@charset "utf-8";

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

:root {
  --primary: #1988eb;
  --primary-dark: #0f6dc9;
  --primary-light: #5ba8f5;
  --primary-bg: rgba(25, 136, 235, 0.08);
  --white: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #555;
  --text-muted: #999;
  --bg: #f6f9fc;
  --bg-card: #ffffff;
  --border: #e8edf2;
  --shadow: 0 2px 16px rgba(25, 136, 235, 0.10);
  --shadow-lg: 0 8px 32px rgba(25, 136, 235, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 68px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
}

html::-webkit-scrollbar {
  width: 0;
  height: 0;
  background: transparent;
}

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

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(-45deg, #e8f4fd, #d0e8fb, #f0f7ff, #dceefc, #e3f0fc);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
  100% { background-position: 0% 50%; }
}

.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;
}

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

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: var(--nav-height);
  min-height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

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

.nav-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-close {
  display: none;
}

.nav-close-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 20px;
  right: 20px;
}

.nav-close-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  position: absolute;
  transition: transform 0.3s ease;
}

.nav-close-btn span:first-child {
  transform: rotate(45deg);
}

.nav-close-btn span:last-child {
  transform: rotate(-45deg);
}

.nav-close-btn:hover span {
  background: var(--primary);
}

.nav-link {
  display: block;
  padding: 8px 18px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.nav-download {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.navbar-placeholder {
  height: var(--nav-height);
}

.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: 0 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-left {
  text-align: left;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), #0a6dd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  background: #ff00008f;
}

.btn-android {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(25, 136, 235, 0.35);
}

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

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-icon {
  width: 22px;
  height: 22px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hs-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.hs-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.hero-update {
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-right {
  display: flex;
  justify-content: flex-end;
}

.app-mockup {
  width: min(340px, 90vw);
  height: min(600px, 85vh);
  background: #ffffff;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 20px 60px rgba(25, 136, 235, 0.25);
  border: 2px solid #e8edf2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-scroll-container {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}

.app-scroll-container::-webkit-scrollbar {
  display: none;
}

.app-header {
  background: var(--primary);
  border-radius: 30px 30px 0 0;
  padding: 16px 20px;
  color: white;
}

.app-status {
  text-align: center;
  margin-bottom: 8px;
}

.as-time {
  font-size: 0.85rem;
  font-weight: 600;
}

.app-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.app-version {
  font-size: 0.75rem;
  opacity: 0.8;
}

.app-nav {
  display: flex;
  justify-content: space-around;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}

.nav-item {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.nav-item.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.app-banner {
  position: relative;
  padding: 10px;
}

.banner-img {
  width: 100%;
  border-radius: 10px;
}

.banner-text {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 5px 10px;
  border-radius: 5px;
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-section {
  padding: 12px 10px;
}

.section-header {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.comic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.comic-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.comic-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: 6px;
}

.comic-title {
  font-size: 0.75rem;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.comic-author {
  font-size: 0.68rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comic-views {
  font-size: 0.66rem;
  color: var(--primary);
  font-weight: 500;
}

.app-bottom-nav {
  display: flex;
  justify-content: space-around;
  padding: 12px 0;
  border-top: 1px solid #f0f0f0;
  background: #fafafa;
  border-radius: 0 0 30px 30px;
}

.bn-item {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 6px;
  transition: var(--transition);
}

.bn-item.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.latest-updates {
  padding: 80px 0;
}

.latest-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  align-items: stretch;
}

.latest-left {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.update-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.update-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}

.view-more {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
}

.view-more:hover {
  color: var(--white);
}

.update-list {
  padding: 12px 0;
}

.update-item {
  display: flex;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.update-item:last-child {
  border-bottom: none;
}

.update-item:hover {
  background: var(--primary-bg);
}

.update-cover {
  width: 64px;
  height: 88px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.update-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.update-name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.update-category {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.update-time {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.update-tag {
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tag-hot {
  background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
  color: var(--white);
}

.tag-new {
  background: linear-gradient(135deg, #4ecdc4, #44a3a0);
  color: var(--white);
}

.latest-right {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.recommend-card {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.rc-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rc-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

