:root{--primary-color: #07c160;--primary-dark: #05a550;--primary-light: #4cd964;--secondary-color: #1890ff;--warning-color: #ff9500;--danger-color: #ff3b30;--success-color: #4cd964;--text-primary: #333333;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #e5e5e5;--bg-color: #f5f5f7;--card-bg: #ffffff;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .16);--border-radius-sm: 6px;--border-radius-md: 10px;--border-radius-lg: 16px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;padding:1.2rem 2rem;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.app-header:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.1) 0%,transparent 50%);pointer-events:none}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;position:relative;z-index:1}.app-header h1{font-size:1.6rem;font-weight:600;margin:0;letter-spacing:-.5px;white-space:nowrap}.language-toggle{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);padding:.5rem 1rem;border-radius:var(--border-radius-md);color:#fff;font-weight:500;cursor:pointer;transition:all var(--transition-normal);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.language-toggle:hover{background:rgba(255,255,255,.3);transform:translateY(-1px);box-shadow:0 4px 12px #0003}.language-toggle:active{transform:translateY(0)}.app-nav{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);display:flex;justify-content:center;padding:0 1rem;overflow-x:auto;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.app-nav button{background:none;border:none;padding:1rem 2rem;font-size:1rem;font-weight:500;cursor:pointer;color:var(--text-secondary);transition:all var(--transition-normal);white-space:nowrap;position:relative}.app-nav button:hover{color:var(--primary-color)}.app-nav button.active{color:var(--primary-color);font-weight:600}.app-nav button.active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:40px;height:3px;background-color:var(--primary-color);border-radius:3px}.app-main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.welcome-card{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;border-radius:var(--border-radius-lg);padding:2rem;margin-bottom:2rem;text-align:center;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.welcome-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 70% 30%,rgba(255,255,255,.15) 0%,transparent 50%);pointer-events:none}.welcome-card h2{margin-bottom:.8rem;font-size:1.8rem;font-weight:600;color:#fff;border-bottom:none;padding-bottom:0;position:relative;z-index:1}.welcome-card p{font-size:1rem;opacity:.95;max-width:700px;margin:0 auto;position:relative;z-index:1;line-height:1.6}.card,.step-section{background-color:var(--card-bg);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);padding:1.8rem;margin-bottom:2rem;transition:all var(--transition-normal);border:1px solid var(--border-color)}.card:hover,.step-section:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card h2,.step-section h2{margin-bottom:1.2rem;color:var(--text-primary);font-size:1.5rem;font-weight:600;padding-bottom:.6rem;border-bottom:2px solid var(--border-color)}.card h3,.step-section h3{margin:0;color:var(--text-primary);font-size:1.1rem;font-weight:500}.step-section{margin-bottom:2rem}.step-header{display:flex;align-items:center;margin-bottom:.8rem}.step-number{display:inline-block;color:var(--primary-color);font-weight:600;margin-right:.5rem}.rules-container{background-color:#f0f9eb;border-radius:var(--border-radius-md);border-left:4px solid var(--primary-color);padding:1rem;margin-bottom:1.5rem}.rules-container h4{margin-bottom:.5rem;color:var(--text-primary);font-weight:500;font-size:1rem}.rules-container ul{list-style:none;padding-left:1rem;margin:.5rem 0}.rules-container li{color:var(--text-secondary);font-size:.9rem;margin-bottom:.3rem;line-height:1.5}.step-section .form-group div p,.step-section .rules-container h4{font-family:inherit;font-weight:500}.step-section .form-group div ul li,.step-section .rules-container ul li{font-family:inherit;font-size:.9rem;color:var(--text-secondary)}.form-group{margin-bottom:1.3rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.95rem}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.875rem 1rem;border:1.5px solid var(--border-color);border-radius:var(--border-radius-md);font-size:1rem;color:var(--text-primary);background-color:var(--card-bg);transition:all var(--transition-fast);outline:none}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #07c16026}.form-group textarea{resize:vertical;min-height:120px;line-height:1.6}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-tertiary);opacity:.8}.btn{background-color:var(--primary-color);color:#fff;border:none;padding:.875rem 1.75rem;border-radius:var(--border-radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--transition-normal);display:inline-flex;align-items:center;justify-content:center;gap:.5rem;outline:none;box-shadow:var(--shadow-sm);font-family:inherit}.btn:hover:not(:disabled){background-color:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{background-color:var(--text-tertiary);cursor:not-allowed;transform:none;box-shadow:none;opacity:.6}.btn-secondary{background-color:transparent;color:var(--text-primary);border:1.5px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.btn-danger{background-color:var(--danger-color)}.btn-danger:hover:not(:disabled){background-color:#e5322d}.btn-success{background-color:var(--success-color)}.btn-success:hover:not(:disabled){background-color:#34c759}.video-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.video-card{border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);background-color:var(--card-bg);border:1px