/* ==========================================================================
   GATERN - 新潮漫画风 (Neo-Brutalist Comic) 原生样式表
   零外部依赖 | 极速秒开 | 响应式完美适配
   ========================================================================== */

:root {
  --bg-primary: #FFFDF0;      /* 经典复古漫画淡黄底色 */
  --bg-card: #FFFFFF;
  --ink-black: #121212;      /* 粗重油墨黑 */
  --comic-yellow: #FFE500;   /* 爆炸能量黄 */
  --comic-cyan: #22E1FF;     /* 霓虹电光青 */
  --comic-pink: #FF3864;     /* 冲击波粉红 */
  --comic-green: #2BEE79;    /* 超级动力绿 */
  --comic-purple: #8B3DFF;   /* 异次元紫 */
  --text-main: #121212;
  --text-muted: #555555;
  --border-thick: 3px solid var(--ink-black);
  --border-thin: 2px solid var(--ink-black);
  --shadow-sm: 3px 3px 0px var(--ink-black);
  --shadow-md: 5px 5px 0px var(--ink-black);
  --shadow-lg: 8px 8px 0px var(--ink-black);
  --radius-comic: 12px;
  --radius-pill: 999px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-stack);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.6;
  min-height: 100vh;
  /* 漫画半色调点状背景 (纯 CSS 绘制，零加载延迟) */
  background-color: var(--bg-primary);
  background-image: radial-gradient(var(--ink-black) 1px, transparent 1px);
  background-size: 26px 26px;
  background-position: 0 0;
  position: relative;
  overflow-x: hidden;
}

/* 容器排版 */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 漫画风通用组件 */
.comic-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--comic-yellow);
  color: var(--ink-black);
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  text-transform: uppercase;
}

.comic-box {
  background: var(--bg-card);
  border: var(--border-thick);
  border-radius: var(--radius-comic);
  box-shadow: var(--shadow-md);
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.comic-box:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

/* 按钮规范 */
.comic-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  border: var(--border-thick);
  box-shadow: var(--shadow-md);
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.comic-btn-primary {
  background: var(--comic-yellow);
  color: var(--ink-black);
}

.comic-btn-primary:hover {
  background: #FFE000;
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.comic-btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--ink-black);
}

.comic-btn-pink {
  background: var(--comic-pink);
  color: #FFFFFF;
}

.comic-btn-pink:hover {
  background: #ff1c4f;
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.comic-btn-pink:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--ink-black);
}

.comic-btn-cyan {
  background: var(--comic-cyan);
  color: var(--ink-black);
}

.comic-btn-cyan:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-lg);
}

.comic-btn-sm {
  padding: 8px 18px;
  font-size: 0.95rem;
}

.comic-btn-lg {
  padding: 18px 38px;
  font-size: 1.25rem;
}

/* 顶部导航 */
.navbar {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin-bottom: 30px;
}

.nav-wrapper {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-black);
  font-size: 1.6rem;
  font-weight: 1000;
  letter-spacing: -0.5px;
}

.brand-logo .brand-tag {
  background: var(--comic-pink);
  color: #FFF;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 6px;
  border: var(--border-thin);
  box-shadow: 2px 2px 0 var(--ink-black);
  transform: rotate(-4deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-black);
  font-weight: 800;
  font-size: 1rem;
  position: relative;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--comic-pink);
}

.nav-links a.nav-highlight {
  background: var(--comic-yellow);
  padding: 4px 12px;
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 0 var(--ink-black);
}

.nav-links a.nav-highlight:hover {
  background: var(--comic-pink);
  color: #FFFFFF;
}

/* 主视觉区 (Hero Section) */
.hero-section {
  padding: 50px 0 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 1000;
  line-height: 1.15;
  color: var(--ink-black);
  letter-spacing: -1px;
}

.hero-title .highlight-yellow {
  background: var(--comic-yellow);
  padding: 2px 10px;
  border: var(--border-thin);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  display: inline-block;
  transform: rotate(-1.5deg);
}

.hero-title .highlight-cyan {
  background: var(--comic-cyan);
  padding: 2px 10px;
  border: var(--border-thin);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  display: inline-block;
  transform: rotate(1deg);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: #333333;
  line-height: 1.65;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 10px;
}

.hero-guarantee {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-black);
}

.guarantee-item span {
  font-size: 1.1rem;
}

/* 主视觉右侧：漫画风格实时状态面板 */
.hero-visual {
  position: relative;
}

.comic-card-board {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 26px;
  position: relative;
}

.comic-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-thin);
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.comic-status-pill {
  background: var(--comic-green);
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-weight: 900;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 2px 2px 0 var(--ink-black);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #000;
  border-radius: 50%;
  animation: comicBlink 1.2s infinite;
}

@keyframes comicBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

.stat-rows {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stat-item {
  background: var(--bg-primary);
  border: var(--border-thin);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-label {
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-value {
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--ink-black);
  background: #FFFFFF;
  border: var(--border-thin);
  padding: 2px 10px;
  border-radius: 6px;
  box-shadow: 2px 2px 0 var(--ink-black);
}

