:root {
  color-scheme: light;
  --ink: #1b3037;
  --muted: #64767a;
  --accent: #117c78;
  --accent-dark: #09635f;
  --line: #dce5e3;
  --paper: #f5f7f7;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #46b8ac; outline-offset: 4px; }
.container { width: min(1180px, calc(100% - 80px)); margin-inline: auto; }
.site-shell { overflow: hidden; }

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; letter-spacing: .04em; }
.brand-mark { width: 35px; height: 35px; border: 2px solid var(--accent); border-radius: 11px; display: grid; place-items: center; transform: rotate(-10deg); }
.brand-mark span { width: 15px; height: 15px; border: 2px solid var(--accent); border-radius: 50%; position: relative; }
.brand-mark span::after { content: ""; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); top: 3px; left: 3px; }
.header-link { display: inline-flex; align-items: center; gap: 11px; color: var(--accent-dark); font-size: 14px; font-weight: 600; border-bottom: 1px solid currentColor; padding-bottom: 5px; }
.header-link span, .primary-link span { font-size: 18px; font-weight: 400; line-height: 1; }

.hero { min-height: 620px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 55px; padding-block: 48px 85px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 20px; }
.eyebrow { display: flex; align-items: center; gap: 11px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .2em; margin: 0 0 31px; }
.eyebrow-line { width: 23px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(40px, 4.3vw, 62px); letter-spacing: -.055em; line-height: 1.24; font-weight: 650; margin-bottom: 29px; }
h1 span { color: var(--accent); }
.hero-description { max-width: 525px; color: var(--muted); font-size: 17px; line-height: 1.95; margin-bottom: 35px; }
.primary-link { min-width: 150px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; background: var(--accent); color: white; padding: 16px 20px; border-radius: 4px; font-size: 14px; font-weight: 600; transition: background .2s, transform .2s; }
.primary-link:hover { background: var(--accent-dark); transform: translateY(-2px); }

.hero-visual { height: 478px; position: relative; border: 1px solid #d7e4e1; background: linear-gradient(145deg, #e6f0ed, #eef4f2 48%, #e7eeec); overflow: hidden; border-radius: 3px; }
.visual-grid, .graphic-grid { position: absolute; inset: 0; background-image: linear-gradient(#c7d9d5 1px, transparent 1px), linear-gradient(90deg, #c7d9d5 1px, transparent 1px); background-size: 48px 48px; opacity: .28; }
.hero-visual::before { content: ""; position: absolute; width: 75%; aspect-ratio: 1; top: -46%; right: -31%; background: #b4ddd2; filter: blur(80px); opacity: .55; }
.hero-visual::after { content: ""; position: absolute; width: 65%; aspect-ratio: 1; bottom: -42%; left: -30%; background: #a8d0cd; filter: blur(82px); opacity: .44; }
.orbit { position: absolute; border: 1px solid rgba(36, 123, 117, .22); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 360px; height: 360px; }
.orbit-two { width: 450px; height: 450px; }
.visual-core { position: absolute; width: 260px; height: 260px; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; }
.core-glow { width: 100%; height: 100%; border-radius: 50%; position: absolute; background: radial-gradient(circle, rgba(14, 127, 118, .17), rgba(14, 127, 118, 0) 69%); }
.core-ring { width: 175px; height: 175px; border-radius: 46px; transform: rotate(45deg); position: absolute; background: linear-gradient(135deg, #4bb9a8, #116e6a 55%, #093e47); box-shadow: 20px 25px 45px rgba(11, 89, 84, .23), inset 2px 2px 2px rgba(255, 255, 255, .4); }
.core-ring::before { content: ""; position: absolute; inset: 31px; background: #d9efea; border-radius: 50%; box-shadow: inset 10px 10px 22px rgba(13, 95, 91, .3); }
.core-center { position: absolute; width: 42px; height: 42px; border-radius: 50%; background: #0d706d; box-shadow: 0 0 0 14px rgba(18, 129, 117, .11); }
.visual-label { position: absolute; z-index: 1; font-size: 10px; font-weight: 700; letter-spacing: .18em; color: #538985; display: flex; align-items: center; gap: 10px; }
.label-top { left: 34px; top: 34px; }
.label-bottom { right: 34px; bottom: 34px; }
.label-dot { width: 6px; height: 6px; border-radius: 50%; background: #2a9f92; }
.label-line { width: 20px; height: 1px; background: currentColor; }
.visual-corner { position: absolute; width: 36px; height: 36px; border-color: #91b8b0; border-style: solid; opacity: .65; }
.corner-top { right: 24px; top: 24px; border-width: 1px 1px 0 0; }
.corner-bottom { left: 24px; bottom: 24px; border-width: 0 0 1px 1px; }

