@charset "UTF-8";
:root {
  --blue: #315fc4;
  --blue-hover: #254da5;
  --ink: #182131;
  --muted: #6b7483;
  --line: #e4e7ed;
  --paper: #fff;
  --soft: #f5f7fa;
  --navy: #132544;
  --radius: 12px;
  --max: 1160px;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none
}
* {
  box-sizing: border-box
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px
}
body {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased
}
a {
  color: inherit;
  text-decoration: none
}
button {
  font: inherit
}
button,a,summary {
  -webkit-tap-highlight-color: transparent
}
button {
  cursor: pointer
}
button: focus-visible,a:focus-visible,summary:focus-visible {
  outline: 3px solid #8faef1;
  outline-offset: 5px
}
img {
  display: block;
  max-width: 100%
}
h1,h2,h3,p {
  margin: 0
}
h1,h2,h3 {
  text-wrap: balance
}
button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round
}
.shell {
  max-width: var(--max);
  margin-inline: auto;
  width: calc(100% - 96px)
}
.blue {
  color: var(--blue)
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 16px;
  background: var(--ink);
  color: #fff;
  padding: 9px 16px;
  z-index: 100;
  transform: translateY(-160%)
}
.skip-link:focus {
  transform: none
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff
}
.header-inner {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -.6px;
  flex-shrink: 0
}
.brand img {
  border-radius: 8px
}
.site-header nav {
  display: flex;
  gap: 34px;
  font-size: 13px
}
.site-header nav a,.text-link {
  transition: color .2s
}
.site-header nav a:hover,.text-link:hover {
  color: var(--blue)
}
.header-link {
  font-size: 12px;
  border: 1px solid #cbd5e8;
  padding: 8px 14px;
  border-radius: 6px
}
.header-link span {
  margin-left: 12px;
  color: var(--blue)
}
.hero {
  padding-block: 72px 70px;
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  align-items: center;
  gap: 48px
}
.eyebrow {
  font-size: 11px;
  font-weight: 550;
  letter-spacing: 1.2px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted)
}
.tiny-square {
  height: 6px;
  width: 6px;
  background: var(--blue)
}
h1 {
  font-size: clamp(42px,4.5vw,62px);
  font-weight: 650;
  letter-spacing: -2.8px;
  line-height: 1.28;
  margin-top: 27px
}
.hero-description {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 25px
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 34px
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 13px 20px;
  border: 0;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 550;
  line-height: 1.5;
  min-height: 46px;
  transition: background .2s
}
.primary {
  color: white;
  background: var(--blue)
}
.primary:hover {
  background: var(--blue-hover)
}
.text-link {
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 14px
}
.hero-notes {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--muted);
  font-size: 11px;
  margin-top: 31px
}
.hero-notes i {
  height: 3px;
  width: 3px;
  border-radius: 50%;
  background: #b5becb
}
.capability-strip {
  background: var(--soft);
  border-block: 1px solid #edf0f5
}
.capability-strip>.shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  font-size: 11px;
  color: var(--muted)
}
.capability-strip .shell>div {
  display: flex;
  gap: 45px;
  color: #55627a;
  font-size: 12px;
  letter-spacing: .4px
}
.section {
  padding-block: 94px
}
.section-heading {
  position: relative;
  margin-bottom: 40px
}
.section-heading h2 {
  font-size: 36px;
  letter-spacing: -1.2px;
  line-height: 1.45;
  margin-top: 15px;
  font-weight: 600
}
.section-heading>p:last-child:not(.eyebrow) {
  position: absolute;
  right: 0;
  bottom: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9
}
.feature-list {
  border-top: 1px solid var(--line)
}
.feature-row {
  display: grid;
  grid-template-columns: 65px 1fr 230px;
  gap: 15px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--line)
}
.feature-index {
  font: 12px ui-monospace,monospace;
  color: #94a2b8;
  align-self: start;
  padding-top: 4px
}
.feature-row h3 {
  font-size: 19px;
  font-weight: 550;
  letter-spacing: -.3px
}
.feature-row p {
  max-width: 580px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin-top: 8px
}
.feature-detail {
  display: flex;
  justify-content: flex-end;
  gap: 7px;
  font-size: 11px;
  color: var(--blue)
}
.type-label {
  padding: 6px 10px;
  border: 1px solid #dce5f5;
  border-radius: 5px;
  letter-spacing: .7px
}
.type-label span {
  margin-left: 8px
