/* ===== SLawFree Article Page ===== */

.article-page {
  --article-primary: #2563EB;
  --article-primary-hover: #1D4ED8;
  --article-primary-light: #EFF6FF;
  --article-bg: #F8FAFC;
  --article-surface: #FFFFFF;
  --article-border: #E5E7EB;
  --article-text: #1E293B;
  --article-text-muted: #64748B;
  --article-radius: 16px;
  --article-transition: 0.2s ease;

  margin: 0;
  font-family: "Microsoft JhengHei", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--article-bg);
  color: var(--article-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.article-page *,
.article-page *::before,
.article-page *::after {
  box-sizing: border-box;
}

.article-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-container--wide {
  max-width: 1120px;
}

/* Header */
.article-header {
  background: var(--article-surface);
  border-bottom: 1px solid var(--article-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.article-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.article-header__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.article-header__logo-image {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.article-header__nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
}

.article-header__nav a {
  color: var(--article-text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--article-transition);
}

.article-header__nav a:hover {
  color: var(--article-primary);
}

.article-header__nav-link--active {
  color: var(--article-primary) !important;
  font-weight: 600;
}

/* Main */
.article-main {
  flex: 1;
  width: 100%;
  min-width: 0;
  padding: 28px 0 64px;
}

/* Breadcrumb */
.article-breadcrumb {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--article-text-muted);
  line-height: 1.6;
}

.article-breadcrumb ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.article-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-breadcrumb li + li::before {
  content: "/";
  color: var(--article-text-muted);
  font-weight: 400;
}

.article-breadcrumb a {
  color: var(--article-text-muted);
  text-decoration: none;
  transition: color var(--article-transition);
}

.article-breadcrumb a:hover {
  color: var(--article-primary);
}

.article-breadcrumb span[aria-current="page"] {
  color: var(--article-text);
}

/* Category */
.article-category {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--article-primary-light);
  color: var(--article-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  letter-spacing: 0.02em;
}

/* Title & Lead */
.article-title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.35;
}

.article-lead {
  margin: 0 0 24px;
  font-size: 17px;
  color: var(--article-text-muted);
  line-height: 1.8;
}

/* Author Box */
.article-author-box {
  margin: 0 0 28px;
  padding: 18px 20px;
  background: #F8FAFC;
  border: 1px solid #DBEAFE;
  border-radius: 12px;
}

.article-author-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-author-description {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--article-text-muted);
  line-height: 1.75;
}

.article-author-disclaimer {
  margin: 0;
  font-size: 13px;
  font-style: italic;
  color: var(--article-text-muted);
  line-height: 1.65;
}

/* TOC */
.article-toc {
  margin: 0 0 36px;
  padding: 20px 22px;
  background: var(--article-surface);
  border: 1px solid var(--article-border);
  border-radius: var(--article-radius);
}

.article-toc__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--article-text);
}

.article-toc ol {
  margin: 0;
  padding-left: 1.25rem;
}

.article-toc li {
  margin-bottom: 6px;
  font-size: 15px;
  line-height: 1.6;
}

.article-toc li:last-child {
  margin-bottom: 0;
}

.article-toc a {
  color: var(--article-primary);
  text-decoration: none;
  transition: color var(--article-transition);
}

.article-toc a:hover {
  color: var(--article-primary-hover);
  text-decoration: underline;
}

/* Body Content */
.article-content {
  font-size: 16px;
  color: var(--article-text);
}

.article-content h2 {
  margin: 40px 0 14px;
  padding-top: 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
  scroll-margin-top: 80px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin: 24px 0 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.45;
  scroll-margin-top: 80px;
}

.article-content p {
  margin: 0 0 16px;
  line-height: 1.85;
}

.article-content ul,
.article-content ol {
  margin: 0 0 16px;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.article-content li:last-child {
  margin-bottom: 0;
}

.article-content strong {
  font-weight: 700;
  color: var(--article-text);
}

.article-content a {
  color: var(--article-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--article-primary-hover);
}

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

.article-faq__title {
  margin: 0 0 20px;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-faq__item {
  margin-bottom: 20px;
  padding: 18px 20px;
  background: var(--article-surface);
  border: 1px solid var(--article-border);
  border-radius: 12px;
}

.article-faq__item:last-child {
  margin-bottom: 0;
}

.article-faq__question {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.5;
}

.article-faq__answer {
  margin: 0;
  font-size: 15px;
  color: var(--article-text-muted);
  line-height: 1.8;
}

