/* ==========================================================================
   SSRDOG (ssrdog.work) - Layer 1.5: Creator Studio Conversion UI
   Color System:
   - Background: #F7F6F2
   - Primary:    #202124
   - Secondary:  #777A83
   - Accent:     #7257E8
   - Highlight:  #D9F36A
   - Surface:    #FFFFFF
   Architecture: BEM Naming · Mobile-First · Pure System Font Stack
   ========================================================================== */

:root {
  --bg-page: #F7F6F2;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EFECE6;
  --text-main: #202124;
  --text-secondary: #777A83;
  --text-muted: #4E5159;
  --border-line: #DCD9D0;
  --border-strong: #202124;
  --accent-main: #7257E8;
  --accent-hover: #5A3FD6;
  --accent-soft: #D9F36A;
  --accent-tint: #F1EEFD;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-width: 1180px;
  --header-height: 68px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-page);
  color: var(--text-main);
}

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

a {
  color: var(--accent-main);
  text-decoration: none;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent-main);
  outline-offset: 2px;
}

ul,
ol {
  list-style-position: inside;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  padding: 10px 18px;
  background-color: var(--text-main);
  color: var(--accent-soft);
  font-weight: 700;
  border-radius: 6px;
}

.skip-link:focus {
  top: 12px;
}

/* Layout Container */
.layout-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .layout-container {
    padding: 0 28px;
  }
}

/* ==========================================================================
   Header & Navigation (Creator Studio Bar)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(247, 246, 242, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-line);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  min-height: 44px;
}

.site-header__logo:hover {
  color: var(--accent-main);
}

.site-header__logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.site-header__menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 14px;
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
}

.site-header__nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border-bottom: 1.5px solid var(--text-main);
  padding: 12px 16px 20px;
}

.site-header__nav--open {
  display: block;
}

.site-header__nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-header__nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 6px;
}

.site-header__nav-link:hover {
  background-color: var(--bg-subtle);
  color: var(--accent-main);
}

.site-header__nav-link--active {
  color: var(--text-main);
  font-weight: 800;
  background-color: var(--accent-soft);
}

@media (min-width: 768px) {
  .site-header__menu-btn {
    display: none;
  }

  .site-header__nav {
    display: block;
    position: static;
    background: transparent;
    border-bottom: none;
    padding: 0;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
}

/* ==========================================================================
   Buttons (Confident Studio Color Transitions, >= 44px Touch Target)
   ========================================================================== */
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 26px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn-action--primary {
  background-color: var(--accent-main);
  color: var(--bg-surface);
  border-color: var(--text-main);
  box-shadow: 3px 3px 0 var(--text-main);
}

.btn-action--primary:hover {
  background-color: var(--text-main);
  color: var(--accent-soft);
  border-color: var(--text-main);
}

.btn-action--secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--text-main);
}

.btn-action--secondary:hover {
  background-color: var(--accent-soft);
  color: var(--text-main);
  border-color: var(--text-main);
}

.btn-action--full {
  width: 100%;
}

/* ==========================================================================
   Section Scaffolding & Expressive Studio Typography
   ========================================================================== */
.page-section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border-line);
}

.page-section--surface {
  background-color: var(--bg-surface);
}

.page-section--subtle {
  background-color: var(--bg-subtle);
}

@media (min-width: 768px) {
  .page-section {
    padding: 84px 0;
  }
}

.section-header {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-header__title {
  font-size: 1.75rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .section-header__title {
    font-size: 2.25rem;
  }
}

.section-header__desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Hero Section + Interactive Creator Studio Product Preview
   ========================================================================== */
.hero-panel {
  padding: 48px 0 64px;
  background-color: var(--bg-page);
  border-bottom: 1.5px solid var(--text-main);
}

@media (min-width: 920px) {
  .hero-panel {
    padding: 76px 0 88px;
  }
}

.hero-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 920px) {
  .hero-panel__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 48px;
  }
}

.hero-panel__badge {
  display: inline-block;
  padding: 5px 12px;
  background-color: var(--accent-soft);
  color: var(--text-main);
  border: 1px solid var(--text-main);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-panel__title {
  font-size: 2.15rem;
  line-height: 1.2;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .hero-panel__title {
    font-size: 2.9rem;
  }
}

.hero-panel__subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 600px;
}

.hero-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-panel__trust {
  padding-top: 20px;
  border-top: 1px solid var(--border-line);
  font-size: 0.925rem;
  color: var(--text-muted);
}

.hero-panel__trust-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 10px;
  color: var(--text-main);
  font-weight: 700;
}

