/* ========================================================
   红杏云 (HongXing Cloud) 官网服务介绍与推广落地页
   纯原生CSS - 极简高响应、秒开性能、移动端优先设计
   ======================================================== */

:root {
  --primary: #e11d48;
  --primary-hover: #be123c;
  --primary-light: #ffe4e6;
  --secondary: #0f172a;
  --secondary-light: #1e293b;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-focus: #cbd5e1;
  --badge-bg: #f1f5f9;
  --accent-green: #10b981;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 10px 25px -5px rgba(15,23,42,0.1);
  --max-width: 1200px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  word-break: break-word;
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ================= Header & Nav ================= */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--secondary);
}

.site-logo-img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  flex-shrink: 0;
}

.logo-badge {
  display: inline-block;
  background-color: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.btn-header-cta {
  background-color: var(--primary);
  color: #ffffff !important;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
  white-space: nowrap;
}

.btn-header-cta:hover {
  background-color: var(--primary-hover);
}

/* Mobile Nav Bar */
.mobile-nav-bar {
  display: none;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 8px 14px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  position: sticky;
  top: 56px;
  z-index: 99;
}

.mobile-nav-bar::-webkit-scrollbar {
  display: none;
}

.mobile-nav-bar a {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--text-main);
  background-color: #f1f5f9;
  border-radius: 20px;
  margin-right: 6px;
  font-weight: 500;
  transition: all 0.15s ease;
  min-height: 32px;
}

.mobile-nav-bar a.active,
.mobile-nav-bar a:hover {
  color: #ffffff;
  background-color: var(--primary);
  font-weight: 600;
}

/* Mobile Header CTA */
.mobile-header-cta {
  display: none;
}

/* ================= Hero Section ================= */
.hero-section {
  padding: 56px 0 44px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-body) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-content {
  flex: 1;
  text-align: left;
}

.hero-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.28;
  margin-bottom: 16px;
  text-align: left;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  text-align: left;
}

.hero-media {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-img {
  width: 250px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.06);
  background-color: #ffffff;
  padding: 12px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-logo-img:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -6px rgba(15, 23, 42, 0.18);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.35);
  transition: all 0.2s ease;
}

.hero-cta:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

/* ================= Pricing Section ================= */
.pricing-section {
  padding: 48px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* All prices in one row (flex/grid) */
.pricing-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-focus);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.12);
}

.card-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 12px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.15rem;
  color: var(--secondary);
  margin-bottom: 12px;
  font-weight: 700;
  text-align: center;
}

.price-box {
  text-align: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border);
}

.price-box .currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.price-box .amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.price-box .period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.85rem;
  color: var(--text-main);
  padding: 6px 0;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--accent-green);
  font-weight: 800;
  font-size: 0.8rem;
}

.btn-pricing {
  display: block;
  text-align: center;
  background-color: #f1f5f9;
  color: var(--secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.pricing-card.featured .btn-pricing,
.btn-pricing:hover {
  background-color: var(--primary);
  color: #ffffff;
}

/* ================= Advantages & Capabilities ================= */
.features-section {
  padding: 48px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.advantage-card {
  padding: 24px;
  background-color: var(--bg-body);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.advantage-card h3 {
  font-size: 1.15rem;
  color: var(--secondary);
  margin-bottom: 10px;
  font-weight: 700;
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Streaming & AI Cards */
.media-ai-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.media-ai-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.media-ai-card p {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 16px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud span {
  background-color: rgba(255,255,255,0.1);
  color: #f1f5f9;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.15);
}

/* ================= Guide & Article Hub ================= */
.hub-section {
  padding: 48px 0;
}

.topic-grid-12 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.topic-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.topic-card .topic-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.topic-card h4 {
  font-size: 1.02rem;
  color: var(--secondary);
  margin-bottom: 8px;
  font-weight: 700;
}

.topic-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex-grow: 1;
  margin-bottom: 12px;
}

.topic-card .read-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.article-summary-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.article-summary-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.article-summary-card .meta {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.article-summary-card h4 {
  font-size: 1.05rem;
  color: var(--secondary);
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-summary-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 16px;
}

.article-summary-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid #f1f5f9;
  padding-top: 12px;
}

/* ================= FAQ & Testimonials ================= */
.faq-section {
  padding: 48px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-bottom: 12px;
  background-color: var(--bg-card);
}

.faq-item h4 {
  font-size: 1.02rem;
  color: var(--secondary);
  margin-bottom: 8px;
  font-weight: 700;
}

