:root {
  --ink: #0d0d11;
  --panel: #1a1225;
  --panel-2: #130e1d;
  --line: rgba(161, 0, 255, .48);
  --text: #f8f2ff;
  --muted: #c9b9d9;
  --acid: #39ff14;
  --pink: #ff007f;
  --violet: #a100ff;
  --max: 1180px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(90deg, rgba(161,0,255,.05) 0, rgba(161,0,255,.05) 1px, transparent 1px, transparent 72px), repeating-linear-gradient(0deg, rgba(57,255,20,.035) 0, rgba(57,255,20,.035) 1px, transparent 1px, transparent 72px);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .18;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.06) 0, rgba(255,255,255,.06) 1px, transparent 1px, transparent 4px);
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: absolute; left: -10000px; top: 8px; z-index: 30; background: var(--acid); color: #050505; padding: .5rem .8rem; font-weight: 800; }
.skip-link:focus { left: 8px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 2px solid var(--acid); background: rgba(13,13,17,.94); box-shadow: 0 4px 0 rgba(161,0,255,.25); backdrop-filter: blur(14px); }
.header-inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { position: relative; display: inline-flex; align-items: center; gap: .58rem; min-width: 219px; height: 48px; color: var(--text); font: 800 .98rem/1 "Courier New", ui-monospace, monospace; letter-spacing: .055em; }
.brand::after { content: ""; position: absolute; bottom: 0; left: 0; width: 176px; height: 2px; background: linear-gradient(90deg, var(--acid) 0 82%, var(--violet) 82%); box-shadow: 0 0 10px rgba(57,255,20,.48); }
.brand-mark { width: 27px; height: 27px; display: grid; place-items: center; flex: 0 0 auto; border: 2px solid var(--acid); background: var(--acid); color: var(--ink); font: 900 1rem/1 "Courier New", monospace; box-shadow: 0 0 14px rgba(57,255,20,.6); }
.brand-label { position: static; width: auto; height: auto; overflow: visible; clip: auto; clip-path: none; white-space: nowrap; text-shadow: 1px 0 var(--violet); }
.site-nav { display: flex; align-items: center; gap: 1.25rem; color: var(--muted); font: 700 .78rem/1 "Courier New", ui-monospace, monospace; text-transform: uppercase; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--acid); }
.nav-toggle { display: none; width: 42px; height: 38px; border: 1px solid var(--line); color: var(--text); background: transparent; font-size: 1.15rem; }

.hero { position: relative; isolation: isolate; min-height: 620px; display: grid; align-items: end; padding: 72px 0; overflow: hidden; border-bottom: 2px solid var(--pink); background: var(--ink); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .42; background: repeating-linear-gradient(90deg, rgba(57,255,20,.14) 0, rgba(57,255,20,.14) 1px, transparent 1px, transparent 54px), repeating-linear-gradient(0deg, rgba(161,0,255,.13) 0, rgba(161,0,255,.13) 1px, transparent 1px, transparent 54px); }
.hero-backdrop { position: absolute; inset: 0; z-index: -2; overflow: hidden; background: #101019; }
.hero-cameras { display: grid; grid-template-columns: 1.35fr .9fr .62fr; grid-template-rows: 1fr 1fr; gap: 3px; background: var(--violet); }
.camera { position: relative; margin: 0; overflow: hidden; border: 1px solid rgba(57,255,20,.65); background: var(--panel-2); box-shadow: inset 0 0 0 1px rgba(161,0,255,.5); }
.camera-main { grid-row: span 2; }
.camera-portrait { grid-column: 3; grid-row: span 2; }
.hero-backdrop img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.7) contrast(1.12) brightness(.74); transition: transform .6s ease, filter .35s ease; }
.camera::before { content: "REC"; position: absolute; top: .65rem; right: .7rem; z-index: 2; color: var(--pink); font: 800 .64rem/1 "Courier New", ui-monospace, monospace; text-shadow: 0 0 9px var(--pink); animation: monitorFlicker 1.8s steps(2,end) infinite; }
.camera figcaption { position: absolute; top: .65rem; left: .7rem; z-index: 2; padding: .25rem .4rem; border-left: 2px solid var(--acid); background: rgba(13,13,17,.86); color: var(--acid); font: 700 .65rem/1 "Courier New", ui-monospace, monospace; letter-spacing: .08em; }
