-size: 16px; font-weight: 800; color: var(--gray-900); margin-bottom: 8px; }
.method-card .m-audience { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.method-card .m-region { font-size: 12px; color: #fff; background: var(--grad); padding: 2px 11px; border-radius: 12px; }
.method-card .m-cat { font-size: 12px; color: var(--brand-dark); background: var(--grad-soft); padding: 2px 11px; border-radius: 12px; border: 1px solid #dde5ff; }
.method-card .m-desc { font-size: 13px; color: var(--gray-700); line-height: 1.7; margin-bottom: 12px; }
.method-card .m-rules { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 0 0 14px; padding: 12px 14px; background: var(--gray-50); border-radius: 10px; border: 1px solid var(--gray-200); }
.method-card .m-rules li { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.method-card .m-rules .k { flex: 0 0 auto; width: 64px; color: var(--gray-500); font-weight: 600; }
.method-card .m-rules .v { color: var(--gray-900); font-weight: 600; }
.method-card .m-pick { margin-top: auto; justify-content: center; width: 100%; }

/* 登录 */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
  position: relative; overflow: hidden;
  background-color: #0b1020;
  background-image: url('/img/login-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.login-wrap::after {
  content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  left: -160px; bottom: -200px; z-index: 0;
  background: radial-gradient(circle, rgba(99,102,241,.35), transparent 70%);
  filter: blur(20px);
}
.login-card {
  position: relative; z-index: 1;
  background: rgba(255,255,255,.94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 20px; padding: 38px 34px; width: 100%; max-width: 410px;
  box-shadow: 0 30px 80px rgba(8, 12, 35, .45);
}
.login-brand { text-align: center; margin-bottom: 22px; }
.login-logo {
  width: 76px; height: 76px; margin: 0 auto 12px; border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad); box-shadow: 0 12px 30px rgba(79,70,229,.45);
  animation: logo-float 4s ease-in-out infinite;
}
.login-logo svg { width: 42px; height: 42px; display: block; }
@keyframes logo-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.login-card h1 { font-size: 23px; font-weight: 800; letter-spacing: .5px; color: var(--gray-900); margin-bottom: 4px; }
.login-card h1 .accent { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-card .sub { text-align: center; color: var(--gray-500); font-size: 13px; margin-bottom: 4px; }
.login-card .field { margin-bottom: 15px; }
.login-card .field label { color: var(--gray-700); font-weight: 600; }
.login-card input.inp, .login-card .field input {
  background: #fff; border: 1.6px solid var(--gray-200); height: 44px; padding: 10px 14px; font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.login-card .field input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(99,102,241,.15); }
.login-card .btn { width: 100%; justify-content: center; margin-top: 8px; height: 46px; font-size: 15px; letter-spacing: 1px; }
.login-err { color: #ef4444; font-size: 13px; text-align: center; min-height: 18px; margin-bottom: 8px; }

/* 验证码 */
.captcha-row { display: flex; align-items: stretch; gap: 8px; }
.captcha-row input { flex: 1; min-width: 0; letter-spacing: 2px; text-transform: uppercase; }
.captcha-box { display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm); background: #f3f6fb; cursor: pointer; overflow: hidden; height: 48px; width: auto; flex: 0 0 auto; }
.captcha-box img { display: block; height: 48px; width: auto; }
.captcha-box:hover { border-color: var(--primary); }
.captcha-refresh { flex: 0 0 auto; width: 48px; height: 48px; border: 1.5px solid var(--gray-200); background: #fff; border-radius: var(--radius-sm); cursor: pointer; font-size: 18px; color: var(--primary); transition: all var(--transition); }
.captcha-refresh:hover { background: var(--primary-light); border-color: var(--primary); }

