* {
  box-sizing: border-box;
}

:root {
  --primary: rgb(89, 126, 247);
  --primary-hex: #597EF7;
  --primary-soft: #ECF0FF;
  --primary-pale: #F6F8FF;
  --sky-soft: #EAF7FF;
  --title: #1D2B5F;
  --text: #222222;
  --muted: #5B647A;
  --line: rgba(89, 126, 247, 0.16);
  --shadow: 0 16px 40px rgba(89,126,247,0.10);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: #F6F8FF;
  line-height: 1.75;
  overflow-x: hidden;
}

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

img {
  display: block;
}

.container {
  width: min(1180px, calc(100% - 40px));
  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);
}

.header-desktop {
  min-height: 76px;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 20px;
}

.brand img,
.mobile-brand img,
.drawer-logo img,
.footer-logo img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.brand img {
  width: 152px;
}

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

.desktop-nav a {
  color: #1D2B5F;
  font-weight: 700;
  font-size: 15px;
  padding: 8px 12px;
  border-radius: 999px;
  transition: 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--primary);
  background: rgba(255,255,255,0.72);
  box-shadow: inset 0 0 0 1px rgba(89,126,247,0.13);
}

.main-btn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: 0.03em;
  box-shadow: 0 10px 24px rgba(89, 126, 247, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.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 32px rgba(89,126,247,0.34);
}

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

.mobile-topbar,
.mobile-drawer,
.drawer-mask {
  display: none;
}

.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: 70px 0 56px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 800;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(89,126,247,0.18);
  border-radius: 999px;
  padding: 7px 14px;
  box-shadow: 0 8px 24px rgba(89,126,247,0.10);
}

.hero-title,
.page-title,
.section-title h2,
.text-block h2,
.card h3,
.zone-card h3,
.faq-item h3 {
  color: #1D2B5F;
  line-height: 1.18;
}

.hero-title {
  margin: 22px 0 18px;
  font-size: clamp(34px, 5vw, 60px);
  letter-spacing: -0.04em;
}

.hero-desc {
  max-width: 660px;
  color: #3F4A66;
  font-size: 18px;
  margin: 0 0 26px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-note {
  color: #5B647A;
  font-size: 14px;
}

.tag-row,
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag,
.blue-tag {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
  background: rgba(236,240,255,0.84);
  border: 1px solid rgba(89,126,247,0.16);
  border-radius: 999px;
  padding: 6px 12px;
}

.hero-visual {
  position: relative;
}

.visual-panel {
  border-radius: 34px;
  padding: 22px;
  background: rgba(255,255,255,0.58);
  border: 1px solid rgba(89,126,247,0.18);
  box-shadow: 0 28px 70px rgba(89,126,247,0.17);
  backdrop-filter: blur(12px);
}

.hero-visual img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 26px;
  margin: 0 auto;
}

.hero-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.hero-mini-card {
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(89,126,247,0.14);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 12px 24px rgba(89,126,247,0.10);
}

.hero-mini-card b {
  color: var(--primary);
  display: block;
  font-size: 14px;
}

.hero-mini-card span {
  color: var(--muted);
  font-size: 13px;
}

.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 {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-title.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-title h2 {
  font-size: clamp(26px, 4vw, 42px);
  margin: 10px 0 12px;
}

.section-title p {
  color: var(--muted);
  margin: 0;
}

.quick-nav {
  margin-top: -26px;
  position: relative;
  z-index: 2;
}

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

.quick-card,
.info-card,
.card,
.zone-card,
.faq-item,
.safe-card,
.text-panel {
  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: 138px;
}

.quick-card .num,
.info-num,
.step-num {
  color: var(--primary);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.quick-card h3 {
  color: #1D2B5F;
  margin: 6px 0;
  font-size: 18px;
}

.quick-card p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.text-link {
  color: var(--primary);
  font-weight: 800;
}

.text-link:hover {
  text-decoration: underline;
}

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

.info-card {
  padding: 22px;
}

.info-card h3 {
  color: #1D2B5F;
  margin: 8px 0 8px;
  font-size: 19px;
}

.info-card p,
.card p,
.zone-card p,
.text-panel p,
.safe-card p,
.faq-item p,
.page-lead p,
.content-copy p {
  color: var(--muted);
  margin: 0;
}

