:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #13324c;
  --muted: #6c8396;
  --accent: #ef781f;
  --accent-hover: #d65f10;
  --line: #d8e1e8;
  --font: "Noto Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  --radius: 8px;
  --media-radius: 12px;
  --gutter: clamp(24px, 5vw, 80px);
}
html[lang="en"] { --font: "Segoe UI", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.8 var(--font); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; border-radius: 3px; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
h1, h2, h3 { font-weight: 750; line-height: 1.2; letter-spacing: -.035em; }
h1 > span, h2 > span { display: block; }
h2 { font-size: clamp(30px, 3.1vw, 46px); }
h3 { font-size: 28px; letter-spacing: -.02em; }
p { color: var(--muted); }
.container { width: calc(100% - var(--gutter) * 2); max-width: 1280px; margin-inline: auto; }
.section-divider { border-top: 1px solid var(--line); }
.skip-link { position: absolute; left: 24px; top: -100px; z-index: 2; padding: 8px 20px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
.site-header { min-height: 124px; display: flex; align-items: center; gap: 40px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; gap: 8px; }
.brand > img { width: 86px; height: 86px; }
.brand-wordmark { font-size: 24px; letter-spacing: .035em; font-weight: 750; line-height: 1.3; }
.brand-wordmark > span { display: block; font-size: 12px; letter-spacing: .03em; font-weight: 500; color: var(--muted); margin-top: 5px; }
.site-header nav { display: flex; align-items: center; margin-left: auto; gap: 34px; font-size: 16px; font-weight: 600; }
.site-header nav a, .site-footer nav a { padding-block: 12px; }
.site-header nav a:hover, .site-footer nav a:hover, .language-link:hover { color: var(--accent-hover); }
.language-link { border-left: 1px solid var(--line); padding: 4px 0 4px 34px; font-size: 16px; font-weight: 600; }
.hero { display: grid; grid-template-columns: .95fr 1.25fr; align-items: center; gap: 46px; padding-block: 26px 78px; }
.hero h1 { font-size: clamp(48px, 5.6vw, 84px); line-height: 1.18; letter-spacing: -.045em; }
.hero-description { max-width: 530px; margin-top: 26px; color: var(--ink); font-size: 19px; line-height: 1.8; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; }
.hero .actions { margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 62px; border: 1.5px solid transparent; border-radius: var(--radius); padding: 14px 26px; font-size: 18px; line-height: 1.5; font-weight: 650; transition: background-color .18s, border-color .18s; }
.button-primary { background: var(--accent); color: #fff; }
.button-primary:hover { background: var(--accent-hover); }
.button-outline { border-color: var(--ink); background: #fff; color: var(--ink); }
.button-outline:hover { background: #f2f6f9; }
.arrow-icon, .chat-icon, .call-icon { width: 22px; height: 22px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.chat-icon, .call-icon { width: 24px; height: 24px; }
.small-note { font-size: 14px; line-height: 1.8; margin-top: 18px; }
.hero-image { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: right center; border-radius: var(--media-radius); }
.services-app { padding-top: 58px; }
.section-heading { text-align: center; }
.section-heading p { margin-top: 18px; }
.service-grid { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 48px; }
.service-grid li { padding: 24px 18px; text-align: center; font-weight: 650; font-size: 24px; position: relative; }
.service-grid li:nth-child(-n+5) { border-bottom: 1px solid var(--line); }
.service-grid li:not(:nth-child(5n))::after { content: ""; position: absolute; right: 0; top: 22px; bottom: 22px; width: 1px; background: var(--line); }
.service-process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; list-style: none; margin-block: 44px 46px; }
.service-process li { display: flex; align-items: center; gap: 18px; font-size: 24px; line-height: 1.45; }
.step-number { font-size: 46px; letter-spacing: -.04em; font-weight: 650; }
.service-process .arrow-icon { width: 30px; color: var(--muted); margin-left: auto; }
.app-section { display: grid; grid-template-columns: .95fr 1.1fr; align-items: center; gap: 66px; padding-block: 62px 82px; }
.app-copy > p:not(.small-note) { margin-top: 26px; margin-bottom: 34px; }
.app-copy .small-note { max-width: 490px; }
.app-screens { display: flex; align-items: flex-start; justify-content: center; gap: 30px; }
.phone-frame { width: 60%; max-width: 272px; flex-shrink: 0; border: 6px solid #232523; padding: 2px; background: #232523; border-radius: 28px; overflow: hidden; box-shadow: 0 14px 25px #13324c1c; }
.phone-frame > img { width: 100%; border-radius: 19px; }
.download-section { padding-block: 64px 72px; }
.platform-downloads { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; margin-top: 46px; }
.platform-label { color: var(--accent-hover); font-size: 13px; line-height: 1.5; font-weight: 750; letter-spacing: .12em; margin-bottom: 14px; }
.platform-download > p:not(.platform-label) { margin-top: 18px; }
.platform-download .release-version { color: var(--ink); font-size: 16px; }
.release-version strong { margin-left: 8px; font-weight: 650; }
.platform-download .actions { margin-top: 26px; }
.ios-download { padding-left: 56px; border-left: 1px solid var(--line); }
.ios-download .text-link { display: inline-block; margin-top: 18px; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; padding-block: 82px 68px; }
.contact-actions > p:not(.telephone) { margin-top: 20px; margin-bottom: 28px; }
