/* ============================================================
   Единый стиль статей блога — Boostore.pro
   Подключение: /upload/catalog/6467/files/style/style_articles.css
   ============================================================ */

/* --- CSS Custom Properties (global defaults) --- */
:root {
  --art-h1-font: 2em;
  --art-h2-font: 1.6em;
  --art-h3-font: 1.2em;
  --art-body-font: 1em;
  --art-small-font: 0.9em;
  --art-accent: #334155;
  --art-accent-light: #64748b;
  --art-accent-dark: #1e293b;
  --art-btn-bg: #334155;
  --art-btn-hover: #1e293b;
  --art-btn-text: #fff;
  --art-h2-border: #334155;
  --art-badge-bg: #334155;
  --art-badge-text: #fff;
  --art-card-bg: #fff;
  --art-card-border: #eef2f6;
  --art-card-shadow: 0 4px 15px rgba(0,0,0,0.04);
  --art-body-text: #475569;
  --art-heading-text: #1e293b;
  --art-link: #334155;
  --art-link-hover: #1e293b;
  --art-toc-bg: #f8fafc;
  --art-toc-border: #e2e8f0;
  --art-info-bg: #e0f2fe;
  --art-info-border: #334155;
  --art-info-text: #1e293b;
  --art-success-bg: #dcfce7;
  --art-success-border: #16a34a;
  --art-warning-bg: #fef3c7;
  --art-warning-border: #d97706;
  --art-danger-bg: #fee2e2;
  --art-danger-border: #dc2626;
  --art-code-bg: #1e293b;
  --art-code-text: #e2e8f0;
  --art-card-feature-bg: #f8fafc;
  --art-card-feature-border: #e2e8f0;
  --art-step-num-bg: #334155;
  --art-step-num-text: #fff;
  --art-table-th-bg: #0f172a;
  --art-table-th-text: #fff;
  --art-table-border: #e2e8f0;
  --art-table-hover: #f8fafc;
  --art-faq-border: #e2e8f0;
  --art-faq-open-border: #334155;
  --art-faq-summary-color: #334155;
  --art-faq-summary-text: #1e293b;
  --art-faq-hover: #f8fafc;
  --art-check-bg: #dcfce7;
  --art-check-color: #16a34a;
  --art-check-border: #16a34a;
  --art-danger-label-bg: #fef3c7;
  --art-danger-label-color: #d97706;
  --art-danger-label-border: #d97706;
  --art-seo-label-bg: #e0f2fe;
  --art-seo-label-color: #2563eb;
  --art-seo-label-border: #2563eb;
  --art-pros-color: #16a34a;
  --art-cons-color: #dc2626;
  --art-progress-green: linear-gradient(90deg, #16a34a, #4ade80);
  --art-progress-red: linear-gradient(90deg, #dc2626, #f87171);
  --art-progress-amber: linear-gradient(90deg, #d97706, #fbbf24);
  --art-reminder-bg: #e0f2fe;
  --art-reminder-border: #2563eb;
  --art-divider-bg: linear-gradient(90deg, transparent, #334155, transparent);
  --art-special-btn-bg: linear-gradient(135deg, #475569, #334155);
  --art-chip-bg: rgba(255,255,255,0.15);
  --art-chip-hover: rgba(255,255,255,0.3);
  --art-chip-text: #fff;
  --art-chip-border: rgba(255,255,255,0.08);
}

/* --- CSS Custom Properties (theme defaults, overridden by .art-wrap) --- */
.art-wrap {
  --art-h1-font: 2em;
  --art-h2-font: 1.6em;
  --art-h3-font: 1.2em;
  --art-body-font: 1em;
  --art-small-font: 0.9em;