.feature-stack {
  display: grid;
  gap: 30px;
}

.feature-row {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 30px;
  align-items: center;
  padding: 24px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(89,126,247,0.14);
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.feature-row.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.image-shell {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
  border: 1px solid rgba(89,126,247,0.14);
  padding: 18px;
}

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

.image-shell img {
  max-height: 310px;
  width: auto;
  margin: 0 auto;
}

.text-block h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  margin: 10px 0 12px;
}

.text-block p {
  color: #3F4A66;
  margin: 0 0 16px;
}

.point-list {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0 0 18px;
  list-style: none;
}

.point-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.point-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
}

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

.zone-card {
  overflow: hidden;
  min-height: 100%;
}

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

.zone-card .zone-img {
  height: 156px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
}

.zone-card .zone-img img {
  max-height: 128px;
  margin: 0 auto;
}

.zone-body {
  padding: 18px;
}

.zone-card h3 {
  margin: 10px 0 8px;
  font-size: 21px;
}

.zone-card p {
  margin-bottom: 12px;
}

.zone-card.no-image .zone-body {
  min-height: 274px;
  display: flex;
  flex-direction: column;
}

.zone-card.no-image .text-link {
  margin-top: auto;
}

.visual-strips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0 16px;
}

.visual-strips span {
  min-height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(236,240,255,0.95), rgba(234,247,255,0.95));
  border: 1px solid rgba(89,126,247,0.14);
}

.app-section {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 32px;
  align-items: center;
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
  border: 1px solid rgba(89,126,247,0.16);
  box-shadow: var(--shadow);
}

.app-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 30px;
  background: rgba(255,255,255,0.62);
  padding: 18px;
}

.app-visual img {
  max-height: 420px;
}

.function-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.function-item {
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(89,126,247,0.14);
  border-radius: 18px;
  padding: 14px;
  color: #3F4A66;
}

.support-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

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

.safe-card {
  padding: 18px;
}

.safe-card h3 {
  color: #1D2B5F;
  margin: 6px 0 8px;
  font-size: 18px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.faq-item {
  padding: 22px;
}

.faq-item h3 {
  font-size: 19px;
  margin: 0 0 10px;
}

.notice-band {
  background: #1F1F1F;
  color: rgba(255,255,255,0.88);
  border-radius: 30px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.notice-band h2 {
  color: #FFFFFF;
  margin: 0 0 8px;
}

.notice-band p {
  margin: 0;
  color: rgba(255,255,255,0.72);
}

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

.notice-list span {
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 7px 12px;
  color: #FFFFFF;
}

.page-hero {
  padding: 58px 0 44px;
  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%);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 34px;
  align-items: center;
}

.page-title {
  margin: 18px 0 16px;
  font-size: clamp(30px, 4vw, 50px);
  letter-spacing: -0.03em;
}

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

.page-visual {
  border-radius: 30px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(89,126,247,0.16);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-visual img {
  max-height: 330px;
  margin: 0 auto;
}

.content-layout {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 24px;
  align-items: start;
}

.content-copy,
.side-board,
.timeline,
.rich-card {
  background: rgba(255,255,255,0.86);
  border: 1px solid rgba(89,126,247,0.16);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: 26px;
}

.content-copy h2,
.side-board h2,
.timeline h2,
.rich-card h2 {
  color: #1D2B5F;
  margin: 0 0 12px;
  font-size: 25px;
}

.content-copy p + p {
  margin-top: 16px;
}

.split-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.card {
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.page-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-list li {
  padding: 14px;
  border-radius: 18px;
  background: #F6F8FF;
  border: 1px solid rgba(89,126,247,0.12);
  color: var(--muted);
}

.timeline-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 14px;
  align-items: start;
}

.timeline-item .time {
  color: var(--primary);
  font-weight: 900;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.faq-page {
  display: grid;
  gap: 16px;
}

.site-footer {
  background: linear-gradient(135deg, #1F1F1F 0%, #2B2B2B 100%);
  color: rgba(255,255,255,0.78);
  padding: 54px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 30px;
}

