:root {
  --blue: #2160f3;
  --ink: #132341;
  --muted: #62718a;
  --line: #e2e8f2;
  --pale: #f5f8fe;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: white; font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; color: inherit; }
a, button, input, select, textarea { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin: 0; }
p { color: var(--muted); font-size: 16px; line-height: 1.85; }
svg { width: 22px; height: 22px; flex-shrink: 0; }
:focus-visible { outline: 3px solid #77a0ff; outline-offset: 5px; }
::selection { background: #d5e3ff; }
.container { width: min(1240px, calc(100% - 112px)); margin: auto; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 50; background: var(--ink); color: white; padding: 16px; }
.skip-link:focus { top: 8px; }

/* A single, quiet navigation and footer. */
.site-header { position: sticky; top: 0; height: 88px; z-index: 30; background: #ffffffed; border-bottom: 1px solid #edf1f7; backdrop-filter: blur(16px); }
.nav-wrap { width: min(1240px, calc(100% - 112px)); margin: auto; height: 100%; display: grid; grid-template-columns: minmax(135px, 1fr) auto minmax(165px, 1fr); align-items: center; gap: 24px; }
.nav-wrap > .brand { justify-self: start; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-type { display: inline-grid; grid-template-columns: max-content; gap: 6px; font-size: 22px; font-weight: 400; line-height: 1.05; letter-spacing: -.5px; }
.brand-name { white-space: nowrap; }
.brand-cn { display: block; font-size: 14px; font-weight: 400; line-height: 1.2; letter-spacing: 0; text-align: justify; text-align-last: justify; }
.main-nav { display: flex; justify-content: center; gap: 20px; align-items: center; margin: 0; white-space: nowrap; font-size: 15px; }
@media (min-width: 1051px) {
  html[lang="en"] .main-nav { gap: 16px; font-size: 14px; }
}
.main-nav > a { padding: 18px 0; }
.main-nav a:hover, .main-nav a[aria-current] { color: var(--blue); }
.main-nav > .mobile-contact { display: none; }
.nav-actions { display: flex; justify-self: end; align-items: center; gap: 22px; padding-left: 24px; border-left: 1px solid var(--line); font-size: 14px; white-space: nowrap; }
.language-switch { padding: 12px 0; }
.nav-contact { padding: 12px 21px; border-radius: 5px; background: var(--blue); color: white; }
.nav-contact:hover { background: #124dcc; }
.menu-toggle { display: none; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; gap: 35px; align-items: center; min-height: 130px; padding-block: 32px; }
.copyright { font-size: 13px; color: #7d8aa0; margin-left: auto; }
.footer-links { display: flex; flex-wrap: wrap; gap: 25px; font-size: 14px; color: var(--muted); }
.footer-links a:hover { color: var(--blue); }

/* The home page presents the offer once, without secondary labels. */
.hero { overflow: hidden; background: radial-gradient(ellipse at 84% 50%, #eaf1ff, transparent 52%), linear-gradient(130deg, white, #f8faff); }
.hero-grid { min-height: 600px; display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: 24px; }
h1 { font-size: clamp(40px, 4.2vw, 62px); font-weight: 600; line-height: 1.38; letter-spacing: -2px; }
.hero h1 { white-space: nowrap; }
.hero h1 span { color: var(--blue); }
.slogan-line { display: block; }
.hero-copy { padding: 72px 0; position: relative; z-index: 1; }
.hero-copy p { font-size: 18px; max-width: 450px; margin: 28px 0 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 15px 23px; min-height: 52px; background: var(--blue); color: white; font-size: 15px; border: 1px solid var(--blue); border-radius: 5px; line-height: 1.5; transition: background .2s; }
.button:hover { background: #124dcc; }
.button svg { width: 20px; height: 20px; }
.button-ghost { color: var(--ink); background: transparent; border-color: #cbd5e6; }
.button-ghost:hover { background: var(--pale); }
.data-visual { position: relative; width: 100%; height: 530px; }
.data-visual canvas { display: block; width: 100%; height: 100%; }
#motion-toggle { position: absolute; bottom: 38px; right: 16px; width: 34px; height: 34px; font-size: 13px; border: 1px solid #cfdbef; border-radius: 50%; color: #5377b1; background: #f6f9ff; }
.section { padding: 88px 0; }
h2 { font-size: 34px; font-weight: 550; line-height: 1.5; letter-spacing: -.8px; }
.section-intro { display: grid; grid-template-columns: .8fr 2fr; gap: 48px; align-items: start; margin-bottom: 42px; }
