/* 纸巾云 PaperCloud - Super Cute Pastel Theme (可爱风 + 异构排版) */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&family=Quicksand:wght@500;600;700&display=swap');

:root {
  /* Pastel Cute Color Palette */
  --bg-main: #fff5F8;
  --bg-section-alt: #f0f7ff;
  --bg-card-pink: #fff0f5;
  --bg-card-mint: #f0fdf4;
  --bg-card-purple: #f5f3ff;
  --bg-card-peach: #fff7ed;
  --bg-card-blue: #f0f9ff;
  --bg-card-yellow: #fefce8;
  
  --cute-pink: #ff6b95;
  --cute-pink-soft: #ffb6c1;
  --cute-purple: #9d4edd;
  --cute-cyan: #38bdf8;
  --cute-mint: #2dd4bf;
  --cute-yellow: #fbbf24;
  --cute-peach: #ff8c42;

  --text-dark: #2d3748;
  --text-muted: #64748b;
  --text-soft: #8a99ad;

  --font-cute: 'Quicksand', 'Fredoka', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-bubble: 28px;
  --radius-card: 22px;
  --radius-pill: 50px;

  --shadow-cute: 0 12px 30px rgba(255, 107, 149, 0.15);
  --shadow-mint: 0 12px 30px rgba(45, 212, 191, 0.15);
  --shadow-purple: 0 12px 30px rgba(157, 78, 221, 0.15);
  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-cute);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 10% 20%, #ffe4e6 0%, transparent 40%),
              radial-gradient(circle at 90% 50%, #e0f2fe 0%, transparent 40%),
              radial-gradient(circle at 50% 85%, #f3e8ff 0%, transparent 50%),
              #fff5f8;
  background-attachment: fixed;
}

a {
  color: var(--cute-pink);
  text-decoration: none;
  transition: all 0.25s ease;
}

a:hover {
  color: #ff3366;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Cute Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.btn:hover {
  transform: translateY(-3px) scale(1.03);
}

.btn-cute-primary {
  background: linear-gradient(135deg, #ff6b95 0%, #ff88a5 100%);
  color: #ffffff !important;
  box-shadow: 0 8px 25px rgba(255, 107, 149, 0.4);
}

.btn-cute-primary:hover {
  box-shadow: 0 12px 30px rgba(255, 107, 149, 0.6);
}

.btn-cute-secondary {
  background: #ffffff;
  color: #475569 !important;
  border: 2px solid #e2e8f0;
}

.btn-cute-secondary:hover {
  background: #f8fafc;
  border-color: var(--cute-pink-soft);
  color: var(--cute-pink) !important;
}

.btn-cute-recommend {
  background: linear-gradient(135deg, #9d4edd 0%, #c77dff 100%);
  color: #ffffff !important;
  box-shadow: 0 8px 25px rgba(157, 78, 221, 0.35);
}

.btn-cute-recommend:hover {
  box-shadow: 0 12px 30px rgba(157, 78, 221, 0.55);
}

/* Cute Badges & Headers */
.cute-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  background: #ffffff;
  border: 2px dashed var(--cute-pink-soft);
  color: var(--cute-pink);
  box-shadow: 0 4px 12px rgba(255, 182, 193, 0.3);
}

.text-pink-gradient {
  background: linear-gradient(135deg, #ff6b95, #ff88a5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-purple-gradient {
  background: linear-gradient(135deg, #9d4edd, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(255, 245, 248, 0.85);
  border-bottom: 2px solid rgba(255, 182, 193, 0.3);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  color: #2d3748;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 16px;
  background: #ffffff;
  padding: 4px;
  box-shadow: 0 6px 16px rgba(255, 107, 149, 0.25);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover .brand-logo {
  transform: rotate(-10deg) scale(1.1);
}

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

.nav-links a {
  color: var(--text-dark);
  font-weight: 700;
  font-size: 15px;
  padding: 8px 12px;
  border-radius: 12px;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  background: #ffe4e6;
  color: var(--cute-pink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* ==========================================================================
   LAYOUT STYLE 1: HERO SECTION (Asymmetric Split Layout)
   ========================================================================== */
.hero-asymmetric {
  padding: 70px 0 50px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-left-content {
  text-align: left; /* Left-aligned typography for Hero */
}

.hero-title-big {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: #1e293b;
  margin: 16px 0 20px;
}

.hero-sub-desc {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-right-card {
  position: relative;
  background: #ffffff;
  border: 3px solid #ffd1dc;
  border-radius: var(--radius-bubble);
  padding: 36px;
  box-shadow: var(--shadow-cute);
  text-align: center;
  transform: rotate(1.5deg);
  transition: transform 0.3s ease;
}

