/* ============================================================
   OPTION C — novra design language, Narya content
   White ground, vw scale, 1vw radii, corner tags,
   sticky product slider, black showcase card, avatar wall.
   All classes prefixed oc- so Option A styles are untouched.

   字体：主字体 Proxima Nova（本机已装全套字重）。
   想一键切回 Inter 方案：只改下面 --oc-font 一行，换成
   --oc-font: "Inter", -apple-system, sans-serif;
   ============================================================ */

:root {
  --oc-white: #fff;
  --oc-black: #000;
  --oc-almost-black: #030306;
  --oc-dark-grey: #5d5d5d;
  --oc-grey: #9c9c9c;
  --oc-light-grey: #d1d1d1;
  --oc-smoke: #f5f5f5;
  --oc-font: "Proxima Nova", "proxima-nova", "Inter", "Helvetica Neue", -apple-system, Arial, sans-serif;
  --oc-pad: 2vw;
  --oc-radius: 1vw;
  --oc-radius-lg: 1.5vw;
  --oc-h1: 4.68vw;
  --oc-xl: 7vw;
  --oc-xxl: 10vw;
  --oc-base: 1.11vw;
  --oc-base-lh: 1.78vw;
  --oc-s: 1.2vw;
  --oc-xs: 1vw;
  --oc-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  .oc *, .oc *::before, .oc *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body.oc {
  margin: 0;
  background: var(--oc-white);
  color: var(--oc-black);
  font-family: var(--oc-font);
  font-size: var(--oc-base);
  line-height: var(--oc-base-lh);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.oc ::selection { background: var(--oc-black); color: var(--oc-white); }
body.oc a { text-decoration: none; }
a { color: inherit; }
body.oc.oc-lock { overflow: hidden; }

/* ---------- preloader bits ---------- */
.oc-preloader { position: fixed; inset: 0; z-index: 300; display: flex; pointer-events: none; }
.oc-preloader i {
  flex: 1; background: var(--oc-almost-black);
  transform: scaleY(1); transform-origin: top;
  transition: transform 0.8s var(--oc-ease);
}
body.oc.is-ready .oc-preloader i { transform: scaleY(0); }
body.oc.is-ready .oc-preloader i:nth-child(1) { transition-delay: 0s; }
body.oc.is-ready .oc-preloader i:nth-child(2) { transition-delay: 0.05s; }
body.oc.is-ready .oc-preloader i:nth-child(3) { transition-delay: 0.1s; }
body.oc.is-ready .oc-preloader i:nth-child(4) { transition-delay: 0.15s; }
body.oc.is-ready .oc-preloader i:nth-child(5) { transition-delay: 0.2s; }
body.oc.is-ready .oc-preloader i:nth-child(6) { transition-delay: 0.25s; }
body.oc.is-ready .oc-preloader i:nth-child(7) { transition-delay: 0.3s; }
body.oc.is-ready .oc-preloader i:nth-child(8) { transition-delay: 0.35s; }

/* Narya head boot, ported from Option A's loader, plays before the bars */
.oc-boot {
  position: fixed; inset: 0; z-index: 320; background: var(--oc-white);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  transition: opacity 0.45s ease, visibility 0.45s;
}
.oc-boot.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.oc-boot img { width: 40px; animation: oc-boot-pulse 1.2s ease infinite; }
@keyframes oc-boot-pulse { 0%, 100% { opacity: 0.3; transform: scale(0.95); } 50% { opacity: 1; transform: scale(1); } }
.oc-boot-bar { width: 100px; height: 2px; background: var(--oc-light-grey); border-radius: 2px; overflow: hidden; }
.oc-boot-bar i { display: block; height: 100%; width: 0; background: var(--oc-almost-black); border-radius: 2px; animation: oc-boot-fill 1.2s var(--oc-ease) forwards; }
@keyframes oc-boot-fill { to { width: 100%; } }

/* ---------- corner tags (took over from the old cursor labels) ----------
   flat white pills parked in a corner of the card; tags sit there quietly,
   the showcase tag fades in on hover; nothing follows the mouse or inverts */
.oc-wtile[data-tag]::after {
  content: attr(data-tag);
  position: absolute; top: 1.1vw; right: 1.2vw; z-index: 5;
  background: var(--oc-white); color: var(--oc-black);
  font-size: max(10px, 0.7vw); font-weight: 600; letter-spacing: 0.12em;
  line-height: 1; padding: 0.35vw 0.9vw; border-radius: 100vw;
  pointer-events: none;
}
.oc-showcase-card[data-tag]::after {
  content: attr(data-tag);
  position: absolute; top: 2vw; right: 2.5vw; z-index: 5;
  background: var(--oc-white); color: var(--oc-black);
  font-size: max(10px, 0.7vw); font-weight: 600; letter-spacing: 0.12em;
  line-height: 1; padding: 0.38vw 0.95vw; border-radius: 100vw;
  opacity: 0; transition: opacity 0.18s ease;
  pointer-events: none;
}
.oc-showcase-card[data-mode="idle"][data-tag]:hover::after { opacity: 1; }

/* ---------- nav ---------- */
.oc-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1vw var(--oc-pad);
  color: #fff;
}
.oc-nav-logo, .oc-nav-links { mix-blend-mode: difference; }
.oc-nav-logo { display: flex; align-items: center; gap: 0.5vw; font-weight: 600; font-size: 1.2vw; }
.oc-nav-logo img { width: 1.9vw; height: 1.9vw; filter: invert(1); }
.oc-nav-links { display: flex; gap: 2.2vw; font-size: var(--oc-xs); }
.oc-nav-links a { opacity: 0.75; transition: opacity 0.2s ease; }
.oc-nav-links a:hover { opacity: 1; }
.oc-nav-cta {
  background: #fff; color: #000;
  font-size: var(--oc-xs); border: 1px solid #000; border-radius: 100vw;
  padding: 0.45vw 1.3vw; transition: background 0.2s ease, color 0.2s ease;
}
.oc-nav-cta:hover { background: #000; color: #fff; }

