:root {
  --ink: #07172b;
  --muted: #667386;
  --line: #dce3ea;
  --blue: #075bea;
  --cyan: #02b9c9;
  --pale: #f3f7fb;
  --shell: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.section-shell { width: var(--shell); margin-inline: auto; }

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  height: 78px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(7, 23, 43, .08);
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px);
}
.brand-crop {
  position: relative;
  display: block;
  width: 130px;
  height: 45px;
  overflow: hidden;
}
.brand-crop img {
  position: absolute;
  width: 205px;
  max-width: none;
  left: -51px;
  top: -48px;
}
.desktop-nav { display: flex; gap: 36px; font-size: 14px; font-weight: 600; }
.desktop-nav a { transition: color .2s; }
.desktop-nav a:hover { color: var(--blue); }
.header-contact { font-size: 14px; font-weight: 700; color: var(--blue); }
.header-contact span { margin-left: 6px; }
.menu-button { display: none; border: 0; background: none; padding: 8px; }

.hero {
  position: relative;
  min-height: 760px;
  height: 100vh;
  max-height: 940px;
  padding-top: 78px;
  display: grid;
  grid-template-columns: 54% 46%;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 78px calc((1180px - 100vw) / 2) 0 auto;
  width: 49vw;
  background: linear-gradient(140deg, #f4f9ff, #edf5fb 60%, #f7fbfd);
  z-index: -2;
}
.eyebrow, .section-index {
  margin: 0 0 24px;
  font-size: 11px;
  letter-spacing: .22em;
  font-weight: 800;
  color: var(--blue);
}
.eyebrow span { display: inline-block; width: 24px; height: 2px; margin: 0 10px 3px 0; background: var(--blue); }
.hero h1 {
  margin: 0;
  font-size: clamp(52px, 5.5vw, 82px);
  line-height: 1.08;
  letter-spacing: -.055em;
}
.hero h1 em { color: var(--blue); font-style: normal; }
.hero-intro { width: 510px; max-width: 90%; margin: 30px 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.primary-button {
  padding: 17px 23px;
  color: white;
  background: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: transform .25s, background .25s;
}
.primary-button:hover { transform: translateY(-2px); background: var(--blue); }
.primary-button span { margin-left: 28px; }
.text-link { color: var(--blue); font-size: 14px; font-weight: 700; }
.text-link span { margin-left: 7px; }

.hero-visual { position: relative; height: 570px; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 330px; height: 330px; top: 90px; left: 80px; background: radial-gradient(circle at 35% 30%, #80f0ef, #0d93ec 38%, #124bd1 65%, #173887); box-shadow: 0 45px 80px rgba(16, 83, 203, .3); }
.orb-two { width: 150px; height: 150px; top: 36px; right: 16px; background: radial-gradient(circle at 30% 30%, #fff, #c9ebfc 35%, #56b9e4); opacity: .72; }
.grid-plane { position: absolute; inset: 25px -20px 20px 20px; background-image: linear-gradient(rgba(28,88,160,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(28,88,160,.08) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent); z-index: -1; }
.signal-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 13px; padding: 15px 19px; border: 1px solid rgba(255,255,255,.8); background: rgba(255,255,255,.8); box-shadow: 0 20px 45px rgba(13, 43, 83, .16); backdrop-filter: blur(14px); }
.signal-card strong, .signal-card small { display: block; }
.signal-card strong { font-size: 13px; }
.signal-card small { margin-top: 3px; color: #79889a; font-size: 9px; letter-spacing: .08em; }
.card-ai { top: 98px; left: 10px; }
.card-tech { top: 245px; right: -6px; }
.signal-icon { display: grid; place-items: center; width: 37px; height: 37px; color: white; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--cyan)); font-size: 12px; font-weight: 800; }
.pulse { width: 35px; height: 35px; border: 9px solid #d9f2fd; border-radius: 50%; background: #0c9fdb; }
.code-panel { position: absolute; z-index: 4; left: 105px; bottom: 25px; width: 350px; overflow: hidden; border: 1px solid rgba(255,255,255,.25); border-radius: 5px; color: #cce1ff; background: rgba(5,20,47,.92); box-shadow: 0 30px 70px rgba(5, 30, 75, .3); }
.code-top { padding: 11px 13px; border-bottom: 1px solid rgba(255,255,255,.09); font-size: 8px; color: #8398b6; }
.code-top i { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: #39506c; }
.code-top span { margin-left: 12px; }
.code-panel pre { margin: 0; padding: 20px; font: 11px/1.8 SFMono-Regular, Consolas, monospace; }
.code-panel b { color: #47b9ff; }.code-panel span { color: #62e6c8; }
.hero-foot { position: absolute; left: 0; bottom: 30px; width: 100%; display: flex; align-items: flex-end; font-size: 9px; letter-spacing: .18em; color: #8793a1; }
.hero-foot i { width: 62px; height: 1px; margin: 0 18px 3px; background: #b5bec8; }
.hero-foot p { margin: 0 0 0 auto; text-align: right; line-height: 1.7; }

