/* 炭灰暗色 · 私有部署方案 */
:root {
  --bg: #121417;
  --panel: #1a1e24;
  --panel-2: #222830;
  --ink: #e8ecf2;
  --mute: #9aa3b2;
  --line: rgba(160, 175, 195, 0.18);
  --amber: #d4a35a;
  --amber-deep: #b8843c;
  --steel: #7f93a8;
  --ok: #6fbf9a;
  --danger: #d27a6a;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius: 8px;
  --font-display: "Bahnschrift", "Segoe UI Variable Display", "Microsoft YaHei UI", sans-serif;
  --font-body: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --font-mono: "Cascadia Mono", "Consolas", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(212, 163, 90, 0.08), transparent 55%),
    radial-gradient(700px 480px at 10% 30%, rgba(127, 147, 168, 0.08), transparent 50%),
    linear-gradient(180deg, #0e1013, var(--bg) 40%, #101317);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; margin: 0 0 0.55rem; letter-spacing: 0.02em; }
p { margin: 0 0 0.85rem; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.deploy > * { position: relative; z-index: 1; }

/* scanline subtle */
.scan {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0 3px,
      rgba(255,255,255,0.012) 3px 4px
    );
  opacity: 0.5;
}

/* top ops bar */
.ops-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.35rem;
  border-bottom: 1px solid var(--line);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}
.badge {
  width: 40px; height: 40px;
  border-radius: 6px;
  border: 1px solid var(--amber);
  display: grid; place-items: center;
  color: var(--amber);
  font-weight: 800;
  background: rgba(212, 163, 90, 0.08);
  font-family: var(--font-mono);
}
.logo b { display: block; font-size: 1.08rem; }
.logo small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mute);
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.95rem;
  font-size: 0.92rem;
}
.nav a { color: var(--mute); }
.nav a:hover, .nav a.on { color: var(--ink); }
.nav a.on {
  box-shadow: inset 0 -2px 0 var(--amber);
}
.deploy-chip {
  padding: 0.48rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* HERO — private deploy console */
.console-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.3rem;
  align-items: center;
  min-height: min(74vh, 700px);
  padding: 1.5rem 0 2.3rem;
}
.console {
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.3rem 1.45rem;
  position: relative;
}
.console::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--amber), transparent);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--ok);
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}
.status i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px rgba(111, 191, 154, 0.55);
  display: inline-block;
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}
.console-hero h1 {
  font-size: clamp(1.95rem, 3.9vw, 3rem);
  max-width: 10ch;
}
.lead { color: var(--mute); font-size: 1.03rem; max-width: 40ch; }
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.15rem 0 0.95rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 0.78rem 1.15rem;
  border-radius: 4px;
  font-weight: 700;
  white-space: nowrap;
  word-break: keep-all;
  writing-mode: horizontal-tb;
  border: 1px solid transparent;
  transition: transform 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-amber {
  background: linear-gradient(180deg, #e0b56a, var(--amber-deep));
  color: #1a140c;
  box-shadow: 0 10px 24px rgba(184, 132, 60, 0.28);
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.req {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
}
.req p {
  margin: 0;
  padding: 0.65rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  font-size: 0.86rem;
  color: var(--mute);
}
.req b {
  display: block;
  color: var(--ink);
  font-size: 0.76rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.viewport {
  align-self: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #0c0e12;
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* sections */
.sec { padding: 2.9rem 0; }
.head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem 1rem;
  align-items: end;
  margin-bottom: 1.35rem;
}
.head .code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  border-left: 1px solid var(--line);
  padding-left: 0.45rem;
}
.head h2 { font-size: clamp(1.45rem, 2.5vw, 2rem); }
.head p { margin: 0; color: var(--mute); max-width: 50ch; }

/* download as server nodes — dense list */
.nodes {
  display: grid;
  gap: 0.65rem;
}
.node {
  display: grid;
  grid-template-columns: 96px 1.1fr 1.2fr 1fr auto;
  gap: 0.8rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow);
}
.node .host {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #0e1013;
  background: var(--amber);
  text-align: center;
  padding: 0.55rem 0.3rem;
  border-radius: 4px;
  font-weight: 700;
}
.node:nth-child(2) .host { background: #c9a05a; }
.node:nth-child(3) .host { background: #a8895a; color: #fff; }
.node:nth-child(4) .host { background: #8f7858; color: #fff; }
.node .os { font-size: 1.1rem; margin: 0; font-weight: 700; }
.node .meta { margin: 0; color: var(--mute); font-size: 0.9rem; }
.node .meta b { color: var(--ink); }
.node .btn { min-width: 120px; }

