.navbar{background:var(--bg-primary);box-shadow:0 2px 8px #00000014;position:sticky;top:0;z-index:100}.navbar-container{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-standard) 0}.navbar-left{display:flex;align-items:center}.navbar-right{display:flex;align-items:center;gap:var(--spacing-standard)}.logo{display:flex;align-items:center;gap:var(--spacing-standard);cursor:pointer;transition:all .2s ease-in-out}.logo:hover{transform:translateY(-2px)}.logo span{font-size:20px;font-weight:600;color:var(--text-primary)}.search-container{flex:1;max-width:400px;margin:0 var(--spacing-loose);position:relative}.search-input{width:100%;padding:10px 40px 10px 16px;border:1px solid var(--border-primary);border-radius:8px;font-size:14px}.search-clear-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:20px;color:var(--text-tertiary);cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;transition:all .2s ease-in-out}.search-clear-btn:hover{color:var(--text-primary);background:var(--bg-tertiary);border-radius:50%}.search-result-count{position:absolute;bottom:-20px;left:0;font-size:12px;color:var(--text-tertiary)}.nav-icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:1px solid var(--border-primary);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease-in-out;text-decoration:none}.nav-icon-btn:hover{background:var(--bg-tertiary);border-color:var(--primary);color:var(--primary)}.nav-icon-btn svg{flex-shrink:0}.hot-tools-dropdown{position:relative}.hot-tools-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease-in-out}.hot-tools-btn:hover{background:var(--bg-secondary);border-color:var(--primary)}.hot-tools-btn svg:first-child{color:#f59e0b}.hot-tools-menu{position:absolute;top:calc(100% + 4px);left:0;min-width:160px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px;box-shadow:0 4px 12px #0000001a;display:none;z-index:1000;overflow:hidden}.hot-tools-menu.show{display:block}.hot-tools-menu a{display:block;padding:10px 16px;color:var(--text-primary);font-size:14px;transition:background .15s ease;text-decoration:none}.hot-tools-menu a:hover{background:var(--bg-tertiary);color:var(--primary);text-decoration:none}.main-content{min-height:calc(100vh - 400px);padding:var(--spacing-extra) 0}.hero-section{text-align:center;padding:var(--spacing-extra) 0 var(--spacing-loose);margin-bottom:var(--spacing-loose);background:linear-gradient(180deg,var(--bg-tertiary) 0%,transparent 100%);border-radius:24px;margin-left:calc(-1 * var(--spacing-loose));margin-right:calc(-1 * var(--spacing-loose));padding-left:var(--spacing-loose);padding-right:var(--spacing-loose)}.hero-title{font-size:32px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-tight)}.hero-subtitle{font-size:15px;color:var(--text-tertiary);margin:0;font-weight:400}.hero-subtitle strong{color:var(--primary);font-weight:500}.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-loose);margin-bottom:var(--spacing-extra)}.tools-section{margin-bottom:var(--spacing-extra)}.section-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-standard);padding-bottom:var(--spacing-tight);border-bottom:2px solid var(--primary);display:inline-block}.tools-grid-compact{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--spacing-standard)}.tool-card{background:var(--bg-primary);border-radius:16px;border:1px solid var(--border-primary);padding:var(--spacing-loose);transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:160px}.tool-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));opacity:0;transition:opacity .3s ease}.tool-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:0 12px 24px #0000001a,0 4px 8px #0000000f}.tool-card:hover:before{opacity:1}.tool-card:active{transform:translateY(-2px)}.tool-card.not-implemented{opacity:.7;border:2px dashed #CBD5E1;background:linear-gradient(135deg,#f8fafc,#f1f5f9);cursor:not-allowed}.tool-card.not-implemented:hover{transform:translateY(-4px);box-shadow:0 8px 24px #94a3b833}.tool-card-arrow{position:absolute;bottom:var(--spacing-loose);right:var(--spacing-loose);width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);transition:all .3s ease;opacity:0;transform:translate(-8px)}.tool-card:hover .tool-card-arrow{opacity:1;transform:translate(0);background:var(--primary);color:#fff}.tool-card-arrow svg{width:14px;height:14px}.tool-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg-tertiary) 100%);border-radius:12px;margin-bottom:var(--spacing-standard);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.tool-icon img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s ease-in-out}.tool-icon img.loaded{opacity:1}.tool-icon svg{width:28px;height:28px;color:var(--primary)}.tool-name{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-tight);line-height:1.4;transition:color .2s ease}.tool-card:hover .tool-name{color:var(--primary)}.tool-description{font-size:13px;font-weight:400;color:var(--text-tertiary);margin-bottom:0;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex-grow:1}.tool-card .btn-primary{width:100%}.no-results{text-align:center;padding:var(--spacing-extra) 0;display:none}.no-results svg{margin-bottom:var(--spacing-standard)}.no-results p{color:var(--text-secondary);margin-bottom:var(--spacing-standard)}.no-results button{margin-top:var(--spacing-standard)}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--spacing-standard);flex-wrap:wrap}.pagination-btn{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px;padding:8px 16px;color:var(--text-primary);transition:all .2s ease-in-out}.pagination-btn:hover:not(:disabled){background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}.pagination-btn:active:not(:disabled){transform:translateY(1px)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.pagination-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination-info{color:var(--text-secondary);font-size:14px}.pagination-select{padding:8px 12px;border:1px solid var(--border-primary);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;cursor:pointer}.footer{background:var(--bg-tertiary);padding:var(--spacing-extra) 0;margin-top:var(--spacing-extra)}.footer-container{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-loose)}.footer-column h3{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-standard)}.footer-column p{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:var(--spacing-tight)}.footer-column ul{list-style:none}.footer-column ul li{margin-bottom:var(--spacing-tight)}.footer-column ul li a{color:var(--text-secondary);font-size:14px}.footer-column ul li a:hover{color:var(--primary)}.copyright,.beian{margin-top:var(--spacing-standard);font-size:12px;color:var(--text-tertiary)}@media(max-width:1200px){.tools-grid-compact{grid-template-columns:repeat(4,1fr)}}@media(max-width:1023px){.tools-grid,.tools-grid-compact{grid-template-columns:repeat(3,1fr)}.footer-container{grid-template-columns:repeat(2,1fr)}}@media(max-width:767px){.navbar-container{flex-wrap:wrap}.logo{width:100%;justify-content:center;margin-bottom:var(--spacing-standard)}.hero-section{margin-left:calc(-1 * var(--spacing-standard));margin-right:calc(-1 * var(--spacing-standard));padding-left:var(--spacing-standard);padding-right:var(--spacing-standard)}.hero-title{font-size:24px}.hero-subtitle{font-size:13px}.search-container{order:3;max-width:100%;margin:var(--spacing-standard) 0}.nav-links{width:100%;justify-content:center}.tools-grid{grid-template-columns:1fr}.tools-grid-compact{grid-template-columns:repeat(2,1fr)}.footer-container{grid-template-columns:1fr}}