.section-intro p { max-width: 760px; font-size: 17px; }
.annotation-section, .industries-section { background: var(--pale); }
.service-overview { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 64px; margin-bottom: 32px; }
.service-overview-copy p { max-width: 600px; margin-top: 20px; font-size: 17px; }
.service-illustration { margin: 0; overflow: hidden; border-radius: 18px; background: #f0f5ff; }
.service-illustration img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.capability-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.capability-item { min-width: 0; border: 1px solid var(--line); border-radius: 14px; padding: 28px 30px; background: white; }
.capability-item h2, .capability-item h3 { font-size: 21px; font-weight: 600; line-height: 1.5; margin-bottom: 18px; letter-spacing: 0; }
.about-intro h1 { font-size: 34px; line-height: 1.5; letter-spacing: -.8px; }
.capability-item ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.capability-item li { position: relative; padding-left: 17px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.capability-item li::before { content: ""; position: absolute; top: .7em; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
.industries-section .industry-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 38px; }
.industries-section .industry-card { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.industry-card h3 { font-size: 20px; font-weight: 550; line-height: 1.6; margin-bottom: 14px; }
.about-intro { display: grid; grid-template-columns: minmax(240px, .8fr) 2fr; gap: 48px; align-items: start; }
.about-intro p { max-width: 760px; }
.client-showcase { margin-top: 52px; padding-top: 40px; border-top: 1px solid var(--line); }
.client-showcase h2 { font-size: 25px; }
.client-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; list-style: none; margin: 26px 0 0; padding: 0; }
.client-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 30px 24px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.client-logo { display: flex; align-items: center; justify-content: center; width: 100%; height: 66px; }
.client-logo img { display: block; width: auto; height: auto; max-width: min(100%, 210px); max-height: 62px; object-fit: contain; }
.client-name { font-size: 16px; font-weight: 500; line-height: 1.5; }
.client-more { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 28px; font-size: 14px; line-height: 1.5; }
.client-more-dots { color: var(--blue); font-size: 28px; line-height: 1; letter-spacing: 4px; }
section[tabindex="-1"]:focus { outline: none; }
.contact-strip { padding: 56px 0; background: var(--pale); border-top: 1px solid #edf1f8; }
.contact-strip .container { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.contact-strip h2 { font-size: 28px; }

/* Existing detail URLs remain available, with all task lists visible. */
.page-hero { padding: 72px 0 58px; background: linear-gradient(110deg, #f8faff, #edf3ff); }
.page-hero h1 { font-size: 44px; }
.page-hero p { margin-top: 24px; max-width: 800px; font-size: 18px; line-height: 1.9; }
.detail-section > .container > h2 { margin-bottom: 32px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature-card { border: 1px solid var(--line); border-radius: 14px; padding: 28px 30px; background: white; }
.feature-card h2, .feature-card h3 { font-size: 21px; font-weight: 600; line-height: 1.5; margin-bottom: 14px; letter-spacing: 0; }
.industries-section .industry-card h2 { font-size: 20px; line-height: 1.6; letter-spacing: 0; }
.task-columns { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 28px; }
.task-panel { border-block: 1px solid var(--line); }
.task-panel h3 { font-weight: 500; font-size: 23px; padding: 24px 0; }
.task-panel ul { margin: 0; padding: 0 0 26px 20px; color: var(--muted); }
.task-panel li { font-size: 16px; line-height: 1.8; padding: 5px 0; }
.deliverables { display: grid; grid-template-columns: .8fr 2fr; gap: 35px; border-top: 1px solid var(--line); margin-top: 60px; padding-top: 36px; }
.deliverables h2 { font-size: 25px; }
.deliverables ul { margin: 0; padding: 0 0 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 40px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.detail-contact { margin-top: 40px; }
.industry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px 64px; }
.industry-card { border-top: 1px solid var(--line); padding-top: 26px; scroll-margin-top: 115px; }
