.nexa-directory{margin:0;background:#f4f7f6;color:#102b35;font:16px/1.6 'Segoe UI',Arial,sans-serif}.nexa-directory *{box-sizing:border-box}.nexa-directory a{color:inherit;text-decoration:none}.nexa-directory a:hover{text-decoration:underline}.nexa-directory :focus-visible{outline:3px solid #007d48;outline-offset:4px}.nexa-directory .wrap{width:min(1200px,calc(100% - 40px));margin:auto}.nexa-directory header{background:#fff;border-bottom:1px solid #dbe8e0}.nexa-directory .top{display:flex;align-items:center;justify-content:space-between;padding-block:18px;gap:20px}.nexa-directory .brand{display:flex;align-items:center;gap:14px;font-size:24px;font-weight:800;letter-spacing:1px}.nexa-directory .brand img{width:52px;height:52px;object-fit:contain}.nexa-directory small{display:block;font-size:11px;letter-spacing:1px}.nexa-directory .call{background:#007d48;color:white;padding:12px 20px;border-radius:8px}.nexa-directory .main-nav{display:flex;gap:30px;flex-wrap:wrap;padding-block:12px;font-weight:600}.nexa-directory .crumbs{display:flex;flex-wrap:wrap;gap:9px;padding-block:24px;color:#586c68;font-size:14px}.nexa-directory .intro{border:1px solid #dde8e0;background:white;border-radius:16px;padding:30px;margin-bottom:28px}.nexa-directory .eyebrow{font-size:12px;font-weight:800;letter-spacing:2px;color:#007d48;margin:0}.nexa-directory h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:12px 0}.nexa-directory .intro>p:last-of-type{max-width:850px;color:#506660}.nexa-directory .tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.nexa-directory .tags a{border:1px solid #cbe2d4;background:#f1faf4;padding:8px 14px;border-radius:30px;font-size:14px;color:#006738}.nexa-directory [aria-current=page]{font-weight:700}.nexa-directory .layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px}.nexa-directory aside{align-self:start;border:1px solid #dde8e0;background:white;border-radius:12px;padding:20px}.nexa-directory aside h2{font-size:18px;margin-top:0}.nexa-directory aside>a,.nexa-directory details a{display:block;padding:8px 0;font-size:14px}.nexa-directory details a{padding-left:12px}.nexa-directory details{border-top:1px solid #e5eee8;padding-block:12px}.nexa-directory summary{cursor:pointer;font-weight:650}.nexa-directory .support{background:#eaf5ee;padding:16px;border-radius:8px;margin-top:16px;font-size:14px}.nexa-directory .section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.nexa-directory .section-title h2{font-size:23px;margin:0}.nexa-directory #result-count{font-size:14px;color:#52675f}.nexa-directory .toolbar{display:flex;gap:16px;background:white;border:1px solid #dde8e0;padding:16px;border-radius:10px;margin-block:18px}.nexa-directory label{display:grid;gap:5px;font-size:14px}.nexa-directory label:first-child{flex:1}.nexa-directory input,.nexa-directory select{min-width:0;width:100%;padding:11px;border:1px solid #bbd1c5;border-radius:6px;font:inherit;background:white}.nexa-directory .cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.nexa-directory .card{background:white;border:1px solid #dde8e0;border-radius:12px;overflow:hidden;transition:box-shadow .2s}.nexa-directory .card:hover{box-shadow:0 6px 20px #16332912}.nexa-directory .picture{display:block;background:white}.nexa-directory .picture img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;display:block;padding:12px}.nexa-directory .card-copy{padding:16px}.nexa-directory .label{font-size:12px;color:#007d48;margin:0}.nexa-directory .card h3{font-size:17px;line-height:1.5;margin:8px 0}.nexa-directory .card-copy>p:not(.label){font-size:14px;color:#61716b}.nexa-directory .detail-link{display:block;padding-top:12px;border-top:1px solid #e3eee6;color:#006e3e;font-weight:650}.nexa-directory .buying{background:#e8f4ec;padding:24px;border-radius:12px;margin-top:28px}.nexa-directory .buying h2{font-size:22px;margin-top:0}.nexa-directory .