:root {
  --bg: #000000;
  --surface: #111217;
  --elevated: #191a21;
  --panel: #191a21;
  --text: #e8e8e8;
  --ink: #e8e8e8;
  --muted: rgba(217, 217, 217, 0.68);
  --hairline: #24252d;
  --hairline-strong: #1a1a1f;
  --primary: #7160f7;
  --primary-fg: #ffffff;
  --primary-hover: #8a7bff;
  --brand: #7160f7;
  --brand-2: #a99eff;
  --link: #a99eff;
  --tint: rgba(113, 96, 247, 0.15);
  --scrim: color-mix(in srgb, #000000 55%, transparent);
  --font-heading: "Instrument Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Instrument Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-ui: "Instrument Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --btn-radius: 30px;
  --btn-padding-y: 8px;
  --btn-padding-x: 20px;
  --btn-transform: none;
  --radius-card: 8px;
  --header-h: 112px;
  --follow-h: 72px;
  --gutter: clamp(16px, 3vw, 40px);
  --wrap: min(1120px, 100% - var(--gutter) * 2);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  padding-bottom: calc(var(--follow-h) + env(safe-area-inset-bottom));
}
.legal-page { padding-bottom: env(safe-area-inset-bottom); }
img, video { max-width: 100%; display: block; }
a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { color: #cfc6ff; }
:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
}

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 200;
  background: var(--primary); color: var(--primary-fg);
  padding: 8px 14px; border-radius: var(--btn-radius);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding: clamp(40px, 6vw, 88px) 0; }
.section-tight { padding: clamp(28px, 4vw, 48px) 0; }
.section-kicker {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin: 0 0 10px;
  font-weight: 500;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.14;
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin: 0 0 16px; }
h2 { font-size: clamp(1.32rem, 2.4vw, 1.9rem); margin: 0 0 16px; }
h3 { font-size: 1.06rem; margin: 0 0 8px; font-weight: 600; }
p { margin: 0 0 1em; }
.lede { font-size: 1.12rem; }
.muted { color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  letter-spacing: 0.28px;
  text-decoration: none;
  border-radius: var(--btn-radius);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  text-transform: var(--btn-transform);
  border: 0 solid transparent;
  cursor: pointer;
  min-height: 44px;
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--primary-fg);
}
.btn-secondary {
  background: rgba(191, 191, 255, 0.1);
  color: #d9d9d9;
  padding: var(--btn-padding-y) var(--btn-padding-x);
}
.btn-secondary:hover { background: rgba(191, 191, 255, 0.16); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.site-header {
  position: relative;
  z-index: 40;
  background: #000;
  border-bottom: 1px solid var(--hairline);
}
.masthead {
  width: var(--wrap);
  margin-inline: auto;
  padding: 10px 0 8px;
}
.masthead-top {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: 52px;
}
.masthead-top .nav-toggle { grid-column: 1; }
.brand-cluster {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand-cluster img { width: 40px; height: 40px; }
.brand-word {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.masthead-actions {
  grid-column: 3;
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 2px;
  padding: 4px 0 8px;
}
.site-nav a {
  font-family: var(--font-ui);
  font-size: 0.84rem;
  color: var(--muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--tint);
}
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 8px;
  border: 1px solid var(--hairline);
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 16px; height: 1.5px; margin: 4px auto; background: var(--ink);
}

.hero {
  position: relative;
  padding: 28px 0 8px;
  min-height: calc(100svh - var(--header-h) - var(--follow-h));
}
.hero-screen {
  position: relative;
  width: min(1120px, 100% - var(--gutter) * 2);
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #0a0a0c;
  border: 1px solid var(--hairline);
}
.hero-screen img,
.hero-screen video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}
.hero-screen img { z-index: 0; }
.hero-screen video { z-index: 1; }
.hero-scrim {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(90deg, rgba(113, 96, 247, 0.16), transparent 50%);
}
.hero-copy {
  width: var(--wrap);
  margin: 28px auto 0;
}
.hero-byline {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0 0 12px;
}
.hero.is-static .hero-screen video { display: none; }