.section-space { padding-block: 110px; }
.section-index { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .13em; margin-bottom: 26px; }
h2 { font-size: clamp(30px, 3vw, 42px); line-height: 1.38; letter-spacing: -.045em; font-weight: 650; margin-bottom: 0; }
.about-section { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.about-copy { padding-top: 45px; border-top: 1px solid var(--line); }
.about-copy p { font-size: 16px; line-height: 2.1; color: #52676b; margin-bottom: 20px; }
.about-copy p:last-child { margin-bottom: 0; }

.services-section { background: #f7f9f8; }
.services-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 44px; }
.services-heading > p { color: var(--muted); margin: 0 0 3px; font-size: 14px; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.service-card { position: relative; min-height: 255px; padding: 27px 24px 27px; background: white; border: 1px solid var(--line); transition: border-color .2s, transform .2s, box-shadow .2s; }
.service-card:hover { transform: translateY(-4px); border-color: #a7cdc6; box-shadow: 0 16px 30px rgba(37, 82, 78, .06); }
.service-number { position: absolute; top: 26px; right: 24px; color: #a5b5b5; font-size: 11px; letter-spacing: .1em; }
.service-icon { width: 49px; height: 49px; display: grid; place-items: center; background: #e9f3f0; border-radius: 13px; color: var(--accent); margin-bottom: 41px; }
.service-icon span { position: relative; display: block; width: 21px; height: 21px; }
.icon-code span::before, .icon-code span::after { content: ""; position: absolute; top: 5px; width: 8px; height: 8px; border-color: currentColor; border-style: solid; }
.icon-code span::before { left: 2px; border-width: 0 0 2px 2px; transform: rotate(45deg); }
.icon-code span::after { right: 2px; border-width: 2px 2px 0 0; transform: rotate(45deg); }
.icon-ai span { border: 2px solid currentColor; border-radius: 50%; }
.icon-ai span::before, .icon-ai span::after { content: ""; position: absolute; border-radius: 50%; background: currentColor; }
.icon-ai span::before { width: 4px; height: 4px; top: 6px; left: 6px; box-shadow: 6px 0 currentColor; }
.icon-ai span::after { width: 4px; height: 4px; bottom: -6px; left: 7px; }
.icon-service span { border: 2px solid currentColor; border-radius: 4px; }
.icon-service span::before { content: ""; position: absolute; width: 9px; height: 2px; background: currentColor; left: 4px; top: 6px; box-shadow: 0 5px currentColor; }
.icon-data span { border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; }
.icon-data span::before { content: ""; position: absolute; bottom: 2px; left: 4px; width: 3px; height: 7px; background: currentColor; box-shadow: 6px -4px currentColor, 12px -9px currentColor; }
.service-card h3 { font-size: 17px; margin-bottom: 11px; font-weight: 650; }
.service-card p { color: var(--muted); font-size: 13px; line-height: 1.85; margin-bottom: 0; }