.faq-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.testimonials-section {
  padding: 48px 0;
  background-color: var(--bg-body);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.testimonial-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 38px;
  height: 38px;
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-meta h5 {
  font-size: 0.88rem;
  color: var(--secondary);
}

.user-meta span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ================= Bottom CTA ================= */
.bottom-cta-banner {
  padding: 48px 0;
  text-align: center;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: #ffffff;
}

.bottom-cta-banner h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.bottom-cta-banner p {
  font-size: 0.95rem;
  color: #cbd5e1;
  max-width: 600px;
  margin: 0 auto 24px;
}

.bottom-cta-banner .btn-cta-large {
  display: inline-block;
  background-color: var(--primary);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 36px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.4);
  transition: all 0.2s ease;
}

.bottom-cta-banner .btn-cta-large:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

/* ================= Footer ================= */
.site-footer {
  background-color: #0b1120;
  color: #94a3b8;
  padding: 36px 0 24px;
  font-size: 0.88rem;
  border-top: 1px solid #1e293b;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #cbd5e1;
  font-weight: 500;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: #64748b;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 18px;
}

/* ================= Content / Article Inner Page ================= */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb span {
  margin: 0 6px;
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.article-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.3;
  margin-bottom: 12px;
}

.article-meta-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-summary-box {
  background-color: #f1f5f9;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 24px;
}

.article-summary-box p {
  font-size: 0.95rem;
  color: var(--secondary);
  font-weight: 500;
  line-height: 1.6;
}

/* Inline Light CTA */
.inline-light-cta {
  background-color: var(--primary-light);
  border: 1px solid #fecdd3;
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 20px 0 28px;
}

.inline-light-cta p {
  font-size: 0.88rem;
  color: #9f1239;
  margin: 0;
  font-weight: 600;
}

.btn-light-cta {
  background-color: var(--primary);
  color: #ffffff !important;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* Article Body Typography */
.article-body {
  font-size: 1rem;
  line-height: 1.8;
  color: #334155;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
  transition: color 0.15s ease, background-color 0.15s ease;
  padding: 1px 2px;
  border-radius: 2px;
}

.article-body a:hover {
  color: #ffffff;
  background-color: var(--primary);
  text-decoration: none;
}

.article-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--secondary);
  margin-top: 36px;
  margin-bottom: 14px;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 8px;
}

.article-body h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--secondary);
  margin-top: 24px;
  margin-bottom: 10px;
}

.article-body p {
  margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

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

.article-body strong {
  color: var(--secondary);
}

.article-body blockquote {
  border-left: 3px solid var(--border-focus);
  padding-left: 16px;
  color: var(--text-muted);
  font-style: italic;
  margin: 20px 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.88rem;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  white-space: nowrap;
}

.article-body th {
  background-color: #f8fafc;
  font-weight: 700;
  color: var(--secondary);
}

/* Post Article End CTA */
.post-end-cta {
  background-color: #ffffff;
  border: 2px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  margin-top: 40px;
}

.post-end-cta h3 {
  font-size: 1.25rem;
  color: var(--secondary);
  margin-bottom: 8px;
  font-weight: 700;
}

.post-end-cta p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.btn-post-cta {
  display: inline-block;
  background-color: var(--primary);
  color: #ffffff !important;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
}

.btn-post-cta:hover {
  background-color: var(--primary-hover);
}

/* Article Pager (上一篇 / 下一篇) */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
}

.pager-box {
  display: block;
  padding: 14px 18px;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.pager-box:hover {
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.pager-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.pager-title {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.4;
}

.pager-box.next {
  text-align: right;
}

@media (max-width: 640px) {
  .article-pager {
    grid-template-columns: 1fr;
  }
  .pager-box.next {
    text-align: left;
  }
}

/* Related Links */
.related-nav {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.related-nav h4 {
  font-size: 1.05rem;
  color: var(--secondary);
  margin-bottom: 14px;
  font-weight: 700;
}

.related-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  list-style: none;
}

.related-list a {
  display: block;
  padding: 10px 14px;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--secondary);
  transition: all 0.15s ease;
}

