:root{--brand-primary:#ff5000;--brand-primary-light:#ff6c38;--brand-primary-dark:#e04100;--brand-accent:#ff8c00;--brand-success:#10b981;--brand-danger:#ef4444;--brand-bg:#f5f5f5;--brand-card:#fff;--brand-text:#1e293b;--brand-text-secondary:#64748b;--brand-border:#e2e8f0;--brand-shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--brand-shadow-lg:0 10px 25px rgba(0,0,0,.08),0 4px 10px rgba(0,0,0,.04);--brand-radius:12px;--brand-radius-sm:8px;--header-height:64px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--brand-bg);color:var(--brand-text);line-height:1.6}a{color:var(--brand-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--brand-primary-light)}img{height:auto;max-width:100%}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.el-button--primary{--el-button-bg-color:var(--brand-primary);--el-button-border-color:var(--brand-primary);--el-button-hover-bg-color:var(--brand-primary-light);--el-button-hover-border-color:var(--brand-primary-light);--el-button-active-bg-color:var(--brand-primary-dark)}.el-card{border:1px solid var(--brand-border)!important;border-radius:var(--brand-radius)!important;box-shadow:var(--brand-shadow)!important;transition:box-shadow .3s,transform .3s}.el-card:hover{box-shadow:var(--brand-shadow-lg)!important}.el-menu--horizontal{border-bottom:none!important}.el-tag{font-weight:500}.section-container{margin:0 auto;max-width:1200px;padding:0 20px}.section-header{margin-bottom:48px;text-align:center}.section-header h3{color:var(--brand-text);font-size:32px;font-weight:700;margin:0 0 12px}.section-header p{color:var(--brand-text-secondary);font-size:16px;margin:0}.gradient-text{background:linear-gradient(135deg,var(--brand-primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in-up{animation:fadeInUp .6s ease-out}@media(max-width:768px){.section-header h3{font-size:24px}.section-header{margin-bottom:32px}.section-container{padding:0 16px}}