/* Content refresh: retain the original blue / orange palette and section layout. */
:root { --blue: #5366e8; --ink: #252b47; --muted: #616b83; --orange: #ff8a41; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body, p, h1, h2, h3, h4, a, button, summary { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif; }
body { color: var(--ink); background: #fff; }
p { line-height: 1.85; }
svg { width: 24px; height: 24px; flex: 0 0 auto; }
button { cursor: pointer; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #ed9c29; outline-offset: 5px; }
.skip-link { position: fixed; z-index: 1001; top: -80px; left: 20px; padding: 12px 20px; background: #fff; color: var(--ink); }
.skip-link:focus { top: 12px; }
.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 100; color: #fff; background: transparent; }
.site-header.is-scrolled { position: fixed; background: #3b50cd; box-shadow: 0 4px 24px #17266c26; }
.header-inner { display: flex; align-items: center; gap: 28px; min-height: 90px; }
.brand { display: inline-flex; align-items: baseline; font: 800 32px/1.2 "Segoe UI", sans-serif; letter-spacing: -1.3px; color: inherit; flex-shrink: 0; }
.brand span { color: #ff9f60; }
.brand .brand-dot { width: 7px; height: 7px; background: #ff9f60; border-radius: 50%; margin: 0 0 2px 4px; }
#site-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; }
#site-nav a { color: #fff; font-size: 14px; font-weight: 500; white-space: nowrap; padding: 8px 0; }
#site-nav a:hover { color: #ffcbab; }
#site-nav .language-link { border-left: 1px solid #ffffff4a; padding-left: 20px; }
.header-cta { display: inline-flex; align-items: center; gap: 12px; background: white; color: #3b50cd; border-radius: 7px; padding: 12px 18px; white-space: nowrap; font-size: 14px; font-weight: 600; }
.header-cta svg { width: 18px; }
.menu-toggle { display: none; }
.maindiv { background: radial-gradient(ellipse at 75% 25%, #7991f966, transparent 52%), linear-gradient(115deg, #5366e8, #3c54d2); height: auto; padding: 158px 0 108px; overflow: hidden; }
.hero-row { min-height: 490px; }
.hero-sub-title { padding: 0; margin-bottom: 22px; font-size: 13px; letter-spacing: 2.5px; color: #dce3ff; font-weight: 600; }
.hero-title { font-size: clamp(42px, 4.8vw, 65px); line-height: 1.24; letter-spacing: -.025em; margin-bottom: 25px; padding: 0; font-weight: 700; }
.hero-text { font-size: 21px; line-height: 1.75; font-weight: 500; padding: 0; max-width: 510px; margin-bottom: 16px; text-wrap: balance; }
.hero-detail { color: #e4e9ff; line-height: 1.9; max-width: 480px; }
.hero-actions { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; margin: 32px 0 30px; }
.primary-button, .secondary-button, .text-link { display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: 15px; font-weight: 600; }
.primary-button { background: var(--orange); color: #21263d; padding: 15px 23px; border-radius: 7px; min-height: 52px; }
.primary-button:hover { background: #ffa66e; color: #21263d; box-shadow: 0 6px 18px #202b6726; }
.secondary-button { color: #fff; }
.secondary-button:hover { color: #ffcbab; }
.primary-button svg, .secondary-button svg, .text-link svg { width: 19px; }
.text-link { color: #4557ce; justify-content: flex-start; }
.text-link:hover { color: #263793; }
.hero-tags { display: flex; gap: 0; color: #e4e9ff; font-size: 13px; }
.hero-tags span + span { border-left: 1px solid #ffffff4a; margin-left: 18px; padding-left: 18px; }
.hero-art { padding-left: 36px; }
.hero-art img { border-radius: 24px; box-shadow: 0 25px 65px #23379740; aspect-ratio: 960 / 760; }
.art-caption { display: flex; gap: 10px; align-items: center; justify-content: center; color: #ebefff; font-size: 12px; letter-spacing: .5px; margin-top: 18px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #8ce7d6; }
.media-strip { border-bottom: 1px solid #ebedf7; padding: 32px 0; }
