:root {


  --e-cua: cubic-bezier(0.16, 1, 0.30, 1);

  --e-chot: cubic-bezier(0.22, 0.61, 0.36, 1);

  --e-deu: linear;

  --e-vao: cubic-bezier(0.25, 0.46, 0.45, 0.94);



  --t-nhay: 120ms;
  --t-nho: 200ms;
  --t-vua: 340ms;
  --t-lon: 560ms;
  --t-nang: 880ms;



  --d-nhe: 8px;
  --d-vua: 16px;
  --d-lon: 26px;



  --bong-1: 0 1px 2px rgba(12, 14, 20, .07), 0 2px 6px rgba(12, 14, 20, .05);
  --bong-2: 0 2px 4px rgba(12, 14, 20, .09), 0 8px 18px rgba(12, 14, 20, .07);
  --bong-3: 0 4px 8px rgba(12, 14, 20, .11), 0 18px 40px rgba(12, 14, 20, .10);

  --bong-nong: 0 2px 4px rgba(12, 14, 20, .10), 0 14px 34px rgba(176, 47, 18, .16);


  --nong-900: var(--lua-900);
  --nong-700: var(--lua-700);
  --nong-500: var(--lua-500);
  --nong-300: var(--lua-300);
  --nong-100: var(--lua-100);

  --nguoi-900: var(--thep-900);
  --nguoi-700: var(--thep-700);
  --nguoi-500: var(--thep-500);
  --nguoi-300: var(--thep-300);
  --nguoi-100: var(--thep-100);



  --mono: "IBM Plex Mono", "IPM du phong", ui-monospace, "SF Mono", Menlo, Consolas, monospace;


  --chu-hien: clamp(64px, 11.5vw, 176px);
  --chu-lon: clamp(34px, 5.2vw, 62px);
  --chu-vua: clamp(24px, 3vw, 34px);
  --chu-nho: 17px;
  --chu-nhan: 11px;


  --bo-du-lieu: 3px;
  --bo-the: 14px;
  --bo-lon: 20px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-vao] { opacity: 1 !important; transform: none !important; }
}

@media print {
  [data-vao] { opacity: 1 !important; transform: none !important; animation: none !important; }
}

.co-js [data-vao] {
  transform: translate3d(0, var(--d-vao-y, var(--d-vua)), 0);
  transition: transform var(--t-lon) var(--e-vao);
  transition-delay: var(--tre, 0ms);
  will-change: transform;
}
.co-js [data-vao].hien {
  transform: none;
  will-change: auto;
}

.co-js [data-vao='trai'] { transform: translate3d(calc(var(--d-lon) * -1), 0, 0); }
.co-js [data-vao='phai'] { transform: translate3d(var(--d-lon), 0, 0); }
.co-js [data-vao='mo']   { transform: none; }

@keyframes aero-vao {
  from { opacity: 0; transform: translate3d(0, var(--d-vao-y, var(--d-vua)), 0); }
  to   { opacity: 1; transform: none; }
}

.so-on-dinh { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; }

.vach-ve {
  --vach-w: 0%;
  position: relative;
}
.vach-ve::after {
  content: ''; position: absolute; left: 0; bottom: -10px; height: 3px; border-radius: 2px;
  width: var(--vach-w); background: linear-gradient(90deg, var(--nong-500), var(--nong-300));
  transition: width var(--t-nang) var(--e-cua);
}
.vach-ve.hien { --vach-w: 68px; }

.btn { transition: transform var(--t-nhay) var(--e-chot), box-shadow var(--t-nho) var(--e-chot),
                   background-color var(--t-nho) var(--e-chot), border-color var(--t-nho) var(--e-chot); }
.btn:active { transform: translateY(1px); }

.card, .kt-the, .ai-the {
  transition: transform var(--t-vua) var(--e-cua), box-shadow var(--t-vua) var(--e-cua),
              border-color var(--t-vua) var(--e-cua);
}

.nhan-kt {
  font-family: var(--mono);
  font-size: var(--chu-nhan);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  line-height: 1.2;
  font-feature-settings: 'tnum' 1;
}

.so-hien {
  font-family: var(--mono);
  font-size: var(--chu-hien);
  font-weight: 600;
  line-height: 0.86;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  display: block;
}
.so-hien sup, .so-hien .dv {
  font-size: 0.26em; font-weight: 500; letter-spacing: 0;
  vertical-align: super; margin-left: .06em; opacity: .72;
}

.khoi-kt {
  border: 2px solid currentColor;
  border-radius: var(--bo-du-lieu);
  box-shadow: none;
}

.bang-kt td:not(:first-child), .bang-gia td, .sp-price, .hero-gia b:last-child,
.stats b, .tl-o b, .cfg-tong, .price {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

.pt-readout { display: none; }

@property --pt-phut { syntax: "<integer>"; inherits: false; initial-value: 0; }
@property --pt-doc { syntax: "<integer>"; inherits: false; initial-value: 20; }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .pt-duong { stroke-dasharray: 1; stroke-dashoffset: 1;
      animation: pt-ve linear both;
      animation-timeline: view(); animation-range: entry 25% cover 65%; }

    .pt-vung { opacity: 0; animation: pt-hien linear both;
      animation-timeline: view(); animation-range: cover 30% cover 65%; }
    .pt-moc { opacity: 0; animation: pt-hien linear both; animation-timeline: view(); }
    .pt-moc[data-ei="60"] { animation-range: cover 52% cover 66%; }
    .pt-moc[data-ei="90"] { animation-range: cover 60% cover 74%; }
    .pt-moc[data-ei="120"] { animation-range: cover 68% cover 82%; }
    .pt-dau { opacity: 0; animation: pt-hien linear both;
      animation-timeline: view(); animation-range: cover 60% cover 72%; }


    .pt-readout { display: flex; gap: 18px; position: absolute; top: 20px; right: 18px;
      font: 600 12px/1.4 var(--mono); letter-spacing: .07em; color: var(--thep-200);
      font-variant-numeric: tabular-nums;
      animation: pt-dem linear both;
      animation-timeline: view(); animation-range: entry 25% cover 65%; }
    .ro-phut::after { counter-reset: p var(--pt-phut);
      content: "T+" counter(p, decimal-leading-zero) " PHÚT"; }
    .ro-doc::after { counter-reset: d var(--pt-doc); content: counter(d) " °C";
      color: var(--lua-300); }

    .pt-tinh { position: absolute; clip-path: inset(50%); width: 1px; height: 1px;
      overflow: hidden; white-space: nowrap; }
  }
}
@keyframes pt-ve { to { stroke-dashoffset: 0; } }
@keyframes pt-hien { to { opacity: 1; } }
@keyframes pt-dem {
  0%     { --pt-phut: 0;   --pt-doc: 20; }
  4.17%  { --pt-phut: 5;   --pt-doc: 576; }
  12.5%  { --pt-phut: 15;  --pt-doc: 739; }
  25%    { --pt-phut: 30;  --pt-doc: 842; }
  50%    { --pt-phut: 60;  --pt-doc: 945; }
  75%    { --pt-phut: 90;  --pt-doc: 1006; }
  100%   { --pt-phut: 120; --pt-doc: 1049; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-anh img { animation: hero-lang var(--t-nang) var(--e-cua) both; }
  .hero-noi > div > * { animation: hero-len var(--t-lon) var(--e-vao) both; }
  .hero-noi > div > :nth-child(1) { animation-delay: 60ms; }
  .hero-noi > div > :nth-child(2) { animation-delay: 120ms; }
  .hero-noi > div > :nth-child(3) { animation-delay: 180ms; }
  .hero-noi > div > :nth-child(4) { animation-delay: 240ms; }
  .hero-noi > div > :nth-child(n+5) { animation-delay: 300ms; }
  .hero-ai { animation: hero-len var(--t-lon) var(--e-vao) 160ms both; }
}
@keyframes hero-lang { from { transform: scale(1.03); } to { transform: none; } }
@keyframes hero-len  { from { transform: translate3d(0, 10px, 0); } to { transform: none; } }

.vua-doi { animation: nhan-so var(--t-vua) var(--e-chot); }
@keyframes nhan-so {
  0%   { transform: none; }
  40%  { transform: translate3d(0, -2px, 0); }
  100% { transform: none; }
}

:root {

  --w-hep:  640px;
  --w-vua:  960px;
  --w-rong: 1240px;
  --w-tran: 1560px;


  --le: clamp(20px, 4vw, 40px);


  --ranh-nho: 12px;
  --ranh:     clamp(16px, 2.2vw, 24px);
  --ranh-lon: clamp(32px, 4.4vw, 56px);


  --doc-0:  0;
  --doc-1:  40px;
  --doc-2:  72px;
  --doc-3:  clamp(80px, 8vw, 112px);
  --doc-4:  clamp(112px, 12vw, 160px);
  --doc-5:  clamp(64px, 7vw, 104px);


  --r-0:    0;
  --r-kt:   3px;
  --r-vat:  12px;
  --r-lon:  24px;
  --r-tron: 999px;

}

.dan {
  display: grid;
  grid-template-columns:
    [bleed-start] minmax(var(--le), 1fr)
    [rong-start]  minmax(0, calc((var(--w-rong) - var(--w-vua)) / 2))
    [vua-start]   minmax(0, calc((var(--w-vua) - var(--w-hep)) / 2))
    [doc-start]   min(var(--w-hep), 100% - 2 * var(--le)) [doc-end]
                  minmax(0, calc((var(--w-vua) - var(--w-hep)) / 2)) [vua-end]
                  minmax(0, calc((var(--w-rong) - var(--w-vua)) / 2)) [rong-end]
    minmax(var(--le), 1fr) [bleed-end];
}
.dan > * { grid-column: rong; min-width: 0; }
.dan > .l-doc { grid-column: doc; }
.dan > .l-vua { grid-column: vua; }
.dan > .l-rong { grid-column: rong; }
.dan > .l-tran { grid-column: bleed; }

.dan > .l-tran-trai { grid-column: bleed-start / vua-end; }
.dan > .l-tran-phai { grid-column: vua-start / bleed-end; }
@media (max-width: 780px) {
  .dan > .l-tran-trai, .dan > .l-tran-phai { grid-column: rong; }
}