.showcase-led { padding-top: clamp(20px, 3vw, 36px); }
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.showcase-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  min-width: 0;
}
.showcase-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0c0d10;
  overflow: hidden;
}
.showcase-media img,
.showcase-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}
.showcase-card .cap {
  margin: 0;
  padding: 12px 14px 14px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
}

.cta-band {
  background: var(--surface);
  border-block: 1px solid var(--hairline);
  padding: 28px 0;
}
.cta-band .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.cta-band h2 { margin: 0; font-size: 1.28rem; }

.bento,
.steps,
.link-grid,
.card-grid,
.model-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 18px;
}
.card:hover { border-color: rgba(113, 96, 247, 0.45); }
.card p:last-child { margin-bottom: 0; }
.steps article {
  background: var(--elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 18px 20px;
}
.step-n {
  font-family: var(--font-ui);
  color: var(--brand-2);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.benefit {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 20px 22px;
}
.benefit p:last-child { margin-bottom: 0; }
.audience-list { display: grid; gap: 14px; }
.audience-list article {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
}
.audience-list article:last-child { border-bottom: 0; }

.disclaimer {
  border-top: 1px solid var(--hairline);
  padding-top: 18px;
  color: var(--muted);
}

.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  color: var(--ink);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 16px 0;
  min-height: 44px;
  cursor: pointer;
}
.faq-a { padding: 0 0 16px; color: var(--text); }

.rating {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 28px;
  border-radius: var(--radius-card);
}
.rating-score {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 6px;
}
.reviews { display: grid; gap: 12px; }
.review {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: 16px 18px;
  border-radius: var(--radius-card);
}
.review .who { font-family: var(--font-ui); color: var(--muted); font-size: 0.88rem; }

.final-cta {
  background: var(--elevated);
  border-top: 1px solid var(--hairline);
  padding: clamp(40px, 6vw, 72px) 0;
}

.crumbs { padding: 20px 0 0; font-family: var(--font-ui); font-size: 0.9rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 0; padding: 0; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 10px; color: var(--muted); }
.page-hero { padding: 28px 0 8px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 500; font-family: var(--font-ui); }

.site-footer {
  background: #000;
  border-top: 1px solid var(--hairline);
  padding: 40px 0 32px;
  color: var(--muted);
  font-size: 0.95rem;
}
.footer-grid { display: grid; gap: 24px; }
.legal-links { display: flex; flex-direction: column; gap: 8px; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 12px;
}
.footer-brand img { width: 32px; height: 32px; }

.follow-cta {
  position: fixed;
  z-index: 30;
  right: 20px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--btn-radius);
  padding: 8px 10px 8px 16px;
}
.follow-cta p { margin: 0; font-size: 0.88rem; color: var(--muted); font-family: var(--font-ui); }
.follow-cta.is-hidden { opacity: 0; pointer-events: none; transform: translateY(12px); }
.legal-page .follow-cta { display: none !important; }

.cta-stub {
  max-width: 28rem;
  padding: 24px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--elevated);
  color: var(--text);
}
.cta-stub::backdrop { background: rgba(0, 0, 0, 0.78); }
.cta-stub h2 { margin-top: 0; }
.cta-stub-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.cta-stub .btn {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--hairline);
}

@media (min-width: 700px) {
  .showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .link-grid, .card-grid, .model-grid, .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .reviews { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .showcase-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .link-grid, .card-grid { grid-template-columns: repeat(3, 1fr); }
  .model-grid { grid-template-columns: 1fr 1fr; }
  .reviews { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  :root { --header-h: 64px; }
  .site-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 12px;
  }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; flex-direction: column; }
  .hero { padding-top: 16px; }
  .follow-cta {
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 0;
    justify-content: space-between;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  }
}