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

.footer-brand p {
  margin: 0;
  max-width: 420px;
}

.footer-col {
  display: grid;
  gap: 8px;
  align-content: start;
}

.footer-col h3 {
  color: #FFFFFF;
  margin: 0 0 8px;
  font-size: 18px;
}

.footer-col a {
  color: rgba(255,255,255,0.74);
}

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

.footer-bottom {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255,255,255,0.62);
}

@media (max-width: 1080px) {
  .header-desktop {
    grid-template-columns: 150px 1fr auto;
  }
  .desktop-nav a {
    font-size: 14px;
    padding: 8px 9px;
  }
  .quick-grid,
  .overview-grid,
  .zone-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-grid,
  .page-hero-grid,
  .content-layout,
  .support-grid,
  .app-section {
    grid-template-columns: 1fr;
  }
  .page-visual {
    max-width: 620px;
  }
}

@media (max-width: 860px) {
  .header-desktop {
    display: none;
  }
  .mobile-topbar {
    min-height: 66px;
    display: grid;
    grid-template-columns: 76px 1fr 116px;
    align-items: center;
    background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
    padding: 0 14px;
    gap: 8px;
  }
  .menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 16px;
    background: rgba(255,255,255,0.78);
    box-shadow: inset 0 0 0 1px rgba(89,126,247,0.14);
    display: grid;
    place-content: center;
    gap: 5px;
    padding: 0;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 3px;
    background: #1D2B5F;
  }
  .mobile-brand {
    justify-self: center;
  }
  .mobile-brand img {
    width: 126px;
  }
  .mobile-reg {
    justify-self: end;
    min-height: 38px;
    padding: 0 13px;
    font-size: 13px;
  }
  .drawer-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.38);
    opacity: 0;
    visibility: hidden;
    transition: 0.25s ease;
    z-index: 10000;
  }
  .drawer-mask.is-open {
    opacity: 1;
    visibility: visible;
  }
  .mobile-drawer {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    width: min(84vw, 320px);
    height: 100vh;
    background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
    z-index: 10001;
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    box-shadow: 20px 0 54px rgba(29,43,95,0.22);
    padding: 18px;
  }
  .mobile-drawer.is-open {
    transform: translateX(0);
  }
  .drawer-open {
    overflow: hidden;
  }
  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
  }
  .drawer-logo img {
    width: 140px;
  }
  .drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 14px;
    background: rgba(255,255,255,0.78);
    color: #1D2B5F;
    font-size: 24px;
    line-height: 1;
  }
  .drawer-nav {
    display: grid;
    gap: 10px;
  }
  .drawer-nav a {
    padding: 13px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,0.68);
    border: 1px solid rgba(89,126,247,0.12);
    color: #1D2B5F;
    font-weight: 800;
  }
  .drawer-nav a.active {
    color: var(--primary);
    background: #FFFFFF;
  }
  .hero-section {
    padding: 46px 0 42px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: 2;
  }
  .hero-mini-grid {
    grid-template-columns: 1fr;
  }
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .text-block {
    order: 2;
  }
  .feature-row.reverse .image-shell {
    order: 1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }
  .mobile-topbar {
    grid-template-columns: 58px 1fr 102px;
    padding: 0 10px;
  }
  .mobile-brand img {
    width: 112px;
  }
  .mobile-reg {
    min-height: 34px;
    padding: 0 10px;
    font-size: 12px;
  }
  .quick-nav {
    margin-top: -16px;
  }
  .quick-grid {
    display: flex;
    overflow-x: auto;
    gap: 12px;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
  }
  .quick-card {
    min-width: 220px;
    scroll-snap-align: start;
  }
  .overview-grid,
  .zone-grid,
  .support-cards,
  .faq-grid,
  .split-cards,
  .function-grid {
    grid-template-columns: 1fr;
  }
  .zone-card.wide {
    grid-column: span 1;
  }
  .section {
    padding: 52px 0;
  }
  .visual-panel,
  .feature-row,
  .app-section,
  .notice-band {
    border-radius: 24px;
    padding: 18px;
  }
  .notice-band {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .image-shell {
    min-height: 180px;
  }
  .app-visual img {
    max-height: 320px;
  }
  .page-hero {
    padding: 42px 0 36px;
  }
  .content-copy,
  .side-board,
  .timeline,
  .rich-card {
    padding: 20px;
  }
  .timeline-item {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}