@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #FAFAFA;
  line-height: 1.6;
  background: #0A0A0A;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

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

ul, li {
  list-style: none;
}

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

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

.icon {
  display: inline-block;
  vertical-align: middle;
}

.icon::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 22px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  vertical-align: middle;
}

.icon-lg::before {
  width: 32px;
  height: 32px;
}

.icon-home::before { background-image: url("../icons/home.svg"); }
.icon-menu::before { background-image: url("../icons/menu.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-storage::before { background-image: url("../icons/storage.svg"); }
.icon-refresh::before { background-image: url("../icons/refresh.svg"); }
.icon-star::before { background-image: url("../icons/star.svg"); }
.icon-user::before { background-image: url("../icons/user.svg"); }
.icon-info::before { background-image: url("../icons/info.svg"); }
.icon-download::before { background-image: url("../icons/download.svg"); }
.icon-cloud::before { background-image: url("../icons/cloud.svg"); }
.icon-device::before { background-image: url("../icons/device.svg"); }
.icon-clock::before { background-image: url("../icons/clock.svg"); }
.icon-mail::before { background-image: url("../icons/mail.svg"); }
.icon-message::before { background-image: url("../icons/message.svg"); }
.icon-translate::before { background-image: url("../icons/translate.svg"); }
.icon-bookmark::before { background-image: url("../icons/bookmark.svg"); }
.icon-person::before { background-image: url("../icons/person.svg"); }
.icon-layers::before { background-image: url("../icons/layers.svg"); }
.icon-check::before { background-image: url("../icons/check.svg"); }
.icon-done::before { background-image: url("../icons/done.svg"); }

.icon-android {
  display: inline-block;
  vertical-align: middle;
}

.icon-android::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 26px;
  background-image: url("../images/安卓.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  vertical-align: middle;
}

.icon-apple {
  display: inline-block;
  vertical-align: middle;
}

.icon-apple::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 26px;
  background-image: url("../images/苹果.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  vertical-align: middle;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid #262626;
}

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

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

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

.nav-logo span {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, #BEF264, #A3E635);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

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

.nav-menu li a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: #A3A3A3;
  padding: 8px 0;
  transition: color 0.3s;
}

.nav-menu li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #A3E635, #BEF264);
  transition: width 0.3s;
}

.nav-menu li a:hover {
  color: #FAFAFA;
}

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

.nav-cta {
  background: #A3E635;
  color: #0A0A0A !important;
  padding: 10px 22px !important;
  border-radius: 999px;
  font-weight: 700 !important;
  font-size: 14px !important;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: #A3E635;
  border-radius: 3px;
  transition: all 0.3s;
}

.hero {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(163, 230, 53, 0.16) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(132, 204, 22, 0.1) 0%, transparent 45%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(163, 230, 53, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(163, 230, 53, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent);
  mask-image: linear-gradient(to bottom, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(163, 230, 53, 0.1);
  border: 1px solid rgba(163, 230, 53, 0.3);
  color: #A3E635;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #A3E635;
  border-radius: 50%;
  box-shadow: 0 0 12px #A3E635;
}

.hero h1 {
  font-size: 80px;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, #BEF264 0%, #84CC16 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: #A3A3A3;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 480px;
}

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

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.3s, box-shadow 0.3s;
}

.btn-android {
  background: #A3E635;
  color: #0A0A0A;
  box-shadow: 0 0 40px rgba(163, 230, 53, 0.35);
}

.btn-apple {
  background: #1F1F1F;
  color: #FAFAFA;
  border: 1px solid #404040;
}

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

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.btn-text small {
  font-size: 11px;
  opacity: 0.75;
  font-weight: 500;
}

.btn-text span {
  font-size: 16px;
  line-height: 1.2;
}

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

.logo-glow {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-glow::before {
  content: "";
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(163, 230, 53, 0.28) 0%, transparent 70%);
  filter: blur(40px);
  -webkit-filter: blur(40px);
}

.logo-glow img {
  position: relative;
  z-index: 2;
  width: 220px;
  height: 220px;
  border-radius: 48px;
  box-shadow: 0 30px 80px rgba(163, 230, 53, 0.28);
}

.logo-ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(163, 230, 53, 0.3);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.logo-ring::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 8px;
  height: 8px;
  background: #A3E635;
  border-radius: 50%;
  box-shadow: 0 0 16px #A3E635;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

section.block {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  color: #A3E635;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-head p {
  color: #A3A3A3;
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.stats {
  border-top: 1px solid #1F1F1F;
  border-bottom: 1px solid #1F1F1F;
  padding: 48px 0;
  background: #0F0F0F;
}

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

.stat {
  text-align: center;
  position: relative;
}

.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: #262626;
}

.stat-num {
  font-size: 44px;
  font-weight: 900;
  background: linear-gradient(135deg, #BEF264, #84CC16);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: #737373;
  margin-top: 6px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature {
  background: #141414;
  border: 1px solid #262626;
  border-radius: 20px;
  padding: 36px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #A3E635, transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature:hover {
  border-color: #A3E635;
  transform: translateY(-4px);
  background: #171717;
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(163, 230, 53, 0.1);
  border: 1px solid rgba(163, 230, 53, 0.3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i::before {
  width: 28px;
  height: 28px;
}

.feature h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature p {
  color: #A3A3A3;
  font-size: 14px;
  line-height: 1.7;
}

