:root {
  --bg-0: #041120;
  --bg-1: #081b32;
  --panel: rgba(10, 33, 58, 0.74);
  --line: rgba(136, 173, 214, 0.32);
  --text: #eaf3fd;
  --muted: #a8bfd8;
  --sky: #69bbff;
  --teal: #4de1cc;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Sora, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 88% 2%, rgba(78, 225, 205, 0.18), transparent 35%),
    radial-gradient(circle at 8% 18%, rgba(105, 187, 255, 0.2), transparent 30%),
    linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 44%, #06162a 100%);
  min-height: 100vh;
}
.container { width: min(100% - 2rem, 1040px); margin: 0 auto; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(6, 20, 36, 0.82);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}
.brand {
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
}
.brand img { width: 34px; height: 34px; object-fit: contain; }
.brand span { font-size: 0.86rem; font-weight: 800; letter-spacing: 0.08em; }
.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.62rem 0.84rem;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-weight: 700;
}
.btn-primary { color: #041726; background: linear-gradient(120deg, var(--sky), #9edbff 72%); }
.btn-secondary { color: var(--text); border-color: var(--line); background: rgba(16, 45, 75, 0.62); }
main { padding: 2.1rem 0 2.2rem; }
.panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: clamp(1rem, 3vw, 1.4rem);
}
.panel + .panel { margin-top: 0.9rem; }
.section-nav {
  position: sticky;
  top: 84px;
  z-index: 70;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(6, 21, 37, 0.84);
  backdrop-filter: blur(8px);
  padding: 0.52rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}
.section-nav a {
  text-decoration: none;
  color: #d9ebff;
  border: 1px solid rgba(136, 173, 214, 0.25);
  border-radius: 999px;
  padding: 0.32rem 0.56rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.section-nav a:hover {
  border-color: rgba(105, 187, 255, 0.62);
  color: var(--text);
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.78rem;
  font-size: 0.74rem;
  color: #b8d1ea;
}
.crumbs a {
  color: #b8d1ea;
  text-decoration: none;
}
.crumbs a:hover { color: #ddecff; }
.detail-hero {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 0.85rem;
  align-items: stretch;
}
.detail-copy { min-width: 0; }
.detail-copy p { max-width: 62ch; }
.detail-media {
  margin: 0;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(136, 173, 214, 0.24);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(7, 25, 45, 0.62);
  min-height: 0;
}
.detail-media img,
.detail-media video {
  width: 100%;
  height: 100%;
  max-width: 100%;
  min-height: 0;
  display: block;
  object-fit: cover;
}
.detail-media-empty {
  min-height: 0;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.8rem;
  color: #b8d1ea;
  font-size: 0.8rem;
}
.flow-list {
  margin-top: 0.9rem;
  margin-left: 0;
  list-style: none;
  counter-reset: flow-step;
  display: grid;
  gap: 0.52rem;
}
.flow-list li {
  counter-increment: flow-step;
  border: 1px solid rgba(136, 173, 214, 0.24);
  border-radius: 10px;
  background: rgba(6, 21, 37, 0.5);
  padding: 0.56rem 0.62rem 0.56rem 2.05rem;
  position: relative;
}
.flow-list li::before {
  content: counter(flow-step);
  position: absolute;
  left: 0.62rem;
  top: 0.56rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 0.66rem;
  font-weight: 800;
  color: #052036;
  background: linear-gradient(120deg, var(--sky), #9edbff 72%);
}
.faq-list {
  margin-top: 0.86rem;
  display: grid;
  gap: 0.56rem;
}
.faq-item {
  border: 1px solid rgba(136, 173, 214, 0.24);
  border-radius: 10px;
  background: rgba(6, 21, 37, 0.5);
  padding: 0.6rem 0.66rem;
}
.faq-item h3 {
  font-size: 0.92rem;
  margin-bottom: 0.22rem;
}
.faq-item p {
  font-size: 0.84rem;
  line-height: 1.48;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 0.8rem;
}
.kicker::before { content: ""; width: 1.4rem; height: 1px; background: var(--teal); }
h1 {
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  line-height: 1.08;
  margin-bottom: 0.7rem;
  letter-spacing: -0.02em;
}
p { color: var(--muted); line-height: 1.54; }
ul {
  margin-top: 0.86rem;
  margin-left: 1.1rem;
  display: grid;
  gap: 0.32rem;
  color: #d8ebff;
  line-height: 1.5;
}
.cta {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.58rem;
}
.meta {
  margin-top: 1rem;
  border: 1px solid rgba(136, 173, 214, 0.22);
  border-radius: 11px;
  background: rgba(6, 21, 37, 0.45);
  padding: 0.62rem 0.72rem;
  color: #bed7ef;
  font-size: 0.78rem;
  line-height: 1.45;
}
@media (max-width: 760px) {
  .topbar-inner { min-height: 64px; }
  .brand span { font-size: 0.76rem; letter-spacing: 0.06em; }
  .top-actions { gap: 0.42rem; }
  .btn { font-size: 0.75rem; padding: 0.58rem 0.74rem; }
  main { padding-top: 1.2rem; }
  .meta { font-size: 0.73rem; }
  .section-nav {
    top: 70px;
    gap: 0.34rem;
    padding: 0.44rem;
  }
  .section-nav a {
    font-size: 0.66rem;
    padding: 0.3rem 0.5rem;
  }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-media,
  .detail-media img,
  .detail-media video,
  .detail-media-empty {
    min-height: 0;
  }
  .detail-media { aspect-ratio: 16 / 10; }
}