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.nexa-directory .steps h3{font-size:16px}.nexa-directory .steps p{font-size:14px}.nexa-directory footer{padding-block:38px;margin-top:35px;border-top:1px solid #dbe8e0;font-size:14px}.nexa-directory .skip{position:absolute;left:-10000px}.nexa-directory .skip:focus{left:10px;top:10px;background:white;padding:10px}.nexa-directory [hidden]{display:none!important}@media(max-width:900px){.nexa-directory .layout{grid-template-columns:210px minmax(0,1fr)}.nexa-directory .cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.nexa-directory .wrap{width:calc(100% - 28px)}.nexa-directory .top{align-items:flex-start;flex-direction:column;gap:12px}.nexa-directory .main-nav{gap:12px;font-size:14px}.nexa-directory .layout{grid-template-columns:1fr}.nexa-directory .intro{padding:22px}.nexa-directory .toolbar,.nexa-directory .steps{display:grid;grid-template-columns:1fr}.nexa-directory .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.nexa-directory .card-copy{padding:12px}.nexa-directory .card h3{font-size:16px}}@media(max-width:360px){.nexa-directory .cards{grid-template-columns:1fr}}
.nexa-directory .article-jump { display: inline-block; margin-top: 18px; color: #006738; text-decoration: underline; text-underline-offset: 4px; }
.nexa-directory .category-article { margin-top: 32px; padding: clamp(20px, 3vw, 36px); background: #fff; border: 1px solid #dde8e0; border-radius: 12px; overflow-wrap: anywhere; }
.nexa-directory .category-article h2 { font-size: clamp(22px, 2.5vw, 28px); line-height: 1.4; margin: 0 0 18px; scroll-margin-top: 24px; }
.nexa-directory .category-article h3 { font-size: 19px; line-height: 1.5; margin: 28px 0 10px; }
.nexa-directory .category-article p { font-size: 16px; line-height: 1.85; margin: 0 0 16px; max-width: 75ch; }
.nexa-directory .category-article p:last-child { margin-bottom: 0; }
.nexa-directory .category-article a { color: #006738; text-decoration: underline; text-underline-offset: 3px; }
.nexa-floating-contact-left { position: fixed; left: 16px; bottom: 24px; z-index: 99; display: flex; flex-direction: column; gap: 10px; }
.nexa-float-btn { width: 44px; height: 44px; border-radius: 8px; background: #007d48; display: flex; align-items: center; justify-content: center; position: relative; text-decoration: none; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2); transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, border-radius 0.2s ease; flex-shrink: 0; }
.nexa-float-btn svg { display: block; flex-shrink: 0; }
.nexa-float-label { position: absolute; left: 44px; top: 0; height: 44px; line-height: 44px; background: #007d48; color: #ffffff; padding: 0 14px 0 4px; border-radius: 0 8px 8px 0; font-size: 14px; font-weight: 700; white-space: nowrap; display: none; box-shadow: 4px 4px 14px rgba(0, 0, 0, 0.2); }
@media (hover: hover) and (min-width: 769px) { .nexa-float-btn:hover { border-radius: 8px 0 0 8px; transform: scale(1.05); background: #00913f; box-shadow: 0 6px 18px rgba(0, 125, 72, 0.35); } .nexa-float-btn:hover .nexa-float-label { display: block; } }
.nexa-floating-contact-right { position: fixed; right: 18px; bottom: 24px; z-index: 99; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.nexa-float-zalo-link { display: flex; flex-direction: column; align-items: center; text-decoration: none; transition: transform 0.2s ease; }
.nexa-zalo-icon-box { width: 44px; height: 44px; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 14px rgba(0, 104, 255, 0.32); display: flex; align-items: center; justify-content: center; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.nexa-float-zalo-link:hover .nexa-zalo-icon-box { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0, 104, 255, 0.45); }
.nexa-zalo-icon-box svg { display: block; width: 100%; height: 100%; }
.nexa-zalo-time-badge { display: inline-block; color: #0068ff; font-size: 11px; font-weight: 700; background: #ffffff; border-radius: 12px; padding: 2px 8px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12); border: 1px solid #bfdbfe; white-space: nowrap; line-height: 1.35; margin-top: 4px; }
