/* ==========================================================================
   Design DNA Stylesheet: qtn9 (go8777bet.com)
   Palette: Light, Mono-Plus-Neutral, Hue 283 (Electric Orchid / Deep Plum)
   Typography: Merriweather (Display) + Open Sans (Body)
   Layout: Magazine-Grid (Asymmetric 12-Column Editorial)
   ========================================================================== */

:root {
  --qtn9-bg: #FCFAFC;
  --qtn9-surface: #FFFFFF;
  --qtn9-surface-muted: #F7F3F8;
  --qtn9-ink: #30163B;
  --qtn9-ink-muted: #5C4768;
  --qtn9-accent: #AD2FDF;
  --qtn9-accent-hover: #9621C4;
  --qtn9-accent2: #EB4314;
  --qtn9-accent2-hover: #D13509;
  --qtn9-on-accent: #FFFFFF;
  --qtn9-border: rgba(48, 22, 59, 0.12);
  --qtn9-border-focus: #AD2FDF;
  --qtn9-shadow: 0 4px 16px rgba(48, 22, 59, 0.07), 0 1px 3px rgba(48, 22, 59, 0.04);
  --qtn9-shadow-hover: 0 8px 24px rgba(48, 22, 59, 0.12), 0 2px 6px rgba(48, 22, 59, 0.06);
  --qtn9-radius: 12px;
  --qtn9-font-head: 'Merriweather', Georgia, serif;
  --qtn9-font-body: 'Open Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --qtn9-max-w: 1240px;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--qtn9-bg);
  color: var(--qtn9-ink);
  font-family: var(--qtn9-font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--qtn9-font-head);
  color: var(--qtn9-ink);
  line-height: 1.28;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  font-weight: 700;
}

h1 { font-size: 2.2rem; margin-top: 0; }
h2 { font-size: 1.65rem; border-bottom: 2px solid var(--qtn9-border); padding-bottom: 0.3em; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p, li {
  font-size: 1rem;
  color: var(--qtn9-ink);
}

a {
  color: var(--qtn9-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover, a:focus {
  color: var(--qtn9-accent2);
  text-decoration-color: var(--qtn9-accent2);
}

/* Header & Clean Navigation */
.qtn9-header {
  background: var(--qtn9-surface);
  border-bottom: 1px solid var(--qtn9-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(48, 22, 59, 0.05);
}

.qtn9-nav-container {
  max-width: var(--qtn9-max-w);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.qtn9-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.qtn9-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(48, 22, 59, 0.12);
}

.qtn9-brand-title {
  font-family: var(--qtn9-font-head);
  font-size: 1.32rem;
  font-weight: 900;
  color: var(--qtn9-ink);
  letter-spacing: -0.4px;
  white-space: nowrap;
}

.qtn9-brand-title span {
  color: var(--qtn9-accent);
}

.qtn9-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px 0;
}

.qtn9-nav::-webkit-scrollbar {
  display: none;
}

.qtn9-nav-link {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--qtn9-ink);
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  transition: all 0.15s ease;
  line-height: 1.2;
}

.qtn9-nav-link:hover {
  color: var(--qtn9-accent);
  background: var(--qtn9-surface-muted);
}

.qtn9-nav-link[aria-current="page"] {
  color: var(--qtn9-accent);
  background: rgba(173, 47, 223, 0.09);
  font-weight: 700;
}

.qtn9-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.qtn9-header-actions .qtn9-btn {
  padding: 7px 15px;
  font-size: 0.88rem;
  white-space: nowrap;
}

/* CTA Buttons */
.qtn9-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.qtn9-btn-primary {
  background: var(--qtn9-accent);
  color: var(--qtn9-on-accent);
  border: 1px solid var(--qtn9-accent);
}

.qtn9-btn-primary:hover {
  background: var(--qtn9-accent-hover);
  color: var(--qtn9-on-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(173, 47, 223, 0.3);
}

.qtn9-btn-accent {
  background: var(--qtn9-accent2);
  color: var(--qtn9-on-accent);
  border: 1px solid var(--qtn9-accent2);
}

.qtn9-btn-accent:hover {
  background: var(--qtn9-accent2-hover);
  color: var(--qtn9-on-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(235, 67, 20, 0.3);
}

.qtn9-btn-outline {
  background: transparent;
  color: var(--qtn9-ink);
  border: 1px solid var(--qtn9-border);
}

