:root {
  --ink: #102d42;
  --muted: #526c7c;
  --blue: #126c9b;
  --line: #d8e5eb;
  --paper: #f5f9fb;
  --gutter: clamp(24px, 6vw, 100px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, p { margin: 0; }
button, a { touch-action: manipulation; }
:focus-visible { outline: 3px solid #2783b5; outline-offset: 6px; }
::selection { background: #b9e3f4; color: #102d42; }
header { height: 96px; padding: 0 var(--gutter); display: flex; justify-content: space-between; align-items: center; gap: 24px; position: fixed; inset: 0 0 auto; z-index: 100; border-bottom: 1px solid rgba(16,45,66,.09); background: rgba(246,251,253,.88); backdrop-filter: blur(22px); transition: height .25s, box-shadow .25s; }
header.sticky { height: 78px; box-shadow: 0 8px 30px #102d4208; }
.logo { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.logo img { width: 44px; height: 44px; object-fit: cover; border-radius: 50%; }
.logo span { font-size: 19px; font-weight: 650; letter-spacing: .08em; }
.nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 46px); }
.nav a { position: relative; font-size: 14px; line-height: 2; white-space: nowrap; color: #476172; padding: 9px 0; transition: color .2s; }
.nav a::after { content: ""; position: absolute; height: 2px; bottom: 2px; left: 0; width: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover, .nav a.active { color: var(--blue); }
.nav a.active::after, .nav a:hover::after { transform: scaleX(1); }
.nav a:last-child { padding: 9px 23px; border: 1px solid #7897a8; border-radius: 40px; }
.nav a:last-child::after { display: none; }
.nav a:last-child:hover { color: white; background: var(--ink); border-color: var(--ink); }
.burger { display: none; }
#home { position: relative; isolation: isolate; background: #eaf4f8; padding: 96px var(--gutter) 0; overflow: hidden; }
#home::before { content: ""; width: 70vw; height: 70vw; border: 1px solid #accddd; border-radius: 50%; position: absolute; right: -24vw; top: -13vw; z-index: -1; }
.glide__slide { position: relative; display: flex; align-items: center; min-height: 690px; height: calc(100svh - 96px); max-height: 920px; }
.slide-caption { position: relative; z-index: 2; width: 59%; padding: 55px 0 95px; }
.slide-caption::before { content: ""; display: block; height: 3px; width: 64px; margin-bottom: 30px; background: var(--blue); }
.slide-caption h1 { font-size: clamp(64px, 7.5vw, 116px); letter-spacing: .045em; line-height: 1.16; font-weight: 500; }
.slide-caption h1 span { display: block; }
.slide-caption h1 span:last-child { color: var(--blue); }
.slogan { font-size: clamp(16px, 1.65vw, 24px); font-weight: 400; letter-spacing: .06em; margin: 32px 0 42px; }
.slogan .dot { margin: 0 9px; color: #548ca6; }
.explore-btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 58px; padding: 17px 25px; background: var(--ink); border: 1px solid var(--ink); color: #fff; border-radius: 40px; font-size: 15px; transition: background .2s, transform .2s; }
.explore-btn span { font-size: 23px; line-height: 1; }
.explore-btn:hover { background: var(--blue); transform: translateY(-3px); }
.slide-bg { position: absolute; right: -2%; top: 9%; width: 54%; height: 79%; object-fit: cover; border-radius: 48% 48% 5px 5px; box-shadow: 0 30px 65px #2f67831a; }
.glide__slide::after { content: ""; width: 130px; height: 130px; border: 1px solid #ffffffbd; border-radius: 50%; position: absolute; bottom: 7%; right: -3%; pointer-events: none; }
section { padding: 112px var(--gutter); scroll-margin-top: 78px; }
.title1 { font-size: clamp(32px, 3.4vw, 50px); font-weight: 500; letter-spacing: .08em; line-height: 1.3; }
.title1::before { content: attr(data-index); display: block; color: var(--blue); font-family: Georgia, serif; font-size: 17px; letter-spacing: .03em; margin-bottom: 20px; }
.about-us { display: grid; grid-template-columns: .85fr 1.6fr; column-gap: 8%; }
.about-us > .title1 { grid-column: 1; grid-row: 1 / 4; }
.intro { grid-column: 2; font-size: 17px; line-height: 2; color: var(--muted); margin-bottom: 14px; max-width: 800px; }
.intro:first-of-type { font-size: 22px; color: var(--ink); line-height: 1.8; margin-top: 4px; }
.features { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 65px; border-top: 1px solid var(--line); counter-reset: feature; }
