:root {
  --ink: #0c1424;
  --muted: #667085;
  --line: #e8edf4;
  --paper: #ffffff;
  --paper-soft: #f6f8fb;
  --blue: #2767ff;
  --blue-2: #57a1ff;
  --navy: #081225;
  --navy-2: #0d1d39;
  --cyan: #56e0ff;
  --shadow: 0 24px 70px rgba(16, 39, 89, .12);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: 76px;
  background: rgba(7, 17, 35, .35);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(14px);
  transition: .3s ease;
}
.site-header.scrolled {
  background: rgba(8, 18, 37, .94);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .12);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark {
  position: relative; width: 38px; height: 38px; display: block;
  transform: rotate(45deg);
  border: 1px solid rgba(86, 224, 255, .75);
  background: linear-gradient(145deg, rgba(39,103,255,.28), rgba(86,224,255,.05));
  box-shadow: 0 0 28px rgba(86,224,255,.16) inset;
}
.brand-mark i { position: absolute; display: block; background: linear-gradient(90deg, var(--blue-2), var(--cyan)); }
.brand-mark i:first-child { width: 17px; height: 3px; left: 9px; top: 12px; }
.brand-mark i:last-child { width: 3px; height: 17px; left: 17px; top: 12px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 19px; letter-spacing: .08em; }
.brand-text small { margin-top: 6px; font-size: 8px; letter-spacing: .24em; color: rgba(255,255,255,.62); }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a { position: relative; color: rgba(255,255,255,.78); font-size: 14px; transition: .2s ease; }
.main-nav a::after { content: ""; position: absolute; left: 50%; bottom: -11px; width: 0; height: 2px; background: var(--cyan); transform: translateX(-50%); transition: .2s ease; }
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { width: 18px; }
.menu-btn { display: none; border: 0; background: transparent; padding: 8px; }
.menu-btn span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; }

.hero {
  min-height: 760px;
  height: 100vh;
  max-height: 960px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 35%, rgba(43,102,255,.22), transparent 30%),
    radial-gradient(circle at 25% 80%, rgba(67,222,255,.10), transparent 30%),
    linear-gradient(125deg, #07101f 0%, #0b1a35 56%, #071225 100%);
  color: #fff;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, #000 10%, transparent 92%);
}
.hero::before {
  content: ""; position: absolute; inset: auto -15% -35% 20%; height: 62%;
  border-radius: 50%; border: 1px solid rgba(86,224,255,.16); transform: rotate(-7deg);
  box-shadow: 0 0 0 90px rgba(39,103,255,.018), 0 0 0 180px rgba(39,103,255,.012);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .55; }
.orb-a { width: 180px; height: 180px; right: 9%; top: 16%; background: radial-gradient(circle at 35% 35%, rgba(86,224,255,.48), rgba(39,103,255,.08) 50%, transparent 70%); animation: floaty 6s ease-in-out infinite; }
.orb-b { width: 90px; height: 90px; left: 44%; bottom: 16%; background: radial-gradient(circle, rgba(39,103,255,.58), transparent 66%); animation: floaty 7.5s ease-in-out infinite reverse; }
@keyframes floaty { 50% { transform: translateY(-16px) translateX(7px); } }
.hero-content { position: relative; z-index: 4; height: 100%; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; padding-top: 58px; }
.eyebrow { margin: 0 0 18px; color: #7fbbff; font-size: 12px; font-weight: 700; letter-spacing: .21em; text-transform: uppercase; }
.eyebrow.dark { color: var(--blue); }
.hero h1 { margin: 0; font-size: clamp(50px, 5vw, 76px); line-height: 1.13; letter-spacing: -.045em; font-weight: 720; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.86); text-shadow: 0 0 36px rgba(86,224,255,.12); }
.hero-desc { max-width: 650px; margin: 26px 0 0; font-size: 17px; line-height: 1.9; color: rgba(235,243,255,.72); }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.btn { display: inline-flex; min-width: 150px; height: 48px; padding: 0 24px; align-items: center; justify-content: center; border-radius: 6px; font-size: 14px; font-weight: 650; transition: .25s ease; }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--blue), #3c89ff); box-shadow: 0 12px 28px rgba(39,103,255,.32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(39,103,255,.40); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.035); }
.btn-ghost:hover { border-color: rgba(86,224,255,.6); background: rgba(86,224,255,.08); }