  /* Цвета по умолчанию (тёмная тема) */
  --art-header-bg: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  --art-header-text: #fff;
  --art-accent: #334155;
  --art-accent-light: #64748b;
  --art-accent-dark: #1e293b;
  --art-btn-bg: #334155;
  --art-btn-hover: #1e293b;
  --art-btn-text: #fff;
  --art-h2-border: #334155;
  --art-badge-bg: #334155;
  --art-badge-text: #fff;
  --art-card-bg: #fff;
  --art-card-border: #eef2f6;
  --art-card-shadow: 0 4px 15px rgba(0,0,0,0.04);
  --art-body-text: #475569;
  --art-heading-text: #1e293b;
  --art-link: #334155;
  --art-link-hover: #1e293b;
  --art-toc-bg: #f8fafc;
  --art-toc-border: #e2e8f0;
  --art-chip-bg: rgba(255,255,255,0.15);
  --art-chip-hover: rgba(255,255,255,0.3);
  --art-chip-text: #fff;
  --art-chip-border: rgba(255,255,255,0.08);
  --art-info-bg: #e0f2fe;
  --art-info-border: #334155;
  --art-info-text: #1e293b;
  --art-success-bg: #dcfce7;
  --art-success-border: #16a34a;
  --art-warning-bg: #fef3c7;
  --art-warning-border: #d97706;
  --art-danger-bg: #fee2e2;
  --art-danger-border: #dc2626;
  --art-code-bg: #1e293b;
  --art-code-text: #e2e8f0;
  --art-card-feature-bg: #f8fafc;
  --art-card-feature-border: #e2e8f0;
  --art-step-num-bg: #334155;
  --art-step-num-text: #fff;
  --art-table-th-bg: #0f172a;
  --art-table-th-text: #fff;
  --art-table-border: #e2e8f0;
  --art-table-hover: #f8fafc;
  --art-faq-border: #e2e8f0;
  --art-faq-open-border: #334155;
  --art-faq-summary-color: #334155;
  --art-faq-summary-text: #1e293b;
  --art-faq-hover: #f8fafc;
  --art-check-bg: #dcfce7;
  --art-check-color: #16a34a;
  --art-check-border: #16a34a;
  --art-danger-label-bg: #fef3c7;
  --art-danger-label-color: #d97706;
  --art-danger-label-border: #d97706;
  --art-seo-label-bg: #e0f2fe;
  --art-seo-label-color: #2563eb;
  --art-seo-label-border: #2563eb;
  --art-pros-color: #16a34a;
  --art-cons-color: #dc2626;
  --art-progress-green: linear-gradient(90deg, #16a34a, #4ade80);
  --art-progress-red: linear-gradient(90deg, #dc2626, #f87171);
  --art-progress-amber: linear-gradient(90deg, #d97706, #fbbf24);
  --art-reminder-bg: #e0f2fe;
  --art-reminder-border: #2563eb;
  --art-divider-bg: linear-gradient(90deg, transparent, #334155, transparent);
  --art-special-btn-bg: linear-gradient(135deg, #475569, #334155);
  --art-toc-link: #334155;
}

/* --- Theme: Dark Blue (основная — 15661, 15652, 15715) --- */
.art-wrap.art-theme-dark {
  --art-header-bg: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  --art-accent: #334155;
  --art-accent-light: #64748b;
  --art-accent-dark: #1e293b;
  --art-btn-bg: #334155;
  --art-btn-hover: #1e293b;
  --art-h2-border: #334155;
  --art-badge-bg: #334155;
  --art-link: #334155;
  --art-toc-link: #334155;
  --art-info-border: #334155;
  --art-step-num-bg: #334155;
  --art-table-th-bg: #0f172a;
  --art-faq-open-border: #334155;
  --art-faq-summary-color: #334155;
  --art-special-btn-bg: linear-gradient(135deg, #475569, #334155);
}

/* --- Theme: Green (15381, 15640) --- */
.art-wrap.art-theme-green {
  --art-header-bg: linear-gradient(135deg, #064e3b 0%, #059669 100%);
  --art-accent: #059669;
  --art-accent-light: #34d399;
  --art-accent-dark: #064e3b;
  --art-btn-bg: #059669;
  --art-btn-hover: #047857;
  --art-h2-border: #059669;
  --art-badge-bg: #059669;
  --art-link: #059669;
  --art-toc-link: #059669;
  --art-info-bg: #e0f2fe;
  --art-info-border: #059669;
  --art-info-text: #065f46;
  --art-step-num-bg: #059669;
  --art-table-th-bg: #064e3b;
  --art-table-th-text: #fff;
  --art-faq-open-border: #059669;
  --art-faq-summary-color: #059669;
  --art-special-btn-bg: #059669;
}

