/* ====================================================================
   IKUUU — 少女风甜系美学设计 (Soft Maiden / Blossom Aesthetic)
   Design Language: Soft Blossom / Sweet Chic / Gentle Pastel / Clean Minimal
   ==================================================================== */

:root {
  /* 少女心甜美色系：白桃浅粉底 + 柔和浆果字色 + 樱花粉 + 玫瑰粉 + 丁香紫 */
  --bg-body: #fff9fa;
  --bg-surface: #fff0f4;
  --bg-card: #ffffff;
  --bg-card-alt: #fdf5f7;
  
  --text-main: #28102a;
  --text-secondary: #583d5a;
  --text-muted: #8e7390;
  
  --accent: #ec4899;
  --accent-pink: #ec4899;
  --accent-rose: #f43f5e;
  --accent-blush: #f472b6;
  --accent-hover: #db2777;
  --accent-subtle: #fce7f3;
  --accent-soft: #fdf2f8;
  
  --border-color: #fbcfe8;
  --border-dark: #f472b6;
  --border-subtle: #fdf2f8;
  --border-active: #ec4899;
  
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  --container-max: 1120px;
  
  --font-serif: "Songti SC", "SimSun", "STSong", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-main);
  background-color: var(--bg-body);
  background-image: radial-gradient(rgba(236, 72, 153, 0.05) 1.5px, transparent 0);
  background-size: 24px 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* 布局版心 */
.site-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 顶部导航 Header - 柔光磨砂 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 249, 250, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  letter-spacing: 0.04em;
}

.brand-logo:hover {
  color: var(--accent);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  color: #ffffff;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(236, 72, 153, 0.28);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-item a {
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none !important;
  padding: 8px 4px;
  transition: color 0.15s ease;
  position: relative;
}

.nav-item a:hover {
  color: var(--accent);
}

.nav-item a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.2s ease;
  border-radius: var(--radius-pill);
}

.nav-item a:hover::after {
  width: 100%;
}

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

.nav-toggle-btn {
  display: none;
  padding: 6px;
  color: var(--text-main);
  line-height: 0;
}

/* 按钮规范 - 圆润糖果质感 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  padding: 10px 26px;
  min-height: 44px;
  transition: all 0.25s ease;
  text-align: center;
  text-decoration: none !important;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  color: #ffffff !important;
  border: 1px solid #ec4899;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.26);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #db2777, #e11d48);
  border-color: #db2777;
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.36);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main) !important;
  border: 1.5px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(236, 72, 153, 0.06);
}

.btn-secondary:hover {
  background-color: var(--accent-subtle);
  border-color: var(--accent-pink);
  color: var(--accent) !important;
}

/* 章节标识徽章 */
.site-section {
  padding-top: 76px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.site-section-alt {
  background-color: var(--bg-surface);
}

.chapter-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-pink);
  background-color: var(--accent-subtle);
  padding: 3px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.15rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Hero 区块 - 甜心梦幻主屏 */
.hero-area {
  padding-top: 72px;
  padding-bottom: 80px;
  background-color: var(--bg-body);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

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

.hero-coord-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-pink);
  background-color: var(--accent-subtle);
  border: 1px solid rgba(236, 72, 153, 0.25);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.coord-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #ec4899;
  animation: coordPulse 2s ease-in-out infinite;
}

@keyframes coordPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1.28;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -0.015em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-cta-box {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-trust-list {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-item svg {
  color: var(--accent-pink);
}

/* Hero 状态仪表板 - 柔美粉调 */
.hero-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 8px 30px rgba(236, 72, 153, 0.08);
  position: relative;
  transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.25s ease;
  transform-style: preserve-3d;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 18px;
}

.panel-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ec4899;
  position: relative;
}

.status-indicator::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid #ec4899;
  animation: radarSweep 2.4s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  pointer-events: none;
}

@keyframes radarSweep {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.8); opacity: 0; }
}

.panel-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-pink);
  background-color: var(--accent-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
}

.metric-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent-pink);
}

.panel-specs {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-color);
}

.panel-specs span {
  display: block;
}

/* 滚动指示器 */
.hero-scroll-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-pink);
  margin-top: 36px;
}

/* 兼容性模块 (流媒体与 AI) */
.compatibility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.comp-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.comp-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.comp-title svg {
  color: var(--accent-pink);
}

.comp-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 22px;
}

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

.tag-item {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent-pink);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}

/* 特性卡网格 (6张粉萌卡片) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.feature-specimen-id {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-blush);
  letter-spacing: 0.06em;
}

.feature-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background-color: var(--accent-subtle);
  color: var(--accent-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-name {
  font-family: var(--font-serif);
  font-size: 1.225rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 使用场景卡 (4张场景卡) */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.scenario-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.scenario-device {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-pink);
  background-color: var(--accent-subtle);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.scenario-heading {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.scenario-body {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 套餐定价卡 (3档) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.pricing-item-featured {
  border: 2px solid var(--accent-pink);
  box-shadow: 0 8px 30px rgba(236, 72, 153, 0.15);
  background: linear-gradient(180deg, #ffffff 0%, #fff9fb 100%);
}

.featured-ribbon {
  position: absolute;
  top: -13px;
  left: 24px;
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(236, 72, 153, 0.3);
}