.showcase {
  background: linear-gradient(180deg, #0A0A0A 0%, #0F0F0F 100%);
}

.showcase-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.showcase-item {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #262626;
  background: linear-gradient(135deg, #1A1A1A, #0F0F0F);
}

.showcase-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.92) 0%, rgba(10, 10, 10, 0.3) 45%, transparent 70%);
}

.showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.showcase-label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  color: #FAFAFA;
  font-weight: 600;
  font-size: 16px;
}

.showcase-label span {
  display: block;
  color: #A3E635;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

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

.showcase-scrollbar {
  display: none;
}

.showcase-scrollbar-thumb {
  width: 30%;
  height: 100%;
  background: #A3E635;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.showcase-scrollbar-thumb:active {
  background: #BEF264;
}

.showcase-row {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.cta {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  text-align: center;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(163, 230, 53, 0.14) 0%, transparent 55%);
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(163, 230, 53, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(163, 230, 53, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  -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: 60px;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.cta h2 .accent {
  background: linear-gradient(135deg, #BEF264, #84CC16);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta p {
  color: #A3A3A3;
  font-size: 18px;
  margin-bottom: 40px;
}

.faq {
  background: #0F0F0F;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #141414;
  border: 1px solid #262626;
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.active {
  border-color: rgba(163, 230, 53, 0.4);
}

.faq-question {
  width: 100%;
  padding: 20px 25px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: #FAFAFA;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
  font-family: inherit;
}

.faq-question:hover {
  background: #1A1A1A;
}

.faq-question::after {
  content: "+";
  font-size: 24px;
  color: #A3E635;
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question::after {
  content: "−";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
}

.faq-answer-inner {
  padding: 0 25px 20px;
  font-size: 14px;
  color: #A3A3A3;
  line-height: 1.8;
}

.reviews {
  background: linear-gradient(180deg, #0F0F0F 0%, #0A0A0A 100%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: #141414;
  border: 1px solid #262626;
  border-radius: 18px;
  padding: 28px 24px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(163, 230, 53, 0.2), rgba(132, 204, 22, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}

.review-avatar i::before {
  width: 24px;
  height: 24px;
}

.review-user h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

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

.review-stars i::before {
  width: 14px;
  height: 14px;
}

.review-content {
  font-size: 14px;
  color: #A3A3A3;
  line-height: 1.8;
}

footer {
  border-top: 1px solid #1F1F1F;
  padding: 60px 0 30px;
  background: #0F0F0F;
}

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

.footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  margin-bottom: 16px;
}

.footer-brand h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.footer-brand p {
  color: #A3A3A3;
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #A3E635;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #A3A3A3;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: #FAFAFA;
}

.footer-bottom {
  border-top: 1px solid #1F1F1F;
  padding-top: 24px;
  text-align: center;
  color: #525252;
  font-size: 13px;
}

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

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero h1 {
    font-size: 60px;
  }

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

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

  .section-head h2 {
    font-size: 40px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .stat:nth-child(2)::after,
  .stat:nth-child(4)::after {
    display: none;
  }

  .cta h2 {
    font-size: 48px;
  }

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

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

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

  .nav-logo {
    gap: 10px;
  }

  .nav-logo img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #0F0F0F;
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 0;
    border-bottom: 1px solid #262626;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

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

  .nav-menu li {
    border-bottom: 1px solid #1F1F1F;
  }

  .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 {
    display: inline-flex !important;
    justify-content: center;
    margin-top: 16px;
  }

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

  .hero h1 {
    font-size: 44px;
    letter-spacing: -1px;
  }

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

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

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

  .logo-glow {
    width: 260px;
    height: 260px;
  }

  .logo-glow img {
    width: 180px;
    height: 180px;
    border-radius: 40px;
  }

  section.block {
    padding: 72px 0;
  }

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

  .section-head h2 {
    font-size: 32px;
  }

  .stats {
    padding: 36px 0;
  }

  .stats-grid {
    gap: 24px;
  }

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

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

  .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;
    aspect-ratio: 9 / 16;
    border-radius: 14px;
  }

  .showcase-scrollbar {
    display: block;
    margin-top: 8px;
    margin-left: 4px;
    margin-right: 4px;
    height: 6px;
    background: #262626;
    border-radius: 3px;
    position: relative;
    touch-action: none;
  }

  .showcase-scrollbar-thumb {
    width: 30%;
    height: 100%;
    background: #A3E635;
    border-radius: 3px;
    position: absolute;
    left: 0;
    top: 0;
    cursor: grab;
    min-width: 30px;
  }

  .showcase-scrollbar-thumb:active {
    cursor: grabbing;
    background: #BEF264;
  }

  .feature {
    padding: 28px 22px;
  }

  .cta {
    padding: 72px 0;
  }

  .cta h2 {
    font-size: 36px;
  }

  .cta p {
    font-size: 16px;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 20px 18px;
  }

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

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

  .footer-brand p {
    max-width: 100%;
  }

  .footer-col h4 {
    font-size: 13px;
    margin-bottom: 12px;
  }

  .footer-col li {
    margin-bottom: 8px;
  }

  .footer-col a {
    font-size: 13px;
  }
}

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

  .hero h1 {
    font-size: 36px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .stat-label {
    font-size: 12px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .cta h2 {
    font-size: 30px;
  }

  .btn-download {
    padding: 14px 22px;
  }

  .btn-text span {
    font-size: 15px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}