.statement { padding: 125px 0; color: white; background: var(--ink); }
.statement-inner h2 { max-width: 830px; margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.25; letter-spacing: -.045em; }
.statement-inner h2 span { color: #27c7dc; }
.statement-inner > p:last-child { margin: 30px 0 0; color: #8799ae; }

.services, .approach { padding: 120px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 55px; }
.section-heading h2 { margin: 0; font-size: 48px; letter-spacing: -.04em; }
.section-heading > p { width: 390px; margin: 0; color: var(--muted); line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 390px; padding: 43px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: transform .3s, box-shadow .3s; background: white; }
.service-card:hover { z-index: 2; transform: translateY(-5px); box-shadow: 0 25px 60px rgba(14, 48, 89, .12); }
.service-card.featured { color: white; background: linear-gradient(145deg, #071a35, #0b2a55); }
.card-number { position: absolute; right: 28px; top: 26px; color: #aeb9c5; font-size: 11px; }
.service-icon { width: 58px; height: 58px; margin-bottom: 32px; display: grid; place-items: center; color: var(--blue); border: 1px solid #cfe0f5; font-family: monospace; font-size: 20px; font-weight: 800; }
.featured .service-icon { color: #5ee7ef; border-color: #2d5e89; }
.service-icon svg { width: 37px; height: 37px; overflow: visible; }
.service-icon svg path,
.service-icon svg circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-icon svg circle { fill: currentColor; stroke-width: 0; }
.service-card h3 { margin: 0 0 17px; font-size: 25px; }
.service-card p { max-width: 460px; min-height: 74px; margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.featured p { color: #9eb0c4; }
.service-card ul { display: flex; gap: 17px; margin: 30px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); list-style: none; color: #69798b; font-size: 11px; }
.featured ul { border-color: #24425f; color: #8fa8c1; }
.service-card li::before { content: "·"; color: var(--blue); margin-right: 6px; }

