@charset "UTF-8";

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

html {
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #0a0e14;
  color: #e0e0e0;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  padding-top: 64px;
}

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

ul {
  list-style: none;
}

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

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

.dynamic-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.dynamic-bg::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 20% 50%, rgba(74, 222, 128, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(34, 197, 94, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(74, 222, 128, 0.1) 0%, transparent 40%),
              radial-gradient(ellipse at 30% 30%, rgba(52, 211, 153, 0.05) 0%, transparent 45%);
  animation: bgFloat 15s ease-in-out infinite;
}

.dynamic-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 10% 20%, rgba(74, 222, 128, 0.03) 0%, transparent 30%),
    radial-gradient(circle at 85% 60%, rgba(52, 211, 153, 0.04) 0%, transparent 35%),
    radial-gradient(circle at 40% 75%, rgba(74, 222, 128, 0.05) 0%, transparent 25%);
  animation: bgPulse 10s ease-in-out infinite alternate;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

@keyframes bgPulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

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

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

@keyframes scrollHint {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(5px); }
}

.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;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(74, 222, 128, 0.1);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  height: 64px;
}

.navbar.scrolled {
  background: rgba(10, 14, 20, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #4ade80;
  transition: opacity 0.3s ease;
}

.nav-logo:hover {
  opacity: 0.85;
}

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

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

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: #a0aec0;
  transition: color 0.3s ease;
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #4ade80;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #4ade80;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

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

.nav-toggle i {
  display: block;
  width: 24px;
  height: 24px;
}

.i-hamburger {
  display: block;
  width: 24px;
  height: 24px;
  background: url("../icons/icon-hamburger.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(100%);
}

.i-close {
  display: block;
  width: 24px;
  height: 24px;
  background: url("../icons/icon-close.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(100%);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
}

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  position: relative;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
}

.hero-left {
  flex: 1;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-right {
  flex-shrink: 0;
}

.download-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  width: 320px;
}

.download-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 8px;
}

.download-card p {
  font-size: 14px;
  color: #666;
  margin-bottom: 24px;
}

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

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.download-btn-android {
  background: #22c55e;
  color: #fff;
}

.download-btn-android:hover {
  background: #16a34a;
}

.download-btn-ios {
  background: #f5f5f5;
  color: #333;
  border: 1px solid #e0e0e0;
}

.download-btn-ios:hover {
  background: #eee;
}

.download-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #f0f0f0;
}

.download-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: #22c55e;
}

.i-tag {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: url("../icons/icon-star.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(77%) sepia(36%) saturate(847%) hue-rotate(74deg) brightness(100%) contrast(90%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: 50px;
  padding: 6px 20px;
  font-size: 13px;
  color: #4ade80;
  align-self: flex-start;
  flex-shrink: 0;
  width: auto;
}

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

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero h1 span {
  color: #4ade80;
}

.hero-desc {
  font-size: 18px;
  color: #a0aec0;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34, 197, 94, 0.4);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.i-android {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: url("../images/安卓.svg") center/contain no-repeat;
}

.i-apple {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: url("../images/苹果.svg") center/contain no-repeat;
}

.hero-extra {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 48px;
  flex-wrap: wrap;
}

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

.hero-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: #4ade80;
}

.hero-stat-label {
  font-size: 13px;
  color: #718096;
  margin-top: 4px;
}

.hero-update {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  font-size: 13px;
  color: #718096;
}

.hero-update .update-icon {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.section {
  padding: 80px 0;
}

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

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #4ade80;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: #718096;
  max-width: 500px;
  margin: 0 auto;
}

.screenshots {
  padding: 80px 0;
}

.screenshots-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 10px 20px 20px;
  margin: 0 auto;
  max-width: 1200px;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: pan-x;
  scroll-snap-type: x mandatory;
  justify-content: flex-start;
}

.screenshots-scroll::-webkit-scrollbar {
  display: none;
}

.screenshots-scroll:active {
  cursor: grabbing;
}

.screenshots-scroll.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}

.screenshot-item {
  flex-shrink: 0;
  width: 220px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  scroll-snap-align: center;
}

.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshots-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 13px;
  color: #718096;
}

.i-scroll-hint {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url("../icons/icon-chevron-down.svg") center/contain no-repeat;
  transform: rotate(-90deg);
  animation: scrollHint 2s ease-in-out infinite;
}

