@charset "UTF-8";

:root {
  --ink: #20242b;
  --muted: #6f7882;
  --blue: #58bede;
  --blue-deep: #147da6;
  --blue-soft: #e8f7fb;
  --orange: #ff6643;
  --orange-soft: #fff0eb;
  --silver: #edf1f4;
  --paper: #fbfaf7;
  --white: #ffffff;
  --line: #cad5da;
  --content: 1200px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  padding-top: var(--header-height);
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure { margin: 0; }
button { color: inherit; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.section-shell { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }
.section-block { padding: 88px 0; border-top: 1px solid var(--line); }
.icon { display: inline-block; flex: 0 0 auto; width: 22px; height: 22px; background-position: center; background-repeat: no-repeat; background-size: contain; }
.icon-menu { background-image: url("../icons/menu.svg"); }
.icon-search { background-image: url("../icons/search.svg"); }
.icon-android { background-image: url("../icons/android.svg"); }
.icon-ios { background-image: url("../icons/ios.svg"); }
.icon-switch { background-image: url("../icons/switch.svg"); }
.icon-star { background-image: url("../icons/star.svg"); }
.icon-chat { background-image: url("../icons/chat.svg"); }
.icon-ticket { background-image: url("../icons/ticket.svg"); }
.icon-arrow { background-image: url("../icons/arrow.svg"); }
.icon-plus { background-image: url("../icons/plus.svg"); }
.icon-globe { background-image: url("../icons/globe.svg"); }
.icon-top { background-image: url("../icons/top.svg"); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  backface-visibility: hidden;
  transform: translateZ(0);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: min(calc(100% - 40px), var(--content)); height: 100%; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 190px; }
.brand img { width: 48px; height: 48px; object-fit: contain; border-radius: 12px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy strong { font-size: 20px; letter-spacing: -.4px; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 12px; }
.main-nav ul { display: flex; align-items: center; gap: 46px; }
.main-nav a { position: relative; display: block; padding: 26px 0 23px; font-weight: 700; font-size: 14px; white-space: nowrap; }
.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transition: transform .2s ease;
}
.main-nav a:hover, .main-nav a:focus-visible { color: var(--blue-deep); outline: none; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); }
.mobile-actions, .mobile-nav { display: none; }

.hero { position: relative; overflow: hidden; padding: 76px 0 64px; background: linear-gradient(120deg, var(--paper) 0 64%, var(--blue-soft) 64% 100%); }
.hero::before { position: absolute; top: 40px; right: 4%; width: 240px; height: 240px; border: 1px solid rgba(88, 190, 222, .35); border-radius: 50%; content: ""; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(360px, .7fr); align-items: center; min-height: 570px; }
.hero-copy { position: relative; z-index: 2; max-width: 660px; }
.eyebrow { margin-bottom: 12px; color: var(--orange); font-size: 13px; font-weight: 800; letter-spacing: 2px; }
.hero h1 { font-size: clamp(70px, 8vw, 126px); line-height: .92; letter-spacing: -7px; }
.hero-lead { margin-top: 24px; font-size: clamp(24px, 2.5vw, 38px); font-weight: 800; line-height: 1.25; }
.hero-description { max-width: 620px; margin-top: 24px; color: #45515a; font-size: 16px; }
.platform-list { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.platform-list a { display: inline-flex; align-items: center; gap: 9px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); color: var(--ink); font-weight: 700; white-space: nowrap; transition: color .2s, border-color .2s, background .2s; }
.platform-list a:hover, .platform-list a:focus-visible { color: var(--orange); border-color: var(--orange); background: var(--orange-soft); outline: none; }
.version-line { margin-top: 18px; color: var(--muted); font-size: 13px; }
.phone-stage { position: relative; display: flex; justify-content: center; min-width: 0; }
.issue-mark { position: absolute; top: 20px; right: -20px; color: rgba(88, 190, 222, .22); font-size: 260px; font-weight: 900; line-height: 1; }
.phone-shell {
  position: relative;
  z-index: 2;
  width: 292px;
  height: 570px;
  padding: 12px;
  background: #16191e;
  border: 2px solid #090b0e;
  border-radius: 46px;
  box-shadow: 28px 35px 0 rgba(88, 190, 222, .22);
}
.phone-screen { position: relative; display: flex; flex-direction: column; height: 100%; overflow: hidden; background: #fff; border-radius: 34px; }
.phone-status, .phone-title, .phone-tabs, .phone-heading, .phone-nav { display: flex; align-items: center; justify-content: space-between; }
.phone-status { padding: 11px 18px 5px; font-size: 12px; font-weight: 700; }
.phone-title { padding: 8px 16px; color: #fff; background: var(--ink); }
.phone-title strong { font-size: 16px; }
.phone-title .icon { width: 18px; height: 18px; filter: invert(1); }
.phone-tabs { padding: 0 10px; color: #fff; background: var(--ink); }
.phone-tabs span { padding: 8px 7px; font-size: 12px; }
.phone-tabs .is-active { background: var(--orange); font-weight: 700; }
.phone-search {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 12px 8px;
  padding: 9px 12px;
  color: #879099;
  background: var(--silver);
  border-radius: 18px;
  font-size: 12px;
}
.phone-search .icon { width: 14px; height: 14px; opacity: .65; }
.phone-heading { padding: 4px 15px 8px; font-size: 12px; }
.phone-books { padding: 0 15px; }
.phone-books li { position: relative; display: grid; grid-template-columns: 1fr auto; padding: 9px 0; border-top: 1px solid #e6eaed; }
.phone-books strong { font-size: 13px; }
.phone-books span { color: var(--muted); font-size: 12px; }
.phone-books em { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--blue-deep); font-size: 12px; font-style: normal; }
.phone-nav { margin-top: auto; padding: 10px 14px 13px; border-top: 1px solid #e3e7e9; font-size: 12px; }
.phone-nav .is-active { color: var(--orange); font-weight: 800; }

