@charset "UTF-8";

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1f2937;
  background: #f8fafc;
  line-height: 1.6;
}

body::-webkit-scrollbar {
  width: 6px;
}

body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background-color: #4aa74f;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: url("../img/logo.png") no-repeat center/cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-size: 15px;
  letter-spacing: 0.5px;
}

.brand-text span {
  font-size: 12px;
  color: #6b7280;
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 6px;
  flex: 1 1 520px;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 18px;
  scroll-padding: 0 18px;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  text-decoration: none;
  color: #374151;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

.nav a.active {
  color: #166534;
  background: #f0fdf4;
}

.nav a:hover {
  color: #1d8f3f;
  background: #f0fdf4;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  padding: 0;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  background: #111827;
  border-radius: 999px;
  display: block;
}

.lang-select {
  padding: 7px 10px;
  border: 1px solid #86c98a;
  border-radius: 8px;
  background: #fff;
  color: #1f2937;
}

.hero {
  padding: 64px 0 42px;
  background: linear-gradient(180deg, #f0fdf4 0%, #f8fafc 65%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: center;
}

.kicker {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #dcfce7;
  color: #166534;
  font-size: 13px;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 16px;
  color: #4b5563;
  margin-bottom: 22px;
}

.hero-image-wrap {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
}

.hero-image {
  width: 100%;
  display: block;
}

.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.download-list > div {
  min-width: 172px;
  height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 13px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.download-list .google {
  background: #000;
}

.download-list .iphone {
  background: #000;
}

.download-list .android {
  background: #000;
}

.download-list > div img {
  width: 19px;
  height: 19px;
  object-fit: contain;
}

.download-list > div:active {
  transform: scale(0.97);
  filter: brightness(0.86);
}

.download-list > div.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.metrics {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  text-align: center;
  padding: 24px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #f1f5f9;
}

.metric-card h3 {
  font-size: 28px;
  color: #111827;
  margin-bottom: 4px;
}

.metric-card p {
  font-size: 14px;
  color: #6b7280;
}

.section {
  padding: 64px 0;
}

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: #111827;
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #374151;
  transform: translateY(-1px);
}

.section-gray {
  background: #f1f5f9;
}

.section h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 16px;
}

.about-grid,
.cert-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: center;
}

.about-grid p {
  color: #4b5563;
  margin-bottom: 12px;
}

.store-card,
.cert-image-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

.store-card img,
.cert-image-card img {
  width: 100%;
  display: block;
}

.cat-item {
  padding: 12px 24px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  font-weight: 600;
  color: #374151;
  transition: all 0.2s ease;
}

.cat-item:hover {
  transform: translateY(-2px);
  border-color: #4aa74f;
  color: #4aa74f;
  background: #f0fdf4;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  position: relative;
}

.step-card {
  text-align: center;
  padding: 20px;
}

.step-number {
  width: 44px;
  height: 44px;
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bcf0c3;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  margin: 0 auto 20px;
}

.step-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.step-card p {
  font-size: 14px;
  color: #6b7280;
}

/* App Experience */
.app-experience {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.app-screenshot img {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto;
  border-radius: 24px;
  border: 1px solid #e5e7eb;
}

.app-features h2 {
  margin-bottom: 30px;
}

.feature-item {
  margin-bottom: 24px;
  padding: 16px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #f1f5f9;
}

.feature-item h4 {
  font-size: 17px;
  margin-bottom: 4px;
  color: #111827;
}

.feature-item p {
  font-size: 14px;
  color: #6b7280;
}

/* Trust Section */
.trust-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.trust-block h2 {
  font-size: 20px;
  margin-bottom: 20px;
  text-align: center;
}

.partner-logos, .payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.logo-placeholder, .method-item {
  padding: 12px 20px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 14px;
  color: #4b5563;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  transition: all 0.2s;
}

.method-item {
  font-weight: 600;
  color: #111827;
}

.logo-placeholder:hover, .method-item:hover {
  border-color: #4aa74f;
  background: #f0fdf4;
}

.service-card {
  background: #fff;
  padding: 32px;
  border-radius: 16px;
  border: 1px solid #f1f5f9;
  transition: all 0.2s ease;
}

.service-card:hover {
  border-color: #4aa74f;
  transform: translateY(-2px);
}

.service-card h3 {
  font-size: 19px;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: #6b7280;
}

.cert-info {
  list-style: none;
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.cert-info li {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 12px 14px;
  color: #374151;
}

.contact-list p {
  margin: 10px 0;
}

.download-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 18px;
}

.download-card h3 {
  margin-bottom: 10px;
}

.download-card p {
  color: #6b7280;
  margin-bottom: 16px;
}

.footer {
  background: #0f172a;
  color: #d1d5db;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-links a {
  text-decoration: none;
  color: #6b7280;
  font-size: 14px;
}

.footer-links a:hover {
  color: #1d8f3f;
}

.divider {
  color: #d1d5db;
}

.copyright {
  font-size: 13px;
  color: #9ca3af;
}

.mask {
  position: fixed;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.75);
  display: none;
}

.mask .info {
  position: absolute;
  top: 18px;
  right: 24px;
}

.mask .info .line {
  position: relative;
  top: 20px;
  left: 140px;
  width: 92px;
  height: 180px;
  background: url("../img/line.png") no-repeat center/100% 100%;
}

.mask .info .earth {
  position: relative;
  left: 76px;
  width: 58px;
  height: 58px;
  background: url("../img/earth.png") no-repeat center/100% 100%;
}

.mask .info .desc {
  display: flex;
  flex-direction: column;
  row-gap: 12px;
  margin-top: 14px;
}

.mask .info .desc .top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mask .info .desc .top .dot {
  width: 70px;
  height: 12px;
  background: url("../img/dot.png") no-repeat center/100% 100%;
}

.mask .info .desc .text {
  color: #fff;
  font-size: 24px;
}

@media (max-width: 1100px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .site-header.menu-open .nav {
    display: flex;
  }

  .nav a {
    width: 100%;
  }

  .hero-inner,
  .about-grid,
  .cert-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 10px 0;
    gap: 10px;
  }

  .brand-text strong {
    font-size: 13px;
    line-height: 1.2;
  }

  .brand-text span {
    display: none;
  }

  .logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
  }

  .lang-select {
    padding: 4px 6px;
    font-size: 12px;
    max-width: 100px;
  }

  .hero-inner, .about-grid, .contact-grid, .app-experience, .trust-section {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

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

  .metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .app-experience {
    gap: 40px;
  }

  .app-features {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 36px;
  }
  .section {
    padding: 42px 0;
  }
  .service-grid,
  .metrics {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    padding: 14px 0;
    text-align: center;
  }
  .mask .info .desc .text {
    font-size: 18px;
  }
}