.industry-card h2 { font-size: 24px; display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-bottom: 16px; }

/* One short introduction and one contact form. */
.contact-section { padding-top: 75px; border-top: 1px solid var(--line); }
.contact-layout { display: grid; grid-template-columns: .85fr 1.2fr; align-items: start; gap: 90px; }
.contact-info h1, .contact-info h2 { font-size: 48px; line-height: 1.38; }
.contact-info p { font-size: 17px; margin-top: 25px; max-width: 370px; }
.contact-details { margin: 32px 0 0; }
.contact-details > div { display: grid; grid-template-columns: 62px 1fr; gap: 16px; margin-top: 20px; font-size: 16px; line-height: 1.8; }
.contact-details dt { color: var(--muted); }
.contact-details dd { margin: 0; overflow-wrap: anywhere; }
.contact-details a { color: var(--blue); }
.contact-details a:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-channels { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 6px; font-size: 13px; }
.contact-channels button { padding: 0; border: 0; background: transparent; color: var(--blue); line-height: inherit; }
.contact-channels button:hover { text-decoration: underline; text-underline-offset: 3px; }
.copy-status { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.copy-status:empty { display: none; }
.contact-form { border: 1px solid var(--line); border-radius: 10px; padding: 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 20px; }
.form-field { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; }
.form-field label > span { color: #8591a3; font-size: 13px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; border: 1px solid #d6dfed; border-radius: 4px; background: #fcfdff; color: var(--ink); padding: 12px; font-size: 16px; }
.form-field textarea { min-height: 136px; resize: vertical; line-height: 1.8; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #94a0b4; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--blue); outline: 2px solid #2160f31a; outline-offset: 1px; }
.consent-label { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--muted); line-height: 1.8; margin: 24px 0; }
.consent-label input { width: 16px; height: 16px; flex-shrink: 0; margin: 5px 0 0; accent-color: var(--blue); }
.consent-label a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.form-submit { width: 100%; }
.form-submit:disabled { cursor: wait; opacity: .6; }
.form-status { font-size: 14px; margin-top: 18px; line-height: 1.8; overflow-wrap: anywhere; }
.form-status:empty { display: none; }
.form-status[data-state="success"] { color: #1659b5; background: var(--pale); padding: 16px; border-radius: 5px; }
.form-status[data-state="error"] { color: #a02435; }
.honey { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.privacy-copy { max-width: 850px; }
.privacy-copy h2 { font-size: 25px; margin-bottom: 18px; }
.privacy-copy p + h2 { margin-top: 40px; }
.empty-page { padding: 100px 20px; min-height: 60vh; text-align: center; }
.empty-page h1 { color: var(--blue); font-size: 80px; }
.empty-page p { margin: 20px 0 30px; }
.empty-page .button { margin: 8px; }
html[lang="en"] h1 { line-height: 1.17; }
html[lang="en"] .hero h1 { white-space: normal; font-size: clamp(40px, 4.35vw, 65px); }
html[lang="en"] h2 { line-height: 1.35; }

@media (max-width: 1100px) {
  .container { width: calc(100% - 72px); }
  .nav-wrap { width: calc(100% - 72px); gap: 20px; }
  .main-nav { gap: 18px; font-size: 14px; }
  .nav-actions { gap: 16px; padding-left: 18px; }
  .hero-grid { min-height: 540px; gap: 0; }
  .hero h1 { font-size: 43px; }
  .hero-copy p { font-size: 17px; }
  .data-visual { height: 470px; }
  .section-intro { gap: 30px; }
  .service-overview { gap: 36px; }
  .industries-section .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { gap: 50px; }
}
@media (max-width: 850px) {
  .hero h1 { font-size: 36px; }
  .data-visual { height: 390px; }
  .hero-grid { min-height: 470px; }
  .hero-copy { padding-block: 50px; }
  .footer-inner { flex-wrap: wrap; gap: 25px; }
  .footer-links { width: 100%; }
  .contact-layout { grid-template-columns: 1fr 1.3fr; gap: 35px; }
  .contact-info h1, .contact-info h2 { font-size: 38px; }
  .contact-form { padding: 26px; }
}
@media (max-width: 1050px) {
  .nav-wrap { display: flex; gap: 0; }
  .nav-actions { border-left: 0; padding-left: 0; margin-left: auto; margin-right: 28px; }