.i-star {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: url("../icons/icon-star.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(77%) sepia(36%) saturate(847%) hue-rotate(74deg) brightness(100%) contrast(90%);
}

.reviews {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 24px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(34, 197, 94, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #4ade80;
}

.review-info {
  flex: 1;
}

.review-name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

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

.review-content p {
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.7;
  margin-bottom: 12px;
}

.review-date {
  font-size: 12px;
  color: #718096;
}

.recommend {
  padding: 80px 0;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.recommend-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  transition: all 0.3s ease;
}

.recommend-card:hover {
  border-color: rgba(74, 222, 128, 0.2);
  transform: translateY(-4px);
}

.recommend-rank {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  z-index: 2;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.recommend-rank-1 {
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.recommend-rank-2 {
  background: linear-gradient(135deg, #fdcb6e, #e17055);
}

.recommend-rank-3 {
  background: linear-gradient(135deg, #ffeaa7, #fdcb6e);
}

.recommend-cover {
  position: relative;
  overflow: hidden;
}

.recommend-cover img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.recommend-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(74, 222, 128, 0.9);
}

.recommend-info {
  padding: 20px;
}

.recommend-info h4 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.recommend-author {
  font-size: 13px;
  color: #4ade80;
  margin-bottom: 8px;
}

.recommend-desc {
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-stats {
  display: flex;
  align-items: center;
  gap: 16px;
}

.recommend-stats span {
  font-size: 13px;
  color: #718096;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 20%, rgba(74, 222, 128, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(74, 222, 128, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(74, 222, 128, 0.1);
  position: relative;
  z-index: 1;
}

.i-feature {
  display: block;
  width: 28px;
  height: 28px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0) saturate(100%) invert(77%) sepia(36%) saturate(847%) hue-rotate(74deg) brightness(100%) contrast(90%);
}

.i-feature-library { background-image: url("../icons/icon-library.svg"); }
.i-feature-device { background-image: url("../icons/icon-device.svg"); }
.i-feature-speed { background-image: url("../icons/icon-speed.svg"); }
.i-feature-shield { background-image: url("../icons/icon-shield.svg"); }
.i-feature-eye { background-image: url("../icons/icon-eye.svg"); }
.i-feature-star { background-image: url("../icons/icon-star.svg"); }

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.feature-card p {
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.highlights {
  padding: 80px 0;
}

.highlights-inner {
  display: flex;
  gap: 30px;
  align-items: stretch;
}

.highlights-left {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
  flex: 1;
}

.highlight-card {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.05), rgba(34, 197, 94, 0.02));
  border: 1px solid rgba(74, 222, 128, 0.1);
  border-radius: 20px;
  padding: 32px 28px;
  transition: all 0.3s ease;
}

.highlight-card:hover {
  border-color: rgba(74, 222, 128, 0.25);
  box-shadow: 0 8px 30px rgba(74, 222, 128, 0.08);
  transform: translateY(-3px);
}

.highlight-num {
  font-size: 36px;
  font-weight: 800;
  color: #4ade80;
  margin-bottom: 8px;
}

.highlight-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.highlight-desc {
  font-size: 13px;
  color: #718096;
}

.highlights-right {
  flex-shrink: 0;
  max-width: 340px;
  min-width: 280px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.route-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.route-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.route-logo img {
  width: 60px;
  height: 60px;
}

.route-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 24px;
}

.route-list {
  border-top: 1px solid #f0f0f0;
  border-bottom: 1px solid #f0f0f0;
  padding: 12px 0;
}

.route-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.route-name {
  font-size: 15px;
  color: #333;
}

.route-status {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
}

.route-status-good {
  color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
}

.route-notice {
  margin-top: 16px;
  padding: 12px 16px;
  background: #f8f9fa;
  border-radius: 8px;
}

.route-notice p {
  font-size: 12px;
  color: #666;
  line-height: 1.8;
}

.route-version {
  margin-top: 16px;
  font-size: 12px;
  color: #999;
}

.updates {
  padding: 80px 0;
}

.updates-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.update-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 24px 28px;
  transition: all 0.3s ease;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.update-item:hover {
  border-color: rgba(74, 222, 128, 0.2);
  background: rgba(74, 222, 128, 0.03);
}