.section-heading { margin-bottom: 38px; }
.section-heading > span, .section-heading > div { display: flex; align-items: baseline; gap: 18px; }
.section-heading h2 { display: inline-block; font-size: clamp(32px, 4vw, 54px); line-height: 1.1; letter-spacing: -2px; }
.section-heading > p { margin-top: 12px; color: var(--muted); }
.section-number { color: var(--orange); font-size: 22px; font-weight: 900; font-variant-numeric: tabular-nums; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.split-heading > p { max-width: 430px; margin: 0; text-align: right; }

.catalog { background: var(--white); }
.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 18px;
  background: var(--blue-soft);
  border: 1px solid #b8deea;
}
.catalog-search { display: flex; align-items: center; gap: 10px; height: 48px; padding: 0 16px; color: var(--muted); background: #fff; border: 1px solid var(--line); }
.catalog-search .icon { opacity: .55; }
.filter-tabs { display: flex; gap: 8px; }
.filter-tabs button { min-width: 72px; padding: 11px 15px; background: var(--white); border: 1px solid var(--line); cursor: pointer; }
.filter-tabs button:hover, .filter-tabs button:focus-visible, .filter-tabs .is-active { color: #fff; background: var(--orange); border-color: var(--orange); outline: none; }
.alphabet { display: flex; align-items: center; gap: 18px; overflow-x: auto; padding: 22px 4px 16px; white-space: nowrap; scrollbar-width: thin; }
.alphabet strong { margin-right: 6px; }
.alphabet span:first-of-type { color: var(--orange); font-weight: 800; }
.title-table { border-top: 2px solid var(--ink); }
.table-row { display: grid; grid-template-columns: 1.1fr .9fr 1fr 1fr; gap: 22px; align-items: center; min-height: 54px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.table-row:nth-child(odd):not(.table-head) { background: #f5fbfd; }
.table-row.is-hidden { display: none; }
.table-head { color: #fff; background: var(--ink); font-size: 13px; font-weight: 700; }
.table-row strong { color: var(--blue-deep); }

.journey { background: linear-gradient(90deg, var(--orange-soft), #fff 48%, var(--blue-soft)); }
.journey-track { display: grid; grid-template-columns: repeat(4, 1fr); }
.journey-track li { position: relative; padding: 0 30px; text-align: center; }
.journey-track li:not(:last-child)::after {
  position: absolute;
  top: 30px;
  left: calc(50% + 35px);
  width: calc(100% - 70px);
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
  content: "";
}
.step-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  margin-bottom: 14px;
  background: #fff;
  border: 2px solid var(--blue);
  border-radius: 50%;
}
.journey-track strong { display: block; font-size: 18px; }
.journey-track p { margin-top: 7px; color: var(--muted); font-size: 13px; }

.interfaces { background: #f3f6f7; }
.screenshot-track { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; outline: none; }
.screenshot-track figure { display: grid; grid-template-rows: minmax(0, 1fr) auto; min-width: 0; height: 510px; overflow: hidden; background: #fff; border: 1px solid var(--line); }
.shot-frame { min-height: 0; overflow: hidden; background: #fff; }
.shot-frame img { display: block; width: 100%; height: 100%; object-fit: fill; }
.screenshot-track figcaption { display: flex; align-items: center; gap: 10px; min-height: 58px; padding: 12px; background: #fff; border-top: 1px solid var(--line); }
.screenshot-track figcaption span { color: var(--orange); font-size: 12px; font-weight: 900; }
.screenshot-track figcaption strong { font-size: 14px; }
.screenshot-track figure:nth-child(even) { border-top: 4px solid var(--blue); }
.screenshot-track figure:nth-child(odd) { border-top: 4px solid var(--orange); }