.cot-le { display: grid; gap: clamp(24px, 4vw, 64px); align-items: start; }
.cot-le-5-7 { grid-template-columns: 5fr 7fr; }
.cot-le-7-5 { grid-template-columns: 7fr 5fr; }

.cot-nhan { grid-template-columns: minmax(140px, 232px) 1fr; }
@media (max-width: 860px) {
  .cot-le-5-7, .cot-le-7-5, .cot-nhan { grid-template-columns: 1fr; }
}

.nhan-le { position: sticky; top: calc(var(--cao-header, 72px) + 20px); align-self: start; }
.nhan-le .so { display: block; font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: .1em; color: var(--lua-500); margin-bottom: 10px; }
.nhan-le .ten { display: block; font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .09em; text-transform: uppercase; color: var(--xam); line-height: 1.6;
  border-top: 1px solid var(--vien); padding-top: 10px; }
.section-toi .nhan-le .ten { color: var(--thep-300); border-top-color: rgba(151,175,190,.24); }
.section-toi .nhan-le .so { color: var(--lua-300); }
@media (max-width: 860px) {
  .nhan-le { position: static; display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
  .nhan-le .ten { border-top: 0; padding-top: 0; }
}

.tieu-de-lon { font-family: var(--font-dam); font-size: clamp(28px, 3.6vw, 46px); font-weight: 800;
  letter-spacing: -.028em; line-height: 1.1; margin: 0 0 var(--doc-1); text-wrap: balance; }
.dan-nhap-vua { font-size: 17px; line-height: 1.7; color: var(--xam); margin: 0; max-width: 62ch; }
.section-toi .dan-nhap-vua { color: var(--thep-200); }
.ghi-le { margin-top: var(--doc-2); font-size: 13.5px; line-height: 1.65; color: var(--xam); }
.ghi-le .ico { vertical-align: -.18em; margin-right: 7px; }

.ds-ke { list-style: none; margin: var(--doc-2) 0 0; padding: 0; border-top: 1px solid var(--vien); }
.ds-ke > li { display: grid; grid-template-columns: 46px 1fr auto;
  gap: 4px clamp(14px, 2vw, 28px); align-items: start;
  padding: clamp(18px, 2.4vw, 28px) 0; border-bottom: 1px solid var(--vien); }
.ds-so { font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: .06em;
  color: var(--lua-500); padding-top: 5px; }
.ds-than h3 { font-size: clamp(18px, 2vw, 22px); font-weight: 700; letter-spacing: -.015em;
  margin: 0 0 6px; line-height: 1.28; }
.ds-than p { font-size: 15.5px; line-height: 1.66; color: var(--xam-dam); margin: 0; max-width: 56ch; }
.ds-lam { font: inherit; font-size: 14px; font-weight: 700; color: var(--lua-500);
  background: none; border: 0; padding: 5px 0 0; cursor: pointer; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px; }
.ds-lam .ico { transition: transform var(--t-nho, .2s) var(--e-chot); }
.ds-lam:hover .ico { transform: translateX(3px); }
.ds-lam.mo { color: var(--xam); cursor: default; }
.ds-lam.mo .ico { display: none; }
@media (max-width: 700px) {
  .ds-ke > li { grid-template-columns: 34px 1fr; }
  .ds-lam { grid-column: 2; justify-self: start; padding-top: 10px; }
}

.truc-tg {
  list-style: none; margin: var(--doc-3) 0 0; padding: 0 var(--le) var(--doc-1) 0;
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(214px, 250px);
  gap: 0; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x proximity; scrollbar-width: thin;
}
.truc-tg > li {
  scroll-snap-align: start; position: relative;
  padding: 30px clamp(18px, 2vw, 26px) 22px 0;
  border-top: 2px solid var(--vien);
}

.truc-tg > li::before {
  content: ''; position: absolute; top: -6px; left: 0;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--nen); border: 2px solid var(--lua-500);
}
.truc-tg > li:last-child::before { background: var(--lua-500); }
.tg-so { display: block; font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: .08em; color: var(--lua-500); margin-bottom: 8px; }
.truc-tg b { display: block; font-size: 16px; font-weight: 700; line-height: 1.3;
  letter-spacing: -.01em; margin-bottom: 7px; }
.truc-tg p { font-size: 14px; line-height: 1.6; color: var(--xam); margin: 0 0 12px; }
.tg-ai { display: inline-block; font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase; color: var(--thep-500);
  border: 1px solid var(--vien); border-radius: var(--r-kt); padding: 3px 7px; }
.khoi-qt { padding-block: 0 var(--doc-3);   background: var(--nen); }

.ds-cong-trinh { list-style: none; margin: var(--doc-3) 0 0; padding: 0;
  border-top: 1px solid var(--vien); }
.ds-cong-trinh > li { border-bottom: 1px solid var(--vien); }
.ds-cong-trinh a {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) auto;
  gap: 6px clamp(16px, 2.4vw, 34px); align-items: baseline;
  padding: clamp(17px, 2.2vw, 24px) 0;
  text-decoration: none !important;
  transition: background var(--t-nho, .2s), padding-left var(--t-nho, .2s) var(--e-chot);
}
.ds-cong-trinh a:hover { background: var(--xam-nhat); padding-left: 12px; }
.ct-ten { font-size: clamp(17px, 1.9vw, 21px); font-weight: 700; letter-spacing: -.015em; color: var(--den); }
.ct-mo { font-size: 14.5px; line-height: 1.55; color: var(--xam); }
.ct-cap { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .05em;
  color: var(--thep-500); white-space: nowrap; }
@media (max-width: 720px) {
  .ds-cong-trinh a { grid-template-columns: 1fr; gap: 5px; }
  .ct-cap { justify-self: start; }
}
.khoi-chon { padding-block: var(--doc-3) var(--doc-1);   background: var(--trang); }

.bc-ds { margin: var(--doc-3) 0 0; border-top: 1px solid rgba(151,175,190,.22); }
.bc-ds > div { display: grid; grid-template-columns: minmax(0, 210px) 1fr;
  gap: 6px clamp(16px, 2.4vw, 36px); padding: clamp(15px, 1.9vw, 21px) 0;
  border-bottom: 1px solid rgba(151,175,190,.22); }
.bc-ds dt { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .07em;
  text-transform: uppercase; color: var(--thep-300); padding-top: 3px; }
.bc-ds dd { margin: 0; font-size: 15.5px; line-height: 1.62; color: var(--thep-100); }
.bc-ds dd b { color: var(--den); font-weight: 600; }
.bc-ds dd a { color: var(--lua-600); border-bottom: 1px solid rgba(176,53,0,.34); }
@media (max-width: 720px) { .bc-ds > div { grid-template-columns: 1fr; } }
.khoi-bc { padding-block: var(--doc-1); }

.bang-boc { width: 100%; border-collapse: collapse; margin: var(--doc-3) 0 var(--doc-2); }
.bang-boc caption { text-align: left; color: var(--xam); padding-bottom: 10px; }
.bang-boc th { text-align: left; font-weight: 600; font-size: 15.5px; line-height: 1.4;
  padding: 13px 0; border-bottom: 1px solid var(--vien); color: var(--den); }
.bang-boc th small { display: block; font-weight: 400; font-size: 12.5px; color: var(--xam);
  margin-top: 3px; }
.bang-boc td { text-align: right; white-space: nowrap; padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--vien); font-family: var(--mono); font-size: 15px;
  font-variant-numeric: tabular-nums; }
.bang-boc .bc-tong th, .bang-boc .bc-tong td { border-bottom: 0; border-top: 2px solid var(--den);
  font-size: 17px; font-weight: 700; padding-top: 15px; }
.bc-dieu-kien { list-style: none; margin: 0; padding: 0; }
.bc-dieu-kien li { font-size: 14px; line-height: 1.65; color: var(--xam-dam);
  padding: 9px 0; border-bottom: 1px dashed var(--vien); }
.bc-dieu-kien li:last-child { border-bottom: 0; }
.bc-dieu-kien b { color: var(--den); }
.khoi-boc { padding-block: 0 var(--doc-3);   background: var(--nen); }
.khoi-ct { padding-block: var(--doc-2);   background: var(--trang); }
.lien-trong { font-size: 15.5px; font-weight: 700; color: var(--lua-600);
  border-bottom: 2px solid var(--lua-600); padding-bottom: 2px; }

.hinh-mc { margin: var(--doc-3) 0 0; }
.hinh-mc picture, .hinh-mc img { display: block; width: 100%; }
.hinh-mc img {
  background: #fff;
  height: auto;
  aspect-ratio: 27 / 7;
  object-fit: cover;
  object-position: center top;
}
.hinh-mc figcaption { margin-top: 14px; max-width: 66ch; }
.hinh-mc figcaption b { display: block; font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.hinh-mc figcaption span { display: block; font-size: 13.5px; line-height: 1.6; color: var(--xam); }
.hinh-mc figcaption a { text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 780px) {
  .hinh-mc img { aspect-ratio: 4 / 3; object-position: center bottom; }
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/pccc/assets/fonts/ipm-400-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/pccc/assets/fonts/ipm-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/pccc/assets/fonts/ipm-600-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/pccc/assets/fonts/ipm-600-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-400-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-500-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-500-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-600-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-600-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-700-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-700-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-800-vietnamese.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/pccc/assets/fonts/bvp-800-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "BVP du phong";
  font-weight: 400;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 109.8%;
  ascent-override: 91.1%;
  descent-override: 23.7%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP du phong";
  font-weight: 500;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 110.9%;
  ascent-override: 90.2%;
  descent-override: 23.4%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP du phong";
  font-weight: 600;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 107.1%;
  ascent-override: 93.4%;
  descent-override: 24.3%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP du phong";
  font-weight: 700;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 108.1%;
  ascent-override: 92.5%;
  descent-override: 24.1%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP du phong";
  font-weight: 800;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 109.2%;
  ascent-override: 91.6%;
  descent-override: 23.8%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP dam du phong";
  font-weight: 700;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 108.1%;
  ascent-override: 92.5%;
  descent-override: 24.1%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "BVP dam du phong";
  font-weight: 800 900;
  src: local("Arial"), local("Liberation Sans"), local("Helvetica Neue"), local("Roboto"), local("DejaVu Sans");
  size-adjust: 109.2%;
  ascent-override: 91.6%;
  descent-override: 23.8%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "IPM du phong";
  font-weight: 400;
  src: local("Menlo"), local("Consolas"), local("Liberation Mono"), local("DejaVu Sans Mono"), local("Courier New");
  size-adjust: 99.7%;
  ascent-override: 102.3%;
  descent-override: 27.1%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "IPM du phong";
  font-weight: 500;
  src: local("Menlo"), local("Consolas"), local("Liberation Mono"), local("DejaVu Sans Mono"), local("Courier New");
  size-adjust: 99.7%;
  ascent-override: 102.3%;
  descent-override: 27.1%;
  line-gap-override: 0%;
}