.application-section { background: #edf3f1; }
.application-layout { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 110px; }
.application-graphic { position: relative; height: 380px; background: #dfece8; border: 1px solid #cfdfda; overflow: hidden; }
.application-graphic::before { content: ""; position: absolute; inset: 15% 19%; border-radius: 50%; background: #b7dcd1; filter: blur(45px); }
.graphic-orbit { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 50%; border: 1px solid rgba(21, 121, 111, .3); }
.orbit-outer { width: 270px; height: 270px; }
.orbit-inner { width: 178px; height: 178px; border-style: dashed; }
.graphic-center { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 82px; height: 82px; display: grid; place-items: center; border-radius: 21px; background: #117c78; color: white; box-shadow: 0 18px 35px rgba(9, 89, 82, .24); font-size: 26px; font-weight: 600; letter-spacing: -.04em; }
.graphic-tag { position: absolute; z-index: 1; background: rgba(255, 255, 255, .92); border: 1px solid #d2e4df; box-shadow: 0 10px 22px rgba(15, 91, 83, .07); border-radius: 3px; color: #3f6964; font-size: 12px; padding: 10px 15px; }
.tag-one { top: 73px; left: 44px; }
.tag-two { top: 119px; right: 29px; }
.tag-three { bottom: 57px; left: 77px; }
.application-copy h2 { max-width: 485px; margin-bottom: 22px; }
.application-copy > p:not(.section-index) { color: #53696b; font-size: 16px; line-height: 2; max-width: 475px; margin-bottom: 29px; }
.application-note { display: inline-block; color: var(--accent-dark); border-left: 2px solid var(--accent); padding-left: 14px; font-size: 13px; font-weight: 600; }

.contact-section { background: #183c42; color: white; }
.contact-layout { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.contact-section .section-index { color: #80d1c4; }
.contact-section h2 { margin-bottom: 17px; }
.contact-section p:not(.section-index) { color: #b9cccb; line-height: 1.9; margin-bottom: 0; font-size: 15px; }
.site-footer { background: #14343a; color: #a9c1bf; border-top: 1px solid rgba(255, 255, 255, .12); }
.footer-layout { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12px; }
.footer-layout p { margin: 0; }
.filing-info { white-space: nowrap; }

@media (max-width: 1050px) {
  .hero { gap: 32px; }
  .hero-visual { height: 420px; }
  .about-layout { gap: 50px; }
  .application-layout { gap: 60px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card { min-height: 220px; }
}

@media (max-width: 700px) {
  .container { width: min(100% - 40px, 500px); }
  .site-header { height: 72px; }
  .brand { font-size: 16px; gap: 10px; }
  .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
  .header-link { font-size: 12px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; gap: 42px; min-height: 0; padding-block: 68px 76px; }
  .hero-copy { padding-bottom: 0; }
  .eyebrow { margin-bottom: 24px; font-size: 10px; }
  h1 { font-size: clamp(36px, 8.6vw, 50px); margin-bottom: 22px; }
  .hero-description { font-size: 15px; line-height: 1.85; margin-bottom: 27px; }
  .hero-visual { height: 320px; }
  .orbit-one { width: 285px; height: 285px; }
  .orbit-two { width: 365px; height: 365px; }
  .visual-core { transform: translate(-50%, -50%) scale(.8); }
  .visual-label { font-size: 8px; }
  .section-space { padding-block: 75px; }
  .section-index { margin-bottom: 19px; }
  h2 { font-size: clamp(28px, 7vw, 36px); }
  .about-layout, .application-layout { grid-template-columns: 1fr; gap: 32px; }
  .about-copy { padding-top: 24px; }
  .about-copy p, .application-copy > p:not(.section-index) { font-size: 15px; }
  .services-heading { display: block; margin-bottom: 28px; }
  .services-heading > p { margin-top: 15px; line-height: 1.8; }
  .service-grid { gap: 10px; }
  .service-card { min-height: 225px; padding: 23px 18px; }
  .service-icon { margin-bottom: 31px; }
  .service-card h3 { font-size: 15px; }
  .service-card p { font-size: 12px; }
  .application-graphic { order: 2; height: 310px; }
  .application-copy { order: 1; }
  .contact-layout { align-items: flex-start; flex-direction: column; gap: 28px; }
  .footer-layout { padding-block: 28px; align-items: flex-start; flex-direction: column; gap: 16px; }
}

@media (max-width: 390px) {
  .container { width: calc(100% - 32px); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 185px; }
  .service-icon { margin-bottom: 22px; }
  .brand-name { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}