.download { background: var(--ink); color: #fff; }
.download .section-heading > p { color: #b9c2c9; }
.boarding-pass { display: grid; grid-template-columns: 1fr 1.5fr 190px; align-items: stretch; overflow: hidden; color: var(--ink); background: #fff; border-radius: 18px; }
.pass-info, .pass-routes { display: flex; align-items: center; padding: 28px; border-right: 1px dashed #9faab1; }
.pass-info { gap: 16px; background: var(--blue-soft); }
.pass-info .icon { width: 48px; height: 48px; }
.pass-info span, .pass-info p { color: var(--muted); font-size: 12px; }
.pass-info strong { display: block; font-size: 24px; }
.pass-routes { gap: 12px; }
.pass-routes a { display: flex; flex: 1; align-items: center; gap: 12px; min-height: 76px; padding: 12px 16px; border: 1px solid var(--line); }
.pass-routes a:hover, .pass-routes a:focus-visible { background: var(--orange-soft); border-color: var(--orange); outline: none; }
.pass-routes span { display: flex; flex-direction: column; }
.pass-routes small, .pass-routes strong { font-size: 13px; white-space: nowrap; }
.pass-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px;
  color: #fff;
  background: var(--orange);
  font-size: 20px;
  font-weight: 800;
  white-space: nowrap;
}
.pass-action .icon { filter: brightness(0) invert(1); }
.pass-action:hover, .pass-action:focus-visible { color: var(--ink); background: var(--blue); outline: 3px solid #fff; outline-offset: -6px; }

.support { background: var(--white); }
.faq-list { border-top: 2px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button,
.official-site > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 62px;
  padding: 16px 20px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
}
.faq-item button:hover, .faq-item button:focus-visible { color: var(--blue-deep); background: var(--blue-soft); outline: none; }
.faq-answer, .official-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .2s ease; }
.faq-answer p, .official-answer p { min-height: 0; overflow: hidden; color: var(--muted); }
.faq-item.is-open .faq-answer, .official-site.is-open .official-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p { padding: 4px 20px 20px; }
.faq-item.is-open .icon-plus { transform: rotate(45deg); }
.official-site { margin-top: 24px; border: 2px solid var(--blue-deep); }
.official-site > button span { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 800; }
.official-site > button:hover, .official-site > button:focus-visible { background: var(--blue-soft); outline: none; }
.official-site.is-open .official-answer p { padding: 0 20px 20px 54px; }

.reviews { background: var(--blue-soft); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-grid article { display: flex; flex-direction: column; min-height: 220px; padding: 24px; background: #fff; border: 1px solid #afd7e4; border-top: 5px solid var(--orange); }
.review-number { color: var(--blue-deep); font-size: 28px; font-weight: 900; }
.review-grid article > p { margin: 18px 0 24px; }
.review-grid footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  padding-top: 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.review-author { display: flex; align-items: center; gap: 8px; }
.review-avatar { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: var(--orange); color: #fff; font-size: 13px; font-weight: 700; }

.site-footer { color: #d9e0e4; background: #171b20; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; min-height: 190px; padding: 35px 0; }
.footer-brand { color: #fff; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 30px; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--blue); outline: none; }
.footer-inner > p { grid-column: 1 / -1; color: #9ea9b0; font-size: 12px; text-align: center; }
.back-to-top {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  opacity: 0;
  pointer-events: none;
  background: var(--orange);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(32, 36, 43, .2);
  cursor: pointer;
  transform: translateY(10px);
  transition: opacity .2s, transform .2s;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover, .back-to-top:focus-visible { background: var(--blue); outline: 3px solid #fff; }
.back-to-top .icon { filter: brightness(0) invert(1); }

@media (max-width: 1080px) {
  .screenshot-track { grid-template-columns: repeat(3, 1fr); }
  .boarding-pass { grid-template-columns: 1fr 1.45fr; }
  .pass-action { grid-column: 1 / -1; min-height: 72px; }
  .pass-routes { border-right: 0; }
}

