:root {
  color-scheme: light;
  --blue: #1649bf;
  --navy: #061f47;
  --peach: #ffbfaa;
  --ink: #172a4d;
  --muted: #60708a;
  --paper: #fffdf9;
  --line: #dce1e9;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; min-width: 280px; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, figure { margin: 0; }
a:focus-visible, button:focus-visible { outline: 3px solid #28bcd0; outline-offset: 6px; }
::selection { background: var(--peach); color: var(--navy); }
.wrap { width: min(88%, 1280px); margin-inline: auto; }
.section-space { padding-block: 88px; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 10; padding: 12px 18px; background: var(--peach); color: var(--navy); }
.skip-link:focus { top: 16px; }

.site-header { background: var(--navy); color: #fffaf6; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 90px; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-symbol { position: relative; width: 38px; height: 49px; overflow: hidden; flex-shrink: 0; }
.brand-symbol img { position: absolute; width: 120px; height: 120px; max-width: none; top: -22px; left: -40px; }
.brand-name strong { display: block; font-size: 21px; font-weight: 700; letter-spacing: 3px; line-height: 1.3; }
.brand-name > span { display: block; margin-top: 4px; font-size: 9px; letter-spacing: 2.8px; color: var(--peach); }
.site-nav { display: flex; align-items: center; gap: 36px; font-size: 14px; }
.site-nav a { display: inline-flex; align-items: center; gap: 25px; min-height: 44px; }
.site-nav a:hover { color: var(--peach); }
.site-nav .nav-contact { border: 1px solid #718099; padding: 0 18px; }

.hero { isolation: isolate; position: relative; overflow: hidden; background: #032349; color: #fffaf6; }
.hero-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-inner { min-height: clamp(560px, 46.7vw, 790px); display: flex; align-items: center; padding-block: 64px 78px; }
.hero-copy { width: 52%; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #e0eaf9; font-size: 15px; letter-spacing: 2px; line-height: 1.6; }
.hero h1 { margin-top: 30px; font-size: clamp(56px, 5.6vw, 88px); font-weight: 800; letter-spacing: -.055em; line-height: 1.22; }
.hero h1 span { display: block; color: #ffd2b2; }
.hero-services { display: flex; flex-wrap: wrap; align-items: center; gap: 11px 0; margin: 32px 0 0; padding: 0; list-style: none; font-size: clamp(12px, 1.12vw, 17px); line-height: 1.6; letter-spacing: 1px; color: #e0eaf9; }
.hero-services li { display: flex; align-items: center; white-space: nowrap; }
.hero-services li + li::before { content: "·"; margin-inline: 11px; opacity: .8; }

.section-label { display: flex; align-items: center; gap: 14px; font-size: 12px; font-weight: 600; letter-spacing: 1.5px; color: var(--blue); margin-bottom: 20px; }
.section-label span { font-size: 10px; font-weight: 500; letter-spacing: 1.8px; }
h2 { font-size: clamp(29px, 3vw, 42px); font-weight: 700; letter-spacing: -.035em; line-height: 1.5; }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-copy { max-width: 540px; color: var(--muted); font-size: 15px; line-height: 2; }
.about-copy p + p { margin-top: 13px; }
.services { background: #f1f4f9; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.section-heading > p { font-size: 13px; color: var(--muted); padding-bottom: 8px; }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.service-card { min-width: 0; }
.service-art { position: relative; aspect-ratio: 16 / 10; overflow: hidden; margin-bottom: 22px; background: var(--blue); color: var(--peach); container-type: inline-size; }
.service-art small, .service-number { position: absolute; top: 12px; z-index: 1; font-size: 10px; font-weight: 500; letter-spacing: 2px; line-height: 1.4; }
.service-art small { left: 14px; }
.service-number { right: 14px; }
.service-art i { display: block; position: absolute; }
.service-art-create i { width: 55%; aspect-ratio: 1; border: 6.5cqw solid var(--peach); border-radius: 50%; left: 30%; top: 15%; }
.service-art-create i:nth-of-type(1) { left: 11%; top: 37%; border-width: 1.5cqw; }
.service-art-create i:nth-of-type(2) { width: 26%; height: 70%; aspect-ratio: auto; border: 0; border-radius: 0; background: var(--peach); left: 58%; top: 51%; transform: rotate(30deg); }
.service-art-exchange { background: var(--peach); color: var(--navy); }
.service-art-exchange i { width: 43.5%; aspect-ratio: 1; border: 9cqw solid var(--blue); left: 11%; top: 32%; transform: rotate(45deg); }
.service-art-exchange i:nth-of-type(2) { left: 47.5%; border-color: var(--navy); }
.service-art-craft { background: var(--navy); }
.service-art-craft i { inset: 27% -8% -15%; background: repeating-linear-gradient(45deg, transparent 0 5.5cqw, var(--peach) 5.5cqw 10cqw, transparent 10cqw 15.5cqw), repeating-linear-gradient(-45deg, transparent 0 5.5cqw, #466dcc 5.5cqw 10cqw, transparent 10cqw 15.5cqw); }
.service-art-events { background: #e8eeff; color: var(--blue); }
.service-art-events i { border: 3.5cqw solid var(--blue); width: 72%; height: 67%; left: 13%; top: 35%; transform: skewY(-13deg); }
.service-art-events i:nth-of-type(2) { left: 23%; top: 27%; border-color: #ed9e91; }
.service-art-events i:nth-of-type(3) { left: 33%; top: 18%; }
.service-card h3 { font-size: 24px; line-height: 1.4; font-weight: 700; }
.service-card .service-tagline { font-size: 13px; color: var(--ink); margin-top: 9px; }
.service-card > p:last-child { margin-top: 24px; font-size: 14px; line-height: 1.95; color: var(--muted); }