.products { padding: 120px 0; color: white; background: #06162b; overflow: hidden; }
.section-heading.light > p { color: #8799ae; }
.product-card { display: grid; grid-template-columns: 43% 57%; min-height: 520px; border: 1px solid #193653; background: linear-gradient(135deg, #091d38, #07182e); }
.product-copy { padding: 65px; }
.product-status { color: #5bc9db; font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.product-status i { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: #22cfb8; box-shadow: 0 0 12px #22cfb8; }
.product-copy h3 { margin: 45px 0 5px; font-size: 55px; letter-spacing: -.06em; }
.product-copy h3 em { color: #1a9ff0; font-style: normal; }
.product-slogan { margin: 0 0 26px; color: #e3edf8; font-size: 20px; }
.product-desc { color: #91a4ba; line-height: 1.9; font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0; }
.tags span { padding: 7px 11px; border: 1px solid #284768; color: #91abc4; font-size: 10px; }
.service-entry { display: flex; align-items: center; gap: 17px; padding-top: 22px; border-top: 1px solid #213a56; }
.service-entry img { width: 92px; height: 92px; padding: 5px; object-fit: cover; background: white; }
.service-entry span, .service-entry strong, .service-entry small, .service-entry a { display: block; }
.service-entry span { color: #6f87a0; font-size: 10px; }
.service-entry strong { margin: 5px 0; color: #e4f2ff; font-size: 15px; }
.service-entry small { color: #6d849b; font-size: 9px; }
.service-entry a { margin-top: 9px; color: #4ebfe5; font-size: 12px; font-weight: 700; }
.service-entry a b { margin-left: 5px; }
.product-screen { position: relative; display: flex; align-items: center; justify-content: center; padding: 38px; overflow: hidden; background: radial-gradient(circle at 55% 50%, rgba(20,113,210,.28), transparent 52%); }
.h5-demo { position: relative; width: 365px; height: 570px; padding: 13px; display: block; overflow: hidden; border: 1px solid #37597c; border-radius: 24px; color: #122033; background: #f6f8fb; box-shadow: 0 35px 80px rgba(0,0,0,.45); transform: perspective(1100px) rotateY(-5deg) rotateX(1deg); transition: transform .35s, box-shadow .35s; }
.h5-demo:hover { transform: perspective(1100px) rotateY(0) translateY(-4px); box-shadow: 0 42px 90px rgba(0,0,0,.5); }
.h5-topbar { height: 33px; display: flex; justify-content: space-between; align-items: center; }
.h5-logo-crop { position: relative; width: 82px; height: 27px; overflow: hidden; }
.h5-logo-crop img { position: absolute; width: 130px; max-width: none; left: -32px; top: -30px; }
.bean-pill { padding: 6px 9px; border-radius: 99px; color: #0b6bdc; background: white; box-shadow: 0 4px 15px rgba(24,49,83,.08); font-size: 8px; font-weight: 800; }
.bean-pill i { color: #eeb400; font-style: normal; }
.h5-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; padding: 3px; border: 1px solid #e1e7ef; border-radius: 5px; background: white; font-size: 8px; text-align: center; }
.h5-tabs span, .h5-tabs b { padding: 7px 3px; border-radius: 4px; }
.h5-tabs b { color: white; background: #0d1b2f; }
.h5-hero { margin-top: 8px; padding: 9px; display: flex; justify-content: space-between; align-items: center; border: 1px solid #e1e7ef; border-radius: 6px; background: white; }
.h5-hero div small, .h5-hero div strong, .h5-hero div span { display: block; }
.h5-hero div small { color: #008ca8; font-size: 7px; font-weight: 800; }
.h5-hero div strong { margin-top: 2px; font-size: 14px; }
.h5-hero div span { margin-top: 1px; font-size: 10px; font-weight: 700; }
.h5-hero p { width: 70px; margin: 0; padding: 8px; border-radius: 5px; color: #a8b5c4; background: #0d1b2f; font-size: 7px; text-align: center; }
.h5-hero p b { display: block; margin-top: 2px; color: white; font-size: 13px; }
.h5-workbench { margin-top: 8px; padding: 9px; display: grid; gap: 7px; border: 1px solid #e1e7ef; border-radius: 6px; background: white; }
.h5-section, .h5-workbench > .h5-section-head { padding: 8px; border: 1px solid #e1e7ef; border-radius: 5px; background: #fbfcff; }
.h5-section-head { display: flex; align-items: center; gap: 6px; }
.h5-section-head > span { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 4px; color: white; background: linear-gradient(135deg,#0758ff,#00a8bd); font-size: 7px; font-weight: 900; }
.h5-section-head > b { font-size: 9px; }
.h5-section-head > em { margin-left: auto; padding: 3px 5px; border-radius: 99px; color: #0b6bdc; background: #edf6ff; font-size: 6px; font-style: normal; font-weight: 800; }
.h5-modes { display: grid; grid-template-columns: repeat(3,1fr); gap: 5px; }
.h5-modes div { min-height: 64px; padding: 7px 2px; display: grid; justify-items: center; gap: 5px; border: 1px solid #dce6ef; border-radius: 5px; background: white; }
.h5-modes i { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 5px; font-style: normal; font-size: 13px; }
.h5-modes b { font-size: 7px; }
.h5-modes .cleanup { color: #087a6d; background: #f2fcfa; }.h5-modes .cleanup i { background: #e3f8f4; }
.h5-modes .precision { color: #0b5fc8; background: #f1f7ff; }.h5-modes .precision i { color: white; background: linear-gradient(135deg,#0758ff,#00a8bd); }
.h5-modes .auto { color: #9a4d00; background: #fff8ec; }.h5-modes .auto i { background: #fff0d2; }
.h5-modes .active { border-color: #0b6bdc; box-shadow: inset 0 0 0 1px #0b6bdc; }
.h5-section.compact { padding-block: 7px; }
.h5-section .h5-section-head { margin-bottom: 7px; }
.h5-upload { height: 68px; display: grid; place-items: center; align-content: center; gap: 2px; border: 1px dashed #9cc2e8; border-radius: 5px; color: #0b6bdc; background: #f8fbff; }
.h5-upload svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.h5-upload b { font-size: 8px; }.h5-upload small { color: #7b8da1; font-size: 6px; }
.h5-submit { padding: 10px; border-radius: 5px; color: white; background: linear-gradient(135deg,#0758ff,#00a8bd); font-size: 9px; font-weight: 800; text-align: center; }
.h5-submit span { margin-left: 10px; }
.h5-open { position: absolute; right: 18px; bottom: 12px; padding: 7px 10px; border-radius: 99px; color: white; background: rgba(6,22,43,.9); font-size: 8px; font-weight: 800; box-shadow: 0 8px 20px rgba(0,0,0,.2); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.steps article { position: relative; padding: 45px 30px 20px 0; }
.steps article::before { content: ""; position: absolute; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.steps b { display: block; color: #c4ced8; font-size: 35px; }
.steps span { display: block; margin: 18px 0 35px; color: var(--blue); font-size: 9px; letter-spacing: .18em; font-weight: 800; }
.steps h3 { margin: 0 0 15px; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.about { padding: 120px 0; background: var(--pale); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.about-title h2 { margin: 0; font-size: 45px; line-height: 1.4; letter-spacing: -.04em; }
.about-copy .lead { margin-top: 38px; color: var(--ink); font-size: 20px; font-weight: 700; line-height: 1.7; }
.about-copy > p { color: var(--muted); line-height: 1.9; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 42px; padding-top: 27px; border-top: 1px solid #d2dce5; }
.principles span { font-size: 13px; font-weight: 700; }.principles b { display: block; margin-bottom: 10px; color: var(--blue); font-size: 10px; }