/* ---------- hero ---------- */
.oc-hero {
  min-height: 100vh; padding: 0 var(--oc-pad);
  display: flex; flex-direction: column; justify-content: center; position: relative;
}
.oc-hero-title {
  margin: 0; font-weight: 500; letter-spacing: -0.05em;
  font-size: var(--oc-xxl); line-height: 0.95;
  display: flex; align-items: center; flex-wrap: wrap; gap: 0.5vw;
}
.oc-hero-title .oc-line { display: inline-block; overflow: hidden; }
.oc-hero-title .oc-line > span { display: inline-block; transform: translateY(112%); transition: transform 1s var(--oc-ease) 0.45s; }
.oc-hero-title .oc-line:last-child > span { transition-delay: 0.55s; }
body.oc.is-ready .oc-hero-title .oc-line > span { transform: translateY(0); }
.oc-hero-chip {
  position: relative; width: 16vw; height: 7.6vw; flex: none;
  background: var(--oc-almost-black); border-radius: 100vw; overflow: hidden;
  display: flex; align-items: flex-end; justify-content: center;
  transform: scaleX(0); transition: transform 0.9s var(--oc-ease) 0.7s;
}
body.oc.is-ready .oc-hero-chip { transform: scaleX(1); }
.oc-hero-chip img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 18%;
}
/* hidden at rest so Lumi keeps her face, floats up on hover */
.oc-hero-chip-cta {
  position: absolute; left: 50%; bottom: 0.7vw; transform: translateX(-50%) translateY(0.5vw);
  background: var(--oc-white); color: var(--oc-black);
  font-size: 0.75vw; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  line-height: 1; white-space: nowrap; border-radius: 100vw; padding: 0.5vw 1vw;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease, transform 0.3s var(--oc-ease);
}
.oc-hero-chip:hover .oc-hero-chip-cta { opacity: 1; transform: translateX(-50%) translateY(0); }
.oc-hero-bottom {
  position: absolute; left: var(--oc-pad); right: var(--oc-pad); bottom: 3vw;
  display: flex; justify-content: space-between; align-items: flex-end;
}
.oc-hero-tag { max-width: 30vw; margin: 0; color: var(--oc-dark-grey); font-size: var(--oc-s); line-height: 1.5; }
.oc-hero-actions { display: flex; gap: 0.8vw; }
.oc-btn {
  font-family: var(--oc-font); font-size: var(--oc-xs); font-weight: 500;
  border-radius: 100vw; padding: 0.75vw 1.8vw; cursor: pointer;
  border: 1px solid var(--oc-black); background: var(--oc-black); color: var(--oc-white);
  display: inline-block; transition: transform 0.25s var(--oc-ease), background 0.2s ease, color 0.2s ease;
}
.oc-btn:hover { transform: translateY(-2px); }
.oc-btn.ghost { background: transparent; color: var(--oc-black); }
.oc-btn.ghost:hover { background: var(--oc-black); color: var(--oc-white); }

/* ---------- backed by: single sponsor marquee, drag + inertia ---------- */
.oc-backed { padding: 2.2vw 0; border-top: 1px solid var(--oc-light-grey); border-bottom: 1px solid var(--oc-light-grey); overflow: hidden; }
.oc-backed-track { display: flex; gap: 3vw; width: max-content; padding-right: 3vw; will-change: transform; }
.oc-backed-unit { display: flex; align-items: center; gap: 1.4vw; flex: none; }
.oc-backed-unit span { font-size: var(--oc-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--oc-grey); white-space: nowrap; user-select: none; }
.oc-backed-unit b { color: var(--oc-light-grey); font-weight: 400; font-size: 0.8vw; margin-left: 1.6vw; user-select: none; }
.oc-backed img { height: 1.5vw; display: block; user-select: none; -webkit-user-drag: none; }

/* ---------- eyebrow ---------- */
.oc-eyebrow { display: flex; align-items: center; gap: 0.7vw; font-size: var(--oc-xs); color: var(--oc-dark-grey); }
.oc-eyebrow i { width: 0.55vw; height: 0.55vw; background: var(--oc-black); flex: none; }

/* ---------- about ---------- */
.oc-about { padding: 10vw var(--oc-pad); display: grid; grid-template-columns: 1.1fr 1fr; gap: 4vw; align-items: start; }
.oc-about h2 { margin: 1.5vw 0 2vw; font-size: 3.4vw; line-height: 1.08; font-weight: 500; letter-spacing: -0.02em; }
.oc-about-card {
  background: var(--oc-smoke); border-radius: var(--oc-radius);
  padding: 2.5vw; display: flex; flex-direction: column; gap: 1.2vw;
}
.oc-about-card p { margin: 0; color: var(--oc-dark-grey); }
.oc-about-card .row { display: flex; justify-content: space-between; border-top: 1px solid var(--oc-light-grey); padding-top: 1vw; font-size: var(--oc-xs); }
.oc-about-card .row b { font-weight: 500; }