.related-list a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ================= Responsive Queries ================= */
@media (max-width: 1024px) {
  .pricing-row {
    grid-template-columns: repeat(3, 1fr);
  }
  .topic-grid-12 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header .header-inner {
    height: 56px;
  }
  .nav-links {
    display: none;
  }
  .mobile-header-cta {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary);
    color: #ffffff !important;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
  }
  .mobile-nav-bar {
    display: block;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-section {
    padding: 36px 0 28px;
  }
  .hero-wrapper {
    flex-direction: column-reverse;
    text-align: center;
    gap: 20px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-brand {
    font-size: 0.92rem;
    margin-bottom: 8px;
  }
  .hero-title {
    font-size: 1.55rem;
    line-height: 1.32;
    text-align: center;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 18px;
  }
  .hero-media {
    width: 100%;
  }
  .hero-logo-img {
    width: 150px;
    max-width: 55%;
    padding: 8px;
    margin: 0 auto;
  }
  .hero-cta {
    width: 100%;
    max-width: 260px;
    padding: 12px 24px;
    font-size: 1rem;
  }
  .pricing-section {
    padding: 36px 0;
  }
  .section-head {
    margin-bottom: 24px;
  }
  .section-head h2 {
    font-size: 1.45rem;
  }
  .section-head p {
    font-size: 0.88rem;
  }
  .pricing-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .pricing-card {
    padding: 20px 16px;
  }
  .price-box .amount {
    font-size: 1.8rem;
  }
  .btn-pricing {
    padding: 12px 14px;
    font-size: 0.92rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .features-section {
    padding: 36px 0;
  }
  .advantage-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
  }
  .advantage-card {
    padding: 20px 16px;
  }
  .media-ai-card {
    grid-template-columns: 1fr;
    padding: 22px 18px;
    gap: 20px;
    border-radius: var(--radius-md);
  }
  .media-ai-card h3 {
    font-size: 1.25rem;
  }
  .media-ai-card p {
    font-size: 0.88rem;
  }
  .hub-section {
    padding: 36px 0;
  }
  .topic-grid-12 {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 30px;
  }
  .topic-card {
    padding: 16px 14px;
  }
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .article-summary-card {
    padding: 18px 16px;
  }
  .faq-section {
    padding: 36px 0;
  }
  .faq-item {
    padding: 14px 16px;
  }
  .faq-item h4 {
    font-size: 0.98rem;
  }
  .faq-item p {
    font-size: 0.88rem;
  }
  .testimonials-section {
    padding: 36px 0;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .testimonial-card {
    padding: 18px 16px;
  }
  .bottom-cta-banner {
    padding: 36px 0;
  }
  .bottom-cta-banner h2 {
    font-size: 1.45rem;
  }
  .bottom-cta-banner p {
    font-size: 0.9rem;
    margin-bottom: 20px;
  }
  .bottom-cta-banner .btn-cta-large {
    width: 100%;
    max-width: 280px;
    padding: 12px 24px;
    font-size: 1rem;
  }
  .site-footer {
    padding: 28px 0 20px;
  }
  .footer-nav {
    gap: 12px 20px;
    justify-content: center;
  }
  .footer-nav a {
    font-size: 0.88rem;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }
  .footer-bottom {
    font-size: 0.75rem;
    padding-top: 14px;
  }
  .article-container {
    padding: 16px 14px 40px;
  }
  .article-header h1 {
    font-size: 1.55rem;
    line-height: 1.35;
  }
  .article-meta-info {
    font-size: 0.78rem;
    gap: 10px;
  }
  .article-summary-box {
    padding: 12px 14px;
    margin-bottom: 18px;
  }
  .article-summary-box p {
    font-size: 0.9rem;
  }
  .article-body h2 {
    font-size: 1.25rem;
    margin-top: 28px;
    margin-bottom: 12px;
  }
  .article-body h3 {
    font-size: 1.08rem;
    margin-top: 20px;
    margin-bottom: 8px;
  }
  .article-body p,
  .article-body li {
    font-size: 0.94rem;
    line-height: 1.7;
  }
  .inline-light-cta {
    flex-direction: column;
    text-align: center;
    gap: 10px;
    padding: 12px 14px;
  }
  .btn-light-cta {
    width: 100%;
    text-align: center;
    padding: 8px 16px;
  }
  .post-end-cta {
    padding: 20px 14px;
  }
  .btn-post-cta {
    width: 100%;
    max-width: 280px;
    padding: 12px 20px;
  }
  .article-pager {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
    padding-top: 18px;
  }
  .pager-box {
    padding: 12px 14px;
  }
  .pager-box.next {
    text-align: left;
  }
  .related-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .related-list a {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.38rem;
  }
  .hero-logo-img {
    width: 130px;
  }
  .article-header h1 {
    font-size: 1.38rem;
  }
  .logo-area {
    font-size: 1.15rem;
  }
  .logo-badge {
    font-size: 0.7rem;
    padding: 1px 5px;
  }
}