:root {
  --alum: #d7dce2;
  --brush: #d0d5db;
  --panel: #eef1f4;
  --steel: #7a8694;
  --chrome: #b7c0c9;
  --graphite: #1b222a;
  --gun: #2a333d;
  --ice: #5aa7bc;
  --ice-deep: #3d879b;
  --led: #3ecf9a;
  --ink: #1b222a;
  --mute: #5e6a76;
  --white: #f7f9fb;
  --font-display: "Bahnschrift", "Segoe UI Semibold", "Microsoft YaHei", sans-serif;
  --font-body: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", "Microsoft YaHei", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    linear-gradient(180deg, #cfd5dc 0%, var(--alum) 28%, #e9edf1 100%);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }

.led-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  border-bottom: 1px solid rgba(122, 134, 148, 0.35);
  background: linear-gradient(180deg, #e8ecef, #d0d5db);
}
.led-strip .dots { display: flex; gap: 0.45rem; align-items: center; }
.led-strip i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--steel);
  display: inline-block;
}
.led-strip i.on { background: var(--led); box-shadow: 0 0 8px rgba(62, 207, 154, 0.7); }
.led-strip i.ice { background: var(--ice); box-shadow: 0 0 8px rgba(90, 167, 188, 0.65); }

.metal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand-chip {
  width: 42px;
  height: 28px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  background: linear-gradient(180deg, #4a5560, var(--graphite));
  border: 1px solid #0f1419;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 6px 14px rgba(27,34,42,0.25);
}
.brand b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--steel);
  letter-spacing: 0.1em;
}
.nav { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--mute);
  border-bottom: 1px solid transparent;
}
.nav a.on, .nav a:hover { color: var(--ice-deep); border-color: var(--ice); }
.hw-cta {
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(180deg, #3a4550, var(--graphite));
  border: 1px solid #0f1419;
  border-radius: 3px;
  white-space: nowrap;
}

/* Hero: conference-bar chassis + camera feed slot below */
.hero-hw {
  padding-bottom: 1.2rem;
}
.conference-bar {
  border-radius: 18px;
  padding: 1.15rem 1.2rem 1.25rem;
  background:
    linear-gradient(180deg, #f4f6f8 0%, #cfd6dd 48%, #b8c1cb 100%);
  border: 1px solid #9aa5b1;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.75),
    inset 0 -1px 0 rgba(27,34,42,0.12),
    0 18px 36px rgba(27,34,42,0.12);
  position: relative;
}
.conference-bar::before {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  top: 8px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, #2a333d, #5aa7bc, #2a333d);
  box-shadow: 0 0 10px rgba(90,167,188,0.45);
}
.bar-grid {
  display: grid;
  grid-template-columns: 1.35fr auto;
  gap: 1rem;
  align-items: end;
  margin-top: 0.55rem;
}
.bar-copy .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ice-deep);
  margin-bottom: 0.4rem;
}
.bar-copy h1 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.lead {
  margin: 0 0 1rem;
  color: var(--mute);
  max-width: 36rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 44px;
  padding: 0.65rem 1.05rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
  word-break: keep-all;
  writing-mode: horizontal-tb;
  border: 1px solid #1b222a;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-fill {
  color: #fff;
  background: linear-gradient(180deg, #4e5b67, var(--graphite));
}
.btn-ice {
  color: #fff;
  background: linear-gradient(180deg, #74c0d2, var(--ice-deep));
  border-color: #2f6d7d;
}
.btn-line {
  color: var(--ink);
  background: linear-gradient(180deg, #f7f9fb, #d0d5db);
}
.req {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.req p {
  margin: 0;
  padding: 0.55rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--mute);
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(122,134,148,0.35);
  border-radius: 3px;
}
.req b { display: block; color: var(--ink); margin-bottom: 0.1rem; }
.bar-status {
  min-width: 150px;
  padding: 0.85rem 0.8rem;
  border-radius: 8px;
  background: linear-gradient(180deg, #2f3842, #1b222a);
  color: #d7dee5;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.bar-status strong {
  display: block;
  color: var(--led);
  margin-bottom: 0.45rem;
  letter-spacing: 0.08em;
}
.bar-status span { display: block; opacity: 0.8; margin: 0.2rem 0; }

.camera-slot {
  margin-top: 0.75rem;
  padding: 0.55rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #3a4450, #1b222a);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), 0 10px 24px rgba(27,34,42,0.2);
}
.hero-media {
  align-self: center;
  margin: 0;
  padding: 0;
  height: auto;
  overflow: visible;
  border-radius: 8px;
  background: #0f1419;
}
.hero-media img,
.frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  margin: 0;
  padding: 0;
  min-height: 0;
  max-height: none;
  clip-path: none;
  transform: none;
}

.sec { padding: 2.6rem 0; }
.sec-h {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(27,34,42,0.2);
}
.sec-h h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
}
.sec-h p { margin: 0; color: var(--mute); max-width: 34rem; font-size: 0.95rem; }
.k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ice-deep);
}

/* Download as RACK blades — not cards / table / mosaic */
.rack {
  border: 1px solid #8b959e;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(180deg, #2a333d, #1b222a);
  box-shadow: 0 16px 34px rgba(27,34,42,0.18);
}
.blade {
  display: grid;
  grid-template-columns: 120px 1.1fr 1fr 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #dce3ea;
}
.blade:last-child { border-bottom: 0; }
.blade:hover { background: rgba(90,167,188,0.08); }
.blade .os {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #fff;
}
.blade .meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(220,227,234,0.75);
}
.blade .meta b { color: #fff; font-weight: 600; }
.blade .btn { min-width: 120px; min-height: 38px; padding: 0.45rem 0.75rem; }

