.dsbg{background:var(--color-surface);width:min(460px,100%);max-width:100%;height:100dvh;max-height:100dvh;color:var(--color-ink);font:14px/1.6 var(--font-inter),Arial,sans-serif;box-shadow:-20px 0 60px color-mix(in srgb,var(--color-navy-900) 15%,transparent);border:0;margin:0;padding:0;position:fixed;inset:0 0 0 auto}.dsbg[open]{flex-direction:column;animation:.25s ease-out dsbg-vao;display:flex}.dsbg::backdrop{background:color-mix(in srgb,var(--color-navy-900) 40%,transparent)}.dsbg h2{font:700 22px/1.2 var(--font-be-vietnam-pro),var(--font-inter),sans-serif;letter-spacing:-.03em;margin:0}.dsbg svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;width:20px;height:20px}.dsbg-head{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:flex-start;gap:12px;padding:22px 22px 16px;display:flex}.dsbg-head p{color:var(--color-ink-muted);margin:4px 0 0;font-size:13px}.dsbg-x{min-width:44px;min-height:44px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;font-size:22px;line-height:1;display:grid}.dsbg-x:hover{background:var(--color-surface-2)}.dsbg-body{flex:1;padding:8px 22px;overflow:auto}.dsbg-row{border-bottom:1px solid var(--color-line-soft);grid-template-columns:44px 1fr auto auto;align-items:center;gap:12px;padding:12px 0;display:grid}.dsbg-row>span{border:1px solid var(--color-line-soft);width:44px;height:44px;color:var(--color-ink-faint);border-radius:4px;place-items:center;display:grid}.dsbg-row a{color:var(--color-navy-900);text-decoration:underline;-webkit-text-decoration-color:var(--color-line-strong);text-decoration-color:var(--color-line-strong);text-underline-offset:3px;word-break:break-all;font:700 13px ui-monospace,Menlo,monospace}.dsbg-row small{color:var(--color-ink-muted);font-size:12px;line-height:1.4;display:block}.dsbg-row input{border:1px solid var(--color-line);width:76px;height:40px;font:inherit;border-radius:4px;padding:0 8px}.dsbg-sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.dsbg-note{color:var(--color-ink-muted);margin:0;padding:14px 0;font-size:12px}.dsbg-rong{text-align:center;color:var(--color-ink-muted);justify-items:center;gap:10px;padding:40px 12px;display:grid}.dsbg-rong svg{width:36px;height:36px;color:var(--color-ink-faint)}.dsbg-rong p{margin:0}.dsbg-foot{border-top:1px solid var(--color-line);grid-template-columns:1fr 1.4fr;gap:10px;padding:16px 22px;display:grid}.dsbg-btn{cursor:pointer;white-space:nowrap;min-height:46px;font-weight:600;font:inherit;border-radius:4px;justify-content:center;align-items:center;gap:10px;padding:0 16px;font-weight:600;display:inline-flex}.dsbg-btn.primary{background:var(--color-brand-500);color:var(--color-navy-900);border:0}.dsbg-btn.primary:hover{background:var(--color-brand-600)}.dsbg-btn.ghost{background:var(--color-surface);border:1px solid var(--color-line);color:inherit}.dsbg-btn.ghost:hover{border-color:var(--color-navy-900)}.dsbg-btn:disabled{opacity:.45;cursor:not-allowed}.dsbg-dock{z-index:50;display:none;position:fixed;bottom:12px;left:12px;right:12px}.dsbg-dock button{background:var(--color-navy-900);width:100%;min-height:52px;color:var(--color-surface);box-shadow:0 10px 30px color-mix(in srgb,var(--color-navy-900) 25%,transparent);font:inherit;cursor:pointer;border:0;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:0 18px;display:flex}.dsbg-dock b{color:var(--color-brand-500)}.dsbg-toast{z-index:70;background:var(--color-navy-900);color:var(--color-surface);box-shadow:0 10px 30px color-mix(in srgb,var(--color-navy-900) 25%,transparent);overflow-wrap:anywhere;border-radius:6px;width:max-content;max-width:min(620px,100% - 24px);padding:12px 18px;font-size:13px;line-height:1.5;animation:.2s dsbg-hien;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.dsbg-toast[hidden]{display:none}.dsbg-toast button{color:var(--color-brand-500);font:inherit;cursor:pointer;background:0 0;border:0;min-height:24px;margin-left:8px;font-weight:600;text-decoration:underline}@keyframes dsbg-vao{0%{opacity:0;transform:translate(30px)}}@keyframes dsbg-hien{0%{opacity:0}}@media (width<=860px){.dsbg-dock:not([hidden]){display:block}.dsbg-toast{bottom:80px}.dsbg-foot{grid-template-columns:1fr}}@media (width<=767.98px){body:has([data-thanh-nhanh]) .dsbg-dock{bottom:calc(4rem + env(safe-area-inset-bottom) + 10px)}body:has([data-thanh-nhanh]) .dsbg-toast{bottom:calc(4rem + env(safe-area-inset-bottom) + 76px)}}@media (prefers-reduced-motion:reduce){.dsbg[open],.dsbg-toast{animation:none}}body:has(dialog[open]){overflow:hidden}.premium-header[data-astro-cid-6t6uoxjl]{z-index:40;background:color-mix(in srgb,var(--color-surface) 96%,transparent);border-bottom:1px solid var(--color-line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:sticky;top:0}.header-content[data-astro-cid-6t6uoxjl]{align-items:center;gap:28px;max-width:1440px;height:84px;margin:auto;padding:0 