@layer reset, base, components, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 105px; }
  body, h1, h2, h3, p { margin: 0; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; color: inherit; cursor: pointer; }
  button, a { -webkit-tap-highlight-color: transparent; }
  img, svg { display: block; }
  button { border: 0; }
  [hidden] { display: none !important; }
}

@layer base {
  :root { --paper: #f6f7f2; --white: #fff; --ink: #15251b; --muted: #68705f; --line: #dfe3d8; --lime: #cbf575; --dark: #112219; --font: "Inter", "Helvetica Neue", "Arial", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
  body { background: var(--paper); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; font-size: 15px; line-height: 1.65; }
  html.dialog-open { overflow: hidden; }
  ::selection { color: var(--ink); background: var(--lime); }
  :focus-visible { outline: 2px solid #5b8b24; outline-offset: 5px; }
  .container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
  .icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
  .icon { width: 21px; height: 21px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
  .section { padding-block: 108px; }
  .eyebrow { display: flex; align-items: center; gap: 13px; font-size: 11px; font-weight: 600; letter-spacing: 1.6px; line-height: 1.5; }
  .section-index { color: #627057; font-family: var(--mono); letter-spacing: -.4px; }
  .accent-period { color: #83b842; }
  .status-dot { display: inline-block; width: 6px; height: 6px; flex-shrink: 0; border-radius: 50%; background: #8dbb50; }
  h2 { font-size: clamp(28px, 2.65vw, 39px); line-height: 1.45; font-weight: 600; letter-spacing: -1.4px; }
  .button { display: inline-flex; justify-content: center; align-items: center; gap: 26px; min-height: 52px; padding: 14px 23px; border-radius: 5px; font-size: 13px; font-weight: 500; line-height: 1.4; transition: background .2s, transform .2s, box-shadow .2s; }
  .button:hover { transform: translateY(-2px); box-shadow: 0 5px 16px #11221915; }
  .button .icon { width: 18px; height: 18px; transition: transform .2s; }
  .button:hover .icon, .text-link:hover .icon { transform: translate(2px, -1px); }
  .button-dark { background: var(--dark); color: #fff; }
  .button-dark:hover { background: #2d4532; }
  .button-lime { background: var(--lime); color: var(--dark); }
  .button-lime:hover { background: #ddffa0; }
  .button-small { min-height: 40px; padding: 10px 17px; gap: 16px; font-size: 12px; }
  .text-link { display: inline-flex; align-items: center; gap: 13px; font-size: 13px; font-weight: 500; }
  .text-link .icon { width: 18px; height: 18px; transition: transform .2s; }
  .skip-link { position: fixed; top: -80px; left: 20px; background: var(--dark); color: white; padding: 10px 20px; border-radius: 4px; z-index: 100; }
  .skip-link:focus { top: 15px; }
}

@layer components {
  .site-header { height: 89px; background: #f6f7f2ed; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px); }
  .header-inner { height: 100%; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
  .brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
  .brand img { object-fit: contain; }
  .brand-wordmark { display: flex; flex-direction: column; gap: 1px; }
  .brand-wordmark strong { font-size: 21px; line-height: 1.4; letter-spacing: 2.5px; font-weight: 600; }
  .brand-wordmark > span { font-size: 8px; line-height: 1.4; letter-spacing: 2.2px; }
  .desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: 25px; }
  .desktop-nav a { font-size: 12px; color: #596054; display: flex; align-items: center; gap: 7px; padding-block: 12px; transition: color .2s; }
  .desktop-nav a:hover { color: #1b2b19; }
  .nav-dot { width: 4px; height: 4px; background: #8fbe4d; border-radius: 50%; }
  .header-actions { display: flex; gap: 25px; align-items: center; }
  .language-toggle { background: transparent; display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 44px; padding: 6px 0; font-family: var(--mono); font-size: 11px; }
  .language-toggle .icon { width: 16px; height: 16px; }
  .menu-toggle { display: none; background: transparent; width: 42px; height: 44px; align-items: center; justify-content: center; flex-direction: column; gap: 6px; }
  .menu-toggle span { display: block; width: 20px; height: 1.5px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .mobile-nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); padding: 16px 24px 25px; box-shadow: 0 15px 20px #15251b0a; }
  .mobile-nav a { padding: 14px 0; display: flex; align-items: center; justify-content: space-between; font-size: 15px; border-bottom: 1px solid var(--line); }

  .hero { overflow: hidden; position: relative; }
