@font-face { font-family: "DMX Serif"; src: url("./assets/dmx-serif.woff2") format("woff2"); font-weight: 600; font-display: swap; }
:root { --paper: #f5f3ed; --ink: #152230; --muted: #657078; --blue: #005bff; --line: #d9dcd7; --serif: "DMX Serif", "Noto Serif CJK SC", "Songti SC", SimSun, serif; --sans: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 14px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; z-index: 50; pointer-events: none; background: url("./assets/paper.svg"); opacity: .2; }
h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
::selection { color: white; background: #005bffb3; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; }
.wrap { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.mono, .eyebrow, .hero-english, .service-subtitle { font-family: var(--mono); }
.eyebrow { display: flex; align-items: center; gap: 16px; font-size: 10px; letter-spacing: 2px; line-height: 1.6; }
.blue-line { width: 25px; height: 2px; background: var(--blue); }
.muted { color: #7b8385; }
.skip-link { position: fixed; top: -100px; left: 16px; background: var(--ink); color: white; padding: 12px 22px; z-index: 100; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; background: #f5f3edf2; backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.header-inner { height: 92px; display: flex; align-items: center; gap: 45px; }
.brand { display: block; flex-shrink: 0; width: 180px; }
.brand img { width: 100%; }
.desktop-nav { margin-left: auto; display: flex; gap: 42px; }
.desktop-nav a { font-size: 12px; letter-spacing: 1px; padding: 12px 0; }
.desktop-nav a:hover, .text-link:hover { color: var(--blue); }
.header-actions { display: flex; align-items: center; gap: 26px; }
.language-toggle { background: transparent; border: 0; min-width: 44px; min-height: 44px; font-family: var(--mono); font-size: 11px; }
.console-link { border: 1px solid #abb0b0; display: flex; align-items: center; gap: 27px; min-height: 42px; padding: 7px 17px; font-size: 11px; transition: border-color .2s, color .2s; }
.console-link:hover { border-color: var(--blue); color: var(--blue); }
.console-link > span:last-child { font-size: 17px; }
.menu-toggle { display: none; border: 0; background: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 7px; }
.menu-toggle span { width: 20px; height: 1px; background: var(--ink); transition: transform .2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav { position: absolute; left: 0; right: 0; top: 100%; padding: 12px 25px 24px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 14px 24px #1522300d; }
.mobile-nav a { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); }
.hero { overflow: hidden; }
.hero-inner { position: relative; min-height: 755px; display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; padding-top: 42px; padding-bottom: 107px; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(58px, 5.35vw, 79px); line-height: 1.48; letter-spacing: 3px; margin: 24px 0 19px; }
.hero-english { color: #657078; letter-spacing: 1.45px; font-size: 9px; }
.hero-description { white-space: pre-line; font-size: 13px; line-height: 2.1; color: #626d75; margin-top: 28px; max-width: 400px; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 35px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; gap: 36px; padding: 13px 24px; font-size: 12px; transition: background .2s, transform .2s; }
.button > span:last-child { font-size: 19px; line-height: 1; }
.button:hover { transform: translateY(-3px); }
.button-blue { color: white; background: var(--blue); }
.button-blue:hover { background: #0048cb; }
.text-link { display: inline-flex; align-items: center; gap: 22px; min-height: 44px; font-size: 12px; transition: color .2s; }
.text-link > span:last-child { font-size: 18px; }
.hero-art { position: absolute; width: 64%; right: -55px; top: 18px; height: 660px; }
.landscape { position: absolute; width: 100%; top: 15px; left: 0; }