@font-face {
  font-family: "IPM du phong";
  font-weight: 600;
  src: local("Menlo"), local("Consolas"), local("Liberation Mono"), local("DejaVu Sans Mono"), local("Courier New");
  size-adjust: 99.7%;
  ascent-override: 102.3%;
  descent-override: 27.1%;
  line-gap-override: 0%;
}

:root {




  --lua-50:  #fff1e9;
  --lua-100: #ffdcc8;
  --lua-200: #ffb894;
  --lua-300: #ff8a4c;
  --lua-400: #f26522;
  --lua-500: #cc4409;
  --lua-600: #b03500;
  --lua-700: #8f2a00;
  --lua-800: #5c1a00;
  --lua-900: #331000;


  --thep-50:  #eff6fb;
  --thep-100: #dbebf3;
  --thep-200: #b9d6e8;
  --thep-300: #80b3d1;
  --thep-400: #4988ac;
  --thep-500: #236487;
  --thep-600: #0a4963;
  --thep-700: #073042;
  --thep-800: #041b28;
  --thep-900: #020d14;


  --dat-100: #c2f2d8;
  --dat-300: #53bc8d;
  --dat-500: #008a5d;
  --dat-600: #00744c;
  --dat-700: #005a39;



  --do: var(--lua-600);
  --do-nen: var(--lua-500);
  --do-dam: var(--lua-700);
  --cam: var(--lua-400);
  --cam-sang: var(--lua-300);
  --gradient-do: linear-gradient(118deg, var(--lua-600) 0%, var(--lua-500) 62%, #cc3813 100%);


  --den: #12171c;
  --den-2: var(--thep-800);
  --xam-dam: #28323b;
  --xam: #516577;
  --xam-nhat: #eef0f1;
  --nen: #f4f5f7;
  --trang: #ffffff;
  --vang: #b8791a;
  --xanh-ok: var(--dat-600);

  --pt-panel: var(--thep-800);
  --pt-vien: rgba(223, 234, 240, .10);
  --pt-mo: var(--thep-300);
  --vien: #e1e6ec;


  --bong-nhe: 0 1px 2px rgba(7, 27, 38, .06), 0 3px 10px rgba(7, 27, 38, .05);
  --bong: 0 2px 4px rgba(7, 27, 38, .08), 0 10px 24px rgba(7, 27, 38, .08), 0 24px 54px rgba(7, 27, 38, .06);
  --bong-sau: 0 4px 8px rgba(7, 27, 38, .10), 0 20px 44px rgba(7, 27, 38, .12);

  --bo: 14px;
  --font: "Be Vietnam Pro", "BVP du phong", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  --font-dam: "Be Vietnam Pro", "BVP dam du phong", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;


  --canvas: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #ebedf0;
  --toi-canvas: #0b0d10;
  --toi-surface: #12151d;
  --toi-surface-2: #191e28;
  --toi-vien: #283040;
  --toi-chu: #e8eaee;
  --toi-chu-phu: #91a4be;
  --thep-so: #334a6a;
  --thep-so-toi: #6491ba;


  --giay: var(--nen);
  --muc: var(--den);
  --muc-phu: var(--xam);
  --hanh-dong: var(--lua-500);
  --hanh-dong-chu: var(--lua-600);
  --xac-nhan: var(--dat-600);
  --canh-bao-chu: #91650a;
  --canh-bao-nen: #fdf3e3;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--den); background: var(--nen); line-height: 1.65; font-size: 15.5px;
  -webkit-font-smoothing: antialiased; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding-inline: clamp(24px, 3vw, 28px); }

.bo-qua { position: absolute; left: 0; top: 0; z-index: 200; padding: 12px 18px;
  background: var(--do-nen); color: #fff; font-weight: 700; font-size: 15px;
  border-radius: 0 0 10px 0; transform: translateY(-110%); }
.bo-qua:focus-visible { transform: none; outline: 2px solid #fff; outline-offset: -5px; }
#noi-dung:focus { outline: none; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: 0.25s; }
.site-header.cuon { border-bottom-color: var(--vien); box-shadow: var(--bong-nhe); }
.site-header > .l-rong { display: flex; align-items: center; gap: 30px; height: 72px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo .dau { flex: none; color: var(--lua-400);
  transition: transform var(--t-vua) var(--e-cua); }
.logo:hover .dau, .logo:focus-visible .dau { transform: rotate(90deg); }

.logo .chu { font-weight: 700; font-size: 21px; line-height: 1; white-space: nowrap;
  letter-spacing: .17em; color: var(--den); }
.logo .chu b { color: inherit; font-weight: 700; letter-spacing: inherit; }
.site-header .logo .chu { padding-top: 1px; }
.site-footer .logo .chu { color: #fff; }
.nav { display: flex; gap: 26px; margin-left: auto; font-weight: 600; font-size: 15px; align-items: center; }
.nav > a:not(.btn) { position: relative; padding: 4px 0; }
.nav > a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--do); transition: width 0.22s; }
.nav > a:not(.btn):hover::after { width: 100%; }
.hotline-top { font-weight: 700; color: var(--do); white-space: nowrap; font-size: 14.5px; }

.mo-menu { display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--vien);
  border-radius: 11px; background: var(--trang); cursor: pointer; place-items: center; gap: 5px;
  align-content: center; padding: 0; }
.mo-menu span { display: block; width: 18px; height: 2px; background: var(--den); border-radius: 2px;
  transition: transform .22s ease, opacity .18s ease; }
.mo-menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mo-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mo-menu[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mo-menu:focus-visible { outline: 2px solid var(--do); outline-offset: 2px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: var(--r-vua, 12px); font-weight: 700; font-size: 15px;
  border: 1.5px solid transparent; cursor: pointer; text-align: center; font-family: inherit;
  line-height: 1.25; }

.btn-chinh, .btn-do { background: var(--lua-500); color: #fff; border-color: var(--lua-500); }
.btn-chinh:hover, .btn-do:hover { background: var(--lua-600); border-color: var(--lua-600); }
.btn-vien { border-color: var(--vien); color: var(--den); background: var(--trang); }
.btn-vien:hover { border-color: var(--lua-500); color: var(--lua-600); }
.btn-lon { padding: 15px 30px; font-size: 16px; }
.btn[disabled] { opacity: 0.42; cursor: not-allowed; transform: none !important; }

.hero { position: relative; color: var(--den); padding: 72px 0 64px; overflow: hidden;
  background:
    radial-gradient(ellipse 70% 90% at 18% 40%, rgba(200, 52, 14, .16), transparent 60%),
    radial-gradient(90% 120% at -6% 42%, rgba(200, 52, 14, .30) 0%, rgba(170, 35, 0, .10) 34%, transparent 62%),
    linear-gradient(112deg, #0a0e13 0%, var(--thep-900) 34%, var(--thep-800) 72%, #12222e 100%); }

.hero::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, transparent, var(--lua-400) 22%, var(--lua-300) 50%, var(--lua-400) 78%, transparent);
  opacity: .85; z-index: 1; }

.hero-anh { position: absolute; inset: 0 0 0 auto; width: 52%; z-index: 0; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 42%, #000 100%);
  mask-image: linear-gradient(90deg, transparent, #000 42%, #000 100%); }
.hero-anh img, .hero-anh picture { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; opacity: 0.30; filter: saturate(0.82) contrast(1.05); }
@media (max-width: 860px) {
  .hero-anh { width: 100%; opacity: .55;
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 55%);
    mask-image: linear-gradient(180deg, transparent, #000 55%); }
}

.hero .hero-noi { position: relative; z-index: 1; display: grid; grid-template-columns: 1.22fr 0.78fr; gap: 52px; align-items: center; padding-right: clamp(0px, 3vw, 56px); }

.kicker { display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .09em; text-transform: uppercase; color: var(--lua-500); margin-bottom: 18px; }

.section-toi .kicker, .tl-noi .kicker { color: var(--lua-300); }
.hero .kicker { color: var(--lua-600); }

.kicker::before { content: ""; width: 22px; height: 2px; background: currentColor; flex: none; opacity: .8; }

.hero h1 { font-size: clamp(34px, 3.9vw, 54px); line-height: 1.08; margin-bottom: 20px;
  font-weight: 800; letter-spacing: -0.03em; text-wrap: balance; max-width: 24ch; }
@media (max-width: 860px) { .hero h1 { max-width: none; font-size: clamp(32px, 8vw, 46px); } }
.hero h1 em { color: var(--lua-600); font-style: normal; }
.hero p.sub { font-size: 17.5px; color: var(--xam-dam); margin-bottom: 30px; max-width: 560px; line-height: 1.7; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-card { background: rgba(255, 255, 255, 0.055); border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 18px; padding: 26px; backdrop-filter: blur(8px); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35); }
.hero-card h3 { font-size: 16px; margin-bottom: 14px; color: #f3d9c8; font-weight: 700; }
.hero-card ul { list-style: none; }
.hero-card li { padding: 8px 0 8px 32px; position: relative; font-size: 14.5px; color: #ecebe9; line-height: 1.55; }
.hero-card li::before { content: "✓"; position: absolute; left: 2px; top: 7px; width: 20px; height: 20px;
  background: rgba(240, 104, 43, 0.18); color: var(--cam); font-weight: 800; font-size: 12px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.badge { background: rgba(255, 255, 255, 0.09); border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; color: #e8e6e3; }