.hero-visual { position: relative; height: 520px; perspective: 1200px; }
.visual-card { position: absolute; border: 1px solid rgba(118,177,255,.22); background: rgba(10,27,55,.62); backdrop-filter: blur(15px); box-shadow: 0 40px 80px rgba(0,0,0,.24); }
.visual-card-main { left: 8%; right: 8%; top: 11%; bottom: 10%; padding: 26px; transform: rotateY(-8deg) rotateX(3deg); border-color: rgba(86,224,255,.32); background: linear-gradient(150deg, rgba(17,43,84,.86), rgba(7,19,42,.72)); }
.visual-card-main::before { content: ""; position: absolute; inset: 13px; border: 1px solid rgba(255,255,255,.05); pointer-events: none; }
.visual-topline { display: flex; align-items: center; justify-content: space-between; font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.56); }
.visual-topline span:first-child { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(86,224,255,.45); color: var(--cyan); font-weight: 800; letter-spacing: 0; }
.visual-center { height: 235px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; }
.core-ring { position: relative; width: 128px; height: 128px; border-radius: 50%; border: 1px solid rgba(86,224,255,.44); box-shadow: 0 0 0 22px rgba(39,103,255,.06), 0 0 0 44px rgba(39,103,255,.025), inset 0 0 36px rgba(86,224,255,.12); animation: pulseRing 4s ease-in-out infinite; }
.core-ring::before,.core-ring::after { content: ""; position: absolute; border-radius: 50%; border: 1px dashed rgba(126,186,255,.25); }
.core-ring::before { inset: 13px; }
.core-ring::after { inset: -17px; }
.core-dot { position: absolute; width: 22px; height: 22px; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); background: #dffcff; box-shadow: 0 0 28px var(--cyan); }
@keyframes pulseRing { 50% { transform: scale(1.04); box-shadow: 0 0 0 26px rgba(39,103,255,.05), 0 0 0 50px rgba(39,103,255,.02), inset 0 0 42px rgba(86,224,255,.16); } }
.visual-center p { margin: 0; color: rgba(255,255,255,.72); letter-spacing: .25em; font-size: 12px; }
.visual-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(255,255,255,.08); }
.visual-metrics div { padding: 14px 9px; background: rgba(6,19,41,.94); text-align: center; }
.visual-metrics b { display: block; color: #dbeaff; font-size: 12px; letter-spacing: .14em; }
.visual-metrics span { display: block; margin-top: 5px; color: rgba(255,255,255,.44); font-size: 10px; }
.visual-card-back,.visual-card-front { width: 205px; height: 108px; padding: 19px 20px; display: flex; flex-direction: column; justify-content: end; }
.visual-card-back { left: -2%; top: 3%; transform: rotateY(8deg) rotateZ(-5deg); }
.visual-card-front { right: -1%; bottom: 1%; transform: rotateY(-7deg) rotateZ(4deg); }
.visual-card-back span,.visual-card-front span { font-size: 9px; letter-spacing: .14em; color: rgba(255,255,255,.44); }
.visual-card-back b,.visual-card-front b { margin-top: 7px; font-size: 18px; font-weight: 620; }
.scroll-tip { position: absolute; z-index: 6; bottom: 26px; left: 50%; transform: translateX(-50%); font-size: 9px; letter-spacing: .22em; color: rgba(255,255,255,.4); display: flex; flex-direction: column; align-items: center; gap: 9px; }
.scroll-tip span { width: 1px; height: 30px; background: linear-gradient(#fff, transparent); animation: scrollLine 1.8s ease-in-out infinite; }
@keyframes scrollLine { 50% { transform: translateY(6px); opacity: .35; } }

.section { padding: 112px 0; }
.two-col { display: grid; grid-template-columns: .7fr 1.3fr; gap: 96px; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 50px); line-height: 1.2; letter-spacing: -.03em; }
.heading-line { width: 54px; height: 3px; margin-top: 26px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
.section-heading.centered { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-subtitle { margin: 18px auto 0; color: var(--muted); line-height: 1.8; }
.about { background: #fff; }
.about-copy .lead { margin-top: 0; color: #17243c; font-size: 25px; line-height: 1.65; font-weight: 620; }
.about-copy p:not(.lead) { margin: 20px 0 0; color: var(--muted); font-size: 16px; line-height: 2; }