  .hero-grid { display: grid; grid-template-columns: 1.04fr 1fr; align-items: center; gap: 18px; min-height: 656px; padding-top: 25px; padding-bottom: 20px; }
  .hero-copy { position: relative; z-index: 1; padding-bottom: 10px; }
  .hero-eyebrow { font-size: 10px; letter-spacing: 1.85px; margin-bottom: 32px; }
  .hero-eyebrow .status-dot { box-shadow: 0 0 0 4px #8dbb5012; }
  h1 { font-size: clamp(43px, 4.55vw, 67px); font-weight: 600; line-height: 1.32; letter-spacing: -2px; margin-left: -4px; }
  h1 .accent-period { display: inline-block; margin-left: 4px; }
  .hero-description { max-width: 439px; color: #66705f; font-size: 14px; line-height: 2; margin-top: 25px; }
  .hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 33px; }
  .hero-footnote { display: flex; align-items: center; gap: 10px; color: #627057; font-size: 10px; letter-spacing: 1px; margin-top: 46px; }
  .small-cross { font-family: var(--mono); font-size: 16px; color: #5f7750; }
  .hero-visual { width: 100%; position: relative; aspect-ratio: 1 / 1.03; background-image: radial-gradient(#a9b69b50 .7px, transparent .7px); background-size: 22px 22px; }
  .hero-visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse, transparent 25%, var(--paper) 75%); }
  .chip-art { position: absolute; width: 113%; max-width: none; left: -6%; top: 1%; height: 100%; overflow: visible; }
  .visual-coordinate { position: absolute; left: 20px; right: 0; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 8px; letter-spacing: 1px; color: #8b927f; z-index: 1; }
  .coordinate-top { top: 30px; }
  .coordinate-top::before { content: "+"; position: absolute; left: -20px; }
  .coordinate-bottom { bottom: 25px; align-items: center; }
  .coordinate-bottom > span:first-child { display: flex; align-items: center; gap: 8px; }
  .coordinate-bottom .status-dot { width: 4px; height: 4px; }
  .coordinate-bottom > span:last-child { font-size: 19px; color: #526745; }
  .art-top { animation: float-chip 6s ease-in-out infinite; }
  .art-middle { animation: float-chip 6s ease-in-out -1s infinite; }
  .hero-bottom { border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; height: 72px; color: #627057; font-size: 10px; letter-spacing: 1.4px; }
  .scroll-cue { display: flex; align-items: center; gap: 31px; font-family: var(--mono); font-size: 8px; letter-spacing: 1px; }
  .scroll-cue > span:last-child { font-size: 17px; }

  .services { background: #fff; border-top: 1px solid #e8ebe1; }
  .section-heading { display: flex; justify-content: space-between; align-items: end; gap: 35px; margin-bottom: 46px; }
  .section-heading h2 { margin-top: 18px; }
  .section-heading > p { color: var(--muted); font-size: 12px; line-height: 1.9; padding-bottom: 7px; white-space: pre-line; }
  .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
  .service-card { border: 1px solid #e2e6db; background: #fafbf7; padding: 26px 27px 0; border-radius: 7px; transition: border-color .25s, transform .25s, box-shadow .25s; display: flex; flex-direction: column; }
  .service-card:hover { transform: translateY(-5px); border-color: #b4c99b; box-shadow: 0 13px 30px #29372108; }
  .service-card-api { background: #f5f9ed; border-color: #d6e4bf; }
  .service-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  .service-icon { width: 37px; height: 37px; display: grid; place-items: center; border: 1px solid #e0e5d7; border-radius: 5px; background: #fff; }
  .service-icon .icon { width: 19px; height: 19px; }
  .service-card-api .service-icon { background: #d7f69f; border-color: #c9e596; }
  .card-index { font-size: 8px; color: #627057; font-family: var(--mono); letter-spacing: .9px; }
  .service-art { height: 182px; margin-top: 14px; position: relative; display: flex; justify-content: center; align-items: center; overflow: hidden; }
  .art-caption { position: absolute; bottom: 11px; font-family: var(--mono); font-size: 6px; letter-spacing: 1.5px; color: #627057; text-align: center; }
  .rack { width: 154px; display: flex; flex-direction: column; gap: 7px; transform: perspective(500px) rotateY(-21deg) rotateX(12deg); z-index: 1; margin-bottom: 13px; }
  .rack-unit { border: 1px solid #97a58b; height: 27px; border-radius: 3px; background: linear-gradient(110deg, #f5f7ef, #e5e9df); display: flex; gap: 5px; align-items: center; padding: 0 12px; box-shadow: 5px 5px 0 #d7dece; }
  .rack-unit i { height: 3px; width: 3px; background: #678052; border-radius: 50%; }
  .rack-unit span { width: 47px; height: 9px; margin-left: 8px; background: repeating-linear-gradient(90deg, #a3ac9a 0 1px, transparent 1px 4px); }
  .rack-unit b { margin-left: auto; width: 5px; height: 5px; background: #abd36d; border: 1px solid #8ead63; border-radius: 1px; }
  .rack-orbit { position: absolute; width: 211px; height: 116px; border: 1px dashed #dce4d1; border-radius: 50%; transform: rotate(-24deg); }