/* ---------- product slider (tracks) ---------- */
.oc-tracks { position: relative; height: 420vh; }
.oc-tracks-pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; align-items: center; padding: 0 var(--oc-pad); box-sizing: border-box; }
.oc-tracks-eyebrow { position: absolute; top: 4.2vw; left: var(--oc-pad); }
.oc-tracks-num { width: 20vw; align-self: stretch; padding-top: 8vw; font-weight: 600; }
.oc-num-roll { height: 6vw; overflow: hidden; font-size: 6vw; line-height: 1; letter-spacing: -0.03em; }
.oc-num-roll-strip { display: flex; flex-direction: column; transition: transform 0.8s var(--oc-ease); }
.oc-num-roll-strip span { height: 6vw; }
.oc-tracks-num .oc-of { display: block; margin-top: 0.6vw; color: var(--oc-grey); font-size: 1.4vw; font-weight: 500; }
.oc-tracks-center { flex: 1; display: flex; justify-content: center; align-items: center; perspective: 1600px; position: relative; height: 100%; }
.oc-tcard {
  position: absolute; width: 36vw; height: 26vw;
  background: var(--oc-almost-black); color: var(--oc-white);
  border-radius: var(--oc-radius);
  padding: 2.4vw; box-sizing: border-box;
  display: flex; flex-direction: column; justify-content: space-between;
  transform: translateY(120%) rotateX(-12deg); opacity: 0;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  transition: transform 0.9s var(--oc-ease), opacity 0.5s ease;
}
.oc-tcard.is-active { transform: translateY(0) rotateX(0); opacity: 1; }
.oc-tcard.is-passed { transform: translateY(-120%) rotateX(12deg); opacity: 0; }
.oc-tcard-top { display: flex; justify-content: space-between; align-items: center; font-size: var(--oc-xs); color: var(--oc-grey); }
.oc-tcard h3 { margin: 0; font-size: 2.6vw; font-weight: 500; letter-spacing: -0.02em; }
.oc-tcard p { margin: 0.8vw 0 0; color: var(--oc-light-grey); font-size: var(--oc-xs); line-height: 1.55; max-width: 28vw; }
.oc-tcard-foot { display: flex; justify-content: space-between; align-items: center; }
.oc-tcard-foot a {
  font-size: var(--oc-xs); border: 1px solid rgba(255,255,255,0.4); border-radius: 100vw; padding: 0.5vw 1.3vw;
  transition: background 0.2s ease, color 0.2s ease;
}
.oc-tcard-foot a:hover { background: var(--oc-white); color: var(--oc-black); }
.oc-tcard-foot .oc-tcard-meta { font-size: var(--oc-xs); color: var(--oc-grey); }
.oc-tracks-list { width: 20vw; align-self: stretch; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-end; gap: 0.6vw; padding-bottom: 8vw; }
.oc-tracks-list button {
  background: none; border: 0; padding: 0; cursor: pointer; text-align: right;
  font-family: var(--oc-font); font-size: 1.7vw; font-weight: 500; letter-spacing: -0.02em;
  color: var(--oc-light-grey); transition: color 0.3s ease, transform 0.3s var(--oc-ease);
}
.oc-tracks-list button:hover { transform: translateX(-0.4vw); }
.oc-tracks-list button.is-on { color: var(--oc-black); }

/* ---------- avatar showcase (filler) ---------- */
.oc-showcase { padding: 0 var(--oc-pad) 4vw; }
.oc-showcase-card {
  position: relative; height: 92vh;
  background: var(--oc-almost-black); border-radius: var(--oc-radius-lg);
  overflow: hidden; display: flex; align-items: flex-end; justify-content: center;
  cursor: pointer;
}
.oc-showcase-card img {
  width: 26vw; display: block; margin-bottom: -2vw;
  transition: transform 1s var(--oc-ease);
}
.oc-showcase-card:hover img { transform: scale(1.12) translateY(-1vw); }
.oc-showcase-titles {
  position: absolute; left: 2.5vw; bottom: 2.5vw; color: var(--oc-white);
  display: flex; flex-direction: column; gap: 0.2vw;
}
.oc-showcase-titles b { font-size: 2.4vw; font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; }
.oc-showcase-titles span { font-size: 2.4vw; font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; color: var(--oc-grey); }
.oc-showcase-tag { position: absolute; right: 2.5vw; bottom: 2.5vw; color: var(--oc-grey); font-size: var(--oc-xs); }
/* status lives with the titles now, keeps the card top clear of the fixed nav */
.oc-showcase-titles .oc-showcase-status {
  display: flex; align-items: center; gap: 0.5vw; margin-bottom: 1vw;
  color: var(--oc-white); font-size: var(--oc-xs); letter-spacing: 0.14em; line-height: 1;
}
.oc-showcase-status i { width: 0.5vw; height: 0.5vw; background: #fff; animation: oc-blink 1.2s steps(2, start) infinite; flex: none; }
.oc-showcase-status span { font-size: var(--oc-xs); color: var(--oc-white); letter-spacing: 0.14em; }
@keyframes oc-blink { to { visibility: hidden; } }
/* real beta entry actions */
.oc-showcase-modes {
  position: absolute; left: 50%; bottom: 2.5vw; transform: translate(-50%, 2vw);
  display: flex; gap: 0.6vw;
  opacity: 0; transition: opacity 0.3s ease, transform 0.5s var(--oc-ease);
  pointer-events: none; white-space: nowrap;
}
.oc-showcase-card:hover .oc-showcase-modes {
  opacity: 1; transform: translate(-50%, 0); pointer-events: auto;
}
.oc-mode-pill {
  background: var(--oc-white); color: var(--oc-black); border: 0;
  border-radius: 100vw; padding: 0.8vw 1.6vw; cursor: pointer;
  font-family: var(--oc-font); font-size: var(--oc-xs); font-weight: 600; letter-spacing: 0.12em;
  display: flex; align-items: center; gap: 0.6vw;
  transition: transform 0.25s var(--oc-ease);
}
.oc-mode-pill:hover { transform: translateY(-2px); }
.oc-mode-pill i { width: 0.5vw; height: 0.5vw; background: var(--oc-black); flex: none; }

/* ---------- avatar wall ---------- */
.oc-wall { padding: 8vw var(--oc-pad); }
.oc-wall-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 3.5vw; }
.oc-wall-head h2 { margin: 1.2vw 0 0; font-size: var(--oc-h1); line-height: 1.02; font-weight: 500; letter-spacing: -0.02em; }
.oc-wall-head p { max-width: 22vw; margin: 0; color: var(--oc-dark-grey); font-size: var(--oc-xs); line-height: 1.55; }
.oc-wall-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2vw; }
.oc-wall-col { display: flex; flex-direction: column; gap: 2vw; }
.oc-wall-col.offset { padding-top: 7vw; }
.oc-wtile {
  position: relative; background: var(--oc-smoke); border-radius: var(--oc-radius);
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.oc-wtile.t1 { height: 34vw; }
.oc-wtile.t2 { height: 26vw; }
.oc-wtile.t3 { height: 30vw; }
/* 角色图：contain 保证全身可见，图的实底 #f5f5f5 和 tile 底色无缝；
   场景横图（is-scene，约 4:3）和宽 tile 比例接近，用 cover */
.oc-wtile-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; object-position: 50% 50%;
  transition: transform 0.8s var(--oc-ease);
  user-select: none; -webkit-user-drag: none;
}
.oc-wtile-img.is-scene { object-fit: cover; object-position: 50% 40%; }
.oc-wtile:hover .oc-wtile-img { transform: scale(1.04); }
.oc-wtile .oc-wtile-cap {
  position: absolute; left: 1.2vw; bottom: 1.1vw; color: var(--oc-black);
  font-size: var(--oc-xs); font-weight: 500; letter-spacing: 0;
  background: var(--oc-white); border-radius: 100vw; padding: 0.35vw 0.95vw;
}