/* 密码强度提示 */
.pwd-hint { font-size: 12px; color: var(--gray-500); margin: -8px 0 12px; line-height: 1.4; }
.pwd-hint.bad { color: #b13a30; }
.pwd-hint.ok { color: var(--accent); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--gray-200); margin-bottom: 18px; flex-wrap: wrap; }
.tabs .tab { padding: 10px 18px; cursor: pointer; font-weight: 600; color: var(--gray-500); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* 模态框 */
.modal-mask { position: fixed; inset: 0; background: rgba(15,47,74,.45); display: none; align-items: center; justify-content: center; z-index: 100; padding: 16px; }
.modal-mask.show { display: flex; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 600px; padding: 22px 24px; box-shadow: var(--shadow-lg); max-height: 92vh; overflow: auto; }
.sec-title { grid-column: 1 / -1; font-size: 13px; font-weight: 700; color: var(--primary); margin: 6px 0 2px; padding-top: 8px; border-top: 1px dashed var(--gray-200); }
.mini-table { font-size: 12px; }
.mini-table th { padding: 5px 6px; }
.mini-table td input { height: 30px; }
.range-pair-mini { display: flex; align-items: center; gap: 6px; }
.chk-inline { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-700); }
.modal h3 { font-size: 16px; color: var(--primary-dark); margin-bottom: 14px; }
.modal .field { margin-bottom: 12px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }

/* 记录列表 */
.record-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--gray-200); border-radius: var(--radius-sm); margin-bottom: 10px; cursor: pointer; transition: all var(--transition); }
.record-item:hover { border-color: var(--primary); background: var(--primary-subtle); }
.record-item .r-main { flex: 1; }
.record-item .r-title { font-weight: 600; color: var(--primary-dark); }
.record-item .r-meta { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.record-item .r-go { color: var(--primary); font-size: 13px; font-weight: 600; }
.record-item .r-actions { display: flex; align-items: center; gap: 10px; }
.record-item .r-del { border: 1px solid var(--gray-200); background: #fff; color: #e53e3e; font-size: 12px; padding: 4px 10px; border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition); white-space: nowrap; }
.record-item .r-del:hover { border-color: #e53e3e; background: #fff5f5; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--gray-500); }
.empty-state .icon { font-size: 42px; margin-bottom: 10px; }

.toast { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); background: var(--gray-900); color: #fff; padding: 10px 22px; border-radius: 24px; font-size: 14px; z-index: 200; opacity: 0; transition: opacity .25s; pointer-events: none; }
.toast.show { opacity: 1; }

/* 评标结果表（高亮第一名）*/
.result-table th { background: var(--primary-dark); color: #fff; font-weight: 500; position: sticky; top: 0; z-index: 5; }
.result-table th[data-sort] { cursor: pointer; user-select: none; }
.result-table th[data-sort]:hover { background: #1f4a6e; }
.result-table td { font-size: 13px; padding: 6px 10px; }
.result-table tr:nth-child(even) { background: var(--gray-50); }
.result-table tr:hover { background: var(--primary-light); }
.result-table .rank-1 { background: #fff8e6 !important; }
.result-table .rank-1 td:first-child { font-weight: 700; color: #b8860b; }
.result-table .rank-1:hover { background: #fdf3d6 !important; }
.scroll-container { max-height: 480px; overflow-y: auto; border: 1px solid var(--gray-200); border-radius: var(--radius-sm); }
.scroll-container table { border-collapse: separate; border-spacing: 0; }
.scroll-container table thead { position: sticky; top: 0; z-index: 10; }

.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.muted { color: var(--gray-500); font-size: 13px; }
.tag-role { font-size: 11px; padding: 1px 8px; border-radius: 10px; }
.tag-admin { background: #fde8e5; color: #b13a30; }
.tag-user { background: var(--primary-subtle); color: var(--primary); }

/* 三栏布局：左右两列等高；投标人配置区主导高度（最低约15行，随家数增长但有上限），评标结果区跟随并内部滚动 */
.main-row { display: flex; gap: 18px; align-items: flex-start; }
.main-row .left-col, .main-row .right-col { flex: 1 1 48%; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.main-row .card { margin-bottom: 0; }
.main-row .right-col { gap: 18px; }

