@charset "utf-8";
:root {
  --green-primary: #4CAF50;
  --green-light: #81C784;
  --green-lighter: #A5D6A7;
  --green-lightest: #C8E6C9;
  --green-bg: #E8F5E9;
  --green-dark: #2E7D32;
  --green-darker: #1B5E20;
  --yellow-accent: #FFC107;
  --yellow-light: #FFF8E1;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-light: #999999;
  --bg-white: #FFFFFF;
  --bg-gray: #F5F5F5;
  --bg-gray-light: #FAFAFA;
  --border-color: #E0E0E0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-title: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50px;
  --section-gap: 80px;
  --content-width: 1200px;
  --nav-height: 64px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  text-decoration: none;
  color: inherit;
}
ul, ol {
  list-style: none;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button {
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  font-family: inherit;
}
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: var(--section-gap) 0;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--green-primary);
  border-radius: 2px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-top: 16px;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  will-change: transform;
}
.header.scrolled {
  box-shadow: var(--shadow-md);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-img {
  width: 40px;
  height: 40px;
  display: block;
  transition: transform var(--transition-normal);
}
.nav-logo:hover .nav-logo-img {
  transform: scale(1.1);
}
.nav-logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 1px;
}
.nav-menu {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-menu-header {
  display: none;
}
.nav-menu-list {
  display: flex;
  gap: 8px;
  list-style: none;
}
.nav-download-mobile {
  display: none;
}
.nav-menu-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
}
.nav-menu-list li a:hover {
  color: var(--green-primary);
  background: var(--green-bg);
}
.nav-download-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 20px;
  background: var(--green-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.nav-download-btn:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}
.nav-download-btn .icon-download {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(1);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.nav-toggle .icon-close {
  display: none;
}
.nav-toggle.active .icon-menu {
  display: none;
}
.nav-toggle.active .icon-close {
  display: inline-block;
}
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.nav-overlay.active {
  display: block;
  opacity: 1;
}
.banner {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  background: linear-gradient(160deg, #E8F5E9 0%, #C8E6C9 40%, #A5D6A7 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.banner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: var(--green-lighter);
  opacity: 0.3;
  border-radius: 50%;
  top: -100px;
  left: -100px;
}
.banner::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--green-light);
  opacity: 0.2;
  border-radius: 50%;
  bottom: -60px;
  right: -60px;
}
.banner .container {
  position: relative;
  z-index: 1;
}
.banner-decor-top {
  position: absolute;
  top: 40px;
  right: 10%;
  opacity: 0.6;
}
.banner-decor-bottom {
  position: absolute;
  bottom: 30px;
  left: 10%;
  opacity: 0.5;
}
.banner-frog {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner-frog-img {
  width: 100%;
  max-width: 100px;
  height: auto;
}
.banner-title {
  font-size: 48px;
  font-weight: 800;
  color: var(--green-darker);
  margin-bottom: 16px;
  line-height: 1.3;
}
.banner-title span {
  color: var(--green-primary);
  position: relative;
}
.banner-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.banner-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--green-primary);
  color: #fff;
  border-color: var(--green-primary);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--green-dark);
}
.btn-outline:hover {
  background: var(--green-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn .icon-download,
.btn .icon-android,
.btn .icon-apple {
  width: 20px;
  height: 20px;
}
.btn-primary .icon-download,
.btn-primary .icon-android,
.btn-primary .icon-apple {
  filter: brightness(0) invert(1);
}
.banner-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(46, 125, 50, 0.15);
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.2;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.banner-update-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 32px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
}
.banner-update-time i {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}
.features {
  background: var(--bg-white);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-primary), var(--green-light));
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.feature-card:hover {
  border-color: var(--green-lighter);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: var(--green-bg);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  transition: background var(--transition-normal);
}
.feature-card:hover .feature-icon {
  background: var(--green-lightest);
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.screenshots {
  background: var(--bg-gray);
  overflow: hidden;
}
.screenshots-wrapper {
  position: relative;
}
.screenshots-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 20px 0;
}
.screenshots-track::-webkit-scrollbar {
  display: none;
}
.screenshot-card {
  flex: 0 0 auto;
  width: 280px;
  background: #1a1a2e;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  overflow: hidden;
  aspect-ratio: 9 / 16;
}
.screenshot-card:hover {
  border-color: var(--green-lighter);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.screenshot-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--green-lighter);
  font-size: 14px;
  gap: 8px;
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
}
.screenshot-placeholder .icon-frog-decor {
  width: 50px;
  height: 50px;
  opacity: 0.6;
