html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: #F6F8FF;
  color: #222222;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(89, 126, 247, 0.10);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 20px;
}

.brand,
.drawer-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.brand img {
  width: 146px;
  height: auto;
}

.drawer-logo img {
  width: 142px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
}

.desktop-nav a,
.drawer-nav a {
  text-decoration: none;
  color: #3F4A66;
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.desktop-nav a {
  padding: 10px 12px;
  white-space: nowrap;
}

.desktop-nav a:hover,
.desktop-nav a.active,
.drawer-nav a:hover,
.drawer-nav a.active {
  color: #597EF7;
  background: rgba(89, 126, 247, 0.10);
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
  color: #FFFFFF;
  font-weight: 700;
  text-decoration: none;
  box-shadow:
    0 0 10px rgba(89, 126, 247, 0.28),
    0 0 22px rgba(122, 196, 245, 0.20),
    0 10px 24px rgba(89, 126, 247, 0.20);
  transition: all 0.25s ease;
  border: 0;
}

.main-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 14px rgba(89, 126, 247, 0.36),
    0 0 28px rgba(122, 196, 245, 0.26),
    0 14px 28px rgba(89, 126, 247, 0.24);
}

.header-btn {
  flex: 0 0 auto;
  padding: 10px 22px;
}

.menu-toggle,
.drawer-close {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(89, 126, 247, 0.10);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: #1D2B5F;
  border-radius: 8px;
}

.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(12, 18, 38, 0.42);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease;
  z-index: 9998;
}

.mobile-drawer {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: min(84vw, 340px);
  background: linear-gradient(160deg, #FFFFFF 0%, #ECF0FF 100%);
  z-index: 10000;
  transform: translateX(-104%);
  transition: transform 0.28s ease;
  padding: 22px;
  box-shadow: 16px 0 36px rgba(29, 43, 95, 0.18);
  overflow-y: auto;
}

.drawer-open .drawer-mask {
  opacity: 1;
  pointer-events: auto;
}

.drawer-open .mobile-drawer {
  transform: translateX(0);
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(89, 126, 247, 0.12);
  color: #1D2B5F;
  font-size: 28px;
  line-height: 1;
}

.drawer-nav {
  display: grid;
  gap: 10px;
}

.drawer-nav a {
  display: block;
  padding: 14px 16px;
  background: rgba(255,255,255,0.76);
  border: 1px solid rgba(89, 126, 247, 0.12);
}

.drawer-note {
  margin-top: 22px;
  padding: 16px;
  border-radius: 18px;
  color: #5B647A;
  line-height: 1.8;
  background: rgba(89, 126, 247, 0.08);
  border: 1px solid rgba(89, 126, 247, 0.14);
}

main {
  min-height: 60vh;
}

.container,
.section,
.narrow-section {
  width: min(1200px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

.page-hero,
.info-strip,
.cta-panel,
.hero-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.92) 0%, rgba(236,240,255,0.88) 52%, rgba(234,247,255,0.92) 100%);
  border: 1px solid rgba(89, 126, 247, 0.16);
  border-radius: 28px;
  box-shadow: 0 18px 44px rgba(89, 126, 247, 0.11);
}

.page-hero {
  width: min(1200px, calc(100% - 40px));
  margin: 28px auto 34px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: center;
  overflow: hidden;
}

.page-hero.no-image {
  display: block;
}

.eyebrow {
  color: #597EF7;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

h1,
h2,
h3 {
  color: #1D2B5F;
  margin-top: 0;
}

h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.12;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.22;
  margin-bottom: 18px;
}

h3 {
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 10px;
}

p {
  color: #3F4A66;
  line-height: 1.9;
  margin: 0 0 14px;
}

.lead {
  font-size: 17px;
  color: #3F4A66;
}

.hero-image,
.card-image,
.feature-image,
.service-visual {
  border-radius: 24px;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid rgba(89, 126, 247, 0.16);
  box-shadow: 0 18px 34px rgba(29, 43, 95, 0.10);
}

.hero-image img,
.card-image img,
.feature-image img,
.service-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #FFFFFF;
}

.section {
  margin-top: 42px;
  margin-bottom: 42px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-head p {
  max-width: 650px;
  margin-bottom: 0;
}

.banner-slider {
  max-width: 1200px;
  margin: 28px auto 36px;
  border-radius: 20px;
  background: #101827;
  box-shadow: 0 22px 48px rgba(16, 24, 39, 0.20);
  overflow: hidden;
  position: relative;
  height: 410px;
}

.banner-track,
.banner-slide {
  height: 100%;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.banner-slide.active {
  opacity: 1;
  position: relative;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #101827;
}

.banner-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.44);
  background: rgba(255,255,255,0.78);
  color: #1D2B5F;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(16, 24, 39, 0.18);
}

.banner-control.prev {
  left: 18px;
}

.banner-control.next {
  right: 18px;
}

.banner-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,0.64);
  cursor: pointer;
  transition: all 0.25s ease;
}