/* Solution as meeting room product deck */
.deck {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0.85rem;
}
.deck-copy {
  padding: 1.35rem 1.2rem;
  border-radius: 12px;
  background: linear-gradient(160deg, #2f3842, #1b222a);
  color: rgba(232,238,242,0.88);
  border: 1px solid #0f1419;
}
.deck-copy .k { color: var(--ice); }
.deck-copy h2 {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.45rem;
}
.deck-copy p { margin: 0 0 0.8rem; }
.screens {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  grid-template-rows: auto auto;
  gap: 0.7rem;
}
.frame {
  margin: 0;
  padding: 0.4rem;
  border-radius: 10px;
  background: linear-gradient(180deg, #3a4450, #1b222a);
  border: 1px solid #0f1419;
}
.frame img { border-radius: 4px; background: #fff; }
.screens .frame:first-child { grid-row: 1 / span 2; }

/* Features as LED module strip */
.led-modules {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.55rem;
  padding: 0.55rem;
  border-radius: 10px;
  background: linear-gradient(180deg, #cfd6dd, #b7c0c9);
  border: 1px solid #9aa5b1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
}
.mod {
  background: linear-gradient(180deg, #f7f9fb, #dfe4e9);
  border: 1px solid #9aa5b1;
  border-radius: 6px;
  padding: 0.95rem 0.75rem;
  text-align: center;
}
.mod .ico {
  width: 36px;
  height: 10px;
  margin: 0 auto 0.7rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gun), var(--ice), var(--gun));
  box-shadow: 0 0 8px rgba(90,167,188,0.35);
}
.mod h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
}
.mod p {
  margin: 0;
  color: var(--mute);
  font-size: 0.84rem;
}

/* Trust as engraved plate */
.plate {
  padding: 1.5rem 1.2rem;
  border-radius: 12px;
  text-align: center;
  background:
    linear-gradient(180deg, #eef1f4, #cfd6dd);
  border: 1px solid #9aa5b1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}
.plate .big {
  margin: 0.35rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
}
.plate .big em { font-style: normal; color: var(--ice-deep); }
.plate p { margin: 0 auto; max-width: 38rem; color: var(--mute); }
.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.brands span {
  padding: 0.45rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid #9aa5b1;
  background: rgba(247,249,251,0.8);
  border-radius: 3px;
}

.metal-panel {
  border: 1px solid #9aa5b1;
  border-radius: 10px;
  background: linear-gradient(180deg, #f4f6f8, #dfe4e9);
  padding: 1.15rem 1.1rem;
  margin-bottom: 0.85rem;
}
.help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.help-grid details {
  background: rgba(255,255,255,0.65);
  border: 1px solid #b7c0c9;
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
}
.help-grid summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
}
.help-grid p { margin: 0.4rem 0 0; color: var(--mute); font-size: 0.9rem; }
.news-list article {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed rgba(122,134,148,0.45);
}
.news-list article:last-child { border-bottom: 0; }
.news-list time {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ice-deep);
}
.news-list h3 { margin: 0 0 0.2rem; font-size: 1rem; font-family: var(--font-display); }
.news-list p { margin: 0; color: var(--mute); font-size: 0.9rem; }
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.cta-hw {
  margin: 1.1rem 0 2.2rem;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #0f1419;
  background: linear-gradient(135deg, #1b222a, #2f3842);
  color: #fff;
}
.cta-hw .left { padding: 1.45rem 1.25rem; }
.cta-hw h2 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
}
.cta-hw p { margin: 0 0 1rem; color: rgba(255,255,255,0.75); }
.gains {
  margin: 0;
  padding: 1.2rem;
  list-style: none;
  border-left: 1px solid rgba(255,255,255,0.12);
  display: grid;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.gains li {
  padding: 0.55rem 0.65rem;
  border: 1px solid rgba(90,167,188,0.35);
  background: rgba(90,167,188,0.1);
  border-radius: 3px;
}

.foot {
  padding: 1.1rem 0 1.8rem;
  border-top: 1px solid rgba(27,34,42,0.18);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--steel);
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
}
.foot a { color: var(--ice-deep); font-weight: 700; }

@media (max-width: 980px) {
  .bar-grid, .deck, .cta-hw, .help-grid, .media-row, .news-list article { grid-template-columns: 1fr; }
  .blade { grid-template-columns: 1fr 1fr; }
  .blade .btn { grid-column: 1 / -1; width: 100%; }
  .led-modules { grid-template-columns: 1fr 1fr; }
  .screens { grid-template-columns: 1fr; }
  .screens .frame:first-child { grid-row: auto; }
  .gains { border-left: 0; border-top: 1px solid rgba(255,255,255,0.12); }
  .nav { display: none; }
}
@media (max-width: 640px) {
  .req, .led-modules, .blade { grid-template-columns: 1fr; }
  .actions { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}

/* Hero final overrides */
.hero-hw .conference-bar { align-items: center; }
.hero-media,
.frame {
  align-self: center;
  height: auto;
  margin-top: 0;
  margin-bottom: 0;
  overflow: visible;
}
.hero-media img,
.frame img {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  max-height: none !important;
  clip-path: none !important;
  transform: none !important;
}
.btn {
  white-space: nowrap !important;
  word-break: keep-all !important;
  writing-mode: horizontal-tb !important;
}