/* --- Theme: Blue (15632, 15636, 15665, 15377) --- */
.art-wrap.art-theme-blue {
  --art-header-bg: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  --art-accent: #2563eb;
  --art-accent-light: #60a5fa;
  --art-accent-dark: #1e3a5f;
  --art-btn-bg: #2563eb;
  --art-btn-hover: #1d4ed8;
  --art-h2-border: #2563eb;
  --art-badge-bg: #2563eb;
  --art-link: #2563eb;
  --art-toc-link: #2563eb;
  --art-info-border: #2563eb;
  --art-info-text: #1e3a5f;
  --art-step-num-bg: #2563eb;
  --art-table-th-bg: #1e3a5f;
  --art-faq-open-border: #2563eb;
  --art-faq-summary-color: #2563eb;
  --art-special-btn-bg: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  --art-chip-hover: rgba(37, 99, 235, 0.3);
  --art-chip-bg: rgba(37, 99, 235, 0.15);
  --art-chip-border: rgba(37, 99, 235, 0.2);
  --art-seo-label-border: #2563eb;
  --art-reminder-border: #2563eb;
}

/* --- Theme: Gray (15644) --- */
.art-wrap.art-theme-gray {
  --art-header-bg: linear-gradient(135deg, #1e293b 0%, #475569 100%);
  --art-accent: #475569;
  --art-accent-light: #94a3b8;
  --art-accent-dark: #1e293b;
  --art-btn-bg: #475569;
  --art-btn-hover: #334155;
  --art-h2-border: #475569;
  --art-badge-bg: #475569;
  --art-link: #475569;
  --art-toc-link: #475569;
  --art-info-border: #475569;
  --art-step-num-bg: #475569;
  --art-table-th-bg: #1e293b;
  --art-faq-open-border: #475569;
  --art-faq-summary-color: #475569;
  --art-special-btn-bg: #475569;
}

html { scroll-behavior: smooth; }
/* ============================================================
   SITE WRAPPER — Mobile fix
   ============================================================ */
.hotengine-wrapper-blog-page #page_content {
  padding: 10px 20px !important;
}
@media (max-width: 600px) {
  .hotengine-wrapper-blog-page #page_content {
    padding: 8px 10px !important;
    max-width: 100% !important;
  }
}
@media (max-width: 320px) {
  .hotengine-wrapper-blog-page #page_content {
    padding: 5px 6px !important;
  }
}

/* ============================================================
   BASE / WRAPPER
   ============================================================ */
.art-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* ============================================================
   HEADER ARTICLE
   ============================================================ */
.art-header {
  text-align: center;
  padding: 50px 20px 30px;
  background: var(--art-header-bg);
  color: var(--art-header-text);
  border-radius: 24px;
  margin-bottom: 40px;
}
.art-header h1 {
  font-size: var(--art-h1-font);
  margin: 0 0 15px;
  line-height: 1.2;
}
.art-header p {
  font-size: 1.1em;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================================
   SPEED STRIP / CHIPS
   ============================================================ */
.art-speed-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  margin: 25px 0 0;
}
.art-speed-chip {
  background: var(--art-chip-bg);
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.88em;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all 0.3s ease;
  color: var(--art-chip-text);
  text-decoration: none;
  border: 1px solid var(--art-chip-border);
  cursor: pointer;
}
.art-speed-chip:hover {
  background: var(--art-chip-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
}
.art-speed-chip:active {
  transform: translateY(1px);
}

/* ============================================================
   TABLE OF CONTENTS (TOC)
   ============================================================ */
.art-toc {
  background: var(--art-toc-bg);
  border: 1px solid var(--art-toc-border);
  border-radius: 16px;
  padding: 25px 30px;
  margin-bottom: 30px;
}
.art-toc h3 {
  margin: 0 0 15px;
  font-size: 1.1em;
  color: var(--art-heading-text);
}
.art-toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  column-gap: 30px;
}
.art-toc ol li {
  margin-bottom: 5px;
  font-size: 0.9em;
}
.art-toc ol li a {
  color: var(--art-toc-link);
  text-decoration: none;
}
.art-toc ol li a:hover {
  text-decoration: underline;
}

