@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:active,
a:focus {
  outline: none;
  background: transparent;
  -webkit-tap-highlight-color: transparent;
}

ul {
  list-style: none;
}

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

.icon-menu {
  background: url('../icons/menu.svg') center/contain no-repeat;
}

.icon-close {
  background: url('../icons/close.svg') center/contain no-repeat;
}

.icon-book {
  background: url('../icons/book.svg') center/contain no-repeat;
}

.icon-monitor {
  background: url('../icons/monitor.svg') center/contain no-repeat;
}

.icon-clock {
  background: url('../icons/clock.svg') center/contain no-repeat;
}

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

.icon-heart {
  background: url('../icons/heart.svg') center/contain no-repeat;
}

.icon-shield {
  background: url('../icons/shield.svg') center/contain no-repeat;
}

.icon-check {
  background: url('../icons/check.svg') center/contain no-repeat;
}

.icon-star {
  background: url('../icons/star.svg') center/contain no-repeat;
}

.icon-chevron-down {
  background: url('../icons/chevron-down.svg') center/contain no-repeat;
}

.icon-plus {
  background: url('../icons/plus.svg') center/contain no-repeat;
}

.icon-quote {
  background: url('../icons/quote.svg') center/contain no-repeat;
}

.icon-user {
  background: url('../icons/user.svg') center/contain no-repeat;
}

.icon-search {
  background: url('../icons/search.svg') center/contain no-repeat;
}

.icon-smartphone {
  background: url('../icons/smartphone.svg') center/contain no-repeat;
}

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

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

.icon-download-white {
  background: url('../icons/download.svg') center/contain no-repeat;
  filter: brightness(0) invert(1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  color: #333;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  font-size: 16px;
  color: #999;
  margin-bottom: 48px;
}

.section-title span {
  color: #FF7A3D;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #FF7A3D;
  flex-shrink: 0;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 15px;
  color: #555;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  transition: color 0.3s;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #FF7A3D;
  border-radius: 1px;
  transition: width 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #FF7A3D;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: #FFF5F0;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.menu-toggle i {
  width: 22px;
  height: 22px;
  display: block;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle.active .icon-menu {
  display: none;
}

.menu-toggle.active .icon-close {
  display: block;
}

.hero {
  padding: 120px 0 80px;
  background: linear-gradient(180deg, #FFF5F0 0%, #fff 100%);
  overflow: hidden;
}

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

.hero-content {
  flex: 1;
  max-width: 520px;
}

.hero-badge {
  display: inline-block;
  background: #FFE8D6;
  color: #FF7A3D;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 44px;
  font-weight: 800;
  color: #333;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-content h1 span {
  color: #FF7A3D;
}

.hero-content p {
  font-size: 17px;
  color: #777;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #FF7A3D, #FF9A62);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 122, 61, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(255, 122, 61, 0.45);
  transform: translateY(-2px);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-android {
  background: #333;
  color: #fff;
}

.btn-android:hover {
  background: #FF7A3D;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 61, 0.4);
}

.btn-android i {
  width: 22px;
  height: 22px;
  display: block;
}

.btn-apple {
  background: #333;
  color: #fff;
}

.btn-apple:hover {
  background: #555;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-apple i {
  width: 22px;
  height: 22px;
  display: block;
}

.btn-download img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-inner {
  position: relative;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, #FFE8D6, #E8F0FE);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 6s ease-in-out infinite;
}

.hero-image-inner img {
  width: 200px;
  height: 200px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 8px 32px rgba(255, 122, 61, 0.2);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}

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

.hero-stat .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #FF7A3D;
}

.hero-stat .stat-label {
  font-size: 13px;
  color: #999;
  margin-top: 4px;
}

.features {
  padding: 80px 0;
  background: #fff;
}

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

.feature-card {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: #FFE8D6;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-icon i {
  width: 30px;
  height: 30px;
  display: block;
}

