/* CSS dùng chung: mọi quy tắc nằm trong .ktw-product-description .ktw-post để hạn chế xung đột giao diện CMS. */
.ktw-product-description .ktw-post{--post-primary:#1f4b78;--post-accent:#ee8022;--post-text:#263445;--post-muted:#5d6b7b;--post-border:#dfe6ed;--post-soft:#f4f7fa;width:100%;max-width:1000px;margin:0 auto;color:var(--post-text);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.8;overflow-wrap:anywhere}
.ktw-product-description .ktw-post,.ktw-product-description .ktw-post *{box-sizing:border-box}
.ktw-product-description .ktw-post p{margin:0 0 18px}.ktw-product-description .ktw-post h1,.ktw-product-description .ktw-post h2,.ktw-product-description .ktw-post h3{font-family:inherit;font-weight:700;line-height:1.35;color:var(--post-primary)}
.ktw-product-description .ktw-post h1{font-size:clamp(26px,4vw,38px);margin:0 0 24px}.ktw-product-description .ktw-post h2{font-size:clamp(23px,3vw,28px);margin:0 0 18px}.ktw-product-description .ktw-post h3{font-size:20px;margin:25px 0 12px}
.ktw-product-description .ktw-post section{margin-top:38px;scroll-margin-top:100px}.ktw-product-description .ktw-post a{color:var(--post-primary);text-decoration:underline;text-underline-offset:3px}.ktw-product-description .ktw-post a:hover{color:#a74400}.ktw-product-description .ktw-post a:focus-visible,.ktw-product-description .ktw-post summary:focus-visible{outline:3px solid var(--post-accent);outline-offset:4px}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__eyebrow{font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--post-muted);margin-bottom:12px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__lead{font-size:18px}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc{background:var(--post-soft);border:1px solid var(--post-border);border-radius:14px;padding:22px 26px;margin:26px 0}.ktw-product-description .ktw-post ol,.ktw-product-description .ktw-post ul{padding-left:24px;margin:12px 0 20px}.ktw-product-description .ktw-post li{margin-bottom:9px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc ol{margin-bottom:0}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__card{border:1px solid var(--post-border);padding:22px;border-radius:14px;background:#fff}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__card h3{margin-top:0}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__card p{margin-bottom:0}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__table-wrap{width:100%;margin:20px 0}.ktw-product-description .ktw-post table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:15px}.ktw-product-description .ktw-post caption{text-align:left;color:var(--post-muted);padding:0 0 10px;font-size:14px}.ktw-product-description .ktw-post th,.ktw-product-description .ktw-post td{border:1px solid var(--post-border);padding:13px;text-align:left;vertical-align:top;overflow-wrap:anywhere}.ktw-product-description .ktw-post thead th{background:var(--post-primary);color:#fff}.ktw-product-description .ktw-post tbody th{background:var(--post-soft)}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__note{padding:20px 22px;border-left:4px solid var(--post-accent);background:#fff6ed;border-radius:0 12px 12px 0;margin:22px 0}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq details{border:1px solid var(--post-border);border-radius:12px;margin:12px 0;background:#fff}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq summary{padding:17px 20px;cursor:pointer;font-weight:700;color:var(--post-primary);line-height:1.5}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq details[open] summary{border-bottom:1px solid var(--post-border)}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq details p{padding:17px 20px;margin:0}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__contact{background:var(--post-soft);border:1px solid var(--post-border);padding:28px;border-radius:14px}.ktw-product-description .ktw-post address{font-style:normal}.ktw-product-description .ktw-post address p{margin-bottom:9px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--post-primary);border-radius:8px;background:var(--post-primary);color:#fff;text-decoration:none;font-weight:700;line-height:1.5;text-align:center}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__button:hover{background:#163858;color:#fff}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__button--outline{background:#fff;color:var(--post-primary)}
.ktw-product-description .ktw-post img{max-width:100%;height:auto;border-radius:12px}.ktw-product-description .ktw-post figure{margin:24px 0}.ktw-product-description .ktw-post figcaption{font-size:14px;color:var(--post-muted);text-align:center;margin-top:8px}
@media(max-width:600px){.ktw-product-description .ktw-post{font-size:16px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__lead{font-size:17px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__grid{grid-template-columns:1fr}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc,.ktw-product-description .ktw-post .ktw-product-description .ktw-post__contact{padding:20px 16px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__card{padding:18px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__actions{flex-direction:column}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__button{width:100%}.ktw-product-description .ktw-post th,.ktw-product-description .ktw-post td{padding:8px 6px;font-size:13px}.ktw-product-description .ktw-post section{margin-top:30px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq summary,.ktw-product-description .ktw-post .ktw-product-description .ktw-post__faq details p{padding:16px}}
@media print{.ktw-product-description .ktw-post{max-width:none;color:#000;font-size:11pt}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc,.ktw-product-description .ktw-post .ktw-product-description .ktw-post__actions{display:none}.ktw-product-description .ktw-post h2,.ktw-product-description .ktw-post h3{break-after:avoid}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__card,.ktw-product-description .ktw-post tr{break-inside:avoid}.ktw-product-description .ktw-post details:not([open])>p{display:block}}