  .nav-contact { display: none; }
  .menu-toggle { order: 4; display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 30px; height: 40px; background: transparent; border: 0; padding: 3px; }
  .menu-toggle span { height: 1.5px; width: 24px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 88px; left: 0; right: 0; background: white; padding: 15px 36px 25px; border-bottom: 1px solid var(--line); max-height: calc(100dvh - 88px); overflow: auto; white-space: normal; font-size: 15px; }
  .main-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav > a { border-bottom: 1px solid var(--line); padding: 18px 0; }
  .main-nav > .mobile-contact { display: block; color: var(--blue); }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .container, .nav-wrap { width: calc(100% - 40px); }
  .site-header { height: 76px; }
  .brand { gap: 6px; }
  .main-nav { top: 76px; padding-inline: 24px; max-height: calc(100dvh - 76px); }
  .hero-grid { display: flex; flex-direction: column; min-height: 0; }
  .hero-copy { width: 100%; padding: 52px 0 0; }
  .hero h1 { white-space: normal; font-size: clamp(32px, 7.6vw, 49px); line-height: 1.45; letter-spacing: -1.5px; }
  .hero-copy p { margin: 22px 0 26px; font-size: 16px; line-height: 1.9; max-width: 390px; }
  .button { min-height: 48px; padding: 12px 19px; font-size: 14px; gap: 24px; }
  .data-visual { height: 290px; max-width: 410px; }
  #motion-toggle { bottom: 17px; right: 3px; }
  .section { padding: 58px 0; }
  h2 { font-size: 27px; line-height: 1.5; letter-spacing: -.5px; }
  .section-intro { grid-template-columns: 1fr; gap: 16px; margin-bottom: 28px; }
  .section-intro p { font-size: 16px; }
  .service-overview { grid-template-columns: 1fr; gap: 24px; margin-bottom: 24px; }
  .service-overview-copy p { margin-top: 15px; font-size: 16px; }
  .service-illustration { width: 100%; max-width: 430px; justify-self: center; border-radius: 14px; }
  .capability-grid { grid-template-columns: 1fr; gap: 16px; }
  .capability-item, .feature-card { padding: 24px; }
  .capability-item h3 { font-size: 20px; }
  .industries-section .industry-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 28px; }
  .about-intro { grid-template-columns: 1fr; gap: 20px; }
  .client-showcase { margin-top: 32px; padding-top: 28px; }
  .client-showcase h2 { font-size: 23px; }
  .client-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
  .client-card { flex-direction: row; justify-content: space-between; gap: 24px; padding: 26px 24px; }
  .client-logo { justify-content: flex-start; flex: 1; min-width: 0; height: 48px; }
  .client-logo img { max-height: 46px; }
  .client-name { flex-shrink: 0; font-size: 15px; }
  .contact-strip { padding: 38px 0; }
  .contact-strip .container { flex-direction: column; align-items: flex-start; gap: 22px; }
  .contact-strip h2 { font-size: 24px; }
  .footer-inner { padding-block: 28px; min-height: 0; display: grid; grid-template-columns: 1fr; gap: 25px; }
  .footer-inner .brand { display: none; }
  .copyright { margin: 0; font-size: 12px; }
  .footer-links { grid-row: 1; font-size: 14px; gap: 20px; }
  .page-hero { padding: 48px 0 38px; }
  .page-hero h1 { font-size: 35px; letter-spacing: -1px; }
  .page-hero p { margin-top: 19px; font-size: 16px; }
  .feature-grid, .task-columns, .industry-grid { grid-template-columns: 1fr; gap: 28px; }
  .feature-card h3 { font-size: 21px; }
  .task-panel h3 { font-size: 22px; padding-block: 22px; }
  .deliverables { grid-template-columns: 1fr; margin-top: 40px; padding-top: 28px; gap: 21px; }
  .deliverables h2 { font-size: 24px; }
  .deliverables ul { grid-template-columns: 1fr; gap: 10px; }
  .industry-card h2 { font-size: 23px; }
  .contact-section { padding-top: 46px; }
  .contact-layout { grid-template-columns: 1fr; gap: 32px; }
  .contact-info h1, .contact-info h2 { font-size: 39px; }
  .contact-info p { font-size: 16px; max-width: none; margin-top: 20px; }
  .contact-form { padding: 25px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 21px; }
  .consent-label { font-size: 14px; }
  .privacy-copy h2 { font-size: 23px; }
  html[lang="en"] .hero h1 { font-size: clamp(39px, 9vw, 58px); letter-spacing: -1.8px; }
}
@media (max-width: 360px) {
  .container, .nav-wrap { width: calc(100% - 32px); }
  .hero h1 { font-size: 31px; }
  .data-visual { height: 250px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}