/* ============================================
   HydrationCalc.net — Unified Style System
   Prefix: hydr-
   Layouts: Home-G, Tools-H, Blog-D, Post-F, Tool-H, About-A, Contact-C, FAQ-D
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --hydr-primary: #0ea5e9;
  --hydr-primary-dark: #0284c7;
  --hydr-accent: #f59e0b;
  --hydr-bg: #ffffff;
  --hydr-surface: #f8fafc;
  --hydr-surface-2: #f1f5f9;
  --hydr-text: #0f172a;
  --hydr-text-secondary: #475569;
  --hydr-text-muted: #94a3b8;
  --hydr-border: #e2e8f0;
  --hydr-border-light: #f1f5f9;
  --hydr-success: #10b981;
  --hydr-warning: #f59e0b;
  --hydr-danger: #ef4444;
  --hydr-radius: 12px;
  --hydr-radius-sm: 8px;
  --hydr-shadow: 0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.06);
  --hydr-shadow-lg: 0 10px 25px rgba(15,23,42,0.1), 0 4px 10px rgba(15,23,42,0.08);
  --hydr-max-width: 1200px;
  --hydr-font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  --hydr-font-mono: 'SF Mono', Monaco, Consolas, monospace;
  --hydr-transition: all 0.2s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; padding: 0;
  font-family: var(--hydr-font);
  color: var(--hydr-text);
  background: var(--hydr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--hydr-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Container ---- */
.hydr-container {
  width: 100%; max-width: var(--hydr-max-width);
  margin: 0 auto; padding: 0 24px;
}

/* ---- Navigation ---- */
.hydr-nav {
  background: var(--hydr-bg);
  border-bottom: 1px solid var(--hydr-border);
  position: sticky; top: 0; z-index: 1000;
}
.hydr-nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.hydr-logo {
  font-size: 1.25rem; font-weight: 800; color: var(--hydr-primary);
  letter-spacing: -0.5px;
}
.hydr-logo span { color: var(--hydr-accent); }
.hydr-nav-links {
  display: flex; gap: 32px; align-items: center;
}
.hydr-nav-links a {
  font-size: 0.95rem; font-weight: 500; color: var(--hydr-text-secondary);
  transition: var(--hydr-transition);
}
.hydr-nav-links a:hover { color: var(--hydr-primary); text-decoration: none; }
.hydr-nav-toggle {
  display: none; background: none; border: none;
  font-size: 1.5rem; cursor: pointer; color: var(--hydr-text);
}

/* ---- Mobile Nav ---- */
@media (max-width: 768px) {
  .hydr-nav-toggle { display: block; }
  .hydr-nav-links {
    display: none !important;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--hydr-bg); border-bottom: 1px solid var(--hydr-border);
    flex-direction: column !important; gap: 0 !important;
    padding: 8px 0; box-shadow: var(--hydr-shadow-lg);
  }
  .hydr-nav-links.active {
    display: flex !important;
  }
  .hydr-nav-links a {
    display: block; padding: 12px 24px;
    border-bottom: 1px solid var(--hydr-border-light);
    width: 100%;
  }
  .hydr-nav-links a:last-child { border-bottom: none; }
}

/* ---- Ad Slots ---- */
.hydr-ad-slot {
  display: none;
  width: 100%; margin: 24px 0;
}
.hydr-ad-slot.has-content {
  display: flex;
  align-items: center; justify-content: center;
}

/* ---- Buttons ---- */
.hydr-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--hydr-radius-sm);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: var(--hydr-transition);
  background: var(--hydr-primary); color: #fff;
}
.hydr-btn:hover { background: var(--hydr-primary-dark); text-decoration: none; }
.hydr-btn-secondary {
  background: var(--hydr-surface-2); color: var(--hydr-text);
  border: 1px solid var(--hydr-border);
}
.hydr-btn-secondary:hover { background: var(--hydr-border-light); }

/* ---- Cards (Whole Card Clickable) ---- */
a.hydr-article-card, a.hydr-tool-card {
  display: block; text-decoration: none; color: inherit; cursor: pointer;
  background: var(--hydr-bg); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); overflow: hidden;
  transition: var(--hydr-transition); box-shadow: var(--hydr-shadow);
}
a.hydr-article-card:hover, a.hydr-tool-card:hover {
  transform: translateY(-2px); box-shadow: var(--hydr-shadow-lg);
  text-decoration: none;
}
a.hydr-article-card img, a.hydr-tool-card img,
a.hydr-article-card p, a.hydr-tool-card p,
a.hydr-article-card span, a.hydr-tool-card span,
a.hydr-article-card h3, a.hydr-tool-card h3,
a.hydr-article-card h4, a.hydr-tool-card h4,
a.hydr-article-card div, a.hydr-tool-card div {
  pointer-events: none;
}

