/* Site Deploy — warm charcoal launch studio. Not shared with B2B App or other NX sites. */
:root {
  --bg: #14100c;
  --bg2: #1c1611;
  --panel: #241c15;
  --line: #3d3228;
  --ink: #f3ebe2;
  --mute: #b29a84;
  --acc: #e4a24a;
  --acc2: #f0c98a;
  --warn: #e4a24a;
  --btn: #1a120c;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 88% -20%, rgba(228,162,74,.18), transparent 58%),
    linear-gradient(180deg, #1a1410 0%, var(--bg) 28%);
  font-family: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.t { display: none; }
html[data-lang="zh"] .t[data-l="zh"],
html[data-lang="zh-Hant"] .t[data-l="zh-Hant"],
html[data-lang="en"] .t[data-l="en"] { display: inline; }
html[data-lang="zh"] article.t[data-l="zh"],
html[data-lang="zh-Hant"] article.t[data-l="zh-Hant"],
html[data-lang="en"] article.t[data-l="en"],
html[data-lang="zh"] p.t[data-l="zh"],
html[data-lang="zh-Hant"] p.t[data-l="zh-Hant"],
html[data-lang="en"] p.t[data-l="en"],
html[data-lang="zh"] h1.t[data-l="zh"],
html[data-lang="zh-Hant"] h1.t[data-l="zh-Hant"],
html[data-lang="en"] h1.t[data-l="en"],
html[data-lang="zh"] h2.t[data-l="zh"],
html[data-lang="zh-Hant"] h2.t[data-l="zh-Hant"],
html[data-lang="en"] h2.t[data-l="en"],
html[data-lang="zh"] li.t[data-l="zh"],
html[data-lang="zh-Hant"] li.t[data-l="zh-Hant"],
html[data-lang="en"] li.t[data-l="en"] { display: block; }
.wrap { width: min(1180px, calc(100% - 2.2rem)); margin: 0 auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 9; background: var(--acc); color: var(--btn); padding: .5rem .8rem; }

.mast {
  position: sticky; top: 0; z-index: 8;
  background: rgba(20,16,12,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.mast-row {
  display: flex; align-items: center; gap: 1.4rem;
  padding: .85rem 0;
}
.brand-lock {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none; color: inherit; min-width: 0;
}
.brand-lock .mark {
  width: 36px; height: 36px; flex: 0 0 36px;
  border-radius: 9px; background: #0e0b08;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--acc) 38%, transparent);
}
.wordmark {
  display: flex; flex-direction: column; gap: .14rem;
  letter-spacing: .16em;
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-weight: 700; font-size: .8rem; text-transform: uppercase;
  color: var(--ink); line-height: 1.1;
}
.wordmark > span { white-space: nowrap; }
.wordmark i { color: var(--acc); font-style: normal; }
.wordmark small {
  color: var(--mute); letter-spacing: .08em; font-size: .62rem;
  font-weight: 600; text-transform: none;
}
.site-nav { display: flex; gap: 1.15rem; margin-left: auto; }
.site-nav a {
  font-size: .78rem; text-decoration: none; color: var(--mute);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.site-nav a:hover { color: var(--ink); }
.tools { display: flex; align-items: center; gap: .55rem; }
.lang-dd { position: relative; }
.lang-current {
  display: inline-flex; align-items: center; gap: .35rem;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font: inherit; font-size: .72rem; padding: .32rem .6rem; cursor: pointer;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.lang-current:hover { border-color: var(--acc); }
.lang-dd.open .lang-current svg { transform: rotate(180deg); }
.lang-menu {
  display: none; position: absolute; right: 0; top: calc(100% + .35rem); z-index: 30;
  min-width: 9.2rem; padding: .2rem; background: var(--bg);
  border: 1px solid var(--line);
}
.lang-dd.open .lang-menu { display: grid; }
.lang-menu button {
  border: 0; background: transparent; color: var(--mute); text-align: left;
  font: inherit; font-size: .76rem; padding: .42rem .55rem; cursor: pointer;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.lang-menu button:hover, .lang-menu button.on { color: var(--acc); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--acc); color: var(--btn); text-decoration: none;
  padding: .7rem 1.05rem; font-weight: 700; font-size: .88rem; border-radius: 2px;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.wa { background: #25d366; color: #04210c; }

.hero-launch { padding: 3.4rem 0 1.2rem; }
.kicker {
  color: var(--acc); font-size: .72rem; letter-spacing: .2em;
  text-transform: uppercase; font-family: "IBM Plex Mono", ui-monospace, monospace;
}
h1, h2, h3, .sec-title {
  font-family: "Space Grotesk", "PingFang SC", sans-serif;
  letter-spacing: -.035em;
}
.hero-launch h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.8rem);
  line-height: .98; margin: .55rem 0 .9rem; max-width: 14ch; font-weight: 700;
}
.lead { font-size: 1.05rem; color: var(--mute); max-width: 40rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.35rem; }

