* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f8f9fa; color: #1a2744; }
header { background: linear-gradient(135deg, #1B6B7B, #145A68); padding: 48px 20px; text-align: center; }
header h1 { color: #fff; font-size: 32px; font-weight: 900; letter-spacing: -0.5px; }
header p { color: rgba(255,255,255,0.75); font-size: 14px; margin-top: 8px; }
.lang-toggle { display: flex; justify-content: center; gap: 12px; padding: 20px; background: #fff; border-bottom: 1px solid #e2e8f0; position: sticky; top: 0; z-index: 10; }
.lang-btn { padding: 10px 28px; border-radius: 24px; border: 2px solid #1B6B7B; background: transparent; color: #1B6B7B; font-weight: 700; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.lang-btn:hover { background: rgba(27,107,123,0.08); }
.lang-btn.active { background: #1B6B7B; color: #fff; }
.container { max-width: 780px; margin: 0 auto; padding: 40px 20px 80px; }
.section { display: none; } .section.active { display: block; }
h2 { font-size: 17px; font-weight: 700; color: #1B6B7B; margin: 36px 0 12px; padding-bottom: 8px; border-bottom: 2px solid #e8f4f6; }
h3 { font-size: 15px; font-weight: 600; color: #1a2744; margin: 20px 0 8px; }
p { font-size: 15px; line-height: 1.75; color: #444; margin-bottom: 12px; }
ul { padding-left: 22px; margin-bottom: 14px; }
li { font-size: 15px; line-height: 1.75; color: #444; margin-bottom: 6px; }
.date { font-size: 13px; color: #94a3b8; text-align: center; margin-bottom: 36px; font-style: italic; }
.highlight { background: rgba(27,107,123,0.06); border-left: 4px solid #1B6B7B; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.highlight p { margin: 0; font-size: 14px; color: #1B6B7B; }
.warning { background: rgba(232,93,4,0.08); border-left: 4px solid #E85D04; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.warning p { margin: 0; font-size: 14px; color: #E85D04; font-weight: 600; }
footer { background: #1a2744; color: rgba(255,255,255,0.6); text-align: center; padding: 24px 20px; font-size: 13px; }
footer a { color: #E85D04; text-decoration: none; }
@media (max-width: 600px) { header h1 { font-size: 24px; } .container { padding: 24px 16px 60px; } }