}
.mini-import {
  gap: 3px
}
.mini-import span {
  background: var(--soft);
  padding: 10px 13px;
  border-radius: 4px;
  color: #71809a
}
.backup-detail {
  align-items: center;
  gap: 12px
}
.mini-check {
  width: 21px;
  height: 21px;
  border: 1px solid #c1cee7;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 11px
}
.privacy-section {
  background: var(--navy);
  color: #f2f5fc;
  padding-block: 84px
}
.privacy-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px
}
.privacy-section .eyebrow {
  color: #9aacca
}
.privacy-section h2 {
  font-size: 48px;
  line-height: 1.4;
  font-weight: 550;
  letter-spacing: -1.4px;
  margin-top: 20px
}
.light-link {
  display: inline-flex;
  gap: 30px;
  font-size: 12px;
  color: #c5d5f5;
  margin-top: 29px
}
.privacy-facts article+article {
  margin-top: 28px;
  border-top: 1px solid #ffffff1f;
  padding-top: 23px
}
.privacy-facts article>span {
  font-size: 10px;
  color: #91a6cb;
  letter-spacing: 1px
}
.privacy-facts h3 {
  font-size: 18px;
  font-weight: 500;
  margin-top: 6px
}
.privacy-facts p {
  font-size: 12px;
  line-height: 1.9;
  color: #afbed7;
  margin-top: 5px;
  max-width: 460px
}
.guide-section {
  border-bottom: 1px solid var(--line)
}
.guide-steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 60px;
  margin: 0
}
.guide-steps li>span {
  font: 12px ui-monospace,monospace;
  color: var(--blue);
  display: block;
  margin-bottom: 14px
}
.guide-steps h3 {
  font-size: 20px;
  font-weight: 550
}
.guide-steps p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
  line-height: 1.9
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 90px
}
.faq-section h2 {
  font-size: 34px;
  letter-spacing: -1px;
  font-weight: 600;
  margin: 16px 0 22px
}
.faq-list {
  border-top: 1px solid var(--line)
}
details {
  border-bottom: 1px solid var(--line)
}
summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 19px 0;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500
}
summary: :-webkit-details-marker {
  display: none
}
summary>span {
  font-size: 20px;
  color: #8b98af;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform .2s
}
details[open] summary>span {
  transform: rotate(45deg)
}
details p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--muted);
  padding: 0 30px 22px 0
}
.download-section {
  border-top: 1px solid var(--line);
  padding-block: 46px 64px;
  display: flex;
  align-items: center;
  gap: 25px
}
.download-section>img {
  border-radius: 16px;
  flex-shrink: 0
}
.download-section h2 {
  font-size: 22px;
  font-weight: 550;
  letter-spacing: -.5px;
  margin-top: 5px
}
.download-section div>p:last-child {
  font-size: 12px;
  color: var(--muted);
  margin-top: 7px
}
.market-link {
  margin-left: auto;
  position: relative;
  white-space: nowrap
}
.market-link small {
  font-size: 9px;
  font-weight: 400;
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  right: 0;
  text-align: center;
  color: var(--muted)
}
.site-footer {
  border-top: 1px solid var(--line);
  background: #f8f9fb;
  padding-block: 30px 22px
}
.footer-top {
  display: flex;
  gap: 25px;
  align-items: center
}
.footer-top .brand {
  font-size: 18px
}
.footer-top>p {
  font-size: 11px;
  color: var(--muted)
}
.footer-top nav {
  margin-left: auto;
  display: flex;
  gap: 26px;
  font-size: 11px;
  color: #596779
}
.footer-bottom {
  font-size: 10px;
  color: #929baa;
  display: flex;
  justify-content: space-between;
  margin-top: 25px
}
.legal-main {
  padding-block: 58px 100px
}
.breadcrumb {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px
}
.breadcrumb a:hover {
  color: var(--blue)
}
.legal-heading {
  border-bottom: 1px solid var(--line);
  padding-bottom: 30px;
  margin-bottom: 40px
}
.legal-heading h1 {
  font-size: 38px;
  margin-top: 12px;
  letter-spacing: -1.3px
}
.legal-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 17px
}
.legal-layout {
  display: grid;
  grid-template-columns: 210px minmax(0,1fr);
  gap: 65px;
  align-items: start
}
.legal-toc {
  position: sticky;
  top: 30px;
  font-size: 12px
}
.legal-toc>span {
  font-size: 10px;
  letter-spacing: 1px;
  color: #94a0b2;
  display: block;
  margin-bottom: 12px
}
.legal-toc a {
  display: block;
  color: var(--muted);
  padding: 6px 0;
  line-height: 1.6
}
.legal-toc a:hover {
  color: var(--blue)
}
.legal-article {
  max-width: 775px;
  font-size: 14px;
  line-height: 1.95;
  overflow-wrap: anywhere