@media (max-width: 640px) { .nexa-floating-contact-left { left: 12px; bottom: 18px; gap: 8px; } .nexa-float-btn { width: 40px; height: 40px; border-radius: 8px; } .nexa-float-btn svg { width: 22px; height: 22px; } .nexa-floating-contact-right { right: 12px; bottom: 18px; } .nexa-zalo-icon-box { width: 40px; height: 40px; border-radius: 9px; } .nexa-zalo-time-badge { font-size: 10px; padding: 1.5px 6px; } }

/* Mobile layout: compact navigation, content first, no horizontal clipping. */
@media (max-width: 640px) {
  .nexa-directory { max-width: 100%; overflow-x: clip; font-size: 15px; }
  .nexa-directory .wrap { width: calc(100% - 24px); }
  .nexa-directory .top { flex-direction: row; align-items: center; gap: 12px; padding-block: 12px; }
  .nexa-directory .brand { min-width: 0; gap: 9px; font-size: 18px; line-height: 1.15; }
  .nexa-directory .brand img { width: 42px; height: 42px; }
  .nexa-directory .brand small { margin-top: 3px; font-size: 8px; letter-spacing: .08em; }
  .nexa-directory .call { flex: 0 0 auto; padding: 9px 11px; font-size: 12px; white-space: nowrap; }
  .nexa-directory .main-nav {
    flex-wrap: nowrap; gap: 8px; margin-inline: -12px; padding: 9px 12px 12px;
    overflow-x: auto; white-space: nowrap; scrollbar-width: none;
  }
  .nexa-directory .main-nav::-webkit-scrollbar { display: none; }
  .nexa-directory .main-nav a { flex: 0 0 auto; padding: 7px 10px; border: 1px solid #d8e7df; border-radius: 999px; background: #f7fbf8; font-size: 12px; }
  .nexa-directory .crumbs {
    flex-wrap: nowrap; gap: 7px; margin-inline: -12px; padding: 14px 12px;
    overflow-x: auto; white-space: nowrap; scrollbar-width: none;
  }
  .nexa-directory .crumbs::-webkit-scrollbar { display: none; }
  .nexa-directory .intro { padding: 20px 18px; margin-bottom: 18px; border-radius: 13px; }
  .nexa-directory h1 { margin-block: 9px 12px; font-size: clamp(26px, 8vw, 34px); overflow-wrap: anywhere; }
  .nexa-directory .intro > p:last-of-type { margin-bottom: 0; font-size: 15px; line-height: 1.72; }
  .nexa-directory .tags { gap: 8px; margin-top: 18px; }
  .nexa-directory .tags a { padding: 7px 11px; font-size: 12px; }
  .nexa-directory .article-jump { margin-top: 14px; }
  .nexa-directory .layout { display: flex; flex-direction: column; gap: 22px; }
  .nexa-directory .layout > section { order: 1; min-width: 0; }
  .nexa-directory .layout > aside { order: 2; width: 100%; padding: 16px; }
  .nexa-directory .section-title h2 { font-size: 20px; }
  .nexa-directory .toolbar { gap: 10px; margin-block: 14px; padding: 12px; }
  .nexa-directory input, .nexa-directory select { padding: 10px; font-size: 15px; }
  .nexa-directory .cards { gap: 10px; }
  .nexa-directory .picture img { padding: 8px; }
  .nexa-directory .card-copy { padding: 11px; }
  .nexa-directory .card h3 { margin-block: 6px; font-size: 14px; line-height: 1.4; overflow-wrap: anywhere; }
  .nexa-directory .card-copy > p:not(.label) { font-size: 12px; }
  .nexa-directory .detail-link { padding-top: 9px; font-size: 12px; }
  .nexa-directory .category-article { margin-top: 24px; padding: 20px 18px; }
  .nexa-directory .category-article h2 { font-size: 22px; line-height: 1.3; }
  .nexa-directory .category-article h3 { font-size: 18px; }
  .nexa-directory .category-article p { font-size: 15px; line-height: 1.75; }
  .nexa-directory footer { padding-block: 28px 90px; overflow-wrap: anywhere; }
  .nexa-directory .nexa-floating-contact-left { left: 10px !important; bottom: max(12px, env(safe-area-inset-bottom)) !important; gap: 7px !important; }
  .nexa-directory .nexa-floating-contact-right { right: 10px !important; bottom: max(12px, env(safe-area-inset-bottom)) !important; }
  .nexa-directory .nexa-floating-contact-left .nexa-btn-messenger { display: none !important; }
  .nexa-directory .nexa-zalo-time-badge { display: none !important; }
}

@media (max-width: 380px) {
  .nexa-directory .top { align-items: stretch; flex-direction: column; }
  .nexa-directory .call { text-align: center; }
  .nexa-directory .cards { grid-template-columns: 1fr; }
}