/* ---- Article Card Internals ---- */
.hydr-article-card-img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  background: var(--hydr-surface-2);
}
.hydr-article-card-body { padding: 20px; }
.hydr-article-card-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--hydr-primary); background: #e0f2fe;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 10px;
}
.hydr-article-card-title {
  font-size: 1.1rem; font-weight: 700; line-height: 1.35;
  margin: 0 0 8px; color: var(--hydr-text);
}
.hydr-article-card-excerpt {
  font-size: 0.9rem; color: var(--hydr-text-secondary);
  line-height: 1.5; margin: 0;
}
.hydr-article-card-meta {
  display: flex; align-items: center; gap: 12px;
  margin-top: 14px; font-size: 0.8rem; color: var(--hydr-text-muted);
}

/* ---- Tool Card Internals ---- */
.hydr-tool-card {
  display: flex; flex-direction: column;
  background: var(--hydr-bg); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); overflow: hidden;
  transition: var(--hydr-transition); box-shadow: var(--hydr-shadow);
}
.hydr-tool-card:hover {
  transform: translateY(-2px); box-shadow: var(--hydr-shadow-lg);
}
.hydr-tool-card-icon {
  width: 56px; height: 56px; border-radius: var(--hydr-radius-sm);
  background: linear-gradient(135deg, var(--hydr-primary) 0%, var(--hydr-primary-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff; flex-shrink: 0;
}
.hydr-tool-card-body { padding: 24px; flex: 1; }
.hydr-tool-card-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; }
.hydr-tool-card-desc { font-size: 0.9rem; color: var(--hydr-text-secondary); margin: 0 0 16px; }
.hydr-tool-card-footer { padding: 0 24px 24px; }

/* ---- Inline Tool Cards (Article Body) ---- */
a.hydr-inline-tool {
  display: flex; gap: 16px; align-items: flex-start;
  text-decoration: none; color: inherit; cursor: pointer;
  background: var(--hydr-surface); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius-sm); padding: 16px 20px;
  margin: 20px 0; transition: var(--hydr-transition);
}
a.hydr-inline-tool:hover {
  border-color: var(--hydr-primary); background: #f0f9ff;
  text-decoration: none;
}
a.hydr-inline-tool > div { pointer-events: none; }
.hydr-inline-tool-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--hydr-primary) 0%, var(--hydr-primary-dark) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: #fff; flex-shrink: 0;
}
.hydr-inline-tool-content { flex: 1; }
.hydr-inline-tool-title { font-weight: 700; font-size: 1rem; margin: 0 0 4px; }
.hydr-inline-tool-desc { font-size: 0.85rem; color: var(--hydr-text-secondary); margin: 0 0 6px; }
.hydr-inline-tool-privacy { font-size: 0.75rem; color: var(--hydr-text-muted); }

/* ---- Breadcrumbs ---- */
.hydr-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--hydr-text-muted);
  margin: 20px 0;
}
.hydr-breadcrumb a { color: var(--hydr-text-secondary); }
.hydr-breadcrumb a:hover { color: var(--hydr-primary); }
.hydr-breadcrumb-sep { color: var(--hydr-text-muted); }

/* ---- Article Content ---- */
.hydr-article-content {
  padding: 0 8px;
}
.hydr-article-content h2 {
  font-size: 1.6rem; font-weight: 700; margin: 40px 0 16px;
  color: var(--hydr-text); line-height: 1.3;
}
.hydr-article-content h3 {
  font-size: 1.25rem; font-weight: 700; margin: 28px 0 12px;
  color: var(--hydr-text);
}
.hydr-article-content p {
  font-size: 1.05rem; line-height: 1.75; margin: 0 0 18px;
  color: var(--hydr-text);
}
.hydr-article-content ul, .hydr-article-content ol {
  margin: 0 0 18px; padding-left: 24px;
}
.hydr-article-content li { margin-bottom: 8px; font-size: 1.02rem; }
.hydr-article-content strong { color: var(--hydr-text); }
.hydr-article-content blockquote {
  margin: 24px 0; padding: 16px 24px;
  border-left: 4px solid var(--hydr-primary);
  background: var(--hydr-surface); border-radius: 0 var(--hydr-radius-sm) var(--hydr-radius-sm) 0;
  font-style: italic; color: var(--hydr-text-secondary);
}
.hydr-article-content img {
  border-radius: var(--hydr-radius-sm); margin: 24px 0;
  box-shadow: var(--hydr-shadow);
}