.banner-dot.active {
  width: 30px;
  background: linear-gradient(135deg, #7580EE, #7AC4F5);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.quick-card,
.info-card,
.matrix-card,
.faq-item,
.text-card,
.contact-card,
.step-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(89, 126, 247, 0.16);
  border-radius: 22px;
  box-shadow: 0 14px 32px rgba(89, 126, 247, 0.08);
}

.quick-card {
  display: block;
  text-decoration: none;
  padding: 20px;
  min-height: 132px;
  transition: all 0.24s ease;
}

.quick-card:hover,
.text-link:hover {
  transform: translateY(-2px);
}

.quick-num,
.card-tag,
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #597EF7;
  background: rgba(89, 126, 247, 0.10);
  border: 1px solid rgba(89, 126, 247, 0.14);
  font-weight: 800;
  border-radius: 999px;
}

.quick-num {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
}

.quick-card h2,
.quick-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.quick-card p,
.matrix-card p,
.info-card p,
.text-card p,
.step-card p {
  color: #5B647A;
  margin-bottom: 0;
}

.info-strip {
  padding: 28px 34px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.info-card {
  padding: 24px;
}

.info-card ul,
.feature-copy ul,
.page-list,
.check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.info-card li,
.feature-copy li,
.page-list li,
.check-list li {
  color: #3F4A66;
  line-height: 1.7;
  position: relative;
  padding-left: 22px;
}

.info-card li::before,
.feature-copy li::before,
.page-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #597EF7;
  box-shadow: 0 0 0 4px rgba(89,126,247,0.12);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  margin-bottom: 30px;
}

.feature-row.reverse .feature-image {
  order: 2;
}

.feature-copy {
  padding: 10px 6px;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: #597EF7;
  font-weight: 800;
  text-decoration: none;
  transition: all 0.2s ease;
}

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

.matrix-card {
  overflow: hidden;
}

.matrix-card .card-image {
  border-radius: 0;
  border: 0;
  box-shadow: none;
  height: 190px;
}

.matrix-body {
  padding: 22px;
}

.card-tag {
  padding: 7px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

.app-showcase,
.support-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: center;
  padding: 34px;
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(234,247,255,0.88));
  border: 1px solid rgba(89, 126, 247, 0.16);
  border-radius: 28px;
  box-shadow: 0 16px 38px rgba(89, 126, 247, 0.09);
}

.point-grid,
.card-grid,
.help-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.point-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 18px;
}

.text-card,
.contact-card,
.step-card {
  padding: 24px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.faq-item {
  padding: 24px;
}

.responsible-box,
.cta-panel {
  padding: 34px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.page-content {
  display: grid;
  gap: 24px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.step-num {
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
}

.notice-line {
  padding: 18px 22px;
  border-radius: 20px;
  background: rgba(89, 126, 247, 0.09);
  border: 1px solid rgba(89, 126, 247, 0.14);
  color: #3F4A66;
  line-height: 1.8;
}

.site-footer {
  margin-top: 56px;
  background: linear-gradient(135deg, #1F1F1F 0%, #2B2B2B 100%);
  color: #E8ECF5;
}

.footer-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 34px;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 34px;
}

.footer-brand img {
  width: 150px;
  margin-bottom: 18px;
}

.footer-brand p,
.footer-bottom p {
  color: #E8ECF5;
}

.footer-warning {
  opacity: 0.82;
}

.footer-links h2 {
  color: #FFFFFF;
  font-size: 18px;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  color: #E8ECF5;
  text-decoration: none;
  margin-bottom: 11px;
  opacity: 0.86;
}

.footer-links a:hover {
  color: #7AC4F5;
}

.footer-bottom {
  border-top: 1px solid rgba(232, 236, 245, 0.12);
  padding: 18px 20px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 14px;
}

@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-inner {
    justify-content: space-between;
  }

  .brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .brand img {
    width: 136px;
  }

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

  .page-hero,
  .app-showcase,
  .support-panel {
    grid-template-columns: 1fr;
  }

  .banner-slider {
    width: calc(100% - 40px);
    height: 320px;
  }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 66px;
    padding: 0 14px;
  }

  .brand img {
    width: 118px;
  }

  .header-btn {
    padding: 9px 14px;
    font-size: 13px;
  }

  .container,
  .section,
  .narrow-section,
  .page-hero,
  .footer-inner {
    width: calc(100% - 28px);
  }

  .page-hero {
    padding: 28px 20px;
    border-radius: 22px;
  }

  .banner-slider {
    width: calc(100% - 28px);
    height: 220px;
    margin-top: 18px;
    border-radius: 18px;
  }

  .banner-control {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .banner-control.prev { left: 10px; }
  .banner-control.next { right: 10px; }

  .section {
    margin-top: 32px;
    margin-bottom: 32px;
  }

  .section-head,
  .cta-panel {
    display: block;
  }

  .quick-grid,
  .info-grid,
  .matrix-grid,
  .faq-grid,
  .point-grid,
  .card-grid,
  .help-grid,
  .contact-grid,
  .two-col,
  .three-col,
  .feature-row,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse .feature-image {
    order: 0;
  }

  .app-showcase,
  .support-panel,
  .responsible-box,
  .cta-panel,
  .info-strip {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .matrix-card .card-image {
    height: 160px;
  }

  .footer-inner {
    gap: 22px;
  }
}