/* ---------- split sections: API for dev, Monitoring, Studio ---------- */
.oc-sec { padding: 8vw var(--oc-pad); display: grid; grid-template-columns: 1fr 1fr; gap: 4vw; align-items: center; }
.oc-sec h2 { margin: 1.2vw 0 1.4vw; font-size: var(--oc-h1); line-height: 1.05; font-weight: 500; letter-spacing: -0.02em; }
.oc-sec-copy p { margin: 0 0 2vw; color: var(--oc-dark-grey); max-width: 32vw; font-size: var(--oc-base); line-height: var(--oc-base-lh); }
.oc-sec-btn { margin-top: 1.6vw; }
.oc-api-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1vw;
  border-top: 1px solid var(--oc-light-grey); padding: 1vw 0;
}
.oc-api-row b { font-size: 1.25vw; font-weight: 500; letter-spacing: -0.01em; }
.oc-api-row span { color: var(--oc-grey); font-size: var(--oc-xs); text-align: right; }

/* ---------- for developers: two separate products ---------- */
.oc-dev { padding: 8vw var(--oc-pad); }
.oc-dev-head { max-width: 44vw; margin-bottom: 3.5vw; }
.oc-dev-head h2 { margin: 1.2vw 0 1.4vw; font-size: var(--oc-h1); line-height: 1.05; font-weight: 500; letter-spacing: -0.02em; }
.oc-dev-head p { margin: 0; color: var(--oc-dark-grey); max-width: 36vw; font-size: var(--oc-base); line-height: var(--oc-base-lh); }
.oc-dev-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2vw; align-items: stretch; }
.oc-dev-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--oc-light-grey); border-radius: var(--oc-radius-lg);
  padding: 2.2vw 2.4vw 2.4vw;
}
.oc-dev-tag {
  display: flex; justify-content: space-between;
  color: var(--oc-grey); font-size: 0.78vw; letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 1.8vw;
}
/* service pair on shared row lines (Larissa: 两张图一样高, 下面也一样高).
   Both cards carry the same 9 children (tag, h3, sub, visual, intro,
   3 point rows, button), subgrid pins every horizontal seam. */
@supports (grid-template-rows: subgrid) {
  @media (min-width: 768px) {
    .oc-svc .oc-dev-card { display: grid; grid-template-rows: subgrid; grid-row: span 9; align-content: start; }
    /* the shorter visual keeps its natural height and breathes, never stretches */
    .oc-svc .oc-dev-card .oc-mon, .oc-svc .oc-dev-card .oc-play { align-self: start; }
    .oc-svc .oc-dev-card .oc-dev-btn { align-self: end; justify-self: start; }
  }
}
.oc-dev-card h3 { margin: 0 0 1vw; font-size: 2.4vw; line-height: 1.05; font-weight: 500; letter-spacing: -0.02em; }
.oc-dev-card > p { margin: 0 0 1.8vw; color: var(--oc-dark-grey); font-size: var(--oc-base); line-height: var(--oc-base-lh); }
.oc-dev-code { margin-top: 0.6vw; }
.oc-dev-code pre { font-size: 0.85vw; line-height: 1.9; }
.oc-dev-inner { margin-top: 0.6vw; margin-bottom: 1.8vw; }