.hero-sticker-pow {
  position: absolute;
  top: -24px;
  right: -20px;
  background: var(--comic-pink);
  color: #FFF;
  font-weight: 1000;
  font-size: 1rem;
  padding: 10px 16px;
  border: var(--border-thick);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transform: rotate(12deg);
}

/* 核心板块标题 */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 1000;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* 核心优势卡片 */
.features-section {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  background: #FFFFFF;
}

.feature-icon-badge {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.bg-yellow { background: var(--comic-yellow); }
.bg-cyan   { background: var(--comic-cyan); }
.bg-pink   { background: var(--comic-pink); color: #fff; }
.bg-green  { background: var(--comic-green); }
.bg-purple { background: var(--comic-purple); color: #fff; }

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--ink-black);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  font-weight: 500;
}

/* 流媒体与 AI 支持版块 */
.stream-ai-section {
  padding: 60px 0;
}

.stream-ai-wrapper {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  padding: 44px;
  position: relative;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-top: 36px;
}

.showcase-col {
  background: var(--bg-primary);
  border: var(--border-thick);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.showcase-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.showcase-header h3 {
  font-size: 1.45rem;
  font-weight: 900;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.comic-pill-chip {
  background: #FFFFFF;
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 2px 2px 0 var(--ink-black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.showcase-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.showcase-perks li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
}

.showcase-perks li::before {
  content: "✔";
  color: var(--ink-black);
  background: var(--comic-green);
  border: var(--border-thin);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* 价格对比表 */
.pricing-section {
  padding: 60px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.pricing-card {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  background: #FFFDF4;
  border-color: var(--ink-black);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-6px);
}

.popular-ribbon {
  position: absolute;
  top: -16px;
  right: 20px;
  background: var(--comic-pink);
  color: #FFFFFF;
  font-weight: 1000;
  font-size: 0.85rem;
  padding: 6px 14px;
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transform: rotate(3deg);
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 1000;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 600;
}

.price-box {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.currency {
  font-size: 1.4rem;
  font-weight: 900;
}

.amount {
  font-size: 3.2rem;
  font-weight: 1000;
  line-height: 1;
}

.period {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 700;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  border-top: var(--border-thin);
  padding-top: 20px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
}

.plan-features li.off {
  color: #999999;
  text-decoration: line-through;
}

.pricing-card .comic-btn {
  width: 100%;
}

/* 用户评价 (Testimonials) */
.reviews-section {
  padding: 60px 0;
}

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

.review-bubble {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.star-rating {
  color: #FFB703;
  font-size: 1.2rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.98rem;
  line-height: 1.6;
  font-weight: 600;
  color: #222;
  margin-bottom: 20px;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: var(--border-thin);
  padding-top: 14px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: var(--border-thin);
  background: var(--comic-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 900;
}

.reviewer-info h3,
.reviewer-info h4 {
  font-size: 1rem;
  font-weight: 900;
  margin: 0;
}

.reviewer-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 700;
}

/* 常见问题 (FAQ - 原生 details/summary，零 JS 秒开) */
.faq-section {
  padding: 60px 0 90px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.15s ease;
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  background: #FFFDF2;
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 1.15rem;
  font-weight: 900;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

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

.faq-icon-arrow {
  display: inline-block;
  font-size: 1.2rem;
  font-weight: 1000;
  transition: transform 0.2s ease;
  background: var(--comic-yellow);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: var(--border-thin);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item[open] .faq-icon-arrow {
  transform: rotate(45deg);
  background: var(--comic-pink);
  color: #FFF;
}

.faq-content {
  padding: 0 24px 22px;
  font-size: 1rem;
  color: #444444;
  line-height: 1.7;
  font-weight: 500;
  border-top: 1px dashed #CCCCCC;
  margin-top: 4px;
  padding-top: 16px;
}

/* 底部 CTA 条幅 (Sticky/Banner) */
.pre-footer-cta {
  background: var(--comic-yellow);
  border: var(--border-thick);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 44px 30px;
  text-align: center;
  margin-bottom: 70px;
  position: relative;
}

.pre-footer-cta h2 {
  font-size: 2.4rem;
  font-weight: 1000;
  margin-bottom: 12px;
}

.pre-footer-cta p {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
}

/* 页脚 (规范：只保留四个标题，在新页面打开) */
.site-footer {
  background: #FFFFFF;
  border-top: var(--border-thick);
  padding: 40px 0 50px;
  margin-top: 40px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-nav-link {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--ink-black);
  text-decoration: none;
  padding: 8px 16px;
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  box-shadow: 2px 2px 0 var(--ink-black);
  background: var(--bg-primary);
  transition: all 0.15s ease;
}

.footer-nav-link:hover {
  background: var(--comic-yellow);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink-black);
}

.footer-copy {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 700;
}

/* 子页面专属样式 (关于我们、服务条款、隐私政策、网站地图) */
.subpage-header {
  padding: 40px 0 30px;
  text-align: center;
}

