*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--primary-light: #e0eefe;--secondary-color: #a855f7;--bg-color: #f9fafb;--card-bg: #ffffff;--text-color: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--gradient: linear-gradient(to right, #3b82f6, #a855f7);--gradient-hover: linear-gradient(to right, #2563eb, #9333ea);--footer-bg: #111827}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:all .3s}.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 2px 4px #3b82f64d}.btn-primary:hover{background:var(--gradient-hover);box-shadow:0 4px 8px #3b82f666;transform:translateY(-1px)}.btn-secondary{background-color:var(--primary-light);color:var(--primary-color)}.btn-secondary:hover{background-color:#bfdbfe}.card{background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px;border:1px solid var(--border-color);transition:all .3s}.card:hover{box-shadow:var(--shadow-lg)}.card-title{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-color);display:flex;align-items:center;gap:8px}.card-title:before{content:"";width:4px;height:18px;background:var(--gradient);border-radius:2px}textarea,input[type=text],input[type=password]{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;font-family:Monaco,Menlo,Consolas,monospace;resize:vertical;transition:border-color .3s}textarea:focus,input[type=text]:focus,input[type=password]:focus{outline:none;border-color:var(--primary-color)}.tool-area{min-height:200px}.btn-group{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.result-area{background:#f8f9fa;border:1px solid var(--border-color);border-radius:8px;padding:16px;min-height:100px;word-break:break-all;font-family:Monaco,Menlo,Consolas,monospace;font-size:13px}.copy-btn{position:absolute;top:8px;right:8px;padding:6px 12px;font-size:12px}.message{padding:10px 16px;border-radius:6px;margin-bottom:16px}.message-success{background:#f6ffed;border:1px solid #b7eb8f;color:#52c41a}.message-error{background:#fff2f0;border:1px solid #ffccc7;color:#ff4d4f}.select-wrapper{display:flex;gap:12px;align-items:center;margin-bottom:16px}.select-wrapper label{font-size:14px;color:var(--text-secondary)}select{padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;background:#fff;cursor:pointer}select:focus{outline:none;border-color:var(--primary-color)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media(max-width:768px){.grid-2{grid-template-columns:1fr}}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:#fff;padding:0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000001a;border-bottom:1px solid var(--border-color)}.header-content{display:flex;justify-content:space-between;align-items:center;height:56px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-icon{font-size:24px;-webkit-text-fill-color:initial}.nav{display:flex;gap:4px}.nav-item{display:flex;align-items:center;gap:6px;padding:8px 16px;color:var(--text-secondary);border-radius:8px;transition:all .3s;font-size:14px;font-weight:500}.nav-item:hover{background:var(--primary-light);color:var(--primary-color)}.nav-item.active{background:var(--primary-light);color:var(--primary-color);font-weight:600}.nav-icon{font-size:16px}.main{flex:1;padding:32px 0}.footer{background:var(--footer-bg);color:#ffffffb3;padding:24px 0;text-align:center;font-size:14px}.footer p{margin:0}@media(max-width:900px){.nav{gap:4px}.nav-item{padding:6px 10px;font-size:13px}.nav-label{display:none}.nav-icon{font-size:20px}.logo-text{display:none}}.home{animation:fadeIn .5s ease}.hero{text-align:center;padding:48px 0 40px}.hero-tag{display:inline-block;padding:6px 16px;background:var(--primary-light);color:var(--primary-color);border-radius:9999px;font-size:13px;font-weight:600;margin-bottom:20px}.hero-title{font-size:42px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;line-height:1.2}.hero-desc{font-size:18px;color:var(--text-secondary);max-width:600px;margin:0 auto}.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-bottom:60px}.tool-card{display:flex;align-items:center;gap:16px;background:var(--card-bg);border-radius:16px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--border-color);transition:all .3s;cursor:pointer}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.tool-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0;position:relative;overflow:hidden}.tool-icon:before{content:"";position:absolute;inset:0;background:inherit;opacity:.15}.tool-info{flex:1}.tool-title{font-size:17px;font-weight:600;margin-bottom:6px;color:var(--text-color)}.tool-desc{font-size:14px;color:var(--text-secondary);line-height:1.5}.tool-arrow{font-size:20px;color:var(--text-secondary);transition:all .3s}.tool-card:hover .tool-arrow{transform:translate(4px);color:var(--primary-color)}.features{margin-top:20px}.section-header{text-align:center;margin-bottom:32px}.section-tag{display:inline-block;padding:4px 12px;background:var(--primary-light);color:var(--primary-color);border-radius:9999px;font-size:12px;font-weight:600;margin-bottom:12px}.section-title{text-align:center;font-size:28px;font-weight:700;margin-bottom:12px;color:var(--text-color)}.section-desc{font-size:15px;color:var(--text-secondary);max-width:500px;margin:0 auto}.