.art-grid { position: absolute; top: 120px; right: 42px; width: 330px; height: 390px; background-image: linear-gradient(#4860710c 1px, transparent 1px), linear-gradient(90deg, #4860710c 1px, transparent 1px); background-size: 42px 42px; mask-image: radial-gradient(ellipse, #000 20%, transparent 70%); }
.art-coordinate { position: absolute; right: 30px; top: 80px; writing-mode: vertical-rl; font-family: var(--serif); font-size: 12px; letter-spacing: 6px; color: #667477; }
.art-seal { position: absolute; left: 25%; top: 66%; border: 1px solid #005bff91; color: #005bffb3; padding: 4px 6px; font-family: var(--serif); font-size: 14px; line-height: 1.35; transform: rotate(-4deg); }
.art-seal span { display: block; letter-spacing: 3px; }
.art-caption { position: absolute; right: 80px; bottom: 20px; color: #7e8a91; font: 8px var(--mono); letter-spacing: 1.5px; }
.hero-bottom { position: absolute; bottom: 0; left: 0; right: 0; height: 72px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); font-size: 11px; color: #68737b; }
.hero-bottom > span { display: flex; align-items: center; gap: 11px; letter-spacing: 1px; }
.hero-bottom i { width: 5px; height: 5px; background: var(--blue); }
.hero-bottom > a { display: flex; gap: 25px; align-items: center; min-height: 44px; font: 8px var(--mono); letter-spacing: 1.7px; }
.hero-bottom > a > span:last-child { font-size: 20px; }
.section { padding: 108px 0; }
.services { background: #fcfbf7; border-block: 1px solid #e5e5dd; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 45px; margin-bottom: 58px; }
.section-number { color: var(--blue); letter-spacing: 1px; }
h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 3.1vw, 44px); line-height: 1.7; letter-spacing: 1px; margin-top: 23px; }
.section-intro { white-space: pre-line; font-size: 12px; line-height: 2.2; color: var(--muted); padding-bottom: 10px; }
.service-row { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; align-items: center; padding: 54px 0; border-top: 1px solid var(--line); }
.service-topline { display: flex; align-items: center; gap: 21px; font-size: 9px; letter-spacing: 1.5px; }
.stage { font-family: var(--sans); color: #64717b; border: 1px solid #c7ced0; padding: 2px 8px; font-size: 9px; letter-spacing: .5px; }
.stage-active { color: #0050df; border-color: #005bff40; background: #005bff05; }
.service-copy h3 { font-family: var(--serif); font-size: 29px; font-weight: 600; letter-spacing: 1px; line-height: 1.6; margin-top: 23px; }
.service-subtitle { font-size: 9px; letter-spacing: 1.9px; color: #727f88; margin-top: 9px; }
.service-description { margin-top: 25px; font-size: 12px; line-height: 2.1; color: var(--muted); max-width: 450px; }
.service-features { display: flex; flex-wrap: wrap; gap: 7px 23px; list-style: none; padding: 0; margin: 24px 0 15px; font-size: 10px; }
.service-features li::before { content: "+"; color: var(--blue); margin-right: 8px; }
.blue-link { color: var(--blue); }
.service-note { font-size: 10px; color: #6f7880; margin-top: 15px; line-height: 1.9; }
.connection-art { background: #142533; color: #f5f3ed; padding: 25px 26px 22px; min-height: 316px; position: relative; overflow: hidden; }
.connection-art::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(#d6e6ff24 .7px, transparent .7px); background-size: 18px 18px; opacity: .7; }
.connection-art > * { position: relative; }
.diagram-top { display: flex; align-items: center; justify-content: space-between; color: #9eafbb; font: 8px var(--mono); letter-spacing: 1.3px; }
.diagram-top > span:last-child { font-size: 17px; }
.connection-map { display: flex; align-items: center; justify-content: center; padding: 35px 0 28px; }
.diagram-node { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.source-node > span:first-child { font: 21px var(--mono); width: 56px; height: 56px; border: 1px solid #8fadc342; display: grid; place-items: center; }
