@charset "UTF-8";

:root {
  --asphalt: #07090e;
  --panel: #11151f;
  --cyan: #3cf0ff;
  --orange: #ff6a1a;
  --lime: #d6ff3c;
  --mute: #8b93a7;
  --foam: #f4f7ff;
  --hard: 6px 6px 0 rgba(0,0,0,0.45);
  --nav-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--foam);
  background: var(--asphalt);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
body::before {
  content: "";
  pointer-events: none;
  position: fixed; inset: 0; z-index: 40; opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body::after {
  content: "";
  pointer-events: none;
  position: fixed; inset: 0; z-index: 41;
  background: repeating-linear-gradient(transparent, transparent 3px, rgba(0,0,0,0.08) 3px 4px);
  mix-blend-mode: overlay; animation: js-scan 8s linear infinite;
}
a { color: inherit; text-decoration: none; }
button { border: 0; background: 0; font: inherit; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; padding: 0; }

@keyframes js-scan { to { transform: translateY(8px); } }
@keyframes js-marquee { to { transform: translateX(-50%); } }
@keyframes js-needle { 0%,100% { transform: rotate(-28deg); } 50% { transform: rotate(48deg); } }
@keyframes js-pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(60,240,255,0.45); } 70% { box-shadow: 0 0 0 14px rgba(60,240,255,0); } }
@keyframes js-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes js-blink { 0%,40%,100% { opacity: 1; } 50% { opacity: 0.15; } }
@keyframes js-check { to { background-position: 48px 0; } }
@keyframes js-dash { to { stroke-dashoffset: -240; } }
@keyframes js-glitch {
  0%,90%,100% { transform: none; text-shadow: none; }
  92% { transform: translate(-2px, 1px); text-shadow: 2px 0 var(--cyan), -2px 0 var(--orange); }
  94% { transform: translate(2px, -1px); }
}
@keyframes js-zoom {
  0% { transform: translateZ(-400px) scale(0.6); opacity: 0.2; }
  100% { transform: translateZ(80px) scale(1.15); opacity: 0; }
}
@keyframes js-spin { to { transform: rotate(360deg); } }
@keyframes js-led { 0%,80%,100% { opacity: 1; } 85% { opacity: 0.4; } }
@keyframes js-rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes js-flip-in { from { transform: rotateX(-80deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes js-wiggle { 0%,100% { transform: rotate(-6deg); } 50% { transform: rotate(6deg); } }

.js-hud {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 8px 16px;
  background: rgba(7,9,14,0.92);
  border-bottom: 1px solid rgba(60,240,255,0.25);
  backdrop-filter: blur(10px);
}
.js-brand { display: flex; gap: 10px; align-items: center; font-weight: 900; letter-spacing: 0.04em; }
.js-dial {
  width: 42px; height: 42px; border-radius: 50%;
  border: 3px solid var(--cyan);
  position: relative; box-shadow: var(--nav-shadow);
}
.js-dial i {
  position: absolute; left: 50%; bottom: 50%; width: 2px; height: 14px;
  background: var(--orange); transform-origin: bottom center;
  animation: js-needle 2.8s ease-in-out infinite;
}
.js-brand small { display: block; color: var(--cyan); font-size: 10px; letter-spacing: 0.22em; }
.js-meters { display: flex; justify-content: center; gap: 18px; font-size: 11px; letter-spacing: 0.18em; color: var(--mute); }
.js-meters b { color: var(--lime); animation: js-led 1.6s step-end infinite; }
.js-go {
  padding: 8px 16px; background: var(--lime); color: #111;
  font-size: 12px; font-weight: 900; letter-spacing: 0.14em;
  animation: js-pulse 1.8s ease-out infinite;
  box-shadow: var(--nav-shadow);
}

