:root {
  --bg: #05070c;
  --text: #f4f7fb;
  --muted: #8ea0b5;
  --ice: #8fd4ff;
  --ice-2: #3ec6ff;
  --line: rgba(143, 212, 255, 0.28);
  --green: #3dff9a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; background: var(--bg); color: var(--text); overflow-x: hidden; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, .btn { font-family: inherit; }

.nav {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1360px, calc(100% - 64px));
  margin: 0 auto;
  padding: 22px 0 8px;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; letter-spacing: 0.16em; font-weight: 700; font-size: 15px; }
.brand svg { display: block; filter: drop-shadow(0 0 8px rgba(62, 198, 255, 0.65)); }
.links { display: flex; align-items: center; gap: 28px; color: #c5d0dc; font-size: 14px; }
.links a:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 18px; margin-left: 12px; }
.ghost-link { color: #d5dee8; font-size: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; font-size: 14px; transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease, background .25s ease;
}
.btn.primary {
  background: linear-gradient(180deg, #3aa0ff, #1a78f2);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(120, 190, 255, 0.35), 0 8px 24px rgba(26, 120, 242, 0.35);
}
.btn.primary:hover, .btn.line:hover {
  box-shadow: 0 0 0 1px rgba(168, 226, 255, 0.7), 0 0 28px rgba(80, 180, 255, 0.55);
  transform: translateY(-1px);
}
.btn.line {
  background: rgba(8, 14, 22, 0.45);
  border-color: rgba(190, 210, 230, 0.35);
  color: #f4f7fb;
}

.hero {
  position: relative;
  min-height: 980px;
  padding-bottom: 36px;
  isolation: isolate;
  overflow: hidden;
}
.hero-bg, .hero-veil, .particles { position: absolute; inset: 0; pointer-events: none; }
.hero-bg {
  background:
    radial-gradient(ellipse at 72% 36%, rgba(5, 7, 12, 0.05), rgba(5, 7, 12, 0.55) 46%, #05070c 78%),
    url("/assets/website/hero-bg.jpg") 72% 28% / 150% no-repeat;
  animation: trail 32s ease-in-out infinite alternate;
  z-index: -3;
}
.hero-veil {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 7, 12, 0.88) 0%, rgba(5, 7, 12, 0.45) 42%, rgba(5, 7, 12, 0.2) 70%, rgba(5, 7, 12, 0.55) 100%),
    radial-gradient(circle at 72% 38%, rgba(70, 160, 255, 0.18), transparent 36%);
  animation: breathe 7s ease-in-out infinite;
}
.particles span {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: #b7e4ff; opacity: 0.45; box-shadow: 0 0 8px #7ecbff;
  animation: float 9s ease-in-out infinite;
}
@keyframes trail { to { background-position: 52% 46%; transform: scale(1.06); } }
@keyframes breathe { 50% { opacity: 0.72; } }
@keyframes float {
  50% { transform: translate3d(8px, -14px, 0); opacity: 0.8; }
}

.hero-grid {
  width: min(1360px, calc(100% - 64px));
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 12px;
  align-items: start;
}
.eyebrow {
  margin: 54px 0 18px;
  color: #9eb0c3;
  letter-spacing: 0.28em;
  font-size: 13px;
  font-weight: 600;
}
h1 {
  margin: 0;
  font-size: 64px;
  line-height: 1.12;
  font-weight: 750;
  letter-spacing: 0.01em;
}
.lead { max-width: 460px; color: #b7c3d1; font-size: 15px; line-height: 1.75; margin: 22px 0 28px; }
.actions { display: flex; gap: 14px; }
.trust { display: flex; gap: 28px; margin-top: 36px; color: #d5dee8; font-size: 14px; }
.trust small { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.trust-item { display: flex; gap: 10px; align-items: flex-start; }
.trust svg { margin-top: 2px; flex: none; }

.stage { position: relative; height: 720px; }
.device { position: absolute; filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.45)); }
.tv { width: 500px; right: 24px; top: 0; z-index: 1; animation: hover 7s ease-in-out infinite; }
.laptop { width: 340px; left: 0; top: 292px; z-index: 2; animation: hover 8s ease-in-out infinite; animation-delay: -2s; }
.phone { width: 148px; right: 36px; top: 330px; z-index: 3; animation: hover 6.5s ease-in-out infinite; animation-delay: -4s; }
@keyframes hover { 50% { transform: translateY(-8px); } }