.stats { background: linear-gradient(180deg, var(--thep-900) 0%, var(--thep-800) 100%);
  color: #fff; padding: 0; border-top: 1px solid rgba(151,175,190,.10);
  border-bottom: 1px solid rgba(151,175,190,.10); }
.stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats .st { padding: 28px 18px; text-align: center; border-left: 1px solid rgba(151,175,190,.13); }
.stats .st:first-child { border-left: none; }
.stats b { display: block; font-size: clamp(26px, 2.6vw, 32px); font-weight: 800;
  letter-spacing: -0.6px; color: #fff; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats b i { font-style: normal; font-size: 0.46em; font-weight: 700; color: var(--thep-300);
  margin-left: 3px; letter-spacing: 0; }
.stats span { display: block; margin-top: 6px; font-size: 13px; color: var(--thep-300); line-height: 1.45; }

.camket { background: var(--trang); padding: 44px 0; border-bottom: 1px solid var(--vien); }
.camket .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.camket .item { display: flex; gap: 14px; align-items: flex-start; }
.camket .ico { flex: none; width: 46px; height: 46px; border-radius: 13px; background: #fdeee9;
  display: flex; align-items: center; justify-content: center; font-size: 22px; }
.camket b { display: block; font-size: 15px; margin-bottom: 2px; }
.camket span { font-size: 13.5px; color: var(--xam); line-height: 1.5; }

.section { padding-block: 76px; }
.section-alt { background: var(--trang); }
.section h2 { font-size: clamp(28px, 3.4vw, 42px); margin-bottom: 10px; font-weight: 800;
  letter-spacing: -0.025em; line-height: 1.14; text-wrap: balance; }
.section .desc { color: var(--xam); margin-bottom: 36px; max-width: 740px; font-size: 16px; }
.group-title { font-size: 21px; margin: 40px 0 18px; padding-left: 14px; border-left: 4px solid var(--do); font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { background: var(--trang); border: 1px solid var(--vien); border-radius: var(--r-vat); overflow: hidden;
  display: flex; flex-direction: column; transition: 0.22s; box-shadow: var(--bong-nhe); }
.card:hover { box-shadow: var(--bong); transform: translateY(-5px); border-color: #d9c9c2; }
.card .thumb { aspect-ratio: 4/3.4; background: #fff; overflow: hidden; position: relative;
  border-bottom: 1px solid var(--xam-nhat); }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.card:hover .thumb img { transform: scale(1.06); }

.card .ei-tag { position: absolute; top: 12px; left: 12px;
  background: rgba(7, 27, 38, .82); color: var(--thep-100);
  border: 1px solid rgba(151, 175, 190, .28); backdrop-filter: blur(4px);}
.card .ei-tag.na { background: var(--xam-dam); box-shadow: none; }
.card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 15.5px; line-height: 1.4; font-weight: 700; }
.card .price { margin-top: auto; font-weight: 800; color: var(--do); font-size: 16.5px; padding-top: 8px; }
.card .price small { color: var(--xam); font-weight: 500; font-size: 12.5px; }

.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; counter-reset: step; }
.step { background: var(--trang); border: 1px solid var(--vien); border-radius: var(--r-vat); padding: 24px 16px 18px;
  position: relative; box-shadow: var(--bong-nhe); transition: 0.2s; }
.step:hover { transform: translateY(-3px); box-shadow: var(--bong); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute;
  top: -16px; left: 16px; padding: 4px 12px; background: var(--gradient-do); color: #fff; border-radius: 999px;
  font-weight: 800; font-size: 13.5px; box-shadow: 0 4px 12px rgba(216, 64, 31, 0.35); }
.step b { display: block; font-size: 14.5px; margin: 6px 0 4px; }
.step span { font-size: 12.5px; color: var(--xam); line-height: 1.5; }

.duan-chips { display: flex; flex-wrap: wrap; gap: 12px; }
.duan-chips .chip { background: var(--trang); border: 1px solid var(--vien); padding: 10px 20px;
  border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--xam-dam); box-shadow: var(--bong-nhe); }

.trust-box { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.trust-box .tb { background: var(--trang); border: 1px solid var(--vien); border-radius: var(--r-vat); padding: 28px;
  box-shadow: var(--bong-nhe); }
.trust-box h3 { margin-bottom: 12px; font-size: 18px; font-weight: 700; }
.trust-box p, .trust-box li { font-size: 14.5px; color: var(--xam-dam); line-height: 1.7; }

.cta-band { background:
    radial-gradient(120% 140% at 12% 0%, rgba(200, 52, 14, .20) 0%, transparent 58%),
    linear-gradient(150deg, var(--thep-800) 0%, var(--thep-900) 100%);
  border: 1px solid rgba(151, 175, 190, .16);
  border-radius: 20px; color: #fff; padding: 46px 50px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  box-shadow: var(--bong-sau); }
.cta-band h3 { font-size: 26px; font-weight: 800; margin-bottom: 6px; letter-spacing: -.3px; }
.cta-band p { color: var(--thep-200); font-size: 15.5px; }
.cta-band .btn { background: var(--gradient-do); color: #fff;
  box-shadow: 0 6px 20px rgba(200, 52, 14, .40); }
.cta-band .btn:hover { box-shadow: 0 10px 28px rgba(200, 52, 14, .52); }

.cfg-wrap { max-width: 900px; margin: 0 auto; }

.cfg-progress { display: flex; gap: 4px; margin: 0 0 8px; list-style: none; padding: 0; }
.cfg-progress .p { flex: 1; border-top: 3px solid var(--vien); padding-top: 7px;
  transition: border-color 0.3s; }
.cfg-progress .p.on { border-top-color: var(--lua-600); }
.cfg-progress .p-ten { display: block; font: 500 10px/1.3 var(--mono);
  letter-spacing: .07em; text-transform: uppercase; color: var(--xam); }
.cfg-progress .p.on .p-ten { color: var(--xam-dam); }
@media (max-width: 700px) { .cfg-progress .p-ten { display: none; } }
.cfg-step-label { text-align: center; font-size: 13.5px; color: var(--xam); margin-bottom: 20px; font-weight: 600;
  letter-spacing: 0.6px; text-transform: uppercase; }
.cfg-panel { background: var(--trang); border: 1px solid var(--vien); border-radius: 18px; padding: 34px;
  box-shadow: var(--bong); }
.cfg-panel h2 { font-size: 23px; margin-bottom: 6px; font-weight: 800; }
.cfg-panel .hint { color: var(--xam); font-size: 14.5px; margin-bottom: 24px; }
.opt-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.opt-card { border: 2px solid var(--vien); border-radius: var(--r-vat); padding: 20px; cursor: pointer; transition: 0.16s; }
.opt-card:hover { border-color: var(--cam); transform: translateY(-2px); }
.opt-card.chon { border-color: var(--do); background: #fdf3f0; box-shadow: 0 6px 18px rgba(216, 64, 31, 0.12); }
.opt-card b { display: block; font-size: 17.5px; }
.opt-card small { color: var(--xam); font-size: 13px; line-height: 1.5; display: block; margin-top: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.field label { display: block; font-weight: 700; font-size: 13.5px; margin-bottom: 7px; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 15px; border: 1.5px solid var(--vien);
  border-radius: 11px; font-size: 15.5px; font-family: inherit; background: #fff; transition: 0.15s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--do);
  box-shadow: 0 0 0 3px rgba(216, 64, 31, 0.12); }
.field .err { color: var(--do); font-size: 13px; margin-top: 4px; min-height: 18px; display: block; }

.loi-truong { color: var(--do); font-size: 13px; font-weight: 600; margin: 5px 0 0; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] {
  border-color: var(--do); background: #fdf6f5; }
.size-note { padding: 12px 16px; border-radius: 11px; font-size: 14px; margin-top: 8px; }
.size-note.ok { background: #e9f6ee; color: var(--xanh-ok); }
.size-note.warn { background: #fdf3e3; color: #91650a; }
.size-note.bad { background: #fdeceb; color: var(--do-dam); }
.qty-row { display: flex; align-items: center; gap: 18px; }
.qty-row button { width: 48px; height: 48px; border-radius: 13px; border: 1.5px solid var(--vien); background: #fff;
  font-size: 22px; font-weight: 700; cursor: pointer; transition: 0.14s; }
.qty-row button:hover { border-color: var(--do); color: var(--do); }
.qty-row input { width: 92px; text-align: center; font-size: 20px; font-weight: 800; padding: 11px;
  border: 1.5px solid var(--vien); border-radius: 13px; font-family: inherit; }
.disc-badges { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.disc-badges .b { border: 1.5px dashed #cfd3db; padding: 7px 15px; border-radius: 999px; font-size: 13.5px; color: var(--xam); }
.disc-badges .b.on { border-color: var(--xanh-ok); border-style: solid; color: var(--xanh-ok); font-weight: 700; background: #e9f6ee; }
.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.swatch { border: 2px solid var(--vien); border-radius: var(--r-vat); padding: 14px 10px; cursor: pointer;
  text-align: center; transition: 0.15s; }
.swatch:hover { transform: translateY(-2px); }
.swatch.chon { border-color: var(--do); background: #fdf3f0; }
.swatch .dot { width: 46px; height: 46px; border-radius: 50%; margin: 0 auto 9px; border: 1px solid rgba(0, 0, 0, 0.14);
  box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.08); }
.swatch small { font-size: 12.5px; line-height: 1.35; display: block; }
.swatch .phu { color: var(--cam); font-weight: 700; font-size: 11.5px; }
.cfg-nav { display: flex; justify-content: space-between; margin-top: 30px; }

.quote-box { border: 1px solid var(--vien); border-radius: var(--r-vat); overflow: hidden; margin-top: 14px; }
.quote-box table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.quote-box th { background: var(--den); color: #fff; font-size: 13px; letter-spacing: 0.4px; }
.quote-box th, .quote-box td { padding: 12px 16px; border-bottom: 1px solid var(--xam-nhat); text-align: left; vertical-align: top; }
.quote-box td.num, .quote-box th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.quote-box tr.tong td { font-weight: 800; font-size: 16.5px; background: #fdf3f0; }
.quote-meta { font-size: 13px; color: var(--xam); margin-top: 14px; line-height: 1.65; }
.canhbao { background: #fdf3e3; border: 1px solid #efce93; color: #7a5405; border-radius: 11px;
  padding: 13px 17px; font-size: 14px; margin: 14px 0; }