@media (max-width: 780px) {
  :root { --header-height: 66px; }
  body { font-size: 14px; }
  .section-shell { width: min(calc(100% - 28px), var(--content)); }
  .section-block { padding: 62px 0; }
  .site-header { height: var(--header-height); }
  .header-inner { width: calc(100% - 24px); }
  .brand { min-width: 0; gap: 8px; }
  .brand img { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 17px; }
  .main-nav { display: none; }
  .mobile-actions { display: flex; align-items: center; gap: 8px; }
  .mobile-download { padding: 9px 12px; color: #fff; background: var(--orange); font-size: 12px; font-weight: 800; white-space: nowrap; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: #fff; border: 1px solid var(--ink); cursor: pointer; }
  .mobile-nav {
    position: fixed;
    z-index: 99;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: block;
    max-height: 0;
    overflow: hidden;
    background: #fff;
    border-bottom: 1px solid var(--line);
    transition: max-height .2s ease;
  }
  .mobile-nav.is-open { max-height: 290px; }
  .mobile-nav ul { padding: 8px 14px 14px; }
  .mobile-nav a { display: block; padding: 13px 12px; border-bottom: 1px solid var(--line); font-weight: 700; }
  .hero { padding: 48px 0 56px; background: linear-gradient(180deg, var(--paper) 0 58%, var(--blue-soft) 58% 100%); }
  .hero-grid { grid-template-columns: 1fr; gap: 52px; min-height: 0; }
  .hero h1 { font-size: clamp(58px, 18vw, 84px); letter-spacing: -5px; }
  .hero-lead { font-size: 25px; }
  .hero-copy { justify-self: center; text-align: center; }
  .hero-description { margin-left: auto; margin-right: auto; font-size: 14px; }
  .platform-list { justify-content: center; }
  .phone-stage { margin-bottom: 14px; }
  .issue-mark { right: 0; font-size: 190px; }
  .phone-shell { width: min(280px, 82vw); height: 540px; }
  .split-heading { display: block; }
  .split-heading > p { margin-top: 12px; text-align: left; }
  .section-heading h2 { font-size: 36px; }
  .catalog-toolbar { grid-template-columns: 1fr; }
  .filter-tabs { overflow-x: auto; padding-bottom: 2px; }
  .filter-tabs button { flex: 0 0 auto; }
  .table-row { grid-template-columns: 1fr 1fr; gap: 6px 14px; padding: 12px; }
  .table-row span:nth-child(3), .table-row span:nth-child(4) { color: var(--muted); font-size: 12px; }
  .table-head { display: none; }
  .journey-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .journey-track li { flex: 0 0 76vw; padding: 0 28px; scroll-snap-align: start; }
  .journey-track li::after { display: none; }
  .screenshot-track { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; }
  .screenshot-track figure { flex: 0 0 min(72vw, 270px); width: min(72vw, 270px); height: 510px; scroll-snap-align: start; }
  .boarding-pass { display: block; border-radius: 14px; }
  .pass-info, .pass-routes { padding: 22px; border-right: 0; border-bottom: 1px dashed #9faab1; }
  .pass-routes { display: grid; gap: 12px; }
  .pass-routes a { width: 100%; }
  .pass-action { min-height: 64px; }
  .review-grid { grid-template-columns: 1fr; }
  .review-grid article { min-height: 190px; }
  .footer-inner { display: flex; flex-direction: column; justify-content: center; text-align: center; }
  .footer-links { justify-content: center; gap: 18px; }
  .back-to-top { right: 14px; bottom: 14px; }
}

@media (max-width: 380px) {
  .brand-copy small { display: none; }
  .mobile-download { padding-right: 9px; padding-left: 9px; }
  .platform-list { gap: 10px; }
  .platform-list a { font-size: 13px; padding: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

.privacy-page { padding: 64px 0 80px; }
.privacy-head { margin-bottom: 36px; }
.privacy-head .section-number { display: block; margin-bottom: 10px; font-size: 13px; letter-spacing: 3px; }
.privacy-head h1 { font-size: clamp(32px, 4vw, 48px); line-height: 1.1; letter-spacing: -2px; }
.privacy-head p { margin-top: 12px; color: var(--muted); }
.privacy-content { max-width: 820px; }
.privacy-content h2 { margin: 28px 0 12px; font-size: 20px; line-height: 1.4; }
.privacy-content p { margin: 0 0 12px; color: var(--muted); line-height: 1.9; }
.privacy-content ul { margin: 0 0 12px; padding-left: 22px; color: var(--muted); line-height: 1.9; list-style: disc; }
.privacy-content li { margin: 6px 0; }
.privacy-footer { padding: 32px 0; text-align: center; }
.privacy-footer p { color: #9ea9b0; font-size: 13px; }

@media (max-width: 780px) {
  .privacy-page { padding: 44px 0 56px; }
  .privacy-content h2 { font-size: 18px; }
}