:root{--color-primary: #8B4513;--color-primary-light: #A0522D;--color-primary-dark: #6B3410;--color-bg: #FDF6EC;--color-card: #FFFFFF;--color-text: #333333;--color-text-light: #666666;--color-text-muted: #999999;--color-border: #E8D5C4;--color-accent: #D4A574;--color-success: #4CAF50;--color-shadow: rgba(139, 69, 19, .08);--radius: 12px;--radius-sm: 8px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-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;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.app-container{max-width:720px;margin:0 auto;padding:16px;min-height:100vh;display:flex;flex-direction:column}.app-header{text-align:center;padding:24px 0 16px}.app-header h1{font-size:1.6rem;font-weight:700;color:var(--color-primary-dark);letter-spacing:2px}.app-main{flex:1}.app-footer{text-align:center;padding:20px 0;color:var(--color-text-muted);font-size:.85rem}.card{background:var(--color-card);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:0 2px 12px var(--color-shadow);border:1px solid var(--color-border)}.card-title{font-size:1.1rem;font-weight:600;color:var(--color-primary-dark);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--color-border)}.main-type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.type-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 12px;border:2px solid var(--color-border);border-radius:var(--radius);background:var(--color-card);cursor:pointer;transition:all var(--transition);font-size:1rem;color:var(--color-text);-webkit-tap-highlight-color:transparent}.type-card:hover{border-color:var(--color-primary-light);background:#fff8f0}.type-card.active{border-color:var(--color-primary);background:#fff0e0;box-shadow:0 0 0 3px #8b451326}.type-icon{font-size:2rem;margin-bottom:8px}.type-label{font-size:.9rem;font-weight:500}.form-section{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.95rem;font-weight:600;color:var(--color-text);margin-bottom:8px}.form-hint{color:var(--color-text-light);font-size:.95rem;text-align:center;padding:16px 0}.checkbox-group,.radio-group{display:flex;flex-wrap:wrap;gap:10px}.checkbox-label,.radio-label{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1.5px solid var(--color-border);border-radius:20px;cursor:pointer;transition:all var(--transition);font-size:.9rem;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.checkbox-label:hover,.radio-label:hover{border-color:var(--color-primary-light);background:#fff8f0}.checkbox-label:has(input:checked),.radio-label:has(input:checked){border-color:var(--color-primary);background:#fff0e0;color:var(--color-primary-dark);font-weight:500}.checkbox-label input,.radio-label input{accent-color:var(--color-primary)}.form-input,.form-select{width:100%;padding:10px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:.95rem;color:var(--color-text);background:#fff;transition:border-color var(--transition);outline:none;font-family:inherit}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #8b45131a}.form-input::placeholder{color:var(--color-text-muted)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}.generate-section{text-align:center;margin:20px 0}.btn-generate{display:inline-block;padding:14px 48px;font-size:1.1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));border:none;border-radius:30px;cursor:pointer;transition:all var(--transition);box-shadow:0 4px 15px #8b451340;letter-spacing:2px;-webkit-tap-highlight-color:transparent}.btn-generate:hover{transform:translateY(-1px);box-shadow:0 6px 20px #8b451359}.btn-generate:active{transform:translateY(0)}.result-section{animation:fadeIn .3s ease;position:relative}.result-content{background:#fffbf5;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:16px;font-size:.95rem;line-height:1.8;white-space:pre-wrap;word-break:break-word;color:var(--color-text);max-height:60vh;overflow-y:auto;margin-bottom:16px}.btn-copy{display:block;width:100%;padding:12px;font-size:1rem;font-weight:600;color:var(--color-primary-dark);background:linear-gradient(135deg,#fff0e0,#ffe4cc);border:2px solid var(--color-primary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);-webkit-tap-highlight-color:transparent}.btn-copy:hover{background:linear-gradient(135deg,#ffe4cc,#ffd8b0)}.copy-toast{display:none;position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:#000000bf;color:#fff;padding:10px 24px;border-radius:20px;font-size:.9rem;z-index:1000;animation:toastIn .3s ease}.copy-toast.show{display:block}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 480px){.app-container{padding:12px}.app-header h1{font-size:1.3rem}.card{padding:16px}.main-type-grid{grid-template-columns:1fr 1fr;gap:8px}.type-card{padding:16px 8px}.type-icon{font-size:1.6rem}.type-label{font-size:.8rem}.checkbox-group,.radio-group{gap:6px}.checkbox-label,.radio-label{padding:6px 10px;font-size:.85rem}.btn-generate{padding:12px 36px;font-size:1rem}.result-content{font-size:.9rem;max-height:50vh}}@media (min-width: 481px) and (max-width: 768px){.app-container{padding:20px}.main-type-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 769px){.app-container{padding:24px}.main-type-grid{grid-template-columns:repeat(5,1fr)}.type-card{padding:24px 16px}}