.qtn9-btn-outline:hover {
  border-color: var(--qtn9-accent);
  color: var(--qtn9-accent);
}

/* Layout: Magazine Grid */
.qtn9-layout {
  max-width: var(--qtn9-max-w);
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.qtn9-magazine-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
}

.qtn9-col-12 { grid-column: span 12; }
.qtn9-col-8 { grid-column: span 8; }
.qtn9-col-4 { grid-column: span 4; }
.qtn9-col-6 { grid-column: span 6; }

/* Breadcrumbs */
.qtn9-breadcrumbs {
  font-size: 0.85rem;
  color: var(--qtn9-ink-muted);
  margin-bottom: 20px;
}

.qtn9-breadcrumbs a {
  color: var(--qtn9-ink-muted);
  text-decoration: none;
}

.qtn9-breadcrumbs a:hover {
  color: var(--qtn9-accent);
}

.qtn9-breadcrumbs span[aria-current="page"] {
  color: var(--qtn9-ink);
  font-weight: 600;
}

/* Hero Section (Quiz-Wizard-Entry) */
.qtn9-hero {
  background: var(--qtn9-surface);
  border: 1px solid var(--qtn9-border);
  border-radius: var(--qtn9-radius);
  padding: 36px 40px;
  box-shadow: var(--qtn9-shadow);
  margin-bottom: 32px;
}

.qtn9-hero-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--qtn9-accent);
  background: rgba(173, 47, 223, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.qtn9-hero-lead {
  font-size: 1.15rem;
  color: var(--qtn9-ink-muted);
  margin-top: 12px;
  margin-bottom: 24px;
}

/* Quiz Wizard Diagnostic Tabs */
.qtn9-wizard-box {
  background: var(--qtn9-surface-muted);
  border: 1px solid var(--qtn9-border);
  border-radius: 10px;
  padding: 20px;
  margin-top: 24px;
}

.qtn9-wizard-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.qtn9-wizard-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.qtn9-wizard-card {
  background: var(--qtn9-surface);
  border: 1px solid var(--qtn9-border);
  border-radius: 8px;
  padding: 14px;
  text-decoration: none;
  color: var(--qtn9-ink);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.qtn9-wizard-card:hover {
  border-color: var(--qtn9-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(48, 22, 59, 0.08);
}

.qtn9-wizard-card strong {
  font-size: 0.95rem;
  color: var(--qtn9-accent);
  margin-bottom: 4px;
}

.qtn9-wizard-card span {
  font-size: 0.82rem;
  color: var(--qtn9-ink-muted);
}

/* Expert Insight Box */
.qtn9-expert-insight {
  border-left: 4px solid var(--qtn9-accent);
  background: rgba(173, 47, 223, 0.04);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--qtn9-ink);
}

.qtn9-expert-insight strong {
  font-style: normal;
  color: var(--qtn9-accent);
}

/* TL;DR Box */
.qtn9-tldr {
  background: #FDF4F0;
  border: 1px solid rgba(235, 67, 20, 0.2);
  border-left: 4px solid var(--qtn9-accent2);
  border-radius: 0 8px 8px 0;
  padding: 18px 22px;
  margin: 24px 0;
}

.qtn9-tldr-heading {
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.8px;
  color: var(--qtn9-accent2);
  margin-bottom: 6px;
}

/* Direct Answer Capsule (GEO / AEO Snippet Target) */
.qtn9-capsule {
  background: #F8F4FA;
  border: 1px solid rgba(173, 47, 223, 0.25);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 16px 0 20px;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--qtn9-ink);
  line-height: 1.6;
}

.qtn9-capsule::before {
  content: "Direct Answer: ";
  font-weight: 800;
  color: var(--qtn9-accent);
}

/* Cards (Layered Elevation) */
.qtn9-card {
  background: var(--qtn9-surface);
  border: 1px solid var(--qtn9-border);
  border-radius: var(--qtn9-radius);
  box-shadow: var(--qtn9-shadow);
  padding: 24px;
  transition: all 0.2s ease;
  margin-bottom: 24px;
}

.qtn9-card:hover {
  box-shadow: var(--qtn9-shadow-hover);
}

/* Structured Tables */
.qtn9-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border-radius: 8px;
  border: 1px solid var(--qtn9-border);
}