.media-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.media-inner strong { font-size: 15px; }
.media-inner p { font-size: 12px; color: var(--muted); margin-top: 6px; }
.media-logos { display: flex; align-items: center; gap: 42px; }
.media-logos img { width: 100px; height: 36px; object-fit: contain; }
.media-logos img[alt="TikTok"] { padding: 3px 0; }
.ws-section-spacing { padding: 94px 0; }
.feature-bg { background: #fff; }
.section-label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 2px; color: #586bd8; margin-bottom: 17px; }
.center-title { max-width: 800px; margin: 0 auto; padding-bottom: 48px; text-align: center; }
.title { font-size: 34px; line-height: 1.5; font-weight: 700; padding: 0; margin: 0 0 18px; text-transform: none; }
.center-title .sub-title, .left-title .sub-title { font-size: 16px; line-height: 1.9; font-weight: 400; color: var(--muted); margin: 0; }
.center-title .title, .left-title .title { padding: 0; margin-bottom: 18px; text-transform: none; }
.features { display: flex; gap: 23px; height: calc(100% - 26px); margin-bottom: 26px; padding: 31px 28px; border: 1px solid #eaedf7; box-shadow: 0 8px 26px #29365d08; border-radius: 10px; }
.feature-symbol { width: 60px; height: 60px; flex: 0 0 60px; border-radius: 18px; display: grid; place-items: center; background: #e7edff; color: #5366e8; }
.feature-symbol svg { width: 29px; height: 29px; }
.tone-2 { background: #fff0e5; color: #bc682b; }
.tone-3 { background: #e1f4f0; color: #298773; }
.features.active { background: #5366e8; border-color: #5366e8; }
.features:hover { background: #5366e8; }
.features.active .feature-symbol, .features:hover .feature-symbol { background: #fff; }
.feature-contain { width: auto; flex: 1; margin: 0; }
.feature-title { font-size: 21px; line-height: 1.5; margin: 0 0 12px; }
.feature-contain p { color: var(--muted); font-size: 15px; }
.features.active .feature-title, .features:hover .feature-title { color: #fff; }
.service-bg { background: linear-gradient(140deg, #5366e8, #4257d1); height: auto; }
.on-blue .title, .on-blue .sub-title { color: #fff; }
.on-blue .section-label { color: #dbe1ff; }
.team-figure { max-width: 900px; margin: 0 auto 46px; background: #f8faff; border-radius: 16px; overflow: hidden; }
.team-figure img { aspect-ratio: 2.55; object-fit: cover; }
.team-figure figcaption { padding: 15px 20px; text-align: center; color: #616b83; border-top: 1px solid #e9edf6; font-size: 13px; }
.service-grid > div { display: flex; }
.service-box { display: flex; flex-direction: column; width: 100%; padding: 28px; border-radius: 10px; margin: 0 0 28px; box-shadow: 0 7px 22px #25328618; }
.service-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.service-symbol { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 13px; background: #edf0ff; color: var(--blue); }
.card-index { font-size: 13px; color: #667086; letter-spacing: 1px; }
.service-box h3 { font-size: 20px; line-height: 1.55; margin-bottom: 14px; }
.service-box > p { color: var(--muted); font-size: 14px; margin-bottom: 23px; }
.deliverable { border-top: 1px solid #e9ecf5; padding-top: 18px; margin-top: auto; margin-bottom: 22px; }
.deliverable h4 { font-size: 12px; color: #5366c8; font-weight: 600; margin-bottom: 8px; }
.deliverable p { font-size: 13px; color: #606b83; }
.service-box .text-link { font-size: 13px; }
.left-title { padding-bottom: 20px; }
.architecture-art { padding-right: 48px; }
.architecture-art img { border-radius: 16px; }
.check-list { margin: 0 0 30px; }
.check-list li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; align-items: center; }
.check-list svg { width: 19px; height: 19px; color: #586bd8; }
.about-bg { background: #f4f6fd; }
.about-copy { padding-right: 42px; }
.about-copy > p { font-size: 15px; color: var(--muted); }
.about-principles { display: flex; flex-wrap: wrap; gap: 9px; margin: 26px 0; }