/* Tool Section */
.article-tool-section {
  margin-top: 48px;
  padding: 28px 24px;
  background: var(--article-primary-light);
  border: 1px solid #DBEAFE;
  border-radius: var(--article-radius);
}

.article-tool-section h2 {
  margin: 0 0 14px;
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-tool-section h3 {
  margin: 0 0 14px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-tool-section p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--article-text-muted);
  line-height: 1.8;
}

.article-tool-section ul {
  margin: 0 0 14px;
  padding-left: 1.5rem;
}

.article-tool-section li {
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--article-text-muted);
  line-height: 1.75;
}

.article-tool-section li:last-child {
  margin-bottom: 0;
}

.article-tool-section strong {
  font-weight: 700;
  color: var(--article-text);
}

.article-tool-cta {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #DBEAFE;
  text-align: center;
}

.article-primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  background: var(--article-primary);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 9999px;
  transition: background var(--article-transition), transform var(--article-transition);
}

.article-primary-button:hover {
  background: var(--article-primary-hover);
  transform: translateY(-1px);
}

/* Related Reading */
.article-related-section {
  margin-top: 48px;
}

.article-related-section h2 {
  margin: 0 0 20px;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-related-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 20px 18px 18px;
  background: var(--article-surface);
  border: 1px solid var(--article-border);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  text-decoration: none;
  color: inherit;
  transition: transform var(--article-transition), box-shadow var(--article-transition);
}

.article-related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.article-related-label {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--article-primary-light);
  color: var(--article-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
}

.article-related-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-related-card p {
  flex: 1 1 auto;
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--article-text-muted);
  line-height: 1.75;
}

.article-related-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--article-primary);
  line-height: 1.5;
}

/* Disclaimer */
.article-disclaimer {
  margin-top: 48px;
  padding: 24px 22px;
  background: var(--article-surface);
  border: 1px solid var(--article-border);
  border-radius: 12px;
}

.article-disclaimer h2 {
  margin: 0 0 12px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--article-text);
  line-height: 1.4;
}

.article-disclaimer p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--article-text-muted);
  line-height: 1.8;
}

.article-disclaimer p:last-child {
  margin-bottom: 0;
}

.article-example-box {
  margin: 0 0 16px;
  padding: 22px 24px;
  background: #F8FAFC;
  border: 1px solid #DBEAFE;
  border-radius: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--article-text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.article-example-box p {
  margin: 0 0 10px;
}

.article-example-box p:last-child {
  margin-bottom: 0;
}

.article-example-box__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.2em;
}

.article-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-checklist li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 1.75rem;
  font-size: 15px;
  line-height: 1.75;
  color: var(--article-text-muted);
}

.article-checklist li::before {
  content: "□";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--article-primary);
  font-weight: 700;
}

.article-checklist li:last-child {
  margin-bottom: 0;
}

.article-tool-notice {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 10px;
}

.article-tool-notice p {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--article-text-muted);
}

.article-tool-notice p:last-child {
  margin-bottom: 0;
}

/* Footer */
.article-footer {
  margin-top: auto;
  padding: 36px 0 28px;
  background: var(--article-surface);
  border-top: 1px solid var(--article-border);
}

.article-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.article-footer__brand {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--article-text);
}

.article-footer__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 18px;
  margin-bottom: 16px;
}

.article-footer__nav a {
  color: var(--article-text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--article-transition);
}

.article-footer__nav a:hover {
  color: var(--article-primary);
}

.article-footer__copy {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--article-text-muted);
  line-height: 1.6;
}

.article-footer__copy a {
  color: var(--article-primary);
  text-decoration: none;
}

.article-footer__copy a:hover {
  text-decoration: underline;
}

/* Mobile */
@media (max-width: 900px) {
  .article-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .article-container {
    padding: 0 20px;
  }

  .article-header__inner {
    padding: 12px 20px;
    align-items: flex-start;
  }

  .article-header__logo-image {
    height: 38px;
  }

  .article-header__nav a {
    font-size: 14px;
  }

  .article-main {
    padding: 20px 0 48px;
  }

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

  .article-author-box {
    padding: 16px 16px;
  }

  .article-toc {
    padding: 16px 18px;
  }

  .article-tool-section {
    padding: 22px 18px;
  }

  .article-primary-button {
    display: flex;
    width: 100%;
  }

  .article-related-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .article-disclaimer {
    padding: 20px 18px;
  }
}