/* ==========================================================================
   樱花猫 (SakuraCat) - 日式侘寂编辑风样式表
   配色：
     暖纸白 (Paper White): #F7F3EE (背景)
     墨黑 (Sumi Black): #211D1A (主文字)
     深墨灰 (Muted Ink): #5C5651 (次级正文)
     发丝线 (Hairline): #E5DFD5 (纯色边框)
     发丝暗线 (Subtle Line): rgba(33, 29, 26, 0.08)
     樱花粉 (Sakura Pink): #E58B9C (唯一主强调色)
     深玫瑰 (Deep Rose): #B4455E (悬停交互态)
     淡和纸 (Subtle Tint): #EFEAE2 (卡片背景与浅底)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&display=swap');

:root {
  --bg-paper: #F7F3EE;
  --bg-card: #FAF7F2;
  --bg-subtle: #EFEAE2;
  --text-main: #211D1A;
  --text-muted: #5C5651;
  --text-light: #8E877F;
  --accent-sakura: #E58B9C;
  --accent-rose: #B4455E;
  --hairline: #E5DFD5;
  --hairline-soft: rgba(33, 29, 26, 0.08);

  --font-serif: "Cormorant Garamond", "ZCOOL XiaoWei", "Songti SC", "SimSun", "STSong", serif;
  --font-sans: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-chinese-title: "ZCOOL XiaoWei", "Cormorant Garamond", "Songti SC", "SimSun", serif;

  --container-width: 1160px;
  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-paper);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg-paper);
  overflow-x: hidden;
  position: relative;
}

/* 链接基础样式 */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

/* 容器与版心 */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* 发丝线分割 */
.hairline-divider {
  width: 100%;
  height: 1px;
  background-color: var(--hairline);
  margin: 0;
  border: none;
}

/* 侘寂排版规范 */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  text-align: center;
  margin-bottom: 12px;
}

.section-kicker {
  display: block;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-rose);
  margin-bottom: 8px;
}

.section-subtext {
  text-align: center;
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 50px auto;
  font-weight: 300;
}

/* 描边胶囊按钮系统 */
.btn-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 28px;
  border-radius: 9999px;
  border: 1px solid var(--text-main);
  background-color: transparent;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.btn-capsule:hover {
  background-color: var(--accent-sakura);
  border-color: var(--accent-sakura);
  color: #FFFFFF;
}

.btn-capsule-accent {
  border-color: var(--accent-sakura);
  color: var(--text-main);
  background-color: rgba(229, 139, 156, 0.1);
}

.btn-capsule-accent:hover {
  background-color: var(--accent-sakura);
  border-color: var(--accent-sakura);
  color: #FFFFFF;
}

.btn-capsule-filled {
  background-color: var(--text-main);
  border-color: var(--text-main);
  color: var(--bg-paper);
}

.btn-capsule-filled:hover {
  background-color: var(--accent-rose);
  border-color: var(--accent-rose);
  color: #FFFFFF;
}

/* 导航栏 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(247, 243, 238, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
  transition: var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.brand-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-sakura);
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-rose);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--accent-rose);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 花瓣微动效背景 */
.petals-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.petal {
  position: absolute;
  top: -20px;
  background: #E58B9C;
  border-radius: 150% 0 150% 0;
  opacity: 0.45;
  filter: drop-shadow(0 0 2px rgba(229, 139, 156, 0.2));
  animation-name: petalFall;
  animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  animation-iteration-count: infinite;
}

.petal:nth-child(1) { left: 8%; width: 11px; height: 16px; animation-duration: 11s; animation-delay: 0s; transform: rotate(15deg); }
.petal:nth-child(2) { left: 24%; width: 9px; height: 13px; animation-duration: 14s; animation-delay: 2.5s; opacity: 0.35; transform: rotate(-25deg); }
.petal:nth-child(3) { left: 45%; width: 12px; height: 17px; animation-duration: 10s; animation-delay: 4.8s; opacity: 0.5; transform: rotate(35deg); }
.petal:nth-child(4) { left: 63%; width: 8px; height: 12px; animation-duration: 13s; animation-delay: 1.2s; opacity: 0.3; transform: rotate(-15deg); }
.petal:nth-child(5) { left: 78%; width: 10px; height: 15px; animation-duration: 12s; animation-delay: 3.4s; opacity: 0.4; transform: rotate(45deg); }
.petal:nth-child(6) { left: 91%; width: 9px; height: 14px; animation-duration: 15s; animation-delay: 5.9s; opacity: 0.35; transform: rotate(-35deg); }

@keyframes petalFall {
  0% {
    top: -20px;
    transform: translateX(0) rotate(0deg);
  }
  50% {
    transform: translateX(35px) rotate(160deg);
  }
  100% {
    top: 105%;
    transform: translateX(-25px) rotate(340deg);
  }
}

/* 主视觉 Hero 区域 */
.hero-section {
  position: relative;
  padding: 85px 0 95px 0;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 36px;
  align-items: center;
}

/* 竖排日文点缀 */
.vertical-japanese {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  letter-spacing: 0.38em;
  color: var(--accent-rose);
  border-left: 1px solid var(--hairline);
  padding-left: 18px;
  height: 280px;
  display: flex;
  align-items: center;
  opacity: 0.85;
}

