:root {
  --paper: #fffdf9;
  --paper-2: #f4f7f8;
  --ink: #17324d;
  --muted: #65727d;
  --line: #d9e1e4;
  --hot: #ff5a3d;
  --hot-dark: #d93d25;
  --mint: #26a69a;
  --download: #167b72;
  --download-hover: #0f655f;
  --sun: #ffc94d;
  --night: #101d2a;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(23, 50, 77, 0.13);
  --container: min(1160px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.7;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(23, 50, 77, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(23, 50, 77, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  pointer-events: none;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--night);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(217, 225, 228, 0.88);
  background: rgba(255, 253, 249, 0.94);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  display: flex;
  width: var(--container);
  min-height: 76px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 900;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 9px;
  box-shadow: 0 5px 14px rgba(23, 50, 77, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 42px;
  padding: 8px 13px;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--hot-dark);
  border-bottom-color: var(--hot);
}

.site-nav .nav-download {
  margin-left: 8px;
  padding: 8px 18px;
  color: var(--white);
  border: 2px solid var(--night);
  border-radius: 5px;
  background: var(--download);
  box-shadow: 4px 4px 0 var(--night);
}

.site-nav .nav-download:hover {
  color: var(--white);
  border-bottom-color: var(--night);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--night);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.hero {
  overflow: hidden;
  padding: 70px 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  min-height: 610px;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 5px 11px;
  color: var(--hot-dark);
  border: 1px solid var(--hot);
  border-radius: 3px;
  background: #fff2ed;
  font-size: 12px;
  font-weight: 900;
}

.hero h1,
.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 68px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  color: var(--hot);
}

.hero-copy {
  max-width: 610px;
  margin: 24px 0 0;
  color: #465967;
  font-size: 18px;
}

.hero-actions,
.download-actions {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.button {
  display: inline-flex;
  min-width: 148px;
  min-height: 50px;
  padding: 11px 24px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  border: 2px solid var(--night);
  border-radius: 5px;
  background: var(--download);
  box-shadow: 5px 5px 0 var(--night);
  font-weight: 900;
  transition: 0.2s ease;
}

.button:hover,
.button:focus-visible {
  color: var(--white);
  background: var(--download-hover);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--night);
}

.button-light {
  color: var(--white);
  background: var(--download);
}

.button-light:hover,
.button-light:focus-visible {
  color: var(--white);
  background: var(--download-hover);
}

.platform-note {
  display: flex;
  color: var(--muted);
  align-items: center;
  gap: 9px;
  font-size: 13px;
}

.platform-note::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(38, 166, 154, 0.15);
  content: "";
}

.trust-row {
  display: grid;
  max-width: 520px;
  margin-top: 36px;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  background: var(--white);
}

.trust-row div {
  min-height: 76px;
  padding: 13px 12px;
  border-right: 1px solid var(--line);
}

.trust-row div:last-child {
  border-right: 0;
}

.trust-row strong,
.trust-row span {
  display: block;
}

.trust-row strong {
  font-size: 18px;
}

.trust-row span {
  color: var(--muted);
  font-size: 12px;
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 600px;
  place-items: center;
}

.hero-visual::before {
  position: absolute;
  width: 480px;
  height: 480px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--sun);
  content: "";
}

.phone-frame {
  position: relative;
  z-index: 2;
  width: min(300px, 74vw);
  padding: 11px;
  border: 3px solid var(--night);
  border-radius: 28px;
  background: var(--night);
  box-shadow: 18px 20px 0 rgba(23, 50, 77, 0.16);
  transform: rotate(3deg);
}

.phone-frame::before {
  position: absolute;
  top: 13px;
  left: 50%;
  z-index: 3;
  width: 72px;
  height: 8px;
  border-radius: 8px;
  background: var(--night);
  content: "";
  transform: translateX(-50%);
}

.phone-frame img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 18px;
}

.ticket-note {
  position: absolute;
  z-index: 4;
  width: 190px;
  padding: 14px 16px;
  border: 2px solid var(--night);
  background: var(--white);
  box-shadow: 6px 6px 0 var(--hot);
  font-size: 13px;
  font-weight: 800;
}

.ticket-note.top {
  top: 80px;
  right: 0;
  transform: rotate(-4deg);
}

.ticket-note.bottom {
  bottom: 70px;
  left: 0;
  transform: rotate(2deg);
}

.ticker {
  overflow: hidden;
  color: var(--white);
  border-top: 2px solid var(--night);
  border-bottom: 2px solid var(--night);
  background: var(--ink);
}

.ticker-track {
  display: flex;
  width: max-content;
  padding: 12px 0;
  animation: ticker 28s linear infinite;
}

.ticker-track span {
  padding-right: 54px;
  font-size: 13px;
  font-weight: 800;
}

.ticker-track span::after {
  margin-left: 54px;
  color: var(--sun);
  content: "+";
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