.gen-card { flex: 0 0 auto; }
/* 投标人配置：随家数自适应高度，下限约 14 行(≈800px)，无上限；高度由 JS 锁定 */
.bidder-card { display: flex; flex-direction: column; flex: 1 1 0; min-height: 800px; overflow: hidden; }
.bidder-card .table-wrap { flex: 1; min-height: 0; overflow: hidden; }
.bidder-card .btn-group { margin-top: auto; padding-top: 14px; }
/* 评标结果：高度由 JS 锁定为与投标人配置区一致；表格内部滚动 */
.result-card { display: flex; flex-direction: column; flex: 0 0 auto; min-height: 0; overflow: hidden; }
.result-card .scroll-container { flex: 1; min-height: 0; overflow: auto; }

/* ===== 响应式适配（手机 / 平板 / 电脑） ===== */
@media (max-width: 980px) {
  .main-row { flex-direction: column; align-items: stretch; }
  .bidder-card { min-height: 460px; }
  .result-card { min-height: 0; }
  .container { padding: 16px; }
}
@media (max-width: 768px) {
  .topnav { padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
  .topnav .links { gap: 4px; order: 3; width: 100%; justify-content: flex-start; }
  .topnav .links a { padding: 6px 10px; font-size: 13px; }
  .topnav .spacer { display: none; }
  .topnav .user-box { flex-wrap: wrap; }
  .container { padding: 12px; }
  .page-title { font-size: 18px; }
  .method-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .modal { padding: 18px 16px; }
  .stats-bar { gap: 10px 16px; }
  table { font-size: 12px; }
  table th, table td { padding: 6px 6px; }

  /* 移动端关键修复：投标人配置表此前 overflow:hidden 会把多列横向裁切，
     改为可横向滚动；并取消 800px 最小高度造成的空白 */
  .main-row { gap: 14px; }
  .bidder-card, .result-card { min-height: 0; }
  .bidder-card .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .result-card .scroll-container { max-height: none; }
  .bidder-table th, .bidder-table td { white-space: nowrap; }
  /* AI 分析控件在窄屏改为整行堆叠，避免下拉框挤压 */
  .analysis-controls { gap: 12px 14px; }
  .analysis-controls .ctrl-group { flex: 1 1 100%; }
  .analysis-controls select, .analysis-controls input[type=number] { min-width: 0; width: 100%; }
  .param-grid { grid-template-columns: 1fr 1fr; }
  .btn-group { gap: 8px; }
  .btn-group .btn { flex: 1 1 auto; justify-content: center; }
  .benchmark-info { gap: 12px 16px; }
  .bes-method-info { gap: 8px 18px; }
}
@media (max-width: 520px) {
  .login-card { padding: 26px 20px; }
  .login-card h1 { font-size: 20px; }
  .container { padding: 10px; }
  .card { padding: 14px; }
  .param-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .method-grid { grid-template-columns: 1fr; }
  .btn { padding: 9px 16px; }
  .captcha-box { width: auto; }
  .captcha-box img { height: 40px; }
  .captcha-refresh { width: 40px; height: 40px; }
  .page-title { font-size: 17px; }
  table { font-size: 11px; }
  .card-title { font-size: 14px; }
}
@media (max-width: 380px) {
  .param-grid { grid-template-columns: 1fr; }
  .captcha-row { flex-wrap: wrap; }
  .captcha-row input { flex: 1 1 100%; }
  .topnav .brand { font-size: 15px; }
}

/* ============ 美化增强（CodeBuddy 蓝紫科技风） ============ */

/* 顶部导航 logo 渐变徽标（主样式已在 .topnav 区定义） */
.topnav .brand .logo { box-shadow: 0 6px 16px rgba(79,70,229,.42); }

/* 卡片标题左侧渐变强调条 */
.card-title { position: relative; }
.card-title::before {
  content: ''; width: 4px; height: 16px; border-radius: 4px; margin-right: 8px;
  background: var(--grad); display: inline-block; vertical-align: -2px;
}
.card-title.flex-between { align-items: center; }
.card-title .ct-text { display: inline-flex; align-items: center; gap: 8px; }
.card-title .ct-actions { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.card-title .ct-ico { font-size: 16px; line-height: 1; }