/* ---- Author Box ---- */
.hydr-author-box {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--hydr-surface); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); padding: 24px; margin: 40px 0;
}
.hydr-author-box-img {
  width: 80px; height: 80px; border-radius: 50%; object-fit: cover;
  flex-shrink: 0;
}
.hydr-author-box-info { flex: 1; }
.hydr-author-box-name { font-weight: 700; font-size: 1.1rem; margin: 0 0 4px; }
.hydr-author-box-bio { font-size: 0.9rem; color: var(--hydr-text-secondary); margin: 0; }

/* ---- Post Tail Layout (Two Column) ---- */
.hydr-post-tail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px; margin-top: 48px; padding-top: 32px;
  border-top: 2px solid var(--hydr-border);
}
@media (min-width: 769px) and (max-width: 1024px) {
  .hydr-post-tail { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hydr-post-tail { grid-template-columns: 1fr; }
}
.hydr-post-tail h3 {
  font-size: 1.1rem; font-weight: 700; margin: 0 0 16px;
  color: var(--hydr-text);
}
.hydr-tail-card {
  display: block; background: var(--hydr-bg); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius-sm); padding: 16px; margin-bottom: 12px;
  text-decoration: none; color: inherit; transition: var(--hydr-transition);
}
.hydr-tail-card:hover { border-color: var(--hydr-primary); text-decoration: none; }
.hydr-tail-card-title { font-weight: 600; font-size: 0.95rem; margin: 0 0 4px; }
.hydr-tail-card-desc { font-size: 0.8rem; color: var(--hydr-text-secondary); margin: 0; }

/* ---- Tool Page Specifics (Interactive Experiment Layout) ---- */
.hydr-tool-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-bottom: 1px solid var(--hydr-border); padding: 48px 0 32px;
}
.hydr-tool-hero h1 { font-size: 2rem; font-weight: 800; margin: 0 0 12px; }
.hydr-tool-hero p { font-size: 1.1rem; color: var(--hydr-text-secondary); margin: 0; max-width: 640px; }
.hydr-tool-panel {
  background: var(--hydr-bg); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); padding: 32px; margin: 24px 0;
  box-shadow: var(--hydr-shadow);
}
.hydr-tool-input {
  width: 100%; padding: 12px 16px; border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius-sm); font-size: 1rem; font-family: inherit;
  background: var(--hydr-bg); color: var(--hydr-text);
  transition: var(--hydr-transition);
}
.hydr-tool-input:focus {
  outline: none; border-color: var(--hydr-primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}
label.hydr-tool-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 6px; color: var(--hydr-text-secondary);
}
.hydr-tool-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px; margin: 20px 0;
}
.hydr-tool-result {
  background: var(--hydr-surface); border-radius: var(--hydr-radius-sm);
  padding: 20px; text-align: center;
}
.hydr-tool-result-value {
  font-size: 2rem; font-weight: 800; color: var(--hydr-primary);
}
.hydr-tool-result-label { font-size: 0.85rem; color: var(--hydr-text-secondary); margin-top: 4px; }

/* ---- Chart Container ---- */
.hydr-chart-wrap {
  position: relative; width: 100%; height: 320px; margin: 24px 0;
  background: var(--hydr-surface); border-radius: var(--hydr-radius-sm);
  border: 1px solid var(--hydr-border); overflow: hidden;
}

/* ---- Tables ---- */
.hydr-table {
  width: 100%; border-collapse: collapse; margin: 20px 0;
  font-size: 0.9rem;
}
.hydr-table th, .hydr-table td {
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--hydr-border);
}
.hydr-table th {
  font-weight: 700; color: var(--hydr-text-secondary); background: var(--hydr-surface);
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.hydr-table tr:hover { background: var(--hydr-surface); }

/* ---- Footer ---- */
.hydr-footer {
  background: var(--hydr-surface); border-top: 1px solid var(--hydr-border);
  padding: 40px 0 24px; margin-top: 60px;
}
.hydr-footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px; margin-bottom: 32px;
}
.hydr-footer h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin: 0 0 16px; }
.hydr-footer ul { list-style: none; padding: 0; margin: 0; }
.hydr-footer li { margin-bottom: 10px; }
.hydr-footer a { font-size: 0.9rem; color: var(--hydr-text-secondary); }
.hydr-footer a:hover { color: var(--hydr-primary); }
.hydr-footer-bottom {
  border-top: 1px solid var(--hydr-border); padding-top: 20px;
  text-align: center; font-size: 0.8rem; color: var(--hydr-text-muted);
}

