*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}:root{--primary:#E84393;--primary-light:#FD79A8;--primary-dark:#D63384;--primary-bg:#FDE8F0;--bg:#FAFAFE;--surface:#FFFFFF;--text:#1A1A2E;--text-secondary:#6B7280;--border:#E5E7EB;--radius:16px;--radius-sm:10px;--shadow:0 4px 24px rgba(232,67,147,0.08);--shadow-lg:0 12px 48px rgba(232,67,147,0.12);--transition:0.2s ease;}body{font-family:'Inter',-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;position:relative;}body::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:url('icons/pattern.svg');background-repeat:repeat;background-size:150px 150px;opacity:0.07;pointer-events:none;z-index:0;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 60%);mask-image:linear-gradient(to bottom,rgba(0,0,0,1) 0%,rgba(0,0,0,0) 60%);}body > *{position:relative;z-index:1;}.navbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);}.nav-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:1.25rem;}.nav-links{display:flex;gap:28px;}.nav-links a{text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:0.9rem;transition:color var(--transition);}.nav-links a:hover{color:var(--primary);}.hero{text-align:center;padding:80px 24px 40px;max-width:700px;margin:0 auto;}.hero-badge{display:inline-block;background:var(--primary-bg);color:var(--primary);font-weight:600;font-size:0.85rem;padding:6px 16px;border-radius:50px;margin-bottom:24px;}.hero h1{font-size:3.2rem;font-weight:800;line-height:1.15;letter-spacing:-0.02em;margin-bottom:16px;}.gradient-text{background:linear-gradient(135deg,var(--primary),#6C5CE7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.hero-sub{font-size:1.1rem;color:var(--text-secondary);max-width:520px;margin:0 auto;}.converter-section{max-width:640px;margin:0 auto;padding:0 24px 80px;}.converter-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:40px;}.dropzone{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:48px 24px;text-align:center;cursor:pointer;transition:all var(--transition);}.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--primary-bg);}.dropzone-icon{margin-bottom:16px;}.dropzone-title{font-weight:600;font-size:1.1rem;margin-bottom:4px;}.dropzone-sub{color:var(--text-secondary);font-size:0.85rem;margin-bottom:16px;}.dropzone-hint{color:var(--text-secondary);font-size:0.75rem;margin-top:16px;}.btn{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-weight:600;font-size:0.95rem;padding:12px 24px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all var(--transition);}.btn-primary{background:var(--primary);color:#fff;}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}.btn-primary:active{transform:translateY(0);}.btn-ghost{background:transparent;color:var(--text-secondary);}.btn-ghost:hover{color:var(--primary);}.btn-lg{padding:14px 32px;font-size:1rem;width:100%;justify-content:center;}.btn-icon{background:none;border:none;cursor:pointer;font-size:1.2rem;color:var(--text-secondary);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition);}.btn-icon:hover{background:#FEE2E2;color:#EF4444;}.file-info-bar{display:flex;align-items:center;justify-content:space-between;background:var(--primary-bg);padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;}.file-info-left{display:flex;flex-direction:column;gap:2px;min-width:0;}.file-name{font-weight:600;font-size:0.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.file-meta{font-size:0.8rem;color:var(--text-secondary);}.edit-area{position:relative;margin-bottom:12px;border-radius:var(--radius-sm);overflow:hidden;background:#f5f5f5;border:1px solid var(--border);cursor:default;user-select:none;-webkit-user-select:none;max-height:400px;display:flex;align-items:center;justify-content:center;}.edit-area img{max-width:100%;max-height:400px;display:block;object-fit:contain;pointer-events:none;}.crop-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.45);pointer-events:none;z-index:2;}#cropBox{position:absolute;z-index:3;border:2px dashed #fff;box-shadow:0 0 0 1px rgba(0,0,0,0.3);pointer-events:none;display:none;}.edit-toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px;}.edit-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1.5px