/* capability matrix */
.matrix {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.cell {
  padding: 1.2rem 0.95rem 1.3rem;
  border-right: 1px solid var(--line);
  text-align: left;
}
.cell:last-child { border-right: 0; }
.cell .ico {
  width: 40px; height: 40px;
  border-radius: 6px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: rgba(212, 163, 90, 0.08);
  color: var(--amber);
  font-weight: 800;
  margin-bottom: 0.7rem;
}
.cell h3 { font-size: 1rem; }
.cell p { margin: 0; color: var(--mute); font-size: 0.86rem; }

/* architecture solution */
.arch {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.1rem;
}
.spec {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.3rem;
  box-shadow: var(--shadow);
}
.spec h2 { font-size: 1.55rem; }
.spec p { color: var(--mute); }
.bullets {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.bullets li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 0.55rem;
  align-items: start;
  font-size: 0.95rem;
}
.bullets li::before {
  content: "";
  width: 8px; height: 8px;
  margin-top: 0.45rem;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(212, 163, 90, 0.18);
}
.gallery {
  display: grid;
  grid-template-rows: 1.15fr auto;
  gap: 0.7rem;
}
.shot {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0c0e12;
  box-shadow: var(--shadow);
}
.shot-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

/* trust */
.trust {
  text-align: center;
  padding: 2.1rem 1.2rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 0%, rgba(212, 163, 90, 0.1), transparent 50%),
    var(--panel);
  box-shadow: var(--shadow);
}
.trust .big {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  margin-bottom: 0.3rem;
}
.trust .big em {
  font-style: normal;
  color: var(--amber);
}
.trust .sub { color: var(--mute); margin-bottom: 1.15rem; }
.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.brands span {
  padding: 0.42rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.22);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

/* ops log + help */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0.85rem;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-h {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.18);
}
.panel-h h2 { font-size: 1.18rem; margin: 0; }
.panel-h a { color: var(--amber); font-size: 0.88rem; font-weight: 700; }
.log {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid rgba(160, 175, 195, 0.12);
}
.log:last-child { border-bottom: 0; }
.log time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}
.log h3 { font-size: 0.98rem; margin-bottom: 0.2rem; }
.log p { margin: 0; color: var(--mute); font-size: 0.88rem; }
.faq details {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid rgba(160, 175, 195, 0.12);
}
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "> ";
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.faq p { color: var(--mute); margin: 0.5rem 0 0.1rem; font-size: 0.92rem; }

/* deploy CTA */
.rollout {
  margin: 0.5rem 0 2.7rem;
  padding: 1.6rem 1.35rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(212, 163, 90, 0.1), transparent 45%),
    var(--panel);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
  align-items: center;
}
.rollout h2 { font-size: clamp(1.35rem, 2.3vw, 1.8rem); }
.gains {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}
.gains li {
  color: var(--mute);
  padding-left: 1rem;
  position: relative;
  font-size: 0.95rem;
}
.gains li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 7px; height: 7px;
  background: var(--ok);
}

.foot {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--mute);
  font-size: 0.88rem;
}
.foot nav { display: flex; gap: 1rem; }

.page-hero {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 1.15rem;
  align-items: center;
  padding: 1.5rem 0 1rem;
}
.page-hero h1 { font-size: clamp(1.7rem, 3.3vw, 2.45rem); max-width: 12ch; }

@media (max-width: 980px) {
  .console-hero, .arch, .split, .rollout, .page-hero { grid-template-columns: 1fr; }
  .node { grid-template-columns: 1fr; }
  .matrix { grid-template-columns: 1fr 1fr; }
  .cell { border-bottom: 1px solid var(--line); }
  .cell:nth-child(even) { border-right: 0; }
  .deploy-chip { display: none; }
}
@media (max-width: 640px) {
  .matrix, .req, .shot-row { grid-template-columns: 1fr; }
  .cell { border-right: 0 !important; }
  .head { grid-template-columns: 1fr; }
  .head .code { writing-mode: horizontal-tb; transform: none; border-left: 0; border-bottom: 1px solid var(--line); padding: 0 0 0.3rem; width: max-content; }
  .actions .btn { flex: 1 1 100%; }
  .node .btn { width: 100%; }
}

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

/* ===== Hero image hard rules ===== */
.console-hero,
.page-hero { align-items: center; }
.viewport {
  align-self: center;
  height: auto;
  padding: 0;
  margin: 0;
}
.viewport img,
.hero-media 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;
}