/* studio builder toy: three panes, characters left, the star in the middle, wardrobe right */
.oc-play { display: grid; grid-template-columns: 0.62fr 1.35fr 1fr; gap: 1vw; margin: 0.6vw 0 1.8vw; align-items: start; }
.oc-play-col { min-width: 0; display: flex; flex-direction: column; gap: 1vw; }
.oc-play-chars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.4vw; }
.oc-play-stage {
  position: relative; overflow: hidden;
  border: 1px solid var(--oc-light-grey); border-radius: calc(var(--oc-radius) * 0.75);
  aspect-ratio: 3 / 4; background: var(--oc-smoke);
  transition: background 0.3s ease;
}
.oc-play-scenefull { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.oc-play-char { position: absolute; z-index: 2; }
.oc-play-char.is-sticker { left: 50%; bottom: -4%; transform: translateX(-50%); height: 84%; width: auto; max-width: none; }
.oc-play-char.is-card {
  left: 50%; top: 50%; transform: translate(-50%, -50%); width: 74%; height: auto; aspect-ratio: 1;
  object-fit: cover; border-radius: 0.6vw; border: 2px solid var(--oc-white);
}
.oc-play-char.is-swap, .oc-play-scenefull.is-swap { animation: oc-play-pop 0.35s var(--oc-ease); }
@keyframes oc-play-pop { from { opacity: 0; transform-origin: 50% 100%; } }
.oc-play-cap {
  position: absolute; z-index: 3; left: 0.7vw; top: 0.7vw; max-width: calc(100% - 1.4vw);
  background: var(--oc-white); color: var(--oc-black); border-radius: 100vw;
  font-size: 0.62vw; font-weight: 600; letter-spacing: 0.12em; line-height: 1;
  padding: 0.4vw 0.75vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.oc-play-group { min-width: 0; }
.oc-play-label { display: block; font-size: 0.68vw; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--oc-grey); margin-bottom: 0.5vw; }
.oc-play-label em { font-style: normal; letter-spacing: 0.06em; color: var(--oc-light-grey); }
.oc-play-chars button, .oc-play-outfits button {
  position: relative; padding: 0; overflow: hidden; cursor: pointer;
  background: var(--oc-smoke); border: 1px solid var(--oc-light-grey); border-radius: 0.5vw;
  aspect-ratio: 1; transition: transform 0.2s var(--oc-ease), border-color 0.15s ease;
}
.oc-play-chars button img, .oc-play-outfits button img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; display: block; }
.oc-play-chars button:hover, .oc-play-outfits button:hover { transform: translateY(-2px); }
.oc-play-chars button.is-on, .oc-play-outfits button.is-on { border-color: var(--oc-black); outline: 1px solid var(--oc-black); outline-offset: -2px; }
.oc-play-outfits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.4vw; }
.oc-play-outfits button span {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  background: var(--oc-white); color: var(--oc-black);
  font-family: var(--oc-font); font-size: 0.55vw; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.2vw 0; text-align: center;
}
/* outfit art not on disk yet: grey tile, label says soon */
.oc-play-outfits button.is-wait img { visibility: hidden; }
.oc-play-outfits button.is-wait span { background: none; color: var(--oc-grey); top: 0; display: flex; align-items: center; justify-content: center; }
.oc-play-outfits button.is-wait span::after { content: " soon"; }
/* outfits belong to Lumi for now, lock the group for the rest of the cast */
.oc-play-group.is-locked .oc-play-outfits { opacity: 0.35; pointer-events: none; }
.oc-play-scenes { display: flex; flex-direction: column; gap: 0.3vw; }
.oc-play-scenes button, .oc-play-voices button {
  font-family: var(--oc-font); font-size: 0.75vw; font-weight: 500; letter-spacing: 0.02em;
  color: var(--oc-black); background: none; border: 1px solid var(--oc-light-grey); border-radius: 100vw;
  padding: 0.34vw 0.9vw; cursor: pointer; text-align: left;
  display: flex; align-items: center; gap: 0.5vw;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.2s var(--oc-ease);
}
.oc-play-scenes button i { width: 0.55vw; height: 0.55vw; border-radius: 50%; flex: none; }
.oc-play-scenes button:hover, .oc-play-voices button:hover { transform: translateY(-2px); }
.oc-play-scenes button.is-on, .oc-play-voices button.is-on { background: var(--oc-black); color: var(--oc-white); border-color: var(--oc-black); }
.oc-play-voices { display: flex; gap: 0.5vw; flex-wrap: wrap; }
.oc-dev-btn { margin-top: auto; align-self: flex-start; }
.oc-dev-card .oc-dev-code:not(.oc-dev-inner) { margin-bottom: 1.8vw; }
.oc-dev-card .oc-report { background: var(--oc-smoke); }
.oc-dev-card .oc-report-row b { font-size: 1.9vw; }
.oc-code {
  background: var(--oc-almost-black); color: var(--oc-white);
  border-radius: var(--oc-radius); padding: 2vw 2.4vw;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.oc-code-head {
  display: flex; justify-content: space-between;
  color: var(--oc-grey); font-size: 0.78vw; letter-spacing: 0.1em; text-transform: uppercase;
  border-bottom: 1px solid #26262b; padding-bottom: 1vw; margin-bottom: 1.4vw;
}
.oc-code pre { margin: 0; font-size: 0.95vw; line-height: 2; white-space: pre-wrap; word-break: break-word; }
/* ---------- Monitoring platform mock (.oc-mon), shared by C and D ----------
   A SaaS dashboard window embedded like a product screenshot: chrome bar with
   tabs, sessions table, a pure CSS bar chart, alerts feed. Flat, hairlines,
   no gradients, no shadows. Yellow #E8C765 is status punctuation only. */
.oc-mon {
  --mon-y: #E8C765; --mon-line: #E6E3DC; --mon-grey: #9c9c9c; --mon-dim: #5d5d5d;
  background: #fff; border: 1px solid var(--mon-line); border-radius: var(--oc-radius);
  overflow: hidden; color: #111;
}
.oc-mon-top {
  display: flex; align-items: center; gap: 1.2vw;
  padding: 0.75vw 1vw; border-bottom: 1px solid var(--mon-line);
}
.oc-mon-brand { display: flex; align-items: center; gap: 0.45vw; font-size: max(10px, 0.72vw); font-weight: 700; letter-spacing: -0.01em; white-space: nowrap; }
.oc-mon-brand img { width: 1vw; height: 1vw; min-width: 12px; min-height: 12px; display: block; }
.oc-mon-tabs { display: flex; gap: 0.25vw; margin: 0 auto; }
.oc-mon-tabs button {
  background: none; border: 0; cursor: pointer; font-family: var(--oc-font);
  font-size: max(9px, 0.62vw); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mon-grey); border-radius: 100vw; padding: 0.32vw 0.85vw; line-height: 1;
  transition: color 0.15s ease, background 0.15s ease;
}
.oc-mon-tabs button:hover { color: #111; }
.oc-mon-tabs button.is-on { background: #111; color: #fff; }
.oc-mon-env {
  font-size: max(8px, 0.56vw); font-weight: 700; letter-spacing: 0.14em;
  color: var(--mon-dim); border: 1px solid var(--mon-line); border-radius: 100vw;
  padding: 0.26vw 0.7vw; line-height: 1; white-space: nowrap;
}
.oc-mon-live { display: flex; align-items: center; gap: 0.4vw; font-size: max(9px, 0.62vw); font-weight: 700; letter-spacing: 0.14em; white-space: nowrap; }
.oc-mon-live i { width: 0.42vw; height: 0.42vw; min-width: 5px; min-height: 5px; border-radius: 50%; background: var(--mon-y); animation: oc-blink 1.2s steps(2, start) infinite; }
.oc-mon-body { display: flex; align-items: stretch; }
.oc-mon-main { flex: 1; min-width: 0; }
.oc-mon-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; border-bottom: 1px solid var(--mon-line); }
.oc-mon-stats > div { padding: 1vw 1.1vw; display: flex; flex-direction: column; gap: 0.3vw; }
.oc-mon-stats > div + div { border-left: 1px solid var(--mon-line); }
.oc-mon-stats b { font-size: max(15px, 1.5vw); font-weight: 500; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1; }
.oc-mon-stats b sub { font-size: 0.6em; vertical-align: baseline; margin-left: 0.1em; color: var(--mon-grey); }
.oc-mon-stats b span { font-size: inherit; font-weight: inherit; letter-spacing: inherit; color: inherit; text-transform: none; }
.oc-mon-stats > div > span { font-size: max(8px, 0.56vw); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mon-grey); }
.oc-mon-chart { padding: 1vw 1.1vw 1.1vw; border-bottom: 1px solid var(--mon-line); }
.oc-mon-chart-head {
  display: flex; justify-content: space-between; gap: 1vw; margin-bottom: 0.8vw;
  font-size: max(8px, 0.56vw); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mon-grey);
}
.oc-mon-bars { display: flex; align-items: flex-end; gap: 0.22vw; height: 5.2vw; min-height: 56px; }
.oc-mon-bars i { flex: 1; background: #ECEAE4; border-radius: 2px 2px 0 0; height: calc(var(--h, 0.4) * 100%); transition: height 0.5s var(--oc-ease); }
.oc-mon-bars i.hi { background: var(--mon-y); }
.oc-mon-row {
  display: grid; grid-template-columns: 1fr 6.5vw 4.5vw 5.5vw; align-items: center; gap: 0.8vw;
  padding: 0.62vw 1.1vw; border-bottom: 1px solid var(--mon-line);
  font-size: max(10px, 0.68vw); transition: background 0.15s ease;
}
.oc-mon-row:last-child { border-bottom: 0; }
.oc-mon-row:hover { background: var(--oc-smoke); }
.oc-mon-row.head {
  font-size: max(8px, 0.54vw); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--mon-grey); background: none;
}
.oc-mon-who { display: flex; align-items: center; gap: 0.55vw; min-width: 0; font-weight: 600; }
.oc-mon-who img {
  width: 1.5vw; height: 1.5vw; min-width: 18px; min-height: 18px; border-radius: 50%;
  object-fit: cover; object-position: 50% 12%; background: var(--pc, #f0efeb); flex: none;
}
.oc-mon-who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.oc-mon-chan, .oc-mon-ms { color: var(--mon-dim); font-variant-numeric: tabular-nums; white-space: nowrap; }
.oc-mon-state { display: flex; align-items: center; gap: 0.4vw; font-size: max(8px, 0.56vw); font-weight: 700; letter-spacing: 0.12em; white-space: nowrap; }
.oc-mon-state i { width: 0.4vw; height: 0.4vw; min-width: 5px; min-height: 5px; border-radius: 50%; background: var(--mon-grey); flex: none; }
.oc-mon-state.live i { background: var(--mon-y); }
.oc-mon-side { width: 30%; min-width: 0; border-left: 1px solid var(--mon-line); display: flex; flex-direction: column; }
.oc-mon-side-head {
  padding: 0.75vw 1vw; border-bottom: 1px solid var(--mon-line);
  font-size: max(8px, 0.56vw); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mon-grey);
  display: flex; justify-content: space-between; gap: 0.6vw;
}
.oc-mon-alert { display: flex; align-items: baseline; gap: 0.55vw; padding: 0.7vw 1vw; border-bottom: 1px solid var(--mon-line); font-size: max(9px, 0.62vw); line-height: 1.45; }
.oc-mon-alert:last-child { border-bottom: 0; }
.oc-mon-alert i { width: 0.4vw; height: 0.4vw; min-width: 5px; min-height: 5px; border-radius: 50%; background: var(--mon-grey); flex: none; transform: translateY(-0.08vw); }
.oc-mon-alert.warn i { background: var(--mon-y); }
.oc-mon-alert.hard i { background: #111; }
.oc-mon-alert time { color: var(--mon-grey); font-variant-numeric: tabular-nums; white-space: nowrap; }
.oc-mon-alert p { margin: 0; color: var(--mon-dim); }
.oc-mon-alert b { font-weight: 600; color: #111; }
/* fake but honest tab switching: Overview / Sessions / Alerts re-cut the window */
.oc-mon-row.is-extra { display: none; }
.oc-mon[data-view="sessions"] .oc-mon-stats,
.oc-mon[data-view="sessions"] .oc-mon-chart,
.oc-mon[data-view="sessions"] .oc-mon-side { display: none; }
.oc-mon[data-view="sessions"] .oc-mon-row.is-extra { display: grid; }
.oc-mon[data-view="alerts"] .oc-mon-main { display: none; }
.oc-mon[data-view="alerts"] .oc-mon-side { width: 100%; border-left: 0; }
/* narrow host (the C service card): stack the alerts feed under the table */
.oc-dev-card .oc-mon-body { flex-direction: column; }
.oc-dev-card .oc-mon-side { width: auto; border-left: 0; border-top: 1px solid var(--mon-line); }
.oc-dev-card .oc-mon[data-view="alerts"] .oc-mon-side { border-top: 0; }
.oc-dev-card .oc-mon-row { grid-template-columns: 1fr 5vw 4vw 5vw; padding: 0.62vw 0.9vw; }
.oc-dev-card .oc-mon-tabs { margin: 0 0 0 auto; }
.oc-dev-card .oc-mon-env { display: none; }