  .repair-target { width: 135px; height: 115px; position: relative; display: grid; place-items: center; margin-bottom: 15px; }
  .repair-target > span { position: absolute; width: 15px; height: 15px; border-color: #96ac7d; border-style: solid; border-width: 0; }
  .repair-target > span:nth-child(1) { left: 0; top: 0; border-top-width: 1px; border-left-width: 1px; }
  .repair-target > span:nth-child(2) { right: 0; top: 0; border-top-width: 1px; border-right-width: 1px; }
  .repair-target > span:nth-child(3) { left: 0; bottom: 0; border-bottom-width: 1px; border-left-width: 1px; }
  .repair-target > span:nth-child(4) { right: 0; bottom: 0; border-bottom-width: 1px; border-right-width: 1px; }
  .repair-chip { transform: rotate(-15deg); background: #e8eddf; border-radius: 6px; box-shadow: 4px 6px 0 #d3ddc5; }
  .repair-chip .icon { width: 69px; height: 69px; stroke-width: .7px; color: #516745; }
  .scan-line { position: absolute; top: 50%; left: -15px; right: -15px; height: 1px; background: linear-gradient(90deg, transparent, #80b741, transparent); box-shadow: 0 0 8px #aee463; }
  .repair-plus { position: absolute; right: 39px; top: 30px; color: #a0b988; font-family: var(--mono); font-size: 20px; }
  .api-art { gap: 30px; }
  .api-node { border: 1px solid #d5dfc5; height: 37px; width: 37px; display: grid; place-items: center; background: #fff9; font-family: var(--mono); font-size: 13px; border-radius: 5px; margin-top: -12px; z-index: 1; }
  .node-left { transform: translateY(13px); }
  .node-right { transform: translateY(-13px); }
  .api-core { padding: 11px; border: 1px solid #d7e6c0; border-radius: 15px; background: #e7f3d3; margin-top: -12px; box-shadow: 0 0 0 9px #eff6e6, 0 0 0 10px #e0ebd1; z-index: 1; }
  .api-core img { width: 49px; height: 49px; }
  .node-line { position: absolute; height: 1px; width: 60px; background: #b0c58d; }
  .line-left { left: 19%; top: 52%; transform: rotate(-15deg); }
  .line-right { right: 19%; top: 41%; transform: rotate(-15deg); }
  .service-card h3 { display: flex; align-items: center; gap: 11px; font-size: 23px; font-weight: 500; letter-spacing: -.5px; margin-top: 10px; }
  .inline-badge { font-size: 8px; font-weight: 400; padding: 3px 6px; border: 1px solid #c3d5a7; border-radius: 3px; color: #5b743d; letter-spacing: .4px; }
  .card-description { font-size: 13px; line-height: 1.95; color: var(--muted); margin-top: 13px; flex: 1; }
  .tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; padding-bottom: 29px; }
  .tag-row span { font-size: 10px; color: #627057; border: 1px solid #e1e6d8; border-radius: 3px; padding: 3px 7px; line-height: 1.5; }
  .card-link { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #e1e6d8; min-height: 63px; width: 100%; padding: 17px 0; background: transparent; font-size: 12px; text-align: left; }
  .card-link .icon { width: 18px; height: 18px; transition: transform .2s; }
  .card-link:hover .icon { transform: translate(3px, -3px); }

  .api-section { background: var(--dark); color: #f3f5ed; padding-block: 97px; position: relative; overflow: hidden; }
  .api-section::before { content: ""; pointer-events: none; position: absolute; inset: 0; background-image: linear-gradient(#ffffff03 1px, transparent 1px), linear-gradient(90deg, #ffffff03 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent 30%, #000); }
  .api-layout { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 96px; align-items: center; }
  .api-copy > .eyebrow { color: #8b9b82; font-size: 9px; letter-spacing: 1.5px; }
  .api-copy .section-index { color: #8b9b82; }
  .api-platform-label { display: inline-flex; align-items: center; gap: 7px; margin-top: 44px; border: 1px solid #50663b; border-radius: 3px; color: #cee9a9; padding: 5px 8px; font-family: var(--mono); font-size: 8px; letter-spacing: .6px; }
  .api-platform-label .status-dot { width: 4px; height: 4px; background: var(--lime); }
  .api-copy h2 { margin-top: 19px; font-size: clamp(30px, 3vw, 44px); line-height: 1.5; letter-spacing: -1.4px; }
  .lime-text { color: var(--lime); }
  .api-copy > p { color: #9fac99; font-size: 12px; line-height: 2; margin-top: 21px; max-width: 423px; }
  .api-features { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; color: #c1ccb7; }
  .api-features > span { display: inline-flex; align-items: center; gap: 5px; font-size: 9px; }
  .api-features .icon { height: 13px; width: 13px; color: var(--lime); }
  .api-copy > .button { margin-top: 31px; }
  .api-domain { display: inline-flex; align-items: center; gap: 7px; color: #8a9b7f; font-family: var(--mono); font-size: 9px; margin-left: 16px; }
  .connect-panel { border: 1px solid #3e4c36; border-radius: 9px; background: #192b20; box-shadow: 0 18px 45px #0002; transform: translateY(9px); overflow: hidden; }