.about-principles span { padding: 7px 10px; background: #e7ebfb; color: #4558a4; border-radius: 4px; font-size: 12px; }
.collaboration-figure { margin: 0; background: #f0f3f9; border: 1px solid #e1e6f1; border-radius: 14px; overflow: hidden; }
.collaboration-figure img { aspect-ratio: 1.45; object-fit: cover; }
.collaboration-figure figcaption { font-size: 12px; padding: 14px; text-align: center; color: var(--muted); }
.price-box { text-align: left; padding: 26px 22px; border: 1px solid #e2e7f4; margin: 0 0 24px; height: calc(100% - 24px); box-shadow: 0 8px 22px #29365d06; }
.step-number { display: block; color: #5366e8; font-size: 33px; font-weight: 700; margin-bottom: 22px; }
.price-title { font-size: 19px; line-height: 1.5; margin-bottom: 16px; }
.price-box p { font-size: 14px; color: var(--muted); }
.step-output { margin-top: 25px; padding-top: 16px; border-top: 1px solid #e9ecf5; font-size: 12px; color: #4e62bd; }
.digital-bg { background: #f5f7fd; }
.digital-card { display: flex; gap: 23px; background: #fff; padding: 30px; border-radius: 10px; border: 1px solid #e9edf8; margin-bottom: 26px; height: calc(100% - 26px); }
.digital-symbol { color: #5366e8; padding-top: 4px; }
.digital-symbol svg { width: 30px; height: 30px; }
.digital-card h3 { font-size: 21px; margin-bottom: 15px; }
.digital-card h4 { font-size: 15px; line-height: 1.7; font-weight: 500; margin-bottom: 8px; }
.digital-card p { color: var(--muted); font-size: 14px; }
.digital-tags { color: #5265bc; font-size: 12px; margin-top: 18px; }
.faq-bg { background: #fff; }
.faq-list { padding-left: 55px; }
.faq-list details { border-bottom: 1px solid #e4e8f3; }
.faq-list details:first-child { border-top: 1px solid #e4e8f3; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 23px 0; font-size: 17px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details p { color: var(--muted); font-size: 14px; padding: 0 32px 25px 0; }
.faq-plus { width: 16px; height: 16px; position: relative; flex: 0 0 16px; }
.faq-plus::before, .faq-plus::after { content: ''; position: absolute; background: #5366e8; top: 7px; left: 0; width: 16px; height: 2px; }
.faq-plus::after { transform: rotate(90deg); }
details[open] .faq-plus::after { transform: rotate(0); }
.contact-bg { background: linear-gradient(115deg, #5366e8, #354dc8); height: auto; color: #fff; }
.contact-bg .section-label { color: #e0e6ff; }
.contact-bg .title { max-width: 620px; color: #fff; font-size: 36px; }
.contact-intro { color: #e5eaff; max-width: 520px; margin-bottom: 28px; }
.contact-handles { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 28px; font-size: 13px; color: #fff; }
.contact-handles > span { flex-basis: 100%; color: #dce3ff; font-size: 12px; margin-bottom: 3px; }
.contact-handles a { text-decoration: underline; text-underline-offset: 4px; padding: 5px 0; }
.contact-brief { margin-left: 24px; padding: 34px; border: 1px solid #ffffff38; border-radius: 12px; background: #ffffff0d; }
.contact-brief h3 { font-size: 21px; margin-bottom: 24px; color: #fff; }
.contact-brief p { display: flex; align-items: baseline; gap: 18px; color: #fff; border-bottom: 1px solid #ffffff29; padding: 17px 0; font-size: 15px; }
.contact-brief p:last-child { border: 0; }
.contact-brief p span { color: #c8d1ff; font-size: 12px; }
.copyright { border: 0; margin: 0; padding: 34px 0; background: #fff; }
.footer-inner { display: flex; align-items: center; gap: 30px; }
.footer-inner .brand { color: #33405c; font-size: 28px; }
.copyright p { font-size: 12px; font-weight: 400; color: #5a657b; line-height: 1.9; }
.copyright p span { color: #69748a; }
.footer-inner > div { display: flex; gap: 26px; margin-left: auto; font-size: 13px; }
.floating-contact, #btn-to-top { display: grid; place-items: center; position: fixed; right: 20px; width: 44px; height: 44px; border-radius: 12px; z-index: 80; box-shadow: 0 4px 16px #22346625; }
