/* 资料下载详情页 P1 */
.download-detail-page {
  background: #f3f6fa;
  color: #1f2937;
}

.ddp-head {
  padding: 30px 0 24px;
  background: linear-gradient(180deg, #eef4fb 0%, #f3f6fa 100%);
}

.ddp-head-inner,
.ddp-panel,
.ddp-download-card,
.ddp-prevnext {
  border: 1px solid rgba(15, 23, 42, .07);
  background: rgba(255,255,255,.96);
  box-shadow: 0 18px 48px rgba(15,23,42,.06);
}

.ddp-head-inner {
  border-radius: 22px;
  padding: 28px 32px;
}

.ddp-kicker {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(11, 99, 214, .08);
  color: #0b63d6;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
}

.ddp-head h1 {
  margin-top: 14px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.25;
  font-weight: 750;
  color: #17233a;
}

.ddp-breadcrumb {
  margin-top: 12px;
  color: #7b8aa3;
  font-size: 13px;
}

.ddp-main {
  padding: 26px 0 72px;
}

.ddp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.ddp-panel,
.ddp-download-card {
  border-radius: 22px;
}

.ddp-panel {
  padding: 30px 34px 34px;
}

.ddp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(15,23,42,.07);
  color: #7b8aa3;
  font-size: 13px;
}

.ddp-content {
  color: #475569;
  font-size: 16px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.ddp-content img {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
}

.ddp-download-card {
  position: sticky;
  top: 112px;
  padding: 24px;
}

.ddp-download-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: #17233a;
  margin-bottom: 6px;
}

.ddp-download-card > p {
  color: #8a98ad;
  font-size: 13px;
  margin-bottom: 18px;
}

.ddp-file {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 14px 16px;
  border: 1px solid rgba(11,99,214,.14);
  border-radius: 14px;
  background: linear-gradient(180deg, #f8fbff, #f1f6ff);
  color: #0b63d6;
  font-weight: 700;
  text-align: center;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.ddp-file:hover {
  transform: translateY(-2px);
  border-color: rgba(11,99,214,.28);
  box-shadow: 0 12px 24px rgba(11,99,214,.10);
}

.ddp-code {
  margin: 7px 0 0;
  text-align: center;
  font-size: 12px;
  color: #7b8aa3;
}

.ddp-prevnext {
  margin-top: 22px;
  border-radius: 18px;
  padding: 18px 22px;
  display: grid;
  gap: 10px;
}

.ddp-prevnext p {
  color: #7b8aa3;
  line-height: 1.7;
}

.ddp-prevnext a {
  color: #334155;
}

.ddp-prevnext a:hover {
  color: #0b63d6;
}

@media (max-width: 980px) {
  .ddp-grid { grid-template-columns: 1fr; }
  .ddp-download-card { position: static; }
}

@media (max-width: 767px) {
  .ddp-head { padding: 18px 0 14px; }
  .ddp-head-inner { padding: 22px 20px; border-radius: 18px; }
  .ddp-main { padding: 16px 0 46px; }
  .ddp-panel { padding: 22px 18px 26px; border-radius: 18px; }
  .ddp-download-card { padding: 20px 18px; border-radius: 18px; }
  .ddp-content { font-size: 15px; line-height: 1.85; }
}