  .panel-titlebar { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid #354431; padding: 16px 18px; background: #213024; font-family: var(--mono); font-size: 8px; color: #9aa78f; }
  .panel-titlebar > .icon { margin-left: auto; height: 15px; width: 15px; color: #87977b; }
  .window-dots { display: flex; gap: 5px; }
  .window-dots i { width: 6px; height: 6px; background: #6d795e; border-radius: 50%; }
  .window-dots i:nth-child(2) { background: #919b6a; }
  .window-dots i:nth-child(3) { background: #b8cf83; }
  .panel-content { padding: 26px 29px 0; }
  .code-comment { font-family: var(--mono); color: #839776; font-size: 11px; margin-bottom: 20px; }
  .code-heading { font-family: var(--mono); font-size: 12px; color: #dce7ce; }
  .code-purple { color: #c1b3d9; }
  .code-yellow { color: #dce7a2; }
  .code-muted { color: #879980; }
  .connection-steps { list-style: none; padding: 0 0 0 13px; margin: 21px 0 16px; }
  .connection-steps li { display: flex; gap: 17px; align-items: center; padding: 16px 0; border-top: 1px solid #344630; }
  .connection-steps li:last-child { border-bottom: 1px solid #344630; }
  .step-number { font-family: var(--mono); font-size: 10px; color: #93ae75; align-self: flex-start; padding-top: 1px; }
  .connection-steps li > div { display: flex; flex-direction: column; gap: 3px; }
  .connection-steps strong { font-size: 12px; font-weight: 400; letter-spacing: .2px; color: #dbe7cf; }
  .connection-steps li > div > span { font-size: 10px; color: #8c9f80; }
  .connection-steps .icon { width: 16px; height: 16px; color: #afc58b; margin-left: auto; }
  .panel-bottom { display: flex; align-items: center; gap: 8px; padding: 22px 0 20px; font-family: var(--mono); font-size: 10px; color: #c5df9b; }
  .terminal-prompt { font-size: 16px; color: #879980; }
  .cursor { width: 5px; height: 11px; background: var(--lime); opacity: .7; animation: blink 1.5s steps(2, start) infinite; }
  .panel-footer { padding: 11px 18px; border-top: 1px solid #354431; display: flex; align-items: center; justify-content: space-between; font-family: var(--mono); color: #91a082; font-size: 8px; }
  .panel-footer > span:first-child { display: flex; align-items: center; gap: 6px; }
  .panel-footer .status-dot { background: #b1d977; width: 4px; height: 4px; }

  .about-section { padding-block: 114px; }
  .about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; }
  .about-heading h2 { margin-top: 27px; font-size: clamp(30px, 2.8vw, 41px); line-height: 1.55; }
  .about-signature { display: flex; align-items: center; gap: 13px; margin-top: 41px; font-family: var(--mono); font-size: 8px; letter-spacing: 1.1px; color: #627057; }
  .about-signature img { width: 32px; height: 32px; }
  .about-content { padding-top: 43px; }
  .about-content .about-lead { font-size: 19px; line-height: 1.9; font-weight: 500; color: #344530; }
  .about-content > p + p { font-size: 12px; line-height: 2; color: var(--muted); margin-top: 17px; }
  .values { display: grid; grid-template-columns: 1fr 1fr; gap: 33px; margin-top: 29px; padding-top: 24px; border-top: 1px solid var(--line); }
  .value-index { font-family: var(--mono); color: #627057; font-size: 9px; }
  .values h3 { margin-top: 10px; font-size: 13px; font-weight: 500; }
  .values p { margin-top: 6px; font-size: 10px; line-height: 1.8; color: var(--muted); }
  .closing-section { background: var(--lime); overflow: hidden; }
  .subsidiary-section { border-top: 1px solid var(--line); background: #f0f3f5; }
  .subsidiary-inner { display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 45px; padding-block: 45px; }
  .subsidiary-brand .eyebrow { font-size: 8px; color: #51677a; letter-spacing: 1px; }
  .subsidiary-brand img { width: 200px; height: auto; margin-top: 12px; }
  .subsidiary-copy h2 { font-size: 24px; color: #152230; letter-spacing: .5px; }
  .subsidiary-copy p { margin-top: 10px; max-width: 470px; font-size: 12px; color: #657078; line-height: 1.9; }
  .subsidiary-link { border: 1px solid #bdc8d2; color: #174976; white-space: nowrap; }
  .subsidiary-link:hover { background: #e5ecf4; }
  .closing-inner { padding-block: 52px; display: flex; justify-content: space-between; align-items: center; gap: 35px; position: relative; }
  .closing-inner > div, .closing-inner > a { z-index: 1; }
  .closing-inner .eyebrow { font-family: var(--mono); font-size: 8px; color: #586f38; letter-spacing: 1.4px; }
  .closing-inner h2 { margin-top: 10px; font-size: 31px; letter-spacing: -.7px; }
  .closing-inner .button { min-width: 193px; }
  .closing-decoration { font-family: Arial, sans-serif; font-size: 300px; line-height: 1; position: absolute; right: 195px; top: -25px; color: #84ae3d20; font-weight: 400; }