.bezel {
  background: linear-gradient(180deg, #1c2430, #0c1118);
  border: 1px solid rgba(180, 200, 220, 0.18);
  border-radius: 16px;
  padding: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 0 40px rgba(40, 120, 220, 0.12);
}
.screen {
  background:
    radial-gradient(circle at 50% 42%, rgba(40, 110, 190, 0.28), transparent 42%),
    linear-gradient(180deg, #07111c, #050910);
  border-radius: 8px;
  overflow: hidden;
  color: #e8eef5;
}
.tv .screen { min-height: 318px; padding: 14px 16px 12px; position: relative; }
.tv-stand {
  width: 92px; height: 28px; margin: 0 auto;
  background: linear-gradient(#2a3340, #121820);
  clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%);
}
.tv-foot { width: 150px; height: 8px; margin: -2px auto 0; border-radius: 0 0 8px 8px; background: #1a222c; }
.screen-top, .screen-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.mini-brand { display: flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: 0.12em; color: #d7e7f5; }
.event-name { font-size: 13px; font-weight: 650; }
.meta { color: #8ea4bb; font-size: 10px; margin-top: 3px; }
.run { display: flex; align-items: center; gap: 6px; color: var(--green); font-size: 11px; letter-spacing: 0.08em; }
.lamp {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: lamp 1.8s ease-in-out infinite;
}
@keyframes lamp { 50% { opacity: 0.35; box-shadow: 0 0 2px var(--green); } }
.clock-wrap { display: grid; grid-template-columns: 78px minmax(0, 1fr) 100px; align-items: start; gap: 8px; margin-top: 10px; }
.side-note { color: #9fb2c6; font-size: 10px; line-height: 1.25; }
.side-note b { display: block; color: #fff; font-size: 12px; margin-bottom: 4px; }
.level { text-align: center; color: #c5d4e4; letter-spacing: 0.22em; font-size: 13px; }
.clock {
  text-align: center;
  font-size: 64px;
  line-height: 0.95;
  font-weight: 680;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 24px rgba(140, 210, 255, 0.35);
}
.blinds { text-align: center; margin-top: 4px; color: #d5e6f4; }
.blinds small { display: block; color: #8ea4bb; letter-spacing: 0.16em; font-size: 10px; }
.blinds strong { font-size: 18px; font-weight: 650; }
.chip-row { display: flex; justify-content: center; gap: 10px; margin-top: 6px; color: #9fb2c6; font-size: 10px; }
.chip-row b { color: #fff; font-weight: 650; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; text-align: right; }
.stats div, .extra div { background: rgba(8, 18, 30, 0.55); border: 1px solid rgba(143, 212, 255, 0.12); border-radius: 8px; padding: 6px 8px; }
.stats small, .extra small { display: block; color: #8ea4bb; font-size: 10px; }
.stats b, .extra b { font-size: 13px; font-weight: 650; }
.extra { display: none; }

.laptop .bezel { border-radius: 12px 12px 4px 4px; padding: 8px 8px 6px; }
.laptop .screen { display: grid; grid-template-columns: 92px 1fr; height: 214px; }
.side { background: #071018; border-right: 1px solid rgba(143, 212, 255, 0.12); padding: 10px 8px; font-size: 11px; color: #9aafc3; }
.side b { display: block; color: #d7e6f4; font-size: 11px; margin-bottom: 10px; }
.side span { display: block; padding: 7px 6px; border-radius: 6px; }
.side .on { background: rgba(40, 120, 200, 0.28); color: #fff; }
.lap-main { padding: 10px 12px; }
.lap-main .screen-row strong { font-size: 12px; white-space: nowrap; }
.lap-main .clock { font-size: 42px; }
.pills { display: flex; gap: 6px; margin-top: 8px; }
.pills i {
  flex: 1; text-align: center; font-style: normal; font-size: 11px;
  border-radius: 6px; padding: 6px 0; background: #12304a; color: #d7ecff;
}
.pills i.stop { background: #3a2430; color: #ffb4bc; }
.base { height: 10px; margin: 0 28px; background: linear-gradient(#3a4553, #1a212b); border-radius: 0 0 10px 10px; }
.lip { height: 4px; margin: 0 8px; background: #121820; border-radius: 0 0 8px 8px; }

.phone .bezel { border-radius: 22px; padding: 8px; background: #0e141c; }
.phone .screen { height: 280px; border-radius: 16px; padding: 12px 10px; text-align: center; }
.phone .clock { font-size: 28px; }
.phone .pills { margin-top: 12px; }
.notch { width: 46px; height: 5px; border-radius: 4px; background: #1c2632; margin: 0 auto 8px; }

.orbit {
  position: absolute; left: 8px; right: 0; top: 548px; height: 168px; z-index: 1;
}
.orbit svg { width: 100%; height: 64px; overflow: visible; display: block; }
.orbit ellipse { fill: none; stroke: rgba(120, 200, 255, 0.55); stroke-width: 1.4; filter: drop-shadow(0 0 6px rgba(80, 180, 255, 0.8)); }
.flow {
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e9f7ff;
  box-shadow: 0 0 10px #8fd4ff;
  offset-path: path("M 48 46 A 300 26 0 1 1 648 46 A 300 26 0 1 1 48 46");
  offset-rotate: 0deg;
  animation: flow 10s linear infinite;
}
.flow.b { animation-delay: -3.3s; }
.flow.c { animation-delay: -6.6s; }
@keyframes flow { to { offset-distance: 100%; } }
.nodes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; text-align: center; }
.nodes small { display: block; letter-spacing: 0.14em; color: #9fd4ff; font-size: 11px; }
.nodes b { display: block; margin-top: 4px; font-size: 14px; }
.nodes span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.node-ico {
  width: 36px; height: 36px; margin: 0 auto 8px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(143, 212, 255, 0.45);
  background: rgba(8, 18, 30, 0.7);
  box-shadow: 0 0 16px rgba(80, 170, 255, 0.35);
}