.camera:hover img, .camera:focus-within img { transform: scale(1.075); filter: saturate(1.15) contrast(1.17) brightness(.96); }
.camera:hover { border-color: var(--pink); box-shadow: inset 0 0 0 1px var(--pink), 0 0 28px rgba(255,0,127,.35); }
.hero-backdrop::after { content: ""; position: absolute; inset: 0; background: rgba(13,13,17,.56); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(340px, 1.1fr); align-items: end; gap: 2rem; }
.hero-copy { max-width: 650px; }
.eyebrow { display: inline-flex; gap: .55rem; align-items: center; color: var(--acid); font: 700 .76rem/1 ui-monospace, Consolas, monospace; text-transform: uppercase; letter-spacing: .1em; }
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--acid); box-shadow: 0 0 11px var(--acid); }
h1, h2, h3 { margin: 0; color: #fff; line-height: 1.22; font-family: "Courier New", "Microsoft YaHei", monospace; }
h1 { margin-top: .8rem; font-size: clamp(2.6rem, 6vw, 5.5rem); font-weight: 900; letter-spacing: 0; text-shadow: 3px 0 var(--violet), -2px 0 var(--pink), 0 0 18px rgba(57,255,20,.35); }
h2 { font-size: clamp(1.55rem, 3vw, 2.45rem); }
h3 { font-size: 1.1rem; }
.lead { margin: 1.15rem 0 1.7rem; max-width: 640px; color: #e2dde9; font-size: 1.08rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.download-btn, .button-secondary, .text-link {
  border: 2px solid transparent; cursor: pointer; min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; padding: .72rem 1rem; font: 800 .82rem/1 "Courier New", "Microsoft YaHei", monospace; transition: transform .16s ease, background .16s ease, color .16s ease, box-shadow .16s ease;
}
.download-btn { border-color: var(--acid); background: var(--acid); color: var(--ink); box-shadow: 4px 4px 0 var(--violet), 0 0 22px rgba(57,255,20,.35); }
.download-btn:hover { transform: translate(-1px,-2px); box-shadow: 6px 6px 0 var(--pink), 0 0 30px rgba(57,255,20,.58); }
.button-secondary { border-color: var(--violet); background: rgba(26,18,37,.92); color: var(--text); box-shadow: 3px 3px 0 rgba(161,0,255,.5); }
.button-secondary:hover { border-color: var(--pink); color: var(--acid); box-shadow: 4px 4px 0 var(--pink); }
.hero-panel { padding: 1rem; background: rgba(26,18,37,.91); border: 2px solid var(--violet); box-shadow: 7px 7px 0 rgba(255,0,127,.5), 0 0 34px rgba(161,0,255,.38); }
.panel-label { margin-bottom: .8rem; color: var(--acid); font: 700 .72rem/1 "Courier New", ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.terminal-list { margin: 0; padding: 0; list-style: none; }
.terminal-list li { display: grid; grid-template-columns: 105px 1fr; padding: .55rem 0; border-top: 1px solid var(--line); gap: .75rem; font-size: .92rem; }
.terminal-list span { color: var(--acid); font-family: ui-monospace, Consolas, monospace; }

main { padding: 3.5rem 0 0; }
.section { padding: 4.4rem 0; border-top: 1px solid var(--line); }
.section-alt { background: var(--panel); border-top-color: var(--violet); border-bottom: 1px solid rgba(57,255,20,.2); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.8rem; }
.section-head p { max-width: 640px; margin: .8rem 0 0; color: var(--muted); }
.summary { max-width: 850px; padding: 1.25rem 1.35rem; border-left: 3px solid var(--pink); color: #e5dfe9; background: rgba(255,255,255,.035); }
.stat-grid, .content-grid, .index-grid, .gallery-grid, .timeline, .faq-list { display: grid; gap: 1rem; }
.stat-grid { grid-template-columns: repeat(4, 1fr); margin-top: 1.5rem; }
.stat { min-height: 120px; padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.stat b { display: block; color: var(--acid); font: 800 1.1rem/1.2 ui-monospace, Consolas, monospace; }
.stat span { display: block; margin-top: .6rem; color: var(--muted); font-size: .87rem; }
.content-grid { grid-template-columns: repeat(3, 1fr); }
.content-grid.two { grid-template-columns: repeat(2, 1fr); }
.card { position: relative; padding: 1.3rem; border: 2px solid var(--violet); background: rgba(26,18,37,.82); box-shadow: 4px 4px 0 rgba(161,0,255,.18); }