.rack {
  display: grid; grid-template-columns: 1.15fr .95fr .8fr;
  gap: 1rem; align-items: end; margin-top: 2.6rem;
}
.browser {
  background: #1a1410; border: 1px solid var(--line); overflow: hidden;
}
.chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 10px; background: #221b15; border-bottom: 1px solid var(--line);
}
.chrome i { width: 7px; height: 7px; border-radius: 50%; background: #4a3c30; display: block; }
.chrome span {
  margin-left: 8px; color: var(--mute); font-size: 10px;
  font-family: "IBM Plex Mono", ui-monospace, monospace; letter-spacing: .02em;
}
.viewport { min-height: 168px; padding: 0; overflow: hidden; background: #1a1410; }
.viewport.tall { min-height: 210px; }
.viewport img {
  display: block; width: 100%; height: 100%; min-height: 168px;
  object-fit: cover;
}
.viewport.tall img { min-height: 210px; }

.mock { font-size: 9px; color: #eadfd2; }
.mock-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.mock-logo { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.mock-nav { display: flex; gap: 7px; color: #9a8774; }
.mock-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 8px; margin-bottom: 8px; }
.mock-copy { height: 38px; background: linear-gradient(#3a2d22, #2a2119); }
.mock-cta { width: 52px; height: 12px; background: var(--acc); margin-top: 6px; }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mock-card { height: 46px; background: #2c241c; border: 1px solid #46382c; }
.mock-cnc .mock-card { background: linear-gradient(160deg, #3a2e22, #241c15); }
.mock-led .mock-card { background: #1a1611; box-shadow: inset 0 0 12px rgba(228, 162, 74, .28); }
.mock-auto .mock-card { background: #f4eee6; border-color: #d8cbb8; }
.mock-solar .mock-card { background: linear-gradient(180deg, #4a351c, #2c2116); }
.mock-valve .mock-card { border-radius: 40px; background: #2a221a; }
.mock-pack .mock-card { height: 54px; background: repeating-linear-gradient(90deg, #2c241c 0 8px, #3a2e22 8px 16px); }

.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); margin: 2.2rem 0 0;
}
.metrics div { padding: 1rem 1.1rem; border-right: 1px solid var(--line); }
.metrics div:last-child { border-right: 0; }
.metrics b {
  display: block; font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem; color: var(--acc); letter-spacing: -.03em;
}
.metrics span { color: var(--mute); font-size: .8rem; }

.section { padding: 3rem 0 1rem; }
.sec-kicker {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .7rem; letter-spacing: .16em; color: var(--acc); margin: 0 0 .5rem;
}
.sec-title { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0 0 .4rem; }
.sec-sub { color: var(--mute); margin: 0 0 1.4rem; max-width: 38rem; }

.case-list { display: grid; gap: 1.15rem; }
.case {
  display: grid; grid-template-columns: minmax(240px, .92fr) 1.1fr;
  gap: 1.3rem; align-items: center;
  border: 1px solid var(--line); background: var(--panel); padding: .9rem;
}
.case h3 { margin: .15rem 0 .35rem; font-size: 1.28rem; }
.case p { margin: 0; color: var(--mute); }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: .55rem 0 .15rem; }
.tags li {
  list-style: none; font-size: .72rem; color: var(--acc2);
  border: 1px solid #5a4630; padding: .15rem .45rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.case-meta { color: var(--mute); font-size: .8rem; margin-top: .4rem; }

.svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc { background: var(--bg2); padding: 1.15rem 1.2rem; }
.svc em {
  font-style: normal; color: var(--acc);
  font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .75rem;
}
.svc h3 { margin: .35rem 0 .3rem; font-size: 1.12rem; }
.svc p { margin: 0; color: var(--mute); }

.rail { display: grid; gap: 0; }
.rail-item {
  display: grid; grid-template-columns: 4.6rem 1fr;
  gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--line);
}
.rail-item .num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--acc); font-size: 1.05rem;
}

.need-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.need { background: var(--panel); padding: 1.1rem; }
.need h3 { margin: 0 0 .35rem; }
.need p { margin: 0; color: var(--mute); }

.note-list { display: grid; gap: .55rem; }
.note {
  display: grid; grid-template-columns: 6.5rem 1fr auto; gap: 1rem; align-items: baseline;
  text-decoration: none; border: 1px solid var(--line); padding: .8rem 1rem; background: var(--panel);
}
.note:hover { border-color: var(--acc); }
.note time, .note i { color: var(--mute); font-style: normal; font-size: .78rem; font-family: "IBM Plex Mono", ui-monospace, monospace; }

details { border: 1px solid var(--line); padding: .85rem 1rem; margin-bottom: .45rem; background: var(--panel); }
summary { cursor: pointer; font-weight: 650; }
details p { color: var(--mute); margin: .5rem 0 0; }

.scope-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.scope {
  background: var(--bg2); padding: 1.25rem 1.1rem 1.35rem;
  text-align: center; min-height: 13.2rem;
  display: flex; flex-direction: column; align-items: center;
}
.scope em {
  font-style: normal; color: var(--acc);
  font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .75rem;
}
.scope h3 { margin: .4rem 0 .35rem; font-size: 1.05rem; }
.scope p { margin: 0; color: var(--mute); }