/* ============================================================
   CONTENT BLOCK
   ============================================================ */
.art-block {
  background: var(--art-card-bg);
  border-radius: 20px;
  padding: 35px;
  margin-bottom: 30px;
  box-shadow: var(--art-card-shadow);
  border: 1px solid var(--art-card-border);
}
.art-block:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}
.art-block h2 {
  font-size: var(--art-h2-font);
  color: var(--art-heading-text);
  margin: 0 0 5px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--art-h2-border);
}
.art-block h2 .art-badge {
  display: inline-block;
  background: var(--art-badge-bg);
  color: var(--art-badge-text);
  font-size: 0.45em;
  padding: 4px 12px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 10px;
  font-weight: 600;
}
.art-block h3 {
  font-size: var(--art-h3-font);
  color: var(--art-heading-text);
  margin: 25px 0 10px;
}
.art-block p {
  font-size: var(--art-body-font);
  line-height: 1.7;
  color: var(--art-body-text);
  margin: 0 0 15px;
}
.art-block ul, .art-block ol {
  font-size: 0.95em;
  line-height: 1.7;
  color: var(--art-body-text);
  padding-left: 20px;
}
.art-block li {
  margin-bottom: 8px;
}
.art-block a {
  color: var(--art-link);
  text-decoration: none;
  font-weight: 600;
}
.art-block a:hover {
  text-decoration: underline;
  color: var(--art-link-hover);
}

/* ============================================================
   INFO / SUCCESS / WARNING / DANGER BOXES
   ============================================================ */
.art-info-box {
  background: var(--art-info-bg);
  border-left: 4px solid var(--art-info-border);
  padding: 15px 20px;
  border-radius: 0 12px 12px 0;
  margin: 15px 0;
  font-size: 0.95em;
  color: var(--art-info-text);
}
.art-info-box:hover,
.art-success-box:hover,
.art-warning-box:hover,
.art-danger-box:hover {
  border-left-width: 6px;
  padding-left: 18px;
}
.art-info-box strong {
  color: var(--art-accent-dark);
}
.art-success-box {
  background: var(--art-success-bg);
  border-left: 4px solid var(--art-success-border);
  padding: 15px 20px;
  border-radius: 0 12px 12px 0;
  margin: 15px 0;
  font-size: 0.95em;
}
.art-warning-box {
  background: var(--art-warning-bg);
  border-left: 4px solid var(--art-warning-border);
  padding: 15px 20px;
  border-radius: 0 12px 12px 0;
  margin: 15px 0;
  font-size: 0.95em;
}
.art-danger-box {
  background: var(--art-danger-bg);
  border-left: 4px solid var(--art-danger-border);
  padding: 15px 20px;
  border-radius: 0 12px 12px 0;
  margin: 15px 0;
  font-size: 0.95em;
}

/* ============================================================
   GRID 2 COLUMNS
   ============================================================ */
.art-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 20px 0;
}

/* ============================================================
   CARD FEATURE
   ============================================================ */
.art-card {
  background: var(--art-card-feature-bg);
  border: 1px solid var(--art-card-feature-border);
  border-radius: 16px;
  padding: 25px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.art-card:hover {
  border-color: var(--art-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.art-card:active {
  transform: translateY(1px);
}
.art-card h4 {
  margin: 0 0 10px;
  color: var(--art-heading-text);
  font-size: 1.1em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.art-card p {
  font-size: 0.9em;
  color: var(--art-body-text);
  margin: 0;
}

/* ============================================================
   STEP CARDS
   ============================================================ */
.art-step-card {
  background: var(--art-card-bg);
  border: 1px solid var(--art-card-feature-border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 15px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.art-step-card:hover {
  border-color: var(--art-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}
.art-step-card:active {
  transform: translateY(1px);
}
.art-step-num {
  background: var(--art-step-num-bg);
  color: var(--art-step-num-text);
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85em;
  flex-shrink: 0;
}
.art-step-body {
  flex: 1;
}
.art-step-body h4 {
  margin: 0 0 6px;
  color: var(--art-heading-text);
}
.art-step-body p {
  margin: 0;
  font-size: 0.9em;
  color: var(--art-body-text);
}

/* ============================================================
   BIG BUTTON / CTA
   ============================================================ */
.art-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--art-btn-bg);
  color: var(--art-btn-text) !important;
  padding: 16px 35px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1em;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
}
.art-btn:hover {
  background: var(--art-btn-hover);
  transform: scale(1.03);
  text-decoration: none !important;
}
.art-btn:active {
  transform: translateY(1px);
}
.art-cta-center {
  text-align: center;
  padding: 30px 0;
}

/* ============================================================
   CODE EXAMPLES
   ============================================================ */
.art-code {
  background: var(--art-code-bg);
  color: var(--art-code-text);
  padding: 20px;
  border-radius: 12px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.85em;
  line-height: 1.6;
  overflow-x: auto;
  margin: 15px 0;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}
.art-code .art-cm { color: #94a3b8; }
.art-code .art-kw { color: #93c5fd; }
.art-code .art-vl { color: #86efac; }
.art-code .art-tg { color: #fbbf24; }

