.knowledge-page {
  background:
    radial-gradient(920px 460px at 16% 8%, rgba(219, 234, 254, .72), transparent 68%),
    radial-gradient(860px 520px at 86% 12%, rgba(226, 232, 240, .64), transparent 66%),
    linear-gradient(180deg, #F8FAFC 0%, #F3F4F6 54%, #fff 100%);
  color: #030712;
}

.knowledge-page .nav:not(.solid):not(.menu-open) .brand-logo img {
  filter: none;
}

.knowledge-page .nav:not(.solid):not(.menu-open) .nav-links a {
  color: #334155;
}

.knowledge-page .nav:not(.solid):not(.menu-open) .nav-links a:hover {
  color: #fff;
}

.knowledge-main {
  padding-top: 112px;
}

.knowledge-hero {
  padding: 76px 0 36px;
}

.knowledge-kicker,
.article-kicker {
  margin: 0;
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .18em;
}

.knowledge-title,
.article-title {
  position: relative;
  display: inline-block;
  max-width: 980px;
  margin: 16px 0 0;
  color: #030712;
  font-size: clamp(40px, 5.3vw, 72px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0;
}

.knowledge-title::after,
.article-title::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: .86em;
  margin-left: .16em;
  transform: translateY(.12em);
  background: #030712;
  animation: knowledge-caret 1s steps(1) infinite;
}

@keyframes knowledge-caret {
  50% { opacity: 0; }
}

.knowledge-lead,
.article-lead {
  max-width: 760px;
  margin: 20px 0 0;
  color: #4B5563;
  font-size: 18px;
  line-height: 1.8;
}

.knowledge-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.knowledge-tag {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(37, 99, 235, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .74);
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.knowledge-tag.active {
  background: var(--blue-600);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 16px 34px -26px rgba(37, 99, 235, .72);
}

.knowledge-list {
  padding: 34px 0 96px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.article-card {
  display: grid;
  grid-template-rows: auto 1fr; /* 2026-09-04: 多餘高度給文字區,圖片維持 16/10,文字齊上 */
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 28px;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 26px 72px -62px rgba(15, 23, 42, .72);
  backdrop-filter: blur(18px);
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, .30);
  box-shadow: 0 30px 80px -58px rgba(37, 99, 235, .82);
}

.article-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  align-self: start;
}

.article-card-body {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 22px;
}

.article-card-body .article-link {
  margin-top: auto;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: #64748B;
  font-size: 13px;
  font-weight: 800;
}

.article-meta .badge {
  color: var(--blue-700);
}

.article-card h2 {
  margin: 0;
  color: #030712;
  font-size: 23px;
  line-height: 1.35;
  letter-spacing: 0;
}

.article-card p {
  margin: 0;
  color: #4B5563;
  font-size: 15px;
  line-height: 1.76;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue-700);
  font-size: 14px;
  font-weight: 900;
}

.article-hero {
  padding: 76px 0 40px;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 56px;
  align-items: start;
  padding-bottom: 96px;
}

.article-cover {
  overflow: hidden;
  margin: 40px 0 0;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 32px;
  background: #E5E7EB;
  box-shadow: 0 30px 80px -60px rgba(15, 23, 42, .8);
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 8.6;
  object-fit: cover;
}

.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.author-avatar {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: #EFF6FF;
  color: var(--blue-700);
  font-weight: 900;
}

.article-author strong {
  display: block;
  color: #111827;
}

.article-author span {
  display: block;
  margin-top: 3px;
  color: #64748B;
  font-size: 14px;
}

.article-body {
  max-width: 820px;
  color: #1F2937;
  font-size: 18px;
  line-height: 1.92;
}

.article-body h2 {
  margin: 46px 0 14px;
  color: #030712;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.32;
  letter-spacing: 0;
}

.article-body h3 {
  margin: 28px 0 10px;
  color: #111827;
  font-size: 22px;
}

.article-body p,
.article-body ul {
  margin: 0 0 18px;
}

.article-body ul {
  padding-left: 1.3em;
}

.article-body li {
  margin-bottom: 10px;
}

.article-callout {
  margin: 34px 0;
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(239, 246, 255, .92), rgba(255, 255, 255, .78));
  color: #1E3A8A;
  font-weight: 800;
}