/* Nạp sau seo-article.css. Chỉ tác động nội dung bài .ktw-product-description .ktw-post. */
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc{padding:20px 22px;margin:24px 0 30px;background:#f4f7fa;border-radius:14px}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc-title{display:block;font-size:18px;color:var(--post-primary);margin:0 0 14px}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;list-style:none!important;padding:0!important;margin:0!important}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc li{list-style:none!important;padding:0!important;margin:0!important;min-width:0}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc li::before,.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc li::after{content:none!important}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc a{display:flex;align-items:flex-start;gap:10px;padding:10px 8px;min-height:44px;font-size:16px;line-height:1.5;text-decoration:none!important;border-radius:8px;color:var(--post-primary)}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc a:hover{background:#e6edf5;color:#163858}
.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc-number{flex:0 0 28px;display:inline-flex;align-items:center;justify-content:center;min-height:26px;border-radius:6px;background:#e1eaf4;font-size:12px;font-weight:700;line-height:26px}
@media(max-width:600px){.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc{padding:16px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc ol{grid-template-columns:1fr;gap:3px}.ktw-product-description .ktw-post .ktw-product-description .ktw-post__toc a{font-size:15px;padding:8px 4px}.ktw-product-description .ktw-post h1{font-size:26px}}

/* v3: mở rộng bài viết trong khung nội dung hiện có */
.ktw-product-description .ktw-post{width:100%;max-width:1300px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
@media(max-width:600px){.ktw-product-description .ktw-post{padding-left:4px;padding-right:4px}}

/* Khung do template cung cấp; không phụ thuộc article bên trong CMS. */
.ktw-product-description .ktw-post .ktw-post{max-width:none;width:100%;padding:0;margin:0}
.ktw-product-description .ktw-post h2{font-size:28px;font-weight:700;line-height:1.4;margin:30px 0 16px;color:#1f4b78}
.ktw-product-description .ktw-post h3{font-size:21px;font-weight:700;margin:24px 0 12px;color:#1f4b78}
.ktw-product-description .ktw-post p{margin:0 0 18px;line-height:1.8}
.ktw-product-description .ktw-post ul{list-style:disc}
.ktw-product-description .ktw-post ol{list-style:decimal}
@media(max-width:600px){.ktw-product-description .ktw-post h2{font-size:23px}.ktw-product-description .ktw-post h3{font-size:19px}}

/* Ẩn mũi tên FAQ, giữ chức năng đóng/mở */
.ktw-post .ktw-post__faq summary {
    display: block;
    list-style: none;
}

.ktw-post .ktw-post__faq summary::-webkit-details-marker {
    display: none;
}

.ktw-post .ktw-post__faq summary::marker {
    content: "";
}