body {
  font-family: 'Segoe UI', 'Arial', sans-serif;
  background: #fff;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 50px auto;
  background: #fff;
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 2px 8px #eee;
}

h2 {
  text-align: left;
  margin-bottom: 24px;
}

.version-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}

.version-table th, .version-table td {
  padding: 10px 12px;
  text-align: left;
}

.version-table th {
  color: #444;
  font-weight: bold;
  border-bottom: 2px solid #eee;
}

.version-table tr:not(:last-child) td {
  border-bottom: 1px solid #f0f0f0;
}

.version-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.gantt-chart {
  position: relative;
  width: 100%;
  border-left: 2px solid #f0f0f0;
  margin-top: 16px;
  box-sizing: border-box;
}

.gantt-years {
  display: flex;
  position: relative;
  left: 48px;
  margin-bottom: 2px;
  width: calc(100% - 48px);
}

.gantt-years span {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: #888;
  padding: 0 2px;
}

.gantt-row-label {
  position: absolute;
  left: 0;
  width: 48px;
  text-align: center;
  font-size: 14px;
  color: #333;
  top: 0;
  height: 22px;
  line-height: 22px;
}

.gantt-row {
  display: flex;
  align-items: center;
  position: relative;
  height: 18px;
  margin-bottom: 2px;
  width: 100%;
}

.gantt-bar {
  position: absolute;
  left: 0;
  top: 3px;
  height: 14px;
  opacity: 0.95;
}

.gantt-bar-large {
  position: absolute;
  left: 0;
  top: 3px;
  height: 22px;
  opacity: 0.95;
}

.gantt-today {
  position: absolute;
  border-left: 2px dashed #1890ff;
  height: 100%;
  top: 0;
  z-index: 2;
}

.gantt-today-label {
  position: absolute;
  left: -30px;
  top: 0;
  color: #1890ff;
  font-size: 14px;
  font-weight: bold;
  z-index: 3;
}

@media (max-width: 700px) {
  .container { padding: 8px; }
  .gantt-chart { padding-left: 30px; }
  .gantt-row-label { width: 30px; font-size: 12px; }
}

.header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
.logo {
  font-size: 48px;
  font-weight: bold;
  letter-spacing: 2px;
}
.badge {
  background: #95de64;
  color: #fff;
  font-size: 18px;
  border-radius: 6px;
  padding: 2px 10px;
  margin-left: 10px;
  font-weight: bold;
  margin-top: 14px;
}
.legend-box {
  background: #f8fbfa;
  border: 2px solid #e6efed;
  border-radius: 6px;
  margin-top: 16px;
  padding: 24px 32px;
}
.legend-item {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.legend-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 10px;
}
.legend-desc {
  color: #666;
  margin-left: 12px;
  font-size: 15px;
}