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.feature-item{text-align:center;padding:28px 20px;background:var(--card-bg);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--border-color);transition:all .3s}.feature-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:36px;display:block;margin-bottom:14px}.feature-item h4{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-color)}.feature-item p{font-size:14px;color:var(--text-secondary);line-height:1.5}.tool-page{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-header{text-align:center;margin-bottom:32px}.page-title{font-size:32px;margin-bottom:12px;color:var(--text-color)}.page-desc{font-size:16px;color:var(--text-secondary)}.tool-area{width:100%;min-height:250px;font-size:13px}.output-wrapper{position:relative}.json-output{white-space:pre-wrap;word-break:break-all;max-height:400px;overflow-y:auto}.stats{display:flex;gap:24px;margin-top:12px;font-size:13px;color:var(--text-secondary)}.tips-list{list-style:none;padding:0}.tips-list li{padding:8px 0;border-bottom:1px solid var(--border-color);font-size:14px;color:var(--text-secondary)}.tips-list li:last-child{border-bottom:none}.encrypt-options{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}.encrypt-type{padding:8px 16px;border:2px solid var(--border-color);border-radius:20px;font-size:14px;cursor:pointer;transition:all .3s;background:#fff}.encrypt-type:hover{border-color:var(--primary-color)}.encrypt-type.active{border-color:var(--primary-color);background:var(--primary-color);color:#fff}.key-input{margin-bottom:16px}.key-input label{display:block;margin-bottom:8px;font-size:14px;color:var(--text-secondary)}.qr-preview{display:flex;justify-content:center;padding:40px;background:#f8f9fa;border-radius:12px;margin-bottom:16px}.qr-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:16px}.qr-option{display:flex;flex-direction:column;gap:8px}.qr-option label{font-size:14px;color:var(--text-secondary)}.color-input-wrapper{display:flex;align-items:center;gap:12px}.color-input-wrapper input[type=color]{width:50px;height:36px;padding:2px;border:1px solid var(--border-color);border-radius:6px;cursor:pointer}.color-input-wrapper span{font-family:monospace;font-size:14px}.upload-area{border:2px dashed var(--border-color);border-radius:12px;padding:60px 40px;text-align:center;cursor:pointer;transition:all .3s;background:#fafafa}.upload-area:hover{border-color:var(--primary-color);background:#f0f7ff}.upload-area.dragging{border-color:var(--primary-color);background:#e6f4ff}.upload-icon{font-size:48px;display:block;margin-bottom:16px}.upload-text{font-size:16px;color:var(--text-color);margin-bottom:8px}.upload-hint{font-size:13px;color:var(--text-secondary)}.image-preview{max-width:100%;max-height:400px;border-radius:12px;margin-bottom:16px}.color-palette{display:flex;flex-wrap:wrap;gap:12px}.color-item{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:transform .2s}.color-item:hover{transform:scale(1.05)}.color-swatch{width:80px;height:80px;border-radius:12px;box-shadow:0 2px 8px #00000026}.color-value{font-family:monospace;font-size:12px;color:var(--text-secondary);background:#f0f0f0;padding:4px 8px;border-radius:4px}.no-colors{text-align:center;padding:40px;color:var(--text-secondary)}.image-picker-container{position:relative;display:inline-block}.image-picker-container.pick-mode .image-preview{border:3px solid var(--primary-color);box-shadow:0 0 10px #667eea80}.color-preview-badge{position:absolute;top:10px;right:10px;padding:6px 12px;border-radius:20px;font-family:monospace;font-size:12px;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5);box-shadow:0 2px 8px #0000004d;border:2px solid white}.url-input-section,.imgbed-section{margin-top:16px;padding-top:16px;border-top:1px solid #eee}.section-label{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.url-input-group,.imgbed-actions{display:flex;gap:8px;flex-wrap:wrap}.url-input{flex:1;min-width:200px}.uploaded-url-group{display:flex;gap:8px;flex:1;min-width:200px}.uploaded-url-group .url-input{flex:1;background:#f5f5f5}