.section {
  padding: 92px 0;
}

.section-compact {
  padding: 66px 0;
}

.section-dark {
  color: var(--white);
  background: var(--night);
}

.section-mint {
  border-top: 2px solid var(--night);
  border-bottom: 2px solid var(--night);
  background: #dff5f1;
}

.section-head {
  display: flex;
  margin-bottom: 36px;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.section h2,
.section-compact h2 {
  max-width: 760px;
  margin: 0;
  font-size: 44px;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-number {
  color: var(--hot);
  font-size: 13px;
  font-weight: 900;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
}

.feature-item {
  min-height: 250px;
  padding: 28px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--white);
}

.feature-item:nth-child(2) {
  background: #fff0eb;
}

.feature-item:nth-child(3) {
  background: #dff5f1;
}

.feature-item:nth-child(4) {
  background: #fff5d8;
}

.feature-index {
  display: flex;
  width: 34px;
  height: 34px;
  margin-bottom: 38px;
  color: var(--white);
  border-radius: 50%;
  background: var(--ink);
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
}

.feature-item h3,
.route-card h3,
.step-card h2,
.manual-card h2 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.feature-item p,
.route-card p,
.step-card p,
.manual-card p {
  margin: 0;
  color: #526675;
  font-size: 14px;
}

.gallery-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 52px;
}

.gallery-copy {
  position: sticky;
  top: 112px;
  align-self: start;
}

.gallery-copy ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.gallery-copy li {
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #c8d6df;
  font-size: 14px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.app-shot {
  margin: 0;
}

.app-shot:nth-child(even) {
  padding-top: 72px;
}

.app-shot img {
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 0 auto;
  border: 2px solid #354b5d;
  background: #202020;
  box-shadow: 12px 12px 0 rgba(255, 90, 61, 0.7);
}

.app-shot figcaption {
  max-width: 400px;
  margin: 15px auto 0;
  color: #cbd5dc;
  font-size: 13px;
}

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

.route-card {
  position: relative;
  min-height: 250px;
  padding: 30px;
  border: 2px solid var(--ink);
  background: var(--white);
  box-shadow: 7px 7px 0 var(--ink);
}

.route-card .stamp {
  display: inline-block;
  margin-bottom: 40px;
  padding: 5px 10px;
  color: var(--hot-dark);
  border: 2px solid var(--hot);
  font-size: 12px;
  font-weight: 900;
  transform: rotate(-2deg);
}

.route-card a:not(.button) {
  display: inline-block;
  margin-top: 18px;
  color: var(--hot-dark);
  border-bottom: 1px solid currentColor;
  font-weight: 900;
}

.stats-band {
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--sun);
}

.stats-grid {
  display: grid;
  grid-template-columns: 0.85fr repeat(3, 1fr);
}

.stats-grid > div {
  min-height: 156px;
  padding: 28px;
  border-right: 2px solid var(--ink);
}

.stats-grid > div:first-child {
  border-left: 2px solid var(--ink);
  background: var(--hot);
  color: var(--white);
}

.stats-grid strong,
.stats-grid span {
  display: block;
}

.stats-grid strong {
  font-size: 34px;
}

.stats-grid span {
  font-size: 13px;
  font-weight: 800;
}

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

.review-card {
  margin: 0;
  padding: 26px;
  border-left: 4px solid var(--mint);
  background: var(--white);
  box-shadow: var(--shadow);
}

.review-card blockquote {
  margin: 0 0 18px;
  font-size: 15px;
}

.review-card figcaption {
  color: var(--muted);
  font-size: 12px;
}

.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.faq-list summary {
  position: relative;
  padding: 22px 48px 22px 4px;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 18px;
  right: 8px;
  font-size: 24px;
  content: "+";
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-answer {
  max-width: 880px;
  padding: 0 48px 22px 4px;
  color: #526675;
}

.faq-answer p {
  margin: 0 0 10px;
}

.faq-answer a,
.inline-link {
  color: var(--hot-dark);
  border-bottom: 1px solid currentColor;
  font-weight: 800;
}

.download-band {
  position: relative;
  overflow: hidden;
  padding: 76px 0;
  color: var(--white);
  background: var(--hot);
}

.download-band::after {
  position: absolute;
  top: -60px;
  right: 5%;
  width: 290px;
  height: 290px;
  border: 34px solid var(--sun);
  border-radius: 50%;
  content: "";
  opacity: 0.9;
}

.download-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.download-band h2 {
  max-width: 700px;
  margin: 0;
  font-size: 52px;
  line-height: 1.15;
}

.site-footer {
  padding: 48px 0 28px;
  color: #c5d0d8;
  background: var(--night);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr 0.7fr;
  gap: 42px;
}

.footer-brand {
  color: var(--white);
}

.footer-copy,
.disclaimer,
.copyright {
  color: #9eb0bd;
  font-size: 12px;
}

.footer-links strong {
  display: block;
  margin-bottom: 12px;
  color: var(--white);
}