/* ============================================================
   COMPARE TABLE
   ============================================================ */
.art-table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  font-size: 0.9em;
}
.art-table thead th {
  background: var(--art-table-th-bg);
  color: var(--art-table-th-text);
  padding: 12px 15px;
  text-align: left;
  font-weight: 700;
}
.art-table tbody td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--art-table-border);
  color: var(--art-body-text);
}
.art-table tbody tr:hover td {
  background: var(--art-table-hover);
}
.art-table .art-yes {
  color: #16a34a;
  font-weight: 700;
}
.art-table .art-no {
  color: #dc2626;
}

/* ============================================================
   LABELS (checklist badges)
   ============================================================ */
.art-label {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75em;
  font-weight: 700;
  margin-bottom: 4px;
}
.art-label-green {
  background: var(--art-check-bg);
  color: var(--art-check-color);
}
.art-label-orange {
  background: var(--art-danger-label-bg);
  color: var(--art-danger-label-color);
}
.art-label-blue {
  background: var(--art-seo-label-bg);
  color: var(--art-seo-label-color);
}
.art-label-red {
  background: #fee2e2;
  color: #dc2626;
}

/* ============================================================
   PROS / CONS LISTS
   ============================================================ */
.art-pros, .art-cons {
  padding-left: 0;
  list-style: none;
}
.art-pros li, .art-cons li {
  padding: 8px 12px 8px 32px;
  margin-bottom: 6px;
  border-radius: 8px;
  position: relative;
  font-size: 0.92em;
}
.art-pros li {
  background: #f0fdf4;
  border-left: 3px solid var(--art-pros-color);
}
.art-pros li::before {
  content: '✓';
  position: absolute;
  left: 10px;
  color: var(--art-pros-color);
  font-weight: 700;
}
.art-cons li {
  background: #fef2f2;
  border-left: 3px solid var(--art-cons-color);
}
.art-cons li::before {
  content: '✗';
  position: absolute;
  left: 10px;
  color: var(--art-cons-color);
  font-weight: 700;
}

/* ============================================================
   FAQ
   ============================================================ */
.art-faq {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}
.art-faq h2 {
  font-size: var(--art-h2-font);
  color: var(--art-heading-text);
  margin: 0 0 5px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--art-h2-border);
}
.art-faq > p {
  font-size: var(--art-body-font);
  line-height: 1.7;
  color: var(--art-body-text);
  margin: 10px 0 25px;
}
.art-faq details {
  background: var(--art-card-bg);
  border: 1px solid var(--art-faq-border);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s ease;
}
.art-faq details[open] {
  border-color: var(--art-faq-open-border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}
.art-faq summary {
  padding: 18px 45px 18px 20px;
  font-size: 1em;
  font-weight: 600;
  color: var(--art-faq-summary-text);
  cursor: pointer;
  position: relative;
  list-style: none;
  line-height: 1.4;
}
.art-faq summary::-webkit-details-marker { display: none; }
.art-faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4em;
  font-weight: 400;
  color: var(--art-faq-summary-color);
  transition: transform 0.2s ease;
}
.art-faq details[open] summary::after {
  content: "\2013";
}
.art-faq summary:hover {
  background: var(--art-faq-hover);
}
.art-faq summary:active {
  transform: translateY(1px);
}
.art-faq details[open] summary {
  border-bottom: 1px solid var(--art-card-border);
}
.art-faq details > div {
  padding: 0 20px 18px;
  font-size: 0.95em;
  line-height: 1.7;
  color: var(--art-body-text);
}
.art-faq details > div p {
  margin: 0 0 10px;
}
.art-faq details > div p:last-child {
  margin: 0;
}
.art-faq details > div ul {
  margin: 8px 0;
  padding-left: 20px;
}
.art-faq details > div li {
  margin-bottom: 5px;
}
.art-faq details > div a {
  color: var(--art-link);
  text-decoration: none;
  font-weight: 600;
}
.art-faq details > div a:hover {
  text-decoration: underline;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 700px) {
  .art-grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .art-toc ol { columns: 1; }
  .art-header { padding: 30px 14px 20px; border-radius: 16px; margin-bottom: 25px; }
  .art-header h1 { font-size: 1.5em; }
  .art-block { padding: 20px; }
  .art-faq { padding: 10px; }
  .art-faq h2 { font-size: 1.2em; }
  .art-faq summary { padding: 14px 40px 14px 14px; font-size: 0.92em; }
  .art-faq details > div { padding: 0 14px 14px; font-size: 0.88em; }
}