.contact {
  display: flex; justify-content: center;
  margin: 2.2rem auto 1.6rem; padding: 0; border: 0;
}
.contact-card {
  width: min(720px, 100%);
  text-align: center;
  padding: 2rem 1.5rem 2.15rem;
  border: 1px solid var(--line);
  background: var(--bg2);
}
.contact .sec-kicker { margin-bottom: .45rem; }
.contact .sec-title { margin: 0 auto .5rem; }
.contact p { color: var(--mute); max-width: 40rem; margin: 0 auto; }
.contact-points {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .36rem;
  list-style: none; margin: .95rem 0 0; padding: 0;
}
.contact-points li {
  font-size: .72rem; letter-spacing: .04em;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--acc); border: 1px solid #5a4630; padding: .2rem .5rem;
}
.contact-handles {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem 1.1rem;
  margin-top: .85rem; font-size: .88rem; font-weight: 700;
}
.contact-handles a {
  color: var(--acc); text-decoration: none;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .65rem; margin-top: 1rem; }
.contact .btn { margin-top: 0; }

.stick {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 9;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  background: rgba(7,13,20,.94); color: var(--ink); padding: .75rem 1.2rem;
  border-top: 1px solid var(--line);
}
.stick span { font-size: .88rem; color: var(--mute); }
.stick-actions { display: flex; flex-wrap: wrap; gap: .45rem; }
.stick .btn { padding: .55rem .95rem; }

.foot {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 1.2rem 0 5.6rem; color: var(--mute); font-size: .86rem;
}
.foot strong {
  display: block; color: var(--ink);
  font-family: "Space Grotesk", sans-serif; letter-spacing: .08em; text-transform: uppercase;
}
.foot-links { display: grid; gap: .35rem; justify-items: end; }
.foot-tg { color: var(--acc); font-family: "IBM Plex Mono", ui-monospace, monospace; text-decoration: none; }
.foot-wa { color: #25d366; font-family: "IBM Plex Mono", ui-monospace, monospace; text-decoration: none; }

.post { width: min(760px, calc(100% - 2rem)); margin: 0 auto; padding: 1.6rem 0 5.8rem; }
.post .meta { color: var(--mute); font-size: .85rem; font-family: "IBM Plex Mono", ui-monospace, monospace; }
.post-body h2 { font-size: 1.3rem; margin: 1.5rem 0 .4rem; }
.post-body p, .post-body li { color: #ddd0c2; }
.back { font-weight: 650; }
.back a { color: var(--acc); text-decoration: none; }
.text-link { display: inline-flex; margin-top: 1rem; color: var(--acc); text-decoration: none; border-bottom: 1px solid var(--acc); padding-bottom: .25rem; }
section[id] { scroll-margin-top: 4.6rem; }

.journal { padding: 2.2rem 0 3rem; }

.log-jump {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin: 1rem 0 1.6rem;
}
.log-jump a {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .72rem; letter-spacing: .04em; text-transform: uppercase;
  border: 1px solid var(--line); color: var(--mute);
  padding: .28rem .55rem; text-decoration: none;
}
.log-jump a:hover { border-color: var(--acc); color: var(--acc); }
.log-group { margin: 0 0 1.9rem; }
.log-group header {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  border-bottom: 1px solid var(--line); padding-bottom: .4rem; margin-bottom: .15rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .78rem; color: var(--mute);
}
.log-group header b { color: var(--ink); letter-spacing: .1em; text-transform: uppercase; }
.log-index { display: grid; }
.log-row {
  display: grid;
  grid-template-columns: 2.5rem 5.2rem minmax(0, 1fr) auto;
  gap: .8rem; align-items: baseline;
  text-decoration: none;
  padding: .72rem 0;
  border-bottom: 1px dashed var(--line);
}
.log-row:hover { color: var(--acc); }
.log-idx { color: var(--acc); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .82rem; }
.log-row i { color: var(--mute); font-style: normal; font-size: .78rem; font-family: "IBM Plex Mono", ui-monospace, monospace; }
.log-row b { font-weight: 650; }
.log-row code {
  color: var(--mute); font-size: .72rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.more-notes { margin-top: 2.2rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.more-notes h2 { font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; font-family: "IBM Plex Mono", ui-monospace, monospace; color: var(--mute); }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .mast-row { flex-wrap: wrap; }
  .tools { margin-left: auto; }
  .rack, .case, .svc-grid, .scope-grid, .need-row, .metrics, .note, .foot, .log-row { grid-template-columns: 1fr; }
  .metrics div, .svc { border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-launch h1 { max-width: none; }
  .log-row { grid-template-columns: 2.2rem 1fr; }
  .log-row i, .log-row code { display: none; }
}
@media (max-width: 640px) {
  .tools .btn { display: none; }
  .stick span { display: none; }
}