* {
  box-sizing: border-box;
}

:root {
  --brand: rgb(89, 126, 247);
  --brand-hex: #597EF7;
  --brand-light: #ECF0FF;
  --bg: #F6F8FF;
  --sky: #EAF7FF;
  --deep: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --line: rgba(89, 126, 247, 0.16);
  --card: rgba(255, 255, 255, 0.86);
  --shadow: 0 16px 40px rgba(89, 126, 247, 0.10);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background: #F6F8FF;
  line-height: 1.8;
  overflow-x: hidden;
}

body.drawer-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  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);
  border-bottom: 1px solid rgba(89, 126, 247, 0.12);
}

.desktop-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand img,
.mobile-brand img,
.drawer-logo img,
.footer-logo img {
  width: 152px;
  height: auto;
  object-fit: contain;
}

.desktop-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.desktop-nav a {
  padding: 9px 12px;
  color: #1D2B5F;
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  transition: all .25s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: rgb(89, 126, 247);
  background: rgba(255, 255, 255, 0.70);
  box-shadow: inset 0 0 0 1px rgba(89, 126, 247, 0.16);
}

.main-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 22px;
  background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
  color: #fff;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 10px 24px rgba(89, 126, 247, 0.28);
  transition: transform .25s ease, box-shadow .25s ease;
}

.main-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.85) 35%, transparent 70%);
  transform: translateX(-120%);
  animation: btnShine 2.4s infinite;
  z-index: -1;
}

.main-btn::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,.65);
  box-shadow: 0 0 8px rgba(122,196,245,.55), 0 0 18px rgba(89,126,247,.35);
  pointer-events: none;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(89, 126, 247, 0.35);
}

@keyframes btnShine {
  0% { transform: translateX(-120%); }
  55% { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}

.mobile-header {
  display: none;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.menu-toggle,
.drawer-close {
  border: 0;
  background: rgba(255, 255, 255, 0.72);
  color: #1D2B5F;
  cursor: pointer;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(89, 126, 247, 0.16);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  flex: 0 0 42px;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: #1D2B5F;
  border-radius: 999px;
}

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

.mobile-brand img {
  width: 128px;
}

.mobile-register {
  min-height: 38px;
  padding: 8px 13px;
  font-size: 13px;
  flex: 0 0 auto;
}

.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(18, 26, 55, 0.42);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: min(84vw, 320px);
  height: 100vh;
  z-index: 10000;
  background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 56%, #EAF7FF 100%);
  box-shadow: 24px 0 45px rgba(29, 43, 95, 0.16);
  transform: translateX(-105%);
  transition: transform .3s ease;
  padding: 18px;
  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: 18px;
}

.drawer-logo img {
  width: 138px;
}

.drawer-close {
  width: 38px;
  height: 38px;
  font-size: 28px;
  line-height: 1;
}

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

.drawer-nav a {
  padding: 12px 14px;
  border-radius: 16px;
  color: #1D2B5F;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.70);
  border: 1px solid rgba(89, 126, 247, 0.14);
}

.drawer-nav a.active,
.drawer-nav a:hover {
  color: rgb(89, 126, 247);
  background: #FFFFFF;
}

.site-main {
  min-height: 60vh;
}

.hero-section {
  background: radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%), linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
  padding: 74px 0 58px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  align-items: center;
  gap: 44px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgb(89, 126, 247);
  font-weight: 900;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(89, 126, 247, 0.18);
  border-radius: 999px;
  padding: 7px 14px;
  box-shadow: 0 10px 26px rgba(89, 126, 247, 0.10);
}

.hero-title,
.sub-hero h1,
.section-title h2,
.article-title {
  color: #1D2B5F;
  letter-spacing: -.03em;
  line-height: 1.16;
}

.hero-title {
  font-size: clamp(38px, 5vw, 68px);
  margin: 22px 0 20px;
}

.hero-title span,
.blue-text {
  color: rgb(89, 126, 247);
}

.hero-copy {
  max-width: 620px;
  color: #3F4A66;
  font-size: 17px;
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-tags,
.pill-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-tags span,
.pill-list span,
.small-tag,
.card-tag {
  display: inline-flex;
  align-items: center;
  color: rgb(89, 126, 247);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(89, 126, 247, 0.16);
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 800;
  font-size: 13px;
}

.hero-visual {
  position: relative;
  padding: 22px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(89, 126, 247, 0.18);
  box-shadow: 0 24px 70px rgba(89, 126, 247, 0.16);
  backdrop-filter: blur(14px);
}

.hero-visual img {
  max-width: 100%;
  height: auto;
  max-height: 430px;
  object-fit: contain;
  margin: 0 auto;
  filter: drop-shadow(0 20px 32px rgba(29, 43, 95, 0.16));
}