.hero-right-card:hover {
  transform: rotate(0deg) scale(1.02);
}

.floating-cloud-badge {
  position: absolute;
  top: -20px;
  right: -15px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 30px;
  box-shadow: 0 6px 15px rgba(251, 191, 36, 0.4);
  animation: floatBounce 3s infinite ease-in-out;
}

@keyframes floatBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.cute-stat-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.stat-pill-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: var(--bg-main);
  border-radius: 18px;
  text-align: left;
  border: 1px solid #fecdd3;
}

.stat-emoji {
  font-size: 28px;
  background: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* ==========================================================================
   LAYOUT STYLE 2: FEATURES SECTION (Alternating Zigzag Colorful Cards)
   ========================================================================== */
.section-features-zigzag {
  padding: 70px 0;
  background: #ffffff;
  border-radius: 40px;
  margin: 30px 0;
  box-shadow: var(--shadow-soft);
}

.section-title-center {
  text-align: center; /* Center-aligned typography for Features */
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-title-center h2 {
  font-size: 38px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 12px;
}

.zigzag-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.zigzag-card {
  border-radius: var(--radius-card);
  padding: 32px 26px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid transparent;
}

.zigzag-card:hover {
  transform: translateY(-8px);
}

/* Varying background colors & alignment for Zigzag cards */
.card-pink { background: var(--bg-card-pink); border-color: #fecdd3; text-align: left; }
.card-mint { background: var(--bg-card-mint); border-color: #a7f3d0; text-align: center; }
.card-purple { background: var(--bg-card-purple); border-color: #ddd6fe; text-align: right; }
.card-peach { background: var(--bg-card-peach); border-color: #fed7aa; text-align: left; }
.card-blue { background: var(--bg-card-blue); border-color: #bae6fd; text-align: center; }
.card-yellow { background: var(--bg-card-yellow); border-color: #fef08a; text-align: right; }

.zigzag-icon {
  font-size: 34px;
  margin-bottom: 16px;
  display: inline-block;
  padding: 10px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.06);
}

.zigzag-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #1e293b;
}

.zigzag-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   LAYOUT STYLE 3: PRICING SECTION (Asymmetrical Bouncy Tier Cards)
   ========================================================================== */
.section-pricing-bouncy {
  padding: 70px 0;
}

.section-title-right {
  text-align: right; /* Right-aligned typography for Pricing Header */
  margin-bottom: 50px;
}

.section-title-right h2 {
  font-size: 38px;
  font-weight: 800;
  color: #1e293b;
}

.pricing-bouncy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.cute-pricing-card {
  position: relative;
  background: #ffffff;
  border: 3px solid #e2e8f0;
  border-radius: var(--radius-bubble);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: center;
}

.cute-pricing-card:hover {
  transform: translateY(-10px) scale(1.02);
}

.cute-pricing-card.highlight {
  border-color: var(--cute-pink);
  background: #fff0f5;
  box-shadow: var(--shadow-cute);
  transform: scale(1.04);
}

.cute-pricing-card.highlight:hover {
  transform: scale(1.06) translateY(-8px);
}

.cute-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ff6b95, #ff88a5);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 18px;
  border-radius: 20px;
  box-shadow: 0 4px 10px rgba(255, 107, 149, 0.4);
}

.card-title-cute {
  font-size: 22px;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 6px;
}

.price-big-num {
  font-size: 44px;
  font-weight: 900;
  color: var(--cute-pink);
  margin: 16px 0;
}

.price-big-num span {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

.cute-feature-list {
  list-style: none;
  margin: 20px 0 30px;
  flex-grow: 1;
  text-align: left;
}

.cute-feature-list li {
  margin-bottom: 10px;
  font-size: 14px;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   LAYOUT STYLE 4: ARTICLES SECTION (Horizontal Magazine Cards)
   ========================================================================== */
.section-articles-magazine {
  padding: 70px 0;
  background: var(--bg-section-alt);
  border-radius: 40px;
}

.section-title-left {
  text-align: left; /* Left-aligned header for Articles */
  margin-bottom: 40px;
}

.magazine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.magazine-card {
  background: #ffffff;
  border-radius: var(--radius-card);
  padding: 24px;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.magazine-card:hover {
  border-color: var(--cute-pink-soft);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cute);
}

.magazine-tag {
  align-self: flex-start;
  padding: 4px 12px;
  background: #f1f5f9;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cute-purple);
  margin-bottom: 12px;
}

.magazine-card h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
}

.magazine-card h3 a {
  color: #1e293b;
}

.magazine-card h3 a:hover {
  color: var(--cute-pink);
}

.magazine-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

/* ==========================================================================
   LAYOUT STYLE 5: USER REVIEWS SECTION (Chat Bubble Testimonials)
   ========================================================================== */
.section-reviews-chat {
  padding: 70px 0;
}

.chat-reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.chat-bubble-card {
  position: relative;
  background: #ffffff;
  border: 2px solid #ffd1dc;
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow-cute);
  transition: transform 0.3s ease;
}

