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rgba(0,0,0,.14);background:rgba(255,255,255,.75);color:rgba(31,35,41,.72);text-align:center}.doc-floating-helper{position:fixed;right:2.5%;bottom:30px;z-index:1000;display:flex;flex-direction:column;gap:12px}.doc-floating-helper .doc-helper-item{width:52px;height:52px;border-radius:50%;border:none;background:linear-gradient(135deg,#4772ff 0,#36b3ff 100%);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 20px 40px rgba(71,114,255,.15);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;text-decoration:none}.doc-floating-helper .doc-helper-item:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(71,114,255,.2)}.doc-floating-helper .js-open-chat img{width:30px;height:30px;filter:brightness(0) invert(1)}.doc-floating-helper .doc-helper-top{opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .2s ease,transform .2s ease}.doc-floating-helper .doc-helper-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.doc-floating-helper .doc-helper-item span{font-size:12px;font-weight:600}@media(max-width:1024px){.tools-grid{grid-template-columns:1fr}.tools-items{grid-template-columns:repeat(3,minmax(0,1fr))}.doc-floating-helper{right:16px;bottom:16px}}@media(max-width:830px){.tools-items{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:768px){.tools-items,.tools-search{grid-template-columns:1fr}.tools-search button{width:100%}}@media(max-width:480px){.tools-index-main{padding:18px 14px 30px}}