.source-node > span:last-child { font-size: 9px; color: #c1cad0; white-space: nowrap; }
.diagram-line { height: 1px; background: #278aec80; flex: 1; min-width: 18px; position: relative; margin-top: -23px; }
.diagram-line::after { content: ""; width: 4px; height: 4px; position: absolute; left: 0; top: -1.5px; background: #38baff; animation: signal 5s linear infinite; }
.outgoing::after { animation-delay: -2.5s; }
.diagram-core { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.diagram-core img { width: 78px; background: #f5f3ed; border: 1px solid #748fba; padding: 8px; }
.diagram-core > span { font: 8px var(--mono); letter-spacing: 1px; }
.model-nodes { display: flex; flex-direction: column; gap: 11px; padding-bottom: 25px; }
.model-nodes span { font: 8px var(--mono); letter-spacing: 1px; padding: 9px 11px; border: 1px solid #6f9fc94d; background: #1b354a; white-space: nowrap; }
.diagram-bottom { border-top: 1px solid #e4f1ff22; padding-top: 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 10px; color: #acbac4; }
.diagram-bottom .mono { font-size: 7px; letter-spacing: .5px; }
.research-service { padding-bottom: 0; }
.research-art { min-height: 375px; position: relative; overflow: hidden; background: radial-gradient(ellipse at center, #dfe8ed77, transparent 66%); }
.research-coordinate { position: absolute; left: 0; top: 13px; font: 8px var(--mono); color: #7d8c94; letter-spacing: 1.3px; }
.orbit { width: 280px; height: 280px; position: absolute; left: 50%; top: 50%; border: 1px solid #879aa247; border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-two { width: 330px; height: 180px; transform: translate(-50%, -50%) rotate(-32deg); border-color: #005bff40; }
.orbit-three { width: 320px; height: 200px; transform: translate(-50%, -50%) rotate(39deg); border-style: dashed; border-color: #8b9aab50; }
.research-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -52%); text-align: center; font-family: var(--serif); font-size: 88px; color: #263d4c; }
.research-center > span { display: block; white-space: nowrap; font: 6px var(--mono); letter-spacing: 1.8px; margin-top: -9px; color: #6a7c87; }
.orbit-point { width: 7px; height: 7px; background: var(--blue); position: absolute; border: 2px solid #fcfbf7; outline: 1px solid #005bff55; }
.point-one { left: calc(50% + 117px); top: calc(50% - 77px); }
.point-two { left: calc(50% - 125px); top: calc(50% + 82px); background: #748a97; outline-color: #748a9755; }
.research-caption { position: absolute; bottom: 0; left: 0; font-family: var(--serif); font-size: 12px; color: #6b7a81; letter-spacing: 3px; }
.research-directions { margin-top: 21px; }
.research-directions > div { display: flex; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.direction-index { font: 9px var(--mono); padding-top: 7px; color: #0060e8; }
.research-directions h4 { font-size: 12px; font-weight: 500; }
.research-directions p { font-size: 11px; color: var(--muted); margin-top: 3px; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.philosophy-grid article { padding: 35px 38px 41px; border-right: 1px solid var(--line); }
.philosophy-grid article:first-child { padding-left: 0; }
.philosophy-grid article:last-child { padding-right: 0; border-right: 0; }
.character-line { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.philosophy-character { font: 600 80px/1.5 var(--serif); }
.character-line .mono { font-size: 8px; color: #7c868c; letter-spacing: 1px; }
.philosophy-grid h3 { font-size: 15px; font-weight: 500; margin-top: 15px; letter-spacing: 2px; }
.philosophy-grid p { max-width: 300px; font-size: 12px; line-height: 2.1; color: var(--muted); margin-top: 13px; }
.philosophy-footnote { display: flex; align-items: center; gap: 16px; padding-top: 30px; }
.small-seal { font-family: var(--serif); font-size: 10px; border: 1px solid #52738b; color: #52738b; padding: 1px 4px; white-space: nowrap; }
.philosophy-footnote p { font-size: 11px; color: #6d7880; }