@media (max-width: 599px) {
  .art-wrap { padding: 10px; }
  .art-header h1 { font-size: 1.3em; }
  .art-header p { font-size: 0.95em; }
  .art-speed-strip { gap: 8px; }
  .art-speed-chip { padding: 6px 12px; font-size: 0.8em; }
  .art-block { padding: 14px; border-radius: 14px; margin-bottom: 20px; }
  .art-block h2 { font-size: 1.2em; }
  .art-block h3 { font-size: 1em; margin: 16px 0 8px; }
  .art-block p, .art-block ul, .art-block ol { font-size: 0.9em; overflow-wrap: break-word; word-break: break-word; }
  .art-block ul, .art-block ol { padding-left: 16px; }
  .art-block h2 .art-badge { display: inline; font-size: 0.4em; padding: 2px 8px; margin-left: 6px; white-space: nowrap; }
  .art-toc { padding: 14px; }
  .art-toc ol { columns: 1; }
  .art-btn { padding: 12px 20px; font-size: 0.9em; width: 100%; justify-content: center; box-sizing: border-box; }
  .art-grid-2 { gap: 10px; }
  .art-card { padding: 14px; }
  .art-card h4 { font-size: 0.95em; }
  .art-cta-center { padding: 20px 0; }
  .art-info-box, .art-success-box, .art-warning-box, .art-danger-box { padding: 11px 12px; font-size: 0.9em; overflow-wrap: break-word; word-break: break-word; }
  .art-info-box:hover, .art-success-box:hover, .art-warning-box:hover, .art-danger-box:hover { padding-left: 9px; }
  .art-code { padding: 12px; font-size: 0.78em; }
  .art-step-card { flex-direction: column; padding: 14px; }
  .art-table thead, .art-table th { display: none; }
  .art-table tr:has(th) { display: none; }
  .art-table, .art-table tbody, .art-table tr { display: block; width: 100%; box-sizing: border-box; }
  .art-table tr { background: var(--art-card-bg); border: 1px solid var(--art-table-border); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
  .art-table td { display: block; padding: 4px 0; border: none; text-align: left; width: 100%; box-sizing: border-box; }
  .art-table td:first-child { font-weight: 700; color: var(--art-heading-text); padding-bottom: 6px; border-bottom: 1px solid var(--art-card-border); margin-bottom: 5px; font-size: 0.9em; }
  .art-faq details > div { font-size: 0.9em; overflow-wrap: break-word; word-break: break-word; }
  .art-faq summary { font-size: 0.92em; }
}

@media (max-width: 380px) {
  .art-wrap { padding: 8px; }
  .art-header { padding: 18px 8px 14px; border-radius: 12px; }
  .art-header h1 { font-size: 1.1em; }
  .art-header p { font-size: 0.9em; }
  .art-block { padding: 10px; }
  .art-block h2 { font-size: 1.05em; }
  .art-block p, .art-block ul, .art-block ol { font-size: 0.88em; overflow-wrap: break-word; word-break: break-word; }
  .art-btn { padding: 10px 14px; font-size: 0.88em; }
  .art-toc { padding: 10px; }
  .art-card { padding: 10px; }
  .art-info-box, .art-success-box, .art-warning-box, .art-danger-box { padding: 9px 10px; font-size: 0.88em; overflow-wrap: break-word; word-break: break-word; }
  .art-info-box:hover, .art-success-box:hover, .art-warning-box:hover, .art-danger-box:hover { padding-left: 7px; }
  .art-code { font-size: 0.72em; padding: 8px; }
  .art-table tr { padding: 8px 10px; }
  .art-table td { font-size: 0.9em; }
  .art-faq summary { padding: 12px 36px 12px 12px; font-size: 0.88em; }
  .art-faq details > div { padding: 0 12px 12px; font-size: 0.88em; overflow-wrap: break-word; word-break: break-word; }
}

/* ============================================================
   CLASS ALIASES (migrated prefixes) — full style inheritance
   ============================================================ */