.js-board {
  background: #0c1018;
  padding: 28px 18px 22px;
  border-bottom: 4px solid var(--orange);
}
.js-board .row {
  max-width: 1100px; margin: 0 auto 8px;
  display: grid; grid-template-columns: 88px 1fr auto;
  gap: 12px; align-items: center;
  padding: 10px 14px;
  background: #151b28;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  letter-spacing: 0.08em;
  animation: js-led 3s step-end infinite;
}
.js-board .row:nth-child(2) { animation-delay: 0.4s; }
.js-board .row:nth-child(3) { animation-delay: 0.8s; background: #1a2436; }
.js-board .row span { color: var(--cyan); }
.js-board .row em { font-style: normal; color: var(--lime); }
.js-copy { max-width: 1100px; margin: 18px auto 0; }
.js-copy h1 {
  font-size: clamp(46px, 9vw, 88px);
  line-height: 0.86; letter-spacing: -0.06em;
  animation: js-glitch 4.5s infinite;
}
.js-copy h1 em {
  display: block; margin-top: 12px; font-style: normal;
  font-size: 0.28em; color: var(--orange); letter-spacing: 0; font-weight: 800; line-height: 1.4;
}
.js-copy .lede { margin-top: 14px; color: var(--mute); max-width: 38em; }
.js-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.js-btns a {
  padding: 12px 18px; font-size: 13px; font-weight: 900;
}
.js-btns .a { background: var(--lime); color: #111; box-shadow: var(--hard); }
.js-btns .b { background: var(--orange); color: #fff; box-shadow: var(--hard); }
.js-btns .c { border: 1px solid var(--cyan); color: var(--cyan); }

.js-tunnel {
  position: relative; height: min(78vh, 640px);
  perspective: 700px; overflow: hidden;
  background: radial-gradient(ellipse at center, #1a2233, #07090e);
}
.js-rails {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(to top, transparent 0 38px, rgba(60,240,255,0.08) 38px 40px);
  transform: rotateX(58deg) scale(1.4);
  transform-origin: center bottom;
  animation: js-scan 4s linear infinite;
}
.js-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.js-svg path {
  fill: none; stroke: var(--cyan); stroke-width: 2; opacity: 0.45;
  stroke-dasharray: 12 16; animation: js-dash 1.2s linear infinite;
}
.js-bill {
  position: absolute; width: 160px;
  border: 3px solid var(--cyan);
  box-shadow: 0 0 24px rgba(60,240,255,0.25);
  animation: js-zoom 6s linear infinite;
}
.js-bill img { width: 154px; height: 210px; object-fit: cover; }
.js-bill.d1 { left: 12%; animation-delay: 0s; }
.js-bill.d2 { left: 42%; animation-delay: 2s; width: 140px; }
.js-bill.d2 img { width: 134px; height: 180px; }
.js-bill.d3 { left: 68%; animation-delay: 4s; }
.js-chip {
  position: absolute; z-index: 3; padding: 10px 12px;
  background: rgba(17,21,31,0.9); border: 1px solid var(--cyan);
  animation: js-float 3s ease-in-out infinite;
  box-shadow: var(--hard);
}
.js-chip strong { display: block; color: var(--lime); font-size: 12px; }
.js-chip.a { left: 8%; top: 18%; }
.js-chip.b { right: 10%; top: 28%; animation-delay: 0.8s; border-color: var(--orange); }
.js-chip.c { left: 40%; bottom: 16%; animation-delay: 1.4s; border-color: var(--lime); }

.js-marq {
  overflow: hidden; background: var(--orange); color: #111;
  font-weight: 900; letter-spacing: 0.2em; font-size: 13px;
  padding: 10px 0; white-space: nowrap;
}
.js-marq p { display: inline-block; min-width: 200%; animation: js-marquee 18s linear infinite; }

.js-chev { position: relative; }
.js-wedge {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  min-height: 240px;
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
}
.js-wedge.reverse { grid-template-columns: 0.9fr 1.1fr; clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 92%); }
.js-wedge .txt { padding: 48px 28px; }
.js-wedge h2 { font-size: clamp(26px, 4vw, 40px); margin-bottom: 10px; }
.js-wedge.cyan { background: var(--cyan); color: #071018; }
.js-wedge.orange { background: var(--orange); color: #fff; }
.js-wedge.lime { background: var(--lime); color: #111; }
.js-wedge img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; filter: contrast(1.05) saturate(1.1); }
.js-in { animation: js-rise 0.7s ease both; }
.js-in.is-in { animation-name: js-rise; }

.js-flips {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--panel);
}
.js-flip {
  min-height: 280px; padding: 28px 22px;
  border-right: 1px solid rgba(60,240,255,0.15);
  transform-style: preserve-3d;
  transition: transform 0.6s;
  position: relative;
}
.js-flip:hover { transform: rotateY(180deg); }
.js-flip .face, .js-flip .back {
  backface-visibility: hidden;
}
.js-flip .back {
  position: absolute; inset: 28px 22px;
  transform: rotateY(180deg);
  color: var(--cyan);
}
.js-flip b {
  display: block; font-size: 42px; color: var(--orange);
  animation: js-blink 2.4s step-end infinite;
}
.js-flip h3 { font-size: 22px; margin: 8px 0; }