.qtn9-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.qtn9-table th {
  background: var(--qtn9-surface-muted);
  color: var(--qtn9-ink);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--qtn9-border);
}

.qtn9-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--qtn9-border);
  color: var(--qtn9-ink);
}

.qtn9-table tr:nth-child(even) td {
  background: rgba(252, 250, 252, 0.7);
}

.qtn9-table tr:hover td {
  background: rgba(173, 47, 223, 0.04);
}

/* Checklist Steps (01, 02, 03) */
.qtn9-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}

.qtn9-step-card {
  display: flex;
  gap: 16px;
  background: var(--qtn9-surface);
  border: 1px solid var(--qtn9-border);
  border-radius: 8px;
  padding: 16px;
}

.qtn9-step-num {
  font-family: var(--qtn9-font-head);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--qtn9-accent);
  line-height: 1;
  min-width: 36px;
}

.qtn9-step-content strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: var(--qtn9-ink);
}

.qtn9-step-content p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--qtn9-ink-muted);
}

/* Callouts: Pro Tip & Warning */
.qtn9-pro-tip {
  background: #F4FAF5;
  border-left: 4px solid #16A34A;
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.92rem;
}

.qtn9-pro-tip strong {
  color: #16A34A;
}

.qtn9-warning {
  background: #FFF7ED;
  border-left: 4px solid var(--qtn9-accent2);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.92rem;
}

.qtn9-warning strong {
  color: var(--qtn9-accent2);
}

/* PAA FAQ Accordion */
.qtn9-faq-item {
  border: 1px solid var(--qtn9-border);
  border-radius: 8px;
  margin-bottom: 12px;
  background: var(--qtn9-surface);
}

.qtn9-faq-q {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qtn9-faq-q::-webkit-details-marker {
  display: none;
}

.qtn9-faq-q::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--qtn9-accent);
}

details[open] .qtn9-faq-q::after {
  content: "−";
}

.qtn9-faq-a {
  padding: 0 20px 16px;
  color: var(--qtn9-ink-muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

/* Media & Images */
.qtn9-img-banner {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 16px 0 24px;
  display: block;
}

/* Author Box */
.qtn9-author-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--qtn9-surface-muted);
  border: 1px solid var(--qtn9-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 32px 0;
}

.qtn9-author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--qtn9-accent);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  font-family: var(--qtn9-font-head);
}

.qtn9-author-meta strong {
  display: block;
  color: var(--qtn9-ink);
  font-size: 1rem;
}

.qtn9-author-meta span {
  font-size: 0.85rem;
  color: var(--qtn9-ink-muted);
}

/* Sidebar Widget */
.qtn9-widget {
  background: var(--qtn9-surface);
  border: 1px solid var(--qtn9-border);
  border-radius: var(--qtn9-radius);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--qtn9-shadow);
}

.qtn9-widget-title {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--qtn9-border);
  padding-bottom: 8px;
}

.qtn9-widget-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.qtn9-widget-list li {
  margin-bottom: 8px;
}

.qtn9-widget-list a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--qtn9-ink);
  display: flex;
  justify-content: space-between;
}

.qtn9-widget-list a:hover {
  color: var(--qtn9-accent);
}

/* Footer (Minimal One-Row) */
.qtn9-footer {
  background: var(--qtn9-surface);
  border-top: 1px solid var(--qtn9-border);
  padding: 28px 20px;
  margin-top: 60px;
}

.qtn9-footer-inner {
  max-width: var(--qtn9-max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--qtn9-ink-muted);
}

.qtn9-footer-links {
  display: flex;
  gap: 18px;
}

.qtn9-footer-links a {
  color: var(--qtn9-ink-muted);
  text-decoration: none;
}

.qtn9-footer-links a:hover {
  color: var(--qtn9-accent);
}

.qtn9-badge-18 {
  display: inline-block;
  background: var(--qtn9-accent2);
  color: #FFF;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-right: 6px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .qtn9-col-8, .qtn9-col-4, .qtn9-col-6 {
    grid-column: span 12;
  }
  .qtn9-wizard-options {
    grid-template-columns: 1fr;
  }
  .qtn9-nav-container {
    flex-wrap: wrap;
    padding: 8px 16px;
    gap: 8px;
  }
  .qtn9-brand {
    order: 1;
  }
  .qtn9-header-actions {
    order: 2;
  }
  .qtn9-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
}