.feature { position: relative; padding: 38px 30px 38px 0; border-bottom: 1px solid var(--line); counter-increment: feature; }
.feature:not(:nth-child(3n + 1)) { padding-left: 30px; border-left: 1px solid var(--line); }
.feature::before { content: "0" counter(feature); display: block; color: #64879c; font-size: 14px; font-family: Georgia, serif; margin-bottom: 30px; }
.section-icon { display: none; }
.feature-title { font-size: 19px; font-weight: 600; line-height: 1.65; margin-bottom: 17px; }
.feature-concent { font-size: 16px; line-height: 1.95; color: var(--muted); }
.feature { transition: background .25s; }
.feature:hover { background: #f6fafc; }
.showcases { background: var(--paper); display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 46px 24px; }
.filter-btns { display: flex; gap: 6px; flex-wrap: wrap; padding: 5px; border: 1px solid var(--line); border-radius: 40px; }
.filter-btn { padding: 11px 24px; border: 0; border-radius: 30px; background: transparent; color: var(--muted); font-size: 14px; min-height: 44px; transition: background .2s, color .2s; }
.filter-btn.active { background: var(--ink); color: white; }
.filter-btn:not(.active):hover { background: #e2edf3; color: var(--ink); }
.cases { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.case-item { min-width: 0; padding: 9px; background: white; border: 1px solid #dde7ec; border-radius: 5px; box-shadow: 0 8px 24px #23485905; transition: transform .25s, box-shadow .25s; }
.case-item[hidden] { display: none; }
.case-item img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 2px; }
.case-item:hover { transform: translateY(-5px); box-shadow: 0 16px 30px #23485914; }
.service { background: #102d42; color: #f6fbfe; position: relative; overflow: hidden; }
.service::before { content: ""; position: absolute; width: 460px; height: 460px; right: -220px; top: -300px; border-radius: 50%; border: 1px solid #7faabd40; pointer-events: none; }
.service .title1::before { color: #88c5df; }
.services { display: grid; grid-template-columns: 1fr 1.35fr .85fr; gap: 0; margin-top: 55px; border-top: 1px solid #4d687a; counter-reset: service; }
.service-item { padding: 40px 32px 16px 0; position: relative; counter-increment: service; }
.service-item + .service-item { border-left: 1px solid #4d687a; padding-left: 32px; }
.service-item::before { content: "0" counter(service); display: block; color: #88c5df; font-family: Georgia, serif; font-size: 48px; font-weight: 400; margin-bottom: 34px; }
.service-title { font-size: 23px; line-height: 1.5; font-weight: 500; margin-bottom: 20px; }
.service-content { font-size: 16px; line-height: 2; color: #c3d5df; }
.service-content p { margin-bottom: 10px; }
.service-content p:last-child { margin-bottom: 0; }
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: start; position: relative; background: #edf5f9; }
.contact .title1 { position: sticky; top: 140px; padding-bottom: 70px; }
.contact .title1::after { content: "↗"; display: block; margin-top: 46px; font-size: 100px; line-height: 1; font-family: system-ui, sans-serif; font-weight: 200; color: #86b5ca; }
.contact-info { max-width: 560px; width: 100%; justify-self: end; padding: 12px; border: 1px solid #ccdee8; background: white; border-radius: 8px; box-shadow: 0 20px 60px #25475d0d; }
.contact-info img { width: 100%; border-radius: 3px; }
footer { padding: 32px var(--gutter); background: #0c2233; color: #b4c8d4; }
.footer-menus { display: flex; justify-content: space-between; gap: 14px 35px; align-items: center; font-size: 13px; line-height: 1.8; }
.scrollToTop { position: fixed; bottom: 25px; right: 24px; z-index: 80; visibility: hidden; opacity: 0; transform: translateY(12px); transition: opacity .2s, transform .2s, visibility .2s; }
.scrollToTop.visible { visibility: visible; opacity: 1; transform: none; }
.scrollToTop a { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: 0 5px 22px #102d4214; font-size: 23px; }
@media (min-width: 1700px) {
  :root { --gutter: max(100px, calc((100vw - 1500px) / 2)); }
}
@media (max-width: 1050px) {
  .nav { gap: 20px; }
  .logo span { font-size: 17px; }
  .nav a:last-child { padding: 9px 14px; }
  .glide__slide { min-height: 620px; max-height: 780px; }