}
.legal-article .intro {
  background: var(--soft);
  padding: 23px 25px;
  border-left: 2px solid var(--blue);
  font-size: 13px;
  margin-bottom: 34px
}
.legal-article p+p {
  margin-top: 12px
}
.legal-article section {
  margin-top: 32px;
  scroll-margin-top: 35px
}
.legal-article h2 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 13px;
  letter-spacing: -.2px
}
.legal-article h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 20px 0 8px
}
.legal-article ul {
  padding-left: 21px;
  margin: 10px 0
}
.legal-article li+li {
  margin-top: 8px
}
.legal-article a {
  color: var(--blue);
  text-underline-offset: 4px;
  text-decoration: underline;
  text-decoration-color: #bacbed
}
.legal-article strong {
  font-weight: 600
}
.legal-article table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  line-height: 1.9;
  margin-top: 15px
}
.legal-article th,.legal-article td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  padding: 13px 15px
}
.legal-article th {
  background: var(--soft);
  font-weight: 550;
  white-space: nowrap
}
.legal-article td:first-child {
  width: 25%;
  color: #435779
}
.document-end {
  border-top: 1px solid var(--line);
  margin-top: 45px;
  padding-top: 25px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px
}
.print-button {
  background: none;
  border: 1px solid var(--line);
  font-size: 11px;
  padding: 7px 12px;
  border-radius: 5px;
  color: var(--muted)
}
.legal-heading-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px
}
.reduced-motion-note {
  display: none
}
@media(min-width:1450px) {
  .hero {
    gap: 85px;
    padding-block: 86px
  }
}
@media(max-width:1050px) {
  .shell {
    width: calc(100% - 64px)
  }
  .hero {
    gap: 28px
  }
  h1 {
    font-size: 46px;
    letter-spacing: -2px
  }
  .hero-actions {
    gap: 15px
  }
  .hero-actions .button {
    gap: 12px;
    padding-inline: 16px
  }
  .hero-actions .text-link {
    font-size: 11px;
    gap: 7px
  }
  .feature-row {
    grid-template-columns: 45px 1fr 165px
  }
  .feature-detail {
    font-size: 10px
  }
  .mini-import span {
    padding: 8px
  }
  .privacy-layout {
    gap: 50px
  }
  .faq-section {
    gap: 45px
  }
  .download-section h2 {
    font-size: 20px
  }
  .legal-layout {
    grid-template-columns: 170px minmax(0,1fr);
    gap: 35px
  }
}
@media(max-width:760px) {
  html {
    scroll-padding-top: 20px
  }
  .shell {
    width: calc(100% - 40px)
  }
  .header-inner {
    height: 70px;
    gap: 16px
  }
  .brand {
    font-size: 20px;
    gap: 8px
  }
  .brand img {
    width: 29px;
    height: 29px
  }
  .site-header nav {
    gap: 18px;
    font-size: 12px
  }
  .site-header nav[aria-label="主导航"] a:last-child {
    display: none
  }
  .header-link {
    display: none
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 43px 35px;
    gap: 36px
  }
  .hero-copy {
    text-align: center
  }
  .hero-copy .eyebrow {
    justify-content: center;
    font-size: 9px;
    letter-spacing: 1px
  }
  h1 {
    font-size: clamp(38px,7.6vw,56px);
    line-height: 1.32;
    letter-spacing: -1.7px;
    margin-top: 22px
  }
  .hero-description {
    font-size: 15px;
    margin-top: 19px
  }
  .hero-actions {
    justify-content: center;
    gap: 23px;
    margin-top: 26px
  }
  .hero-actions .button {
    padding-inline: 18px;
    gap: 20px;
    font-size: 12px
  }
  .hero-actions .text-link {
    font-size: 11px
  }
  .hero-notes {
    justify-content: center;
    font-size: 10px;
    margin-top: 23px
  }
  .capability-strip>.shell {
    min-height: 85px;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    font-size: 10px
  }
  .capability-strip .shell>div {
    gap: 30px;
    font-size: 11px
  }
  .section {
    padding-block: 57px
  }
  .section-heading {
    margin-bottom: 28px
  }
  .section-heading h2 {
    font-size: 29px;
    letter-spacing: -.7px
  }
  .section-heading>p:last-child:not(.eyebrow) {
    position: static;
    margin-top: 14px;
    font-size: 12px
  }
  .feature-row {
    grid-template-columns: 30px 1fr;
    gap: 8px;
    padding-block: 25px
  }
  .feature-row h3 {
    font-size: 17px
  }
  .feature-row p {
    font-size: 12px
  }
  .feature-detail {
    grid-column: 2;
    justify-content: flex-start;
    margin-top: 7px;
    font-size: 10px
  }
  .type-label {
    padding: 4px 8px
  }
  .mini-import span {
    padding: 5px 10px
  }
  .privacy-section {
    padding-block: 53px
  }