.js-film {
  overflow: hidden; padding: 28px 0;
  background: #0a0d14;
  border-top: 8px dashed var(--lime);
  border-bottom: 8px dashed var(--lime);
}
.js-film-track {
  display: flex; gap: 16px; width: max-content;
  animation: js-marquee 28s linear infinite;
}
.js-film figure {
  width: 188px; background: #000; padding: 8px 8px 16px;
  border: 2px solid #2a3144;
}
.js-film img { width: 172px; height: 230px; object-fit: cover; }
.js-film figcaption { font-size: 11px; color: var(--mute); margin-top: 6px; text-align: center; }

.js-pit {
  max-width: 820px; margin: 0 auto; padding: 64px 20px;
}
.js-pit h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 24px; }
.js-lane { display: grid; grid-template-columns: 40px 1fr; gap: 8px 16px; }
.js-spine {
  width: 4px; background: var(--cyan);
  margin: 0 auto;
  animation: js-led 1.2s step-end infinite;
}
.js-stops { display: grid; gap: 14px; }
.js-card {
  background: var(--panel); padding: 18px 20px;
  border-left: 4px solid var(--lime);
}
.js-card.is-in { animation: js-flip-in 0.7s ease both; }

.js-radio {
  background: #0e131c;
  padding: 48px 18px 64px;
}
.js-radio h2 { max-width: 1100px; margin: 0 auto 8px; font-size: clamp(28px, 4vw, 40px); }
.js-radio .hint { max-width: 1100px; margin: 0 auto 20px; color: var(--mute); }
.js-ticker {
  overflow: hidden;
  border-top: 1px solid rgba(60,240,255,0.2);
  border-bottom: 1px solid rgba(60,240,255,0.2);
  padding: 12px 0; margin-bottom: 24px;
}
.js-ticker p {
  display: inline-block; min-width: 200%; white-space: nowrap;
  animation: js-marquee 22s linear infinite;
  color: var(--cyan); font-size: 13px;
}
.js-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}
.js-quote {
  background: var(--panel); padding: 22px;
  border: 1px solid rgba(255,106,26,0.4);
  animation: js-float 5s ease-in-out infinite;
}
.js-quote time { display: block; color: var(--orange); font-size: 12px; margin-bottom: 8px; }
.js-ask {
  background: var(--cyan); color: #071018; padding: 22px;
  transform: rotate(1.2deg);
  animation: js-wiggle 7s ease-in-out infinite;
}
.js-ask b { display: block; margin-bottom: 6px; }
.js-stack { display: grid; gap: 12px; }
.js-stack article {
  background: #161c2a; padding: 16px;
  border-left: 3px solid var(--lime);
}

.js-finish {
  position: relative; padding: 56px 20px 72px; text-align: center;
  background: repeating-linear-gradient(90deg, #111 0 24px, #eee 24px 48px);
  background-size: 48px 100%;
  animation: js-check 0.8s linear infinite;
}
.js-finish .inner {
  background: rgba(7,9,14,0.88); padding: 36px 24px;
  max-width: 720px; margin: 0 auto;
}
.js-finish h2 { font-size: clamp(32px, 5vw, 48px); margin-bottom: 10px; }
.js-ring {
  width: 72px; height: 72px; margin: 0 auto 16px;
  border: 4px dashed var(--lime);
  border-radius: 50%;
  animation: js-spin 6s linear infinite;
}

.js-foot {
  padding: 18px 20px 40px;
  display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: space-between;
  font-size: 12px; color: var(--mute);
}

.js-wait { opacity: 0; transform: translateY(24px); }
.js-wait.is-in { animation: js-rise 0.65s ease forwards; }

@media (max-width: 860px) {
  .js-meters { display: none; }
  .js-hud { grid-template-columns: 1fr auto; }
  .js-wedge, .js-wedge.reverse, .js-flips, .js-grid, .js-pit { grid-template-columns: 1fr; }
  .js-wedge, .js-wedge.reverse { clip-path: none; }
  .js-flip:hover { transform: none; }
  .js-bill.d3 { display: none; }
  .js-chip.c { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  html { scroll-behavior: auto; }
  body::after { display: none; }
}