solid var(--border);background:var(--surface);font-family:inherit;font-weight:600;font-size:0.78rem;color:var(--text);cursor:pointer;transition:all var(--transition);}.edit-btn:hover{border-color:var(--primary);color:var(--primary);}.edit-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);}.edit-btn svg{flex-shrink:0;}.crop-hint{font-size:0.8rem;color:var(--primary);margin-bottom:12px;text-align:center;font-weight:500;}.format-section{margin-bottom:20px;}.format-label{font-weight:600;font-size:0.9rem;margin-bottom:12px;display:block;}.format-grid{display:flex;flex-wrap:wrap;gap:8px;}.format-btn{padding:8px 16px;border-radius:8px;border:1.5px solid var(--border);background:var(--surface);font-family:inherit;font-weight:600;font-size:0.8rem;color:var(--text);cursor:pointer;transition:all var(--transition);text-transform:uppercase;letter-spacing:0.02em;}.format-btn:hover{border-color:var(--primary);color:var(--primary);}.format-btn.selected{background:var(--primary);color:#fff;border-color:var(--primary);}.quality-section{margin-bottom:24px;}.slider{width:100%;height:6px;border-radius:3px;background:var(--border);outline:none;-webkit-appearance:none;appearance:none;}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;border:3px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,0.15);}.progress-container{text-align:center;padding:40px 0;}.spinner{width:48px;height:48px;border:4px solid var(--primary-bg);border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite;margin:0 auto 20px;}@keyframes spin{to{transform:rotate(360deg);}}.progress-label{font-weight:600;font-size:1rem;}.done-container{text-align:center;padding:20px 0;}.done-preview{width:200px;height:200px;margin:0 auto 16px;border-radius:12px;overflow:hidden;background:#f5f5f5;border:1px solid var(--border);}.done-preview img{width:100%;height:100%;object-fit:contain;}.done-info{margin-bottom:20px;font-size:0.85rem;color:var(--text-secondary);}.done-icon{margin-bottom:20px;}.done-container h2{font-size:1.5rem;margin-bottom:8px;}.done-sub{color:var(--text-secondary);margin-bottom:24px;}.error-msg{color:#EF4444;}.features{max-width:1000px;margin:0 auto;padding:80px 24px;}.features h2{text-align:center;font-size:2rem;font-weight:800;margin-bottom:48px;}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all var(--transition);}.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);}.feature-icon{font-size:2.5rem;margin-bottom:16px;}.feature-card h3{font-size:1.1rem;margin-bottom:8px;}.feature-card p{font-size:0.85rem;color:var(--text-secondary);}.formats-section{max-width:700px;margin:0 auto;padding:0 24px 80px;}.formats-section h2{text-align:center;font-size:2rem;font-weight:800;margin-bottom:32px;}.formats-table{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}.format-row{display:grid;grid-template-columns:1fr 100px 120px;padding:14px 24px;font-size:0.9rem;border-bottom:1px solid var(--border);}.format-row:last-child{border-bottom:none;}.format-row.header{background:var(--primary-bg);font-weight:700;font-size:0.8rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--primary);}.faq-section{max-width:700px;margin:0 auto;padding:0 24px 80px;}.faq-section h2{text-align:center;font-size:2rem;font-weight:800;margin-bottom:32px;}.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;}.faq-item summary{padding:18px 24px;font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;}.faq-item summary::after{content:'+';font-size:1.2rem;color:var(--primary);}.faq-item[open] summary::after{content:'−';}.faq-item p{padding:0 24px 18px;color:var(--text-secondary);font-size:0.9rem;}.footer{text-align:center;padding:32px 24px;color:var(--text-secondary);font-size:0.85rem;border-top:1px solid var(--border);}.hidden{display:none !important;}@media (max-width:640px){.hero h1{font-size:2rem;}.converter-card{padding:24px;}.nav-links{display:none;}.hero{padding:48px 24px 24px;}}.love-icon{content:url('icons/with-love-static.png');}.love-icon:hover{content:url('icons/with-love.gif');}