:root {
  --bg: #05070d;
  --bg2: #080c17;
  --card: rgba(255, 255, 255, 0.032);
  --card-hi: rgba(255, 255, 255, 0.06);
  --line: rgba(140, 170, 255, 0.13);
  --line-hi: rgba(56, 225, 255, 0.45);
  --text: #e8edf7;
  --muted: #8f99ad;
  --c1: #38e1ff;
  --c2: #7c5cff;
  --c3: #9dff7a;
  --grad: linear-gradient(100deg, #38e1ff 0%, #7c9bff 45%, #a77cff 100%);
  --radius: 18px;
  --sans: "Segoe UI", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Heiti TC", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; background: var(--bg); scroll-behavior: smooth; scroll-padding-top: 78px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.75 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 150, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 150, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 85%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 85%);
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -0.01em; }
p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--c1); outline-offset: 3px; border-radius: 6px; }
::selection { background: rgba(56, 225, 255, 0.3); }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--c1); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }

/* ---------- nav ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.nav.scrolled, body.menu-open .nav { background: rgba(5, 7, 13, 0.72); -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { border-radius: 9px; box-shadow: 0 0 22px rgba(56, 225, 255, 0.25); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text b { font-size: 17px; letter-spacing: .08em; }
.brand-text small { font: 600 10px/1.2 var(--mono); letter-spacing: .18em; color: var(--c1); margin-top: 3px; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { position: relative; padding: 8px 12px; font-size: 14px; color: var(--muted); border-radius: 8px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--c1); box-shadow: 0 0 10px var(--c1); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-btn { min-width: 46px; height: 34px; padding: 0 12px; border: 1px solid var(--line-hi); border-radius: 999px; background: rgba(56, 225, 255, 0.06); font: 600 13px var(--mono); color: var(--c1); cursor: pointer; transition: background .2s, box-shadow .2s; }
.lang-btn:hover { background: rgba(56, 225, 255, 0.14); box-shadow: 0 0 18px rgba(56, 225, 255, 0.25); }
.menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; background: transparent; cursor: pointer; padding: 11px 10px; flex-direction: column; justify-content: space-between; }
.menu-btn span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s, opacity .25s; }
body.menu-open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
body.menu-open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 24px; border-radius: 12px; font-weight: 600; font-size: 15px; transition: transform .2s, box-shadow .25s, background .25s, border-color .25s; white-space: nowrap; }
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.btn-primary { background: var(--grad); color: #04121a; box-shadow: 0 10px 40px -10px rgba(56, 225, 255, 0.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px -10px rgba(124, 92, 255, 0.7); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.btn-ghost:hover { border-color: var(--line-hi); background: rgba(56, 225, 255, 0.06); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-block: 120px 56px; overflow: hidden; isolation: isolate; }
#net { position: absolute; inset: 0; z-index: -1; }
.hero-glow { position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(600px 420px at 12% 20%, rgba(56, 225, 255, 0.16), transparent 70%),
    radial-gradient(700px 520px at 88% 70%, rgba(124, 92, 255, 0.18), transparent 70%); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 160px; z-index: -1; background: linear-gradient(transparent, var(--bg)); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, 0.03); font: 600 12px/1.4 var(--mono); letter-spacing: .14em; color: var(--c1); }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--c3); box-shadow: 0 0 0 0 rgba(157, 255, 122, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(157, 255, 122, 0); } 100% { box-shadow: 0 0 0 0 rgba(157, 255, 122, 0); } }
.hero h1 { margin-top: 22px; }
.hero h1 .l1 { display: block; text-wrap: balance; font-size: clamp(34px, 5.3vw, 76px); font-weight: 800; line-height: 1.08; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.02em; padding-bottom: 6px; }
.hero h1 .l2 { display: block; margin-top: 12px; font-size: clamp(20px, 2.5vw, 31px); font-weight: 600; color: var(--text); }
.hero-sub { margin-top: 22px; max-width: 620px; font-size: 17px; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.terminal { border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(180deg, rgba(12, 18, 34, 0.9), rgba(6, 9, 18, 0.9)); box-shadow: 0 30px 80px -30px rgba(56, 225, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05); overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: 10px; font: 12px var(--mono); color: var(--muted); }
.terminal pre { margin: 0; padding: 20px 20px 24px; min-height: 238px; font: 13.5px/1.9 var(--mono); white-space: pre-wrap; word-break: break-word; }
.terminal .cmd { color: var(--text); }
.terminal .ok { color: var(--c3); }
.terminal .dim { color: var(--muted); }
.terminal .live { color: var(--c1); }
.caret { display: inline-block; width: 8px; height: 16px; margin-left: 2px; vertical-align: -3px; background: var(--c1); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 70px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8, 12, 23, 0.6); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.stat { padding: 22px 24px; display: flex; flex-direction: column; gap: 4px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { font: 700 clamp(26px, 3vw, 36px)/1.1 var(--mono); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 13.5px; color: var(--muted); }

