:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --text: #1f2937;
  --text-soft: #6b7280;
  --border: #e5e7eb;
  --bg: #f3f4f6;
  --card: #ffffff;
  --success: #16a34a;
  --danger: #dc2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 14px rgba(0,0,0,.05);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff;
  padding: 42px 20px 56px;
  text-align: center;
}
.hero h1 { margin: 0 0 8px; font-size: clamp(22px, 4vw, 30px); letter-spacing: .5px; }
.hero p { margin: 0; opacity: .85; font-size: 15px; }

.container { max-width: 760px; margin: -28px auto 48px; padding: 0 16px; }

#progress-wrap {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 18px;
  margin-bottom: 16px;
  position: sticky;
  top: 10px;
  z-index: 20;
}
.progress-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-soft); margin-bottom: 8px; }
.progress-pct { font-weight: 600; color: var(--primary); }
.progress-track { height: 8px; background: #e5e7eb; border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, #3b82f6, #2563eb); border-radius: 99px; transition: width .35s ease; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 16px;
}
.section-title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
  padding-left: 10px;
}
.req-hint { font-size: 12px; color: var(--text-soft); font-weight: 400; }
.intro-box p { margin: 6px 0; font-size: 14px; color: var(--text-soft); }
.privacy-note { font-size: 13px; color: var(--success); margin-top: 10px; }

.field { margin: 18px 0; }
.field:first-of-type { margin-top: 14px; }
.field-label { display: block; font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.field-label .required-mark { color: var(--danger); margin-left: 4px; }
.field-label .optional-tag { color: var(--text-soft); font-weight: 400; font-size: 12px; margin-left: 6px; }

input[type="text"], textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fafafa;
  transition: border-color .2s, box-shadow .2s;
}
input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
  background: #fff;
}
textarea { min-height: 88px; resize: vertical; }

.options { display: flex; flex-direction: column; gap: 8px; }
.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  user-select: none;
}
.option:hover { border-color: #93c5fd; background: #f8fafc; }
.option.selected { border-color: var(--primary); background: var(--primary-light); }
.option input { margin-top: 4px; accent-color: var(--primary); flex-shrink: 0; }
.option label { font-size: 14px; cursor: pointer; flex: 1; }
.option input:focus-visible + label { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
.option .other-input { margin-top: 8px; }

.field.invalid .option { border-color: #fca5a5; }
.error-msg {
  display: none;
  color: var(--danger);
  font-size: 12.5px;
  margin-top: 6px;
}
.field.invalid .error-msg { display: block; }

.submit-card { text-align: center; }
.unfinished-note {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin: 0 0 14px;
}
.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px 46px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, box-shadow .2s, opacity .2s;
  box-shadow: 0 4px 12px rgba(37, 99, 235, .35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37, 99, 235, .4); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.submit-tip { color: var(--text-soft); font-size: 12px; margin-top: 12px; }

.success-card { text-align: center; padding: 48px 24px; }
.success-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #dcfce7;
  color: var(--success);
  font-size: 32px;
  line-height: 64px;
  font-weight: 700;
}
.success-card h2 { margin: 0 0 8px; font-size: 20px; }
.success-card p { color: var(--text-soft); font-size: 14px; margin: 0; }

.footer { text-align: center; color: var(--text-soft); font-size: 12.5px; padding: 0 16px 32px; }
.footer p { margin: 0; }

/* Admin */
.admin-hero { background: linear-gradient(135deg, #111827, #1f2937); }
.admin-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.admin-toolbar .btn { padding: 9px 18px; border-radius: 8px; font-size: 14px; border: 1px solid var(--border); background: #fff; cursor: pointer; }
.admin-toolbar .btn:hover { border-color: var(--primary); color: var(--primary); }
.admin-toolbar .btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat-item { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; text-align: center; }
.stat-item .num { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-item .label { font-size: 12.5px; color: var(--text-soft); }

.q-block { margin-bottom: 18px; }
.q-block h4 { margin: 0 0 8px; font-size: 14px; }
.bar-row { display: flex; align-items: center; gap: 10px; margin: 5px 0; }
.bar-label { flex: 0 0 190px; font-size: 12.5px; color: var(--text-soft); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; height: 18px; background: #f1f5f9; border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, #60a5fa, #2563eb); border-radius: 4px; min-width: 2px; }
.bar-count { flex: 0 0 70px; font-size: 12.5px; color: var(--text-soft); }
@media (max-width: 560px) {
  .bar-label { flex-basis: 120px; }
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #f8fafc; color: var(--text-soft); font-weight: 600; white-space: nowrap; position: sticky; top: 0; }

.login-box { max-width: 380px; margin: 60px auto; }
.login-box .btn-primary { width: 100%; margin-top: 12px; }
.login-err { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #111827; color: #fff; padding: 10px 20px; border-radius: 8px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 99;
}
.toast.show { opacity: 1; }

/* 反机器人蜜罐字段（对用户不可见） */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; overflow: hidden; }

/* 筛选与分公司统计 */
.filter-summary { font-size: 13px; color: var(--text-soft); margin: 4px 0 12px; }
.filter-group { display: flex; flex-direction: column; gap: 10px; }
.filter-label { font-size: 12.5px; color: var(--text-soft); margin-top: 4px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 99px;
  padding: 5px 13px;
  font-size: 12.5px;
  cursor: pointer;
  color: var(--text);
  transition: all .15s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip-none { font-size: 12.5px; color: #9ca3af; }