:root {
  --blue: #2f80ff;
  --blue-deep: #205fda;
  --blue-dark: #174eb5;
  --ink: #17263e;
  --muted: #647084;
  --line: #e0e7f0;
  --paper: #f3f6fb;
  --yellow: #ffdc68;
  --font: MiSans, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body { margin: 0; font-family: var(--font); font-weight: 400; font-size: 16px; line-height: 1.75; color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
::selection { background: var(--yellow); color: var(--ink); }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.3; font-weight: 500; }
h2 { font-size: 34px; letter-spacing: -.04em; }
.container { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.icon { width: 24px; height: 24px; flex: 0 0 auto; }
.arrow { width: 20px; height: 20px; }
.skip-link { position: fixed; top: -90px; left: 24px; z-index: 100; padding: 12px 20px; background: #fff; border: 2px solid var(--blue); }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(224,231,240,.65); }
.header-inner { width: min(1160px, calc(100% - 80px)); min-height: 86px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--blue); flex-shrink: 0; }
.brand-icon { width: 38px; height: 38px; border-radius: 10px; }
.brand-name { font-size: 24px; font-weight: 600; letter-spacing: -.04em; color: var(--ink); }
.wordmark { display: flex; gap: 2px; width: 90px; height: 30px; }
.wordmark i { display: block; position: relative; flex: 1; background: currentColor; mask: center / contain no-repeat; -webkit-mask: center / contain no-repeat; }
.wordmark i:nth-child(1) { mask-image: url('brand/wo-source.svg'); -webkit-mask-image: url('brand/wo-source.svg'); }
.wordmark i:nth-child(2) { mask-image: url('brand/lai-source.svg'); -webkit-mask-image: url('brand/lai-source.svg'); }
.wordmark i:nth-child(3) { mask-image: url('brand/bang-source.svg'); -webkit-mask-image: url('brand/bang-source.svg'); }
.wordmark i:first-child::after { content: ''; position: absolute; inset: 0; background: #fdce37; mask: url('brand/wordmark-dot-source.svg') center / contain no-repeat; -webkit-mask: url('brand/wordmark-dot-source.svg') center / contain no-repeat; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; }
.site-nav a { padding: 8px 0; transition: color .18s; }
.site-nav a:hover, .footer-nav a:hover { color: var(--blue-deep); }
.site-nav a[href$="#contact"] { padding: 9px 18px; background: var(--paper); border-radius: 30px; }
.language-link { font-size: 12px; color: var(--muted); }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; padding-block: 82px 64px; }
.hero-copy { padding-bottom: 46px; animation: enter-copy .7s both; }
.development-status { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); margin-bottom: 28px; }
.development-status span { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.hero h1 { font-size: clamp(84px, 8vw, 112px); font-weight: 500; letter-spacing: -.075em; line-height: 1.16; margin-left: -.04em; }
.chinese .hero h1 { margin-left: 0; padding-block: .08em; }
.hero h1 .wordmark { width: 3em; height: 1em; gap: .055em; }
.hero h1 .wordmark i:last-child { color: var(--blue-deep); }
.hero-subtitle { margin-top: 20px; font-size: 32px; line-height: 1.4; letter-spacing: -.035em; }
.hero-description { font-size: 17px; color: var(--muted); max-width: 370px; margin-top: 26px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; padding: 12px 27px; background: var(--blue-deep); color: #fff; border-radius: 11px; font-size: 15px; font-weight: 500; transition: background .18s, transform .18s; }
.button:hover { background: var(--blue-dark); transform: translateY(-2px); }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; }
.text-link .arrow { transition: transform .18s; }
.text-link:hover { color: var(--blue-deep); }
.text-link:hover .arrow { transform: translate(2px,-2px); }
.hero-product-visual { width: 100%; padding-top: 44px; animation: enter-product .8s .12s both; }
.product-folder { position: relative; height: 526px; isolation: isolate; background: var(--blue-deep); border-radius: 0 28px 28px 28px; }
.product-folder::before { content: ''; position: absolute; top: -35px; left: 0; width: 56%; height: 36px; background: var(--blue-deep); border-radius: 22px 22px 0 0; z-index: -1; }
.folder-label { position: absolute; z-index: 3; top: -22px; left: 24px; color: #fff; font-size: 11px; letter-spacing: .04em; }