/* ---------- sections ---------- */
.sec { position: relative; padding-block: 104px; }
.sec-alt { background: linear-gradient(180deg, transparent, rgba(12, 18, 36, 0.55) 18%, rgba(12, 18, 36, 0.55) 82%, transparent); }
.sec-head { max-width: 780px; margin-bottom: 52px; }
.kicker { display: inline-block; font: 600 12.5px/1 var(--mono); letter-spacing: .2em; color: var(--c1); margin-bottom: 18px; }
.kicker::before { content: "▍"; color: var(--c2); margin-right: 6px; }
.sec-head h2, .contact h2 { font-size: clamp(28px, 3.7vw, 46px); font-weight: 750; }
.lead { margin-top: 18px; font-size: 17px; color: var(--muted); }
.sub-title { margin: 64px 0 22px; font-size: 22px; }

.card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 26px; overflow: hidden; transition: border-color .3s, transform .3s, background .3s; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card h4 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }
.glow::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s; background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(56, 225, 255, 0.13), transparent 60%); }
.glow:hover { border-color: rgba(56, 225, 255, 0.32); transform: translateY(-3px); background: var(--card-hi); }
.glow:hover::before { opacity: 1; }
.idx { display: inline-block; margin-bottom: 14px; font: 600 11.5px/1 var(--mono); letter-spacing: .16em; color: var(--c1); opacity: .85; }

.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.glow.reveal.in:hover { transform: translateY(-3px); transition-delay: 0s; }

/* about */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 36px; align-items: start; }
.about-text p { font-size: 16.5px; color: #c5cddc; }
.about-text p + p { margin-top: 16px; }
.vm { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.vm-item { padding: 18px 20px; border-radius: 14px; border: 1px solid transparent; background: linear-gradient(var(--bg2), var(--bg2)) padding-box, var(--grad) border-box; }
.vm-item span { font: 600 12px var(--mono); letter-spacing: .14em; color: var(--c1); }
.vm-item p { margin-top: 6px; font-size: 15px; color: var(--text); }
.facts { margin: 0; padding: 8px 26px; }
.facts div { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px dashed var(--line); }
.facts div:last-of-type { border-bottom: 0; }
.facts dt { font-size: 14px; color: var(--muted); }
.facts dd { margin: 0; font: 600 15px var(--mono); text-align: right; }
.facts .facts-scan { position: absolute; left: 0; right: 0; top: -80px; height: 80px; padding: 0; border: 0; pointer-events: none; background: linear-gradient(180deg, transparent, rgba(56, 225, 255, 0.07) 70%, rgba(56, 225, 255, 0.22) 100%); animation: scan 5.5s ease-in-out infinite; }
@keyframes scan { 0% { transform: translateY(0); } 100% { transform: translateY(420px); } }
.values { margin-top: 36px; }

/* pains */
.pain { display: flex; flex-direction: column; }
.pain p { flex: 1; }
.solve { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: baseline; font-size: 14.5px; color: var(--text); }
.solve em { flex-shrink: 0; font: normal 600 11px var(--mono); letter-spacing: .1em; padding: 3px 8px; border-radius: 6px; color: #04121a; background: var(--c3); }