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

.recommend-item {
  display: flex;
  gap: 12px;
}

.recommend-cover {
  width: 56px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.recommend-info {
  flex: 1;
  min-width: 0;
}

.recommend-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recommend-rating {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.recommend-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags-card {
  padding: 24px;
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tc-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tc-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-item {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.tag-item:hover {
  background: var(--primary);
  color: var(--white);
}

.highlights {
  padding: 80px 0;
}

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

.highlight-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.highlight-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-bg);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-icon i {
  font-size: 28px;
}

.highlight-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.highlight-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.screenshots {
  padding: 80px 0;
  overflow: hidden;
}

.screenshot-wrapper {
  position: relative;
  overflow: hidden;
  margin: 0 -24px;
  padding: 0 24px;
}

.screenshot-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 12px 0 24px;
}

.screenshot-track img {
  height: 480px;
  border-radius: var(--radius);
  scroll-snap-align: start;
  box-shadow: var(--shadow);
  flex-shrink: 0;
}

.screenshot-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.screenshot-indicators span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ccc;
  transition: var(--transition);
  cursor: pointer;
}

.screenshot-indicators span.active {
  background: var(--primary);
  width: 28px;
  border-radius: 5px;
}

.features {
  padding: 80px 0;
}

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

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.fc-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-bg);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.fc-icon i {
  font-size: 28px;
}

.fc-content {
  flex: 1;
}

.fc-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.fc-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.fc-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
}

.stats {
  padding: 60px 0;
}

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

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.download {
  padding: 80px 0;
}

.download-bg {
  background: linear-gradient(135deg, var(--primary) 0%, #0d6efd 100%);
  padding: 60px 0;
  color: var(--white);
}

.download-bg .section-title {
  color: var(--white);
}

.download-bg .section-desc {
  color: rgba(255, 255, 255, 0.85);
}

.download-header {
  text-align: center;
  margin-bottom: 48px;
}

.download-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 560px;
  margin: 0 auto;
}

.download-main {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.dm-icon {
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dm-icon img {
  width: 36px;
  height: 36px;
}

.dm-content {
  flex: 1;
}

.dm-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dm-content p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
}

.dm-meta {
  display: flex;
  gap: 12px;
}

.dm-version,
.dm-size {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  font-size: 0.82rem;
}

.download-alt {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.da-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.da-icon img {
  width: 28px;
  height: 28px;
}

.da-content {
  flex: 1;
}

.da-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.da-content p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
}

.da-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: rgba(255, 215, 0, 0.9);
}

.da-note i {
  width: 16px;
  height: 16px;
}

.btn-xl {
  padding: 14px 32px;
  font-size: 1rem;
}

.download-bg .btn {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  border: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.download-bg .btn:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  transform: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.download-tips {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.dt-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

.dt-item i {
  width: 16px;
  height: 16px;
}

.reviews {
  padding: 80px 0;
}

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

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.review-header {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar-initial {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
}

.review-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.review-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.review-rating {
  display: flex;
  gap: 2px;
}

.star {
  color: #fbbf24;
  font-size: 0.88rem;
}

.review-content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.review-date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.faq {
  padding: 80px 0;
}

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

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  transition: var(--transition);
}

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

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

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

.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 p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

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

.footer-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  transition: var(--transition);
}

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

.footer-links span {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(25, 136, 235, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s;
  z-index: 999;
  -webkit-tap-highlight-color: transparent;
}

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

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

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

.back-to-top i {
  display: block;
  width: 24px;
  height: 24px;
  background: url('../images/top.svg') center / contain no-repeat;
}