.document-sheet { position: absolute; top: 146px; left: 22px; width: 205px; padding: 30px 23px 40px; background: #f7f9fd; border-radius: 8px 8px 16px 16px; transform: rotate(-9deg); box-shadow: 0 15px 24px rgba(9,40,99,.17); }
.document-sheet::before { content: ''; position: absolute; top: -15px; left: 0; width: 95px; height: 17px; background: var(--yellow); border-radius: 9px 9px 0 0; }
.sheet-mark { display: block; width: 30px; height: 4px; background: var(--blue); border-radius: 2px; margin-bottom: 26px; }
.document-label { display: block; padding-block: 12px; border-bottom: 1px solid #dce3ed; font-size: 12px; color: #53637a; white-space: nowrap; }
.app-preview { position: relative; width: 252px; margin-left: auto; margin-right: 34px; top: -34px; border: 1px solid #d5dfed; padding: 6px; background: #fff; border-radius: 29px; box-shadow: 0 22px 36px rgba(8,35,82,.24); transform: rotate(5deg); }
.app-preview img { width: 100%; height: auto; border-radius: 23px; }
.hero-product-visual figcaption { margin-top: 17px; text-align: right; font-size: 11px; color: var(--muted); }
.section { padding-block: 84px; }
.services { background: var(--paper); }
.services-layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 72px; }
.services-heading h2 { margin-top: 6px; }
.scope-note { margin-top: 25px; color: var(--muted); font-size: 12px; line-height: 1.9; max-width: 225px; }
.service-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 44px; }
.service-item { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 18px; align-content: start; padding: 29px 0; border-bottom: 1px solid #d9e1ed; }
.service-item:nth-child(-n+2) { padding-top: 5px; }
.service-item:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 0; }
.service-symbol { display: grid; place-items: start center; padding-top: 3px; }
.service-icon { width: 29px; height: 29px; }
.service-item h3 { font-size: 20px; line-height: 1.5; margin-bottom: 10px; }
.service-item p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.about { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 72px; padding-block: 92px; }
.about-content > p { font-size: 20px; color: var(--ink); line-height: 1.85; max-width: 740px; letter-spacing: -.02em; }
.company-facts { margin: 32px 0 0; font-size: 13px; }
.company-facts > div { display: grid; grid-template-columns: 125px minmax(0,1fr); gap: 24px; padding: 12px 0; border-top: 1px solid var(--line); }
.company-facts dt { color: var(--muted); }
.company-facts dd { margin: 0; overflow-wrap: anywhere; }
.contact { background: var(--blue-deep); color: #fff; padding-block: 72px 76px; }
.contact-layout { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 72px; }
.contact h2 { font-size: 40px; }
.contact-row { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 22px 0 26px; border-bottom: 1px solid rgba(255,255,255,.24); }
.contact-row:first-child { padding-top: 0; }
.contact-row:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-label { color: #dce8ff; font-size: 12px; }
.contact-link { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 500; letter-spacing: -.035em; overflow-wrap: anywhere; }
.phone-link { font-size: 42px; font-variant-numeric: tabular-nums; line-height: 1.4; }
.contact-link .arrow { width: 24px; height: 24px; filter: brightness(0) invert(1); transition: transform .18s; }
.phone-link .arrow { width: 48px; height: 48px; padding: 14px; background: var(--yellow); border-radius: 50%; filter: none; }
.contact-link:hover .arrow { transform: translate(2px,-2px); }
.email-link { font-size: 27px; line-height: 1.6; }
.address-row { grid-template-columns: 1fr auto; column-gap: 28px; }
.address-row .contact-label { grid-column: 1 / -1; }
address { font-style: normal; font-size: 14px; max-width: 480px; line-height: 1.85; }
.copy-button { align-self: start; justify-self: start; border: 1px solid rgba(255,255,255,.55); color: #fff; border-radius: 7px; background: transparent; font-size: 12px; padding: 7px 13px; transition: background .18s; }
.copy-button:hover { background: rgba(255,255,255,.1); }
.copy-status { grid-column: 1 / -1; color: #dce8ff; font-size: 12px; }
.copy-status:empty { display: none; }
.contact a:focus-visible, .contact button:focus-visible { outline-color: var(--yellow); }
.site-footer { background: #fff; font-size: 12px; }
.footer-main { display: flex; justify-content: space-between; gap: 60px; padding: 44px 0 32px; }