.philosophy-footnote > .mono { font-size: 7px; letter-spacing: 1.5px; margin-left: auto; color: #6d7880; white-space: nowrap; }
.closing { position: relative; background: #142330; color: #f5f3ed; text-align: center; overflow: hidden; }
.closing-inner { position: relative; z-index: 1; padding-block: 83px 76px; }
.closing .eyebrow { justify-content: center; font-size: 8px; color: #8da6b9; }
.closing h2 { font-size: 43px; margin-top: 23px; }
.closing h2 span { display: inline; }
.closing p:not(.eyebrow) { font-size: 12px; color: #a6b5c0; margin-top: 18px; }
.button-light { margin-top: 30px; background: #f5f3ed; color: #172b3b; }
.button-light:hover { background: #e4edfa; }
.closing-domain { display: block; font: 9px var(--mono); letter-spacing: 1px; color: #a6b5c0; margin-top: 18px; }
.closing-lines { position: absolute; left: -10%; bottom: -120%; width: 120%; height: 150%; border-radius: 50%; border: 1px solid #779ac633; box-shadow: 0 -35px 0 -34px #779ac633, 0 -70px 0 -69px #779ac633, 0 -105px 0 -104px #779ac633, 0 -140px 0 -139px #779ac633; transform: rotate(-12deg); }
.site-footer { padding-block: 35px 0; }
.footer-top { display: flex; align-items: center; gap: 36px; padding-bottom: 28px; }
.footer-top .brand { width: 150px; }
.footer-top p { font-family: var(--serif); color: #68747b; font-size: 12px; letter-spacing: 2px; }
.footer-top .text-link { margin-left: auto; font-size: 10px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid var(--line); color: #69767e; font-size: 9px; }
.footer-bottom > span:last-child { font: 7px var(--mono); letter-spacing: 1px; align-self: center; }
html[lang="en"] .hero h1 { font-family: Georgia, serif; font-size: clamp(53px, 5vw, 72px); line-height: 1.2; letter-spacing: -2px; margin-block: 29px; }
html[lang="en"] .hero-description { max-width: 385px; }
html[lang="en"] h2, html[lang="en"] h3 { font-family: Georgia, serif; letter-spacing: -.5px; }
html[lang="en"] h2 { line-height: 1.4; }
html[lang="en"] .section-intro { max-width: 365px; }
html[lang="en"] .hero-english { display: none; }
html[lang="en"] .service-copy h3 { font-size: 30px; }
@keyframes signal { from { left: 0; opacity: 0; } 15%, 80% { opacity: 1; } to { left: calc(100% - 4px); opacity: 0; } }
@media (min-width: 1600px) { .hero-inner { min-height: 805px; } .hero-art { top: 40px; } }
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 72px); }
  .header-inner { gap: 28px; }
  .desktop-nav { gap: 25px; }
  .header-actions { gap: 15px; }
  .hero-inner { min-height: 700px; }
  .hero-art { width: 66%; right: -45px; top: 60px; height: 565px; }
  .hero h1 { font-size: 62px; }
  .hero-description { font-size: 12px; }
  .art-caption { right: 60px; bottom: 28px; font-size: 7px; }
  .service-row { gap: 45px; }
  .service-copy h3 { font-size: 25px; }
  .connection-art { padding-inline: 18px; }
  .section { padding-block: 85px; }
  .philosophy-grid article { padding-inline: 27px; }
  .philosophy-footnote > .mono { display: none; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 44px); }
  html { scroll-padding-top: 90px; }
  .header-inner { height: 76px; gap: 14px; justify-content: space-between; }
  .brand { width: 146px; }
  .desktop-nav, .console-link { display: none; }
  .header-actions { gap: 6px; }
  .menu-toggle { display: flex; }
  .hero-inner { display: flex; flex-direction: column; align-items: stretch; padding-top: 43px; padding-bottom: 0; min-height: 0; }
  .hero .eyebrow { font-size: 9px; letter-spacing: 1.5px; }
  .hero h1 { font-size: clamp(49px, 9vw, 70px); line-height: 1.4; margin: 24px 0 17px; letter-spacing: 2px; }
  .hero-english { font-size: 7px; letter-spacing: .8px; }
  .hero-description { margin-top: 22px; font-size: 12px; }
  .hero-actions { gap: 26px; margin-top: 25px; }
  .button { min-height: 50px; padding-inline: 20px; gap: 27px; font-size: 11px; }
  .text-link { font-size: 11px; }