.card::before { content: "FILE"; position: absolute; top: -.7rem; left: .8rem; padding: .12rem .35rem; background: var(--panel); color: var(--acid); font: 800 .6rem/1 "Courier New", monospace; }
.card p { margin: .75rem 0 0; color: var(--muted); }
.card ul { padding-left: 1.1rem; margin: .8rem 0 0; color: var(--muted); }
.card li + li { margin-top: .35rem; }
.works { display: grid; grid-template-columns: 1.15fr .85fr; gap: 1rem; }
.work-feature { position: relative; min-height: 345px; overflow: hidden; border: 2px solid var(--pink); background: var(--panel-2); box-shadow: 7px 7px 0 rgba(161,0,255,.55); }
.work-feature::after { content: "VHS // ARCHIVE PLAYBACK"; position: absolute; top: .7rem; right: .7rem; z-index: 2; padding: .25rem .4rem; border: 1px solid var(--acid); background: rgba(13,13,17,.82); color: var(--acid); font: 700 .6rem/1 "Courier New", monospace; }
.work-feature img { width: 100%; height: 100%; object-fit: cover; opacity: .7; filter: saturate(.7) contrast(1.1); transition: transform .35s ease, opacity .35s ease, filter .35s ease; }
.work-feature:hover img { transform: scale(1.045); opacity: .9; filter: saturate(1.1) contrast(1.15); }
.work-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.2rem; border-top: 2px solid var(--acid); background: rgba(13,13,17,.92); }
.work-caption p { margin: .45rem 0 0; color: #ddd5e4; font-size: .9rem; }
.work-stack { display: grid; grid-template-rows: repeat(2, 1fr); gap: 1rem; }
.work-small { min-height: 164px; }
.image-frame { overflow: hidden; border: 1px solid var(--line); background: #111; }
.image-frame img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.image-frame figcaption { padding: .75rem .9rem; color: var(--muted); font-size: .84rem; }
.index-grid { grid-template-columns: repeat(5, 1fr); }
.index-card { display: block; min-height: 178px; padding: 1.15rem; border: 1px solid var(--line); background: var(--panel); transition: border .16s ease, transform .16s ease; }
.index-card:hover { border-color: var(--acid); transform: translateY(-3px); }
.index-card .num { color: var(--pink); font: 800 .8rem/1 ui-monospace, Consolas, monospace; }
.index-card h3 { margin-top: .9rem; }
.index-card p { color: var(--muted); font-size: .9rem; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.step { counter-increment: step; padding: 1.3rem; border-top: 2px solid var(--violet); background: rgba(161,0,255,.08); }
.step::before { content: "0" counter(step); color: var(--acid); font: 800 .8rem/1 ui-monospace, Consolas, monospace; }
.step h3 { margin-top: .75rem; }
.step p { color: var(--muted); }
.timeline { grid-template-columns: 150px 1fr; max-width: 920px; }
.timeline time { color: var(--acid); font: 700 .86rem/1.4 ui-monospace, Consolas, monospace; padding-top: .25rem; }
.timeline article { padding: 0 0 1.4rem 1.2rem; border-left: 1px solid var(--line); }
.timeline article::before { content: ""; position: absolute; width: 8px; height: 8px; margin-left: -1.47rem; margin-top: .43rem; background: var(--pink); box-shadow: 0 0 10px var(--pink); }
.timeline p { color: var(--muted); margin: .4rem 0 0; }
.faq-list { grid-template-columns: repeat(2, 1fr); }
.faq-list details { border: 1px solid var(--line); background: rgba(255,255,255,.025); padding: 1rem 1.05rem; }
.faq-list summary { cursor: pointer; color: #fff; font-weight: 750; }
.faq-list p { color: var(--muted); margin: .9rem 0 .1rem; }
.article { max-width: 900px; }
.article h2 { margin-top: 2.6rem; }
.article h3 { margin-top: 1.45rem; }
.article p, .article li { color: #d3cddc; }
.article ul, .article ol { padding-left: 1.2rem; }
.article li + li { margin-top: .5rem; }
.page-hero { padding: 5rem 0 3.2rem; border-bottom: 2px solid var(--pink); background: var(--panel); box-shadow: inset 0 -4px 0 rgba(161,0,255,.32); }
.page-hero h1 { max-width: 800px; font-size: clamp(2.3rem, 5vw, 4.2rem); }
.page-hero p { max-width: 730px; color: #d9d1e2; font-size: 1.08rem; }
