@charset "UTF-8";

:root {
  --cyan: #5BC0D0;
  --cyan-light: #78C9D8;
  --cyan-deep: #2F7F8C;
  --cyan-glow: rgba(91, 192, 208, 0.42);
  --ink: #0E2432;
  --ink-deep: #0A1B26;
  --ink-card: #12293A;
  --gold: #C9A96A;
  --gold-light: #D9BE85;
  --paper: #F5EFE4;
  --vermillion: #B3453A;
  --text: #EAF3F5;
  --text-dim: #9FB3BB;
  --border: rgba(201, 169, 106, 0.22);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--ink-deep);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--vermillion);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag::before,
.section-tag::after {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--vermillion);
}

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

.section-head h2 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-dim);
  font-size: 16px;
}

.section-head h2 .accent {
  background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

blockquote, p, h1, h2, h3 {
  margin: 0;
}

.icon {
  display: inline-block;
  line-height: 0;
}

.icon::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.icon-lg::before {
  width: 30px;
  height: 30px;
}

.icon-menu::before {
  background-image: url("../icons/menu.svg");
}

.icon-close::before {
  background-image: url("../icons/close.svg");
}

.icon-bolt::before {
  background-image: url("../icons/bolt.svg");
}

.icon-book::before {
  background-image: url("../icons/book.svg");
}

.icon-image::before {
  background-image: url("../icons/image.svg");
}

.icon-moon::before {
  background-image: url("../icons/moon.svg");
}

.icon-folder::before {
  background-image: url("../icons/folder.svg");
}

.icon-refresh::before {
  background-image: url("../icons/refresh.svg");
}

.icon-star::before {
  background-image: url("../icons/star.svg");
}

.icon-chevron::before {
  background-image: url("../icons/chevron.svg");
}

.icon-check::before {
  background-image: url("../icons/check.svg");
}

.icon-shield::before {
  background-image: url("../icons/shield.svg");
}

.icon-users::before {
  background-image: url("../icons/users.svg");
}

.icon-device::before {
  background-image: url("../icons/device.svg");
}

.icon-download::before {
  background-image: url("../icons/download.svg");
}

.icon-android::before {
  background-image: url("../images/安卓.svg");
}

.icon-apple::before {
  background-image: url("../images/苹果.svg");
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 27, 38, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(201, 169, 106, 0.14);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(201, 169, 106, 0.3);
}

.nav-logo span {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #FFFFFF;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-menu li a {
  position: relative;
  font-size: 15px;
  color: var(--text-dim);
  padding: 8px 0;
  transition: color 0.25s;
}

.nav-menu li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-light), var(--cyan));
  border-radius: 2px;
  transition: width 0.25s;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--cyan-light);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
  color: var(--ink-deep) !important;
  font-weight: 700;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(91, 192, 208, 0.3);
}

.nav-cta::after {
  display: none !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
}

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

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

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

.hero {
  position: relative;
  padding: 150px 0 100px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, rgba(91, 192, 208, 0.22) 0%, transparent 60%),
    linear-gradient(180deg, #0A1B26 0%, #0E2432 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 106, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 106, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 75%);
  mask-image: radial-gradient(circle at center, black, transparent 75%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-text h1 {
  font-size: 58px;
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.hero-text h1 .accent {
  background: linear-gradient(135deg, var(--cyan-light), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 34px;
  max-width: 480px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--gold-light);
  font-size: 13px;
  background: rgba(201, 169, 106, 0.06);
}

.hero-badge .icon::before {
  width: 16px;
  height: 16px;
}

.hero-buttons {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 15px 28px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-download:hover {
  transform: translateY(-3px);
}

.btn-download .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  flex-shrink: 0;
}

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

.btn-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.btn-text small {
  font-size: 12px;
  opacity: 0.8;
}

.btn-text b {
  font-size: 16px;
}

.btn-android {
  background: linear-gradient(135deg, var(--cyan-light), var(--cyan));
  color: var(--ink-deep);
  box-shadow: 0 0 36px rgba(91, 192, 208, 0.35);
}

.btn-apple {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #1A1A1A;
  box-shadow: 0 0 36px rgba(201, 169, 106, 0.3);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-glow {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-glow::before {
  content: "";
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 65%);
  animation: pulse 3.2s ease-in-out infinite;
}

.logo-glow::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.logo-glow img {
  width: 210px;
  height: 210px;
  border-radius: 48px;
  border: 1px solid rgba(201, 169, 106, 0.4);
  box-shadow: 0 20px 60px rgba(91, 192, 208, 0.28);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.12); opacity: 1; }
}

.stats {
  padding: 56px 0;
  background: linear-gradient(180deg, #0E2432 0%, #0A1B26 100%);
  border-top: 1px solid rgba(201, 169, 106, 0.12);
  border-bottom: 1px solid rgba(201, 169, 106, 0.12);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  font-size: 44px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan-light), var(--gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  margin-top: 6px;
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 1px;
}