/* services */
.tabs { position: relative; display: inline-flex; padding: 5px; margin-bottom: 26px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.03); max-width: 100%; }
.tab { position: relative; z-index: 1; padding: 10px 20px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font-weight: 600; cursor: pointer; transition: color .25s; }
.tab.on { color: #04121a; }
.tab-ink { position: absolute; top: 5px; bottom: 5px; left: 0; border-radius: 10px; background: var(--grad); transition: transform .35s cubic-bezier(.2, .7, .2, 1), width .35s; box-shadow: 0 6px 24px -8px rgba(56, 225, 255, 0.7); }
.svc-grid { transition: opacity .18s, transform .18s; }
.svc-grid.swap { opacity: 0; transform: translateY(8px); }
.svc { display: flex; flex-direction: column; }
.svc p { flex: 1; }
.out { margin-top: 18px; padding: 10px 12px; border-radius: 10px; background: rgba(56, 225, 255, 0.06); border: 1px solid rgba(56, 225, 255, 0.14); font-size: 14px; color: var(--text); }
.out em { display: block; font: normal 600 10.5px var(--mono); letter-spacing: .14em; color: var(--c1); margin-bottom: 2px; }
.program { margin-top: 22px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; padding: 34px; border: 1px solid transparent; background: linear-gradient(120deg, rgba(16, 26, 48, 0.95), rgba(20, 14, 42, 0.95)) padding-box, var(--grad) border-box; }
.program h3 { font-size: 26px; margin: 12px 0; }
.badge { display: inline-block; font: 700 11px var(--mono); letter-spacing: .18em; padding: 5px 10px; border-radius: 6px; color: #04121a; background: var(--c1); }
.program ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; align-content: center; }
.program li { position: relative; padding: 11px 14px 11px 40px; border-radius: 10px; background: rgba(255, 255, 255, 0.04); font-size: 15px; }
.program li::before { content: ""; position: absolute; left: 15px; top: 50%; width: 12px; height: 7px; margin-top: -5px; border-left: 2px solid var(--c3); border-bottom: 2px solid var(--c3); transform: rotate(-45deg); }

/* process */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: s; }
.step { display: flex; flex-direction: column; }
.step p { flex: 1; font-size: 14.5px; }
.step-no { font: 800 40px/1 var(--mono); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .9; margin-bottom: 14px; }
.step h3 { font-size: 18px; }
.chip { align-self: flex-start; margin-top: 16px; font: 600 12px var(--mono); padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-hi); color: var(--c1); }
.step:last-child { background: linear-gradient(135deg, rgba(56, 225, 255, 0.08), rgba(124, 92, 255, 0.1)); }

/* markets */
.split { padding: 30px; }
.year-switch { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.yr { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); font: 600 13px var(--mono); cursor: pointer; transition: all .25s; }
.yr:hover { color: var(--text); border-color: var(--line-hi); }
.yr.on { color: #04121a; background: var(--c1); border-color: var(--c1); box-shadow: 0 0 20px rgba(56, 225, 255, 0.35); }
.bar { display: flex; height: 76px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.02); }
.seg { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 22px; min-width: 0; transition: width .9s cubic-bezier(.2, .7, .2, 1); overflow: hidden; }
.seg span { font-weight: 600; white-space: nowrap; }
.seg b { font: 800 clamp(20px, 3vw, 32px) var(--mono); }
.seg-hk { background: linear-gradient(90deg, rgba(56, 225, 255, 0.35), rgba(56, 225, 255, 0.12)); color: #dffaff; }
.seg-cn { background: linear-gradient(90deg, rgba(124, 92, 255, 0.14), rgba(124, 92, 255, 0.4)); color: #ece6ff; border-left: 2px solid rgba(255, 255, 255, 0.4); }
.seg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.12) 50%, transparent 70%); transform: translateX(-100%); animation: sheen 4s ease-in-out infinite; }
@keyframes sheen { 60%, 100% { transform: translateX(100%); } }
.focus { margin-top: 18px; color: var(--text); font-size: 15.5px; }
.kicker-inline { font-family: var(--mono); color: var(--c3); }
.regions { margin-top: 18px; }
.region ul { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 10px; }
.region li { position: relative; padding-left: 20px; color: #c5cddc; font-size: 15px; }
.region li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 2px; background: var(--c1); box-shadow: 0 0 10px rgba(56, 225, 255, 0.6); transform: rotate(45deg); }
.region:nth-child(2) li::before { background: var(--c2); box-shadow: 0 0 10px rgba(124, 92, 255, 0.7); }
.client p { font-size: 14.5px; }