/* --- .art-content-block (alias for .art-block) --- */
.art-content-block { background: var(--art-card-bg); border-radius: 20px; padding: 35px; margin-bottom: 30px; box-shadow: var(--art-card-shadow); border: 1px solid var(--art-card-border); }
.art-content-block:hover { box-shadow: 0 8px 25px rgba(0,0,0,0.08); }
.art-content-block h2 { font-size: var(--art-h2-font); color: var(--art-heading-text); margin: 0 0 5px; padding-bottom: 10px; border-bottom: 3px solid var(--art-h2-border); }
.art-content-block h2 .art-badge { display: inline-block; background: var(--art-badge-bg); color: var(--art-badge-text); font-size: 0.45em; padding: 4px 12px; border-radius: 20px; vertical-align: middle; margin-left: 10px; font-weight: 600; }
.art-content-block h3 { font-size: var(--art-h3-font); color: var(--art-heading-text); margin: 25px 0 10px; }
.art-content-block p { font-size: var(--art-body-font); line-height: 1.7; color: var(--art-body-text); margin: 0 0 15px; }
.art-content-block ul, .art-content-block ol { font-size: 0.95em; line-height: 1.7; color: var(--art-body-text); padding-left: 20px; }
.art-content-block li { margin-bottom: 8px; }
.art-content-block a { color: var(--art-link); text-decoration: none; font-weight: 600; }
.art-content-block a:hover { text-decoration: underline; color: var(--art-link-hover); }

/* --- .art-header-article (alias for .art-header) --- */
.art-header-article { text-align: center; padding: 50px 20px 30px; background: var(--art-header-bg); color: var(--art-header-text); border-radius: 24px; margin-bottom: 40px; }
.art-header-article h1 { font-size: var(--art-h1-font); margin: 0 0 15px; line-height: 1.2; }
.art-header-article p { font-size: 1.1em; opacity: 0.9; max-width: 800px; margin: 0 auto; }

/* --- .art-compare-table / .art-compare-table--redirect (alias for .art-table) --- */
.art-compare-table, .art-compare-table--redirect { width: 100%; border-collapse: collapse; margin: 15px 0; font-size: 0.9em; }
.art-compare-table thead th, .art-compare-table--redirect thead th,
.art-compare-table th, .art-compare-table--redirect th { background: var(--art-table-th-bg); color: var(--art-table-th-text); padding: 12px 15px; text-align: left; font-weight: 700; }
.art-compare-table tbody td, .art-compare-table--redirect tbody td { padding: 12px 15px; border-bottom: 1px solid var(--art-table-border); color: var(--art-body-text); }
.art-compare-table tbody tr:hover td, .art-compare-table--redirect tbody tr:hover td { background: var(--art-table-hover); }
.art-compare-table .art-yes, .art-compare-table--redirect .art-yes { color: #16a34a; font-weight: 700; }
.art-compare-table .art-no, .art-compare-table--redirect .art-no { color: #dc2626; }

/* --- .art-card-feature (alias for .art-card) --- */
.art-card-feature { background: var(--art-card-feature-bg); border: 1px solid var(--art-card-feature-border); border-radius: 16px; padding: 25px; transition: all 0.3s ease; position: relative; overflow: hidden; }
.art-card-feature:hover { border-color: var(--art-accent); transform: translateY(-3px); box-shadow: 0 10px 25px rgba(0,0,0,0.05); }
.art-card-feature:active { transform: translateY(1px); }
.art-card-feature h4 { margin: 0 0 10px; color: var(--art-heading-text); font-size: 1.1em; display: flex; align-items: center; gap: 8px; }
.art-card-feature p { font-size: 0.9em; color: var(--art-body-text); margin: 0; }

/* --- .art-big-btn (alias for .art-btn) --- */
.art-big-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--art-btn-bg); color: var(--art-btn-text) !important; padding: 16px 35px; border-radius: 50px; font-weight: 700; text-decoration: none; transition: all 0.3s ease; border: none; cursor: pointer; font-family: inherit; font-size: 1em; word-break: keep-all !important; overflow-wrap: normal !important; }
.art-big-btn:hover { background: var(--art-btn-hover); transform: scale(1.03); text-decoration: none !important; }
.art-big-btn:active { transform: translateY(1px); }

