:root{--primary-color:#4361ee;--secondary-color:#3a0ca3;--accent-color:#7209b7;--light-color:#f8f9fa;--dark-color:#212529;--gray-color:#6c757d;--success-color:#4cc9f0;--warning-color:#f72585;--gzip-primary:#059669;--gzip-gradient:linear-gradient(135deg,#10b981 0%,#047857 100%);--border-radius:12px;--box-shadow:0 8px 24px rgba(0,0,0,0.1);--transition:all 0.3s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Microsoft YaHei',sans-serif}body{background-color:#f0f2f5;color:var(--dark-color);line-height:1.6}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:white;padding:20px 0;box-shadow:0 4px 12px rgba(0,0,0,0.1);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:15px}.logo i{font-size:2.5rem}.logo h1{font-size:1.8rem;font-weight:700}.logo span{color:var(--success-color)}nav ul{display:flex;list-style:none;gap:25px}nav a{color:white;text-decoration:none;font-weight:600;font-size:1.1rem;padding:8px 12px;border-radius:6px;transition:var(--transition)}nav a:hover,nav a.active{background-color:rgba(255,255,255,0.2)}main{padding:40px 0}.section-title{font-size:1.8rem;margin-bottom:25px;color:var(--secondary-color);display:flex;align-items:center;gap:10px}.section-title i{color:var(--accent-color)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;margin-bottom:40px}.tool-card{background:white;border-radius:var(--border-radius);padding:25px;box-shadow:var(--box-shadow);transition:var(--transition);cursor:pointer;border:2px solid transparent}.tool-card:hover{transform:translateY(-5px);border-color:var(--primary-color)}.tool-card i{font-size:2.5rem;color:var(--primary-color);margin-bottom:15px}.tool-card h3{font-size:1.4rem;margin-bottom:10px;color:var(--dark-color)}.tool-card p{color:var(--gray-color);margin-bottom:20px}.use-tool-btn{background-color:var(--primary-color);color:white;border:none;padding:10px 20px;border-radius:6px;font-weight:600;cursor:pointer;transition:var(--transition);width:100%}.use-tool-btn:hover{background-color:var(--secondary-color)}.tool-detail{background:white;border-radius:var(--border-radius);padding:30px;box-shadow:var(--box-shadow);margin-top:30px;display:none}.tool-detail.active{display:block}.tool-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;border-bottom:2px solid #f0f2f5}.tool-header h2{font-size:1.6rem;color:var(--secondary-color)}.close-tool{background:none;border:none;font-size:1.5rem;color:var(--gray-color);cursor:pointer;transition:var(--transition)}.close-tool:hover{color:var(--warning-color)}.gzip-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:30px}@media (max-width:900px){.gzip-wrapper{grid-template-columns:1fr}}.code-input-area{display:flex;flex-direction:column;gap:15px}.editor-box{position:relative;flex:1;display:flex;flex-direction:column}.editor-label{font-weight:600;color:var(--secondary-color);margin-bottom:5px;display:flex;justify-content:space-between}textarea.code-editor{width:100%;height:400px;background:#1e293b;color:#e2e8f0;border:2px solid #e2e8f0;border-radius:8px;padding:15px;font-family:'Consolas','Monaco',monospace;font-size:0.9rem;resize:vertical;outline:none;transition:var(--transition)}textarea.code-editor:focus{border-color:var(--gzip-primary)}.result-area{background:#f0fdf4;border-radius:var(--border-radius);padding:20px;border:1px solid #d1fae5;display:flex;flex-direction:column;gap:20px}.score-card{background:white;padding:20px;border-radius:8px;border:1px solid #a7f3d0;text-align:center}.score-grade{font-size:3rem;font-weight:800;color:var(--gzip-primary);line-height:1;margin-bottom:5px}.score-label{color:var(--gray-color);font-size:0.9rem}.bar-container{display:flex;flex-direction:column;gap:10px}.bar-group{display:flex;align-items:center;gap:15px}.bar-label{width:100px;font-size:0.9rem;font-weight:600;color:var(--dark-color);text-align:right}.bar-track{flex:1;background:#e2e8f0;height:24px;border-radius:12px;overflow:hidden;position:relative}.bar-fill{height:100%;border-radius:12px;transition:width 1s ease-in-out;display:flex;align-items:center;justify-content:flex-end;padding-right:10px;font-size:0.8rem;font-weight:600;color:white;white-space:nowrap}.bar-fill.original{background:#94a3b8;width:100%}.bar-fill.compressed{background:var(--gzip-gradient);width:0%}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stat-item{background:white;padding:10px;border-radius:8px;text-align:center;border:1px solid #d1fae5}.stat-val{font-size:1.2rem;font-weight:700;color:var(--secondary-color)}.stat-text{font-size:0.8rem;color:var(--gray-color)}.remote-section{margin-top:30px;padding-top:20px;border-top:2px dashed #d1fae5}.cmd-box{background:#1e293b;color:#a5f3fc;padding:15px;border-radius:8px;font-family:'Consolas',monospace;font-size:0.9rem;margin-top:10px;display:flex;justify-content:space-between;align-items:center;word-break:break-all}.copy-cmd-btn{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:white;padding:5px 10px;border-radius:4px;cursor:pointer;margin-left:10px;flex-shrink:0}.copy-cmd-btn:hover{background:var(--gzip-primary);border-color:var(--gzip-primary)}.compress-btn{background:var(--gzip-gradient);color:white;border:none;padding:12px 20px;border-radius:8px;font-weight:600;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 6px rgba(16,185,129,0.2);transition:var(--transition)}.compress-btn:hover{transform:translateY(-2px)}