* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.65; color: #2b2b2b; background: #f5f5f5;
}
.container { max-width: 880px; margin: 0 auto; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.08); }
header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff;
  padding: 36px 20px; text-align: center;
}
header h1 { font-size: 2em; margin-bottom: 6px; }
header p { opacity: .9; }
.langs { text-align: center; padding: 14px; background: #f3f0fb; font-weight: 600; }
.langs a { color: #5b4bc4; margin: 0 10px; text-decoration: none; }
.langs a:hover { text-decoration: underline; }
.content { padding: 28px 32px 40px; }
.updated { background: #fff8e1; border-left: 4px solid #ffc107; padding: 12px 16px; border-radius: 4px; margin-bottom: 24px; }
section.lang { padding-top: 12px; }
section.lang + section.lang { border-top: 3px solid #eee; margin-top: 40px; }
h2 { color: #5b4bc4; margin: 32px 0 14px; padding-bottom: 8px; border-bottom: 2px solid #e4e0f7; font-size: 1.4em; }
h3 { color: #6b3fa0; margin: 22px 0 10px; font-size: 1.1em; }
p { margin-bottom: 12px; }
ul, ol { margin: 0 0 14px 26px; }
li { margin-bottom: 6px; }
.box { padding: 16px 18px; border-radius: 4px; margin: 16px 0; }
.box.info { background: #e8f1fd; border-left: 4px solid #2f80ed; }
.box.warn { background: #fff3e0; border-left: 4px solid #fb8c00; }
.box.ok { background: #e8f5e9; border-left: 4px solid #43a047; }
table { width: 100%; border-collapse: collapse; margin: 14px 0 18px; font-size: .95em; }
th { background: #667eea; color: #fff; text-align: left; padding: 10px; }
td { border-bottom: 1px solid #e5e5e5; padding: 10px; vertical-align: top; }
a { color: #5b4bc4; }
.btn { display: inline-block; padding: 12px 22px; background: #667eea; color: #fff; text-decoration: none; border-radius: 6px; margin: 6px 6px 6px 0; }
.btn:hover { background: #764ba2; }
footer { text-align: center; padding: 26px 16px; background: #2b2b2b; color: #ddd; font-size: .9em; }
footer a { color: #fff; margin: 0 8px; }
@media (max-width: 700px) {
  header h1 { font-size: 1.5em; }
  .content { padding: 20px 16px 32px; }
  h2 { font-size: 1.2em; }
  table { font-size: .85em; }
  th, td { padding: 7px; }
}