@charset "UTF-8";
:root {
  --primary: #08a089;
  --primary-dark: #067a68;
  --primary-light: #0ab89e;
  --primary-bg: #e8f8f5;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f5f5f5;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --max-width: 1200px;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}
ul, ol {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
.svg-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}
.svg-icon.icon-menu       { background-image: url("../icon-svg/menu.svg"); }
.svg-icon.icon-close      { background-image: url("../icon-svg/close.svg"); }
.svg-icon.icon-star       { background-image: url("../icon-svg/star.svg"); }
.svg-icon.icon-star-empty { background-image: url("../icon-svg/star-empty.svg"); }
.svg-icon.icon-comic      { background-image: url("../icon-svg/icon-comic.svg"); }
.svg-icon.icon-download   { background-image: url("../icon-svg/icon-download.svg"); }
.svg-icon.icon-reader     { background-image: url("../icon-svg/icon-reader.svg"); }
.svg-icon.icon-collection { background-image: url("../icon-svg/icon-collection.svg"); }
.svg-icon.icon-night      { background-image: url("../icon-svg/icon-night.svg"); }
.svg-icon.icon-tag        { background-image: url("../icon-svg/icon-tag.svg"); }
.svg-icon.icon-sync       { background-image: url("../icon-svg/icon-sync.svg"); }
.svg-icon.icon-offline    { background-image: url("../icon-svg/icon-offline.svg"); }
.svg-icon.icon-search     { background-image: url("../icon-svg/icon-search.svg"); }
.svg-icon.icon-gesture    { background-image: url("../icon-svg/icon-gesture.svg"); }
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}
.navbar-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.navbar-menu li a:hover {
  color: var(--primary);
  background: var(--primary-bg);
}
.navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.navbar-toggle:hover {
  background: var(--gray-100);
}
.navbar-toggle .svg-icon {
  width: 28px;
  height: 28px;
}
.navbar-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  padding: 12px 0;
  gap: 0;
}
.navbar-menu.active li {
  width: 100%;
}
.navbar-menu.active li a {
  padding: 14px 24px;
  border-radius: 0;
  font-size: 16px;
}
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}
.section-header p {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0 100px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(255,255,255,0.06) 0%, transparent 60%);
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  background: rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.hero p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
}
.btn-download img {
  width: 24px;
  height: 24px;
}
.btn-download:hover {
  transform: scale(1.05);
}
.btn-android {
  background: var(--white);
  color: var(--gray-800);
  box-shadow: var(--shadow-md);
}
.btn-android:hover {
  background: #f0fdf4;
  box-shadow: var(--shadow-lg);
  color: var(--primary-dark);
}
.btn-ios {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}
.btn-ios:hover {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 0 20px rgba(255,255,255,0.1);
}
.features {
  background: var(--gray-50);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}
.feature-card .svg-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  background-color: var(--primary-bg);
  border-radius: 50%;
  background-size: 26px 26px;
  padding: 12px;
  box-sizing: content-box;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}
.screenshots-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  padding-bottom: 8px;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.screenshots-scroll::-webkit-scrollbar {
  height: 6px;
}
.screenshots-scroll::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 3px;
}
.screenshots-scroll::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 3px;
}
.screenshots-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}
.screenshots-track {
  display: flex;
  gap: 20px;
  width: max-content;
  padding: 4px 0;
}
.screenshots-track img {
  width: 280px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  object-fit: cover;
  aspect-ratio: 9/16;
}
.screenshots-track img:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-xl);
}
.screenshots-track .screenshot-wide {
  aspect-ratio: 16/9;
}
.download {
  background: var(--gray-50);
}
.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.download-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.download-card:hover {
  box-shadow: var(--shadow-lg);
}
.download-card .svg-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
}
.download-card img.platform-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}
.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}
.download-card .version {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.download-card .update-date {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 24px;
}
.download-card .btn-download {
  background: var(--primary);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 36px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.download-card .btn-download .svg-icon {
  filter: brightness(10);
}
.download-card .btn-download:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}
.download-card .install-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.5;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
  align-self: start;
}
.review-card:hover {
  box-shadow: var(--shadow-lg);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}
.review-user {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
}
.review-date {
  font-size: 12px;
  color: var(--gray-400);
}
.review-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}
.review-stars .svg-icon {
  width: 18px;
  height: 18px;
}
.review-text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}
.footer {
  background: var(--gray-800);
  color: var(--gray-300);
  padding: 48px 0 32px;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand {
  max-width: 300px;
}
.footer-brand .navbar-logo {
  margin-bottom: 12px;
  font-size: 20px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-links h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-links ul li {
  margin-bottom: 8px;
}
.footer-links ul li a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color var(--transition);
}
.footer-links ul li a:hover {
  color: var(--primary-light);
}
.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
}
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
  .navbar-toggle {
    display: flex;
  }
  .navbar-menu.active {
    display: flex;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: 12px 0;
    flex-direction: column;
    gap: 0;
  }
  .navbar-menu.active li {
    width: 100%;
  }
  .navbar-menu.active li a {
    padding: 14px 24px;
    border-radius: 0;
    font-size: 16px;
  }
  .section {
    padding: 56px 0;
  }
  .section-header h2 {
    font-size: 26px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero p {
    font-size: 16px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .screenshots-track img {
    width: 220px;
  }
  .download-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-content {
    flex-direction: column;
    gap: 24px;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .section {
    padding: 40px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .section-header h2 {
    font-size: 22px;
  }
  .section-header p {
    font-size: 14px;
  }
  .hero {
    padding: 56px 0 72px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero p {
    font-size: 15px;
  }
  .hero-buttons .btn-download {
    width: 100%;
    justify-content: center;
    max-width: 280px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .screenshots-track img {
    width: 180px;
  }
  .download-card {
    padding: 28px 20px;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-links {
    gap: 24px;
  }
}