.chat-fab { position: fixed; right: 20px; bottom: 20px; z-index: 90;
  min-height: 48px; padding: 0 18px; border: 1.5px solid var(--lua-600);
  border-radius: 999px; background: var(--lua-500); color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; gap: 9px;
  box-shadow: 0 2px 6px rgba(7, 27, 38, .18), 0 10px 24px rgba(7, 27, 38, .16);
  transition: background var(--t-nho, .2s) var(--e-chot), transform var(--t-nhay, .12s) var(--e-chot); }
.chat-fab:hover { background: var(--lua-600); }
.chat-fab:active { transform: translateY(1px); }
.chat-fab:focus-visible { outline: 2px solid var(--lua-600); outline-offset: 3px; }
.chat-fab .ico { width: 19px; height: 19px; margin: 0; flex: none; margin-right: 0; }

.chat-fab > span {
  position: static; transform: none; opacity: 1; pointer-events: auto;
  white-space: nowrap; font-size: 14px; font-weight: 600; background: none;
  color: inherit; padding: 0; border-radius: 0; }

@media (max-width: 620px) {
  .chat-fab { min-height: 44px; padding: 0 15px; right: 14px; bottom: 16px; gap: 7px; }
  .chat-fab .ico { width: 17px; height: 17px; }
  .chat-fab > span { font-size: 13.5px; }
}
@media (max-width: 380px) {

  .chat-fab > span { font-size: 0; }
  .chat-fab > span::after { content: "Tư vấn"; font-size: 13.5px; }
}

.chat-panel { position: fixed; right: 22px; bottom: 86px; z-index: 91; width: 370px; max-width: calc(100vw - 44px);
  background: #fff; border: 1px solid var(--vien); border-radius: 18px; box-shadow: var(--bong); display: none;
  flex-direction: column; overflow: hidden; }
.chat-panel.mo { display: flex; }
.chat-head { background: var(--den); color: #fff; padding: 14px 17px; font-weight: 700; font-size: 14.5px;
  display: flex; justify-content: space-between; }
.chat-head button { background: none; border: none; color: #aaa; font-size: 18px; cursor: pointer; }
.chat-log { height: 330px; overflow-y: auto; padding: 15px; display: flex; flex-direction: column; gap: 10px; background: var(--nen); }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.55; white-space: pre-wrap; }
.msg.bot { background: #fff; border: 1px solid var(--vien); align-self: flex-start; box-shadow: var(--bong-nhe); }
.msg.nguoi { background: var(--gradient-do); color: #fff; align-self: flex-end; }
.chat-input { display: flex; border-top: 1px solid var(--vien); }
.chat-input input { flex: 1; border: none; padding: 14px 15px; font-size: 14.5px; font-family: inherit; }
.chat-input input:focus { outline: none; }
.chat-input button { border: none; background: none; color: var(--do); font-weight: 800; padding: 0 17px; cursor: pointer; font-family: inherit; }
.chat-note { font-size: 11px; color: var(--xam); padding: 7px 15px 11px; background: #fff; }

.sp-layout { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 44px; align-items: start; margin-top: 14px; }
.gallery .main { border: 1px solid var(--vien); border-radius: 16px; overflow: hidden; background: #fff;
  box-shadow: var(--bong-nhe); }

.gallery .mo-lightbox { display: block; width: 100%; padding: 0; border: 0; background: none;
  cursor: zoom-in; font: inherit; }
.gallery .mo-lightbox:focus-visible { outline: 2px solid var(--do); outline-offset: -2px; }
.gallery .main img { width: 100%; aspect-ratio: 4/3.2; object-fit: contain; background: #fff; transition: 0.3s; }
.gallery .thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 9px; margin-top: 11px; }
.gallery .thumbs .thumb-nut { display: block; padding: 0; border: 0; background: none; cursor: pointer; min-width: 0; }
.gallery .thumbs .thumb-nut:focus-visible { outline: 2px solid var(--do); outline-offset: 2px; border-radius: 10px; }
.gallery .thumbs img { aspect-ratio: 1; object-fit: cover; border: 2px solid var(--vien); border-radius: 10px;
  cursor: pointer; background: #fff; transition: 0.14s; }
.gallery .thumbs .thumb-nut:hover img { border-color: var(--cam); }
.gallery .thumbs img.chon { border-color: var(--do); }
.sp-info h1 { font-size: 28px; line-height: 1.28; margin-bottom: 10px; font-weight: 800; letter-spacing: -0.3px; }
.sp-price { font-size: 27px; font-weight: 800; color: var(--do); margin: 10px 0 2px; }
.sp-price small { font-size: 14px; color: var(--xam); font-weight: 500; }
.sp-dacdiem { margin: 18px 0; }
.sp-dacdiem li { padding: 6px 0 6px 30px; position: relative; font-size: 14.5px; list-style: none; }
.sp-dacdiem li::before { content: "✓"; position: absolute; left: 0; top: 8px; width: 20px; height: 20px;
  background: #e9f6ee; color: var(--xanh-ok); font-weight: 800; font-size: 11px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 20px 0; border-radius: 12px;
  overflow: hidden; box-shadow: var(--bong-nhe); }
.spec-table td { border: 1px solid var(--vien); padding: 10px 14px; }
.spec-table td:first-child { background: var(--xam-nhat); font-weight: 700; width: 38%; }
.sp-mota { margin-top: 30px; font-size: 15.5px; color: var(--xam-dam); max-width: 860px; }
.sp-mota p { margin-bottom: 14px; line-height: 1.75; }
.breadcrumb { font-size: 13.5px; color: var(--xam); padding: 18px 0 4px; }
.breadcrumb a:hover { color: var(--do); }

.lightbox { border: 0; padding: 0; background: transparent; overflow: visible;
  max-width: min(94vw, 1100px); max-height: 92vh; cursor: zoom-out; }
.lightbox::backdrop { background: rgba(10, 11, 14, 0.92); }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: 10px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6); cursor: default; }
.lightbox .dong { position: fixed; top: 18px; right: 24px; background: none; border: none; color: #fff;
  font-size: 34px; cursor: pointer; opacity: 0.8; }
.lightbox .dong:focus-visible { outline: 2px solid #fff; outline-offset: 3px; opacity: 1; }

.site-footer { background: var(--den); color: #c9c9cf; margin-top: 70px; padding: 54px 0 28px; font-size: 14px; }
.site-footer .cols { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 36px; margin-bottom: 34px; }
.site-footer h2 { color: #fff; font-size: 15px; line-height: 1.35; margin-bottom: 14px; font-weight: 700; letter-spacing: 0; }
.site-footer a { display: block; padding: 4px 0; transition: 0.14s; }
.site-footer a:hover { color: var(--cam); transform: translateX(3px); }
.site-footer .bot { border-top: 1px solid #2a2d37; padding-top: 20px; font-size: 12.5px; color: #8f9097; line-height: 1.7; }

@media print {
  body * { visibility: hidden; }
  #vungInBaoGia, #vungInBaoGia * { visibility: visible; }
  #vungInBaoGia { position: absolute; inset: 0; padding: 10mm; background: #fff; }
  .no-print { display: none !important; }
}

@media (max-width: 1020px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
}

.opt-card:focus-visible, .swatch:focus-visible, .btn:focus-visible, a:focus-visible {
  outline: 3px solid rgba(216, 64, 31, 0.55); outline-offset: 2px;
}
.chat-input input:focus-visible { box-shadow: inset 0 0 0 2px rgba(216, 64, 31, 0.4); }

@media (max-width: 860px) {
  .hero .hero-noi, .sp-layout, .trust-box { grid-template-columns: 1fr; }
  .hero .hero-noi { padding-right: 0; }
  .hero { padding: 64px 0 56px; }
  .camket .container { grid-template-columns: 1fr 1fr; }
  .stats .container { grid-template-columns: repeat(2, 1fr); }
  .stats .st:nth-child(3) { border-left: none; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .swatches { grid-template-columns: repeat(2, 1fr); }

  .opt-cards { grid-template-columns: 1fr; gap: 10px; }
  .opt-card { padding: 13px 16px; }

  .opt-card b { font-size: 15.5px; white-space: nowrap; font-family: var(--mono);
    letter-spacing: .01em; }
  .opt-card small { margin-top: 3px; }

  .mo-menu { display: grid; }
  .hotline-top { display: none; }
  .nav { position: fixed; inset: 72px 0 auto; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--trang); border-bottom: 1px solid var(--vien);
    box-shadow: var(--bong); padding: 8px 22px 18px; margin: 0;
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .2s ease, transform .2s ease, visibility .2s; }
  .nav.mo { transform: none; opacity: 1; visibility: visible; }
  .nav > a { padding: 14px 4px; border-bottom: 1px solid var(--vien); font-size: 16px; }
  .nav > a:not(.btn)::after { display: none; }
  .nav > a.btn { margin-top: 14px; border-bottom: 0; }
  .field-row { grid-template-columns: 1fr; }
  .cta-band { padding: 34px 26px; }
  .cfg-panel { padding: 24px 18px; }
}
@media (max-width: 600px) {
  .hotline-top { display: none; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 24px; }
  .site-footer { word-break: break-word; overflow-wrap: anywhere; }
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }


  .chat-panel { right: 10px; bottom: calc(74px + env(safe-area-inset-bottom)); }
}

.loc-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 18px; }
.loc-chip { border: 1.5px solid var(--vien); background: var(--trang); color: var(--xam-dam);
  padding: 9px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: 0.15s; }
.loc-chip:hover { border-color: var(--do); color: var(--do); }
.loc-chip.on { background: var(--gradient-do); border-color: transparent; color: #fff;
  box-shadow: 0 4px 12px rgba(216, 64, 31, 0.28); }
.card.an, .group-title.an, .grid.an { display: none; }

.hero-ai { background: var(--thep-900); border: 1px solid rgba(151, 175, 190, .22);
  border-radius: var(--r-vua, 12px); padding: 24px; }
.hero-ai-top { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; color: var(--cam); margin-bottom: 18px; }

.cham { width: 7px; height: 7px; border-radius: 50%; background: var(--dat-300); flex: none;
  box-shadow: 0 0 0 3px rgba(53, 179, 148, .18); }
.hero-ai-nhan { display: block; font-size: 12.5px; font-weight: 600; color: #b9b6b2;
  margin: 0 0 8px; letter-spacing: .3px; }
.hero-ai-ei { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 16px; }
.he-chip { border: 1.5px solid rgba(255,255,255,.22); background: rgba(255,255,255,.05); color: #f0eeec;
  border-radius: 11px; padding: 11px 0; font-weight: 700; font-size: 14.5px; cursor: pointer;
  font-family: inherit; transition: .16s; }
.he-chip:hover { border-color: var(--cam); }
.he-chip.on { background: var(--gradient-do); border-color: transparent; color: #fff;
  box-shadow: 0 5px 16px rgba(216,64,31,.4); }
.hero-ai-kt { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.hero-ai-kt input { width: 100%; min-width: 0; background: rgba(255,255,255,.07);
  border: 1.5px solid rgba(255,255,255,.2); color: #fff; border-radius: 11px;
  padding: 11px 12px; font-size: 15px; font-family: inherit; text-align: center; }
.hero-ai-kt input:focus { outline: none; border-color: var(--cam); background: rgba(255,255,255,.12); }
.hero-ai-kt span { color: #9d9a97; font-size: 15px; flex: none; }
.hero-ai-kt .dv { font-size: 13px; }
.hero-ai-kq { background: rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.1);
  border-radius: 13px; padding: 14px 16px; margin-bottom: 14px; }
.hero-ai-kq .nhan { display: block; font-size: 12px; color: #a5a2a0; letter-spacing: .4px; }
.hero-ai-kq b { display: block; font-family: var(--mono); font-size: 30px; font-weight: 600;
  letter-spacing: -.03em; color: #ffb98d; font-variant-numeric: tabular-nums;
  min-height: 36px; transition: opacity .2s; }
.hero-ai-kq small { color: #93908d; font-size: 12px; }
.hero-ai-cn { font-size: 11.5px; color: #8d8a87; margin-top: 10px; text-align: center; line-height: 1.5; }
@media (max-width: 860px) { .hero-ai { padding: 20px; } }

.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ai-the { background: var(--trang); border: 1px solid var(--vien); border-radius: 18px; padding: 28px 26px;
  box-shadow: var(--bong-nhe); position: relative; overflow: hidden; transition: .25s; }
.ai-the::after { content: ""; position: absolute; inset: 0; border-radius: 18px; padding: 1.5px;
  background: var(--gradient-do); opacity: 0; transition: opacity .25s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.ai-the:hover { transform: translateY(-5px); box-shadow: var(--bong); }
.ai-the:hover::after { opacity: 1; }
.ai-ico { width: 54px; height: 54px; border-radius: 15px; background: #fdeee9; display: flex;
  align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px; }
.ai-the h3 { font-size: 18px; font-weight: 800; margin-bottom: 9px; }
.ai-the p { font-size: 14.5px; color: var(--xam); line-height: 1.65; margin-bottom: 14px; }
.ai-lien { font-weight: 700; font-size: 14.5px; color: var(--do); background: none; border: none;
  padding: 0; cursor: pointer; font-family: inherit; }
.ai-lien:hover { text-decoration: underline; }
.ai-lien.mo { color: var(--xam); cursor: default; }
.ai-cn { margin-top: 26px; font-size: 14px; color: var(--xam-dam); background: #fdf7f5;
  border: 1px dashed #e8c4b8; border-radius: 12px; padding: 14px 18px; }
@media (max-width: 860px) { .ai-grid { grid-template-columns: 1fr; gap: 16px; } }

.section > .container { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .nhiet-lop { display: none; } }

.thu-lua { position: relative; height: 340vh; background: #07090d; }

.tl-stage { position: sticky; top: 0; height: 100svh; overflow: hidden;
  display: grid; place-items: end center; padding-bottom: clamp(18px, 4vh, 46px); }
.tl-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.tl-noi { position: relative; z-index: 2; width: min(860px, calc(100vw - 40px)); padding: 26px 34px 22px;
  overflow: hidden;
  text-align: center; color: #fff; border-radius: 26px;
  background: radial-gradient(ellipse 118% 128% at 50% 46%, rgba(6,9,13,.94) 0%, rgba(6,9,13,.86) 52%, rgba(6,9,13,.30) 88%, transparent 100%);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); }
.tl-noi .kicker { color: #ffb894; }

.tl-noi h2 { font-size: clamp(22px, 2.7vw, 33px); font-weight: 800; letter-spacing: -.5px;
  line-height: 1.24; margin: 10px 0 20px; text-wrap: balance; text-shadow: 0 2px 30px rgba(0,0,0,.55); }
.tl-noi h2 em { font-style: normal; color: #ffb98d; display: inline-block;
  font-variant-numeric: tabular-nums; }
.tl-dongho { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 18px; }
.tl-o { background: rgba(10,12,17,.72); border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px; padding: 11px 8px; backdrop-filter: blur(8px); }
.tl-o span { display: block; font-size: 11.5px; letter-spacing: .4px; color: #b6bac3; }
.tl-o b { font-size: clamp(19px, 2.4vw, 26px); font-weight: 800; font-variant-numeric: tabular-nums; }
.tl-o.nong b { color: #ffa661; } .tl-o.mat b { color: #6fd3e8; }
.tl-moc { display: flex; gap: 8px; justify-content: center; }
.tl-moc i { font-style: normal; font-size: 12.5px; font-weight: 700; letter-spacing: .6px;
  padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.22);
  background: rgba(10,12,17,.6); color: #a8acb6; transition: color .35s, border-color .35s, background .35s, transform .35s; }

.tl-moc i.dat { color: #fff; border-color: var(--dat-500); background: var(--dat-600);
  transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0, 116, 76, .38); }
.tl-cn { font-size: 11.5px; color: #7e828c; margin-top: 16px; line-height: 1.55; }

.tl-nhac { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--thep-400); }
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .tl-nhac { animation: aero-mo-dan 1ms linear both;
      animation-timeline: view(block); animation-range: entry 0% entry 40%; }
  }
}
@keyframes aero-mo-dan { from { opacity: 1 } to { opacity: 0 } }

@media (max-width: 860px) { .thu-lua { height: 150vh; } .tl-nhac { display: none; } }
@media (prefers-reduced-motion: reduce) {
  .thu-lua { height: auto; } .tl-stage { position: static; height: 72svh; }
  .tl-nhac { display: none; }
}

.trang-dai { max-width: 820px; margin: 0 auto; }
.trang-dai > section { margin: 42px 0; }
.trang-dai h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: -0.6px;
  font-weight: 800; margin-bottom: 14px; }
.trang-dai h2 { font-size: clamp(21px, 2.4vw, 27px); line-height: 1.3; letter-spacing: -0.3px;
  font-weight: 700; margin: 0 0 14px; scroll-margin-top: 90px; }
.trang-dai p { font-size: 17px; line-height: 1.75; color: var(--xam-dam); margin: 0 0 15px; }
.trang-dai li { font-size: 16.5px; line-height: 1.7; color: var(--xam-dam); }

.trang-dai a:not(.btn):not(.card):not(.kt-card):not(.lq-item) {
  color: var(--do); text-decoration: underline; text-underline-offset: 3px;
  text-decoration-thickness: 1px; text-decoration-color: rgba(216, 64, 31, 0.35); }
.trang-dai a:not(.btn):not(.card):not(.kt-card):not(.lq-item):hover { text-decoration-color: var(--do); }
.trang-dai .card h3, .trang-dai .card .price { color: var(--den); text-decoration: none; }
.trang-dai .card .price { color: var(--do); }
.dan-nhap { font-size: 18.5px !important; line-height: 1.7 !important; color: var(--xam) !important; }

.nav a.dang-o { color: var(--do); }
.breadcrumb .bc-sep { margin: 0 2px; color: var(--vien); }
.breadcrumb [aria-current] { color: var(--xam-dam); font-weight: 600; }

.bang-kt { width: 100%; border-collapse: collapse; font-size: 15px; margin: 18px 0;
  background: var(--trang); border: 1px solid var(--vien); border-radius: 12px; overflow: hidden; }
.bang-kt th, .bang-kt td { padding: 11px 14px; border-bottom: 1px solid var(--vien); text-align: left;
  vertical-align: top; line-height: 1.55; }
.bang-kt thead th { background: var(--xam-nhat); font-weight: 700; font-size: 13.5px;
  letter-spacing: 0.02em; color: var(--xam-dam); }
.bang-kt tbody tr:last-child td { border-bottom: 0; }
.bang-kt tbody tr:hover { background: #fbfbfd; }
.bang-kt small { color: var(--xam); font-size: 12.5px; }
.bang-gia td:not(:first-child) { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.bang-gia th:not(:first-child) { text-align: right; }
.bang-kt .dong-tong td { background: #fff4f0; border-top: 2px solid var(--do); font-size: 16px; }
.bang-kt .lien-he { color: var(--xam); font-weight: 500; font-size: 13.5px; }
.ghi-chu-bang { font-size: 13.5px !important; line-height: 1.6 !important; color: var(--xam) !important; }

.trang-dai section { overflow-x: auto; }

.co-cuon { box-shadow: inset -30px 0 22px -22px rgba(10, 21, 29, .30); transition: box-shadow .25s; }
.goi-cuon { font-family: var(--mono); font-size: 11.5px !important; color: var(--xam) !important;
  letter-spacing: .04em; margin: 0 0 6px !important; }
.goi-cuon.an { display: none; }
@media (min-width: 781px) { .goi-cuon { display: none; } }

.ds-tick, .ds-so, .quy-trinh-so { margin: 14px 0; padding-left: 0; list-style: none; }
.ds-tick li { position: relative; padding: 0 0 10px 30px; }
.ds-tick li::before { content: "✓"; position: absolute; left: 4px; top: 1px; color: var(--xanh-ok);
  font-weight: 800; font-size: 15px; }
.ds-so, .quy-trinh-so { counter-reset: n; }
.ds-so li, .quy-trinh-so li { position: relative; padding: 0 0 12px 38px; counter-increment: n; }
.ds-so li::before, .quy-trinh-so li::before { content: counter(n); position: absolute; left: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 50%; background: var(--gradient-do); color: #fff;
  font-size: 13px; font-weight: 700; display: grid; place-items: center; }

.nhan-manh { background: #fff8f5; border-left: 3px solid var(--cam); padding: 14px 18px;
  border-radius: 0 10px 10px 0; margin: 20px 0 !important; }
.ghi-chu-luat { background: var(--xam-nhat); border-radius: 12px; padding: 16px 20px; margin: 32px 0;
  font-size: 14.5px; line-height: 1.7; color: var(--xam); }
.ghi-chu-luat b { color: var(--xam-dam); }

.faq { margin: 44px 0; }
.faq-list { border: 1px solid var(--vien); border-radius: 14px; overflow: hidden; background: var(--trang); }
.faq-item { border-bottom: 1px solid var(--vien); }
.faq-item:last-child { border-bottom: 0; }
.faq-item summary { cursor: pointer; padding: 17px 46px 17px 20px; font-weight: 600; font-size: 16.5px;
  line-height: 1.5; position: relative; list-style: none; color: var(--den); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; position: absolute; right: 20px; top: 24px; width: 9px; height: 9px;
  border-right: 2px solid var(--xam); border-bottom: 2px solid var(--xam); transform: rotate(45deg);
  transition: transform 0.22s ease; }
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item[open] summary { color: var(--do); }
.faq-item summary:hover { background: #fbfbfd; }
.faq-dap { padding: 0 20px 18px; font-size: 16px; line-height: 1.75; color: var(--xam-dam); }

.hop-cta-som { display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap; background: var(--trang); border: 1px solid var(--vien); border-radius: var(--r-vat);
  padding: 18px 22px; margin: 26px 0; box-shadow: var(--bong-nhe); }
.hop-cta-som small { color: var(--xam); font-size: 14px; }
.hop-cta-cuoi { background: var(--den); color: #fff; border-radius: 18px; padding: 34px 30px;
  margin: 46px 0 10px; text-align: center; }

.hop-cta-cuoi h2 { color: #fff; margin: 0 0 8px; }
.hop-cta-cuoi p { color: rgba(255, 255, 255, 0.72) !important; margin: 0 0 16px; }
.hop-cta-cuoi .btn { margin: 0 5px 6px; }
.hop-cta-cuoi .btn-vien { color: #fff; border-color: rgba(255, 255, 255, 0.3); }
.hop-cta-cuoi .btn-vien:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.sp-noidung { max-width: 820px; margin: 46px auto 0; }
.sp-noidung > section { margin: 40px 0; overflow-x: auto; }
.sp-noidung h2 { font-size: clamp(20px, 2.3vw, 26px); font-weight: 700; letter-spacing: -0.3px;
  margin: 0 0 14px; scroll-margin-top: 90px; }
.sp-noidung p, .sp-noidung li { font-size: 16.5px; line-height: 1.72; color: var(--xam-dam); }
.sp-noidung a:not(.btn):not(.lq-item) { color: var(--do); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-color: rgba(216, 64, 31, 0.35); }
.sp-noidung .btn { margin: 4px 6px 4px 0; }

.lq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(216px, 1fr)); gap: 12px; margin-top: 16px; }
.lq-item { display: flex; flex-direction: column; gap: 6px; padding: 15px 17px; background: var(--trang);
  border: 1px solid var(--vien); border-radius: 12px; text-decoration: none !important;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease; }
.lq-item:hover { border-color: var(--do); transform: translateY(-2px); box-shadow: var(--bong-nhe); }
.lq-ten { font-weight: 600; font-size: 14.5px; line-height: 1.45; color: var(--den); }
.lq-gia { font-size: 13px; color: var(--do); font-weight: 700; }

.kt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin: 30px 0; }
.kt-card { display: flex; flex-direction: column; background: var(--trang); border: 1px solid var(--vien);
  border-radius: 16px; padding: 24px 22px; text-decoration: none !important;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease; }
.kt-card:hover { border-color: var(--do); transform: translateY(-3px); box-shadow: var(--bong); }
.kt-card h2 { font-size: 18.5px !important; line-height: 1.4; margin: 10px 0 !important; color: var(--den); }
.kt-card p { font-size: 14.5px !important; line-height: 1.6 !important; color: var(--xam) !important;
  flex: 1; margin-bottom: 14px !important; }

.kt-doc { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--lua-500); }
.kt-doc-tiep { font-size: 14px; font-weight: 700; color: var(--do); }

.bv-meta { font-size: 13.5px; color: var(--xam); margin-bottom: 26px; }
.bv-tomtat { background: #fff8f5; border: 1px solid #f6d9cc; border-radius: 14px; padding: 20px 24px; margin: 26px 0; }
.bv-tomtat > b { display: block; font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--do); margin-bottom: 10px; }
.bv-tomtat ul { margin: 0; padding-left: 20px; }
.bv-tomtat li { font-size: 15.5px; line-height: 1.65; margin-bottom: 8px; }
.bv-tomtat li:last-child { margin-bottom: 0; }
.bv-mucluc { background: var(--trang); border: 1px solid var(--vien); border-radius: 14px;
  padding: 18px 24px; margin: 26px 0; }
.bv-mucluc > b { display: block; font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--xam); margin-bottom: 10px; }
.bv-mucluc ol { margin: 0; padding-left: 20px; }
.bv-mucluc li { font-size: 15px; line-height: 1.6; margin-bottom: 6px; }
.bai-viet code { background: var(--xam-nhat); padding: 2px 7px; border-radius: 6px;
  font-size: 14.5px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }

.tv-buoc { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 28px 0; }
.tv-b { background: var(--trang); border: 1px solid var(--vien); border-radius: 14px; padding: 22px 20px; }
.tv-b span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--gradient-do); color: #fff; font-weight: 800; font-size: 14px; margin-bottom: 12px; }
.tv-b b { display: block; font-size: 16px; margin-bottom: 6px; }
.tv-b p { font-size: 14.5px !important; line-height: 1.6 !important; color: var(--xam) !important; margin: 0 !important; }

@media (max-width: 640px) {
  .trang-dai p, .sp-noidung p { font-size: 16px; }
  .bang-kt { font-size: 14px; }
  .bang-kt th, .bang-kt td { padding: 9px 11px; }
  .hop-cta-som { flex-direction: column; align-items: stretch; text-align: center; }
  .hop-cta-cuoi { padding: 28px 20px; }
}

.gallery .main picture { display: block; }
.gallery .thumbs picture { display: block; aspect-ratio: 1; min-width: 0; overflow: hidden;
  border: 2px solid var(--vien); border-radius: 10px; cursor: pointer; transition: border-color .2s; }
.gallery .thumbs picture:hover { border-color: var(--cam); }
.gallery .thumbs picture:has(img.chon) { border-color: var(--do); }
.gallery .thumbs picture img { width: 100%; height: 100%; aspect-ratio: auto;
  object-fit: cover; border: 0; border-radius: 0; }

.trang-dai .grid { margin: 20px 0 30px; }
.dem-sp { font-size: 13px; font-weight: 600; color: var(--xam); letter-spacing: 0; }
.trang-dai h2 > a { text-decoration: none !important; color: inherit; }
.trang-dai h2 > a:hover { color: var(--do); }
.gia-tk { display: block; font-size: 12px; font-weight: 600; color: var(--xam); letter-spacing: .02em; }

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .card .thumb picture, .card .thumb img {
      animation: aero-xen-mo 1ms linear both;
      animation-timeline: view();
      animation-range: entry 18% cover 44%;
    }
  }
}
@keyframes aero-xen-mo {
  from { clip-path: inset(0 0 100% 0); }
  to   { clip-path: inset(0 0 0 0); }
}

.hero-gia { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 22px;
  margin: 0 0 26px; padding: 14px 18px; border-radius: 12px;
  background: rgba(7, 27, 38, .42); border: 1px solid rgba(151, 175, 190, .18);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); max-width: 560px; }
.hero-gia span { font-size: 15px; color: var(--xam-dam); white-space: nowrap; }
.hero-gia span b:first-child { color: var(--lua-600); font-weight: 700; letter-spacing: .02em; }
.hero-gia span b:last-child { color: var(--den); font-size: 17px; font-weight: 600;
  font-family: var(--mono); letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.hero-gia i { flex-basis: 100%; font-style: normal; font-size: 12.5px; color: var(--xam); line-height: 1.5; }
@media (max-width: 640px) { .hero-gia span { white-space: normal; } }

.tl-doi { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  gap: clamp(14px, 3vw, 38px); margin: 4px 0 18px; }
.tl-ben { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.tl-nong { text-align: right; align-items: flex-end; }
.tl-mat { text-align: left; align-items: flex-start; }
.tl-nong .nhan-kt { color: var(--lua-200); }
.tl-mat .nhan-kt { color: var(--thep-300); }
.tl-nong .nhan-kt b { font-weight: 600; color: #fff; }

.tl-doi .so-hien { font-size: clamp(34px, 5.6vw, 82px); color: #ffb98d;
  text-shadow: 0 2px 40px rgba(200, 52, 14, .45); }
.tl-doi .so-mat { font-size: clamp(26px, 4vw, 58px); color: #7fe3c4;
  text-shadow: 0 2px 34px rgba(0, 138, 93, .35); }

.tl-vach { width: 3px; align-self: stretch; min-height: 74px; border-radius: 2px;
  background: linear-gradient(180deg, transparent, var(--lua-300) 16%, #cfd6dc 50%, var(--dat-300) 84%, transparent); }

.tl-bo-qua { display: inline-block; margin-top: 14px; font-family: var(--mono);
  font-size: 11px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--thep-300); border-bottom: 1px solid rgba(151,175,190,.3); padding-bottom: 2px; }
.tl-bo-qua:hover { color: #fff; border-bottom-color: #fff; }

@media (max-width: 640px) {
  .tl-doi { grid-template-columns: 1fr; gap: 10px; }
  .tl-nong, .tl-mat { text-align: center; align-items: center; }
  .tl-vach { width: 100%; height: 3px; min-height: 0; align-self: center;
    background: linear-gradient(90deg, transparent, var(--lua-300) 16%, #cfd6dc 50%, var(--dat-300) 84%, transparent); }
}

