/* ============================================
   EQUITYUNLOCK.ORG — Unified CSS System
   Prefix: euk-  |  Layout: Data Dashboard / Story Narrative / Minimal Cards
   ============================================ */

:root {
  --euk-primary: #1a5f7a;
  --euk-secondary: #e8f4f8;
  --euk-accent: #c75b39;
  --euk-dark: #1a2b3c;
  --euk-light: #f8fafb;
  --euk-text: #333333;
  --euk-text-light: #666666;
  --euk-border: #d0dde3;
  --euk-shadow: rgba(26,47,60,0.08);
  --euk-radius: 8px;
  --euk-max-width: 1200px;
  --euk-font-heading: 'Georgia', 'Times New Roman', serif;
  --euk-font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--euk-font-body);
  color: var(--euk-text);
  line-height: 1.6;
  background: var(--euk-light);
}

img { max-width: 100%; height: auto; display: block; }

/* ============================================
   NAVIGATION
   ============================================ */
.euk-nav {
  background: var(--euk-dark);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.euk-nav-inner {
  max-width: var(--euk-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.euk-logo {
  font-family: var(--euk-font-heading);
  font-size: 1.5rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.euk-logo span { color: var(--euk-accent); }

.euk-nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.euk-nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.euk-nav-links a:hover { color: #fff; }

.euk-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   AD SLOTS
   ============================================ */
.euk-ad-slot {
  display: flex;
  width: 100%;
  height: 250px;
  background: var(--euk-secondary);
  border: 2px dashed var(--euk-border);
  border-radius: var(--euk-radius);
  align-items: center;
  justify-content: center;
  color: var(--euk-text-light);
  font-size: 0.9rem;
  margin: 24px 0;
}

.euk-ad-slot.has-content { display: flex; }

/* ============================================
   HERO / HEADER
   ============================================ */
.euk-hero {
  background: linear-gradient(135deg, var(--euk-primary) 0%, #2a7d9a 100%);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.euk-hero h1 {
  font-family: var(--euk-font-heading);
  font-size: 2.4rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.euk-hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   CONTAINERS & GRIDS
   ============================================ */
.euk-container {
  max-width: var(--euk-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.euk-section { padding: 48px 0; }

.euk-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.euk-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.euk-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ============================================
   CARDS (整卡片可点击)
   ============================================ */
a.euk-article-card,
a.euk-tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.euk-article-card *,
a.euk-tool-card * { pointer-events: none; }

.euk-card {
  background: #fff;
  border-radius: var(--euk-radius);
  box-shadow: 0 2px 8px var(--euk-shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}

.euk-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--euk-shadow);
}

.euk-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--euk-secondary);
}

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

.euk-card-title {
  font-family: var(--euk-font-heading);
  font-size: 1.15rem;
  color: var(--euk-dark);
  margin-bottom: 8px;
  line-height: 1.3;
}

.euk-card-excerpt {
  font-size: 0.92rem;
  color: var(--euk-text-light);
  line-height: 1.5;
}

.euk-card-meta {
  font-size: 0.8rem;
  color: var(--euk-text-light);
  margin-top: 12px;
  display: flex;
  gap: 12px;
}

/* ============================================
   ARTICLE / BLOG CONTENT
   ============================================ */
.euk-article {
  background: #fff;
  border-radius: var(--euk-radius);
  box-shadow: 0 2px 8px var(--euk-shadow);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.euk-article h1 {
  font-family: var(--euk-font-heading);
  font-size: 2rem;
  color: var(--euk-dark);
  margin-bottom: 12px;
  line-height: 1.25;
}

.euk-article h2 {
  font-family: var(--euk-font-heading);
  font-size: 1.4rem;
  color: var(--euk-primary);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--euk-secondary);
}

.euk-article h3 {
  font-size: 1.15rem;
  color: var(--euk-dark);
  margin: 24px 0 12px;
}

.euk-article p {
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.euk-article ul, .euk-article ol {
  margin: 0 0 16px 24px;
}

.euk-article li { margin-bottom: 8px; }

.euk-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.95rem;
}

.euk-article th, .euk-article td {
  border: 1px solid var(--euk-border);
  padding: 10px 12px;
  text-align: left;
}

.euk-article th {
  background: var(--euk-secondary);
  font-weight: 600;
}

.euk-article blockquote {
  border-left: 4px solid var(--euk-accent);
  background: var(--euk-secondary);
  padding: 16px 20px;
  margin: 20px 0;
  font-style: italic;
  color: var(--euk-text-light);
}

/* ============================================
   INLINE TOOL CARDS (文章内联)
   ============================================ */
a.euk-inline-tool {
  display: flex;
  gap: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--euk-secondary) 100%);
  border: 2px solid var(--euk-primary);
  border-radius: var(--euk-radius);
  padding: 20px;
  margin: 24px 0;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow 0.2s;
}

a.euk-inline-tool:hover {
  box-shadow: 0 4px 16px var(--euk-shadow);
}

a.euk-inline-tool * { pointer-events: none; }

.euk-inline-tool-icon {
  width: 48px;
  height: 48px;
  background: var(--euk-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.euk-inline-tool-content { flex: 1; }

.euk-inline-tool-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--euk-primary);
  margin-bottom: 4px;
}

.euk-inline-tool-desc {
  font-size: 0.92rem;
  color: var(--euk-text-light);
  margin-bottom: 6px;
}

.euk-inline-tool-privacy {
  font-size: 0.8rem;
  color: var(--euk-accent);
  font-weight: 500;
}