/* why */
.icon { display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 18px; border-radius: 13px; border: 1px solid var(--line-hi); background: radial-gradient(circle at 30% 20%, rgba(56, 225, 255, 0.25), rgba(124, 92, 255, 0.08)); }
.icon svg { width: 24px; height: 24px; fill: none; stroke: var(--c1); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* team */
.member { display: flex; flex-direction: column; }
.member-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.avatar { position: relative; flex-shrink: 0; width: 64px; height: 64px; border-radius: 50%; padding: 2px; background: var(--grad); }
.avatar b { display: grid; place-items: center; width: 100%; height: 100%; border-radius: 50%; background: var(--bg2); font-size: 22px; font-weight: 700; }
.member h3 { margin: 0; font-size: 21px; }
.alt { font: 13px var(--mono); color: var(--muted); letter-spacing: .04em; }
.role { font: 600 12.5px var(--mono); letter-spacing: .08em; color: var(--c1); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 16px; }
.tags span { font-size: 12.5px; padding: 4px 10px; border-radius: 999px; background: rgba(124, 92, 255, 0.12); border: 1px solid rgba(124, 92, 255, 0.3); color: #d9d0ff; }
.member p { font-size: 14.5px; }

/* network */
.net-diagram { display: grid; grid-template-columns: minmax(0, 1fr) 90px auto 90px minmax(0, 1fr); align-items: center; }
.node h3 { font-size: 18px; }
.core { position: relative; width: 230px; height: 230px; display: grid; place-items: center; }
.core-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px dashed rgba(56, 225, 255, 0.45); animation: spin 26s linear infinite; }
.core-ring::before, .core-ring::after { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--c1); box-shadow: 0 0 14px var(--c1); top: -5px; left: 50%; margin-left: -5px; }
.core-ring::after { top: auto; bottom: -5px; background: var(--c2); box-shadow: 0 0 14px var(--c2); }
@keyframes spin { to { transform: rotate(360deg); } }
.core-in { width: 176px; height: 176px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 18px; background: radial-gradient(circle at 35% 25%, rgba(56, 225, 255, 0.28), rgba(124, 92, 255, 0.18) 60%, rgba(8, 12, 23, 0.9)); border: 1px solid var(--line-hi); box-shadow: 0 0 60px -10px rgba(56, 225, 255, 0.45); }
.core-in b { font-size: 17px; line-height: 1.3; }
.core-in span { margin-top: 6px; font: 11px/1.4 var(--mono); color: var(--c1); letter-spacing: .06em; }
.link { position: relative; height: 2px; background: repeating-linear-gradient(90deg, rgba(56, 225, 255, 0.5) 0 6px, transparent 6px 12px); }
.link i { position: absolute; top: -3px; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--c3); box-shadow: 0 0 12px var(--c3); animation: flow 2.4s linear infinite; }
.link-l i { animation-direction: reverse; }
@keyframes flow { from { left: 0; } to { left: calc(100% - 8px); } }

/* roadmap */
.phase-bar { margin-top: 18px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.phase-bar i { display: block; height: 100%; background: var(--grad); }
.timeline { list-style: none; margin: 44px 0 0; padding: 0; position: relative; display: grid; gap: 4px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--c1), var(--c2) 60%, rgba(124, 92, 255, 0.1)); }
.timeline li { position: relative; display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 20px; padding: 14px 0 14px 40px; }
.timeline .dot { position: absolute; left: 0; top: 21px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--c2); background: var(--bg); }
.timeline li.done .dot { border-color: var(--c3); background: var(--c3); box-shadow: 0 0 14px rgba(157, 255, 122, 0.6); }
.timeline time { font: 700 15px/1.9 var(--mono); color: var(--c1); }
.timeline p { color: #c5cddc; font-size: 15.5px; padding-top: 1px; }