.article-side {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 16px;
}

.article-side-card {
  padding: 20px;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 24px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(18px);
}

.article-side-card h2 {
  margin: 0 0 12px;
  color: #030712;
  font-size: 16px;
}

.article-side-card a {
  display: block;
  margin-top: 10px;
  color: #475569;
  font-size: 14px;
  line-height: 1.6;
}

.article-side-card a:hover {
  color: var(--blue-700);
}

.article-cta-card {
  overflow: hidden;
  position: relative;
  border-color: rgba(37, 99, 235, .30);
  background:
    radial-gradient(140px 110px at 88% 0%, rgba(255, 255, 255, .28), transparent 70%),
    linear-gradient(145deg, #1D4ED8 0%, #2563EB 48%, #3B82F6 100%);
  color: #fff;
  box-shadow: 0 28px 70px -46px rgba(37, 99, 235, .92);
}

.article-cta-card::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -38px;
  width: 128px;
  height: 128px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
}

.article-cta-kicker {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .92);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.article-side-card.article-cta-card h2 {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  color: #fff;
  font-size: 21px;
  line-height: 1.35;
}

.article-cta-card p {
  position: relative;
  z-index: 1;
  margin: 10px 0 18px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  line-height: 1.72;
}

.article-side-card .article-cta-primary,
.article-side-card .article-cta-secondary {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 14px;
  font-weight: 900;
  text-align: center;
}

.article-side-card .article-cta-primary {
  margin-top: 0;
  background: #fff;
  color: var(--blue-700);
  box-shadow: 0 18px 34px -24px rgba(15, 23, 42, .72);
}

.article-side-card a.article-cta-primary:hover {
  background: #F8FAFC;
  color: var(--blue-700);
  transform: translateY(-1px);
}

.article-side-card .article-cta-secondary {
  min-height: auto;
  margin-top: 12px;
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
}

.article-side-card .article-cta-secondary:hover {
  color: #fff;
}

.article-faq {
  margin-top: 48px;
  padding-top: 8px;
}

.article-faq h2 {
  margin-top: 0;
}

.article-faq details {
  margin-top: 12px;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 18px;
  background: rgba(255, 255, 255, .78);
}

.article-faq summary {
  cursor: pointer;
  padding: 16px 18px;
  color: #030712;
  font-weight: 900;
}

.article-faq details p {
  padding: 0 18px 18px;
  color: #4B5563;
  font-size: 16px;
}

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

  .article-shell {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-side {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .knowledge-main {
    padding-top: 92px;
  }

  .knowledge-hero,
  .article-hero {
    padding: 54px 0 28px;
  }

  .knowledge-lead,
  .article-lead,
  .article-body {
    font-size: 16px;
  }

  .article-grid,
  .article-side {
    grid-template-columns: 1fr;
  }

  .article-card-body {
    padding: 20px;
  }

  .article-cover {
    border-radius: 24px;
  }
}

/* ===== 文章內文:完整內容樣式(表格/引言/清單等,對齊百靈鳥版型) ===== */
.article-body h4 {
  margin: 22px 0 8px;
  color: #111827;
  font-size: 19px;
}

.article-body ol {
  margin: 0 0 18px;
  padding-left: 1.4em;
}

.article-body a {
  color: var(--blue-700);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(37, 99, 235, .35);
}

.article-body a:hover { text-decoration-color: var(--blue-700); }

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 18px;
  margin: 26px 0;
}

.article-body hr {
  margin: 40px 0;
  border: 0;
  border-top: 1px solid rgba(15, 23, 42, .10);
}

.article-body blockquote {
  margin: 30px 0;
  padding: 18px 24px;
  border-left: 4px solid var(--blue-600);
  border-radius: 0 18px 18px 0;
  background: #F5F9FF;
  color: #1E3A8A;
}

.article-body blockquote p { margin: 0; }

.article-body .quotable-conclusion,
.article-body .key-takeaways {
  margin: 34px 0;
  padding: 24px 28px;
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(239, 246, 255, .92), rgba(255, 255, 255, .78));
  color: #1E3A8A;
}

