:root {
  --primary: #3370ff;
  --primary-light: #e8f0ff;
  --good: #00a854;
  --medium: #ff9f0a;
  --bad: #f53f3f;
  --text: #1f2329;
  --text-secondary: #646a73;
  --border: #dee3e8;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

.container { max-width: 960px; margin: 0 auto; padding: 24px 16px 60px; }

/* 顶部导航 */
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.topbar .container { padding: 0 16px; display: flex; align-items: center; gap: 10px; }
.topbar .logo { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.topbar h1 { font-size: 17px; font-weight: 600; }
.topbar .badge { margin-left: auto; font-size: 12px; color: var(--text-secondary); background: #f2f3f5; padding: 3px 10px; border-radius: 20px; }

/* 卡片 */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 20px;
}
.card h2 { font-size: 18px; margin-bottom: 16px; }
.card h3 { font-size: 15px; margin: 18px 0 8px; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 14px; font-weight: 500; }
.form-item label .req { color: var(--bad); margin-left: 2px; }
.form-item label .opt { color: var(--text-secondary); font-weight: 400; font-size: 12px; }
.form-item input[type="text"], .form-item input[type="url"] {
  height: 40px; padding: 0 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; outline: none;
}
.form-item input:focus { border-color: var(--primary); }

/* 单选组 */
.radio-group { display: flex; gap: 12px; }
.radio-group label {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-size: 14px; user-select: none;
}
.radio-group input { accent-color: var(--primary); }
.radio-group label.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 42px; padding: 0 24px; border: none; border-radius: 8px; font-size: 15px; cursor: pointer;
  background: var(--primary); color: #fff; font-weight: 500;
}
.btn:hover { opacity: 0.92; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: #f2f3f5; color: var(--text); border: 1px solid var(--border); }

/* 进度 */
.progress-wrap { text-align: center; padding: 30px 0; }
.spinner { width: 44px; height: 44px; border: 4px solid var(--primary-light); border-top-color: var(--primary); border-radius: 50%; margin: 0 auto 16px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.step-list { text-align: left; max-width: 460px; margin: 20px auto 0; }
.step-list .step { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text-secondary); }
.step-list .step.done { color: var(--good); }
.step-list .step.active { color: var(--text); font-weight: 500; }
.step-icon { width: 18px; text-align: center; }

/* 报告 */
.report-header { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.score-big { font-size: 44px; font-weight: 700; line-height: 1; }
.level-tag { display: inline-block; padding: 3px 12px; border-radius: 20px; color: #fff; font-size: 13px; font-weight: 600; }
.gauge-box { flex: 1; min-width: 220px; height: 220px; }
.report-summary { margin-top: 12px; color: var(--text-secondary); }
.highlights { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.highlights .tag { background: var(--primary-light); color: var(--primary); border-radius: 6px; padding: 4px 10px; font-size: 13px; }

/* 维度区块 */
.dim-card { border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-top: 16px; background: var(--card-bg); }
.dim-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.dim-score { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 15px; flex-shrink: 0; }
.dim-title { font-size: 17px; font-weight: 600; }
.dim-summary { color: var(--text-secondary); }
.dim-body { margin-top: 14px; }
.chart-box { width: 100%; height: 260px; margin-top: 12px; }
.chart-box.small { height: 200px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 10px; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #f7f8fa; font-weight: 600; }

/* 状态标签 */
.status { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.status.consistent, .status.positive, .status.done { background: #e8f8ee; color: var(--good); }
.status.inconsistent, .status.negative { background: #ffecEC; color: var(--bad); }
.status.neutral, .status.pending { background: #fff7e6; color: #d48806; }
.status.skipped, .status.none { background: #f2f3f5; color: var(--text-secondary); }

/* 建议 */
.advice-list { margin-top: 10px; }
.advice-item { border-left: 3px solid var(--primary); background: #fafbfc; padding: 12px 16px; border-radius: 0 8px 8px 0; margin-top: 10px; }
.advice-item .item { font-weight: 600; }
.advice-item .problem { color: var(--bad); font-size: 13px; margin-top: 2px; }
.advice-item .suggestion { color: var(--text-secondary); font-size: 13px; margin-top: 2px; }

/* 导出 */
.export-bar { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* 响应式 */
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .report-header { flex-direction: column; align-items: flex-start; }
  .gauge-box { width: 100%; }
}

.hidden { display: none; }
.error-box { background: #ffefef; color: var(--bad); border: 1px solid #ffd4d4; border-radius: 8px; padding: 10px 14px; margin-top: 12px; }
.info-text { color: var(--text-secondary); font-size: 13px; }

/* 历史分析案例区 */
.cases-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; margin-top: 14px; }
.case-card { position: relative; display: block; background: #fff; border: 1px solid var(--border, #e5e9ee); border-radius: 12px; padding: 14px 16px; transition: box-shadow .15s, transform .15s; cursor: pointer; }
.case-card:hover { box-shadow: 0 4px 16px rgba(31, 35, 41, .08); transform: translateY(-2px); }
.case-main { display: block; text-decoration: none; color: inherit; }
.case-del { position: absolute; top: 10px; right: 10px; width: 22px; height: 22px; line-height: 20px; border: none; border-radius: 50%; background: #f2f4f7; color: #646a73; font-size: 12px; cursor: pointer; opacity: .65; }
.case-del:hover { background: #ffefef; color: #f53f3f; opacity: 1; }
.row-del { position: static; display: inline-block; width: 22px; height: 22px; line-height: 20px; margin-left: 8px; border: none; border-radius: 50%; background: #f2f4f7; color: #646a73; font-size: 12px; cursor: pointer; opacity: .65; vertical-align: middle; }
.row-del:hover { background: #ffefef; color: #f53f3f; opacity: 1; }
.case-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-right: 18px; }
.case-brand { font-size: 17px; font-weight: 700; color: #1f2329; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.case-badge { flex-shrink: 0; font-size: 12px; font-weight: 700; color: #fff; border-radius: 6px; padding: 3px 8px; }
.case-company { margin-top: 4px; font-size: 13px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.case-tags { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.case-tag { font-size: 12px; color: var(--text-secondary); background: #f2f4f7; border-radius: 4px; padding: 2px 8px; }
.case-foot { margin-top: 12px; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-secondary); border-top: 1px solid #eef1f4; padding-top: 10px; }
.case-score { font-size: 18px; font-weight: 800; }