[data-theme=macaron]{--primary-color:#FFB6C1;--primary-light:#FFD1DC;--primary-dark:#FF69B4;--secondary-color:#E8B4CB;--accent-color:#FF69B4;--background-color:#FFF5F5;--surface-color:#FFFFFF;--text-primary:#4A4A4A;--text-secondary:#6B7280;--text-light:#9CA3AF;--border-color:#F3E8EE;--shadow-color:rgba(255, 182, 193, 0.2)}[data-theme=sky-cyan]{--primary-color:#06B6D4;--primary-light:#22D3EE;--primary-dark:#0891B2;--secondary-color:#67E8F9;--accent-color:#A5F3FC;--background-color:#ECFEFF;--surface-color:#FFFFFF;--text-primary:#164E63;--text-secondary:#0E7490;--text-light:#67E8F9;--border-color:#CFFAFE;--shadow-color:rgba(6, 182, 212, 0.2)}[data-theme=dark-gray]{--primary-color:#6B7280;--primary-light:#9CA3AF;--primary-dark:#F9FAFB;--secondary-color:#D1D5DB;--accent-color:#E5E7EB;--background-color:#111827;--surface-color:#1F2937;--text-primary:#F9FAFB;--text-secondary:#D1D5DB;--text-light:#9CA3AF;--border-color:#374151;--shadow-color:rgba(107, 114, 128, 0.3)}[data-theme=dark-gray] .navbar{background-color:rgba(31,41,55,.95);border-bottom-color:var(--border-color)}[data-theme=dark-gray] .download-card,[data-theme=dark-gray] .feature-card,[data-theme=dark-gray] .testimonial-card{background-color:var(--surface-color);border-color:var(--border-color)}[data-theme=dark-gray] .advantages,[data-theme=dark-gray] .download,[data-theme=dark-gray] .hero{background:linear-gradient(135deg,var(--background-color) 0,#1f2937 100%)}[data-theme=dark-gray] .footer{background-color:#030712}*{transition:background-color .3s,color .3s,border-color .3s,box-shadow .3s}.theme-switcher{padding:6px 8px;border-radius:20px;background:var(--surface-color);box-shadow:var(--shadow-sm)}.theme-option{width:24px;height:24px;border-radius:50%;border:3px solid transparent;cursor:pointer;position:relative}.theme-option::after{content:'';position:absolute;top:-3px;left:-3px;right:-3px;bottom:-3px;border-radius:50%;border:2px solid transparent;transition:var(--transition-fast)}.theme-option.active::after{border-color:var(--text-primary)}.theme-option[data-theme=macaron]{background:linear-gradient(135deg,#ffb6c1 0,#ff69b4 100%)}.theme-option[data-theme=sky-cyan]{background:linear-gradient(135deg,#06b6d4 0,#0891b2 100%)}.theme-option[data-theme=dark-gray]{background:linear-gradient(135deg,#6b7280 0,#4b5563 100%)}[data-theme=dark-gray] .btn-secondary{background:var(--surface-color);border-color:var(--border-color);color:var(--text-primary)}[data-theme=dark-gray] .btn-secondary:hover{border-color:var(--primary-color);color:var(--primary-light)}[data-theme=dark-gray] .theme-switcher{background:var(--surface-color);border-color:var(--border-color)}[data-theme=dark-gray] .language-btn{background:var(--surface-color);border-color:var(--border-color);color:var(--text-secondary)}[data-theme=dark-gray] .language-dropdown{background:var(--surface-color);border-color:var(--border-color)}[data-theme=dark-gray] .language-option:hover{background-color:var(--background-color)}[data-theme=sky-cyan] .feature-card::before{background:linear-gradient(90deg,var(--primary-light) 0,var(--primary-dark) 100%)}[data-theme=sky-cyan] .feature-icon{background:linear-gradient(135deg,var(--primary-light) 0,var(--primary-color) 100%)}[data-theme=sky-cyan] .btn-primary{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-dark) 100%);box-shadow:0 4px 14px var(--shadow-color)}[data-theme=sky-cyan] .btn-primary:hover{box-shadow:0 6px 20px var(--shadow-color)}[data-theme=macaron] .feature-card::before{background:linear-gradient(90deg,#ffb6c1 0,#ff69b4 100%)}[data-theme=macaron] .feature-icon{background:linear-gradient(135deg,#ffd1dc 0,#ffb6c1 100%)}[data-theme=macaron] .btn-primary{background:linear-gradient(135deg,#ffb6c1 0,#ff69b4 100%);box-shadow:0 4px 14px rgba(255,182,193,.3)}[data-theme=macaron] .btn-primary:hover{box-shadow:0 6px 20px rgba(255,182,193,.4)}@media (max-width:768px){.theme-switcher{padding:4px 6px}.theme-option{width:20px;height:20px}}