* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: linear-gradient(135deg, #1e1e2f 0%, #2a2a4a 100%);
  color: #eaeaea;
  min-height: 100vh;
}
.container {
  max-width: 720px;
  margin: 40px auto;
  padding: 32px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
h1 { margin-top: 0; font-size: 24px; }
.sub { color: #aaa; margin-bottom: 24px; }
.form { display: flex; flex-direction: column; gap: 8px; }
.form label { font-size: 14px; color: #bbb; }
.form input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #444;
  background: #1a1a2a;
  color: #eee;
  font-size: 14px;
}
.form button {
  margin-top: 12px;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(90deg, #6a5acd, #8a2be2);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.form button:disabled { opacity: 0.5; cursor: not-allowed; }
.status { margin-top: 20px; color: #8fd3ff; min-height: 20px; }
.result { margin-top: 24px; }
.result video { width: 100%; border-radius: 12px; background: #000; }
.result a { color: #8fd3ff; }
.hidden { display: none; }