.by-faq{--faq-blue:#07328e;--faq-dark:#061e55;--faq-red:#e40c23;--faq-pale:#eaf5ff;--faq-border:#d5e4f6;color:#162b4e;font-family:Kanit,system-ui,sans-serif;font-size:15px}.by-faq *{box-sizing:border-box}.by-faq h1,.by-faq h2,.by-faq h3{font-weight:700;color:#062e93}.by-faq h2{font-size:clamp(23px,2.7vw,32px);margin-bottom:20px}.by-faq a{text-decoration:none}.by-faq .fq-section{padding:35px 0}.by-faq .fq-hero{background:linear-gradient(100deg,rgba(234,246,255,.96),rgba(255,255,255,.68) 47%,rgba(226,239,253,.95)),url('../images/home/boiler.jpg') center/cover;padding:18px 0 40px}.by-faq .breadcrumb a{color:#4065aa}.by-faq .fq-hero-center{text-align:center;max-width:930px;margin:12px auto 0}.by-faq .fq-tag{display:inline-block;color:#0645a7;border:1px solid #5089db;background:#eef6ff;border-radius:8px;font-weight:600;padding:4px 12px;font-size:13px}.by-faq .fq-hero h1{font-size:clamp(29px,3.8vw,45px);line-height:1.27;margin:12px 0}.by-faq .fq-hero-center p{color:#40506b}.by-faq .fq-search{display:flex;align-items:center;margin:23px auto 14px;background:white;max-width:790px;border:1px solid #bfd3ef;border-radius:7px;box-shadow:0 6px 22px #06246f12;overflow:hidden}.by-faq .fq-search>i{color:#8496b5;margin:0 16px}.by-faq .fq-search input{min-width:0;flex:1;border:0;outline:none;padding:15px 0;background:transparent}.by-faq .fq-search button,.by-faq .fq-btn-red{background:var(--faq-red);color:#fff;border:0;padding:13px 26px;font-weight:600}.by-faq .fq-tags{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}.by-faq .fq-search-tag{border:1px solid #c8d9f0;background:#fff;color:var(--faq-blue);font-size:13px;border-radius:30px;padding:5px 15px}.by-faq .fq-cats{background:#fff}.by-faq .fq-category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.by-faq .fq-category-card{min-width:0;min-height:135px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:5px;background:#fff;border:1px solid var(--faq-border);border-radius:8px;padding:17px 14px;transition:.2s}.by-faq .fq-category-card:hover,.by-faq .fq-category-card:focus-visible{transform:translateY(-3px);box-shadow:0 8px 20px #06318b14;border-color:#477dda}.by-faq .fq-category-card>i{font-size:30px;color:#0b4bd2}.by-faq .fq-category-card strong{font-size:15px;color:var(--faq-blue)}.by-faq .fq-category-card small{color:#56729a}.by-faq .fq-featured,.by-faq .fq-all{background:linear-gradient(180deg,#eaf5fd,#f5faff)}.by-faq .fq-accordion .accordion-item{border:1px solid #c9daf0;border-radius:6px;margin-bottom:7px;overflow:hidden}.by-faq .fq-accordion .accordion-button{color:#07348f;background:#fff;font-weight:600;font-size:16px;gap:12px;padding:13px 18px;box-shadow:none}.by-faq .fq-accordion .accordion-button:not(.collapsed){background:#fff;color:#07348f;box-shadow:none}.by-faq .fq-accordion .accordion-button:focus-visible{outline:2px solid #1b63da}.by-faq .fq-number{width:29px;height:29px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;background:#e30c27;color:#fff}.by-faq .fq-accordion .accordion-body{line-height:1.8;padding:4px 20px 18px 62px}.by-faq .fq-small-link{display:inline-block;margin-right:10px;color:#0644c8;border:1px solid #bdd5fd;background:#f7fbff;padding:5px 12px;border-radius:4px;font-size:13px}.by-faq .fq-sidebar{background:#fff;border:1px solid var(--faq-border);padding:10px;border-radius:8px;position:sticky;top:80px}.by-faq .fq-filter{background:#fff;display:flex;align-items:center;width:100%;gap:10px;border:0;padding:12px;text-align:left;color:#174383;border-radius:5px}.by-faq .fq-filter>i{font-size:19px}.by-faq .fq-filter span{margin-left:auto}.by-faq .fq-filter.active,.by-faq 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.fq-contact-card-btn{margin-top:22px;padding:10px 16px;background:#e40d28;border-radius:5px;width:max-content}@media(max-width:991px){.by-faq .fq-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.by-faq .fq-sidebar{position:static}}@media(max-width:575px){.by-faq .fq-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.by-faq .fq-hero{padding-bottom:27px}.by-faq .fq-search button{padding:13px}.by-faq .fq-accordion .accordion-body{padding:8px 14px 16px}.by-faq .fq-datasheet>.container{flex-direction:column;align-items:stretch}.by-faq .fq-btn-dark{text-align:center}.by-faq .fq-contact-card{min-height:auto}}