solid var(--border-color)}.video-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.video-card img{width:100%;height:180px;object-fit:cover;transition:transform var(--transition-slow)}.video-card:hover img{transform:scale(1.05)}.video-card-content{padding:1.5rem}.video-card-title{font-size:1.1rem;font-weight:600;margin-bottom:.8rem;color:var(--text-primary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-meta{font-size:.9rem;color:var(--text-secondary);margin-bottom:1.2rem;line-height:1.5}.video-card-meta p{margin:.3rem 0;display:flex;align-items:center;gap:.5rem}.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;margin-top:1.5rem}.model-card{background-color:#f8f9fa;border-radius:var(--border-radius-lg);padding:1.75rem;transition:all var(--transition-normal);border:1px solid var(--border-color);height:100%;display:flex;flex-direction:column}.model-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary-color)}.model-name{margin-bottom:1rem;color:var(--primary-color);font-size:1.3rem;font-weight:600}.model-description{margin-bottom:1.5rem;color:var(--text-secondary);font-size:.95rem;line-height:1.5}.model-section{margin-bottom:1.2rem}.model-section h4{font-size:1rem;font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}.model-features{list-style:none;padding:0}.model-features li{margin-bottom:.5rem;font-size:.9rem;color:var(--text-secondary);position:relative;padding-left:1.2rem}.model-features li:before{content:"•";color:var(--primary-color);font-weight:700;position:absolute;left:0}.model-footer{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:.5rem;font-size:.9rem;color:var(--text-secondary)}.website-url{color:var(--primary-color);text-decoration:none;margin-bottom:1.5rem;display:block;font-size:.9rem;transition:color var(--transition-fast)}.website-url:hover{color:var(--primary-dark);text-decoration:underline}.offer-section{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border-color)}.offer-section h4{color:var(--primary-color)}.shot-table{width:100%;border-collapse:collapse;margin-top:1.5rem;background-color:var(--card-bg);border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.shot-table th,.shot-table td{padding:1rem 1.25rem;text-align:left;border-bottom:1px solid var(--border-color)}.shot-table th{background-color:#f8f9fa;font-weight:600;color:var(--text-primary);font-size:.95rem}.shot-table tr:hover{background-color:#f8f9fa}.steps{display:flex;justify-content:center;margin-bottom:2.5rem;gap:2rem}.step{display:flex;flex-direction:column;align-items:center;position:relative}.step-number{width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;margin-bottom:.5rem;position:relative;z-index:2}.step-label{font-size:.9rem;color:var(--text-primary);font-weight:500}.step:not(:last-child):after{content:"";position:absolute;top:20px;left:50%;width:100%;height:2px;background-color:var(--border-color);z-index:1}.error-message{padding:1rem;background-color:#ffebee;color:#c62828;border-radius:var(--border-radius-md);margin:1rem 0;border-left:4px solid var(--danger-color);font-size:.95rem}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.three-steps-container{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2rem}.step-section{position:relative;overflow:hidden}.step-section:before{content:attr(data-step);position:absolute;top:-10px;right:20px;font-size:4rem;font-weight:700;color:#07c1601a;pointer-events:none;z-index:0}.step-section>*{position:relative;z-index:1}.divider{display:none;height:1px;background-color:var(--border-color);margin:2rem 0;position:relative}.divider:before{content:"→";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background-color:var(--bg-color);color:var(--primary-color);padding:0 1rem;font-weight:700}.btn-small{background-color:transparent;color:var(--text-primary);border:1.5px solid var(--border-color);padding:.5rem 1rem;border-radius:var(--border-radius-md);font-size:.9rem;cursor:pointer;transition:all var(--transition-fast);font-family:inherit}.btn-small:hover{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-1px)}.loading{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-message{padding:1rem;background-color:#ff3b301a;color:var(--danger-color);border-radius:var(--border-radius-md);margin:1rem 0;border-left:4px solid var(--danger-color);font-size:.95rem;transition:all var(--transition-fast)}@media (max-width: 1200px){.divider{display:block}}@media (max-width: 768px){.app-header{padding:1.2rem 1.5rem}.app-header h1{font-size:1.5rem}.app-nav button{padding:1rem;font-size:.9rem}.app-main{padding:1rem}.card{padding:1.5rem;margin-bottom:1.5rem}.card h2{font-size:1.4rem;margin-bottom:1.2rem}.video-list{grid-template-columns:1fr;gap:1.5rem}.video-card img{height:160px}.shot-table{font-size:.9rem}.shot-table th,.shot-table td{padding:.75rem .5rem}.steps{gap:1rem}.step-number{width:35px;height:35px}.btn{padding:.75rem 1.5rem;font-size:.95rem}}@media (max-width: 480px){.app-header h1{font-size:1.3rem}.app-nav button{padding:.8rem .6rem;font-size:.85rem}.card{padding:1.2rem}.card h2{font-size:1.2rem}.video-card-content{padding:1.2rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}