.footer-brand { color: var(--blue-deep); font-weight: 500; font-size: 26px; margin-bottom: 14px; letter-spacing: -.04em; }
.footer-brand .wordmark { width: 96px; height: 32px; }
.footer-company { margin-bottom: 4px; }
.footer-english { font-size: 11px; color: var(--muted); }
.footer-nav { display: flex; align-content: start; flex-wrap: wrap; justify-content: flex-end; gap: 12px 26px; padding-top: 10px; max-width: 450px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.icp-link { white-space: nowrap; }
.icp-link:hover { color: var(--blue-deep); text-decoration: underline; }
.privacy-main { max-width: 840px; padding-block: 64px 84px; }
.back-link { margin-bottom: 32px; color: var(--blue-deep); }
.privacy-main h1 { font-size: 42px; letter-spacing: -.045em; }
.privacy-date { color: var(--muted); font-size: 13px; margin-top: 14px; }
.privacy-intro { margin-top: 30px; }
.privacy-sections { margin-top: 40px; }
.privacy-sections section { border-top: 1px solid var(--line); padding-top: 26px; margin-top: 26px; }
.privacy-sections h2 { font-size: 22px; margin-bottom: 14px; }
.privacy-sections p { color: var(--muted); line-height: 1.95; }
.privacy-page .site-footer { background: var(--paper); }
.english .hero h1 { font-size: clamp(58px,5.8vw,80px); letter-spacing: -.065em; font-weight: 600; }
.english .hero-subtitle { font-size: 29px; }
.english .hero-description { max-width: 350px; }
.english .document-sheet { width: 225px; left: 16px; padding-left: 18px; }
.english .document-label { font-size: 10px; }
.english .service-item h3 { font-size: 19px; }
.english .about-content > p { font-size: 19px; }
.english .phone-link { font-size: 36px; }
@keyframes enter-copy { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes enter-product { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1100px) {
  .hero { gap: 48px; padding-top: 70px; }
  .hero h1 { font-size: 90px; }
  .hero-subtitle { font-size: 29px; }
  .product-folder { height: 494px; }
  .app-preview { width: 235px; margin-right: 23px; top: -22px; }
  .document-sheet { left: 17px; top: 145px; }
  .services-layout, .about, .contact-layout { grid-template-columns: 200px minmax(0,1fr); gap: 48px; }
  .service-columns { column-gap: 28px; }
  .service-item { gap: 12px; grid-template-columns: 32px minmax(0,1fr); }
  .english .hero h1 { font-size: 62px; }
  .english .hero-subtitle { font-size: 26px; }
  .english .hero-actions { gap: 22px; }
  .english .button { padding-inline: 20px; }
}
@media (max-width: 900px) {
  .container, .header-inner { width: calc(100% - 48px); }
  .header-inner { min-height: 74px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; border: 0; background: transparent; padding: 11px; }
  .menu-toggle span { width: 22px; height: 2px; background: var(--ink); transition: transform .18s; }
  .menu-open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #fff; padding: 16px 24px 22px; border-bottom: 1px solid var(--line); gap: 6px; }
  .menu-open .site-nav { display: flex; flex-direction: column; align-items: stretch; }
  .site-nav a, .site-nav a[href$="#contact"] { padding: 10px 12px; background: transparent; }
  .hero { gap: 36px; padding-block: 60px 50px; }
  .hero-copy { padding-bottom: 28px; }
  .hero h1 { font-size: 76px; }
  .hero-subtitle { font-size: 25px; }
  .hero-description { font-size: 15px; margin-top: 22px; }
  .hero-actions { gap: 20px; margin-top: 28px; }
  .button { padding-inline: 22px; font-size: 14px; min-height: 48px; }
  .text-link { font-size: 13px; gap: 8px; }
  .product-folder { height: 435px; }
  .app-preview { width: 206px; margin-right: 17px; top: -16px; border-radius: 26px; padding: 5px; }
  .app-preview img { border-radius: 21px; }
  .document-sheet, .english .document-sheet { width: 175px; padding: 20px 14px 26px; left: 10px; top: 120px; }
  .document-label { font-size: 10px; padding-block: 10px; }
  .english .document-label { font-size: 9px; }
  .folder-label { left: 20px; font-size: 10px; }
  .hero-product-visual figcaption { font-size: 10px; }
  .section { padding-block: 64px; }
  .services-layout, .about, .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .services-heading { display: flex; align-items: start; justify-content: space-between; gap: 40px; }
  .services-heading h2 { margin-top: 0; }
  .scope-note { margin-top: 0; max-width: 300px; }
  .service-columns { column-gap: 44px; }