.business { background: var(--paper-soft); }
.business-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.business-card { position: relative; min-height: 320px; padding: 34px 28px 30px; overflow: hidden; border: 1px solid #e4eaf2; background: #fff; box-shadow: 0 10px 30px rgba(16,39,89,.04); transition: .3s ease; }
.business-card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--blue), var(--cyan)); transform: scaleX(0); transform-origin: left; transition: .3s ease; }
.business-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: transparent; }
.business-card:hover::after { transform: scaleX(1); }
.card-index { position: absolute; right: 24px; top: 26px; color: #dce4ef; font-size: 22px; font-weight: 700; }
.business-card h3 { margin: 32px 0 14px; font-size: 22px; }
.business-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.icon { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid #cfe0ff; background: #f4f8ff; position: relative; }
.icon-game::before { content:""; width: 30px; height: 20px; border: 2px solid var(--blue); border-radius: 7px 7px 11px 11px; transform: skew(-5deg); }
.icon-game::after { content:"+"; position:absolute; left: 15px; top: 18px; color:var(--blue); font-weight:700; font-size:18px; }
.icon-code span { color: var(--blue); font-weight: 800; font-size: 17px; letter-spacing: -.08em; }
.icon-design::before { content:""; width: 25px; height:25px; border:2px solid var(--blue); transform:rotate(45deg); }
.icon-design::after { content:""; position:absolute; width:8px; height:8px; border-radius:50%; background:var(--cyan); }
.icon-service::before { content:""; width:27px; height:27px; border-radius:50%; border:2px solid var(--blue); box-shadow: inset 0 0 0 6px #f4f8ff, inset 0 0 0 8px var(--blue); }
.icon-service::after { content:""; position:absolute; width:35px; height:2px; background:var(--blue); transform:rotate(45deg); }

.values { position: relative; overflow: hidden; color: #fff; background: #09172d; }
.values-bg { position: absolute; inset: 0; opacity: .82; background: radial-gradient(circle at 11% 34%, rgba(39,103,255,.28), transparent 27%), radial-gradient(circle at 88% 72%, rgba(86,224,255,.08), transparent 28%), linear-gradient(120deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: auto, auto, 62px 62px; }
.values-inner { position: relative; z-index: 2; display: grid; grid-template-columns: .86fr 1.14fr; gap: 100px; align-items: start; }
.section-heading.inverse h2 { font-size: clamp(38px,4vw,55px); line-height:1.25; }
.section-heading.inverse > p:last-child { max-width: 480px; margin-top: 24px; line-height: 1.9; color: rgba(255,255,255,.6); }
.value-list { border-top: 1px solid rgba(255,255,255,.12); }
.value-item { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.value-item > span { color: var(--cyan); font-size: 12px; letter-spacing: .1em; }
.value-item h3 { margin: 0 0 8px; font-size: 19px; }
.value-item p { margin: 0; color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.8; }

.company { background: #fff; }
.company-panel { display: grid; grid-template-columns: .75fr 1.25fr; border: 1px solid var(--line); box-shadow: 0 18px 54px rgba(22,43,80,.07); }
.company-name { padding: 48px 44px; color: #fff; background: linear-gradient(145deg, #0b1a34, #102b54); position: relative; overflow: hidden; }
.company-name::after { content:""; position:absolute; width:180px; height:180px; right:-75px; bottom:-75px; border:1px solid rgba(86,224,255,.28); border-radius:50%; box-shadow:0 0 0 35px rgba(86,224,255,.035),0 0 0 70px rgba(86,224,255,.018); }
.company-name span { display:block; color:rgba(255,255,255,.48); font-size:12px; letter-spacing:.16em; }
.company-name h3 { margin:22px 0 8px; font-size:29px; line-height:1.4; }
.company-name p { margin:0; color:rgba(255,255,255,.45); font-size:12px; letter-spacing:.04em; }
.company-details { display:grid; grid-template-columns:repeat(2,1fr); margin:0; padding:20px 38px; }
.company-details div { padding:22px 10px; border-bottom:1px solid var(--line); }
.company-details .full { grid-column:1 / -1; }
.company-details dt { color:#8a94a6; font-size:12px; margin-bottom:9px; }
.company-details dd { margin:0; color:#26354d; font-size:14px; line-height:1.7; font-weight:560; }

