@charset "UTF-8";

:root {
  --color-primary: #FF6B8A;
  --color-primary-dark: #FF4081;
  --color-primary-light: #FFF0F3;
  --color-accent: #7B68EE;
  --color-accent-dark: #5A4FCF;
  --color-accent-light: #F0F0FF;
  --color-bg: #FAFAFE;
  --color-white: #FFFFFF;
  --color-text: #2D2D3F;
  --color-text-light: #6E6E8A;
  --color-text-muted: #9E9EB8;
  --color-border: #E8E8F0;
  --color-card: #FFFFFF;
  --color-success: #4CAF50;
  --color-warning: #FF9800;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.10);
  --shadow-xl: 0 12px 60px rgba(0,0,0,0.12);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-logo .logo-text {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu li a {
  display: block;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,138,0.4);
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.nav-mobile-download {
  display: none;
}

.hamburger:hover {
  background: var(--color-primary-light);
}

.hamburger i {
  display: block;
  width: 24px;
  height: 24px;
  background: url('../icons/menu.svg') center/contain no-repeat;
}

.hamburger.active i {
  background-image: url('../icons/close.svg');
}

.nav-menu.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 12px 0;
  z-index: 100;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-menu.open li a {
  padding: 14px 24px;
  border-radius: 0;
  font-size: 16px;
}

.hero {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  position: relative;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease backwards;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s 0.1s ease backwards;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
  animation: fadeInUp 0.6s 0.2s ease backwards;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 36px;
  animation: fadeInUp 0.6s 0.3s ease backwards;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.hero-stat .stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.4s ease backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-align: center;
  transition: all var(--transition-base);
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,138,0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255,107,138,0.45);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-outline {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
  transform: translateY(-3px);
}

.btn-outline:active {
  transform: translateY(-1px) scale(0.98);
}

.hero-visual {
  flex: 1;
  min-width: 0;
  animation: fadeInUp 0.8s 0.2s ease backwards;
}

.hero-gallery {
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  padding: 8px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) transparent;
  -webkit-scroll-snap-type: x mandatory;
}

.hero-gallery::-webkit-scrollbar {
  height: 6px;
}

.hero-gallery::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
}

.hero-gallery::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 3px;
}

.hero-gallery::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

.hero-gallery img {
  flex-shrink: 0;
  width: 220px;
  height: auto;
  max-height: 440px;
  border-radius: 5px;
  box-shadow: var(--shadow-md);
  scroll-snap-align: start;
  object-fit: cover;
}

.hero-bg-decor {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('../images/hero-bg.svg') center/cover no-repeat;
  opacity: 0.6;
  pointer-events: none;
  z-index: -1;
}

.features {
  background: var(--color-white);
}

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

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(180deg, var(--color-primary-light), transparent);
  transition: height var(--transition-base);
  z-index: 0;
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-icon i {
  display: block;
  width: 48px;
  height: 48px;
}

.feature-icon .i-book { background: url('../icons/icon-book.svg') center/contain no-repeat; }
.feature-icon .i-smart { background: url('../icons/icon-smart.svg') center/contain no-repeat; }
.feature-icon .i-speed { background: url('../icons/icon-speed.svg') center/contain no-repeat; }
.feature-icon .i-fdl { background: url('../icons/icon-download.svg') center/contain no-repeat; }
.feature-icon .i-palette { background: url('../icons/icon-palette.svg') center/contain no-repeat; }
.feature-icon .i-shield { background: url('../icons/icon-shield.svg') center/contain no-repeat; }

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.comics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.comic-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid var(--color-border);
}

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

.comic-card .comic-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--color-bg);
  transition: transform var(--transition-slow);
}

.comic-card:hover .comic-cover {
  transform: scale(1.05);
}

.comic-card .comic-info {
  padding: 16px;
}

.comic-card .comic-tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 8px;
}

.comic-card .comic-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.comic-card .comic-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.comic-card .comic-meta i {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: url('../icons/icon-star.svg') center/contain no-repeat;
}

.banner-card {
  grid-column: 1 / -1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.banner-card:hover {
  transform: translateY(-4px);
}

.banner-card img {
  width: 100%;
  height: auto;
}

.view-more {
  text-align: center;
  margin-top: 40px;
}

.download-section {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 50%, var(--color-primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.download-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,107,138,0.08), transparent 70%);
  border-radius: 50%;
  top: -100px;
  right: -100px;
}

.download-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(123,104,238,0.08), transparent 70%);
  border-radius: 50%;
  bottom: -100px;
  left: -100px;
}

.download-cards {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.download-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  text-align: center;
  flex: 1;
  min-width: 280px;
  max-width: 380px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.download-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.download-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: height var(--transition-base);
}

.download-card.android::after {
  background: #A4C639;
}

.download-card.ios::after {
  background: #333333;
}

.download-card:hover::after {
  height: 6px;
}

.download-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.download-card:hover .download-icon {
  transform: scale(1.1) rotate(-5deg);
}

.download-card.android .download-icon {
  background: #F1F8E9;
}

.download-card.ios .download-icon {
  background: #F5F5F5;
}

.download-icon i {
  display: block;
  width: 40px;
  height: 40px;
}

.download-icon .i-android { background: url('../icons/android.svg') center/contain no-repeat; }
.download-icon .i-apple { background: url('../icons/apple.svg') center/contain no-repeat; }