/* ============================================
   AUTHOR BOX
   ============================================ */
.euk-author-box {
  display: flex;
  gap: 20px;
  background: var(--euk-secondary);
  border-radius: var(--euk-radius);
  padding: 24px;
  margin: 40px 0 24px;
}

.euk-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.euk-author-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--euk-dark);
}

.euk-author-bio {
  font-size: 0.92rem;
  color: var(--euk-text-light);
  margin-top: 6px;
}

/* ============================================
   TAIL LAYOUT (Related + Recommended)
   ============================================ */
.euk-tail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin-top: 40px;
}

.euk-tail-section-title {
  font-family: var(--euk-font-heading);
  font-size: 1.2rem;
  color: var(--euk-dark);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--euk-secondary);
}

.euk-tail-card {
  background: #fff;
  border-radius: var(--euk-radius);
  box-shadow: 0 2px 8px var(--euk-shadow);
  padding: 16px;
  margin-bottom: 16px;
  transition: transform 0.2s;
}

.euk-tail-card:hover {
  transform: translateY(-2px);
}

.euk-tail-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.euk-tail-card a * { pointer-events: none; }

.euk-tail-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--euk-primary);
  margin-bottom: 4px;
}

.euk-tail-card-desc {
  font-size: 0.85rem;
  color: var(--euk-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.euk-footer {
  background: var(--euk-dark);
  color: rgba(255,255,255,0.7);
  padding: 40px 20px 24px;
  margin-top: 60px;
}

.euk-footer-inner {
  max-width: var(--euk-max-width);
  margin: 0 auto;
}

.euk-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.euk-footer-title {
  color: #fff;
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.euk-footer-links {
  list-style: none;
}

.euk-footer-links li { margin-bottom: 8px; }

.euk-footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.euk-footer-links a:hover { color: #fff; }

.euk-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.euk-breadcrumbs {
  font-size: 0.85rem;
  color: var(--euk-text-light);
  margin: 16px 0;
}

.euk-breadcrumbs a {
  color: var(--euk-primary);
  text-decoration: none;
}

.euk-breadcrumbs a:hover { text-decoration: underline; }

/* ============================================
   UTILITIES
   ============================================ */
.euk-text-center { text-align: center; }
.euk-mt-2 { margin-top: 16px; }
.euk-mb-2 { margin-bottom: 16px; }
.euk-btn {
  display: inline-block;
  background: var(--euk-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--euk-radius);
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}

.euk-btn:hover { background: #144a5e; }

.euk-btn-secondary {
  background: var(--euk-accent);
}

.euk-btn-secondary:hover { background: #a3472a; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .euk-grid-2, .euk-grid-3, .euk-grid-4 { grid-template-columns: 1fr; }
  .euk-tail { grid-template-columns: 1fr; }
  .euk-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .euk-hero h1 { font-size: 1.8rem; }
  .euk-article { padding: 24px; }
}

@media (max-width: 640px) {
  .euk-nav-links {
    display: none !important;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--euk-dark);
    flex-direction: column !important;
    padding: 16px 20px;
    gap: 0 !important;
  }

  .euk-nav-links.active {
    display: flex !important;
  }

  .euk-nav-links li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 12px 0;
  }

  .euk-menu-btn { display: block; }
  .euk-footer-grid { grid-template-columns: 1fr; }
  .euk-author-box { flex-direction: column; align-items: center; text-align: center; }
}

/* 整卡片可点击 - pointer-events */
a.euk-article-card *,
a.euk-tool-card *,
a.euk-inline-tool * {
  pointer-events: none;
}


/* 移动端导航隐藏 */
@media (max-width: 640px) {
  .euk-nav-links {
    display: none !important;
  }
  .euk-nav-links.active {
    display: flex !important;
  }
}


/* 移动端下拉菜单 */
@media (max-width: 640px) {
  .euk-nav-links.active {
    flex-direction: column !important;
  }
}

/* === Post Template V3.0 CSS Injection for euk === */

.euk-ad-slot {
  display: flex;
  width: 100%;
  min-height: 250px;
  margin: 24px 0;
  background: #f5f5f5;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 14px;
}
.euk-ad-slot.has-content {
  display: flex;
}
.euk-post-header {
  margin-bottom: 24px;
}
.euk-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.euk-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.euk-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.euk-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.euk-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.euk-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.euk-post-content p {
  margin-bottom: 1.2em;
}
.euk-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.euk-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.euk-post-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 20px;
}
@media (max-width: 768px) {
  .euk-post-footer {
    grid-template-columns: 1fr;
  }
}
.euk-related-articles h3,
.euk-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.euk-related-list,
.euk-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.euk-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  transition: box-shadow 0.2s, transform 0.2s;
}
.euk-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.euk-related-card * {
  pointer-events: none;
}
.euk-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.euk-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.euk-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .euk-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.euk-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.euk-author-info {
  flex: 1;
}
.euk-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.euk-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.euk-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.euk-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.euk-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.euk-author-bio-link:hover {
  text-decoration: underline;
}


/* ---- Navigation Container Fix ---- */
.euk-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--euk-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Breadcrumb Align Fix ---- */
.euk-breadcrumb {
  max-width: var(--euk-max-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Mobile Menu Active Fix ---- */
@media (max-width: 768px) {
  .euk-nav-links {
    display: none !important;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .euk-nav-links.active {
    display: flex !important;
  }
  .euk-nav-links li {
    width: 100%;
    list-style: none;
  }
  .euk-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .euk-nav-links a:last-child {
    border-bottom: none;
  }
}


/* ---- Hamburger Button Fix ---- */
.euk-nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}
@media (max-width: 768px) {
  .euk-nav-hamburger {
    display: block !important;
  }
}