.cta-section { padding: 70px 0; color:#fff; background: linear-gradient(110deg, #245fe6, #387fff 55%, #2b6fe9); overflow:hidden; position:relative; }
.cta-section::before { content:""; position:absolute; width:520px; height:520px; border:1px solid rgba(255,255,255,.13); border-radius:50%; right:4%; top:-240px; box-shadow:0 0 0 70px rgba(255,255,255,.035),0 0 0 140px rgba(255,255,255,.02); }
.cta-inner { position:relative; display:flex; align-items:center; justify-content:space-between; gap:30px; }
.cta-inner .eyebrow { color:rgba(255,255,255,.68); margin-bottom:12px; }
.cta-inner h2 { margin:0; font-size:32px; letter-spacing:-.02em; }
.btn-light { color:#2155c5; background:#fff; }
.btn-light:hover { transform:translateY(-2px); box-shadow:0 12px 30px rgba(0,0,0,.14); }

.site-footer { color:rgba(255,255,255,.58); background:#060d1a; padding:34px 0; }
.footer-inner { display:flex; justify-content:space-between; align-items:center; gap:40px; }
.footer-brand { display:flex; flex-direction:column; gap:7px; }
.footer-brand strong { color:#fff; font-size:15px; }
.footer-brand span { font-size:12px; }
.footer-meta { text-align:right; font-size:12px; line-height:1.9; }
.footer-meta p { margin:0; }
.footer-meta a { color:rgba(255,255,255,.72); transition:.2s; }
.footer-meta a:hover { color:#fff; text-decoration:underline; }

@media (max-width: 980px) {
  .main-nav { gap: 22px; }
  .hero-content { grid-template-columns: 1fr; gap: 0; padding-top: 110px; }
  .hero { min-height: 850px; height: auto; max-height: none; padding-bottom: 70px; }
  .hero-visual { width: min(560px, 86%); margin: 15px auto 0; height: 420px; }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .values-inner { grid-template-columns: 1fr; gap: 50px; }
  .company-panel { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 32px, var(--container)); }
  .site-header { height: 66px; }
  .menu-btn { display: block; }
  .main-nav { display:none; position:absolute; top:66px; left:0; right:0; padding:10px 18px 18px; background:rgba(8,18,37,.98); border-top:1px solid rgba(255,255,255,.08); }
  .main-nav.open { display:flex; flex-direction:column; align-items:stretch; gap:0; }
  .main-nav a { padding:13px 8px; border-bottom:1px solid rgba(255,255,255,.06); }
  .main-nav a::after { display:none; }
  .brand-text strong { font-size:17px; }
  .hero { min-height: 840px; }
  .hero-content { padding-top: 130px; align-items:start; }
  .hero h1 { font-size: clamp(40px, 11vw, 56px); }
  .hero-desc { font-size:15px; line-height:1.85; }
  .hero-actions { margin-top:28px; }
  .btn { min-width:0; flex:1; padding:0 17px; }
  .hero-visual { width:100%; height:355px; margin-top:34px; }
  .visual-card-main { left:5%; right:5%; padding:19px; }
  .visual-center { height:180px; }
  .core-ring { width:100px; height:100px; }
  .visual-card-back,.visual-card-front { width:150px; height:82px; padding:13px; }
  .visual-card-back b,.visual-card-front b { font-size:14px; }
  .scroll-tip { display:none; }
  .section { padding:78px 0; }
  .two-col { grid-template-columns:1fr; gap:42px; }
  .about-copy .lead { font-size:21px; }
  .business-grid { grid-template-columns:1fr; }
  .business-card { min-height:auto; }
  .company-details { grid-template-columns:1fr; padding:12px 24px; }
  .company-details .full { grid-column:auto; }
  .company-name { padding:36px 28px; }
  .cta-inner { flex-direction:column; align-items:flex-start; }
  .cta-inner .btn { flex:none; min-width:135px; }
  .footer-inner { flex-direction:column; align-items:flex-start; gap:22px; }
  .footer-meta { text-align:left; }
}