.icon-fire { display: block; width: 28px; height: 28px; background: url('../icons/fire.svg') center / contain no-repeat; }
.icon-speed { display: block; width: 28px; height: 28px; background: url('../icons/speed.svg') center / contain no-repeat; }
.icon-hd { display: block; width: 28px; height: 28px; background: url('../icons/hd.svg') center / contain no-repeat; }
.icon-offline { display: block; width: 28px; height: 28px; background: url('../icons/download.svg') center / contain no-repeat; }
.icon-ai { display: block; width: 56px; height: 56px; background: url('../icons/ai.svg') center / contain no-repeat; }
.icon-read { display: block; width: 56px; height: 56px; background: url('../icons/read.svg') center / contain no-repeat; }
.icon-community { display: block; width: 56px; height: 56px; background: url('../icons/community.svg') center / contain no-repeat; }
.icon-cloud { display: block; width: 56px; height: 56px; background: url('../icons/cloud.svg') center / contain no-repeat; }
.icon-arrow { display: block; width: 24px; height: 24px; background: url('../icons/arrow.svg') center / contain no-repeat; }
.icon-top { display: block; width: 24px; height: 24px; background: url('../images/top.svg') center / contain no-repeat; }
.icon-info { display: block; width: 20px; height: 20px; background: url('../icons/info.svg') center / contain no-repeat; }
.icon-user { display: block; width: 100%; height: 100%; background: url('../icons/user.svg') center / 70% no-repeat; }
.icon-android { display: block; width: 22px; height: 22px; background: url('../images/安卓.svg') center / contain no-repeat; }
.icon-ios { display: block; width: 22px; height: 22px; background: url('../images/苹果.svg') center / contain no-repeat; }
.icon-android-lg { display: block; width: 36px; height: 36px; background: url('../images/安卓.svg') center / contain no-repeat; }
.icon-ios-lg { display: block; width: 28px; height: 28px; background: url('../images/苹果.svg') center / contain no-repeat; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --bg: #0f0f1a;
    --bg-card: #1a1a2e;
    --border: #2a2a40;
    --shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  }

  body::before {
    background: linear-gradient(-45deg, #0d1b2a, #0f2040, #1a1030, #0f1a30, #10182a);
    background-size: 400% 400%;
  }

  .navbar {
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(20px);
  }

  .navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(25, 136, 235, 0.18);
  }

  .btn-ios {
    background: var(--bg-card);
    border-color: var(--primary);
  }

  .footer {
    background: var(--bg-card);
  }

  .hamburger span {
    background: var(--text);
  }

  .highlight-icon,
  .feature-visual,
  .dc-icon {
    background: rgba(25, 136, 235, 0.14);
  }
}

@media (max-width: 1024px) {
  .latest-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .hero-title {
    font-size: 2.6rem;
  }

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

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

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

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

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

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

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

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

  .section-title {
    font-size: 1.6rem;
  }

  .section-desc {
    font-size: 0.95rem;
    margin-bottom: 36px;
  }

  .hamburger {
    display: flex;
  }

  .nav-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 14px;
    background: var(--primary);
    color: var(--white);
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    margin-right: 8px;
    white-space: nowrap;
    flex-shrink: 0;
    max-height: 34px;
    box-sizing: border-box;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -260px;
    width: 260px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    padding: 90px 28px 28px;
    gap: 4px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    display: flex;
    list-style: none;
    transition: right 0.3s ease;
  }

  .nav-menu.menu-open {
    right: 0 !important;
  }

  .nav-close {
    display: block;
  }

  .navbar.active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
  }

  .nav-link {
    padding: 14px 18px;
    font-size: 1.05rem;
    border-radius: 10px;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-container {
    gap: 30px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .hero-stats {
    gap: 32px;
  }

  .hs-number {
    font-size: 1.5rem;
  }

  .app-mockup {
    width: min(280px, 85vw);
    height: min(500px, 80vh);
  }

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

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

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

  .screenshot-track img {
    width: 200px;
    height: 400px;
  }

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

  .stat-number {
    font-size: 1.8rem;
  }

  .download-bg {
    padding: 40px 24px;
  }

  .download-main,
  .download-alt {
    flex-direction: column;
    text-align: center;
  }

  .dm-meta {
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .float-card {
    display: none;
  }

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

  @media (prefers-color-scheme: dark) {
    .nav-menu.menu-open {
      background: rgba(15, 15, 26, 0.97) !important;
    }
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.65rem;
  }

  .screenshot-track img {
    width: 230px;
    height: 400px;
  }

  .feature-item,
  .feature-item.reverse {
    padding: 28px 20px;
  }

  .download-card {
    padding: 36px 24px;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 0.95rem;
  }

  .faq-answer p {
    padding: 0 20px 16px;
    font-size: 0.9rem;
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
  }

  .back-to-top i {
    width: 20px;
    height: 20px;
  }
}