.hero-mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.hero-mini-cards div {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(89, 126, 247, 0.15);
  border-radius: 18px;
  padding: 12px;
}

.hero-mini-cards strong {
  color: rgb(89, 126, 247);
  display: block;
  line-height: 1.4;
}

.hero-mini-cards span {
  display: block;
  color: #5B647A;
  font-size: 12px;
  line-height: 1.6;
  margin-top: 4px;
}

.section {
  padding: 72px 0;
}

.section.soft {
  background: #ECF0FF;
}

.section.white {
  background: #FFFFFF;
}

.section.sky {
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
}

.section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 42px);
}

.section-title p {
  margin: 8px 0 0;
  color: #5B647A;
  max-width: 610px;
}

.text-link {
  color: rgb(89, 126, 247);
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.text-link::after {
  content: "→";
  transition: transform .2s ease;
}

.text-link:hover::after {
  transform: translateX(3px);
}

.quick-nav {
  margin-top: -28px;
  position: relative;
  z-index: 2;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.quick-card,
.info-card,
.card,
.zone-card,
.security-card,
.faq-card,
.notice-box,
.sub-card {
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(89,126,247,0.16);
  box-shadow: 0 16px 40px rgba(89,126,247,0.10);
  border-radius: 24px;
}

.quick-card {
  padding: 18px;
  min-height: 132px;
}

.quick-card b,
.info-card b,
.security-card b {
  color: rgb(89, 126, 247);
  font-size: 13px;
  display: block;
  margin-bottom: 8px;
}

.quick-card h3,
.info-card h3,
.zone-card h3,
.security-card h3,
.faq-card h3,
.sub-card h3 {
  margin: 0 0 8px;
  color: #1D2B5F;
  line-height: 1.35;
}

.quick-card p,
.info-card p,
.zone-card p,
.security-card p,
.faq-card p,
.sub-card p {
  margin: 0;
  color: #5B647A;
  font-size: 14px;
}

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

.info-card {
  padding: 22px;
}

.feature-stack {
  display: grid;
  gap: 26px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 26px;
  border-radius: 32px;
  background: rgba(255,255,255,0.70);
  border: 1px solid rgba(89, 126, 247, 0.14);
  box-shadow: 0 18px 42px rgba(89, 126, 247, 0.08);
}

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

.feature-media {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
  border-radius: 26px;
  border: 1px solid rgba(89, 126, 247, 0.13);
  padding: 18px;
}

.content-img,
.zone-card img,
.app-section img,
.hero-visual img,
.sub-hero-media img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.feature-media img {
  max-height: 300px;
  margin: 0 auto;
}

.feature-content h2,
.feature-content h3 {
  color: #1D2B5F;
  line-height: 1.28;
  margin: 0 0 14px;
  font-size: clamp(24px, 3vw, 34px);
}

.feature-content p {
  color: #3F4A66;
  margin: 0 0 18px;
}

.service-points,
.check-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.service-points li,
.check-list li {
  position: relative;
  padding-left: 24px;
  color: #3F4A66;
}

.service-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgb(89, 126, 247);
  box-shadow: 0 0 0 5px rgba(89, 126, 247, 0.12);
}

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

.zone-card {
  overflow: hidden;
  padding: 18px;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.zone-card.wide {
  grid-column: span 2;
}

.zone-img-box {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
  border: 1px solid rgba(89, 126, 247, 0.12);
  padding: 12px;
}

.zone-img-box img {
  max-height: 138px;
  margin: 0 auto;
}

.zone-card .text-link {
  margin-top: auto;
}

.app-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 34px;
  align-items: center;
  padding: 36px;
  border-radius: 34px;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
  border: 1px solid rgba(89, 126, 247, 0.16);
  box-shadow: 0 22px 55px rgba(89, 126, 247, 0.12);
}

.app-media {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255,255,255,.62);
  border-radius: 28px;
  padding: 20px;
  border: 1px solid rgba(89,126,247,.13);
}

.app-media img {
  max-height: 360px;
}

.app-section h2 {
  color: #1D2B5F;
  margin: 0 0 14px;
  font-size: clamp(26px, 3vw, 40px);
}

.app-section p {
  color: #3F4A66;
}

.app-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 18px 0;
}

.app-points span {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(89, 126, 247, 0.15);
  border-radius: 18px;
  padding: 12px 14px;
  color: #1D2B5F;
  font-weight: 800;
}

.support-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.support-panel {
  border-radius: 30px;
  padding: 26px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(89,126,247,.16);
  box-shadow: var(--shadow);
}