.block {
  padding: 100px 0;
}

.features {
  background: linear-gradient(180deg, #0A1B26 0%, #0E2432 100%);
}

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

.feature {
  position: relative;
  padding: 36px 30px;
  border-radius: 18px;
  background: linear-gradient(160deg, #12293A 0%, #0F2130 100%);
  border: 1px solid var(--border);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.feature:hover {
  transform: translateY(-6px);
  border-color: rgba(91, 192, 208, 0.5);
  box-shadow: 0 16px 40px rgba(91, 192, 208, 0.16);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(91, 192, 208, 0.12);
  border: 1px solid rgba(91, 192, 208, 0.25);
  margin-bottom: 22px;
}

.feature h3 {
  font-size: 20px;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.feature p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

.showcase {
  background: linear-gradient(180deg, #0E2432 0%, #0A1B26 100%);
}

.showcase-scroll-wrap {
  position: relative;
}

.showcase-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.showcase-row::-webkit-scrollbar {
  display: none;
}

.showcase-item {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, #12293A, #0F2130);
}

.showcase-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 27, 38, 0.94) 0%, rgba(10, 27, 38, 0.28) 45%, transparent 70%);
}

.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-label {
  position: absolute;
  bottom: 22px;
  left: 22px;
  z-index: 2;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 17px;
}

.showcase-label span {
  display: block;
  color: var(--cyan-light);
  font-size: 11px;
  letter-spacing: 3px;
  margin-bottom: 5px;
}

.showcase-scrollbar {
  display: none;
}

.showcase-scrollbar-thumb {
  width: 30%;
  height: 100%;
  background: var(--cyan);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.showcase-scrollbar-thumb:active {
  background: var(--cyan-light);
}

.reviews {
  background: linear-gradient(180deg, #0A1B26 0%, #0E2432 100%);
}

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

.review-card {
  padding: 32px 28px;
  border-radius: 18px;
  background: linear-gradient(160deg, #12293A 0%, #0F2130 100%);
  border: 1px solid var(--border);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
}

.review-stars .icon::before {
  width: 18px;
  height: 18px;
}

.review-text {
  font-size: 15px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 24px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  color: #0A1B26;
  font-weight: 800;
  font-size: 18px;
}

.review-name {
  font-size: 15px;
  color: #FFFFFF;
  font-weight: 700;
}

.review-role {
  font-size: 12px;
  color: var(--text-dim);
}

.cta {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, rgba(91, 192, 208, 0.2) 0%, transparent 60%),
    linear-gradient(180deg, #0A1B26 0%, #0E2432 100%);
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 106, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 106, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 70%);
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta h2 {
  font-size: 46px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.cta p {
  font-size: 17px;
  color: var(--text-dim);
  margin-bottom: 38px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

footer {
  background: #080F15;
  border-top: 1px solid rgba(201, 169, 106, 0.14);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo {
  margin-bottom: 18px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 14px;
  max-width: 300px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: var(--text-dim);
  font-size: 14px;
  transition: color 0.25s;
}

.footer-col a:hover {
  color: var(--cyan-light);
}

.footer-bottom {
  border-top: 1px solid rgba(201, 169, 106, 0.12);
  padding-top: 24px;
  text-align: center;
  color: #5B6B72;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .nav-menu {
    gap: 22px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

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

  .logo-glow {
    width: 280px;
    height: 280px;
  }

  .logo-glow img {
    width: 180px;
    height: 180px;
  }

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

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

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

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav {
    height: 64px;
    padding: 0 20px;
  }

  .nav-logo img {
    width: 34px;
    height: 34px;
  }

  .nav-logo span {
    font-size: 19px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #0A1B26;
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(201, 169, 106, 0.1);
  }

  .nav-menu li:last-child {
    border-bottom: none;
  }

  .nav-menu li a {
    display: block;
    padding: 16px 0;
    font-size: 16px;
  }

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

  .nav-cta {
    justify-content: center;
    margin-top: 14px;
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero-text h1 {
    font-size: 40px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  section.block {
    padding: 72px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section-head h2 {
    font-size: 30px;
  }

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

  .stat-num {
    font-size: 36px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .showcase-row {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 14px;
    -webkit-overflow-scrolling: touch;
  }

  .showcase-item {
    flex: 0 0 auto;
    width: 65%;
    max-width: 240px;
    border-radius: 16px;
  }

  .showcase-scrollbar {
    display: block;
    margin-top: 18px;
    margin-left: 4px;
    margin-right: 4px;
    height: 6px;
    background: rgba(201, 169, 106, 0.2);
    border-radius: 3px;
    position: relative;
    touch-action: none;
  }

  .showcase-scrollbar-thumb {
    width: 30%;
    height: 100%;
    background: var(--cyan);
    border-radius: 3px;
    position: absolute;
    left: 0;
    top: 0;
    cursor: grab;
    min-width: 30px;
  }

  .showcase-scrollbar-thumb:active {
    cursor: grabbing;
    background: var(--cyan-light);
  }

  .cta h2 {
    font-size: 34px;
  }

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

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

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

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

  .hero-buttons {
    gap: 12px;
  }

  .btn-download {
    padding: 13px 20px;
  }

  .logo-glow {
    width: 220px;
    height: 220px;
  }

  .logo-glow img {
    width: 150px;
    height: 150px;
    border-radius: 38px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .stat-num {
    font-size: 30px;
  }

  .showcase-item {
    width: 72%;
  }

  .cta h2 {
    font-size: 28px;
  }

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