.telephone { display: flex; flex-direction: column; margin-top: 24px; color: var(--ink); line-height: 1.5; }
.telephone > span { font-size: 15px; color: var(--muted); }
.telephone > a { align-self: flex-start; font-size: 24px; font-weight: 650; text-decoration: underline; text-underline-offset: 5px; }
.download-details { margin-top: 34px; padding-top: 30px; }
.download-details .actions { margin-top: 22px; }
.text-link { padding: 12px 2px; font-size: 16px; font-weight: 600; text-decoration: underline; text-underline-offset: 6px; }
.company-details { border-left: 1px solid var(--line); padding-left: 56px; }
.company-name { font-size: clamp(24px, 2.1vw, 33px); font-weight: 750; color: var(--ink); margin-top: 32px; line-height: 1.5; }
.company-details address { font-size: 20px; line-height: 1.8; font-style: normal; margin-top: 26px; overflow-wrap: break-word; }
.company-attention { color: var(--ink); margin-top: 34px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 35px; min-height: 126px; padding-block: 12px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 650; line-height: 1.5; letter-spacing: .03em; }
.footer-brand > img { width: 72px; height: 72px; }
.footer-brand > span > span { display: block; font-size: 13px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.site-footer nav { display: flex; gap: 32px; font-size: 14px; }
html[lang="en"] .hero h1 { font-size: clamp(44px, 4.5vw, 66px); letter-spacing: -.04em; }
html[lang="en"] .hero .button { font-size: 16px; padding-inline: 21px; }
html[lang="en"] .service-grid li { font-size: 21px; }
html[lang="en"] .service-process li { font-size: 20px; }
@media (min-width: 1500px) { .hero { padding-block: 34px 86px; } }
@media (max-width: 1060px) {
  .site-header { gap: 20px; }
  .site-header nav { gap: 22px; }
  .language-link { padding-left: 22px; }
  .hero { gap: 30px; }
  .hero .actions { gap: 12px; }
  .hero-description { font-size: 17px; }
  .button { padding-inline: 18px; font-size: 15px; }
  .app-section { gap: 40px; }
  .app-screens { gap: 20px; }
  .platform-downloads { gap: 40px; }
  .ios-download { padding-left: 35px; }
  .contact { gap: 40px; }
  .company-details { padding-left: 35px; }
  .company-details address { font-size: 18px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  :root { --gutter: 24px; }
  .site-header { min-height: 125px; padding-top: 8px; flex-wrap: wrap; gap: 0; }
  .brand > img { width: 66px; height: 66px; }
  .brand-wordmark { font-size: 18px; }
  .brand-wordmark > span { font-size: 10px; }
  .language-link { margin-left: auto; font-size: 14px; border-left: 0; padding-left: 8px; }
  .site-header nav { order: 3; width: 100%; justify-content: space-between; margin: 0; gap: 12px; border-top: 1px solid var(--line); font-size: 14px; }
  .site-header nav a { padding-block: 12px; }
  .hero { grid-template-columns: 1fr; padding-block: 30px 46px; gap: 32px; }
  .hero h1 { font-size: clamp(40px, 10.8vw, 58px); }
  html[lang="en"] .hero h1 { font-size: clamp(38px, 10vw, 55px); }
  .hero-description { margin-top: 20px; font-size: 16px; }
  .hero .actions { margin-top: 25px; gap: 12px; }
  .button { font-size: 14px; gap: 10px; padding-inline: 15px; min-height: 52px; }
  html[lang="en"] .hero .button { font-size: 14px; padding-inline: 15px; }
  .hero-image { aspect-ratio: 4 / 3; }
  .small-note { font-size: 13px; }
  .services-app { padding-top: 40px; }
  .section-heading h2 { font-size: 29px; }
  .section-heading p { margin-top: 15px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; }
  .service-grid li, html[lang="en"] .service-grid li { font-size: 19px; padding: 20px 10px; }
  .service-grid li:nth-child(-n+8) { border-bottom: 1px solid var(--line); }
  .service-grid li::after { display: none; }
  .service-grid li:nth-child(odd)::after { display: block; }
  .service-process { grid-template-columns: 1fr; gap: 16px; margin-block: 30px 36px; }
  .service-process li, html[lang="en"] .service-process li { font-size: 20px; gap: 20px; }
  .step-number { font-size: 34px; }
  .service-process .arrow-icon { display: none; }
  .app-section { grid-template-columns: 1fr; gap: 34px; padding-block: 40px 50px; }
  .app-copy > p:not(.small-note) { margin-top: 20px; margin-bottom: 24px; }
  .app-screens { gap: 20px; justify-content: center; }
  .phone-frame { width: 70%; max-width: 252px; border-width: 4px; padding: 0; border-radius: 19px; }
  .phone-frame > img { border-radius: 14px; }
  .download-section { padding-block: 40px 46px; }
  .platform-downloads { grid-template-columns: 1fr; gap: 32px; margin-top: 30px; }
  .ios-download { padding-left: 0; padding-top: 30px; border-left: 0; border-top: 1px solid var(--line); }
  .platform-download h3 { font-size: 25px; }
  .contact { grid-template-columns: 1fr; padding-block: 44px 42px; gap: 40px; }
  .contact-actions > p:not(.telephone) { margin-top: 18px; margin-bottom: 22px; }
  .company-details { padding-left: 0; padding-top: 32px; border-left: 0; border-top: 1px solid var(--line); }
  .company-name { margin-top: 20px; font-size: 25px; }
  .company-details address { font-size: 16px; margin-top: 18px; }
  .company-attention { margin-top: 22px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 6px; padding-block: 18px 26px; }
  .site-footer nav { gap: 24px; flex-wrap: wrap; font-size: 13px; }
  .footer-brand > img { width: 60px; height: 60px; }
}
@media (max-width: 360px) {
  html[lang="en"] .service-grid li { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}