  .slogan { font-size: 16px; letter-spacing: 0; }
  .slogan .dot { margin: 0 4px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature:not(:nth-child(3n + 1)) { border-left: 0; padding-left: 0; }
  .feature:nth-child(even) { border-left: 1px solid var(--line); padding-left: 30px; }
  .services { grid-template-columns: 1fr 1.2fr; }
  .service-item:last-child { grid-column: 1 / -1; border-left: 0; border-top: 1px solid #4d687a; padding-left: 0; margin-top: 30px; }
  .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
  header, header.sticky { height: 76px; }
  .burger { display: flex; flex-direction: column; justify-content: center; gap: 5px; background: transparent; border: 1px solid #b4cad6; width: 44px; height: 44px; padding: 10px; border-radius: 50%; }
  .burger span { width: 22px; height: 1px; background: var(--ink); transition: transform .2s, opacity .2s; }
  header.open .burger-line1 { transform: translateY(6px) rotate(45deg); }
  header.open .burger-line2 { opacity: 0; }
  header.open .burger-line3 { transform: translateY(-6px) rotate(-45deg); }
  .nav { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 22px var(--gutter) 30px; background: #f5fafc; box-shadow: 0 18px 24px #102d4212; border-top: 1px solid var(--line); }
  header.open .nav { display: flex; flex-direction: column; align-items: stretch; gap: 7px; }
  .nav a { padding: 10px 0; font-size: 16px; }
  .nav a:last-child { margin-top: 8px; text-align: center; }
  #home { padding-top: 76px; }
  .glide__slide { height: auto; min-height: 650px; max-height: none; }
  .slide-caption { width: 62%; }
  .slide-caption h1 { font-size: clamp(54px, 9vw, 74px); }
  .slide-bg { right: -16%; width: 63%; height: 72%; top: 14%; opacity: .76; }
  .slogan { font-size: 15px; white-space: nowrap; }
  section { padding-top: 76px; padding-bottom: 76px; }
  .about-us { grid-template-columns: 1fr; }
  .about-us > .title1 { grid-column: 1; grid-row: auto; margin-bottom: 32px; }
  .intro { grid-column: 1; }
  .showcases { grid-template-columns: 1fr; gap: 28px; }
  .filter-btns { width: fit-content; }
  .contact { grid-template-columns: 1fr; gap: 34px; }
  .contact .title1 { position: static; padding: 0; }
  .contact .title1::after { display: none; }
  .contact-info { justify-self: center; }
  .footer-menus { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 540px) {
  .logo img { width: 36px; height: 36px; }
  .logo span { font-size: 16px; }
  .glide__slide { display: block; min-height: 0; padding-bottom: 30px; }
  .slide-caption { width: 100%; padding: 44px 0 32px; }
  .slide-caption::before { margin-bottom: 22px; width: 42px; }
  .slide-caption h1 { font-size: clamp(52px, 13vw, 68px); }
  .slide-caption h1 span { display: inline; }
  .slide-caption h1 span:last-child { display: block; }
  .slogan { margin: 23px 0 28px; font-size: 14px; }
  .explore-btn { padding: 13px 21px; gap: 44px; }
  .slide-bg { position: relative; right: auto; top: auto; width: 100%; height: 280px; object-position: center 46%; border-radius: 120px 120px 3px 3px; opacity: 1; }
  .glide__slide::after { width: 74px; height: 74px; bottom: 12px; right: -15px; }
  .intro:first-of-type { font-size: 20px; }
  .intro { font-size: 16px; }
  .features { grid-template-columns: 1fr; margin-top: 36px; }
  .feature, .feature:not(:nth-child(3n + 1)), .feature:nth-child(even) { padding: 28px 0; border-left: 0; }
  .feature::before { margin-bottom: 18px; }
  .feature-title { font-size: 19px; }
  .cases { grid-template-columns: 1fr; gap: 20px; }
  .filter-btns { gap: 2px; width: 100%; justify-content: space-between; }
  .filter-btn { padding: 10px 14px; }
  .services { grid-template-columns: 1fr; margin-top: 35px; }
  .service-item, .service-item + .service-item, .service-item:last-child { padding: 30px 0; margin: 0; border-left: 0; }
  .service-item + .service-item { border-top: 1px solid #4d687a; }
  .service-item::before { font-size: 38px; margin-bottom: 24px; }
  .service-title { font-size: 22px; }
  .contact-info { padding: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
/* Editorial content layout: preserve full copy behind native disclosures. */
.about-editorial { display: block; }
.about-heading { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: end; }