.contact { background: var(--navy); color: #fffaf6; }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center; }
.contact .section-label { color: var(--peach); }
.contact h2 { font-size: clamp(36px, 3.5vw, 50px); line-height: 1.35; }
.contact h2 > span { color: var(--peach); }
.contact-details { display: grid; grid-template-columns: minmax(0, 1fr) 124px; gap: 30px; align-items: start; }
.contact-details dl { margin: 0; }
.contact-details dl > div + div { margin-top: 25px; }
.contact-details dt { font-size: 11px; letter-spacing: 1px; color: #b9c8e0; margin-bottom: 8px; }
.contact-details dd { margin: 0; font-size: 17px; line-height: 1.6; overflow-wrap: anywhere; }
.contact-details dd a:hover { color: var(--peach); text-decoration: underline; text-underline-offset: 5px; }
.wechat a { display: block; background: #fff; padding: 7px; }
.wechat img { width: 100%; height: auto; }
.wechat figcaption { margin-top: 12px; text-align: center; font-size: 12px; line-height: 1.7; }
.wechat figcaption span { display: block; color: #b9c8e0; font-size: 10px; margin-top: 3px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 27px; font-size: 11px; color: var(--muted); line-height: 1.7; }
.footer-info { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; min-width: 0; }
.site-footer > a { flex-shrink: 0; }
.site-footer a { white-space: nowrap; padding-block: 8px; }
.site-footer a span { margin-left: 14px; }

@media (min-width: 1800px) {
  .hero-art img { object-position: center right; }
}

@media (max-width: 1050px) {
  .wrap { width: 89%; }
  .site-nav { gap: 25px; }
  .hero-inner { min-height: 530px; padding-block: 62px; }
  .hero-copy { width: 59%; }
  .hero h1 { font-size: clamp(52px, 6.5vw, 68px); }
  .hero-art img { object-position: 42% center; }
  .hero-services { font-size: 12px; letter-spacing: 0; }
  .hero-services li + li::before { margin-inline: 8px; }
  .section-space { padding-block: 68px; }
  .about { gap: 38px; }
  .service-grid { gap: 19px; }
  .service-card h3 { font-size: 22px; }
  .contact-inner { gap: 38px; grid-template-columns: .8fr 1.2fr; }
  .contact-details { gap: 20px; grid-template-columns: minmax(0, 1fr) 108px; }
  .contact-details dd { font-size: 15px; }
}

@media (max-width: 700px) {
  .wrap { width: 88%; }
  .header-inner { min-height: 78px; gap: 16px; }
  .brand { gap: 9px; }
  .brand-name strong { font-size: 18px; letter-spacing: 2px; }
  .brand-name > span { font-size: 8px; letter-spacing: 2px; }
  .brand-symbol { width: 31px; height: 40px; }
  .brand-symbol img { width: 98px; height: 98px; top: -18px; left: -33px; }
  .site-nav { gap: 16px; font-size: 12px; }
  .site-nav a:first-child { display: none; }
  .site-nav .nav-contact { padding: 0 11px; gap: 12px; min-height: 38px; }
  .hero { display: flex; flex-direction: column; }
  .hero-inner { order: 0; min-height: 0; padding-block: 44px 15px; }
  .hero-copy { width: 100%; }
  .eyebrow { font-size: 12px; letter-spacing: 1.5px; gap: 8px; }
  .hero h1 { font-size: clamp(46px, 10.5vw, 66px); margin-top: 20px; line-height: 1.2; }
  .hero-services { margin-top: 23px; font-size: clamp(11px, 2.7vw, 14px); letter-spacing: .5px; }
  .hero-services li + li::before { margin-inline: 8px; }
  .hero-art { position: relative; inset: auto; z-index: -1; order: 1; width: 100%; aspect-ratio: 1.55; overflow: hidden; margin-top: 6px; }
  .hero-art { mask-image: linear-gradient(transparent, #000 18%); -webkit-mask-image: linear-gradient(transparent, #000 18%); }
  .hero-art img { object-fit: cover; object-position: right center; }
  .section-space { padding-block: 52px; }
  .section-label { margin-bottom: 16px; font-size: 11px; }
  .section-label span { font-size: 9px; }
  .about { grid-template-columns: 1fr; gap: 24px; }
  .about-copy { max-width: none; font-size: 14px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading > p { margin-top: 12px; padding: 0; font-size: 12px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 24px; }
  .service-art { margin-bottom: 18px; }
  .service-art small, .service-number { top: 10px; font-size: 8px; letter-spacing: 1px; }
  .service-art small { left: 10px; }
  .service-number { right: 10px; }
  .service-card h3 { font-size: 22px; }
  .service-card .service-tagline { font-size: 11px; }
  .service-card > p:last-child { font-size: 13px; margin-top: 17px; }
  .contact-inner { grid-template-columns: 1fr; gap: 35px; }
  .contact-details { grid-template-columns: minmax(0, 1fr) 108px; gap: 22px; }
  .contact-details dd { font-size: 15px; }
  .site-footer { align-items: start; padding-block: 22px; gap: 16px; font-size: 10px; }
  .footer-info { flex-direction: column; align-items: flex-start; }
  .site-footer a { padding: 0; }
}

@media (max-width: 380px) {
  .site-nav a:not(.nav-contact) { display: none; }
  .hero h1 { font-size: 43px; }
  .hero-services { letter-spacing: 0; font-size: 11px; }
  .hero-services li + li::before { margin-inline: 6px; }
  .service-grid { gap: 32px 19px; }
  .service-card h3 { font-size: 20px; }
  .contact-details { grid-template-columns: minmax(0, 1fr) 90px; gap: 16px; }
  .contact-details dd { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}