.subpage-body {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 40px;
  margin-bottom: 60px;
}

.subpage-body h2 {
  font-size: 1.6rem;
  font-weight: 1000;
  margin: 28px 0 12px;
  border-left: 6px solid var(--comic-yellow);
  padding-left: 12px;
}

.subpage-body h2:first-child {
  margin-top: 0;
}

.subpage-body p, .subpage-body li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333333;
  margin-bottom: 14px;
}

.subpage-body ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.alert-comic {
  background: #FFF9D2;
  border: var(--border-thin);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.sitemap-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.sitemap-card {
  border: var(--border-thin);
  border-radius: 12px;
  padding: 20px;
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

.sitemap-card h3 {
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.sitemap-card a {
  color: var(--ink-black);
  font-weight: 700;
  text-decoration: underline;
  display: block;
  margin-top: 6px;
}

/* ==========================================================================
   高科技网格卡片 (High-Tech Grid Cards) & 文章内容排版
   ========================================================================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.tech-card {
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.tech-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--comic-cyan), var(--comic-yellow), var(--comic-pink));
}

.tech-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-lg);
}

.tech-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 900;
  background: var(--bg-primary);
  border: var(--border-thin);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  box-shadow: 2px 2px 0 var(--ink-black);
  margin-bottom: 12px;
  width: fit-content;
}

.tech-card-title {
  font-size: 1.25rem;
  font-weight: 1000;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--ink-black);
}

.tech-card-title a {
  text-decoration: none;
  color: inherit;
  transition: color 0.15s ease;
}

.tech-card-title a:hover {
  color: var(--comic-pink);
}

.tech-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 500;
  margin-bottom: 18px;
  flex-grow: 1;
}

.tech-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: var(--border-thin);
  padding-top: 14px;
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: #666666;
}

.tech-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 900;
  color: var(--ink-black);
  text-decoration: none;
  background: var(--comic-yellow);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin);
  box-shadow: 2px 2px 0 var(--ink-black);
  transition: all 0.15s ease;
}

.tech-card-btn:hover {
  background: var(--comic-pink);
  color: #FFFFFF;
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--ink-black);
}

/* 文章详情页样式 */
.article-header {
  margin-bottom: 30px;
}

.article-title {
  font-size: 2.4rem;
  font-weight: 1000;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--ink-black);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-muted);
  padding-bottom: 20px;
  border-bottom: var(--border-thick);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #2b2b2b;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 1000;
  margin: 36px 0 16px;
  border-left: 6px solid var(--comic-pink);
  padding-left: 14px;
  color: var(--ink-black);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 900;
  margin: 24px 0 10px;
  color: #1a1a1a;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  padding-left: 26px;
  margin-bottom: 22px;
}

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

.article-body blockquote {
  background: #FFFDF0;
  border-left: 5px solid var(--comic-yellow);
  border-right: var(--border-thin);
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 22px 0;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: #FFFFFF;
  border: var(--border-thick);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-body th, .article-body td {
  padding: 12px 16px;
  border: var(--border-thin);
  text-align: left;
  font-size: 0.95rem;
}

.article-body th {
  background: var(--comic-yellow);
  font-weight: 900;
}

.seo-card-link {
  display: inline-block;
  font-weight: 900;
  color: var(--comic-pink);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: all 0.15s ease;
}

.seo-card-link:hover {
  background: var(--comic-yellow);
  color: var(--ink-black);
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 4px;
}

.article-back-bar {
  margin-bottom: 28px;
}

/* ==========================================================================
   响应式媒体查询 (@media) - 确保手机端完美单栏与舒适手指触控
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-6px);
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  /* 移动端导航优化：保留导航目录与推荐咨询入口，支持丝滑横向滑动 */
  .navbar {
    top: 8px;
    margin-bottom: 20px;
  }

  .nav-wrapper {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
    border-radius: 18px;
  }

  .nav-links {
    display: flex;
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding: 6px 2px 4px;
    gap: 16px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-top: 1px dashed #E0E0E0;
    margin-top: 4px;
  }

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

  .nav-links a {
    font-size: 0.92rem;
    white-space: nowrap;
  }

  /* 标题字体自适应 */
  .hero-title {
    font-size: 2.3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .comic-btn {
    width: 100%;
    min-height: 54px; /* 适合手指舒适点击 */
  }

  .hero-guarantee {
    flex-direction: column;
    gap: 10px;
  }

  /* 特性卡片与高科技网格转为单列 */
  .features-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .stream-ai-wrapper {
    padding: 24px 16px;
  }

  .showcase-col {
    padding: 18px 14px;
  }

  /* 按钮适配手机端高点击率触控 */
  .comic-btn {
    min-height: 48px;
  }

  .footer-nav {
    gap: 14px;
    flex-direction: column;
    width: 100%;
  }

  .footer-nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 20px;
  }

  .subpage-body {
    padding: 24px 18px;
  }

  .sitemap-links-grid {
    grid-template-columns: 1fr;
  }
}