.about-lead { font-size: 21px; line-height: 1.9; max-width: 590px; color: var(--muted); }
.brand-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 58px 0 65px; padding: 40px 0; border-block: 1px solid var(--line); }
.brand-metrics > div { padding-left: 14%; border-left: 1px solid var(--line); }
.brand-metrics > div:first-child { padding-left: 0; border-left: 0; }
.brand-metrics strong { font-family: Georgia, serif; font-size: clamp(50px, 6vw, 82px); line-height: 1.1; font-weight: 400; letter-spacing: -.04em; color: var(--blue); }
.brand-metrics strong span { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 24px; letter-spacing: 0; margin-left: 5px; }
.brand-metrics p { color: var(--muted); font-size: 15px; margin-top: 17px; }
.about-bottom { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9%; }
.eyebrow { font-size: 13px; letter-spacing: .13em; color: var(--blue); }
.brand-statement > p { font-size: clamp(26px, 2.5vw, 38px); line-height: 1.65; margin: 23px 0 30px; font-weight: 500; }
.brand-statement em { font-style: normal; color: var(--blue); }
details summary { cursor: pointer; list-style: none; }
details summary::-webkit-details-marker { display: none; }
.company-detail { max-width: 370px; }
.company-detail summary { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.company-detail summary::after { content: "+"; }
.company-detail[open] summary::after { content: "−"; }
.company-detail p { font-size: 16px; line-height: 1.9; color: var(--muted); margin-top: 17px; }
.expertise { border-bottom: 1px solid var(--line); }
.expertise:first-child { border-top: 1px solid var(--line); }
.expertise summary { display: grid; grid-template-columns: 28px 1fr 24px; align-items: center; gap: 18px; padding: 21px 4px; }
.expertise-number { font-size: 14px; font-family: Georgia, serif; color: #6b8a9b; }
.expertise strong { display: block; font-size: 18px; font-weight: 500; }
.expertise small { display: block; color: var(--muted); font-size: 13px; margin-top: 5px; }
.detail-toggle { width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%; position: relative; }
.detail-toggle::before, .detail-toggle::after { content: ""; position: absolute; width: 8px; height: 1px; background: var(--blue); left: 7px; top: 11px; }
.detail-toggle::after { transform: rotate(90deg); transition: transform .2s; }
.expertise[open] .detail-toggle::after { transform: rotate(0); }
.expertise[open] { background: #f5fafc; }
.expertise > p { padding: 0 20px 24px 50px; font-size: 16px; line-height: 1.95; color: var(--muted); }
.expertise summary:hover strong { color: var(--blue); }
.service-heading { display: flex; justify-content: space-between; align-items: end; gap: 25px; }
.service-heading > p { color: #a3c7db; font-size: 17px; letter-spacing: .1em; }
.cooperation-cards { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 20px; align-items: start; margin-top: 54px; }
.cooperation-card { background: #17384e; border: 1px solid #3e6075; padding: 30px; border-radius: 8px; min-width: 0; }
.cooperation-featured { background: #e7f4fa; color: var(--ink); border-color: #e7f4fa; }
.mode-top { display: flex; align-items: center; justify-content: space-between; color: #a4cce0; margin-bottom: 35px; font-family: Georgia, serif; font-size: 16px; }
.mode-symbol { font-family: sans-serif; font-size: 23px; }
.cooperation-featured .mode-top { color: var(--blue); }
.cooperation-card h3 { font-size: 19px; font-weight: 500; }
.mode-focus { font-size: clamp(26px, 2.6vw, 38px); margin-top: 18px; margin-bottom: 32px; line-height: 1.5; letter-spacing: .01em; }
.mode-focus span { display: block; font-size: 15px; color: #b6d1df; margin-top: 5px; }
.cooperation-featured .mode-focus { font-family: Georgia, serif; font-size: 66px; line-height: 1; margin-bottom: 30px; }
.cooperation-featured .mode-focus span { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; display: inline-block; margin-left: 12px; color: var(--muted); }
.mode-benefit { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid #3e6075; padding-top: 24px; }
.mode-benefit span { font-size: 13px; color: #a3c7db; }
.mode-benefit strong { font-size: 22px; font-weight: 500; }
.mode-note { font-size: 14px; line-height: 1.8; color: #c4dbe7; margin-top: 22px; padding: 12px 0; }
