/* ==========================================================================
   樱花猫 SakuraCat - 活泼贴纸手账波普风 原生样式表
   配色：
     - 奶油黄主背景: #FFF6E5
     - 墨蓝主文字与描边: #1B2A4A
     - 番茄红强调色: #FF5C4D
     - 薄荷绿次强调色: #3EC1A8
     - 樱花粉高光色: #FFB7C5
   无渐变、无模糊拟态，纯色3px硬描边 + 纯色硬阴影 + 贴纸微倾斜 + 胶囊挤压按钮
   ========================================================================== */

:root {
  --bg-cream: #FFF6E5;
  --text-navy: #1B2A4A;
  --accent-tomato: #FF5C4D;
  --accent-mint: #3EC1A8;
  --highlight-sakura: #FFB7C5;
  --card-white: #FFFFFF;
  --card-yellow: #FFF9E6;
  --border-width: 3px;
  --shadow-sm: 3px 3px 0px var(--text-navy);
  --shadow-md: 5px 5px 0px var(--text-navy);
  --shadow-lg: 8px 8px 0px var(--text-navy);
  --font-heading: "Baloo 2", "ZCOOL KuaiLe", "Comic Sans MS", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-cream);
  background-image: radial-gradient(rgba(27, 42, 74, 0.08) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  color: var(--text-navy);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 链接默认 */
a {
  color: inherit;
  text-decoration: none;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 贴纸波普徽章标签 */
.sticker-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--highlight-sakura);
  color: var(--text-navy);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 9999px;
  border: var(--border-width) solid var(--text-navy);
  box-shadow: var(--shadow-sm);
  transform: rotate(-1.5deg);
  margin-bottom: 12px;
}
.sticker-badge.green {
  background: var(--accent-mint);
  color: #FFFFFF;
  transform: rotate(1.5deg);
}
.sticker-badge.red {
  background: var(--accent-tomato);
  color: #FFFFFF;
  transform: rotate(-2deg);
}

/* 顶部导航栏 */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-cream);
  border-bottom: var(--border-width) solid var(--text-navy);
  padding: 12px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-navy);
  letter-spacing: 0.5px;
}
.site-brand-logo {
  width: 42px;
  height: 42px;
  border: var(--border-width) solid var(--text-navy);
  background: var(--highlight-sakura);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transform: rotate(-3deg);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}
.nav-links a {
  font-weight: 800;
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 9999px;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}
.nav-links a:hover {
  background: #FFF;
  border-color: var(--text-navy);
  box-shadow: 2px 2px 0px var(--text-navy);
  transform: translateY(-2px);
}
.nav-links a.active, .nav-links a.highlight {
  background: var(--accent-mint);
  color: #FFF;
  border: var(--border-width) solid var(--text-navy);
  box-shadow: 2px 2px 0px var(--text-navy);
}

/* 糖果胶囊按钮系统（点击挤压回弹，无渐变） */
.candy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 900;
  padding: 12px 26px;
  border-radius: 9999px;
  border: var(--border-width) solid var(--text-navy);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  user-select: none;
  text-align: center;
}
.candy-btn-red {
  background-color: var(--accent-tomato);
  color: #FFFFFF;
}
.candy-btn-green {
  background-color: var(--accent-mint);
  color: #FFFFFF;
}
.candy-btn-sakura {
  background-color: var(--highlight-sakura);
  color: var(--text-navy);
}
.candy-btn-white {
  background-color: #FFFFFF;
  color: var(--text-navy);
}
.candy-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--text-navy);
}
.candy-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px var(--text-navy);
}
.candy-btn-sm {
  font-size: 0.88rem;
  padding: 7px 16px;
  box-shadow: var(--shadow-sm);
}

/* 主视觉区 Hero Section */
.hero-section {
  padding: 55px 0 45px 0;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 2.85rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-navy);
  text-shadow: 2px 2px 0px var(--highlight-sakura);
}
.hero-subhead {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-tomato);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #334460;
  margin-bottom: 26px;
  background: #FFFFFF;
  padding: 16px 20px;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  transform: rotate(-0.5deg);
}
.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  align-items: center;
  margin-bottom: 22px;
}
.hero-pbn-btn {
  background-color: #FFFFFF;
  color: var(--text-navy);
  border: var(--border-width) solid var(--text-navy);
  box-shadow: var(--shadow-md);
}
.hero-pbn-btn:hover {
  background-color: #FFF9E6;
}
.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 800;
}
.hero-meta-item {
  background: #FFF;
  border: 2px solid var(--text-navy);
  padding: 4px 10px;
  border-radius: 8px;
  box-shadow: 2px 2px 0px var(--text-navy);
}

