/* 索取资料 / 企业需求咨询页 */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background: #f5f7fb;
  color: #1a2433;
  line-height: 1.65;
}
a { color: #ea580c; text-decoration: none; }
.ef-wrap {
  width: min(100% - 40px, 880px);
  margin: 0 auto;
}
.ef-top {
  background: #fff;
  border-bottom: 1px solid rgba(26,36,51,.08);
  position: sticky;
  top: 0;
  z-index: 10;
}
.ef-top-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ef-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #1a2433;
  font-weight: 700;
  letter-spacing: .08em;
}
.ef-logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: block;
}
.ef-back {
  font-size: 13px;
  color: #5a6a80;
  padding: 8px 12px;
  border-radius: 6px;
}
.ef-back:hover { background: rgba(26,36,51,.05); color: #ea580c; }
.ef-main { padding: 48px 0 64px; }
.ef-head { margin-bottom: 28px; }
.ef-eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: #f18541;
}
.ef-head h1 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
}
.ef-lead {
  margin: 0;
  color: #5a6a80;
  font-size: 14px;
  line-height: 1.8;
}
.ef-form {
  background: #fff;
  border: 1px solid rgba(26,36,51,.08);
  border-radius: 16px;
  padding: 28px 28px 32px;
  box-shadow: 0 10px 28px rgba(40,70,120,.05);
}
.ef-block + .ef-block { margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(26,36,51,.08); }
.ef-block h2 {
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 800;
}
.ef-field { margin-bottom: 18px; }
.ef-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #475569;
}
.ef-field label em { color: #ea580c; font-style: normal; }
.ef-cats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.ef-cat {
  margin: 0;
  cursor: pointer;
}
.ef-cat input { position: absolute; opacity: 0; pointer-events: none; }
.ef-cat span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #4a5568;
  background: #f8fafc;
  border: 1px solid rgba(26,36,51,.1);
  border-radius: 10px;
  transition: .2s ease;
}
.ef-cat input:checked + span,
.ef-cat:hover span {
  color: #ea580c;
  border-color: rgba(241,133,65,.45);
  background: #fff7ed;
}
.ef-cat input:checked + span {
  box-shadow: 0 0 0 1px rgba(241,133,65,.25);
}
.ef-field input[type="tel"],
.ef-field textarea {
  width: 100%;
  border: 1px solid rgba(26,36,51,.12);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: #1a2433;
  background: #f8fafc;
  outline: none;
  resize: vertical;
}
.ef-field input:focus,
.ef-field textarea:focus {
  border-color: rgba(241,133,65,.55);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(241,133,65,.12);
}
.ef-count {
  margin: 6px 0 0;
  text-align: right;
  font-size: 12px;
  color: #94a3b8;
}
.ef-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.ef-submit {
  appearance: none;
  border: 0;
  cursor: pointer;
  min-width: 148px;
  padding: 13px 28px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ffb252, #f18541);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(241,133,65,.28);
}
.ef-submit:disabled { opacity: .65; cursor: not-allowed; }
.ef-tip { margin: 0; font-size: 13px; color: #94a3b8; }
.ef-tip.is-ok { color: #059669; }
.ef-tip.is-err { color: #dc2626; }
.ef-foot {
  padding: 20px 0 28px;
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
}
@media (max-width: 800px) {
  .ef-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ef-form { padding: 22px 18px 26px; }
}