/* ---- Utility ---- */
.hydr-text-center { text-align: center; }
.hydr-mt-0 { margin-top: 0; }
.hydr-mb-0 { margin-bottom: 0; }
.hydr-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---- Layout G: Resource Library (Home) ---- */
.hydr-home-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
  padding: 64px 0 48px; border-bottom: 1px solid var(--hydr-border);
}
.hydr-home-hero h1 { font-size: 2.4rem; font-weight: 800; margin: 0 0 16px; letter-spacing: -0.5px; }
.hydr-home-hero p { font-size: 1.15rem; color: var(--hydr-text-secondary); max-width: 600px; margin: 0 0 24px; }
.hydr-resource-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px; margin: 40px 0;
}
.hydr-resource-card {
  background: var(--hydr-bg); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); padding: 28px;
  transition: var(--hydr-transition); box-shadow: var(--hydr-shadow);
}
.hydr-resource-card:hover { transform: translateY(-2px); box-shadow: var(--hydr-shadow-lg); }
.hydr-resource-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.hydr-resource-card p { font-size: 0.9rem; color: var(--hydr-text-secondary); margin: 0 0 16px; }
.hydr-resource-card a { font-size: 0.9rem; font-weight: 600; }

/* ---- Layout H: Interactive Experiment (Tools Home & Tool Detail) ---- */
.hydr-exp-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff; padding: 56px 0 40px;
}
.hydr-exp-hero h1 { font-size: 2rem; font-weight: 800; margin: 0 0 12px; color: #fff; }
.hydr-exp-hero p { font-size: 1.05rem; color: #cbd5e1; max-width: 600px; margin: 0; }
.hydr-exp-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px; margin: 40px 0;
}

/* ---- Layout D: Minimal Cards (Blog Home, Contact, FAQ) ---- */
.hydr-minimal-hero {
  padding: 48px 0 32px; text-align: center;
  border-bottom: 1px solid var(--hydr-border);
}
.hydr-minimal-hero h1 { font-size: 2rem; font-weight: 800; margin: 0 0 12px; }
.hydr-minimal-hero p { font-size: 1.05rem; color: var(--hydr-text-secondary); max-width: 560px; margin: 0 auto; }
.hydr-minimal-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; margin: 32px 0;
}

/* ---- Layout F: Comparison Review (Post) ---- */
.hydr-review-header {
  padding: 40px 0 24px; border-bottom: 1px solid var(--hydr-border);
}
.hydr-review-header h1 { font-size: 2.2rem; font-weight: 800; margin: 0 0 12px; line-height: 1.2; }
.hydr-review-header-meta {
  display: flex; gap: 16px; align-items: center;
  font-size: 0.85rem; color: var(--hydr-text-muted);
}
.hydr-review-layout {
  display: grid; grid-template-columns: 1fr 320px;
  gap: 40px; margin: 32px auto;
}
@media (max-width: 1024px) {
  .hydr-review-layout { grid-template-columns: 1fr; }
}
.hydr-review-sidebar {
  position: sticky; top: 88px; height: fit-content;
}
.hydr-review-sidebar-box {
  background: var(--hydr-surface); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); padding: 20px; margin-bottom: 20px;
}
.hydr-review-sidebar-box h4 { font-size: 0.9rem; font-weight: 700; margin: 0 0 12px; }

/* ---- Layout A: Community Plaza (About) ---- */
.hydr-plaza-hero {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  padding: 56px 0 40px; text-align: center; border-bottom: 1px solid var(--hydr-border);
}
.hydr-plaza-hero img {
  width: 120px; height: 120px; border-radius: 50%; object-fit: cover;
  margin: 0 auto 16px; border: 4px solid #fff; box-shadow: var(--hydr-shadow-lg);
}
.hydr-plaza-hero h1 { font-size: 1.8rem; font-weight: 800; margin: 0 0 8px; }
.hydr-plaza-hero p { font-size: 1rem; color: var(--hydr-text-secondary); max-width: 560px; margin: 0 auto; }
.hydr-plaza-creds {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  margin-top: 16px;
}
.hydr-plaza-cred {
  background: #fff; border: 1px solid var(--hydr-border);
  padding: 6px 14px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  color: var(--hydr-text-secondary);
}