/* Hero 手绘画板卡片 */
.hero-card-art {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.5deg);
  position: relative;
}
.hero-badge-pin {
  position: absolute;
  top: -14px;
  right: 25px;
  background: var(--accent-tomato);
  color: #FFF;
  font-weight: 900;
  font-size: 0.85rem;
  padding: 4px 12px;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  transform: rotate(4deg);
}
.art-cat-svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}
.art-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
  text-align: center;
}
.art-spec-box {
  background: var(--card-yellow);
  border: 2px solid var(--text-navy);
  padding: 8px 4px;
  border-radius: 12px;
  box-shadow: 2px 2px 0px var(--text-navy);
}
.art-spec-val {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--accent-tomato);
}
.art-spec-label {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-navy);
}

/* 章节通用标题区（含手绘贴纸章节标记） */
.section-wrapper {
  padding: 55px 0;
  position: relative;
}
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 40px auto;
}
.section-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--highlight-sakura);
  border: var(--border-width) solid var(--text-navy);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  transform: rotate(-4deg);
}
.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-navy);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: #4A5B7A;
  line-height: 1.6;
}

/* 产品核心优势介绍（3个图文卡片） */
.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.feature-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 20px;
  padding: 26px 22px;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.feature-card:nth-child(1) {
  transform: rotate(-1.2deg);
}
.feature-card:nth-child(2) {
  transform: rotate(0.8deg);
  background: #FFFDF5;
}
.feature-card:nth-child(3) {
  transform: rotate(-0.7deg);
}
.feature-card:hover {
  transform: translateY(-5px) rotate(0deg);
  box-shadow: var(--shadow-lg);
}
.feature-icon-box {
  width: 60px;
  height: 60px;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.icon-box-mint {
  background: var(--accent-mint);
}
.icon-box-red {
  background: var(--accent-tomato);
}
.icon-box-pink {
  background: var(--highlight-sakura);
}
.feature-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-navy);
  margin-bottom: 10px;
}
.feature-card-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #374766;
}
.feature-pill-tag {
  display: inline-block;
  margin-top: 14px;
  background: var(--card-yellow);
  border: 2px solid var(--text-navy);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 8px;
}

/* 流媒体与 AI 支持图卡 */
.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}
.media-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.media-card:nth-child(1) {
  transform: rotate(0.6deg);
}
.media-card:nth-child(2) {
  transform: rotate(-0.8deg);
}
.media-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.media-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-navy);
}
.media-tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.media-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-cream);
  border: 2px solid var(--text-navy);
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 0.88rem;
  font-weight: 800;
  box-shadow: 2px 2px 0px var(--text-navy);
}

/* 套餐价格对比表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}
.pricing-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 22px;
  padding: 24px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pricing-card:nth-child(1) { transform: rotate(-0.8deg); }
.pricing-card:nth-child(2) { transform: rotate(0.6deg); }
.pricing-card:nth-child(3) { 
  transform: rotate(-1deg) scale(1.02); 
  border-color: var(--text-navy);
  background: #FFFDF4;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}
.pricing-card:nth-child(4) { transform: rotate(0.9deg); }
.pricing-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--shadow-lg);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-tomato);
  color: #FFF;
  font-size: 0.82rem;
  font-weight: 900;
  padding: 4px 12px;
  border-radius: 9999px;
  border: 2px solid var(--text-navy);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.plan-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  text-align: center;
  margin-top: 6px;
  margin-bottom: 8px;
}
.plan-price-box {
  text-align: center;
  background: var(--bg-cream);
  border: 2px solid var(--text-navy);
  border-radius: 14px;
  padding: 12px 6px;
  margin-bottom: 16px;
  box-shadow: 2px 2px 0px var(--text-navy);
}
.plan-currency {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent-tomato);
}
.plan-amount {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-tomato);
  line-height: 1;
}
.plan-cycle {
  font-size: 0.85rem;
  font-weight: 800;
  color: #556677;
}
.plan-features-list {
  list-style: none;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.plan-features-list li {
  padding: 6px 0;
  border-bottom: 1px dashed rgba(27, 42, 74, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-features-list li:last-child {
  border-bottom: none;
}
.check-icon {
  color: var(--accent-mint);
  font-weight: 900;
  font-size: 1.1rem;
}