.hero-panel__trust-list li {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* Studio Workspace Preview Card */
.hero-panel__visual {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  border-radius: 10px;
  box-shadow: 6px 6px 0 var(--text-main);
  overflow: hidden;
}

.studio-preview__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: var(--text-main);
  color: var(--bg-surface);
  font-size: 0.85rem;
  font-weight: 700;
}

.studio-preview__dots {
  display: inline-flex;
  gap: 6px;
}

.studio-preview__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--text-secondary);
}

.studio-preview__dot--active {
  background-color: var(--accent-soft);
}

.studio-preview__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-line);
}

.studio-preview__tab {
  min-height: 44px;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-line);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.studio-preview__tab:last-child {
  border-right: none;
}

.studio-preview__tab[aria-selected="true"] {
  background-color: var(--accent-soft);
  color: var(--text-main);
}

.studio-preview__canvas {
  padding: 16px;
}

.studio-preview__pane {
  display: none;
}

.studio-preview__pane--active {
  display: block;
}

.studio-preview__caption {
  margin-top: 12px;
  padding: 10px 12px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.studio-preview__status {
  padding: 2px 8px;
  background-color: var(--accent-soft);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.78rem;
  border-radius: 4px;
}

/* ==========================================================================
   Portfolio Showcase & Modular Grid Cards (Scenarios & Features)
   ========================================================================== */
.showcase-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.showcase-filter__btn {
  min-height: 44px;
  padding: 8px 18px;
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-line);
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.showcase-filter__btn:hover {
  border-color: var(--text-main);
}

.showcase-filter__btn--active {
  background-color: var(--text-main);
  color: var(--accent-soft);
  border-color: var(--text-main);
}

.arch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

@media (min-width: 640px) {
  .arch-grid--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .arch-grid--four {
    grid-template-columns: repeat(2, 1fr);
  }
}

.arch-card {
  padding: 28px 24px;
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.arch-card:hover {
  box-shadow: 4px 4px 0 var(--accent-main);
}

.arch-card--hidden {
  display: none;
}

.arch-card__meta {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  background-color: var(--accent-soft);
  color: var(--text-main);
  border: 1px solid var(--text-main);
  font-size: 0.825rem;
  font-weight: 700;
  border-radius: 4px;
}

.arch-card__icon {
  width: 40px;
  height: 40px;
  color: var(--accent-main);
}

.arch-card__title {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.arch-card__desc {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.arch-card__output {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--border-line);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-main);
}

/* ==========================================================================
   Matrix Board (Streaming & AI Support)
   ========================================================================== */
.matrix-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 600px) {
  .matrix-board {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .matrix-board {
    grid-template-columns: repeat(3, 1fr);
  }
}

.matrix-item {
  padding: 24px 20px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.matrix-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.matrix-item__name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.matrix-item__badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  background-color: var(--accent-tint);
  color: var(--accent-main);
  border: 1px solid var(--accent-main);
  border-radius: 999px;
}

.matrix-item__detail {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.matrix-note {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Workflow Strip (Creator Studio 3-Step Workflow Demonstration)
   ========================================================================== */
.workflow-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .workflow-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

.workflow-step {
  background-color: var(--bg-page);
  border: 1.5px solid var(--text-main);
  border-radius: 8px;
  padding: 22px 20px;
}

.workflow-step__num {
  display: inline-block;
  padding: 3px 10px;
  background-color: var(--accent-soft);
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 800;
  border: 1px solid var(--text-main);
  border-radius: 4px;
  margin-bottom: 10px;
}

.workflow-step__title {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.workflow-step__desc {
  font-size: 0.925rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Pricing Section (Individual / Professional / Team Distinction)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.price-card {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  border-radius: 10px;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.price-card--featured {
  border: 2px solid var(--accent-main);
  box-shadow: 6px 6px 0 var(--text-main);
  position: relative;
}

.price-card__tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  font-size: 0.825rem;
  font-weight: 800;
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border: 1px solid var(--text-main);
  margin-bottom: 14px;
  border-radius: 999px;
}

.price-card--featured .price-card__tag {
  background-color: var(--accent-soft);
  color: var(--text-main);
}

.price-card__title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.price-card__price {
  font-size: 2.15rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 6px;
}

.price-card__unit {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.price-card__Fit {
  font-size: 0.925rem;
  color: var(--text-muted);
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-line);
}

.price-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.price-card__list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.price-card__check {
  width: 18px;
  height: 18px;
  color: var(--accent-main);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   Benefits Comparison Table
   ========================================================================== */
.spec-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1.5px solid var(--text-main);
  border-radius: 8px;
  background-color: var(--bg-surface);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 540px;
}