/* --- .art-code-example (alias for .art-code) --- */
.art-code-example { background: var(--art-code-bg); color: var(--art-code-text); padding: 20px; border-radius: 12px; font-family: Consolas,Monaco,Courier New,monospace; font-size: 0.85em; line-height: 1.6; overflow-x: auto; margin: 15px 0; white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
.art-code-example .art-cm, .art-code-example .art-comment { color: #94a3b8; }
.art-code-example .art-kw, .art-code-example .art-key { color: #93c5fd; }
.art-code-example .art-vl, .art-code-example .art-val { color: #86efac; }
.art-code-example .art-tg, .art-code-example .art-tag { color: #fbbf24; }

/* --- Additional utility classes --- */
.art-table-sub { font-size: 0.85em; color: var(--art-accent-light); display: block; margin-top: 2px; }
.art-tag-green { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.8em; font-weight: 600; background: #dcfce7; color: #16a34a; }
.art-tag-red { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.8em; font-weight: 600; background: #fee2e2; color: #dc2626; }
.art-tag-amber { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.8em; font-weight: 600; background: #fef3c7; color: #d97706; }
.art-progress-fill.art-fill-green { background: var(--art-progress-green); }
.art-progress-fill.art-fill-red { background: var(--art-progress-red); }
.art-stat-num { font-size: 1.5em; font-weight: 800; color: var(--art-heading-text); }
.art-icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; }
.art-links-section { margin: 20px 0; }
.art-links-section a { color: var(--art-link); text-decoration: none; font-weight: 600; }
.art-links-section a:hover { text-decoration: underline; color: var(--art-accent); }

/* --- Additional responsive for aliases --- */
@media (max-width: 599px) {
  .art-header-article { padding: 30px 14px 20px; border-radius: 16px; margin-bottom: 25px; }
  .art-header-article h1 { font-size: 1.3em; }
  .art-header-article p { font-size: 0.95em; }
  .art-content-block { padding: 14px; border-radius: 14px; margin-bottom: 20px; }
  .art-content-block h2 { font-size: 1.2em; }
  .art-content-block h3 { font-size: 1em; margin: 16px 0 8px; }
  .art-content-block p, .art-content-block ul, .art-content-block ol { font-size: 0.9em; overflow-wrap: break-word; word-break: break-word; }
  .art-compare-table thead, .art-compare-table th, .art-compare-table--redirect thead, .art-compare-table--redirect th { display: none; }
  .art-compare-table tr:has(th), .art-compare-table--redirect tr:has(th) { display: none; }
  .art-compare-table, .art-compare-table tbody, .art-compare-table tr, .art-compare-table--redirect, .art-compare-table--redirect tbody, .art-compare-table--redirect tr { display: block; width: 100%; box-sizing: border-box; }
  .art-compare-table tr, .art-compare-table--redirect tr { background: var(--art-card-bg); border: 1px solid var(--art-table-border); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
  .art-compare-table td, .art-compare-table--redirect td { display: block; padding: 4px 0; border: none; text-align: left; width: 100%; box-sizing: border-box; }
  .art-compare-table td:first-child, .art-compare-table--redirect td:first-child { font-weight: 700; color: var(--art-heading-text); padding-bottom: 6px; border-bottom: 1px solid var(--art-card-border); margin-bottom: 5px; font-size: 0.9em; }
  .art-big-btn { padding: 12px 20px; font-size: 0.9em; width: 100%; justify-content: center; box-sizing: border-box; }
  .art-card-feature { padding: 14px; }
  .art-card-feature h4 { font-size: 0.95em; }
  .art-code-example { padding: 12px; font-size: 0.78em; }
}

@media (max-width: 380px) {
  .art-header-article { padding: 18px 8px 14px; border-radius: 12px; }
  .art-header-article h1 { font-size: 1.1em; }
  .art-header-article p { font-size: 0.9em; }
  .art-content-block { padding: 10px; }
  .art-content-block h2 { font-size: 1.05em; }
  .art-content-block p, .art-content-block ul, .art-content-block ol { font-size: 0.88em; overflow-wrap: break-word; word-break: break-word; }
  .art-big-btn { padding: 10px 14px; font-size: 0.88em; }
  .art-card-feature { padding: 10px; }
  .art-code-example { font-size: 0.72em; padding: 8px; }
  .art-compare-table tr, .art-compare-table--redirect tr { padding: 8px 10px; }
  .art-compare-table td, .art-compare-table--redirect td { font-size: 0.9em; }
}