/* ==========================================================================
   慈善机场 (Charity Airport) - 官方推广落地页样式表
   设计风格：温润人文风，纸质暖色质感 (#faf3e9)，陶土红 (#c45a3a)，暖赭石 (#d99845)，鼠尾草绿 (#7a9a7b)
   纯原生CSS，零外部冗余库，极速秒开与高响应性能
   ========================================================================== */

:root {
  --bg-canvas: #faf3e9;
  --bg-card: #ffffff;
  --bg-card-alt: #fffdf9;
  --bg-subtle: #f4ecdf;
  --text-main: #2b2520;
  --text-muted: #6b635b;
  --text-light: #948b81;
  --primary-terracotta: #c45a3a;
  --primary-hover: #b04c2e;
  --primary-light: #fbeee9;
  --accent-ochre: #d99845;
  --accent-ochre-light: #fcf4e8;
  --accent-sage: #7a9a7b;
  --accent-sage-light: #eff5ee;
  --border-color: #ebdcc9;
  --border-light: #f3e9dc;
  --shadow-sm: 0 2px 6px rgba(43, 37, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(43, 37, 32, 0.08);
  --shadow-lg: 0 16px 36px rgba(43, 37, 32, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max-width: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}

img, svg {
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

/* 容器定义 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 顶部导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 243, 233, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: background-color 0.3s;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-terracotta), var(--accent-ochre));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(196, 90, 58, 0.25);
  flex-shrink: 0;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--primary-terracotta);
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-terracotta);
  transition: width 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-badge-link {
  color: var(--accent-ochre) !important;
  font-weight: 600 !important;
}

.header-action {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 按钮通用系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 11px 24px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-terracotta {
  background-color: var(--primary-terracotta);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(196, 90, 58, 0.28);
}

.btn-terracotta:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(196, 90, 58, 0.38);
}

.btn-ochre {
  background-color: var(--accent-ochre);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(217, 152, 69, 0.28);
}

.btn-ochre:hover {
  background-color: #c58739;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(217, 152, 69, 0.38);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main) !important;
}

.btn-outline:hover {
  border-color: var(--primary-terracotta);
  color: var(--primary-terracotta) !important;
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

.btn-pbn {
  background-color: #fff9f0;
  border: 1.5px solid var(--accent-ochre);
  color: #a36518 !important;
  font-weight: 600;
}

.btn-pbn:hover {
  background-color: var(--accent-ochre);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 152, 69, 0.28);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

/* 主视觉区 (Hero) */
.hero-section {
  padding: 60px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow-caption {
  display: inline-block;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--primary-terracotta);
  font-weight: 600;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: 2.85rem;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-headline .highlight-terracotta {
  color: var(--primary-terracotta);
  font-style: italic;
}

.hero-lead {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-quote-card {
  background-color: var(--bg-card);
  border-left: 4px solid var(--accent-ochre);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 24px;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.hero-quote-text {
  font-size: 0.96rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-quote-author {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

/* Hero 右侧插画卡片 */
.hero-visual-card {
  position: relative;
  background: linear-gradient(180deg, #fffcf7 0%, #fdf5ea 100%);
  border: 1px solid var(--border-color);
  border-radius: 180px 180px var(--radius-lg) var(--radius-lg);
  padding: 30px 24px 24px;
  box-shadow: var(--shadow-md);
  text-align: center;
  overflow: hidden;
}

.visual-artwork {
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
}

.visual-stamp {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--bg-canvas);
  border: 1.5px dashed var(--primary-terracotta);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--primary-terracotta);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* 数字故事带 (Story Strip) */
.story-strip-section {
  padding: 36px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.4);
}

.story-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.story-strip-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.strip-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-style: italic;
  font-weight: 700;
  color: var(--accent-ochre);
  line-height: 1;
  flex-shrink: 0;
}

.strip-content h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.strip-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 核心优势板块 (3个图文卡片) */
.section-block {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--primary-terracotta);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.icon-box-terracotta {
  background-color: var(--primary-light);
  color: var(--primary-terracotta);
}

.icon-box-ochre {
  background-color: var(--accent-ochre-light);
  color: var(--accent-ochre);
}

.icon-box-sage {
  background-color: var(--accent-sage-light);
  color: var(--accent-sage);
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--bg-canvas);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