.crumbs { display: flex; flex-wrap: wrap; gap: .4rem; color: var(--muted); font-size: .85rem; margin-bottom: 1.5rem; }
.crumbs a { color: var(--acid); }
.notice { padding: 1rem 1.1rem; border: 1px solid rgba(57,255,20,.28); background: rgba(57,255,20,.055); color: #d9efd8; }
.page-meta { display: flex; flex-wrap: wrap; gap: .7rem 1.2rem; margin-top: 1.3rem; color: var(--muted); font-size: .86rem; }
.page-meta strong { color: var(--text); }
.return-row { margin-top: 3rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.site-footer { padding: 2.5rem 0; border-top: 2px solid var(--acid); background: var(--ink); }
.footer-grid > div:last-child { position: relative; padding: 1rem; border: 2px outset var(--violet); background: var(--panel); box-shadow: 4px 4px 0 rgba(255,0,127,.45); }
.footer-grid > div:last-child::before { content: "! LINK WINDOW"; position: absolute; top: -.72rem; left: .8rem; padding: .12rem .4rem; background: var(--pink); color: var(--ink); font: 800 .6rem/1 "Courier New", monospace; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 2rem; }
.footer-title { color: var(--acid); font: 800 .78rem/1 ui-monospace, Consolas, monospace; letter-spacing: .08em; }
.footer-copy, .footer-links { color: var(--muted); font-size: .9rem; }
.footer-links { display: grid; gap: .45rem; margin-top: .8rem; }
.footer-links a:hover { color: var(--acid); }
.footer-bottom { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: #85808c; font-size: .8rem; }
.not-found { min-height: 72vh; display: grid; place-items: center; text-align: center; }
.not-found h1 { color: var(--pink); }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.partner-card { display: flex; align-items: center; justify-content: space-between; gap: .7rem; min-height: 64px; padding: .8rem .9rem; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.partner-card:hover { border-color: var(--violet); }
.partner-card span { color: var(--text); font-size: .9rem; }
.partner-card code { color: var(--acid); font: .7rem/1.3 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; text-align: right; }

@media (max-width: 900px) {
  .site-nav { position: absolute; top: 68px; left: 0; right: 0; display: none; padding: .8rem 20px 1.1rem; flex-direction: column; align-items: flex-start; gap: .9rem; border-bottom: 1px solid var(--line); background: #12121a; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: grid; place-items: center; }
  .hero { min-height: auto; padding: 4rem 0; }
  .hero-grid, .works { grid-template-columns: 1fr; }
  .hero-panel { max-width: 650px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid, .content-grid.two, .faq-list { grid-template-columns: repeat(2, 1fr); }
  .index-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, var(--max)); }
  .header-inner { min-height: 60px; }
  .brand { min-width: 183px; height: 42px; font-size: .82rem; gap: .45rem; }
  .brand::after { width: 150px; }
  .brand-mark { width: 24px; height: 24px; font-size: .9rem; }
  .site-nav { top: 60px; padding-left: 14px; padding-right: 14px; }
  .hero { padding: 3.5rem 0; }
  h1 { font-size: 2.6rem; }
  .section { padding: 3.2rem 0; }
  .section-head { display: block; }
  .stat-grid, .content-grid, .content-grid.two, .index-grid, .faq-list { grid-template-columns: 1fr; }
  .work-feature { min-height: 270px; }
  .work-stack { grid-template-rows: auto; }
  .work-small { min-height: 220px; }
  .timeline { grid-template-columns: 1fr; gap: .35rem; }
  .timeline article { padding-left: 1rem; }
  .timeline article::before { margin-left: -1.28rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .partner-grid { grid-template-columns: 1fr; }
  .hero-cameras { grid-template-columns: 1fr 1fr; grid-template-rows: 1.15fr .65fr .65fr; }
  .camera-main { grid-column: span 2; grid-row: auto; }
  .camera-portrait { grid-column: auto; grid-row: auto; }
  .terminal-list li { grid-template-columns: 90px 1fr; }
}

@keyframes monitorFlicker { 0%, 67%, 100% { opacity: 1; } 68%, 71% { opacity: .25; } 72% { opacity: .8; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; } }