* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  background: #f3f4f6;
  color: #111;
}
.sim-wrap {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 12px 14px 44px;
  background: #fff;
}
h1 {
  margin: 0 auto 16px;
  width: min(620px, 100%);
  min-height: 48px;
  line-height: 48px;
  background: #69acec;
  color: #222;
  font-size: 22px;
  text-align: center;
  font-weight: 900;
}
.sim-panel {
  width: min(760px, 100%);
  margin: 0 auto;
}
.control-row {
  width: min(620px, 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 8px auto 14px;
  font-size: 20px;
}
.control-row label {
  background: #d6d6d6;
  padding: 2px 5px;
  color: #444;
}
.control-row select {
  min-width: 110px;
  height: 30px;
  font-size: 17px;
}
.advanced {
  width: min(620px, 100%);
  margin: 0 auto 14px;
  border: 1px solid #d9e7ff;
  border-radius: 8px;
  padding: 10px 12px;
}
.advanced summary {
  font-weight: 800;
  cursor: pointer;
}
.setting-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.setting-grid label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
}
.setting-grid input {
  height: 34px;
  padding: 0 9px;
  border: 1px solid #cfcfcf;
  border-radius: 6px;
  font-size: 14px;
}
.primary-btn, .download-btn {
  display: block;
  width: min(620px, 100%);
  height: 54px;
  margin: 10px auto 20px;
  border-radius: 6px;
  background: #fff;
  border: 2px solid #0d84ff;
  color: #111;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
}
.primary-btn:hover, .download-btn:hover { background: #f0f8ff; }
.ticket-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px;
  align-items: start;
}
.ticket-card {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 10px;
  background: #fafafa;
}
.ticket-card canvas {
  width: 100%;
  height: auto;
  display: block;
  background: #fff;
  border-radius: 6px;
}
.ticket-meta {
  margin: 8px 0 0;
  text-align: center;
  font-weight: 900;
}
.ticket-card .download-btn {
  width: 100%;
  height: 44px;
  margin: 10px 0 0;
  font-size: 15px;
}
.notice {
  width: min(620px, 100%);
  margin: 18px auto 0;
  color: #444;
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 520px) {
  .sim-wrap { padding-left: 10px; padding-right: 10px; }
  h1 { font-size: 18px; line-height: 1.25; padding: 12px 8px; }
  .control-row { font-size: 18px; }
  .setting-grid { grid-template-columns: 1fr; }
}