:root{--background:#F8F9FC;--foreground:#1F2937;--primary:#8B5CF6;--primary-hover:#7C3AED;--primary-light:#EDE9FE;--secondary:#60A5FA;--accent:#F59E0B;--mistake:#EF4444;--success:#10B981;--card-bg:#FFFFFF;--card-shadow:0 1px 3px rgba(0,0,0,0.05),0 10px 40px rgba(0,0,0,0.03);--card-shadow-hover:0 4px 12px rgba(0,0,0,0.08),0 16px 48px rgba(0,0,0,0.06);--radius:1.25rem;--radius-sm:0.75rem}*{box-sizing:border-box}body{color:var(--foreground);background:var(--background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6;margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}.card{background:var(--card-bg);box-shadow:var(--card-shadow);border-radius:var(--radius);padding:2rem;animation:fadeIn .5s cubic-bezier(.4,0,.2,1);transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.04)}.card:hover{box-shadow:var(--card-shadow-hover);transform:translateY(-2px)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 1.75rem;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;transition:all .2s cubic-bezier(.4,0,.2,1);border:none;cursor:pointer;text-decoration:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-hover) 100%);color:white;box-shadow:0 4px 14px rgba(139,92,246,.35)}.btn-primary:hover{box-shadow:0 6px 20px rgba(139,92,246,.45);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:white;color:var(--primary);border:2px solid var(--primary-light)}.btn-secondary:hover{background:var(--primary-light);border-color:var(--primary)}.input{border:2px solid #e5e7eb;background-color:white;transition:all .2s;border-radius:var(--radius-sm);padding:.75rem 1rem;font-size:.95rem;width:100%}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(139,92,246,.1)}.input::placeholder{color:#9CA3AF}.loading-spinner{width:2.5rem;height:2.5rem;border:3px solid rgba(139,92,246,.1);border-top:3px solid var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:3rem auto}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.text-gradient{background:linear-gradient(135deg,var(--primary) 0,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-flex;align-items:center;padding:.375rem .875rem;border-radius:9999px;font-size:.8125rem;font-weight:600;background:var(--primary-light);color:var(--primary)}.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(0,0,0,.06),transparent);margin:2rem 0}.bg-aurora,.text-aurora{background:linear-gradient(90deg,#4f46e5,#7c3aed)}.text-aurora{-webkit-background-clip:text;-webkit-text-fill-color:transparent}.footer-link:hover{color:var(--primary)!important}.shadow-float{box-shadow:0 10px 40px -10px rgba(99,102,241,.2)}.bg-background-base{background-color:#f8fafc}.custom-scrollbar::-webkit-scrollbar{width:8px;height:8px}.custom-scrollbar::-webkit-scrollbar-track{background:#f1f5f9;border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#6F42C1,#8B5CF6);border-radius:10px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#5B32A8,#6F42C1)}.neo-card-light{background:#ffffff;border:1px solid #f1f5f9;box-shadow:6px 6px 16px rgba(148,163,184,.15),-6px -6px 16px rgba(255,255,255,.8)}.neo-inset-light{background:#f1f5f9;box-shadow:inset 3px 3px 6px rgba(148,163,184,.15),inset -3px -3px 6px rgba(255,255,255,.9)}.glass-panel-light{background:rgba(255,255,255,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.5)}@keyframes breathe-light{0%,to{box-shadow:0 0 0 0 rgba(99,102,241,0)}50%{box-shadow:0 0 20px 0 rgba(99,102,241,.15)}}.animate-breathe-light{animation:breathe-light 4s ease-in-out infinite}