  .hero-art { position: relative; top: auto; right: auto; align-self: center; width: min(600px, 116%); height: auto; aspect-ratio: 1.4; margin-top: -12px; }
  .landscape { width: 100%; top: -15%; }
  .art-grid { top: 0; right: 9%; width: 65%; height: 95%; }
  .art-coordinate { right: 12%; top: 21%; font-size: 9px; letter-spacing: 3px; }
  .art-seal { top: 71%; left: 21%; font-size: 10px; }
  .art-caption { right: 13%; bottom: 7%; font-size: 6px; letter-spacing: .6px; }
  .hero-bottom { position: relative; height: 64px; font-size: 9px; }
  .hero-bottom > span { gap: 8px; letter-spacing: .2px; }
  .hero-bottom > a { gap: 12px; font-size: 6px; letter-spacing: .6px; }
  .section { padding-block: 62px; }
  .section-heading { display: block; margin-bottom: 32px; }
  h2 { font-size: 30px; margin-top: 21px; }
  .section-intro { margin-top: 22px; padding: 0; font-size: 11px; }
  .eyebrow { font-size: 9px; gap: 13px; }
  .service-row { grid-template-columns: 1fr; gap: 30px; padding-block: 33px; }
  .service-copy h3 { font-size: 27px; margin-top: 20px; }
  .service-description { margin-top: 20px; font-size: 12px; max-width: none; }
  .service-features { gap: 7px 18px; font-size: 10px; }
  .connection-art { min-height: 282px; padding: 22px; }
  .connection-map { padding-block: 27px 20px; }
  .diagram-line { max-width: 90px; }
  .research-service { padding-bottom: 0; }
  .research-service .service-copy { grid-row: 1; }
  .research-art { min-height: 340px; }
  .research-coordinate { top: 0; }
  .research-caption { bottom: 0; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .philosophy-grid article, .philosophy-grid article:first-child, .philosophy-grid article:last-child { padding: 25px 0; border-right: 0; }
  .philosophy-grid article + article { border-top: 1px solid var(--line); }
  .character-line { float: left; width: 100px; flex-direction: column; gap: 5px; margin-right: 26px; }
  .philosophy-character { font-size: 66px; line-height: 1.35; }
  .character-line .mono { font-size: 6px; }
  .philosophy-grid h3 { margin-top: 9px; font-size: 14px; }
  .philosophy-grid p { max-width: none; margin-left: 126px; font-size: 11px; margin-top: 10px; }
  .philosophy-footnote { align-items: flex-start; padding-top: 24px; gap: 13px; }
  .philosophy-footnote p { font-size: 10px; }
  .closing-inner { padding-block: 58px; }
  .closing .eyebrow { font-size: 7px; letter-spacing: 1px; }
  .closing h2 { font-size: 32px; line-height: 1.75; }
  .closing h2 span { display: block; }
  .closing p:not(.eyebrow) { font-size: 11px; margin-top: 17px; }
  .site-footer { padding-top: 24px; }
  .footer-top { gap: 10px; flex-wrap: wrap; }
  .footer-top .brand { width: 140px; }
  .footer-top p { order: 3; width: 100%; font-size: 10px; }
  .footer-bottom { font-size: 8px; padding-block: 18px; }
  .footer-bottom > span:last-child { display: none; }
  html[lang="en"] .hero h1 { font-size: clamp(49px, 9vw, 68px); margin-block: 24px; }
  html[lang="en"] .hero-description { max-width: 410px; }
  html[lang="en"] .hero-art { margin-top: 0; }
  html[lang="en"] .service-copy h3 { font-size: 28px; }
  html[lang="en"] .service-features { font-size: 9px; gap: 6px 14px; }
}
@media (max-width: 370px) {
  .wrap { width: calc(100% - 36px); }
  .hero h1 { font-size: 46px; }
  .hero-english { font-size: 6px; }
  .hero-actions { gap: 17px; }
  .button { padding-inline: 17px; gap: 22px; }
  .hero-bottom > a > span:first-child { display: none; }
  .connection-art { padding-inline: 16px; }
  .diagram-core img { width: 64px; }
  .diagram-core > span { font-size: 6px; }
  .source-node > span:first-child { width: 46px; height: 46px; }
  .model-nodes span { padding-inline: 7px; font-size: 7px; }
  .diagram-bottom .mono { display: none; }
  .character-line { width: 78px; margin-right: 18px; }
  .philosophy-grid p { margin-left: 96px; }
  .service-features { gap: 6px 13px; font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}