/* 流媒体与AI支持卡片 */
.media-ai-section {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.media-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.media-badge-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
}

.bg-netflix { background-color: #e50914; }
.bg-youtube { background-color: #ff0000; }
.bg-disney { background-color: #113ccf; }
.bg-tiktok { background-color: #000000; }
.bg-chatgpt { background-color: #10a37f; }
.bg-claude { background-color: #d97706; }
.bg-midjourney { background-color: #5865f2; }
.bg-gemini { background-color: #4285f4; }

.media-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.media-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: #2e7d32;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: #2e7d32;
}

.media-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* 真实套餐价格对比表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--primary-terracotta);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-terracotta);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.pricing-intro {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-terracotta);
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-main);
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-light);
}

.pricing-features-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.pricing-features-list svg {
  color: var(--primary-terracotta);
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
}

/* 全宽引用条 (Quote Banner) */
.quote-banner {
  background-color: #f5ece0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 56px 0;
  text-align: center;
}

.quote-banner blockquote {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-style: italic;
  color: var(--text-main);
  max-width: 860px;
  margin: 0 auto 16px;
  line-height: 1.45;
}

.quote-banner cite {
  display: block;
  font-size: 0.95rem;
  color: var(--primary-terracotta);
  font-style: normal;
  font-weight: 600;
}

/* 三步使用 (Three Quiet Steps) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
}

.step-number-circle {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background-color: var(--accent-ochre-light);
  border: 2px solid var(--accent-ochre);
  color: var(--accent-ochre);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text-main);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 用户评价 (Testimonials) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.review-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-rating {
  color: #f59e0b;
  margin-bottom: 12px;
  font-size: 1rem;
}

.review-text {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary-terracotta);
}

.author-info h4 {
  font-size: 0.92rem;
  color: var(--text-main);
  font-weight: 600;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* 常见问题 (FAQ) */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-question-icon {
  color: var(--primary-terracotta);
  font-size: 1.1rem;
  font-weight: bold;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: 24px;
}

/* 底部居中呼吁区 (Manifest CTA) */
.manifest-cta-section {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-canvas) 0%, #f6ebe0 100%);
  border-top: 1px solid var(--border-color);
}

.manifest-title {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  color: var(--text-main);
  margin-bottom: 16px;
}

.manifest-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 30px;
  line-height: 1.7;
}

/* 页脚 (规范严格限定只保留4个标题，打开新页面) */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-canvas);
  padding: 32px 0;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 18px;
}

.footer-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 0;
}

.footer-nav a:hover {
  color: var(--primary-terracotta);
  text-decoration: underline;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* 资讯与内容页特有样式 */
.news-header-section {
  padding: 50px 0 30px;
  text-align: center;
}

.news-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.article-category {
  color: var(--primary-terracotta);
  font-weight: 600;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 12px;
}

.article-title a:hover {
  color: var(--primary-terracotta);
}

.article-excerpt {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.read-more-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-terracotta);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.read-more-link:hover {
  color: var(--primary-hover);
  gap: 8px;
}

/* 独立文章详情排版 */
.article-detail-wrap {
  max-width: 860px;
  margin: 40px auto 70px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.article-detail-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.article-detail-header h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 16px;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #38322e;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  color: var(--text-main);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--text-main);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

.article-body a {
  color: var(--primary-terracotta);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

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

.article-callout {
  background-color: var(--bg-canvas);
  border-left: 4px solid var(--primary-terracotta);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin: 28px 0;
}

.article-callout p {
  margin-bottom: 0;
  font-size: 0.98rem;
  color: var(--text-main);
}

/* 响应式媒体查询 (@media) */
@media (max-width: 992px) {
  .hero-headline {
    font-size: 2.35rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }
  .media-ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .nav-links {
    display: none; /* 移动端隐藏主导航链接，保持头部精简秒开 */
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual-card {
    border-radius: 120px 120px var(--radius-lg) var(--radius-lg);
    padding: 24px 18px;
  }
  .story-strip-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .article-detail-wrap {
    padding: 28px 20px;
    margin: 20px auto;
  }
  .article-detail-header h1 {
    font-size: 1.7rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero-headline {
    font-size: 1.95rem;
  }
  .hero-lead {
    font-size: 1rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
    padding: 13px 20px;
  }
  .media-ai-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
}