:root{--primary: #4F46E5;--primary-light: #EEF2FF;--text-primary: #111827;--text-secondary: #475569;--bg-page: #F8FAFC;--bg-card: #FFFFFF;--border-color: #E2E8F0}@keyframes pulse-ring{0%{transform:scale(.33)}80%,to{opacity:0}}@keyframes pulse-dot{0%{transform:scale(.8)}50%{transform:scale(1)}to{transform:scale(.8)}}.dark{--text-primary: #F3F4F6;--text-secondary: #9CA3AF;--bg-page: #111827;--bg-card: #1F2937;--border-color: #374151}body{font-family:var(--font-sans, "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif);background-color:var(--bg-page);color:var(--text-primary)}.timeline-container{position:relative;padding-left:2.5rem}.timeline-container:before{content:"";position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--border-color)}.timeline-item{position:relative;margin-bottom:3.5rem}.timeline-dot{position:absolute;left:-2.25rem;top:.75rem;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--primary);z-index:10}.timeline-dot.pulse:before{content:"";position:absolute;left:-10px;top:-10px;width:38px;height:38px;background-color:var(--primary);border-radius:50%;opacity:.4;animation:pulse-ring 2s cubic-bezier(.215,.61,.355,1) infinite;z-index:-1}.version-card{transition:all .3s ease}.version-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px -5px #0000001a}body.dark{background-color:#111827;color:#f3f4f6}body.dark .bg-white{background-color:#1f2937}body.dark .text-gray-800{color:#f9fafb}body.dark .text-gray-600{color:#9ca3af}body.dark .timeline-container:before{background:#374151}body.dark .border-gray-200{border-color:#374151}