.oc-report { background: var(--oc-smoke); border-radius: var(--oc-radius); padding: 2vw 2.4vw; }
.oc-report-head {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--oc-grey); font-size: 0.78vw; letter-spacing: 0.14em;
  padding-bottom: 1.2vw;
}
.oc-report-live { display: flex; align-items: center; gap: 0.45vw; color: var(--oc-black); font-weight: 600; }
.oc-report-live i { width: 0.4vw; height: 0.4vw; background: var(--oc-black); animation: oc-blink 1.2s steps(2, start) infinite; }
.oc-report-row {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--oc-light-grey); padding: 1.2vw 0;
}
.oc-report-row span { color: var(--oc-dark-grey); font-size: var(--oc-xs); }
.oc-report-row b span { font-size: inherit; color: inherit; }
.oc-report-row b {
  font-size: 2.4vw; font-weight: 500; letter-spacing: -0.02em; line-height: 1;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.oc-report-row b sub { font-size: 0.95vw; vertical-align: baseline; margin-left: 0.15vw; }
.oc-step { display: flex; gap: 1.2vw; border-top: 1px solid var(--oc-light-grey); padding: 1.1vw 0; }
.oc-step i { font-style: normal; color: var(--oc-grey); font-size: var(--oc-xs); padding-top: 0.25vw; }
.oc-step b { display: block; font-size: 1.3vw; font-weight: 500; letter-spacing: -0.01em; }
.oc-step p { margin: 0.25vw 0 0; color: var(--oc-dark-grey); font-size: var(--oc-xs); line-height: 1.5; }

