:root {
  color-scheme: dark;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  background: #070a09;
  color: #f1f4f1;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body { min-width: 320px; background: #070a09; }

a { color: inherit; }

.page-shell {
  min-height: 100vh;
  background: #070a09;
}

.topbar {
  min-height: 74px;
  padding: 16px clamp(18px, 4vw, 62px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  background: rgba(7, 10, 9, .88);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand strong { display: block; font-size: 17px; }
.brand small { display: block; margin-top: 3px; color: #929b95; font-size: 10px; }

.about-link {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 6px;
  background: rgba(255, 255, 255, .06);
  text-decoration: none;
  font-size: 13px;
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(38px, 7vh, 72px) 0 26px;
}

.intro p { margin: 0 0 10px; color: #d1ad63; font-size: 12px; font-weight: 800; }
.intro h1 { margin: 0; max-width: 760px; font-size: clamp(32px, 4vw, 48px); line-height: 1.08; }
.intro span { display: block; margin-top: 15px; color: #bdc5c0; font-size: 16px; }

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(30px, 6vh, 56px);
}

.scene {
  min-width: 0;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: #0b100f;
  text-decoration: none;
  box-shadow: 0 22px 52px rgba(0, 0, 0, .32);
  transition: transform .2s ease, border-color .2s ease;
  display: grid;
  grid-template-rows: minmax(220px, 1fr) auto;
}

.scene:hover, .scene:focus-visible { transform: translateY(-4px); border-color: #d1ad63; outline: none; }
.scene > img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; object-position: left top; background: #07100e; }

.quiz-visual {
  min-height: 220px;
  padding: 28px;
  background:
    radial-gradient(circle at 80% 20%, rgba(209, 173, 99, .22), transparent 34%),
    linear-gradient(135deg, #15110b 0%, #292015 54%, #0b100f 100%);
  display: grid;
  align-content: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.quiz-visual span {
  color: #d1ad63;
  font-size: 11px;
  font-weight: 900;
}

.quiz-visual strong {
  color: #fff6df;
  font-size: clamp(82px, 8vw, 126px);
  line-height: .88;
}

.quiz-visual p {
  margin: 0;
  color: #d5ccc0;
  font-size: 15px;
}

.quiz-dots {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 8px;
  margin-top: 16px;
  max-width: 360px;
}

.quiz-dots i {
  aspect-ratio: 1;
  border-radius: 5px;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .16);
}

.quiz-dots i:nth-child(-n + 6) {
  background: rgba(209, 173, 99, .88);
  border-color: rgba(239, 210, 141, .95);
}

.training-visual {
  min-height: 220px;
  padding: 28px;
  background:
    radial-gradient(circle at 26% 24%, rgba(68, 177, 255, .28), transparent 28%),
    radial-gradient(circle at 84% 22%, rgba(209, 173, 99, .3), transparent 30%),
    linear-gradient(135deg, #071316 0%, #10201b 50%, #0b100f 100%);
  display: grid;
  align-content: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.training-visual span {
  color: #86d7ff;
  font-size: 11px;
  font-weight: 900;
}

.training-visual strong {
  color: #fff6df;
  font-size: clamp(42px, 5vw, 70px);
  line-height: 1;
}

.training-visual p {
  margin: 0;
  color: #d5ccc0;
  font-size: 15px;
}

.training-table {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.training-table i {
  width: 42px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #f6f0e4;
  color: #141817;
  font-style: normal;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(0, 0, 0, .28);
}

.training-table i:nth-child(even) { color: #b93a3a; }

.training-chips {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.training-chips b {
  min-width: 48px;
  padding: 8px 10px;
  border: 1px solid rgba(239, 210, 141, .5);
  border-radius: 999px;
  background: rgba(209, 173, 99, .12);
  color: #efd28d;
  font-size: 12px;
  text-align: center;
}

.scene-copy {
  padding: 23px 25px 25px;
  background: #0a0e0d;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.scene-copy small { color: #cbd2cd; font-size: 11px; font-weight: 800; }
.scene-copy i { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: #56c893; box-shadow: 0 0 11px rgba(86, 200, 147, .7); }
.scene-copy h2 { margin: 8px 0 6px; font-size: clamp(22px, 2.4vw, 30px); overflow-wrap: anywhere; }
.scene-copy p { margin: 0; max-width: 560px; color: #bbc3be; font-size: 14px; line-height: 1.55; }
.scene-copy strong { display: inline-flex; gap: 8px; margin-top: 15px; color: #efd28d; font-size: 13px; }

footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 28px;
  color: #7e8882;
  font-size: 12px;
}

@media (max-width: 780px) {
  .topbar { min-height: 66px; padding: 12px 16px; }
  .brand img { width: 36px; height: 36px; }
  .brand small { display: none; }
  .about-link { max-width: 118px; padding: 8px 10px; text-align: center; line-height: 1.25; }
  main, footer { width: min(100% - 28px, 620px); }
  main { padding-top: 34px; }
  .intro span { font-size: 14px; line-height: 1.6; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene { min-height: 390px; grid-template-rows: minmax(210px, 1fr) auto; }
  .scene-copy { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .scene { transition: none; }
}