  .service-item { grid-template-columns: 40px minmax(0,1fr); gap: 18px; }
  .about-content > p { max-width: none; }
  .contact h2 { font-size: 36px; }
  .footer-main { flex-direction: column; gap: 24px; }
  .footer-nav { justify-content: flex-start; max-width: none; }
  .english .hero h1 { font-size: 49px; }
  .english .hero-subtitle { font-size: 23px; }
  .english .hero-actions { flex-wrap: wrap; gap: 16px; }
}
@media (max-width: 650px) {
  html { scroll-padding-top: 92px; }
  .container, .header-inner { width: calc(100% - 40px); }
  .header-inner { min-height: 70px; }
  .brand-icon { width: 35px; height: 35px; border-radius: 9px; }
  .wordmark { width: 81px; height: 27px; }
  .brand-name { font-size: 21px; }
  .hero { grid-template-columns: 1fr; gap: 24px; padding-block: 38px 34px; }
  .hero-copy { padding: 0 4px; }
  .development-status { font-size: 11px; margin-bottom: 22px; }
  .hero h1 { font-size: 82px; }
  .hero-subtitle { font-size: 26px; margin-top: 15px; }
  .hero-description { font-size: 15px; margin-top: 20px; }
  .hero-actions { margin-top: 25px; gap: 28px; }
  .hero-product-visual { width: min(100%,420px); justify-self: center; padding-top: 48px; }
  .product-folder { height: 429px; border-radius: 0 23px 23px 23px; }
  .product-folder::before { top: -30px; height: 31px; width: 56%; border-radius: 17px 17px 0 0; }
  .folder-label { top: -19px; left: 18px; }
  .app-preview { width: 205px; top: -23px; margin-right: 24px; }
  .document-sheet, .english .document-sheet { top: 110px; left: 13px; width: 175px; }
  .hero-product-visual figcaption { margin-top: 14px; font-size: 10px; }
  h2 { font-size: 29px; }
  .section { padding-block: 44px; }
  .services-layout { gap: 28px; }
  .services-heading { display: block; }
  .scope-note { margin-top: 16px; max-width: none; font-size: 11px; }
  .service-columns { grid-template-columns: 1fr; }
  .service-item { grid-template-columns: 40px minmax(0,1fr); gap: 18px; padding-block: 22px; }
  .service-item:nth-child(-n+2) { padding-top: 22px; }
  .service-item:first-child { padding-top: 0; }
  .service-item:nth-last-child(-n+2) { border-bottom: 1px solid #d9e1ed; padding-bottom: 22px; }
  .service-item:last-child { border-bottom: 0; padding-bottom: 0; }
  .service-item h3 { font-size: 19px; margin-bottom: 6px; }
  .service-item p { font-size: 14px; }
  .service-icon { width: 28px; height: 28px; }
  .about { gap: 24px; padding-block: 48px; }
  .about-content > p, .english .about-content > p { font-size: 17px; }
  .company-facts { margin-top: 26px; }
  .company-facts > div { grid-template-columns: 1fr; gap: 6px; padding-block: 14px; }
  .company-facts dt { font-size: 11px; }
  .company-facts dd { font-size: 13px; }
  .contact { padding-block: 42px 46px; }
  .contact-layout { gap: 32px; }
  .contact h2 { font-size: 34px; }
  .contact-label { font-size: 11px; }
  .contact-row { padding-block: 20px 22px; gap: 10px; }
  .phone-link, .english .phone-link { font-size: 29px; }
  .phone-link .arrow { width: 40px; height: 40px; padding: 11px; }
  .email-link { font-size: 19px; letter-spacing: -.045em; gap: 10px; }
  .email-link .arrow { width: 18px; height: 18px; }
  .address-row { grid-template-columns: 1fr; }
  address { font-size: 13px; max-width: 330px; }
  .copy-button { margin-top: 7px; }
  .footer-main { padding-block: 32px 26px; gap: 16px; }
  .footer-brand { font-size: 24px; margin-bottom: 12px; }
  .footer-company { font-size: 12px; }
  .footer-english { font-size: 10px; }
  .footer-nav { gap: 10px 20px; font-size: 11px; }
  .footer-bottom { flex-direction: column; gap: 4px; padding-block: 18px; font-size: 10px; }
  .privacy-main { padding-block: 36px 56px; }
  .privacy-main h1 { font-size: 30px; }
  .privacy-intro, .privacy-sections p { font-size: 15px; }
  .english .hero h1 { font-size: 60px; }
  .english .hero-subtitle { font-size: 25px; }
  .english .hero-actions { gap: 24px; }
  .english .phone-link { font-size: 26px; }
}
@media (max-width: 360px) {
  .hero h1 { font-size: 73px; }
  .english .hero h1 { font-size: 52px; }
  .hero-actions, .english .hero-actions { gap: 18px; }
  .product-folder { height: 402px; }
  .app-preview { width: 192px; margin-right: 19px; }
  .document-sheet, .english .document-sheet { left: 12px; width: 155px; }
  .email-link { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}