/* ---------- faq ---------- */
.oc-faq { padding: 0 var(--oc-pad) 10vw; display: grid; grid-template-columns: 1fr 1.4fr; gap: 4vw; }
.oc-faq h2 { margin: 1.2vw 0 0; font-size: var(--oc-h1); font-weight: 500; letter-spacing: -0.02em; }
.oc-faq details { border-top: 1px solid var(--oc-light-grey); }
.oc-faq details:last-child { border-bottom: 1px solid var(--oc-light-grey); }
.oc-faq summary {
  list-style: none; cursor: pointer; padding: 1.4vw 0;
  font-size: 1.5vw; font-weight: 500; letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center;
}
.oc-faq summary::-webkit-details-marker { display: none; }
.oc-faq summary::after { content: "+"; font-weight: 400; color: var(--oc-grey); transition: transform 0.3s var(--oc-ease); }
.oc-faq details[open] summary::after { transform: rotate(45deg); }
.oc-faq details p { margin: 0 0 1.6vw; max-width: 34vw; color: var(--oc-dark-grey); font-size: var(--oc-xs); line-height: 1.6; }

/* ---------- cta ---------- */
.oc-cta { position: relative; padding: 12vw var(--oc-pad); overflow: hidden; }
.oc-cta-text { position: relative; z-index: 2; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 2vw; }
.oc-cta-text h2 { margin: 0; font-size: var(--oc-xl); line-height: 1; font-weight: 500; letter-spacing: -0.04em; }
/* 漂浮 chip 里放角色小头，保持 novra 视差 */
.oc-cta-icon {
  position: absolute; width: 4.6vw; height: 4.6vw; border-radius: var(--oc-radius);
  background: var(--oc-smoke); border: 1px solid var(--oc-light-grey);
  overflow: hidden;
  will-change: transform, filter; user-select: none;
}
.oc-cta-icon img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 14%;
  display: block; -webkit-user-drag: none;
}

/* ---------- footer ---------- */
.oc-footer { background: var(--oc-almost-black); color: var(--oc-white); padding: 5vw var(--oc-pad) 2vw; border-radius: var(--oc-radius-lg) var(--oc-radius-lg) 0 0; }
.oc-footer-top { display: flex; justify-content: space-between; margin-bottom: 5vw; }
.oc-footer-col { display: flex; flex-direction: column; gap: 0.6vw; font-size: var(--oc-xs); }
.oc-footer-col b { font-weight: 500; margin-bottom: 0.4vw; color: var(--oc-grey); }
.oc-footer-col a { color: var(--oc-light-grey); }
.oc-footer-col a:hover { color: var(--oc-white); }
.oc-footer-brand { font-size: 9vw; font-weight: 600; letter-spacing: -0.04em; line-height: 0.9; margin: 0 0 2vw; }
.oc-footer-bottom { display: flex; justify-content: space-between; color: var(--oc-grey); font-size: var(--oc-xs); border-top: 1px solid #26262b; padding-top: 1.4vw; }

/* ---------- reveal + scramble ---------- */
.oc-reveal { opacity: 0; transform: translateY(2.5vw); transition: opacity 0.8s ease, transform 0.9s var(--oc-ease); }
.oc-reveal.on { opacity: 1; transform: translateY(0); }
.oc-scramble { font-variant-ligatures: none; }