.support-panel img {
  max-height: 230px;
  margin: 18px auto 0;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.security-card {
  padding: 18px;
}

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

.faq-card {
  padding: 22px;
}

.notice-box {
  padding: 26px;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(236,240,255,.92));
}

.notice-box h2,
.notice-box h3 {
  color: #1D2B5F;
  margin: 0 0 10px;
}

.notice-box p {
  margin: 0;
  color: #3F4A66;
}

.sub-hero {
  padding: 58px 0;
  background: radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%), linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
}

.sub-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 36px;
  align-items: center;
}

.sub-hero h1 {
  font-size: clamp(32px, 4vw, 54px);
  margin: 18px 0;
}

.sub-hero p {
  color: #3F4A66;
  margin: 0 0 18px;
  max-width: 710px;
}

.sub-hero-media {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  border-radius: 30px;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(89, 126, 247, .15);
  box-shadow: var(--shadow);
}

.sub-hero-media img {
  max-height: 320px;
  margin: 0 auto;
}

.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: start;
}

.article-body,
.side-panel {
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(89,126,247,.16);
  box-shadow: var(--shadow);
  border-radius: 28px;
  padding: 28px;
}

.article-body h2,
.article-body h3,
.side-panel h3 {
  color: #1D2B5F;
  line-height: 1.32;
  margin-top: 0;
}

.article-body p,
.side-panel p {
  color: #3F4A66;
}

.article-body p:last-child,
.side-panel p:last-child {
  margin-bottom: 0;
}

.sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.sub-card {
  padding: 20px;
}

.step-list {
  counter-reset: item;
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.step-list li {
  counter-increment: item;
  padding: 16px 18px 16px 54px;
  border-radius: 20px;
  background: rgba(236, 240, 255, .62);
  border: 1px solid rgba(89,126,247,.14);
  position: relative;
  color: #3F4A66;
}

.step-list li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  color: rgb(89, 126, 247);
  font-weight: 900;
}

.table-board {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  margin: 20px 0;
}

.table-board th,
.table-board td {
  border: 1px solid rgba(89,126,247,.14);
  padding: 14px;
  text-align: left;
  color: #3F4A66;
}

.table-board th {
  color: #1D2B5F;
  background: #ECF0FF;
}

.site-footer {
  color: rgba(255,255,255,.82);
  background: linear-gradient(135deg, #1F1F1F 0%, #2B2B2B 100%);
  padding: 52px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}

.footer-logo img {
  width: 148px;
  margin-bottom: 16px;
}

.footer-brand p,
.footer-note {
  color: rgba(255,255,255,.72);
  margin: 0 0 12px;
}

.site-footer h3 {
  margin: 0 0 14px;
  color: #FFFFFF;
}

.site-footer a {
  display: block;
  color: rgba(255,255,255,.72);
  margin: 8px 0;
}

.site-footer a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.10);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.62);
}

@media (max-width: 1040px) {
  .desktop-nav a {
    padding: 8px 8px;
    font-size: 13px;
  }
  .quick-grid,
  .overview-grid,
  .zone-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .desktop-header {
    display: none;
  }
  .mobile-header {
    display: flex;
  }
  .hero-grid,
  .sub-hero-grid,
  .feature-row,
  .app-section,
  .support-grid,
  .article-wrap {
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .feature-media {
    order: 0;
  }
  .hero-section {
    padding: 48px 0 42px;
  }
  .hero-actions {
    margin-bottom: 18px;
  }
  .hero-visual {
    padding: 16px;
    border-radius: 26px;
  }
  .hero-visual img {
    max-height: 330px;
  }
  .quick-nav {
    margin-top: 0;
    padding-top: 24px;
  }
  .section {
    padding: 54px 0;
  }
  .section-title {
    display: block;
  }
  .section-title .text-link {
    margin-top: 12px;
  }
  .feature-row,
  .app-section {
    padding: 18px;
  }
  .feature-media,
  .sub-hero-media {
    min-height: 210px;
  }
  .faq-grid,
  .security-grid,
  .sub-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 24px, 1180px);
  }
  .mobile-brand img {
    width: 112px;
  }
  .mobile-register {
    padding: 7px 10px;
    font-size: 12px;
  }
  .menu-toggle {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }
  .quick-grid,
  .overview-grid,
  .zone-grid,
  .app-points,
  .hero-mini-cards {
    grid-template-columns: 1fr;
  }
  .zone-card.wide {
    grid-column: auto;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-copy,
  .sub-hero p {
    font-size: 15px;
  }
  .sub-hero {
    padding: 42px 0;
  }
  .article-body,
  .side-panel,
  .support-panel,
  .notice-box {
    padding: 20px;
    border-radius: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    display: block;
  }
}