.chat-bubble-card:hover {
  transform: translateY(-5px) rotate(-1deg);
}

.chat-user-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.cute-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff88a5, #ff6b95);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(255, 107, 149, 0.3);
}

.chat-text {
  font-size: 14px;
  color: #334155;
  line-height: 1.6;
  background: #fff5f8;
  padding: 16px;
  border-radius: 18px;
}

/* ==========================================================================
   LAYOUT STYLE 6: FAQ SECTION (Rainbow Pastel Accordion Boxes)
   ========================================================================== */
.section-faq-rainbow {
  padding: 70px 0;
  background: #ffffff;
  border-radius: 40px;
}

.faq-rainbow-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-rainbow-item {
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
}

/* Rainbow header background colors for each FAQ item */
.faq-rainbow-item:nth-child(1) { border-color: #fecdd3; }
.faq-rainbow-item:nth-child(2) { border-color: #bae6fd; }
.faq-rainbow-item:nth-child(3) { border-color: #a7f3d0; }
.faq-rainbow-item:nth-child(4) { border-color: #ddd6fe; }
.faq-rainbow-item:nth-child(5) { border-color: #fef08a; }

.faq-rainbow-question {
  width: 100%;
  padding: 20px 24px;
  background: #fafafa;
  border: none;
  font-size: 17px;
  font-weight: 800;
  color: #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-cute);
}

.faq-rainbow-item:nth-child(1) .faq-rainbow-question { background: #fff0f5; }
.faq-rainbow-item:nth-child(2) .faq-rainbow-question { background: #f0f9ff; }
.faq-rainbow-item:nth-child(3) .faq-rainbow-question { background: #f0fdf4; }
.faq-rainbow-item:nth-child(4) .faq-rainbow-question { background: #f5f3ff; }
.faq-rainbow-item:nth-child(5) .faq-rainbow-question { background: #fefce8; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.faq-rainbow-item.active .faq-answer {
  max-height: 500px;
  padding: 16px 24px 24px;
}

/* CTA Card */
.article-cta-box {
  background: linear-gradient(135deg, #fff0f5, #f0f7ff);
  border: 3px dashed var(--cute-pink-soft);
  border-radius: var(--radius-bubble);
  padding: 36px;
  text-align: center;
  margin: 40px 0;
}

/* ==========================================================================
   LAYOUT STYLE 7: FOOTER (Wave Footer with PBN Links)
   ========================================================================== */
.site-footer {
  background: #1e1b4b;
  color: #c7d2fe;
  padding: 60px 0 30px;
  margin-top: 80px;
  border-top-left-radius: 40px;
  border-top-right-radius: 40px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  font-size: 13px;
  color: #a5b4fc;
}

.friend-links-area {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  font-size: 12px;
}

.friend-links-area a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s ease;
}

.friend-links-area a:hover {
  color: #ff88a5;
}

/* Article Detail Page Cute Customization */
.article-body {
  background: #ffffff;
  border-radius: 30px;
  border: 3px solid #fecdd3;
  padding: 40px;
  color: #334155;
  box-shadow: var(--shadow-cute);
}

.article-body h2 {
  color: #1e293b;
  font-size: 24px;
  margin: 28px 0 14px;
  border-bottom: 2px dashed #fecdd3;
  padding-bottom: 8px;
}

.article-body h3 {
  color: var(--cute-pink);
  font-size: 19px;
  margin: 20px 0 10px;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-left-content { text-align: center; }
  .hero-btn-group { justify-content: center; }
  .section-title-right { text-align: center; }
}

/* Download Modal & Platform Buttons */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 16px;
  box-sizing: border-box;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-bubble);
  border: 3px solid #fecdd3;
  box-shadow: 0 20px 40px rgba(255, 107, 149, 0.22);
  width: 100%;
  max-width: 480px;
  padding: 32px 28px;
  position: relative;
  text-align: center;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-sizing: border-box;
}

.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f1f5f9;
  border: none;
  font-size: 20px;
  line-height: 1;
  color: #64748b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: #ffe4e6;
  color: var(--cute-pink);
  transform: rotate(90deg);
}

.modal-title {
  font-size: 24px;
  font-weight: 800;
  color: #1e293b;
  margin-top: 6px;
  margin-bottom: 8px;
}

.modal-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

.modal-download-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.btn-platform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.btn-platform-android {
  background: linear-gradient(135deg, #2dd4bf 0%, #059669 100%);
  color: #ffffff !important;
}

.btn-platform-android:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(45, 212, 191, 0.35);
}

.btn-platform-ios {
  background: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
  color: #ffffff !important;
}

.btn-platform-ios:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(56, 189, 248, 0.35);
}

.modal-footer-tip {
  font-size: 12px;
  color: var(--text-soft);
  line-height: 1.5;
}