.tier-audience {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.tier-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

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

.price-currency {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent-pink);
  margin-right: 2px;
}

.price-figure {
  font-family: var(--font-mono);
  font-size: 2.35rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1;
}

.price-cycle {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.feature-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.feature-line svg {
  flex-shrink: 0;
  color: var(--accent-pink);
  margin-top: 3px;
}

.pricing-item .btn {
  width: 100%;
}

/* FAQ 手风琴列表 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 840px;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(236, 72, 153, 0.03);
}

.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  transition: background-color 0.15s ease;
}

.faq-toggle:hover {
  background-color: var(--bg-surface);
}

.faq-toggle svg {
  flex-shrink: 0;
  color: var(--accent-blush);
  transition: transform 0.25s ease;
}

.faq-item.active .faq-toggle svg {
  transform: rotate(180deg);
  color: var(--accent-pink);
}

.faq-content {
  display: none;
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  border-top: 1px solid transparent;
}

.faq-item.active .faq-content {
  display: block;
  border-top-color: var(--border-color);
  padding-top: 18px;
}

/* Final CTA 唤醒模块 */
.final-cta-area {
  padding: 84px 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.final-cta-inner {
  max-width: 660px;
  margin: 0 auto;
}

.final-cta-title {
  font-family: var(--font-serif);
  font-size: 2.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.final-cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}

/* 页脚 Footer */
.site-footer {
  padding: 52px 0 36px 0;
  background-color: var(--bg-body);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none !important;
}

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

.footer-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-copy {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 移动端吸底 CTA 栏 */
.mobile-bottom-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background-color: rgba(255, 249, 250, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  padding: 10px 16px;
  box-shadow: 0 -2px 14px rgba(236, 72, 153, 0.1);
}

.mobile-bottom-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-cta-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.mobile-cta-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mobile-cta-btn {
  padding: 8px 20px;
  min-height: 38px;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* 面包屑导航 Breadcrumb */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumb-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--border-dark);
}

/* 文章详情页与静态政策页排版 */
.article-page, .policy-page {
  padding: 48px 0 80px 0;
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.article-h1 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.825rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-lead {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border-left: 3px solid var(--accent-pink);
  padding: 18px 22px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 36px;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-secondary);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 42px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 26px;
  margin-bottom: 12px;
}

.article-body p {
  margin-bottom: 22px;
}

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

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

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

.article-cta-box {
  margin-top: 48px;
  padding: 36px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.05);
}

.article-cta-box h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.article-cta-box p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.article-links-box {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.article-links-box h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.article-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-links-list li a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--accent);
}

/* 指南聚合页 Grid */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.guide-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.guide-card:hover {
  border-color: var(--accent-pink);
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.12);
  transform: translateY(-4px);
}

.guide-badge {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-pink);
  background-color: var(--accent-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 14px;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

.guide-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.4;
}

.guide-title a {
  color: var(--text-main);
  text-decoration: none !important;
}

.guide-title a:hover {
  color: var(--accent);
}

.guide-desc {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
  flex-grow: 1;
}

.guide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

/* 政策页与地图页排版 */
.policy-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 38px;
  line-height: 1.85;
  color: var(--text-secondary);
  box-shadow: 0 4px 16px rgba(236, 72, 153, 0.04);
}

.policy-content h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 30px;
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.policy-content p {
  margin-bottom: 16px;
}

.policy-content ul {
  margin-bottom: 18px;
  padding-left: 20px;
}

.policy-content li {
  margin-bottom: 6px;
}

/* 响应式媒体查询 */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .guides-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  
  .hero-title {
    font-size: 2.15rem;
  }
  
  .section-title {
    font-size: 1.65rem;
  }
  
  .compatibility-grid, .scenarios-grid, .features-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    background-color: var(--bg-body);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 8px 20px rgba(236, 72, 153, 0.08);
    gap: 16px;
  }
  
  .nav-menu.is-open {
    display: flex;
  }
  
  .nav-toggle-btn {
    display: block;
  }
  
  .header-actions .btn {
    display: none;
  }
  
  .mobile-bottom-cta {
    display: block;
  }
  
  body {
    padding-bottom: 64px;
  }
}

/* ====================================================================
   MOTION & MICRO-INTERACTIONS (动画与少女风动效层)
   ==================================================================== */

/* 卡片交错渐入 Motion */
.motion-init {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--motion-stagger, 0s);
  will-change: opacity, transform;
}

.motion-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 卡片悬浮升起与柔和粉芒深感 */
.feature-item, .scenario-card, .comp-card, .pricing-item, .guide-card {
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.28s ease;
}

.feature-item:hover, .scenario-card:hover, .comp-card:hover, .guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blush);
  box-shadow: 0 10px 24px rgba(236, 72, 153, 0.12);
}

.pricing-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(236, 72, 153, 0.18);
}

/* Hero 滚动提示微动效 */
.hero-scroll-indicator svg {
  animation: scrollBob 2.2s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* 动态落樱花瓣画板 */
.petal-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 85;
  opacity: 0.8;
}

/* 无障碍：减少动效支持 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .motion-init {
    opacity: 1 !important;
    transform: none !important;
  }
  .petal-canvas {
    display: none !important;
  }
}