.feature-icon.orange {
  background: #FFF5F0;
  color: #FF7A3D;
}

.feature-icon.blue {
  background: #E8F4FD;
  color: #5B9BD5;
}

.feature-icon.green {
  background: #E8F8EF;
  color: #4CAF84;
}

.feature-icon.purple {
  background: #F3ECFC;
  color: #8B6FCE;
}

.feature-icon.pink {
  background: #FDE8F0;
  color: #E8739E;
}

.feature-icon.teal {
  background: #E0F5F5;
  color: #4DB6AC;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #333;
}

.feature-card p {
  font-size: 14px;
  color: #999;
  line-height: 1.7;
}

.recommend {
  padding: 80px 0;
  background: #FAFAFA;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.manga-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
  border: 1px solid #f0f0f0;
}

.manga-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.manga-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}

.manga-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.manga-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #FF7A3D, #FF9A62);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
}

.manga-info {
  padding: 14px;
}

.manga-info h4 {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manga-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #aaa;
}

.manga-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #FFB800;
  font-weight: 600;
}

.manga-rating i {
  width: 14px;
  height: 14px;
  display: block;
}

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

.more-link a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #FF7A3D;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 28px;
  border: 2px solid #FFE8D6;
  border-radius: 24px;
  transition: all 0.3s;
}

.more-link a:hover {
  background: #FF7A3D;
  color: #fff;
  border-color: #FF7A3D;
}

.more-link i {
  width: 18px;
  height: 18px;
  display: block;
}

.app-intro {
  padding: 80px 0;
  background: #fff;
}

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

.app-intro-content {
  flex: 1;
}

.app-intro-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: #333;
  margin-bottom: 16px;
}

.app-intro-content h2 span {
  color: #FF7A3D;
}

.app-intro-content p {
  font-size: 16px;
  color: #777;
  line-height: 1.8;
  margin-bottom: 24px;
}

.app-intro-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app-intro-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: #555;
}

.app-intro-item i {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
  color: #FF7A3D;
}

.app-intro-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.app-intro-image img {
  max-width: 280px;
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.screenshots {
  padding: 80px 0;
  background: #FAFAFA;
}

.screenshots-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px;
}

.screenshots-scroll::-webkit-scrollbar {
  height: 6px;
}

.screenshots-scroll::-webkit-scrollbar-track {
  background: #f0f0f0;
  border-radius: 3px;
}

.screenshots-scroll::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 3px;
}

.screenshot-item {
  flex: 0 0 auto;
  width: 240px;
  scroll-snap-align: start;
}

.screenshot-item img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.screenshot-item img:hover {
  transform: scale(1.03);
}

.reviews {
  padding: 80px 0;
  background: #fff;
}

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

.review-card {
  background: #FAFAFA;
  border-radius: 20px;
  padding: 28px;
  transition: all 0.3s;
  border: 1px solid #f0f0f0;
}

.review-card:hover {
  background: #fff;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.review-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-user h5 {
  font-size: 15px;
  font-weight: 600;
  color: #333;
}

.review-stars {
  display: flex;
  gap: 2px;
  margin-top: 4px;
}

.review-stars i {
  width: 14px;
  height: 14px;
  display: block;
  color: #FFB800;
}

.review-text {
  font-size: 14px;
  color: #777;
  line-height: 1.8;
  font-style: italic;
  position: relative;
  padding-left: 16px;
  border-left: 3px solid #FFE8D6;
}

.download {
  padding: 80px 0;
  background: linear-gradient(180deg, #FFF5F0 0%, #fff 100%);
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.download-card {
  background: #fff;
  border: 2px solid #f0f0f0;
  border-radius: 20px;
  padding: 36px 32px;
  text-align: center;
  transition: all 0.3s;
}

.download-card:hover {
  border-color: #FFE8D6;
  box-shadow: 0 8px 32px rgba(255, 122, 61, 0.1);
  transform: translateY(-4px);
}

.download-card .download-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
}

.download-card .download-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.download-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #333;
  margin-bottom: 8px;
}

.download-card p {
  font-size: 14px;
  color: #999;
  margin-bottom: 24px;
}

.download-card .btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s;
}

.download-card .btn-download i {
  width: 20px;
  height: 20px;
  display: block;
}