/* 用户评价 (Testimonials) */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.review-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.review-card:nth-child(1) { transform: rotate(-1deg); }
.review-card:nth-child(2) { transform: rotate(1.2deg); }
.review-card:nth-child(3) { transform: rotate(-0.5deg); }
.review-user-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--text-navy);
  background: var(--highlight-sakura);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  box-shadow: 2px 2px 0px var(--text-navy);
}
.review-user-name {
  font-weight: 900;
  font-size: 0.98rem;
}
.review-user-role {
  font-size: 0.78rem;
  font-weight: 800;
  color: #667788;
}
.review-stars {
  color: #FFB800;
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.review-quote {
  font-size: 0.92rem;
  color: #374766;
  line-height: 1.6;
}

/* 常见问题解答 FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 16px;
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-md);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-navy);
  margin-bottom: 8px;
}
.faq-q-badge {
  background: var(--accent-tomato);
  color: #FFF;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
  border: 2px solid var(--text-navy);
}
.faq-answer {
  font-size: 0.95rem;
  color: #4A5B7A;
  line-height: 1.7;
  padding-left: 38px;
}

/* 页脚：极简四项要求，在新页面打开 */
.site-footer {
  background: #FFFFFF;
  border-top: var(--border-width) solid var(--text-navy);
  padding: 40px 0 30px 0;
  margin-top: 50px;
}
.footer-four-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  margin-bottom: 30px;
}
.footer-col {
  background: var(--bg-cream);
  border: var(--border-width) solid var(--text-navy);
  border-radius: 18px;
  padding: 18px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.footer-col:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: #FFFDF4;
}
.footer-link-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.footer-col p {
  font-size: 0.82rem;
  font-weight: 800;
  color: #6A7B9A;
  margin-top: 6px;
}
.footer-copyright {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #6A7B9A;
  border-top: 2px dashed rgba(27, 42, 74, 0.2);
  padding-top: 20px;
}

/* 资讯与文章页面专有样式 */
.article-header {
  text-align: center;
  padding: 40px 0 25px 0;
}
.article-meta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.9rem;
  font-weight: 800;
  color: #5A6B8A;
  margin-top: 12px;
}
.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 60px 20px;
}
.article-content-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 24px;
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
  font-size: 1.05rem;
  line-height: 1.85;
}
.article-content-card h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-navy);
  margin: 32px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 2px dashed var(--highlight-sakura);
}
.article-content-card h3 {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 900;
  color: var(--text-navy);
  margin: 22px 0 10px 0;
}
.article-content-card p {
  margin-bottom: 16px;
  color: #2D3E5D;
}
.article-content-card ul, .article-content-card ol {
  margin: 12px 0 18px 24px;
  color: #2D3E5D;
}
.article-content-card li {
  margin-bottom: 8px;
}
.article-callout {
  background: var(--bg-cream);
  border: var(--border-width) solid var(--text-navy);
  border-radius: 16px;
  padding: 18px 22px;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.article-callout-title {
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--accent-tomato);
  margin-bottom: 6px;
}
.article-inline-link {
  color: var(--accent-tomato);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.15s ease;
}
.article-inline-link:hover {
  color: var(--accent-mint);
}
.breadcrumb-nav {
  margin-bottom: 20px;
  font-size: 0.9rem;
  font-weight: 800;
}
.breadcrumb-nav a {
  color: var(--accent-tomato);
}

/* 资讯列表网格 */
.articles-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}
.article-list-card {
  background: #FFFFFF;
  border: var(--border-width) solid var(--text-navy);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.article-list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.article-list-title {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 900;
  color: var(--text-navy);
  margin-bottom: 10px;
  line-height: 1.4;
}
.article-list-desc {
  font-size: 0.92rem;
  color: #4A5B7A;
  line-height: 1.6;
  margin-bottom: 16px;
}

/* 响应式适配（移动端单栏，大热区按钮） */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .pricing-card:nth-child(3) {
    transform: none;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-four-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 680px) {
  html {
    font-size: 15px;
  }
  .header-inner {
    flex-direction: column;
    gap: 12px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
  .hero-text h1 {
    font-size: 2.1rem;
  }
  .hero-subhead {
    font-size: 1.15rem;
  }
  .hero-btn-group {
    flex-direction: column;
    align-items: stretch;
  }
  .candy-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 1.1rem;
  }
  .media-ai-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .footer-four-grid {
    grid-template-columns: 1fr;
  }
  .articles-list-grid {
    grid-template-columns: 1fr;
  }
  .article-content-card {
    padding: 24px 18px;
  }
}