  .site-footer { padding-top: 49px; background: #f7f8f3; }
  .footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; padding-bottom: 34px; }
  .site-footer .brand-wordmark strong { font-size: 18px; letter-spacing: 2px; }
  .site-footer .brand-wordmark > span { font-size: 7px; letter-spacing: 1.8px; }
  .footer-tagline { color: #627057; font-size: 10px; margin-top: 15px; letter-spacing: .5px; }
  .footer-links { display: flex; gap: 32px; padding-top: 12px; }
  .footer-links a { display: inline-flex; align-items: center; gap: 4px; font-size: 10px; color: #65725c; min-height: 30px; }
  .footer-links a:hover { color: #263f1e; }
  .footer-links .icon { width: 12px; height: 12px; }
  .footer-bottom { border-top: 1px solid var(--line); padding-block: 22px; display: flex; justify-content: space-between; gap: 30px; color: #627057; font-size: 10px; }
  .footer-note { font-family: var(--mono); letter-spacing: 1px; font-size: 7px; }
  .footer-legal { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; }
  .footer-icp { text-decoration: underline; text-underline-offset: 3px; }
  .footer-icp:hover { color: #263f1e; }
  .back-top { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
  .back-top > span:last-child { font-size: 13px; }

  #service-dialog { width: min(590px, calc(100% - 36px)); max-height: calc(100dvh - 48px); padding: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); box-shadow: 0 30px 100px #11221940; }
  #service-dialog::backdrop { background: #1020178c; backdrop-filter: blur(5px); }
  .dialog-content { padding: 42px; }
  .dialog-close { position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; display: grid; place-items: center; background: transparent; border-radius: 50%; }
  .dialog-close:hover { background: #e7ecdf; }
  #dialog-title { margin-top: 20px; font-size: 30px; }
  #dialog-description { margin-top: 12px; font-size: 13px; color: var(--muted); line-height: 1.9; }
  #dialog-steps { list-style: none; padding: 0; margin: 26px 0 0; counter-reset: steps; }
  #dialog-steps li { counter-increment: steps; display: grid; grid-template-columns: 28px 1fr; gap: 13px; border-top: 1px solid var(--line); padding-block: 17px; }
  #dialog-steps li::before { content: "0" counter(steps); color: #657b48; font-family: var(--mono); font-size: 11px; padding-top: 2px; }
  #dialog-steps strong { display: block; font-size: 14px; font-weight: 500; }
  #dialog-steps p { font-size: 12px; color: var(--muted); margin-top: 5px; }
  .dialog-note { padding: 13px 15px; border-left: 2px solid #b5d785; background: #ebf0e3; font-size: 11px; line-height: 1.9; color: #5b6c4b; margin: 10px 0 24px; }
  .dialog-done { min-height: 44px; font-size: 12px; }
  .noscript-note { padding: 20px; text-align: center; font-size: 12px; background: var(--lime); }
  html[lang="en"] .brand-wordmark strong { font-size: 17px; letter-spacing: -.6px; }
  html[lang="en"] .brand-wordmark > span { letter-spacing: 1.6px; }
  html[lang="en"] h1 { font-size: clamp(43px, 4.3vw, 63px); line-height: 1.15; letter-spacing: -2.8px; }
  html[lang="en"] .hero-description { font-size: 14px; line-height: 1.9; }
  html[lang="en"] .hero-actions { gap: 21px; }
  html[lang="en"] .desktop-nav { margin-left: 20px; }
  html[lang="en"] .api-copy h2 { line-height: 1.23; }
  html[lang="en"] .api-layout { gap: 75px; }
  html[lang="en"] .api-features { gap: 12px; }
  html[lang="en"] .about-heading h2 { line-height: 1.3; }
  html[lang="en"] .service-card h3 { font-size: 22px; }
}

@layer responsive {
  @media (min-width: 1600px) { .hero-grid { min-height: 708px; } }
  @media (max-width: 1150px) {
    .subsidiary-inner { grid-template-columns: 180px 1fr; gap: 25px; }
    .subsidiary-link { grid-column: 2; justify-self: start; }
    .container { width: calc(100% - 72px); }
    .desktop-nav { margin-left: 0; gap: 24px; }
    .header-actions { gap: 18px; }
    .hero-grid { min-height: 610px; grid-template-columns: 1.1fr 1fr; }
    h1 { font-size: 52px; }
    .hero-actions { gap: 20px; }
    .hero-description { max-width: 390px; font-size: 13px; }
    .hero-visual { aspect-ratio: 1 / 1.18; }
    .visual-coordinate { font-size: 6px; }
    .service-card { padding: 21px 21px 0; }
    .service-grid { gap: 17px; }
    .card-index { font-size: 7px; letter-spacing: 0; }
    .api-layout, .about-layout { gap: 55px; }
    .panel-content { padding: 24px 22px 0; }
    .api-domain { display: block; margin: 12px 0 0; }
    .api-features { gap: 11px; }
    .section-heading > p { max-width: 230px; }
    html[lang="en"] .hero-actions { gap: 17px; }
    html[lang="en"] .hero-actions .button { gap: 14px; padding-inline: 17px; }
    html[lang="en"] .api-layout { gap: 45px; }
  }
  @media (max-width: 900px) {
