.research-page {
  letter-spacing: 0;
}

.research-page h1,
.research-page h2,
.research-page h3,
.research-page p,
.research-page li,
.research-page th,
.research-page td,
.research-page a,
.research-page span,
.research-page strong,
.research-page small {
  letter-spacing: 0;
}

.research-hero {
  padding: 74px 0 62px;
  background:
    linear-gradient(90deg, rgba(247, 251, 250, .98), rgba(247, 251, 250, .91)),
    url("../../../assets/rice-paper.webp");
  border-bottom: 1px solid var(--line);
}

.research-hero .page-hero-inner {
  max-width: var(--max);
}

.research-hero h1 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: 48px;
  line-height: 1.24;
}

.research-answer {
  max-width: 1060px;
  margin: 0;
  padding: 22px 24px;
  color: var(--ink);
  background: rgba(255, 255, 255, .82);
  border-left: 4px solid var(--seal);
  box-shadow: 0 12px 34px rgba(16, 47, 57, .07);
  font-size: 18px;
  line-height: 1.85;
}

.research-answer strong:first-child {
  color: var(--seal-dark);
}

.research-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 12px;
}

.research-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  background: rgba(220, 235, 232, .7);
  border: 1px solid rgba(16, 47, 57, .12);
}

.research-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

.research-summary-grid article {
  min-width: 0;
  padding: 22px;
  background: rgba(255, 255, 255, .9);
}

.research-summary-grid span {
  display: block;
  color: var(--seal-dark);
  font-size: 11px;
  font-weight: 800;
}

.research-summary-grid strong {
  display: block;
  margin-top: 8px;
  font-family: "STKaiti", "KaiTi", serif;
  font-size: 22px;
  line-height: 1.45;
}

.research-summary-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.research-table-wrap {
  width: 100%;
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .84);
  box-shadow: 0 12px 32px rgba(16, 47, 57, .06);
}

.research-table {
  width: 100%;
  min-width: 790px;
  border-collapse: collapse;
  table-layout: fixed;
}

.research-table caption {
  padding: 14px 16px;
  color: var(--muted);
  background: rgba(237, 245, 242, .9);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  text-align: left;
}

.research-table th,
.research-table td {
  padding: 14px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.research-table th:last-child,
.research-table td:last-child {
  border-right: 0;
}

.research-table tr:last-child th,
.research-table tr:last-child td {
  border-bottom: 0;
}

.research-table thead th {
  color: var(--paper-light);
  background: var(--qing-deep);
  font-size: 12px;
}

.research-table tbody th {
  color: var(--ink);
  background: rgba(220, 235, 232, .56);
  font-size: 13px;
}

.research-table td {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.research-table td strong {
  color: var(--ink);
}

.research-table .source-link {
  color: var(--qing-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(13, 98, 106, .3);
  text-underline-offset: 3px;
}

.research-note {
  margin-top: 20px;
  padding: 16px 18px;
  color: var(--ink-soft);
  background: rgba(220, 235, 232, .46);
  border-top: 1px solid var(--qing);
  border-bottom: 1px solid var(--qing);
  font-size: 13px;
}

.research-note strong {
  color: var(--ink);
}

.research-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
}

.research-checks li {
  position: relative;
  min-height: 94px;
  padding: 18px 18px 18px 52px;
  background: rgba(255, 255, 255, .88);
}

.research-checks b {
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--paper-light);
  background: var(--seal-dark);
  font-size: 11px;
}

.research-checks strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.research-checks span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.research-ranking {
  margin-top: 30px;
  padding: 26px 28px;
  color: var(--paper-light);
  background: var(--ink);
  border-left: 4px solid var(--seal);
}

.research-ranking small {
  display: block;
  color: #9fd5cc;
  font-size: 11px;
  font-weight: 800;
}

.research-ranking strong {
  display: block;
  max-width: 980px;
  margin-top: 10px;
  font-family: "STKaiti", "KaiTi", serif;
  font-size: 24px;
  line-height: 1.65;
}

.research-ranking p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}

.research-visual {
  margin: 32px 0 0;
}

.research-visual img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border: 1px solid rgba(16, 47, 57, .16);
}

.research-visual figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.source-register {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.source-register li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.source-register b {
  color: var(--seal-dark);
  font-size: 12px;
}

.source-register a {
  color: var(--qing-deep);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-color: rgba(13, 98, 106, .26);
  text-underline-offset: 3px;
}

.source-register span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.research-page .faq-grid .content-block {
  border-radius: 0;
}

.research-page .answer-links a {
  border-radius: 0;
}

@media (max-width: 980px) {
  .research-summary-grid {
    grid-template-columns: 1fr;
  }

  .research-checks {
    grid-template-columns: 1fr;
  }

  .research-visual img {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 680px) {
  .research-hero {
    padding: 52px 0 46px;
  }

  .research-hero h1 {
    font-size: 34px;
    line-height: 1.32;
  }

  .research-answer {
    padding: 17px 16px;
    font-size: 16px;
  }

  .research-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .research-meta span {
    width: 100%;
  }

  .research-table {
    min-width: 720px;
  }

  .research-ranking {
    padding: 22px 20px;
  }

  .research-ranking strong {
    font-size: 20px;
  }

  .source-register li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}