.download-card.android .btn-download {
  background: #FF7A3D;
  color: #fff;
}

.download-card.android .btn-download:hover {
  background: #E66A2E;
  box-shadow: 0 6px 20px rgba(255, 122, 61, 0.4);
  transform: translateY(-2px);
}

.download-card.ios .btn-download {
  background: #333;
  color: #fff;
}

.download-card.ios .btn-download:hover {
  background: #555;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.faq {
  padding: 80px 0;
  background: #FAFAFA;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover {
  border-color: #FFE8D6;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: #333;
  transition: color 0.3s;
}

.faq-question:hover {
  color: #FF7A3D;
}

.faq-question i {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
  color: #999;
  transition: transform 0.3s;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
  color: #FF7A3D;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: #777;
  line-height: 1.8;
}

.footer {
  background: #333;
  color: #bbb;
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand .footer-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-brand p {
  font-size: 13px;
  color: #999;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 13px;
  color: #999;
  transition: color 0.3s;
}

.footer-col ul a:hover {
  color: #FF7A3D;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  color: #777;
  line-height: 1.8;
}

.footer-bottom a {
  color: #999;
  transition: color 0.3s;
}

.footer-bottom a:hover {
  color: #FF7A3D;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FF7A3D;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(255, 122, 61, 0.3);
  border: none;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: #E66A2E;
  transform: translateY(-3px);
}

.back-to-top i {
  width: 20px;
  height: 20px;
  display: block;
  transform: rotate(180deg);
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

  .hero-content {
    max-width: 100%;
  }

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

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

  .hero-image-inner {
    width: 240px;
    height: 240px;
  }

  .hero-image-inner img {
    width: 140px;
    height: 140px;
  }

  .app-intro .container {
    flex-direction: column-reverse;
    text-align: center;
  }

  .app-intro-item {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 26px;
  }

  .section-subtitle {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  }

  .nav-menu.open {
    max-height: 400px;
    padding: 12px 0;
  }

  .nav-menu a {
    padding: 14px 24px;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid #f5f5f5;
  }

  .nav-menu a::after {
    display: none;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .hero-stats {
    gap: 20px;
  }

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

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

  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .screenshots-scroll {
    display: flex;
    gap: 12px;
    overflow-x: scroll;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 20px;
    margin-bottom: -20px;
    -webkit-overflow-scrolling: touch;
  }

  .screenshots-scroll::-webkit-scrollbar {
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    -webkit-appearance: none;
    appearance: none;
  }

  .screenshots-scroll::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 2px;
    -webkit-appearance: none;
    appearance: none;
  }

  .screenshots-scroll::-webkit-scrollbar-thumb:hover {
    background: #FF7A3D;
  }

  .screenshots-scroll {
    scrollbar-width: thin;
    scrollbar-color: #ccc #f0f0f0;
  }

  .screenshot-item {
    flex: 0 0 55%;
    width: 55%;
    scroll-snap-align: start;
  }

  .screenshot-item img {
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }

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

  .download-cards {
    grid-template-columns: 1fr;
  }

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

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

  .app-intro .container {
    gap: 40px;
  }

  .app-intro-content h2 {
    font-size: 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  .hero-image-inner {
    width: 200px;
    height: 200px;
  }

  .hero-image-inner img {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 22px;
  }

  .hero-content h1 {
    font-size: 26px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .btn-download {
    justify-content: center;
  }

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

  .screenshot-item {
    width: 180px;
  }

  .faq-question {
    font-size: 14px;
    padding: 16px 18px;
  }

  .faq-answer-inner {
    padding: 0 18px 16px;
  }

  .hero-image-inner {
    width: 180px;
    height: 180px;
  }

  .hero-image-inner img {
    width: 100px;
    height: 100px;
  }

  .features {
    padding: 60px 0;
  }

  .recommend {
    padding: 60px 0;
  }

  .screenshots {
    padding: 60px 0;
  }

  .reviews {
    padding: 60px 0;
  }

  .download {
    padding: 60px 0;
  }

  .faq {
    padding: 60px 0;
  }
}