/* ---- Contact Specifics ---- */
.hydr-contact-box {
  background: var(--hydr-surface); border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius); padding: 32px; margin: 32px 0;
}
.hydr-contact-box p { margin: 0 0 12px; font-size: 1rem; }
.hydr-contact-email {
  font-size: 1.1rem; font-weight: 700; color: var(--hydr-primary);
}
.hydr-contact-disclaimer {
  background: #f8fafc; border: 1px solid var(--hydr-border);
  border-radius: var(--hydr-radius-sm); padding: 20px; margin: 32px 0;
  font-size: 0.9rem; color: var(--hydr-text-secondary);
}

/* ---- FAQ Specifics ---- */
.hydr-faq-item {
  border-bottom: 1px solid var(--hydr-border); padding: 24px 0;
}
.hydr-faq-item h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 10px; cursor: pointer; }
.hydr-faq-item p { margin: 0; font-size: 0.95rem; color: var(--hydr-text-secondary); }

/* ---- 404 Specifics ---- */
.hydr-404 {
  text-align: center; padding: 80px 20px;
}
.hydr-404 h1 { font-size: 4rem; font-weight: 800; color: var(--hydr-primary); margin: 0 0 16px; }
.hydr-404 p { font-size: 1.1rem; color: var(--hydr-text-secondary); margin: 0 0 24px; }

/* ---- Responsive Breakpoints ---- */
@media (max-width: 768px) {
  .hydr-container { padding: 0 16px; }
  .hydr-home-hero h1 { font-size: 1.8rem; }
  .hydr-exp-hero h1 { font-size: 1.6rem; }
  .hydr-review-header h1 { font-size: 1.6rem; }
  .hydr-tool-hero h1 { font-size: 1.5rem; }
  .hydr-tool-grid { grid-template-columns: 1fr; }
  .hydr-resource-grid { grid-template-columns: 1fr; }
  .hydr-exp-grid { grid-template-columns: 1fr; }
  .hydr-minimal-grid { grid-template-columns: 1fr; }
  .hydr-footer-grid { grid-template-columns: 1fr 1fr; }
  .hydr-author-box { flex-direction: column; align-items: center; text-align: center; }
  .hydr-plaza-hero h1 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .hydr-footer-grid { grid-template-columns: 1fr; }
  .hydr-tool-panel { padding: 20px; }
}

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


.hydr-ad-slot.has-content {
  display: flex;
}
.hydr-post-header {
  margin-bottom: 24px;
}
.hydr-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.hydr-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.hydr-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.hydr-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.hydr-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.hydr-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.hydr-post-content p {
  margin-bottom: 1.2em;
}
.hydr-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.hydr-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.hydr-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) {
  .hydr-post-footer {
    grid-template-columns: 1fr;
  }
}
.hydr-related-articles h3,
.hydr-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.hydr-related-list,
.hydr-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hydr-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;
}
.hydr-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.hydr-related-card * {
  pointer-events: none;
}
.hydr-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.hydr-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.hydr-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .hydr-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.hydr-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.hydr-author-info {
  flex: 1;
}
.hydr-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.hydr-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.hydr-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.hydr-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.hydr-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.hydr-author-bio-link:hover {
  text-decoration: underline;
}
.hydr-inline-tool {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  margin: 20px 0;
  background: #f8f9fa;
  border-radius: 10px;
  border: 1px solid #e8eaed;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
}
.hydr-inline-tool:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.hydr-inline-tool * {
  pointer-events: none;
}
.hydr-inline-tool-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #e8f0fe;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.hydr-inline-tool-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #1a73e8;
}
.hydr-inline-tool-desc {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.4;
}
.hydr-inline-tool-privacy {
  font-size: 0.75rem;
  color: #888;
  font-style: italic;
  margin-top: 4px;
}


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


/* ---- Breadcrumb Align Fix ---- */
.hydr-breadcrumb {
  max-width: var(--hydr-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) {
  .hydr-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;
  }
  .hydr-nav-links.active {
    display: flex !important;
  }
  .hydr-nav-links li {
    width: 100%;
    list-style: none;
  }
  .hydr-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .hydr-nav-links a:last-child {
    border-bottom: none;
  }
}


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


/* ===== 广告位标准样式 (由广告位管理系统统一控制) ===== */
.site-ad-slot {
    width: 100%;
    min-height: 250px;
    margin: 24px 0;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
    background: transparent;
}

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

.site-ad-slot iframe,
.site-ad-slot img,
.site-ad-slot ins {
    max-width: 100%;
    height: auto;
    display: block;
}



/* Blog mid ad slot - full width banner */
#blog_mid {
  grid-column: 1 / -1;
  width: 100%;
  height: 250px;
}