/* 方法卡片增强（选择评标办法页） */
.method-card { overflow: hidden; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition); }
.method-card.selected { border-color: transparent; background: var(--grad-soft); box-shadow: 0 0 0 2px var(--brand), 0 14px 34px rgba(79,70,229,.22); }
.method-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(79,70,229,.20); border-color: transparent; }

/* 测算页：当前评标办法信息条（横向排列：指标名 + 值 同行，多组并排） */
.bes-method-info { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 32px; margin-top: 12px; }
.bes-method-info .mi { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.bes-method-info .mi .k { font-size: 14px; color: var(--gray-500); font-weight: 500; white-space: nowrap; }
.bes-method-info .mi .v { font-size: 15px; font-weight: 700; color: var(--gray-900); }
.bes-method-info .mi .v em { font-style: normal; color: var(--brand); background: var(--grad-soft); padding: 4px 14px; border-radius: 8px; border: 1px solid #dde5ff; }

/* 投标人配置：随家数自适应高度（下限约14行，无上限），按钮底部对齐，表格溢出滚动 */
.bidder-card { display: flex; flex-direction: column; flex: 1 1 0; min-height: 800px; overflow: hidden; }
.bidder-card .table-wrap { flex: 1; min-height: 0; overflow: hidden; }
.bidder-card .btn-group { margin-top: auto; padding-top: 14px; }

/* 基准价显示区 */
.gen-row { display: flex; flex-direction: column; gap: 14px; }
.benchmark-info {
  display: inline-flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 14px 18px; border-radius: 14px; background: var(--grad-soft); border: 1px solid #dde5ff;
}
.benchmark-info strong { font-size: 21px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* 评标结果：高度由 JS 锁定为与投标人配置区一致；表格溢出滚动 */
.result-card { display: flex; flex-direction: column; flex: 0 0 auto; min-height: 0; overflow: hidden; }
.result-card .scroll-container { flex: 1; min-height: 0; overflow: auto; }

/* AI 分析控件 */
.analysis-controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 22px; }
.analysis-controls .ctrl-group { display: flex; flex-direction: column; gap: 5px; }
.analysis-controls .ctrl-group > label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.analysis-controls select, .analysis-controls input[type=number] {
  height: 40px; padding: 8px 12px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 14px; background: #fff; min-width: 132px; color: var(--gray-900); width: auto;
}
.analysis-controls select:focus, .analysis-controls input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.analysis-controls .range-inline { display: flex; align-items: center; gap: 8px; }
.analysis-controls .range-inline input { min-width: 76px !important; width: 76px; }
.analysis-controls .range-inline span { color: var(--gray-500); font-weight: 700; }
.analysis-controls .status-text { font-size: 13px; color: var(--gray-500); align-self: center; }
/* 配合单位选择器（AI 深度分析） */
.coop-select { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 4px 0 2px; }
.coop-select .coop-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--gray-700); background: var(--gray-50); border: 1.5px solid var(--gray-200); border-radius: 999px; padding: 5px 12px; cursor: pointer; user-select: none; transition: all var(--transition); }
.coop-select .coop-chip input { width: 15px; height: 15px; accent-color: var(--brand); margin: 0; }
.coop-select .coop-chip:hover { border-color: var(--brand); background: var(--grad-soft); }
.coop-select .coop-chip.checked { border-color: var(--brand); background: var(--grad-soft); color: var(--brand-dark); font-weight: 600; }
.coop-hint { font-size: 12px; color: var(--gray-500); }
.analysis-progress { display: flex; align-items: center; gap: 10px; }
.analysis-progress .bar { flex: 1; height: 8px; background: var(--gray-100); border-radius: 99px; overflow: hidden; }
.analysis-progress .fill { height: 100%; background: var(--grad); border-radius: 99px; transition: width .2s; }
.analysis-progress .pct { font-size: 13px; font-weight: 700; color: var(--brand); }

/* 记录项 hover 渐变 */
.record-item:hover { border-color: var(--brand); background: var(--grad-soft); box-shadow: 0 6px 18px rgba(79,70,229,.10); }