/* ---------- mobile ---------- */
@media (max-width: 767px) {
  :root { --oc-pad: 5vw; --oc-base: 4vw; --oc-base-lh: 5.6vw; --oc-xs: 3.4vw; --oc-s: 3.8vw; --oc-radius: 3vw; --oc-radius-lg: 4vw; }
  .oc-nav-links { display: none; }
  .oc-nav-logo { font-size: 4.5vw; }
  .oc-nav-logo img { width: 6.4vw; height: 6.4vw; }
  .oc-backed { padding: 6vw 0; }
  .oc-backed-track { gap: 8vw; padding-right: 8vw; }
  .oc-backed-unit { gap: 3.5vw; }
  .oc-backed-unit b { font-size: 2.4vw; margin-left: 4vw; }
  .oc-backed img { height: 4.2vw; }
  /* no hover on touch, the chip itself is the tap target and the hero buttons sit right below */
  .oc-hero-chip-cta { display: none; }
  .oc-nav-cta { font-size: 3.4vw; padding: 1.6vw 4vw; }
  .oc-hero-title { font-size: 15vw; }
  .oc-hero-chip { width: 30vw; height: 12vw; }
  .oc-hero-bottom { position: relative; left: auto; right: auto; bottom: auto; flex-direction: column; align-items: flex-start; gap: 5vw; margin-top: 10vw; }
  .oc-hero-tag { max-width: none; }
  .oc-btn { padding: 2.6vw 6vw; font-size: 3.4vw; }
  .oc-eyebrow i { width: 1.6vw; height: 1.6vw; }
  .oc-about { grid-template-columns: 1fr; padding: 16vw var(--oc-pad); }
  .oc-about h2 { font-size: 8vw; }
  .oc-about-card { padding: 6vw; gap: 4vw; }
  .oc-tracks { height: auto; }
  .oc-tracks-pin { position: static; height: auto; flex-direction: column; align-items: stretch; gap: 5vw; padding: 10vw var(--oc-pad); overflow: visible; }
  .oc-tracks-num, .oc-tracks-list { display: none; }
  .oc-tracks-center { flex-direction: column; gap: 5vw; height: auto; }
  .oc-tcard { position: relative; width: 100%; height: auto; min-height: 60vw; transform: none !important; opacity: 1 !important; padding: 6vw; gap: 6vw; }
  .oc-tcard h3 { font-size: 7vw; }
  .oc-tcard p { max-width: none; }
  .oc-tcard-foot a { padding: 2vw 5vw; }
  .oc-showcase-card { height: 120vw; }
  .oc-showcase-card img { width: 60vw; }
  .oc-showcase-titles { bottom: 24vw; }
  .oc-showcase-titles b, .oc-showcase-titles span { font-size: 6vw; }
  .oc-showcase-tag { display: none; }
  .oc-showcase-modes { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; bottom: 5vw; }
  .oc-mode-pill { padding: 2.6vw 5vw; font-size: 3.2vw; }
  .oc-mode-pill i, .oc-showcase-status i { width: 1.6vw; height: 1.6vw; }
  .oc-wall-head { flex-direction: column; align-items: flex-start; gap: 4vw; }
  .oc-wall-head h2 { font-size: 9vw; }
  .oc-wall-head p { max-width: none; }
  .oc-wall-grid { grid-template-columns: 1fr; }
  .oc-wall-col.offset { padding-top: 0; }
  .oc-wtile.t1 { height: 70vw; } .oc-wtile.t2 { height: 46vw; } .oc-wtile.t3 { height: 55vw; }
  .oc-wtile b { font-size: 3.4vw; padding: 1.6vw 3vw; }
  .oc-sec { grid-template-columns: 1fr; padding: 14vw var(--oc-pad); gap: 8vw; }
  .oc-sec h2 { font-size: 9vw; }
  .oc-sec-copy p { max-width: none; }
  .oc-api-row b { font-size: 4.4vw; }
  .oc-dev { padding: 14vw var(--oc-pad); }
  .oc-dev-head { max-width: none; margin-bottom: 8vw; }
  .oc-dev-head h2 { font-size: 9vw; }
  .oc-dev-head p { max-width: none; }
  .oc-dev-grid { grid-template-columns: 1fr; gap: 5vw; }
  .oc-dev-card { padding: 6vw 5vw; border-radius: 4vw; }
  .oc-dev-tag { font-size: 2.6vw; margin-bottom: 4vw; }
  .oc-dev-card h3 { font-size: 7vw; margin-bottom: 3vw; }
  .oc-dev-card > p { margin-bottom: 4vw; }
  .oc-dev-code { margin-top: 2vw; }
  .oc-dev-code pre { font-size: 2.9vw; }
  .oc-dev-inner { margin-top: 2vw; margin-bottom: 5vw; }
  .oc-dev-card .oc-report-row b { font-size: 6.4vw; }
  .oc-play { grid-template-columns: 1fr; gap: 4vw; margin: 2vw 0 5vw; }
  .oc-play-stage { order: -1; border-radius: 3vw; }
  .oc-play-chars { grid-template-columns: repeat(5, 1fr); gap: 1.6vw; }
  .oc-play-char.is-card { border-radius: 2vw; }
  .oc-play-cap { left: 2.4vw; top: 2.4vw; font-size: 2.4vw; padding: 1.4vw 2.6vw; max-width: calc(100% - 4.8vw); }
  .oc-play-col { gap: 4vw; }
  .oc-play-label { font-size: 2.6vw; margin-bottom: 1.8vw; }
  .oc-play-chars button, .oc-play-outfits button { border-radius: 1.6vw; }
  .oc-play-outfits { gap: 1.6vw; }
  .oc-play-outfits button span { font-size: 2vw; padding: 0.8vw 0; }
  .oc-play-scenes { flex-direction: row; flex-wrap: wrap; gap: 1.8vw; }
  .oc-play-scenes button i { width: 2vw; height: 2vw; }
  .oc-play-scenes button, .oc-play-voices button { font-size: 3vw; padding: 1.4vw 3.6vw; gap: 1.6vw; }
  .oc-play-voices { gap: 1.8vw; }
  .oc-code { padding: 5vw; border-radius: 3vw; }
  .oc-code-head { font-size: 2.6vw; padding-bottom: 3vw; margin-bottom: 4vw; }
  .oc-code pre { font-size: 3vw; }
  .oc-mon-top { flex-wrap: wrap; gap: 2vw; padding: 3vw; }
  .oc-mon-tabs { order: 3; width: 100%; margin: 0; }
  .oc-mon-tabs button { font-size: 2.6vw; padding: 1.2vw 3vw; }
  .oc-mon-body { flex-direction: column; }
  .oc-mon-side { width: auto; border-left: 0; border-top: 1px solid var(--mon-line); }
  .oc-mon[data-view="alerts"] .oc-mon-side { border-top: 0; }
  .oc-mon-row, .oc-dev-card .oc-mon-row { grid-template-columns: 1fr 13vw 13vw; gap: 2vw; padding: 2.6vw 3vw; }
  .oc-mon-chan { display: none; }
  .oc-mon-stats > div { padding: 3vw; }
  .oc-mon-bars { height: 18vw; }
  .oc-mon-chart { padding: 3vw; }
  .oc-mon-side-head, .oc-mon-alert { padding: 2.6vw 3vw; }
  .oc-report { padding: 5vw; border-radius: 3vw; }
  .oc-report-head { font-size: 2.6vw; }
  .oc-report-live i { width: 1.4vw; height: 1.4vw; }
  .oc-report-row { padding: 3.4vw 0; }
  .oc-report-row b { font-size: 8vw; }
  .oc-report-row b sub { font-size: 3.2vw; }
  .oc-step { gap: 3vw; padding: 3vw 0; }
  .oc-step b { font-size: 4.6vw; }
  .oc-tracks-eyebrow { display: none; }
  .oc-cta-icon { display: none; }
  .oc-faq { grid-template-columns: 1fr; }
  .oc-faq h2 { font-size: 9vw; }
  .oc-faq summary { font-size: 4.5vw; padding: 4vw 0; }
  .oc-faq details p { max-width: none; }
  .oc-cta { padding: 20vw var(--oc-pad); }
  .oc-cta-text h2 { font-size: 11vw; }
  .oc-cta-icon { display: none; }
  .oc-footer-top { flex-wrap: wrap; gap: 8vw; }
  .oc-footer-brand { font-size: 14vw; }
  .oc-footer-bottom { flex-direction: column; gap: 2vw; }
}