.floating-contact { bottom: 82px; color: #fff; background: #4358cc; }
.floating-contact:hover { color: #fff; background: #2c3fba; }
#btn-to-top { bottom: 28px; background: #fff; color: #4358cc; font-size: 24px; transform: none; }
@media (min-width: 1200px) { .container { max-width: 1160px; } }
@media (max-width: 1199px) { #site-nav { gap: 16px; } .header-inner { gap: 20px; } .header-cta { padding: 12px; } .media-logos { gap: 25px; } }
@media (max-width: 1099px) {
  .header-inner { min-height: 78px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; margin-left: auto; border: 1px solid #ffffff66; border-radius: 6px; color: #fff; background: transparent; }
  .menu-toggle span { width: 20px; height: 2px; background: currentColor; }
  #site-nav { display: none; position: absolute; top: 78px; left: 0; right: 0; background: #354ac3; padding: 18px max(24px, calc((100vw - 930px) / 2)); margin: 0; box-shadow: 0 12px 20px #20308020; }
  .menu-open #site-nav { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  #site-nav a { display: block; padding: 13px 0; }
  #site-nav .language-link { border-left: 0; padding-left: 0; border-top: 1px solid #ffffff38; }
  .header-cta { display: none; }
}
@media (max-width: 991px) {
  .maindiv { padding: 128px 0 64px; }
  .hero-title { font-size: 54px; }
  .hero-art { padding: 0 15px; max-width: 570px; margin: 46px auto 0; }
  .hero-text, .hero-detail { max-width: 620px; }
  .media-inner { flex-direction: column; text-align: center; gap: 24px; }
  .media-logos { gap: 45px; }
  .ws-section-spacing { padding: 70px 0; }
  .architecture-art { padding: 0 15px; margin: 0 auto 38px; max-width: 580px; }
  .about-copy { padding-right: 15px; margin-bottom: 35px; }
  .collaboration-figure { max-width: 660px; margin: 0 auto; }
  .faq-list { padding-left: 15px; margin-top: 32px; }
  .contact-brief { margin: 38px 0 0; }
}
@media (max-width: 575px) {
  .container { padding-left: 22px; padding-right: 22px; }
  .brand { font-size: 29px; }
  .maindiv { padding: 115px 0 48px; }
  .hero-title { font-size: 43px; }
  .hero-text { font-size: 18px; }
  .hero-detail { font-size: 14px; }
  .hero-sub-title { font-size: 11px; letter-spacing: 2px; }
  .hero-actions { gap: 22px; margin: 27px 0; }
  .primary-button, .secondary-button { font-size: 14px; }
  .hero-art { margin-top: 35px; }
  .art-caption { font-size: 11px; }
  .hero-tags { font-size: 12px; }
  .hero-tags span + span { padding-left: 12px; margin-left: 12px; }
  .media-logos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 23px 55px; }
  .media-logos img { width: 108px; }
  .ws-section-spacing { padding: 55px 0; }
  .title, .contact-bg .title { font-size: 28px; }
  .center-title { padding-bottom: 32px; }
  .center-title .sub-title, .left-title .sub-title { font-size: 14px; }
  .section-label { font-size: 10px; letter-spacing: 1.7px; }
  .features { padding: 23px 20px; gap: 16px; }
  .feature-symbol { width: 43px; height: 43px; flex-basis: 43px; border-radius: 12px; }
  .feature-symbol svg { width: 24px; height: 24px; }
  .feature-title { font-size: 18px; }
  .feature-contain p { font-size: 14px; }
  .team-figure { margin-bottom: 28px; }
  .team-figure img { aspect-ratio: 1.8; }
  .team-figure figcaption { font-size: 11px; padding: 12px; }
  .service-box { padding: 25px; }
  .price-box { padding: 24px; }
  .step-number { margin-bottom: 12px; }
  .digital-card { padding: 24px 20px; gap: 17px; }
  .digital-symbol svg { width: 24px; height: 24px; }
  .digital-card h3 { font-size: 19px; }
  .faq-list summary { font-size: 16px; }
  .contact-brief { padding: 25px; }
  .contact-handles { gap: 5px 13px; font-size: 12px; }
  .footer-inner { flex-wrap: wrap; gap: 18px; }
  .footer-inner > div { margin: 0; flex-basis: 100%; }
  .floating-contact, #btn-to-top { right: 12px; width: 40px; height: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }