:root{--bdkl-child-1: #dcdef0;--bdkl-child-2: #b3b6de;--bdkl-child-3: #4b4f9a;--bdkl-child-4: #26275d;--bdkl-child-ink-1: #26275d;--bdkl-child-ink-2: #26275d;--bdkl-child-ink-3: #ffffff;--bdkl-child-ink-4: #ffffff;--bdkl-child-line: #7f83c2;--bdkl-env-1: #ece8e1;--bdkl-env-2: #d6cfc3;--bdkl-env-3: #8f8577;--bdkl-env-4: #5f574c;--bdkl-env-ink-1: #1a1a1a;--bdkl-env-ink-2: #1a1a1a;--bdkl-env-ink-3: #1a1a1a;--bdkl-env-ink-4: #ffffff;--bdkl-env-line: #b3aa9c;--bdkl-radar-child: #26275d;--bdkl-radar-child-fill: rgba(38, 39, 93, .22);--bdkl-radar-env: #8f8577;--bdkl-radar-env-fill: rgba(143, 133, 119, .28);--bdkl-radar-env-fill-locked: rgba(143, 133, 119, .55);--bdkl-radar-prev: #5a5fa8;--bdkl-radar-prev-fill: rgba(127, 131, 194, .18);--bdkl-radar-grid: #d9d6cf;--bdkl-radar-axis: #c4bfb5;--bdkl-bg: var(--bg-soft, #f7f5f1);--bdkl-surface: #ffffff;--bdkl-ink: var(--text, #1a1a1a);--bdkl-body: var(--text-body, #333333);--bdkl-muted: #5c5c5c;--bdkl-line: var(--line-strong, #d9d9d9);--bdkl-accent: #7a6200;--bdkl-focus: #7a6200;--bdkl-fs: 1.0625rem;--bdkl-fs-lg: 1.1875rem;--bdkl-tap: 48px;--bdkl-radius: var(--radius-md, 14px);--bdkl-radius-sm: var(--radius-sm, 8px);--bdkl-gap: 1rem;--bdkl-maxw: 640px;--bdkl-shadow: var(--shadow-sm, 0 4px 14px rgba(38, 39, 93, .07));--bdkl-ease: cubic-bezier(.2, .7, .2, 1)}.bdkl-body{background:var(--bdkl-bg);color:var(--bdkl-body);font-size:var(--bdkl-fs);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden}.bdkl-main{flex:1 0 auto;padding-block:1.25rem 2.5rem}.bdkl-wrap{width:100%;max-width:var(--bdkl-maxw);margin-inline:auto;padding-inline:16px}.bdkl-wrap--wide{max-width:960px}.bdkl-stack>*+*{margin-top:var(--bdkl-gap)}.bdkl-stack--lg>*+*{margin-top:1.75rem}.bdkl-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.bdkl-body h1,.bdkl-body h2,.bdkl-body h3{color:var(--brand-navy, #26275d);overflow-wrap:anywhere}.bdkl-body h1{font-size:clamp(1.6rem,6vw,2.2rem);margin:0 0 .5em}.bdkl-body h2{font-size:clamp(1.35rem,4.6vw,1.7rem);margin:1.6em 0 .5em}.bdkl-body h3{font-size:1.2rem;margin:1.2em 0 .4em}.bdkl-body small,.bdkl-small{font-size:var(--bdkl-fs);color:var(--bdkl-muted)}.bdkl-eyebrow{font-family:var(--font-heading);font-weight:700;font-size:var(--bdkl-fs);letter-spacing:.02em;color:var(--bdkl-accent);margin:0 0 .25rem}.bdkl-muted{color:var(--bdkl-muted)}.bdkl-header{background:var(--bdkl-surface);border-bottom:1px solid var(--line, #ededed)}.bdkl-header__inner{display:flex;align-items:center;justify-content:space-between;gap:.75rem;min-height:56px}.bdkl-brand{display:inline-flex;align-items:center;gap:.6rem;min-height:var(--bdkl-tap);color:var(--brand-navy, #26275d);font-family:var(--font-heading);font-weight:700;font-size:var(--bdkl-fs-lg);line-height:1.15}.bdkl-brand:hover{text-decoration:none}.bdkl-brand img{height:36px;width:auto}.bdkl-header__by{text-align:right;line-height:1.25;font-size:var(--bdkl-fs);color:var(--bdkl-muted);display:inline-flex;align-items:center;min-height:var(--bdkl-tap)}.bdkl-footer{background:var(--brand-navy, #26275d);color:#ffffffe0;padding-block:1.5rem;font-size:var(--bdkl-fs)}.bdkl-footer a{color:#fff;text-decoration:underline;text-underline-offset:3px}.bdkl-footer a.bdkl-footer__eco{color:var(--brand-gold, #f9dd0e);font-weight:600}.bdkl-footer p{margin:.35rem 0}.bdkl-footer :focus-visible{outline-color:var(--brand-gold, #f9dd0e)}@media(max-width:400px){.bdkl-header__by{display:none}}.bdkl-card{background:var(--bdkl-surface);border-radius:var(--bdkl-radius);box-shadow:var(--bdkl-shadow);border:1px solid var(--line, #ededed);padding:1.25rem 1rem}@media(min-width:480px){.bdkl-card{padding:1.5rem}}.bdkl-card--soft{background:var(--bdkl-bg);box-shadow:none}.bdkl-card--navy{background:var(--brand-navy, #26275d);color:#fff;border-color:transparent}.bdkl-card--navy h2,.bdkl-card--navy h3{color:#fff}.bdkl-card>:first-child{margin-top:0}.bdkl-card>:last-child{margin-bottom:0}.bdkl-btn{-webkit-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:var(--bdkl-tap);padding:.7em 1.35em;border:2px solid var(--brand-navy, #26275d);border-radius:999px;background:var(--brand-navy, #26275d);color:#fff;font-family:var(--font-heading);font-weight:700;font-size:var(--bdkl-fs);line-height:1.25;text-align:center;text-decoration:none;cursor:pointer;touch-action:manipulation;transition:background-color .15s var(--bdkl-ease),color .15s var(--bdkl-ease),transform .15s var(--bdkl-ease)}.bdkl-btn:active{transform:translateY(1px)}.bdkl-btn[disabled],.bdkl-btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;transform:none}.bdkl-btn--secondary{background:#fff;color:var(--brand-navy, #26275d)}.bdkl-btn--ghost{background:transparent;border-color:transparent;color:var(--brand-navy, #26275d);text-decoration:underline;text-underline-offset:3px}.bdkl-btn--gold{background:var(--brand-gold, #f9dd0e);border-color:var(--brand-gold, #f9dd0e);color:var(--brand-navy, #26275d)}.bdkl-btn--zalo{background:#0068ff;border-color:#0068ff}.bdkl-btn--block{display:flex;width:100%}.bdkl-btn--lg{min-height:56px;font-size:var(--bdkl-fs-lg)}.bdkl-btn--sm{padding-inline:1em}.bdkl-btn__icon{flex:none;width:1.25em;height:1.25em}.bdkl-btn[aria-busy=true]{cursor:progress}.bdkl-choice{-webkit-appearance:none;appearance:none;display:flex;align-items:center;gap:.75rem;width:100%;min-height:56px;padding:.75rem 1rem;border:2px solid var(--bdkl-line);border-radius:var(--bdkl-radius);background:var(--bdkl-surface);color:var(--bdkl-ink);font:inherit;font-size:var(--bdkl-fs);line-height:1.4;text-align:left;cursor:pointer;touch-action:manipulation;transition:border-color .15s,background-color .15s}.bdkl-choice[aria-checked=true],.bdkl-choice[aria-pressed=true],.bdkl-choice.is-selected{border-color:var(--brand-navy, #26275d);background:#eef0fa;font-weight:600}.bdkl-choice__mark{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--bdkl-child-line);display:grid;place-items:center}.bdkl-choice[aria-checked=true] .bdkl-choice__mark,.bdkl-choice[aria-pressed=true] .bdkl-choice__mark,.bdkl-choice.is-selected .bdkl-choice__mark{border-color:var(--brand-navy, #26275d);background:var(--brand-navy, #26275d);box-shadow:inset 0 0 0 4px #fff}.bdkl-choices{display:grid;gap:.625rem;margin:0;padding:0;list-style:none}.bdkl-field{display:grid;gap:.4rem}.bdkl-label{font-weight:600;color:var(--bdkl-ink);font-size:var(--bdkl-fs)}.bdkl-hint{font-size:var(--bdkl-fs);color:var(--bdkl-muted);margin:0}.bdkl-input,.bdkl-select,.bdkl-textarea{-webkit-appearance:none;appearance:none;width:100%;min-height:var(--bdkl-tap);padding:.65rem .9rem;border:2px solid var(--bdkl-line);border-radius:var(--bdkl-radius-sm);background:#fff;color:var(--bdkl-ink);font:inherit;font-size:max(17px,var(--bdkl-fs));line-height:1.4}.bdkl-input::placeholder{color:#767676}.bdkl-input:focus,.bdkl-select:focus,.bdkl-textarea:focus{border-color:var(--brand-navy, #26275d)}.bdkl-input[aria-invalid=true]{border-color:var(--bdkl-accent)}.bdkl-error{color:var(--bdkl-accent);font-weight:600;font-size:var(--bdkl-fs);margin:0}.bdkl-error:before{content:"⚠ "}.bdkl-select{background-image:linear-gradient(45deg,transparent 50%,#26275d 50%),linear-gradient(135deg,#26275d 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat;padding-right:2.5rem}.bdkl-check{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;min-height:var(--bdkl-tap);cursor:pointer;font-size:var(--bdkl-fs);line-height:1.5}.bdkl-check input{width:24px;height:24px;margin:.15rem 0 0;accent-color:var(--brand-navy, #26275d);cursor:pointer}.bdkl-body :focus{outline:none}.bdkl-body :focus-visible{outline:3px solid var(--bdkl-focus);outline-offset:3px;border-radius:6px}.bdkl-body .bdkl-btn:focus-visible,.bdkl-body .bdkl-choice:focus-visible{outline-offset:3px;box-shadow:0 0 0 2px #fff}.bdkl-badge{display:inline-flex;align-items:center;gap:.5rem;min-height:36px;padding:.25rem .8rem .25rem .6rem;border-radius:999px;border:1px solid transparent;font-family:var(--font-heading);font-weight:700;font-size:var(--bdkl-fs);line-height:1.2;white-space:nowrap}.bdkl-badge__dots{display:inline-flex;gap:3px}.bdkl-badge__dot{width:8px;height:8px;border-radius:50%;border:1.5px solid currentColor}.bdkl-badge__dot.is-on{background:currentColor}.bdkl-badge--child.bdkl-badge--l1{background:var(--bdkl-child-1);color:var(--bdkl-child-ink-1);border-color:var(--bdkl-child-line)}.bdkl-badge--child.bdkl-badge--l2{background:var(--bdkl-child-2);color:var(--bdkl-child-ink-2);border-color:var(--bdkl-child-line)}.bdkl-badge--child.bdkl-badge--l3{background:var(--bdkl-child-3);color:var(--bdkl-child-ink-3)}.bdkl-badge--child.bdkl-badge--l4{background:var(--bdkl-child-4);color:var(--bdkl-child-ink-4)}.bdkl-badge--env.bdkl-badge--l1{background:var(--bdkl-env-1);color:var(--bdkl-env-ink-1);border-color:var(--bdkl-env-line)}.bdkl-badge--env.bdkl-badge--l2{background:var(--bdkl-env-2);color:var(--bdkl-env-ink-2);border-color:var(--bdkl-env-line)}.bdkl-badge--env.bdkl-badge--l3{background:var(--bdkl-env-3);color:var(--bdkl-env-ink-3)}.bdkl-badge--env.bdkl-badge--l4{background:var(--bdkl-env-4);color:var(--bdkl-env-ink-4)}.bdkl-progress{margin:0}.bdkl-progress__track{position:relative;height:8px;border-radius:999px;background:var(--bdkl-child-1);overflow:hidden}.bdkl-progress__fill{position:absolute;inset:0 auto 0 0;background:var(--brand-navy, #26275d);border-radius:999px;transition:width .35s var(--bdkl-ease)}.bdkl-progress__steps{list-style:none;margin:.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(var(--bdkl-steps, 4),minmax(0,1fr));gap:.25rem}.bdkl-progress__step{display:flex;flex-direction:column;align-items:center;gap:.2rem;font-size:var(--bdkl-fs);line-height:1.2;color:var(--bdkl-muted);text-align:center;min-width:0}.bdkl-progress__step span:last-child{overflow:hidden;text-overflow:ellipsis;max-width:100%;white-space:nowrap}.bdkl-progress__dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--bdkl-child-line);background:#fff}.bdkl-progress__step.is-done{color:var(--brand-navy, #26275d)}.bdkl-progress__step.is-done .bdkl-progress__dot{background:var(--brand-navy, #26275d);border-color:var(--brand-navy, #26275d)}.bdkl-progress__step.is-current{color:var(--brand-navy, #26275d);font-weight:700}.bdkl-progress__step.is-current .bdkl-progress__dot{border-color:var(--brand-navy, #26275d);box-shadow:0 0 0 3px var(--bdkl-child-1)}@media(max-width:340px){.bdkl-progress__step:not(.is-current) span:last-child{display:none}}.bdkl-radar{position:relative;margin:0;display:grid;justify-items:center;gap:.75rem}.bdkl-radar svg{display:block;width:100%;height:auto;max-width:var(--bdkl-radar-max, 420px);overflow:visible}.bdkl-radar__legend{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1.25rem;margin:0;padding:0;list-style:none;font-size:var(--bdkl-fs)}.bdkl-radar__key{display:inline-flex;align-items:center;gap:.45rem}.bdkl-radar__swatch{width:22px;height:12px;border-radius:3px;border:2px solid}.bdkl-radar__swatch--child{background:var(--bdkl-radar-child-fill);border-color:var(--bdkl-radar-child)}.bdkl-radar__swatch--env{background:var(--bdkl-radar-env-fill);border-color:var(--bdkl-radar-env)}.bdkl-radar__swatch--prev{background:var(--bdkl-radar-prev-fill);border-color:var(--bdkl-radar-prev);border-style:dashed}.bdkl-cite{margin:.5rem 0 0;font-size:var(--bdkl-fs)}.bdkl-cite>summary{list-style:none;display:inline-flex;align-items:center;gap:.4rem;min-height:var(--bdkl-tap);padding-inline:.25rem;color:var(--brand-navy, #26275d);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.bdkl-cite>summary::-webkit-details-marker{display:none}.bdkl-cite>summary:before{content:"";width:.5em;height:.5em;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(-45deg);transition:transform .15s}.bdkl-cite[open]>summary:before{transform:rotate(45deg)}.bdkl-cite__open{display:none}.bdkl-cite[open] .bdkl-cite__open{display:inline}.bdkl-cite[open] .bdkl-cite__closed{display:none}.bdkl-cite__panel{margin-top:.25rem;padding:.75rem 1rem;border-left:3px solid var(--bdkl-child-line);background:var(--bdkl-bg);border-radius:0 var(--bdkl-radius-sm) var(--bdkl-radius-sm) 0}.bdkl-cite__list{margin:0;padding-left:1.2rem;display:grid;gap:.5rem}.bdkl-cite__list a{overflow-wrap:anywhere}.bdkl-cite__id{display:inline-flex;align-items:center;justify-content:center;min-height:var(--bdkl-tap);min-width:var(--bdkl-tap);vertical-align:middle;margin:-.6rem 0 -.6rem .1rem;color:var(--bdkl-muted);font-variant-numeric:tabular-nums}.bdkl-cite__foot{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1rem;margin-top:.5rem}.bdkl-cite__foot a{display:inline-flex;align-items:center;min-height:var(--bdkl-tap)}.bdkl-info{position:relative;display:inline-block;vertical-align:middle}.bdkl-info__btn{-webkit-appearance:none;appearance:none;display:inline-grid;place-items:center;width:var(--bdkl-tap);height:var(--bdkl-tap);margin:-12px -10px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--brand-navy, #26275d);cursor:pointer;touch-action:manipulation}.bdkl-info__glyph{display:block;width:26px;height:26px}.bdkl-info__btn[aria-expanded=true]{background:#eef0fa}.bdkl-info__panel{position:absolute;z-index:30;top:calc(100% + 14px);left:-10px;width:min(352px,calc(100vw - 32px));padding:.9rem 1rem .5rem;border-radius:var(--bdkl-radius);border:1px solid var(--bdkl-line);background:#fff;box-shadow:0 10px 30px #26275d2e;color:var(--bdkl-body);font-size:var(--bdkl-fs);line-height:1.55;text-align:left;font-weight:400;font-family:var(--font-body)}.bdkl-info__panel:not([hidden]){display:block}.bdkl-info__text,.bdkl-info__title{display:block}.bdkl-info__text{margin:0 0 .5rem}.bdkl-info__list{display:grid;gap:.5rem;margin:0 0 .25rem}.bdkl-info__item{display:block;padding-left:.9rem;position:relative}.bdkl-info__item:before{content:"•";position:absolute;left:0;color:var(--bdkl-muted)}.bdkl-info__item a{overflow-wrap:anywhere}.bdkl-info__title{font-family:var(--font-heading);font-weight:700;color:var(--brand-navy, #26275d);margin:0 0 .35rem;font-size:var(--bdkl-fs)}.bdkl-info__close{margin-top:.25rem}.bdkl-sr-only,.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;border:0!important}.bdkl-skip{position:absolute;left:8px;top:-60px;z-index:100;padding:.6rem 1rem;background:var(--brand-navy, #26275d);color:#fff;border-radius:var(--bdkl-radius-sm)}.bdkl-skip:focus{top:8px}.bdkl-blur{filter:blur(8px);user-select:none;pointer-events:none}.bdkl-divider{border:0;border-top:1px solid var(--line, #ededed);margin:1.5rem 0}@media(hover:hover)and (pointer:fine){.bdkl-btn:hover{background:var(--brand-navy-deep, #1d1e48);border-color:var(--brand-navy-deep, #1d1e48);text-decoration:none}.bdkl-btn--secondary:hover{background:#eef0fa;color:var(--brand-navy, #26275d)}.bdkl-btn--ghost:hover{background:#26275d0f;border-color:transparent}.bdkl-btn--gold:hover{background:#ffe93d;border-color:#ffe93d;color:var(--brand-navy, #26275d)}.bdkl-btn--zalo:hover{background:#0054cc;border-color:#0054cc}.bdkl-choice:not([aria-pressed=true]):not([aria-checked=true]):not(.is-selected):hover{border-color:var(--bdkl-child-line)}.bdkl-input:not([aria-invalid=true]):hover,.bdkl-select:not([aria-invalid=true]):hover,.bdkl-textarea:not([aria-invalid=true]):hover{border-color:var(--bdkl-child-line)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.bdkl-body *,.bdkl-body *:before,.bdkl-body *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media print{@page{margin:14mm 12mm}.bdkl-body{background:#fff;color:#000;display:block;min-height:0}.bdkl-header,.bdkl-footer,.bdkl-no-print,.bdkl-btn,.bdkl-info,.bdkl-skip{display:none!important}.bdkl-main{padding:0}.bdkl-wrap{max-width:none;padding:0}.bdkl-card{box-shadow:none;border:1px solid #ccc;break-inside:avoid;page-break-inside:avoid}.bdkl-body h2,.bdkl-body h3{break-after:avoid;page-break-after:avoid}.bdkl-radar{break-inside:avoid}.bdkl-radar svg{max-width:300px}.bdkl-cite__panel{background:none;border-left-color:#999}.bdkl-cite a[href^=http]:after{content:" (" attr(href) ")";font-size:.85em;color:#444;overflow-wrap:anywhere}.bdkl-print-only{display:block!important}*{-webkit-print-color-adjust:exact;print-color-adjust:exact}}.bdkl-print-only{display:none}