    .container { width: calc(100% - 48px); }
    .site-header { height: 77px; }
    .desktop-nav { gap: 20px; }
    .header-console { display: none; }
    .hero-grid { min-height: 555px; }
    h1 { font-size: 42px; letter-spacing: -1.6px; }
    .hero-eyebrow { font-size: 8px; letter-spacing: 1.1px; }
    .hero-description { font-size: 12px; }
    .hero-actions { gap: 16px; }
    .hero-actions .button { padding-inline: 16px; font-size: 11px; gap: 16px; }
    .hero-actions .text-link { font-size: 11px; gap: 8px; }
    .hero-footnote { font-size: 9px; margin-top: 32px; }
    .hero-visual { aspect-ratio: 1 / 1.3; }
    .coordinate-top { top: 30px; }
    .coordinate-top > span:last-child { display: none; }
    .section { padding-block: 76px; }
    .section-heading { align-items: start; }
    .section-heading > p { max-width: 190px; padding-top: 34px; font-size: 11px; }
    .section-heading h2 { font-size: 27px; }
    .service-grid { gap: 12px; }
    .service-card { padding-inline: 17px; }
    .card-index { max-width: 78px; text-align: right; }
    .service-art { height: 160px; }
    .art-caption { font-size: 5px; letter-spacing: .6px; }
    .rack { width: 125px; }
    .repair-target { width: 110px; height: 100px; }
    .api-art { gap: 15px; }
    .api-node { height: 28px; width: 28px; font-size: 10px; }
    .api-core { padding: 7px; }
    .api-core img { width: 38px; height: 38px; }
    .service-card h3, html[lang="en"] .service-card h3 { font-size: 20px; flex-wrap: wrap; gap: 6px; }
    .inline-badge { font-size: 7px; }
    .card-description { font-size: 11px; }
    .tag-row { gap: 4px; }
    .tag-row span { font-size: 8px; padding-inline: 4px; }
    .api-layout, html[lang="en"] .api-layout { gap: 35px; }
    .api-copy h2 { font-size: 32px; }
    .panel-titlebar { gap: 9px; padding: 13px; font-size: 6px; }
    .panel-content { padding-inline: 18px; }
    .code-heading { font-size: 10px; }
    .connection-steps { padding-left: 0; }
    .connection-steps li { gap: 11px; }
    .connection-steps strong { font-size: 11px; }
    .connection-steps li > div > span { font-size: 9px; }
    .panel-bottom { font-size: 8px; gap: 5px; }
    .panel-footer { padding-inline: 12px; font-size: 6px; }
    .api-copy > .eyebrow { font-size: 8px; }
    .api-copy > p { font-size: 11px; }
    .about-layout { gap: 38px; }
    .about-content .about-lead { font-size: 16px; }
    .about-content { padding-top: 37px; }
    .about-content > p + p { font-size: 11px; }
    .values { gap: 16px; }
    .values h3 { font-size: 12px; }
    .closing-inner h2 { font-size: 26px; }
    .footer-links { gap: 24px; }
  }
  @media (max-width: 700px) {
    .subsidiary-inner { grid-template-columns: 1fr; gap: 22px; padding-block: 36px; }
    .subsidiary-link { grid-column: auto; }
    .subsidiary-brand img { width: 185px; }
    .subsidiary-copy h2 { font-size: 23px; }
    html { scroll-padding-top: 88px; }
    .site-header { height: 73px; }
    .container { width: calc(100% - 40px); }
    .brand img { width: 37px; height: 37px; }
    .brand-wordmark strong { font-size: 19px; }
    .brand-wordmark > span { font-size: 7px; letter-spacing: 1.9px; }
    .desktop-nav { display: none; }
    .menu-toggle { display: flex; }
    .header-actions { gap: 17px; }
    .hero-grid { grid-template-columns: 1fr; padding-top: 54px; padding-bottom: 0; gap: 0; min-height: auto; }
    .hero-eyebrow { margin-bottom: 25px; font-size: 8px; letter-spacing: 1.6px; }
    .hero-copy { padding-bottom: 0; }
    h1 { font-size: clamp(40px, 8.8vw, 58px); letter-spacing: -1.5px; line-height: 1.3; margin-left: -2px; }
    .hero-description { font-size: 13px; line-height: 1.95; max-width: 440px; margin-top: 23px; }
    .hero-actions { margin-top: 28px; gap: 23px; }
    .hero-actions .button { min-height: 49px; padding-inline: 20px; font-size: 12px; gap: 20px; }
    .hero-actions .text-link { font-size: 12px; }
    .hero-footnote { margin-top: 27px; font-size: 9px; }
    .hero-visual { width: min(100%, 470px); margin: 8px auto 0; aspect-ratio: 1 / .91; }
    .chip-art { width: 104%; left: -2%; top: -2%; }
    .coordinate-top { top: 26px; font-size: 6px; }
    .coordinate-bottom { bottom: 16px; font-size: 6px; }
    .hero-bottom { height: 60px; font-size: 8px; letter-spacing: .5px; }
    .scroll-cue { font-size: 6px; gap: 13px; }
    .section { padding-block: 65px; }
    .section-heading { flex-direction: column; gap: 14px; margin-bottom: 29px; }
    .section-heading > p { font-size: 12px; padding: 0; max-width: none; }
    .section-heading > p br { display: none; }
    .section-heading h2 { font-size: 26px; margin-top: 15px; letter-spacing: -.7px; }
    .eyebrow { font-size: 10px; }
    .service-grid { grid-template-columns: 1fr; gap: 19px; }