.cooperation-featured .mode-note { color: var(--blue); background: #d5eaf4; padding: 12px; border-radius: 4px; }
.mode-details { margin-top: 17px; border-top: 1px solid #436376; }
.mode-details summary { padding-top: 18px; color: #bcd5e3; font-size: 14px; display: flex; justify-content: space-between; gap: 15px; }
.mode-details summary::after { content: "+"; }
.mode-details[open] summary::after { content: "−"; }
.mode-details p { margin-top: 15px; color: #c4dbe7; font-size: 16px; line-height: 1.9; }
.cooperation-featured .mode-details { border-color: #b7d0df; }
.cooperation-featured .mode-details summary, .cooperation-featured .mode-details p { color: var(--muted); }
.live-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; border-block: 1px solid #b7d0df; padding: 20px 0; }
.live-benefits > div + div { border-left: 1px solid #b7d0df; padding-left: 18px; }
.live-benefits strong { font-family: Georgia, serif; font-size: 31px; font-weight: 400; white-space: nowrap; }
.live-benefits strong span { font-size: 14px; margin-left: 5px; }
.live-benefits p { font-size: 14px; margin-top: 8px; }
.live-benefits small { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.live-promotion { font-size: 14px; margin-top: 20px; line-height: 1.8; color: var(--muted); }
.contact-editorial { display: block; }
.contact-editorial .title1 { position: static; padding: 0; }
.contact-editorial .title1::after { display: none; }
.contact-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 54px; }
.contact-heading > p { font-size: 18px; letter-spacing: .1em; color: var(--muted); }
.contact-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 9%; }
.application-process > h3 { font-size: 23px; font-weight: 500; margin-bottom: 32px; }
.application-process ol { list-style: none; padding: 0; margin: 0; }
.application-process li { display: grid; grid-template-columns: 40px 1fr; gap: 23px; padding-bottom: 29px; position: relative; }
.application-process li:not(:last-child)::before { content: ""; width: 1px; position: absolute; background: #c4dce8; top: 36px; bottom: 0; left: 18px; }
.step-index { display: grid; place-items: center; width: 37px; height: 37px; background: #f9fcfe; border: 1px solid #b7d4e2; border-radius: 50%; font-size: 14px; color: var(--blue); font-family: Georgia, serif; z-index: 1; }
.application-process h4 { font-size: 18px; font-weight: 500; line-height: 1.7; }
.application-process p { font-size: 15px; color: var(--muted); line-height: 1.9; margin-top: 5px; }
.duration { display: inline-block; vertical-align: middle; padding: 2px 11px; font-size: 12px; margin-left: 10px; border-radius: 20px; background: #d9ebf4; color: var(--blue); }
.contact-actions { display: flex; flex-direction: column; gap: 18px; }
.qr-card { background: white; border: 1px solid #d8e7ef; border-radius: 8px; padding: 28px; }
.qr-card h3 { font-size: 23px; font-weight: 500; margin-top: 10px; }
.qr-card p { font-size: 14px; color: var(--muted); line-height: 1.8; margin-top: 15px; }
.registration { text-align: center; }
.qr-frame { background: white; padding: 8px; width: 224px; max-width: 100%; border: 1px solid #e2eaf0; border-radius: 5px; }
.registration .qr-frame { margin: 23px auto 0; }
.qr-sprite { background-image: url('../../images/home2/contact-us.jpg'); background-repeat: no-repeat; }
.qr-registration { aspect-ratio: 528 / 506; background-size: 235.2273% 487.9447%; background-position: 53.3613% 28.9862%; }
.qr-consultation { aspect-ratio: 309 / 285; background-size: 401.9417% 866.3158%; background-position: 52.5188% 84.8443%; }
.consultation { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.consultation .qr-frame { width: 144px; flex-shrink: 0; }
.consultation h3 { font-size: 20px; }
.social-contact { padding: 20px 4px; }
.social-contact > span { font-size: 13px; color: var(--muted); padding-right: 15px; }
.social-contact strong { font-weight: 500; font-size: 19px; }
.social-contact p { font-size: 14px; color: var(--muted); margin-top: 12px; }
.social-contact small { display: block; font-size: 12px; letter-spacing: .06em; color: #687f8e; margin-top: 16px; }
@media (max-width: 1100px) {
  .cooperation-cards { gap: 14px; }
  .cooperation-card { padding: 22px; }