.footer-links a {
  display: block;
  width: fit-content;
  margin: 7px 0;
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--sun);
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.page-hero {
  padding: 76px 0 58px;
  border-bottom: 2px solid var(--ink);
  background: #fff5d8;
}

.page-hero.guide-hero {
  background: #dff5f1;
}

.breadcrumbs {
  display: flex;
  margin-bottom: 18px;
  color: var(--muted);
  gap: 9px;
  font-size: 13px;
}

.page-hero h1 {
  font-size: 58px;
}

.page-lead {
  max-width: 780px;
  margin: 22px 0 0;
  color: #465967;
  font-size: 17px;
}

.quick-nav {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-nav a {
  padding: 7px 12px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
}

.article-flow {
  min-width: 0;
}

.step-card,
.manual-card {
  display: grid;
  margin-bottom: 30px;
  padding: 30px;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 20px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 6px 6px 0 #dfe7ea;
}

.step-number,
.manual-icon {
  display: flex;
  width: 54px;
  height: 54px;
  color: var(--white);
  border-radius: 50%;
  background: var(--hot);
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.manual-icon {
  background: var(--mint);
}

.step-card ul,
.manual-card ul,
.check-panel ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: #526675;
}

.step-card li,
.manual-card li,
.check-panel li {
  margin: 7px 0;
}

.article-aside {
  position: sticky;
  top: 108px;
  align-self: start;
  padding: 24px;
  border: 2px solid var(--ink);
  background: #fff5d8;
  box-shadow: 7px 7px 0 var(--ink);
}

.article-aside strong {
  display: block;
  margin-bottom: 13px;
}

.article-aside a {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid rgba(23, 50, 77, 0.16);
  font-size: 13px;
  font-weight: 700;
}

.check-panel {
  margin: 36px 0;
  padding: 30px;
  border: 2px solid var(--ink);
  background: #dff5f1;
}

.check-panel h2 {
  margin: 0 0 12px;
  font-size: 26px;
}

.notice {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--hot);
  background: #fff0eb;
  color: #4e5f6b;
}

.inline-shot {
  display: grid;
  max-width: 330px;
  margin: 26px 0 4px;
  grid-template-columns: 1fr;
  gap: 10px;
}

.inline-shot img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border: 2px solid var(--ink);
  background: #202020;
  box-shadow: 8px 8px 0 var(--sun);
}

.inline-shot figcaption {
  color: var(--muted);
  font-size: 12px;
}

.related-strip {
  padding: 32px;
  border: 2px solid var(--ink);
  background: var(--white);
}

.related-strip strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
}

.related-strip a {
  display: inline-block;
  margin: 0 18px 8px 0;
  color: var(--hot-dark);
  border-bottom: 1px solid currentColor;
  font-weight: 800;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-visual {
    min-height: 570px;
  }

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

  .gallery-layout,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .gallery-copy,
  .article-aside {
    position: static;
  }

  .route-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

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

  .stats-grid > div:nth-child(3) {
    border-left: 2px solid var(--ink);
    border-top: 2px solid var(--ink);
  }

  .stats-grid > div:nth-child(4) {
    border-top: 2px solid var(--ink);
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(1160px, calc(100% - 28px));
  }

  .nav-wrap {
    min-height: 68px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 14px;
    left: 14px;
    display: none;
    padding: 12px;
    border: 2px solid var(--ink);
    background: var(--paper);
    box-shadow: 7px 7px 0 var(--ink);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav a {
    display: block;
    width: 100%;
    margin: 0;
    padding: 11px 12px;
  }

  .site-nav .nav-download {
    margin-top: 7px;
  }

  .hero {
    padding-top: 50px;
  }

  .hero-grid {
    min-height: 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .hero-copy,
  .page-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .platform-note {
    width: 100%;
    overflow-wrap: anywhere;
  }

  .section h2,
  .section-compact h2 {
    font-size: 32px;
  }

  .download-band h2 {
    font-size: 38px;
  }

  .trust-row {
    grid-template-columns: 1fr;
  }

  .trust-row div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-row div:last-child {
    border-bottom: 0;
  }

  .hero-visual {
    min-height: 520px;
  }

  .hero-visual::before {
    width: 340px;
    height: 340px;
  }

  .ticket-note {
    width: 150px;
    font-size: 11px;
  }

  .ticket-note.top {
    top: 48px;
  }

  .ticket-note.bottom {
    bottom: 46px;
  }

  .section,
  .section-compact {
    padding: 64px 0;
  }

  .section-head,
  .download-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .feature-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .app-shot:nth-child(even) {
    padding-top: 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid > div,
  .stats-grid > div:nth-child(3),
  .stats-grid > div:nth-child(4) {
    border-top: 0;
    border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    border-left: 2px solid var(--ink);
  }

  .step-card,
  .manual-card {
    grid-template-columns: 1fr;
    padding: 23px;
  }

  .inline-shot {
    max-width: 290px;
  }

  .download-band::after {
    right: -140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ticker-track {
    animation: none;
  }

  * {
    transition: none !important;
  }
}