  .privacy-layout {
    grid-template-columns: 1fr;
    gap: 35px
  }
  .privacy-section h2 {
    font-size: 38px
  }
  .light-link {
    margin-top: 20px
  }
  .privacy-facts h3 {
    font-size: 17px
  }
  .privacy-facts article+article {
    margin-top: 23px;
    padding-top: 19px
  }
  .guide-steps {
    grid-template-columns: 1fr;
    gap: 29px
  }
  .guide-steps li {
    position: relative;
    padding-left: 43px
  }
  .guide-steps li>span {
    position: absolute;
    left: 0;
    top: 4px
  }
  .guide-steps h3 {
    font-size: 18px
  }
  .guide-steps p {
    font-size: 12px;
    margin-top: 6px
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 26px
  }
  .faq-section h2 {
    font-size: 29px;
    margin-block: 10px 14px
  }
  summary {
    font-size: 13px;
    padding-block: 18px
  }
  .download-section {
    flex-wrap: wrap;
    padding-block: 35px 52px;
    gap: 17px
  }
  .download-section>img {
    height: 53px;
    width: 53px;
    border-radius: 12px
  }
  .download-section>div {
    width: calc(100% - 70px)
  }
  .download-section .eyebrow {
    font-size: 8px;
    letter-spacing: .6px
  }
  .download-section h2 {
    font-size: 17px;
    line-height: 1.6
  }
  .download-section div>p:last-child {
    font-size: 10px
  }
  .market-link {
    margin: 9px 0 0 70px;
    font-size: 12px;
    min-height: 42px
  }
  .footer-top {
    gap: 17px;
    flex-wrap: wrap
  }
  .footer-top>p {
    margin-left: auto;
    font-size: 10px
  }
  .footer-top nav {
    margin-left: 0;
    width: 100%;
    gap: 25px;
    font-size: 11px;
    padding-top: 7px
  }
  .footer-bottom {
    font-size: 9px;
    gap: 12px
  }
  .footer-bottom span:last-child {
    font-size: 8px
  }
  .legal-main {
    padding-block: 30px 55px
  }
  .legal-heading {
    margin-bottom: 24px;
    padding-bottom: 22px
  }
  .legal-heading h1 {
    font-size: 30px;
    letter-spacing: -.8px
  }
  .legal-meta {
    font-size: 10px;
    margin-top: 11px
  }
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 27px
  }
  .legal-toc {
    position: static;
    display: flex;
    flex-wrap: wrap;
    column-gap: 17px;
    row-gap: 1px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 19px;
    font-size: 11px
  }
  .legal-toc>span {
    width: 100%;
    margin-bottom: 3px
  }
  .legal-toc a {
    padding-block: 4px
  }
  .legal-article {
    font-size: 13px
  }
  .legal-article .intro {
    font-size: 12px;
    padding: 17px 18px;
    margin-bottom: 28px
  }
  .legal-article h2 {
    font-size: 18px
  }
  .legal-article table {
    font-size: 11px
  }
  .legal-article th,.legal-article td {
    padding: 10px 8px
  }
  .legal-article td:first-child {
    width: 27%
  }
  .legal-article section {
    margin-top: 27px
  }
  .document-end {
    font-size: 11px
  }
  .print-button {
    font-size: 10px;
    padding: 6px 8px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto
  }
  *,*::before,*::after {
    animation: none!important;
    transition: none!important
  }
}
@media print {
  .site-header,.site-footer,.legal-toc,.print-button,.skip-link {
    display: none
  }
  .shell {
    width: 100%;
    max-width: none
  }
  .legal-main {
    padding: 0
  }
  .legal-layout {
    display: block
  }
  .legal-article {
    max-width: none;
    font-size: 11pt
  }
  .legal-heading {
    margin-bottom: 20px
  }
  .legal-article section {
    break-inside: avoid
  }
  .legal-article a {
    color: inherit
  }
  .legal-article .intro {
    background: none;
    border: 1px solid #ddd
  }
  .document-end {
    display: none
  }
}
/* Text-led cover: no simulated application or credentials. */
.hero {
  display: block;
  padding-block: 110px 104px;
  text-align: center
}
.hero-copy {
  max-width: 850px;
  margin-inline: auto
}
.hero-copy .eyebrow,.hero-actions,.hero-notes {
  justify-content: center
}
.hero h1 {
  font-size: clamp(48px,6vw,78px);
  line-height: 1.28;
  letter-spacing: -3px;
  margin-top: 28px
}
.hero-description {
  font-size: 18px;
  margin-top: 27px
}
.hero-actions {
  margin-top: 31px;
  gap: 29px
}
.hero-notes {
  margin-top: 27px
}
@media(max-width:760px) {
  .hero {
    padding-block: 63px 62px
  }
  .hero h1 {
    font-size: clamp(35px,8.8vw,56px);
    letter-spacing: -1.6px;
    margin-top: 22px
  }
  .hero-description {
    font-size: 14px;
    margin-top: 21px
  }
  .hero-actions {
    gap: 24px;
    margin-top: 26px
  }
  .hero-notes {
    margin-top: 24px
  }
}