    .service-card { padding: 23px 25px 0; }
    .service-card-top { gap: 15px; }
    .card-index { font-size: 9px; max-width: none; }
    .service-icon { width: 37px; height: 37px; }
    .service-art { height: 168px; margin-top: 4px; }
    .art-caption { font-size: 6px; letter-spacing: 1.6px; }
    .rack { width: 150px; }
    .repair-target { width: 135px; height: 105px; }
    .api-art { gap: 39px; }
    .api-node { height: 35px; width: 35px; font-size: 13px; }
    .api-core { padding: 9px; }
    .api-core img { width: 47px; height: 47px; }
    .node-line { width: 60px; }
    .line-left { left: calc(50% - 99px); }
    .line-right { right: calc(50% - 99px); }
    .service-card h3, html[lang="en"] .service-card h3 { font-size: 24px; gap: 11px; }
    .inline-badge { font-size: 9px; }
    .card-description { font-size: 13px; line-height: 1.9; margin-top: 12px; }
    .tag-row { gap: 7px; padding-bottom: 24px; margin-top: 21px; }
    .tag-row span { font-size: 10px; padding: 3px 8px; }
    .card-link { font-size: 12px; min-height: 60px; }
    .api-layout, html[lang="en"] .api-layout { grid-template-columns: 1fr; gap: 39px; }
    .api-copy > .eyebrow { font-size: 9px; }
    .api-platform-label { margin-top: 30px; }
    .api-copy h2 { font-size: 34px; }
    .api-copy > p { font-size: 13px; max-width: none; }
    .api-features { gap: 15px; margin-top: 23px; }
    .api-features > span { font-size: 10px; }
    .api-domain { display: inline-flex; margin-left: 12px; font-size: 8px; }
    .api-copy .button { font-size: 12px; gap: 20px; padding-inline: 19px; }
    .connect-panel { transform: none; }
    .panel-titlebar { padding: 15px 16px; gap: 16px; font-size: 8px; }
    .panel-content { padding: 25px 23px 0; }
    .code-comment { font-size: 10px; }
    .code-heading { font-size: 11px; }
    .connection-steps { padding-left: 9px; }
    .connection-steps li { padding-block: 17px; gap: 16px; }
    .connection-steps strong { font-size: 13px; }
    .connection-steps li > div > span { font-size: 10px; }
    .panel-bottom { font-size: 9px; gap: 7px; }
    .panel-footer { font-size: 7px; padding: 12px 16px; }
    .about-layout { grid-template-columns: 1fr; gap: 32px; }
    .about-heading h2 { font-size: 34px; margin-top: 20px; }
    .about-signature { margin-top: 26px; }
    .about-content { padding: 0; }
    .about-content .about-lead { font-size: 19px; }
    .about-content > p + p { font-size: 13px; }
    .values { gap: 23px; margin-top: 26px; }
    .values h3 { font-size: 13px; }
    .values p { font-size: 11px; }
    .closing-inner { padding-block: 43px; flex-direction: column; align-items: flex-start; gap: 25px; }
    .closing-inner h2 { font-size: 26px; }
    .closing-inner .button { min-width: auto; min-height: 47px; }
    .closing-decoration { font-size: 230px; right: -22px; top: 20px; }
    .footer-top { flex-direction: column; gap: 22px; padding-bottom: 27px; }
    .site-footer { padding-top: 35px; }
    .footer-links { gap: 25px; flex-wrap: wrap; padding-top: 0; }
    .footer-links a { font-size: 11px; }
    .footer-tagline { font-size: 11px; }
    .footer-note { display: none; }
    .footer-bottom { font-size: 9px; gap: 15px; }
    .back-top { gap: 9px; }
    .dialog-content { padding: 38px 25px 27px; }
    #dialog-title { font-size: 27px; }
    html[lang="en"] h1 { font-size: clamp(44px, 10vw, 62px); letter-spacing: -2px; }
    html[lang="en"] .hero-description { font-size: 13px; }
    html[lang="en"] .hero-actions { gap: 21px; }
    html[lang="en"] .section-heading h2 { font-size: 29px; }
    html[lang="en"] .brand-wordmark strong { font-size: 16px; }
    html[lang="en"] .brand-wordmark > span { font-size: 6px; letter-spacing: 1.8px; }
    html[lang="en"] .api-copy h2 { font-size: 36px; }
    html[lang="en"] .api-domain { display: block; margin: 14px 0 0; }
    html[lang="en"] .closing-inner h2 { font-size: 29px; }
  }
  @media (max-width: 370px) {
    .container { width: calc(100% - 32px); }
    .header-actions { gap: 8px; }
    .brand { gap: 7px; }
    .hero-actions, html[lang="en"] .hero-actions { gap: 16px; }
    .hero-actions .button { padding-inline: 14px; gap: 12px; font-size: 11px; }
    .hero-actions .text-link { font-size: 11px; }
    .hero-description { font-size: 12px; }
    .api-domain { display: block; margin: 14px 0 0; }
    .api-features { gap: 10px; }
    .api-features > span { font-size: 9px; }
    .panel-titlebar { gap: 9px; font-size: 7px; }
    .panel-content { padding-inline: 18px; }
    .code-heading { font-size: 10px; }
    .footer-links { gap: 19px; }
    .footer-bottom { font-size: 8px; }
    html[lang="en"] h1 { font-size: 41px; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
  }
}