.spec-table th,
.spec-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-line);
  border-right: 1px solid var(--border-line);
  font-size: 0.95rem;
}

.spec-table th:last-child,
.spec-table td:last-child {
  border-right: none;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table th {
  background-color: var(--text-main);
  font-weight: 700;
  color: var(--bg-surface);
}

.spec-table th.spec-table__highlight {
  background-color: var(--accent-main);
  color: var(--bg-surface);
}

.spec-table td.spec-table__highlight {
  background-color: var(--accent-tint);
  font-weight: 600;
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-list {
  max-width: 860px;
  border-top: 1.5px solid var(--text-main);
}

.faq-item {
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-surface);
}

.faq-item__summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 16px 20px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
}

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

.faq-item__indicator {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-soft);
  border: 1px solid var(--text-main);
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  flex-shrink: 0;
}

.faq-item[open] .faq-item__indicator::before {
  content: "−";
}

.faq-item:not([open]) .faq-item__indicator::before {
  content: "+";
}

.faq-item__body {
  padding: 0 20px 20px;
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

/* ==========================================================================
   Final CTA Banner
   ========================================================================== */
.cta-banner {
  padding: 64px 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-line);
}

.cta-banner__box {
  background-color: var(--bg-page);
  border: 2px solid var(--text-main);
  border-radius: 10px;
  box-shadow: 6px 6px 0 var(--accent-main);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .cta-banner__box {
    padding: 44px 40px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cta-banner__title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.cta-banner__desc {
  font-size: 1rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Guides Directory & Article Pages
   ========================================================================== */
.breadcrumb-bar {
  padding: 14px 0;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-line);
  font-size: 0.9rem;
}

.breadcrumb-bar__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.breadcrumb-bar__item + .breadcrumb-bar__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--text-secondary);
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 680px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .guide-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.guide-card {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.16s ease;
}

.guide-card:hover {
  box-shadow: 4px 4px 0 var(--accent-main);
}

.guide-card__thumb {
  width: 100%;
  height: auto;
  border-bottom: 1.5px solid var(--text-main);
  background-color: var(--bg-subtle);
}

.guide-card__body {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 12px;
}

.guide-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.guide-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-main);
}

.guide-card__excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.guide-card__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 800;
  color: var(--accent-main);
}

/* Article Layout */
.article-shell {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

@media (min-width: 768px) {
  .article-shell {
    padding: 56px 24px 80px;
  }
}

.article-header {
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1.5px solid var(--text-main);
}

.article-header__title {
  font-size: 1.75rem;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
}

@media (min-width: 768px) {
  .article-header__title {
    font-size: 2.2rem;
  }
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.article-content {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--text-main);
  padding: 24px 20px;
  border-radius: 10px;
}

@media (min-width: 768px) {
  .article-content {
    padding: 40px 44px;
  }
}

.article-content h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 36px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-line);
}

.article-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 24px 0 10px;
}

.article-content p {
  margin-bottom: 16px;
  color: var(--text-main);
  font-size: 1.025rem;
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px 20px;
  list-style-position: outside;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.article-callout {
  background-color: var(--accent-soft);
  border: 1px solid var(--text-main);
  border-left: 4px solid var(--accent-main);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 6px;
}

.article-cta {
  margin-top: 36px;
  padding: 28px 24px;
  background-color: var(--accent-tint);
  border: 1.5px solid var(--accent-main);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.article-related {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-line);
}

.article-related__list {
  list-style: none;
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.article-related__link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  font-weight: 700;
  color: var(--text-main);
}

.article-related__link:hover {
  border-color: var(--accent-main);
  color: var(--accent-main);
}

/* ==========================================================================
   Footer & Mobile Sticky CTA
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1.5px solid var(--text-main);
  padding: 40px 0 48px;
  font-size: 0.925rem;
  color: var(--text-muted);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-main);
  font-weight: 700;
}

.site-footer__link:hover {
  color: var(--accent-main);
}

.site-footer__disclosure {
  padding-top: 16px;
  border-top: 1px solid var(--border-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Mobile Sticky Bottom Bar */
.mobile-sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background-color: var(--bg-surface);
  border-top: 1.5px solid var(--text-main);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transform: translateY(100%);
  transition: transform 0.2s ease;
}

.mobile-sticky--visible {
  transform: translateY(0);
}

.mobile-sticky__text {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-main);
}

@media (min-width: 768px) {
  .mobile-sticky {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}