/* 后台 tab 渐变下划线 */
.tabs .tab.active { color: var(--brand); border-bottom: 2px solid var(--brand); }
.tabs .tab:hover { color: var(--brand-dark); background: var(--grad-soft); border-radius: 8px 8px 0 0; }
.table-wrap table tbody tr { transition: background var(--transition); }
.table-wrap table tbody tr:hover { background: var(--grad-soft); }

/* ===== AI 提取区域 ===== */
.ai-upload-area {
  border: 2px dashed #c5cae9;
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
  background: linear-gradient(135deg, rgba(99,102,241,.03), rgba(139,92,246,.03));
}
.ai-upload-area:hover, .ai-upload-area.dragover {
  border-color: var(--brand);
  background: var(--grad-soft);
  box-shadow: 0 4px 16px rgba(79,70,229,.10);
}
.ai-upload-icon { font-size: 48px; margin-bottom: 12px; }
.ai-upload-text { font-size: 15px; color: #555; margin-bottom: 6px; }
.ai-upload-link { color: var(--brand); font-weight: 600; text-decoration: underline; }
.ai-upload-hint { font-size: 12px; color: #999; }
.ai-progress-bar { width: 100%; height: 6px; background: #e0e0e0; border-radius: 3px; overflow: hidden; margin-bottom: 8px; }
.ai-progress-fill { height: 100%; background: var(--grad); border-radius: 3px; animation: aiPulse 1.5s ease-in-out infinite; }
@keyframes aiPulse { 0%,100% { width: 30%; } 50% { width: 80%; } }
.ai-progress-text { font-size: 13px; color: var(--brand); text-align: center; }
.ai-badge-ok { background: #d4edda; color: #155724; }
.ai-badge-no { background: #f8d7da; color: #721c24; }

/* AI 策略分析面板 */
.ai-strategy-panel {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 20px;
  margin-top: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,.02), rgba(139,92,246,.02));
}
.ai-strategy-panel h4 { margin: 0 0 12px; font-size: 15px; color: var(--brand); }
.ai-strategy-content { font-size: 13px; line-height: 1.8; color: #333; }
.ai-strategy-content h1, .ai-strategy-content h2, .ai-strategy-content h3 { font-size: 15px; margin: 14px 0 8px; color: var(--brand-dark); }
.ai-strategy-content ul, .ai-strategy-content ol { margin: 6px 0 10px 20px; }
.ai-strategy-content li { margin-bottom: 4px; }
.ai-strategy-content strong { color: var(--brand); }
.ai-strategy-content table { width: 100%; border-collapse: collapse; margin: 8px 0; }
.ai-strategy-content th, .ai-strategy-content td { border: 1px solid #ddd; padding: 6px 10px; font-size: 12px; text-align: left; }
.ai-strategy-content th { background: var(--grad-soft); font-weight: 600; }

/* AI 策略分析结果（透视视角 / 阵营表格 / 风险表格） */
.strategy-perspective {
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid #d4d9f5;
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--brand-dark);
}
.strategy-perspective b { color: var(--brand); }
.strategy-subtitle {
  font-size: 14px !important;
  margin: 18px 0 8px !important;
  color: var(--brand-dark) !important;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--grad-soft);
}
.strategy-table { width: 100%; border-collapse: collapse; margin: 6px 0; font-size: 12px; }
.strategy-table th, .strategy-table td { border: 1px solid #e2e8f0; padding: 7px 10px; text-align: left; vertical-align: top; line-height: 1.5; }
.strategy-table thead th { background: linear-gradient(135deg, #f0f4ff, #f5f0ff); color: var(--brand-dark); font-weight: 600; white-space: nowrap; }
.strategy-table tbody tr:nth-child(even) { background: #fafbff; }
.strategy-table tbody tr:hover { background: var(--grad-soft); }
.risk-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
.risk-high { background: #ef4444; }
.risk-mid { background: #f59e0b; }
.risk-low { background: #10b981; }
.strategy-analysis { margin-top: 4px; }