.contact { padding: 120px 0; }
.contact-card { position: relative; overflow: hidden; padding: 75px; color: white; background: linear-gradient(120deg, #0759e8, #0877e8 55%, #08a7c7); }
.contact-card h2 { position: relative; z-index: 2; margin: 0; font-size: clamp(38px, 5vw, 65px); line-height: 1.25; letter-spacing: -.045em; }
.contact-card h2 span { color: #bceefa; }
.contact-card > p:not(.section-index) { color: #d3e8fb; }
.contact-links { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 360px); gap: 20px; margin-top: 45px; }
.contact-links a { position: relative; padding: 19px 48px 19px 20px; border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.1); }
.contact-links small, .contact-links strong { display: block; }.contact-links small { color: #c7e5f9; font-size: 9px; letter-spacing: .12em; }.contact-links strong { margin-top: 7px; font-size: 15px; }
.contact-links a > span { position: absolute; right: 18px; top: 28px; }
.contact-card .section-index { color: #bceefa; }
.contact-glow { position: absolute; right: -90px; top: -130px; width: 500px; height: 500px; border: 80px solid rgba(255,255,255,.07); border-radius: 50%; }

footer { padding: 70px 0 25px; color: #9aabbc; background: #061426; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr .8fr; gap: 70px; }
.footer-logo { filter: brightness(0) invert(1); opacity: .9; }
.footer-brand p, footer p { font-size: 12px; line-height: 1.8; }
.footer-address-en { margin-top: 12px; color: #748aa1; font-size: 11px; }
footer small { display: block; margin-bottom: 17px; color: #59728d; font-size: 9px; letter-spacing: .15em; text-transform: uppercase; }
footer strong, footer a { display: block; margin-bottom: 10px; color: #dbe7f3; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 55px; padding-top: 22px; border-top: 1px solid #172c43; font-size: 9px; letter-spacing: .08em; }
.footer-records { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.footer-records a { display: inline; margin: 0; color: #9aabbc; font-size: inherit; }
.footer-records a:hover { color: #dbe7f3; }
.footer-records i { color: #36506a; font-style: normal; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 800px) {
  :root { --shell: calc(100vw - 36px); }
  .site-header { height: 66px; padding: 0 18px; }
  .desktop-nav, .header-contact { display: none; }
  .menu-button { display: block; }
  .menu-button span { display: block; width: 22px; height: 2px; margin: 5px; background: var(--ink); }
  .desktop-nav.open { position: absolute; display: flex; flex-direction: column; top: 66px; left: 0; right: 0; padding: 28px; background: white; box-shadow: 0 15px 30px rgba(0,0,0,.08); }
  .hero { height: auto; min-height: 830px; padding-top: 120px; grid-template-columns: 1fr; align-items: start; }
  .hero::before { inset: 470px -18px 0 -18px; width: auto; }
  .hero-visual { height: 360px; margin-top: 35px; }
  .orb-one { width: 220px; height: 220px; left: 15%; top: 50px; }
  .orb-two { width: 90px; height: 90px; }
  .card-ai { left: 0; top: 50px; }.card-tech { top: 150px; right: 0; }
  .code-panel { width: 280px; left: 50%; bottom: 10px; transform: translateX(-50%); }
  .hero-foot { display: none; }
  .section-heading { display: block; }.section-heading > p { width: auto; margin-top: 22px; }
  .section-heading h2 { font-size: 39px; }
  .service-grid, .product-card, .about-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 32px 26px; }
  .service-card p { min-height: 0; }
  .service-card ul { flex-wrap: wrap; }
  .product-copy { padding: 42px 28px; }
  .product-screen { min-height: 350px; padding: 30px 0 30px 20px; }
  .screen-window { width: 560px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .about-grid { gap: 35px; }
  .principles { gap: 10px; }
  .contact-card { padding: 48px 25px; }
  .contact-links { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-bottom { display: block; line-height: 2; }
}