.features {
  position: relative;
  padding: 28px 0 64px;
  background:
    linear-gradient(180deg, rgba(5, 7, 12, 0.2), rgba(5, 7, 12, 0.82)),
    url("/assets/website/features-bg.jpg") center / cover no-repeat;
}
.feature-grid {
  width: min(1360px, calc(100% - 64px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 10px;
  align-items: center;
  min-height: 210px;
  padding: 22px 18px;
  border-radius: 16px;
  background: rgba(8, 12, 18, 0.72);
  border: 1px solid rgba(143, 212, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}
.card .idx { color: #7eb6de; font-size: 12px; letter-spacing: 0.12em; }
.card h2 { margin: 8px 0 8px; font-size: 22px; }
.card p { margin: 0; color: #a9b8c8; font-size: 13px; line-height: 1.7; }
.more { display: inline-flex; margin-top: 14px; color: #9fd4ff; font-size: 13px; }
.mini { justify-self: end; }
.mini { transform: scale(0.92); transform-origin: right center; }
.mini.pad { width: 150px; }
.mini.hand { width: 86px; }
.mini.panel { width: 168px; }

.timeline {
  position: relative;
  margin: 0;
  min-height: 280px;
  padding: 42px 0 56px;
  background:
    linear-gradient(180deg, rgba(5, 7, 12, 0.55), rgba(5, 7, 12, 0.35) 40%, rgba(5, 7, 12, 0.72)),
    url("/assets/website/timeline-bg.jpg") center 60% / cover no-repeat;
}
.tl-head, .tl-track { width: min(1360px, calc(100% - 64px)); margin: 0 auto; }
.tl-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
.tl-head h2 { margin: 0 0 8px; font-size: 28px; }
.tl-head p { margin: 0; color: #c5d2e0; }
.tl-track { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); margin-top: 54px; }
.tl-track::before {
  content: "";
  position: absolute; left: 4%; right: 4%; top: 7px; height: 2px;
  background: linear-gradient(90deg, transparent, #7fd0ff, #7fd0ff, transparent);
  box-shadow: 0 0 12px rgba(120, 200, 255, 0.8);
}
.tl-node { text-align: center; opacity: 0.28; }
.tl-node i {
  display: block; width: 14px; height: 14px; margin: 0 auto 14px; border-radius: 50%;
  background: #071018; border: 2px solid #7fd0ff; box-shadow: 0 0 0 4px rgba(80, 160, 220, 0.15);
}
.tl-node b { display: block; font-size: 15px; }
.tl-node span { display: block; margin-top: 6px; color: #b7c6d6; font-size: 12px; letter-spacing: 0.06em; }
.timeline.in .tl-node { animation: nodeOn .7s ease forwards; }
.timeline.in .tl-node:nth-child(2) { animation-delay: .18s; }
.timeline.in .tl-node:nth-child(3) { animation-delay: .36s; }
.timeline.in .tl-node:nth-child(4) { animation-delay: .54s; }
.timeline.in .tl-node:nth-child(5) { animation-delay: .72s; }
.timeline.in .tl-node:nth-child(6) { animation-delay: .9s; }
.timeline.in .tl-node:nth-child(3) b { color: #9fd4ff; }
@keyframes nodeOn { to { opacity: 1; } }
.tl-node.on i { background: #9fe4ff; box-shadow: 0 0 16px #7fd0ff; }

.reveal { opacity: 0; transform: translateY(18px); animation: rise .8s ease forwards; }
.reveal.d1 { animation-delay: .08s; }
.reveal.d2 { animation-delay: .16s; }
.reveal.d3 { animation-delay: .28s; }
.features .card { opacity: 0; transform: translateY(16px); }
.features.in .card { animation: rise .7s ease forwards; }
.features.in .card:nth-child(2) { animation-delay: .12s; }
.features.in .card:nth-child(3) { animation-delay: .24s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (max-width: 1100px) {
  h1 { font-size: 44px; }
  .hero-grid, .feature-grid, .links { display: block; }
  .links a, .nav-cta { display: inline-flex; margin: 8px 12px 0 0; }
  .stage { height: auto; }
  .tv, .laptop, .phone { position: relative; right: auto; left: auto; top: auto; width: min(100%, 520px); margin: 16px auto; }
  .orbit { position: relative; top: auto; left: auto; right: auto; }
  .clock { font-size: 56px; }
  .tl-track { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .tl-track::before { display: none; }
  .card { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal, .features .card, .tl-node { opacity: 1; transform: none; }
  .hero-bg { transform: none; }
}