.hero-content {
  max-width: 920px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  border: 1px solid var(--hairline);
  border-radius: 9999px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background-color: var(--bg-card);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-sakura);
}

.hero-title {
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-title .brand-accent {
  color: var(--accent-rose);
  font-style: italic;
  font-weight: 400;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 36px;
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid var(--hairline);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-light);
  letter-spacing: 0.02em;
}

/* 核心优势板块 */
.features-section {
  padding: 95px 0;
  border-bottom: 1px solid var(--hairline);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--hairline);
  padding: 38px 30px;
  border-radius: 2px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-card:hover {
  border-color: var(--accent-sakura);
  transform: translateY(-2px);
}

.feature-number {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--accent-rose);
  opacity: 0.85;
  margin-bottom: 18px;
}

.feature-title {
  font-size: 1.35rem;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 流媒体与 AI 支持图卡 */
.support-section {
  padding: 95px 0;
  border-bottom: 1px solid var(--hairline);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.support-box {
  background-color: var(--bg-card);
  border: 1px solid var(--hairline);
  padding: 40px 34px;
}

.support-box-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline-soft);
}

.support-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-rose);
}

.support-box-title {
  font-size: 1.4rem;
}

.support-items-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.support-item-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background-color: var(--bg-paper);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.support-item-pill svg {
  width: 16px;
  height: 16px;
  color: var(--accent-rose);
}

/* 价格对比表板块 */
.pricing-section {
  padding: 95px 0;
  border-bottom: 1px solid var(--hairline);
}

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

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--hairline);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.featured {
  border-color: var(--accent-sakura);
  background-color: #FCFAF6;
}

.pricing-tag {
  position: absolute;
  top: -12px;
  right: 28px;
  background-color: var(--accent-rose);
  color: #FFFFFF;
  font-size: 0.75rem;
  padding: 3px 12px;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.plan-summary {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 24px;
}

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

.currency {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--text-main);
}

.price-val {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1;
}

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

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

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.plan-feature-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-rose);
  margin-top: 3px;
  flex-shrink: 0;
}

/* 用户评价板块 */
.reviews-section {
  padding: 95px 0;
  border-bottom: 1px solid var(--hairline);
}

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

.review-card {
  background-color: var(--bg-card);
  border: 1px solid var(--hairline);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: var(--accent-sakura);
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 22px;
  font-style: italic;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--hairline-soft);
  padding-top: 14px;
}

.reviewer-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-subtle);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--accent-rose);
}

.reviewer-info h4 {
  font-size: 0.95rem;
  font-weight: 500;
}

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

/* 常见问题解答 FAQ 板块 */
.faq-section {
  padding: 95px 0;
  border-bottom: 1px solid var(--hairline);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 24px 0;
  font-family: var(--font-sans);
  font-size: 1.12rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  color: var(--accent-rose);
}

.faq-toggle-icon {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-light);
  transition: transform 0.25s ease;
}

.faq-item details summary {
  list-style: none;
  cursor: pointer;
  outline: none;
}

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

.faq-answer {
  padding-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* 页脚 Footer - 极简四项打开新页 */
.site-footer {
  padding: 60px 0 70px 0;
  background-color: var(--bg-paper);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.footer-nav-link {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 400;
  position: relative;
  padding: 4px 0;
}

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

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

/* 内容页面通用样式 (关于我们/条款/隐私/资讯) */
.page-header {
  padding: 70px 0 50px 0;
  border-bottom: 1px solid var(--hairline);
  text-align: center;
}

.page-title {
  margin-bottom: 14px;
}

.page-content {
  padding: 70px 0 100px 0;
}

.prose {
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.prose h2 {
  text-align: left;
  font-size: 1.6rem;
  margin-top: 48px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  color: var(--text-main);
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text-main);
}

.prose p {
  margin-bottom: 20px;
}

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

.prose li {
  margin-bottom: 8px;
}

.prose a {
  color: var(--accent-rose);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.prose a:hover {
  color: var(--accent-sakura);
}

.prose blockquote {
  border-left: 2px solid var(--accent-sakura);
  padding-left: 20px;
  margin: 28px 0;
  color: var(--text-main);
  font-style: italic;
  background-color: var(--bg-card);
  padding: 16px 20px;
}

/* 资讯列表卡片 */
.article-card {
  border: 1px solid var(--hairline);
  background-color: var(--bg-card);
  padding: 36px 32px;
  margin-bottom: 32px;
  transition: var(--transition-smooth);
}

.article-card:hover {
  border-color: var(--accent-sakura);
}

.article-meta {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.article-card-title {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

/* 响应式断点适配 */
@media (max-width: 992px) {
  .features-grid, .pricing-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid {
    grid-template-columns: 50px 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .nav-menu {
    display: none; /* 移动端精简模式，保持秒开与纯粹 */
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .vertical-japanese {
    display: none; /* 移动端隐藏竖排装点，避免挤压空间 */
  }
  .features-grid, .pricing-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-capsule {
    width: 100%;
    text-align: center;
    padding: 14px 20px; /* 便于手指点击 */
  }
  .support-items-list {
    grid-template-columns: 1fr;
  }
}