/* contact */
.contact { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; padding: 48px; border: 1px solid transparent; background: radial-gradient(600px 300px at 0% 0%, rgba(56, 225, 255, 0.14), transparent 70%) padding-box, radial-gradient(600px 300px at 100% 100%, rgba(124, 92, 255, 0.18), transparent 70%) padding-box, linear-gradient(var(--bg2), var(--bg2)) padding-box, var(--grad) border-box; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; align-content: center; }
.contact-list li { padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); }
.contact-list span { display: block; font: 600 11.5px var(--mono); letter-spacing: .16em; color: var(--c1); margin-bottom: 4px; text-transform: uppercase; }
.contact-list a { font: 600 18px var(--mono); word-break: break-all; transition: color .2s; }
.contact-list a:hover { color: var(--c1); }
.contact-list p { color: var(--text); font-size: 15px; }

/* footer */
.footer { border-top: 1px solid var(--line); padding-block: 36px 44px; }
.footer-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 28px; align-items: center; }
.footer-inner b { display: block; font-size: 15px; }
.footer-inner span { font: 12px var(--mono); color: var(--muted); letter-spacing: .04em; }
.footer-inner p { font-size: 13px; color: var(--muted); text-align: center; }
.footer-meta { display: flex; gap: 18px; font: 12.5px var(--mono); color: var(--muted); }
.footer-meta a:hover { color: var(--c1); }
.noscript { padding-block: 40px; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav-links a { padding: 8px 9px; font-size: 13.5px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .net-diagram { grid-template-columns: minmax(0, 1fr) 40px auto 40px minmax(0, 1fr); }
  .core { width: 200px; height: 200px; }
  .core-in { width: 156px; height: 156px; }
}
@media (max-width: 900px) {
  .menu-btn { display: flex; }
  .nav-links { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 10px 16px 18px; background: rgba(5, 7, 13, 0.96); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s, visibility .25s; }
  body.menu-open .nav-links { opacity: 1; transform: none; visibility: visible; }
  .nav-links a { padding: 13px 10px; font-size: 16px; border-bottom: 1px solid rgba(140, 170, 255, 0.07); }
  .nav-links a.active::after { left: auto; right: 12px; top: 50%; bottom: auto; margin-top: -2px; }
  .nav-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 44px; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-grid, .program, .contact { grid-template-columns: minmax(0, 1fr); }
  .net-diagram { grid-template-columns: minmax(0, 1fr); justify-items: center; gap: 0; }
  .net-diagram .node { width: 100%; }
  .link { width: 2px; height: 48px; background: repeating-linear-gradient(180deg, rgba(56, 225, 255, 0.5) 0 6px, transparent 6px 12px); }
  .link i { left: -3px; animation-name: flowv; }
  @keyframes flowv { from { top: 0; } to { top: calc(100% - 8px); } }
  .footer-inner { grid-template-columns: minmax(0, 1fr); text-align: left; }
  .footer-inner p { text-align: left; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding-inline: 18px; }
  .sec { padding-block: 76px; }
  .sec-head { margin-bottom: 36px; }
  .grid-2, .grid-3, .grid-4, .steps, .vm { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-block: 100px 40px; }
  .hero-sub, .lead { font-size: 15.5px; }
  .btn { height: 48px; padding: 0 18px; font-size: 14.5px; }
  .terminal pre { min-height: 210px; font-size: 12px; padding: 16px; }
  .stat { padding: 16px 16px; }
  .card { padding: 22px; }
  .program, .contact { padding: 26px 22px; }
  .tabs { display: flex; }
  .tab { flex: 1; padding: 10px 8px; font-size: 14px; }
  .bar { height: 64px; }
  .seg { padding: 0 12px; }
  .seg span { font-size: 13px; }
  .timeline li { grid-template-columns: minmax(0, 1fr); gap: 2px; padding-left: 34px; }
  .facts { padding: 4px 20px; }
  .facts div { flex-direction: column; gap: 2px; }
  .facts dd { text-align: left; }
  .contact-list a { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .core-ring, .link i, .seg::after, .facts-scan, .pulse, .caret { animation: none; }
  .seg, .svc-grid, .tab-ink { transition: none; }
}