.article-body .key-takeaways h2 {
  margin: 0 0 12px;
  font-size: 20px;
  color: #0F2A5C;
}

.article-body .key-takeaways ul { margin: 0; }

/* 表格:圓角卡片、淺藍表頭、隔行淡藍 */
.article-body .table-scroll {
  margin: 34px 0;
  overflow-x: auto;
  border: 1px solid #E2E8F0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .05);
  -webkit-overflow-scrolling: touch;
}

.article-body table {
  width: 100%;
  min-width: 560px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 16.5px;
  line-height: 1.7;
}

.article-body .table-scroll table { margin: 0; min-width: 100%; }

.article-body thead th {
  padding: 18px 24px;
  background: #E9F1FE;
  color: #0F2A5C;
  font-weight: 800;
  text-align: left;
  white-space: nowrap;
}

.article-body tbody td {
  padding: 18px 24px;
  color: #1F2937;
  border-top: 1px solid #EEF2F7;
  vertical-align: top;
}

.article-body tbody tr:nth-child(even) td { background: #F7FAFF; }

@media (max-width: 720px) {
  .article-body table { font-size: 15px; }
  .article-body thead th, .article-body tbody td { padding: 14px 16px; }
}

.author-avatar { overflow: hidden; border-radius: 50%; padding: 0; background: #EFF6FF; }
.author-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; }

/* 常見問題(FAQ):淡藍卡片手風琴,同站上重點摘要風格 */
.article-body .article-faq { margin: 40px 0 8px; }
.article-body .article-faq h2 { margin-bottom: 6px; }
.article-body .article-faq .faq-sub {
  margin: 0 0 18px;
  color: #64748B;
  font-size: 15px;
}
.article-body .faq-item {
  margin: 0 0 14px;
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(239, 246, 255, .92), rgba(255, 255, 255, .8));
  overflow: hidden;
}
.article-body .faq-item summary {
  padding: 16px 22px;
  cursor: pointer;
  font-weight: 700;
  color: #0F2A5C;
  list-style: none;
  position: relative;
  padding-right: 46px;
}
.article-body .faq-item summary::-webkit-details-marker { display: none; }
.article-body .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--blue-600);
}
.article-body .faq-item[open] summary::after { content: "−"; }
.article-body .faq-item .faq-answer {
  padding: 0 22px 18px;
  color: #334155;
}
.article-body .faq-item .faq-answer p { margin: 0; }

/* AI 來源文章的產製與真人審閱狀態；純經銷商文章不顯示。 */
.article-body .content-disclosure {
  margin: 34px 0 8px;
  padding: 16px 20px;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  background: #F8FAFC;
  color: #64748B;
  font-size: 14px;
  line-height: 1.8;
}
.article-body .content-disclosure p { margin: 0; }
.article-body .content-disclosure a { color: #475569; }

/* 文末作者資訊盒(lyrica15) */
.author-box{display:flex;gap:20px;align-items:flex-start;margin-top:48px;padding:28px;border:1px solid #DCE7FB;border-radius:20px;background:linear-gradient(135deg,#F5F9FF 0%,#EDF3FE 100%);}
.author-box-avatar{flex:0 0 64px;width:64px;height:64px;border-radius:50%;overflow:hidden;display:block;}
.author-box-avatar img{width:100%;height:100%;object-fit:cover;display:block;margin:0;}
.author-box-info h2{margin:0 0 4px;font-size:1.15rem;color:#1D3A6E;}
.author-box-title{margin:0 0 10px;font-size:.85rem;font-weight:600;color:#3B6FD4;}
.author-box-bio{margin:0;font-size:.9rem;line-height:1.8;color:#4A5A75;}
@media (max-width:640px){.author-box{flex-direction:column;padding:20px;}}

/* ===== 行動版內文防裁切(2026-09-02):grid 子項可收縮、長字串斷行 ===== */
.article-shell > * { min-width: 0; }

@media (max-width: 860px) {
  .article-body { overflow-wrap: anywhere; }
  .article-body img,
  .article-body iframe,
  .article-body video { max-width: 100%; }
  .article-body pre { overflow-x: auto; max-width: 100%; }
}