@keyframes float-chip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes blink { to { opacity: 0; } }

@layer components {
  .chip-trigger { position: absolute; z-index: 3; left: 28%; top: 23%; width: 44%; height: 31%; border-radius: 35%; background: transparent; cursor: pointer; touch-action: manipulation; }
  .chip-trigger:focus-visible { outline-offset: 2px; outline-style: dashed; }
  .chip-hint { position: absolute; z-index: 4; bottom: 13%; left: 8%; right: 8%; text-align: center; pointer-events: none; font-size: 11px; color: #456134; opacity: 0; transform: translateY(5px); transition: opacity .2s, transform .2s; }
  .hero-visual:has(.chip-trigger:hover) .chip-hint, .hero-visual:has(.chip-trigger:focus-visible) .chip-hint, .chip-engaged .chip-hint { opacity: 1; transform: none; }
  .hero-visual:has(.chip-trigger:hover) .art-top, .chip-engaged .art-top { filter: drop-shadow(0 0 12px #b5ee7470); }
  .footer-playroom { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin: -4px 0 19px; }
  .merge-trigger { position: relative; display: flex; align-items: center; justify-content: center; gap: 7px; background: transparent; width: 83px; height: 44px; padding: 7px 3px; border-radius: 5px; }
  .merge-two, .merge-four { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid #cad6bb; border-radius: 5px; background: #e9efdf; color: #50623f; font-family: var(--mono); font-size: 12px; box-shadow: 0 2px 0 #c7d3b9; transition: transform .25s, opacity .25s; }
  .merge-two.first { transform: rotate(-7deg); }
  .merge-two.second { transform: rotate(7deg); }
  .merge-plus { color: #68785b; font-size: 10px; }
  .merge-four { position: absolute; left: 28px; top: 8px; opacity: 0; transform: scale(.7); background: var(--lime); border-color: #aacc79; }
  .merge-trigger:hover .first { transform: rotate(-11deg) translateY(-2px); }
  .merge-trigger:hover .second { transform: rotate(11deg) translateY(-2px); }
  .merge-trigger.merging .first { transform: translateX(20px); opacity: 0; }
  .merge-trigger.merging .second { transform: translateX(-20px); opacity: 0; }
  .merging .merge-plus { opacity: 0; }
  .merging .merge-four { opacity: 1; transform: scale(1.12); transition-delay: .18s; }
  .playroom-shortcut { background: transparent; padding: 8px 0; min-height: 44px; font-size: 11px; color: #546746; }
  #playroom-dialog { width: 100%; max-width: none; height: 100dvh; max-height: none; margin: 0; border: 0; padding: 0; background: var(--paper); color: var(--ink); overflow: hidden; }
  #playroom-dialog::backdrop { background: #112219aa; }
  .playroom-shell { display: flex; flex-direction: column; height: 100%; }
  .playroom-toolbar { display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; gap: 20px; padding: 14px max(24px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid var(--line); background: #edf2e4; }
  .playroom-heading { display: flex; align-items: center; gap: 11px; }
  .playroom-heading > div > span { font-family: var(--mono); font-size: 8px; letter-spacing: 1.6px; color: #586c42; }
  .playroom-heading h2 { font-size: 13px; font-weight: 500; letter-spacing: .1px; margin-top: 2px; }
  .playroom-close { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 44px; padding: 9px 13px; border: 1px solid #c7d2ba; border-radius: 5px; background: #f7f9f1; font-size: 12px; white-space: nowrap; }
  .playroom-close:hover { background: #e0eccb; }
  .playroom-close .icon { width: 17px; height: 17px; }
  .playroom-content { position: relative; flex: 1; min-height: 0; }
  .playroom-mount, .playroom-mount iframe { width: 100%; height: 100%; border: 0; display: block; }
  .playroom-status { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 25px; text-align: center; font-size: 13px; color: #667458; }
  .loading-tiles { font-family: var(--mono); font-size: 35px; font-weight: 600; color: #67844b; animation: blink 1.5s ease-in-out infinite alternate; }
  .load-failed .loading-tiles { animation: none; }
}
@layer responsive {
  @media (max-width: 700px) {
    .chip-trigger { top: 20%; }
    .chip-hint { bottom: 11%; font-size: 10px; }
    .playroom-toolbar { padding: 10px 14px; gap: 10px; }
    .playroom-heading { gap: 8px; }
    .playroom-heading img { width: 25px; height: 25px; }
    .playroom-heading > div > span { font-size: 6px; letter-spacing: .8px; }
    .playroom-heading h2 { font-size: 10px; }
    .playroom-close { font-size: 10px; padding-inline: 9px; gap: 7px; }
    .footer-playroom { margin-bottom: 15px; }
  }
}

@layer components {
  .footer-explorer { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #c1d4a7; background: #edf4e2; border-radius: 4px; padding: 4px 9px; font-size: 10px; color: #4c6738; }
  .footer-explorer > span:first-child { color: #688d43; font-size: 14px; }
}