}
.screenshot-label {
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.screenshots-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: var(--bg-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: all var(--transition-fast);
}
.screenshots-scroll-btn:hover {
  background: var(--green-primary);
  box-shadow: var(--shadow-lg);
}
.screenshots-scroll-btn:hover .icon-arrow-right {
  filter: brightness(0) invert(1);
}
.screenshots-scroll-btn:hover .icon-arrow-down {
  filter: brightness(0) invert(1);
}
.screenshots-scroll-btn.prev {
  left: 0;
}
.screenshots-scroll-btn.prev .icon-arrow-right {
  transform: rotate(180deg);
}
.screenshots-scroll-btn.next {
  right: 0;
}
.screenshots-tadpole {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 16px;
}
.screenshots-tadpole i {
  opacity: 0.3;
  transition: opacity var(--transition-fast);
}
.download {
  background: var(--bg-white);
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.download-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
}
.download-card:hover {
  border-color: var(--green-primary);
  box-shadow: var(--shadow-md);
}
.download-card.featured {
  border-color: var(--green-primary);
  background: linear-gradient(180deg, #f1f8e9 0%, #fff 100%);
}
.download-card.featured::before {
  content: '推荐';
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--green-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.download-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--green-bg);
  border-radius: 50%;
  margin-bottom: 20px;
}
.download-card.featured .download-icon {
  background: var(--green-lightest);
}
.download-icon .icon-android,
.download-icon .icon-apple {
  width: 36px;
  height: 36px;
}
.download-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.download-card .version {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}
.download-card .file-size {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.download-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 14px;
  padding: 12px 24px;
}
.install-notice {
  background: var(--yellow-light);
  border: 1px solid var(--yellow-accent);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-bottom: 24px;
}
.install-notice h3 {
  font-size: 16px;
  font-weight: 700;
  color: #F57F17;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.install-notice ul {
  list-style: none;
}
.install-notice ul li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  line-height: 1.7;
}
.install-notice ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--yellow-accent);
  border-radius: 50%;
}
.disclaimer {
  background: var(--bg-gray-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
}
.disclaimer h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.disclaimer p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
}
.changelog {
  background: var(--bg-white);
}
.changelog-list {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.changelog-list::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--green-lighter);
  transform: translateX(-50%);
}
.changelog-item {
  position: relative;
  width: 50%;
  margin-bottom: 32px;
}
.changelog-item:last-child {
  margin-bottom: 0;
}
.changelog-item.left {
  padding-right: 40px;
  text-align: right;
}
.changelog-item.right {
  margin-left: 50%;
  padding-left: 40px;
}
.changelog-dot {
  position: absolute;
  top: 24px;
  width: 14px;
  height: 14px;
  background: var(--green-primary);
  border: 3px solid var(--bg-white);
  border-radius: 50%;
  z-index: 2;
}
.changelog-item.left .changelog-dot {
  right: -7px;
}
.changelog-item.right .changelog-dot {
  left: -7px;
}
.changelog-item:first-child .changelog-dot {
  background: var(--yellow-accent);
  box-shadow: 0 0 0 4px rgba(255, 193, 7, 0.2);
}
.changelog-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all var(--transition-normal);
}
.changelog-card:hover {
  border-color: var(--green-lighter);
  box-shadow: var(--shadow-md);
}
.changelog-version {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.changelog-item.left .changelog-version {
  justify-content: flex-end;
}
.changelog-version .ver {
  font-size: 16px;
  font-weight: 700;
  color: var(--green-dark);
}
.changelog-version .tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--green-primary);
  color: #fff;
}
.changelog-date {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
}
.changelog-item ul {
  list-style: none;
  text-align: left;
}
.changelog-item ul li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.7;
}
.changelog-item ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  background: var(--green-lighter);
  border-radius: 50%;
}
.faq {
  background: var(--bg-white);
}
.faq-list {
  max-width: 750px;
  margin: 0 auto;
}
.faq-item {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-normal);
}
.faq-item.active {
  border-color: var(--green-lighter);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  background: none;
  transition: all var(--transition-fast);
}
.faq-question:hover {
  color: var(--green-primary);
  background: var(--bg-gray-light);
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  position: relative;
}
.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--green-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.faq-question .faq-icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-question .faq-icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}
.faq-item.active .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.reviews {
  background: var(--green-bg);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.review-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
}
.review-card:hover {
  border-color: var(--green-lighter);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-avatar .icon-frog-decor {
  width: 32px;
  height: 32px;
}
.review-user {
  flex: 1;
  min-width: 0;
}
.review-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.review-stars {
