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1fr;max-width:none;margin:0}.sidebar{padding:28px 20px}.main-content{padding:24px 28px}.tool-grid{grid-template-columns:repeat(2,1fr);gap:20px}.tool-panel{max-width:100%}}@media (max-width:768px){body{background:linear-gradient(135deg,#f5f7fa 0%,#e3f2fd 100%)}@media (prefers-color-scheme:dark){body{background:linear-gradient(135deg,#0a0a0a 0%,#1a1a2e 100%)}}.top-nav{display:none}.container{padding:8px}.app-layout{border-radius:12px;grid-template-columns:1fr;min-height:calc(100vh - 16px);margin:0}.tool-grid{grid-template-columns:repeat(2,1fr);gap:12px}.sidebar{z-index:999;border-radius:0 16px 16px 0;width:280px;height:100vh;transition:left .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:-100%;overflow-y:auto;box-shadow:0 8px 32px #0000004d}.sidebar.open{left:0}.mobile-header{background:var(--tertiary-bg);border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:16px;padding:12px 16px;display:flex;box-shadow:0 2px 12px #00000014}.mobile-header h1{color:var(--foreground);margin:0;font-size:1.1rem;font-weight:700}.mobile-header .logo{margin-right:6px;font-size:1.2rem}.menu-toggle-btn{background:var(--tertiary-bg);border:1px solid var(--border);cursor:pointer;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-width:36px;min-height:36px;padding:8px;transition:all .2s;display:flex;box-shadow:0 2px 8px #0000000f}.menu-toggle-btn span{background:var(--foreground);border-radius:1px;width:20px;height:2px;transition:all .3s;display:block}.menu-toggle-btn:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 12px #007aff33}.menu-toggle-btn:hover span{background:#fff}.main-content{background:var(--background);padding:12px 16px 16px}.tool-header{text-align:center;flex-direction:column;gap:12px}.tool-page-img{max-width:150px}.main-page-header{border-radius:12px;margin-bottom:20px;padding:24px 16px}.main-page-header h1{font-size:1.8rem}.main-page-header p{font-size:1rem}.tool-section h2{margin-bottom:16px;font-size:1.4rem}.tool-section{margin-bottom:24px}.upload-area{border-radius:12px;padding:24px 16px}.upload-main-text{font-size:1rem}.file-item{border-radius:8px;padding:10px;font-size:.85rem}.site-footer{border-radius:12px;margin-top:16px;padding:20px 16px;font-size:.8rem}.footer-content{grid-template-columns:1fr;gap:24px;margin-bottom:20px}.footer-section h3{font-size:.95rem}}@media (max-width:480px){.main-page-header h1{font-size:1.8rem}.main-page-header p{font-size:1rem}.tool-header h1{font-size:2rem}.upload-area{padding:24px 16px}}.blog-container{gap:24px;margin-top:32px;display:grid}.blog-post-card{background:var(--tertiary-bg);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:24px;transition:all .3s}.blog-post-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-4px)}.blog-post-content-wrapper{align-items:center;gap:24px;display:flex}.blog-post-image{object-fit:cover;border-radius:12px;flex-shrink:0;width:200px;height:150px}.blog-post-text{flex:1;min-width:0}.blog-post-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.blog-category{color:var(--primary);text-transform:uppercase;letter-spacing:.05em;background:linear-gradient(135deg,#007aff1a 0%,#667eea1a 100%);border:1px solid #007aff4d;border-radius:8px;padding:6px 12px;font-size:.85rem;font-weight:600;display:inline-block}.blog-date{color:#666;font-size:.9rem}.blog-post-title{margin-bottom:16px;font-size:1.75rem;font-weight:700;line-height:1.3}.blog-post-title a{color:var(--foreground);text-decoration:none;transition:color .3s}.blog-post-title a:hover{color:var(--primary)}.blog-post-excerpt{color:#666;margin-bottom:16px;font-size:1.05rem;line-height:1.6}.blog-read-more{color:var(--primary);font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.blog-read-more:hover{color:var(--primary-hover);transform:translate(4px)}.blog-post{max-width:800px;margin:0 auto}.blog-post-header-full{margin-bottom:40px}.blog-back-link{color:var(--primary);margin-bottom:24px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.blog-back-link:hover{color:var(--primary-hover);transform:translate(-4px)}.blog-post-meta{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:16px;display:flex}.blog-post-title-full{color:var(--foreground);margin-bottom:24px;font-size:2.5rem;font-weight:700;line-height:1.2}.blog-post-content{color:var(--foreground);line-height:1.8}.blog-content-h1{color:var(--foreground);margin-top:48px;margin-bottom:24px;font-size:2rem;font-weight:700;line-height:1.3}.blog-content-h2{color:var(--foreground);margin-top:40px;margin-bottom:16px;font-size:1.5rem;font-weight:700;line-height:1.3}.blog-content-h3{color:var(--foreground);margin-top:32px;margin-bottom:12px;font-size:1.25rem;font-weight:600;line-height:1.4}.blog-content-paragraph{color:#333;margin-bottom:20px;font-size:1.05rem}.blog-content-li{color:#333;margin-bottom:8px;margin-left:24px;font-size:1.05rem;list-style-type:disc}.blog-content-strong{color:var(--foreground);margin-bottom:8px;font-size:1.05rem;font-weight:700}.blog-post-content a{color:var(--primary);text-decoration:underline;transition:color .3s}.blog-post-content a:hover{color:var(--primary-hover)}@media (max-width:768px){.blog-post-title{font-size:1.5rem}.blog-post-title-full{font-size:2rem}.blog-content-h1{font-size:1.75rem}.blog-content-h2{font-size:1.35rem}.blog-content-h3{font-size:1.15rem}.blog-post-card{padding:16px}.blog-post-content-wrapper{flex-direction:column}.blog-post-image{width:100%;height:auto}}.submit-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:640px){.contact-form{padding:1.5rem}}.contact-form-container{max-width:600px;margin:0 auto}.contact-form{background:linear-gradient(135deg,#fffffff2,#f9fafbf2);border:1px solid #0000000d;border-radius:16px;padding:2rem;box-shadow:0 4px 6px #0000000d,0 10px 15px #0000001a}.form-group{margin-bottom:1.5rem}.form-label{color:#1f2937;margin-bottom:.5rem;font-size:.95rem;font-weight:600;display:block}.required{color:#ef4444}.form-input{background:#fff;border:2px solid #e5e7eb;border-radius:8px;width:100%;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}.form-input:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 3px #3b82f61a}.form-input.error{border-color:#ef4444}.form-input:disabled{cursor:not-allowed;opacity:.6;background:#f3f4f6}.form-textarea{resize:vertical;min-height:120px}.error-message{color:#ef4444;margin-top:.25rem;font-size:.875rem;display:block}.alert{border-radius:8px;margin-bottom:1rem;padding:1rem;font-weight:500}.alert-success{color:#065f46;background:#d1fae5;border:1px solid #6ee7b7}.alert-error{color:#991b1b;background:#fee2e2;border:1px solid #fca5a5}.submit-button:hover:not(:disabled){background:linear-gradient(135deg,#2563eb,#1d4ed8);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb4d}.submit-button:active:not(:disabled){transform:translateY(0)}.submit-button:disabled{cursor:not-allowed;background:#9ca3af;transform:none}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.6s linear infinite spin}@media (max-width:640px){.contact-form{padding:1.5rem}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}