.update-icon-wrap {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(74, 222, 128, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.i-announce {
  display: block;
  width: 20px;
  height: 20px;
  background: url("../icons/icon-announce.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(77%) sepia(36%) saturate(847%) hue-rotate(74deg) brightness(100%) contrast(90%);
}

.update-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.update-content p {
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.6;
}

.update-date {
  font-size: 12px;
  color: #4ade80;
  margin-top: 6px;
  display: inline-block;
}

.faq {
  padding: 80px 0;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(74, 222, 128, 0.15);
}

.faq-item.active {
  border-color: rgba(74, 222, 128, 0.2);
  background: rgba(74, 222, 128, 0.03);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  gap: 16px;
}

.faq-question i {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: url("../icons/icon-chevron-down.svg") center/contain no-repeat;
  transition: transform 0.3s ease;
  filter: brightness(0) saturate(100%) invert(70%) sepia(10%) saturate(500%) hue-rotate(70deg);
}

.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: 200px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: #a0aec0;
  line-height: 1.7;
}

.cta {
  padding: 80px 0 100px;
}

.cta-card {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.05));
  border: 1px solid rgba(74, 222, 128, 0.15);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  font-size: 16px;
  color: #a0aec0;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-logo span {
  font-size: 18px;
  font-weight: 700;
  color: #4ade80;
}

.footer-info {
  font-size: 13px;
  color: #718096;
  line-height: 1.8;
}

.footer-info a {
  color: #4ade80;
  transition: opacity 0.3s ease;
}

.footer-info a:hover {
  opacity: 0.8;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.15);
  border: 1px solid rgba(74, 222, 128, 0.25);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.back-to-top:hover {
  background: rgba(74, 222, 128, 0.25);
  border-color: rgba(74, 222, 128, 0.4);
  transform: translateY(-3px);
}

.i-back-top {
  display: block;
  width: 22px;
  height: 22px;
  background: url("../images/置顶_o.svg") center/contain no-repeat;
  filter: brightness(0) saturate(100%) invert(77%) sepia(36%) saturate(847%) hue-rotate(74deg) brightness(100%) contrast(90%);
}

@media (max-width: 1024px) {
  .navbar {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: none;
    background: rgba(10, 14, 20, 0.98);
  }

  .navbar.scrolled {
    background: rgba(10, 14, 20, 0.98);
    box-shadow: none;
  }

  .back-to-top {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (max-width: 992px) {
  .highlights-right {
    max-width: 300px;
    min-width: 260px;
  }

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

@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .hero {
    min-height: auto;
    padding: 40px 20px 60px;
  }

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

  .hero-badge {
    align-self: center;
  }

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

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

  .download-card {
    width: 100%;
    max-width: 320px;
  }

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

  .highlights-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .highlights-right {
    width: 100%;
    max-width: 340px;
    margin: 20px auto 0;
    flex: none;
    height: auto;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
  }

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

  .highlight-num {
    font-size: 28px;
  }

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

  .route-logo {
    width: 60px;
    height: 60px;
  }

  .route-logo img {
    width: 45px;
    height: 45px;
  }

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

  .nav-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: rgba(10, 14, 20, 0.98);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right 0.3s ease;
    z-index: 1000;
    border-left: 1px solid rgba(74, 222, 128, 0.1);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    font-size: 18px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-download-btn {
    display: flex;
    align-items: center;
    padding: 6px 14px;
    background: #4ade80;
    color: #0a0e14;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-right: 8px;
    white-space: nowrap;
    transition: opacity 0.3s ease;
  }

  .nav-download-btn:hover {
    opacity: 0.85;
  }

  .mobile-menu-overlay {
    display: block;
    pointer-events: none;
  }

  .mobile-menu-overlay.active {
    pointer-events: auto;
  }

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

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

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

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

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

  .screenshot-item {
    width: 180px;
  }

  .cta-card {
    padding: 40px 24px;
  }

  .cta-card h2 {
    font-size: 26px;
  }

  .hero-stat-num {
    font-size: 24px;
  }

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

@media (max-width: 480px) {
  body {
    padding-top: 56px;
  }

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

  .section-title {
    font-size: 24px;
  }

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

  .screenshot-item {
    width: 200px;
  }

  .hero-extra {
    gap: 20px;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .navbar {
    height: 56px;
  }

  .navbar .container {
    height: 56px;
  }

  .nav-logo {
    font-size: 18px;
  }

  .nav-logo img {
    width: 32px;
    height: 32px;
  }
}