  display: flex;
  gap: 2px;
}
.review-stars .icon-star {
  width: 16px;
  height: 16px;
  color: var(--yellow-accent);
}
.review-content {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 16px;
}
.review-date {
  font-size: 13px;
  color: var(--text-light);
}
.reviews-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  box-shadow: var(--shadow-sm);
}
.review-stat {
  text-align: center;
}
.review-stat .stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.2;
  margin-bottom: 6px;
}
.review-stat .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}
.footer {
  background: var(--green-darker);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo-img {
  width: 40px;
  height: 40px;
  display: block;
}
.footer-logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover {
  color: var(--green-light);
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: var(--green-primary);
}
.footer-social a:hover i {
  filter: brightness(0) invert(1);
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--green-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background var(--transition-fast);
  box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
}
.back-to-top .icon-arrow-right {
  transform: rotate(-90deg);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--green-dark);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
}
.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;
}

.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;
}

@media (max-width: 1023px) {
  :root {
    --section-gap: 60px;
  }
  .section-title {
    font-size: 28px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    background: var(--bg-white);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    padding: 0;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
  }
  .nav-menu.active {
    right: 0;
  }
  .nav-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--green-bg) 0%, #fff 100%);
  }
  .nav-menu-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--green-dark);
  }
  .nav-menu-logo-img {
    width: 36px;
    height: 36px;
    display: block;
  }
  .nav-menu-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    transition: all var(--transition-fast);
  }
  .nav-menu-close:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
  }
  .nav-menu-list {
    flex: 1;
    flex-direction: column;
    gap: 2px;
    padding: 16px 16px;
  }
  .nav-menu-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
  }
  .nav-menu-list li a:hover {
    color: var(--green-primary);
    background: var(--green-bg);
    transform: translateX(4px);
  }
  .nav-menu-list li a i {
    width: 22px;
    height: 22px;
    opacity: 0.8;
  }
  .nav-menu .nav-download-mobile {
    padding: 20px 24px 24px;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
  }
  .nav-menu .nav-download-mobile .btn {
    width: 100%;
    justify-content: center;
  }
  .banner-title {
    font-size: 36px;
  }
  .banner-stats {
    gap: 40px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 24px;
  }
  .download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .screenshot-card {
    width: 240px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  :root {
    --section-gap: 48px;
    --nav-height: 56px;
  }
  .header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .section-title {
    font-size: 24px;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .container {
    padding: 0 16px;
  }
  .nav-menu {
    width: 280px;
    right: -280px;
  }
  .nav-menu-header {
    padding: 16px 20px;
  }
  .nav-menu-logo {
    font-size: 18px;
  }
  .nav-menu-logo-img {
    width: 32px;
    height: 32px;
  }
  .nav-menu-list {
    padding: 12px 12px;
  }
  .nav-menu-list li a {
    padding: 12px 14px;
    font-size: 15px;
  }
  .nav-menu .nav-download-mobile {
    padding: 16px 20px 20px;
  }
  .banner {
    padding-top: calc(var(--nav-height) + 40px);
    padding-bottom: 48px;
  }
  .banner-frog-img {
    max-width: 72px;
  }
  .banner-title {
    font-size: 28px;
  }
  .banner-desc {
    font-size: 15px;
  }
  .banner-actions {
    flex-direction: column;
    align-items: center;
  }
  .banner-actions .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  .banner-stats {
    gap: 0;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .banner-stats .stat-item {
    flex: 0 0 33.333%;
    max-width: 33.333%;
  }
  .banner-stats .stat-item:last-child {
    flex: 0 0 100%;
    max-width: 100%;
    margin-top: 20px;
  }
  .stat-number {
    font-size: 24px;
  }
  .banner-update-time {
    margin-top: 24px;
    font-size: 12px;
    padding: 6px 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card {
    padding: 28px 20px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
  }
  .reviews-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px;
  }
  .review-stat .stat-number {
    font-size: 24px;
  }
  .screenshot-card {
    width: 220px;
  }
  .screenshots-scroll-btn {
    display: none;
  }
  .download-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .install-notice {
    padding: 20px;
  }
  .faq-question {
    padding: 16px 20px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 20px 16px;
    font-size: 13px;
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-col h4 {
    font-size: 14px;
    margin-bottom: 16px;
  }
  .footer-col ul li {
    margin-bottom: 8px;
  }
  .footer-col ul li a {
    font-size: 13px;
  }
  .footer {
    padding: 40px 0 0;
  }
  .changelog-list::before {
    left: 16px;
    transform: none;
  }
  .changelog-item {
    width: 100%;
    margin-left: 0 !important;
    padding-left: 44px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
  .changelog-item .changelog-dot {
    left: 9px !important;
    right: auto !important;
    top: 24px;
    width: 14px;
    height: 14px;
  }
  .changelog-item.left .changelog-version {
    justify-content: flex-start;
  }
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }
}