clamp(20px,5.55vw,80px);display:flex}.brand[data-astro-cid-6t6uoxjl]{flex:none}.brand[data-astro-cid-6t6uoxjl] img{width:174px;height:auto}.head-search[data-astro-cid-6t6uoxjl]{border:1px solid var(--color-line);background:var(--color-surface);max-width:520px;height:46px;color:var(--color-ink-muted);border-radius:6px;flex:1;align-items:center;gap:10px;padding:0 14px;transition:border-color .2s;display:flex}.head-search[data-astro-cid-6t6uoxjl]:focus-within{border-color:var(--color-navy-900)}.head-search[data-astro-cid-6t6uoxjl] input[data-astro-cid-6t6uoxjl]{min-width:0;color:var(--color-ink);background:0 0;border:0;outline:0;flex:1;font-size:15px}.desktop-links[data-astro-cid-6t6uoxjl]{align-items:center;gap:28px;margin-left:auto;display:flex}.desktop-links[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl]{white-space:nowrap;padding:28px 0;font-size:14px;position:relative}.desktop-links[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl]:hover:after,.desktop-links[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl][aria-current]:after{content:"";background:var(--color-brand-500);height:2px;position:absolute;bottom:19px;left:0;right:0}.header-actions[data-astro-cid-6t6uoxjl]{align-items:center;gap:12px;display:flex}.header-actions[data-astro-cid-6t6uoxjl] button[data-astro-cid-6t6uoxjl]{cursor:pointer;place-items:center;min-width:44px;min-height:44px;display:grid}.header-actions[data-astro-cid-6t6uoxjl] svg{width:20px;height:20px}.header-actions[data-astro-cid-6t6uoxjl] .ds-btn[data-astro-cid-6t6uoxjl]{background:var(--color-brand-500);white-space:nowrap;border-radius:4px;align-items:center;gap:10px;min-height:48px;padding:0 16px;font-size:14px;font-weight:600;display:flex}.ds-btn[data-astro-cid-6t6uoxjl]:hover{background:var(--color-brand-400)}.ds-btn[data-astro-cid-6t6uoxjl] b[data-astro-cid-6t6uoxjl]{background:var(--color-navy-900);min-width:24px;height:24px;color:var(--color-surface);text-align:center;border-radius:99px;padding:0 6px;font-size:12px;line-height:24px}.boq-link[data-astro-cid-6t6uoxjl]{white-space:nowrap;text-decoration:underline;-webkit-text-decoration-color:var(--color-brand-500);text-decoration-color:var(--color-brand-500);text-underline-offset:6px;padding:12px 4px;font-size:14px;font-weight:600;text-decoration-thickness:2px}.boq-link[data-astro-cid-6t6uoxjl]:hover{-webkit-text-decoration-color:var(--color-navy-900);text-decoration-color:var(--color-navy-900)}.header-actions[data-astro-cid-6t6uoxjl] .mobile-toggle[data-astro-cid-6t6uoxjl]{display:none}#premium-menu[data-astro-cid-6t6uoxjl]{border-top:1px solid var(--color-line);padding:0 22px 24px}#premium-menu[data-astro-cid-6t6uoxjl][hidden]{display:none}#premium-menu[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl]{border-bottom:1px solid var(--color-line);padding:13px 0;font-size:17px;display:block}@media (width<=1180px){.desktop-links[data-astro-cid-6t6uoxjl],.boq-link[data-astro-cid-6t6uoxjl]{display:none}.header-actions[data-astro-cid-6t6uoxjl]{margin-left:auto}.header-actions[data-astro-cid-6t6uoxjl] .mobile-toggle[data-astro-cid-6t6uoxjl]{display:grid}}@media (width<=760px){.header-content[data-astro-cid-6t6uoxjl]{flex-wrap:wrap;gap:10px 8px;height:auto;padding-block:10px}.brand[data-astro-cid-6t6uoxjl] img{width:132px}.head-search[data-astro-cid-6t6uoxjl]{flex-basis:100%;order:3;max-width:none;height:44px}.head-search[data-astro-cid-6t6uoxjl] input[data-astro-cid-6t6uoxjl]{font-size:16px}.header-actions[data-astro-cid-6t6uoxjl]{gap:4px}.header-actions[data-astro-cid-6t6uoxjl] .ds-btn[data-astro-cid-6t6uoxjl]{min-height:44px;padding:0 12px}.ds-chu[data-astro-cid-6t6uoxjl]{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}}.lang-chon[data-astro-cid-6t6uoxjl]{position:relative}.lang-chon[data-astro-cid-6t6uoxjl] summary[data-astro-cid-6t6uoxjl]{cursor:pointer;align-items:center;gap:6px;min-height:44px;padding:0 6px;font-size:14px;font-weight:600;list-style:none;display:flex}.lang-chon[data-astro-cid-6t6uoxjl] summary[data-astro-cid-6t6uoxjl]::-webkit-details-marker{display:none}.lang-chon[data-astro-cid-6t6uoxjl] ul[data-astro-cid-6t6uoxjl]{z-index:50;border:1px solid var(--color-line);background:var(--color-surface);min-width:168px;box-shadow:0 12px 32px -16px var(--color-navy-900);border-radius:6px;padding:6px;position:absolute;top:calc(100% + 6px);right:0}.lang-chon[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl]{border-radius:4px;padding:10px 12px;font-size:15px;display:block}.lang-chon[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl]:hover{background:var(--color-line)}.lang-chon[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl][aria-current]{font-weight:700}.lang-chon[data-astro-cid-6t6uoxjl] a[data-astro-cid-6t6uoxjl].mo{color:var(--color-ink-muted)}