.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-card .download-version {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.download-card .download-size {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.download-card .download-features {
  text-align: left;
  margin-bottom: 28px;
}

.download-card .download-features li {
  font-size: 13px;
  color: var(--color-text-light);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.download-card .download-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.download-card.android .download-features li::before {
  background: #A4C639;
}

.download-card.ios .download-features li::before {
  background: #333333;
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.download-btn.android-download-btn {
  background: linear-gradient(135deg, #8BC34A, #689F38);
  color: #fff;
  box-shadow: 0 4px 16px rgba(139,195,74,0.35);
}

.download-btn.android-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139,195,74,0.45);
}

.download-btn.ios-download-btn {
  background: linear-gradient(135deg, #424242, #212121);
  color: #fff;
  box-shadow: 0 4px 16px rgba(66,66,66,0.35);
}

.download-btn.ios-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(66,66,66,0.45);
}

.download-btn:active {
  transform: scale(0.96);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  gap: 16px;
  transition: color var(--transition-fast);
}

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

.faq-arrow {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq-arrow i {
  display: block;
  width: 24px;
  height: 24px;
  background: url('../icons/icon-chevron-down.svg') center/contain no-repeat;
  transition: transform var(--transition-base);
}

.faq-item.active .faq-arrow i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.testimonials {
  background: var(--color-white);
}

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

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}

.testimonial-stars .star {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url('../icons/icon-star.svg') center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(72%) sepia(75%) saturate(1200%) hue-rotate(2deg) brightness(105%) contrast(105%);
}

.testimonial-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-user-info {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex: 1;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-role {
  font-size: 12px;
  color: var(--color-text-muted);
}

.testimonial-user .avatar-icon {
  display: block;
  width: 44px;
  height: 44px;
  background: url('../icons/avatar.svg') center/contain no-repeat;
}

.nav-download-btn i {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url('../icons/icon-arrow-right.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
}

.btn-primary i {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url('../icons/icon-arrow-right.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
}

.btn-outline i {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url('../icons/icon-arrow-right.svg') center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(45%) sepia(71%) saturate(1200%) hue-rotate(310deg) brightness(101%) contrast(101%);
}

.download-btn i {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: url('../icons/icon-download.svg') center/contain no-repeat;
}

.footer-social a i {
  display: block;
  width: 20px;
  height: 20px;
}

.footer-social a .i-heart { background: url('../icons/icon-heart.svg') center/contain no-repeat; }
.footer-social a .i-fbook { background: url('../icons/icon-book.svg') center/contain no-repeat; }
.footer-social a .i-fsmart { background: url('../icons/icon-smart.svg') center/contain no-repeat; }

.hero-badge i {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url('../icons/icon-star.svg') center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(45%) sepia(71%) saturate(1200%) hue-rotate(310deg) brightness(101%) contrast(101%);
}

.site-footer {
  background: #1E1E2F;
  color: #C0C0D0;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.footer-logo .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: #9090A8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  font-size: 14px;
  color: #9090A8;
  transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: #6E6E8A;
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255,107,138,0.4);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255,107,138,0.5);
}

.back-to-top:active {
  transform: scale(0.9);
}

.back-to-top i {
  display: block;
  width: 20px;
  height: 20px;
  background: url('../icons/icon-chevron-down.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
  transform: rotate(180deg);
}

/* 星星样式 */
.aiarticle-comment-rating-icon{
    display:inline-block !important;
    width:auto !important;
    height:auto !important;
    margin-right:2px;
    color:#ffb400 !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
    vertical-align:middle;
    text-decoration:none !important;
}

.aiarticle-comment-rating-icon:before{
    font-family:Arial,"Segoe UI Symbol","Noto Sans Symbols","Microsoft YaHei",sans-serif !important;
    font-style:normal !important;
    font-weight:normal !important;
    line-height:1 !important;
}

.aiarticle-comment-rating-icon.fa-star:before{
    content:"\2605" !important;
}

.aiarticle-comment-rating-icon.fa-star-o:before{
    content:"\2606" !important;
}

.aiarticle-comment-rating-icon:last-child{
    margin-right:0;
}
/* 星星样式结束 */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1024px) {
  :root {
    --header-height: 64px;
  }

  .hero .container {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
    width: 100%;
    max-width: 100%;
  }

  .hero-desc {
    margin: 0 auto 32px;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-gallery img {
    width: 180px;
  }

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

  .comics-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-title {
    font-size: 26px;
  }

  .section-desc {
    font-size: 14px;
  }

  .nav-menu {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-mobile-download {
    display: flex;
    align-items: center;
    padding: 5px 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
  }

  .hero {
    padding-top: calc(var(--header-height) + 24px);
    padding-bottom: 48px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-gallery img {
    width: 160px;
  }

  .hero-bg-decor {
    display: none;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat .stat-num {
    font-size: 22px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .comics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .download-cards {
    gap: 20px;
  }

  .download-card {
    padding: 28px 24px;
    min-width: 100%;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 15px;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }

  .hero-gallery img {
    width: 140px;
  }

  .hero-stats {
    gap: 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .comics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .comic-card .comic-info {
    padding: 10px;
  }

  .comic-card .comic-title {
    font-size: 13px;
  }

  .download-card {
    padding: 24px 20px;
  }

  .section-tag {
    font-size: 12px;
    padding: 4px 14px;
  }
}