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20px;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:12px;text-decoration:none;position:relative;overflow:hidden}.converter-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,transparent 0%,rgba(22,119,255,.04) 100%);opacity:0;transition:var(--transition)}.converter-card:hover{border-color:#1677ff80;transform:translateY(-2px);box-shadow:0 8px 24px #0000004d,0 0 0 1px #1677ff1a}.converter-card:hover:before{opacity:1}.card-icon{font-size:22px;flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--color-surface-2);border-radius:var(--radius-sm);border:1px solid var(--color-border)}.card-body{flex:1;min-width:0}.card-name{font-size:14px;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--font-mono)}.card-desc{font-size:12px;color:var(--color-text-secondary);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-arrow{color:var(--color-text-muted);font-size:14px;transition:var(--transition)}.converter-card:hover .card-arrow{color:var(--color-primary);transform:translate(3px)}.converter-header{margin-bottom:24px}.converter-title{font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--color-text);margin:0 0 4px}.converter-description{font-size:15px;color:var(--color-text-secondary);margin:0}.editor-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch}@media (max-width: 900px){.editor-layout{grid-template-columns:1fr}.editor-panel{min-height:280px}}.editor-panel{background:var(--color-surface);border:1px solid 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.ant-select-arrow{color:var(--color-text-secondary)!important}.convert-actions{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 0}.error-banner{border-radius:var(--radius-md)!important;border-color:var(--color-error)!important;background:#ff4d4f14!important;margin-top:12px}.warning-banner{border-radius:var(--radius-md)!important;margin-top:12px}.related-section{margin-top:48px}.app-footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding:32px 24px;text-align:center;color:var(--color-text-muted);font-size:13px}.footer-inner{max-width:1400px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:12px}.footer-links{display:flex;gap:12px 24px;flex-wrap:wrap;justify-content:center}.footer-links a{color:var(--color-text-muted);text-decoration:none;transition:var(--transition)}.footer-links a:hover{color:var(--color-primary)}.ad-banner{width:100%;border-radius:var(--radius-md);overflow:hidden;background:var(--ad-bg);border:1px dashed var(--color-border);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:12px;letter-spacing:1px;text-transform:uppercase}.ad-banner-top{height:90px;margin-bottom:24px}.ad-banner-side{height:250px}@keyframes copySuccess{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.copy-success{animation:copySuccess .2s ease}.category-group{margin-bottom:40px}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.search-wrapper{max-width:520px;margin:0 auto 48px}.search-wrapper .ant-input-affix-wrapper{background:var(--color-surface)!important;border-color:var(--color-border)!important;border-radius:var(--radius-md)!important;padding:10px 16px!important;font-size:15px!important}.search-wrapper .ant-input{background:transparent!important;color:var(--color-text)!important}.search-wrapper .ant-input::placeholder{color:var(--color-text-muted)!important}.search-wrapper .ant-input-affix-wrapper:focus-within{border-color:var(--color-primary)!important;box-shadow:0 0 0 3px var(--color-primary-glow)!important}.search-wrapper .anticon{color:var(--color-text-muted)!important}@media (max-width: 768px){.app-content{padding:16px 16px 32px}.home-hero{padding:40px 0 32px}.hero-stats{gap:24px}.popular-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.category-grid{grid-template-columns:1fr 1fr}}@media (max-width: 480px){.category-grid{grid-template-columns:1fr}.hero-title{font-size:28px}}@media (min-width: 640px){.footer-legal{width:auto!important;justify-content:flex-start!important}.footer-copyright{width:auto!important}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.ant-select-dropdown{background:var(--color-surface-2)!important;border:1px solid var(--color-border)!important}.ant-select-item{color:var(--color-text)!important}.ant-select-item-option-active{background:var(--color-surface)!important}.ant-select-item-option-selected{background:#1677ff26!important;color:var(--color-primary)!important}.ant-btn{font-family:var(--font-body)!important;font-weight:600!important}.ant-tag{font-family:var(--font-mono)!important;font-size:11px!important}[data-theme=light] .ant-select-dropdown{background:#fff!important;border:1px solid #d1daf0!important;box-shadow:0 4px 24px #0000001a!important}[data-theme=light] .ant-select-item{color:#0f1729!important}[data-theme=light] .ant-select-item-option-active{background:#f0f4ff!important}[data-theme=light] .ant-dropdown-menu{background:#fff!important;border:1px solid #d1daf0!important;box-shadow:0 4px 24px #0000001a!important}[data-theme=light] .app-header{background:#f0f4ffeb!important;border-bottom:1px solid #d1daf0}[data-theme=light] .logo-icon{background:#1677ff1a;border-color:#1677ff4d}[data-theme=light] .home-hero:before{background:radial-gradient(ellipse at center,rgba(22,119,255,.08) 0%,transparent 70%)}[data-theme=light] .hero-badge{background:#1677ff14;border-color:#1677ff33;color:#1677ff}[data-theme=light] .converter-card{background:#fff;border-color:#d1daf0;box-shadow:0 1px 3px #0000000d}[data-theme=light] .converter-card:hover{border-color:#1677ff66;box-shadow:0 4px 16px #1677ff1a}[data-theme=light] .card-icon{background:#f5f7ff;border-color:#d1daf0}[data-theme=light] .editor-panel{border-color:#d1daf0;box-shadow:0 1px 8px #0000000f}[data-theme=light] .editor-toolbar{background:#f5f7ff;border-bottom-color:#d1daf0}[data-theme=light] .lang-selector .ant-select-selector{background:#fff!important;border-color:#d1daf0!important;color:#0f1729!important}[data-theme=light] .search-wrapper .ant-input-affix-wrapper{background:#fff!important;border-color:#d1daf0!important}[data-theme=light] .search-wrapper .ant-input{color:#0f1729!important}[data-theme=light] .section-label:after{background:#d1daf0}.theme-toggle{transition:transform .3s ease!important}.theme-toggle:hover{transform:rotate(20deg)}.text-newline{white-space:pre-line}.desktop-menu{display:flex;gap:8px}.mobile-menu-btn{display:none}.header-nav-link.active{border-bottom:2px solid var(--color-primary);border-top:2px solid var(--color-primary);font-weight:600}@media (max-width: 768px){.desktop-menu{display:none}.mobile-menu-btn{display:inline-flex}}.mobile-menu{display:flex;flex-direction:column;gap:10px}.mobile-menu .active{background:var(--color-primary-light);font-weight:700}