.yuanyu-page{color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg-deep:#080810;--bg-secondary:#0d0d1a;--bg-card:#141420;--brand-primary:#5b5bd6;--brand-secondary:#8b5cf6;--brand-accent:#a78bfa;--gradient-brand:linear-gradient(135deg,#5b5bd6 0%,#8b5cf6 50%,#a78bfa 100%);--gradient-flow:linear-gradient(90deg,#5b5bd6,#8b5cf6,#5b5bd6);--text-primary:#fff;--text-secondary:#b4b4c8;--text-muted:#6b6b80;--text-accent:#c4b5fd;--glow-primary:#5b5bd64d;--glow-secondary:#8b5cf666;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--text-5xl:3rem;--text-6xl:3.75rem;--text-7xl:4.5rem;--leading-tight:1.2;--leading-normal:1.6;--leading-relaxed:2;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--shadow-glow-sm:0 0 20px #5b5bd626;--shadow-glow-md:0 0 40px #5b5bd640;--shadow-glow-lg:0 0 60px #8b5cf64d;--shadow-card:0 8px 32px #0000004d;--shadow-card-hover:0 16px 48px #00000080;background-color:#080810;font-family:Noto Sans SC,Source Han Sans CN,system-ui,sans-serif;line-height:1.6;position:relative}.yuanyu-page *{box-sizing:border-box}.yuanyu-page>section{z-index:10;position:relative}.yuanyu-page .container{width:100%;max-width:1400px;padding:0 var(--space-8);margin:0 auto}.yuanyu-page .btn-primary{background:var(--gradient-brand);color:#fff;font-size:var(--text-base);border-radius:var(--radius-lg);cursor:pointer;box-shadow:var(--shadow-glow-sm);border:none;justify-content:center;align-items:center;padding:1rem 2.5rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex}.yuanyu-page .btn-primary:hover{box-shadow:var(--shadow-glow-md);transform:translateY(-2px)}.yuanyu-page .btn-secondary{color:var(--text-accent);font-size:var(--text-base);border:2px solid var(--brand-primary);border-radius:var(--radius-lg);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:1rem 2.5rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex}.yuanyu-page .btn-secondary:hover{background:var(--brand-primary);color:#fff;box-shadow:var(--shadow-glow-sm)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:0 0 20px #5b5bd626}50%{box-shadow:0 0 40px #5b5bd64d}}.yuanyu-page .animate-fadeInUp{animation:.8s ease-out forwards fadeInUp}.yuanyu-page .animate-fadeIn{animation:1s ease-out forwards fadeIn}.yuanyu-page .animate-pulse{animation:2s ease-in-out infinite pulse}.yuanyu-page .animate-glow{animation:3s ease-in-out infinite glow}.yuanyu-page .card{background:var(--bg-card);border-radius:var(--radius-xl);padding:var(--space-8);border:1px solid #5b5bd61a;transition:all .3s}.yuanyu-page .card:hover{box-shadow:var(--shadow-card-hover);border-color:#5b5bd64d;transform:translateY(-4px)}.yuanyu-page .section-title{text-align:center;margin-bottom:var(--space-4);background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-family:Microsoft YaHei,Noto Sans SC,Source Han Sans CN,system-ui,sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:700}.yuanyu-page .section-subtitle{font-size:var(--text-lg);color:var(--text-secondary);text-align:center;margin-bottom:var(--space-12)}.yuanyu-page .text-gradient{background:var(--gradient-brand);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.yuanyu-page ::-webkit-scrollbar{width:8px}.yuanyu-page ::-webkit-scrollbar-track{background:var(--bg-deep)}.yuanyu-page ::-webkit-scrollbar-thumb{background:var(--brand-primary);border-radius:var(--radius-sm)}.yuanyu-page ::-webkit-scrollbar-thumb:hover{background:var(--brand-secondary)}.yuanyu-page .particle-background{pointer-events:none;z-index:0;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}@media (max-width:768px){.yuanyu-page .container{padding:0 var(--space-4)}.yuanyu-page .btn-primary,.yuanyu-page .btn-secondary{font-size:var(--text-sm);padding:.875rem 2rem}.yuanyu-page .card{padding:var(--space-4)}}