  .cooperation-featured .mode-focus span { display: block; margin: 12px 0 0; }
  .contact-layout { gap: 5%; }
  .consultation { flex-wrap: wrap; }
}
@media (max-width: 800px) {
  .about-heading { grid-template-columns: 1fr; gap: 25px; }
  .about-lead { font-size: 18px; }
  .brand-metrics { margin: 35px 0 45px; padding: 28px 0; }
  .brand-metrics strong { font-size: 48px; }
  .brand-metrics strong span { font-size: 18px; }
  .brand-metrics > div { padding-left: 10%; }
  .brand-metrics p { font-size: 13px; }
  .about-bottom { grid-template-columns: 1fr; gap: 32px; }
  .brand-statement > p { font-size: 28px; }
  .company-detail { max-width: none; }
  .service-heading { align-items: start; flex-direction: column; }
  .cooperation-cards { grid-template-columns: 1fr; gap: 18px; margin-top: 32px; }
  .cooperation-card { padding: 28px; }
  .mode-top { margin-bottom: 20px; }
  .cooperation-featured .mode-focus span { display: inline-block; margin-left: 12px; }
  .mode-focus span { display: inline; margin-left: 8px; }
  .mode-benefit { flex-direction: row; justify-content: space-between; align-items: center; }
  .contact-layout { grid-template-columns: 1fr; gap: 28px; }
  .contact-actions { max-width: 520px; width: 100%; justify-self: center; }
  .consultation { flex-wrap: nowrap; }
}
@media (max-width: 420px) {
  .brand-metrics strong { font-size: 36px; }
  .brand-metrics strong span { font-size: 14px; }
  .brand-metrics > div { padding-left: 8%; }
  .brand-metrics p { font-size: 12px; }
  .expertise summary { gap: 12px; }
  .expertise strong { font-size: 17px; }
  .contact-heading { align-items: start; flex-direction: column; }
  .qr-card { padding: 22px; }
  .consultation { gap: 12px; }
  .consultation .qr-frame { width: 122px; }
  .consultation h3 { font-size: 18px; }
}
/* Product imagery and case data are independent responsive regions. */
.product-cases { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.product-cases .product-case { padding: 0; display: flex; flex-direction: column; border-radius: 8px; overflow: hidden; background: #fff; border: 1px solid #dce7ed; box-shadow: none; }
.product-cases .product-case[hidden] { display: none; }
.product-case:hover { transform: translateY(-4px); border-color: #afcbd9; box-shadow: 0 14px 35px #2348590c; }
.product-case .case-visual { width: 100%; aspect-ratio: 1; position: relative; overflow: hidden; background: #edf5f8; border-bottom: 1px solid #e0eaf0; }
.product-case .case-studio-image { display: block; width: 100%; height: 100%; max-width: none; aspect-ratio: 1; object-fit: cover; object-position: center; border-radius: 0; }
.case-copy { padding: 25px 26px; flex: 1; display: flex; flex-direction: column; min-width: 0; }
.case-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.case-meta > span:first-child { font-size: 12px; font-weight: 500; letter-spacing: .08em; color: #637d8d; overflow-wrap: anywhere; }
.case-category { font-size: 12px; line-height: 1.7; padding: 2px 8px; border-radius: 20px; color: var(--blue); background: #edf5f9; white-space: nowrap; }
.case-copy h3 { font-size: 20px; line-height: 1.6; font-weight: 500; margin: 17px 0 22px; overflow-wrap: anywhere; }
.case-data { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 18px; margin: auto 0 0; padding-top: 21px; border-top: 1px solid var(--line); }
.case-data dt { font-size: 13px; font-weight: 400; color: var(--muted); }
.case-data dd { margin: 9px 0 0; }
.case-revenue dd { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px; color: var(--blue); }
.case-revenue strong { font-family: Georgia, serif; font-weight: 400; font-size: clamp(32px, 2.7vw, 44px); line-height: 1.15; letter-spacing: -.045em; }
.case-revenue dd > span { font-size: 16px; }
.case-price { border-left: 1px solid var(--line); padding-left: 18px; }
.case-price dd { font-size: 18px; line-height: 1.6; }
.case-price small { font-size: 12px; color: var(--muted); white-space: nowrap; }
@media (max-width: 1100px) {
  .product-cases { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .case-revenue strong { font-size: 40px; }
}
@media (max-width: 600px) {
  .product-cases { grid-template-columns: 1fr; gap: 24px; }
  .case-copy { padding: 25px; }
  .case-copy h3 { font-size: 20px; }
  .case-revenue strong { font-size: 44px; }
}