.ico { flex: none; display: inline-block; vertical-align: -0.16em; }
.btn .ico { vertical-align: -0.18em; margin-right: 8px; }
.btn > span { vertical-align: baseline; }
.badge .ico { margin-right: 7px; opacity: .82; }

.ai-ico, .camket .ico-o {
  display: grid; place-items: center; width: 46px; height: 46px;
  border-radius: var(--bo-du-lieu, 3px);
  border: 1.5px solid var(--vien); background: var(--trang);
  color: var(--lua-500);
}
.camket .ico-o { width: 42px; height: 42px; border-color: rgba(151,175,190,.28);
  background: rgba(7,27,38,.04); }

.section-toi {
  background: linear-gradient(180deg, var(--thep-900) 0%, var(--thep-800) 100%);
  color: #fff;
  border-top: 1px solid rgba(151, 175, 190, .10);
  border-bottom: 1px solid rgba(151, 175, 190, .10);
}
.section-toi h2, .section-toi h3, .section-toi b { color: #fff; }
.section-toi .desc, .section-toi p { color: var(--thep-200); }
.section-toi .kicker { color: var(--lua-300); }
.section-toi .item, .section-toi .step {
  background: rgba(255, 255, 255, .035);
  border-color: rgba(151, 175, 190, .16);
}
.section-toi .item span, .section-toi .step span { color: var(--thep-300); }
.section-toi .ico-o { border-color: rgba(151, 175, 190, .26); background: rgba(255, 255, 255, .05);
  color: var(--lua-300); }

h1, h2, h3, .stats b, .so-hien, .btn, .logo .chu, .cta-band h3, .tl-noi h2 { font-family: var(--font-dam); }
.so-hien, .stats b { font-family: var(--mono); }
.hotline-top .ico { margin-right: 6px; opacity: .85; }
.canhbao .ico { vertical-align: -0.2em; margin-right: 4px; }

.loc-lead { border: 1px solid var(--vien); border-radius: var(--bo-the, 14px);
  padding: 18px 20px 20px; margin: 0 0 22px; background: var(--trang); }
.loc-lead legend { font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; color: var(--xam);
  padding: 0 8px; }
.nhan-nhom { display: block; font-size: 13.5px; font-weight: 600; color: var(--xam-dam); margin-bottom: 9px; }
.chip-chon { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-o { font: inherit; font-size: 14px; padding: 9px 15px; border-radius: 999px;
  border: 1.5px solid var(--vien); background: var(--trang); color: var(--xam-dam);
  cursor: pointer; min-height: 40px;
  transition: border-color var(--t-nho, .2s), background var(--t-nho, .2s), color var(--t-nho, .2s); }
.chip-o:hover { border-color: var(--lua-400); color: var(--lua-600); }
.chip-o[aria-checked="true"] { border-color: var(--lua-500); background: var(--lua-500); color: #fff; font-weight: 600; }
.chip-o:focus-visible { outline: 2px solid var(--lua-500); outline-offset: 2px; }
.giai-thich { display: block; margin-top: 6px; font-size: 12.5px; line-height: 1.5; color: var(--xam); }
.tuy-chon { font-style: normal; font-weight: 400; font-size: 12.5px; color: var(--xam); }
@media (max-width: 640px) { .chip-o { min-height: 44px; padding: 11px 16px; } }

.kich-ban { display: grid; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 14px; margin: 24px 0 12px; }
.kb-the { display: flex; flex-direction: column; gap: 7px; padding: 20px 20px 18px;
  background: var(--trang); border: 1px solid var(--vien); border-radius: var(--bo-the, 14px);
  text-decoration: none !important;
  transition: border-color var(--t-vua,.3s) var(--e-cua), transform var(--t-vua,.3s) var(--e-cua),
              box-shadow var(--t-vua,.3s) var(--e-cua); }
.kb-the:hover { border-color: var(--lua-500); transform: translateY(-2px); box-shadow: var(--bong-nhe); }
.kb-the .nhan-kt { color: var(--xam); }
.kb-gia { font-family: var(--mono); font-size: clamp(30px, 3.6vw, 40px); font-weight: 600;
  line-height: 1; letter-spacing: -.03em; color: var(--lua-500); font-variant-numeric: tabular-nums; }
.kb-gia i { font-style: normal; font-size: .38em; font-weight: 500; color: var(--xam); margin-left: 4px; }
.kb-mo { font-size: 13.5px; line-height: 1.5; color: var(--xam-dam); }
.kb-lam { margin-top: 4px; font-size: 13px; font-weight: 700; color: var(--lua-500); }

.cta-day { display: none; }
@media (max-width: 860px) {

  .cta-day {
    display: grid; grid-template-columns: 1fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 88;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--vien);
  }
  .cta-day .btn { padding: 13px 16px; font-size: 15px; min-height: 48px; }
  .co-cta-day { padding-bottom: 84px; }

  .co-cta-day ~ .chat-fab {
    bottom: calc(var(--cao-thanh-day, 80px) + 14px + env(safe-area-inset-bottom, 0px));
  }
}

.hero-nguon { font-size: 13.5px; line-height: 1.6; color: var(--thep-300); margin: 0 0 18px;
  max-width: 52ch; }
.hero-nguon b { color: #fff; font-weight: 600; }
.hero-tin { margin: 16px 0 0; font-size: 13px; color: var(--xam); }
.lien-phu { align-self: center; font-size: 15px; font-weight: 600; color: var(--xam-dam);
  border-bottom: 1px solid rgba(255, 255, 255, .32); padding-bottom: 2px; }
.lien-phu:hover { color: var(--lua-600); border-bottom-color: var(--lua-500); }

.mo-phong { margin: var(--nhip-4, 72px) 0; }
.mp-cn { background: var(--xam-nhat); border-left: 3px solid var(--lua-500);
  border-radius: 0 var(--r-vua, 12px) var(--r-vua, 12px) 0;
  padding: 18px 22px; margin: 0 0 var(--nhip-2, 40px); }
.mp-cn p { font-size: 14.5px !important; line-height: 1.68 !important; margin: 0 0 10px !important; }
.mp-cn p:last-child { margin: 0 !important; }
.mp-nguon { font-family: var(--mono); font-size: 11.5px !important; color: var(--xam) !important;
  line-height: 1.6 !important; border-top: 1px solid var(--vien); padding-top: 10px; }
.mo-phong .thu-lua { border-radius: var(--r-lon, 20px); overflow: hidden; }

#eiCards { min-height: 137px; }
#swatches { min-height: 104px; }
@media (max-width: 700px) {
  #eiCards { min-height: 405px; }
  #swatches { min-height: 176px; }
}

.so { text-align: right; white-space: nowrap; }

.van-ban { max-width: 860px; }
.van-ban h2 { margin: 26px 0 10px; font-size: 21px; }

.trang-rong { max-width: 1160px; }

.cach-tren-2 { margin-top: var(--doc-2); }
.cach-tren-14 { margin-top: 14px; }
.cach-tren-8 { margin-top: 8px; }
.rong-het { width: 100%; }
.dam { font-weight: 700; }
.td-vua { font-size: 20px; }
.vach-nhe { margin: 26px 0; border: none; border-top: 1px solid var(--vien); }

.sp-ma { font-size: 13.5px; color: var(--xam); }
.khoi-chon-chot { margin-top: var(--doc-2); }

.field-cach { margin-top: 14px; }
.field-cach-duoi { margin-bottom: 16px; }
.cfg-nav-cuoi { margin-top: 18px; }
.opt-cards-doi { grid-template-columns: 1fr 1fr; margin-bottom: 18px; }
.size-note-lon { font-size: 16px; padding: 18px; }
.nhan-tep { cursor: pointer; }
.ghi-nho { font-size: 12.5px; color: var(--xam); margin-top: 8px; }
.ghi-nho-10 { margin-top: 10px; }
.ai-anh-vung { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--vien); }

.cfg-step { display: none; }
.cfg-step[data-step="1"] { display: block; }
#duAnNote, #duAnNote5, #datXong, #aiAnhFile { display: none; }

.trang-404 { text-align: center; max-width: 640px; }
.e404-so { font-size: 80px; font-weight: 800; line-height: 1; color: var(--do-dam); }
.e404-td { font-size: 26px; margin: 10px 0; }
.e404-dan { color: var(--xam); margin-bottom: 26px; }
.e404-nut { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.e404-lh { margin-top: 26px; font-size: 14px; color: var(--xam); }

.ft-sx { margin-top: 10px; font-size: 13px; }
.ft-lh { font-size: 13.5px; }

.dt-dau { display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; flex-wrap: wrap; }
.dt-ten { font-size: 22px; font-weight: 800; }
.dt-do { color: var(--do); }
.dt-meta { font-size: 13.5px; color: var(--xam); }
.dt-cty { text-align: right; font-size: 13.5px; }
.quote-box small { color: var(--xam); }
.cach-tren-10 { margin-top: 10px; }
.chat-phu { opacity: .7; font-weight: 400; }

.dong-ds { margin-top: 14px; border: 1px solid var(--vien); border-radius: var(--r-vat);
  padding: 16px 18px; background: #fff; }
.dong-ds-td { display: block; font-size: 14px; margin-bottom: 10px; }
.dong-ds ul { list-style: none; margin: 0; padding: 0; }
.dong-ds li { display: grid; grid-template-columns: 1fr auto 28px; gap: 12px;
  align-items: center; padding: 9px 0; border-bottom: 1px solid var(--xam-nhat); }
.dong-tom { font-size: 14px; }
.dong-tien { font-size: 14px; font-weight: 700; white-space: nowrap;
  font-variant-numeric: tabular-nums; }
.dong-xoa { width: 26px; height: 26px; padding: 0; line-height: 1; cursor: pointer;
  border: 1px solid var(--vien); border-radius: 6px; background: #fff; color: var(--xam);
  font-size: 13px; }
.dong-xoa:hover, .dong-xoa:focus-visible { border-color: var(--do); color: var(--do); }
.dong-tong-cong { display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; padding-top: 12px; font-size: 15px; }
.dong-tong-cong b { font-size: 18px; font-variant-numeric: tabular-nums; }
.dong-ds .ghi-nho { margin-top: 8px; }
@media (max-width: 560px) {
  .dong-ds li { grid-template-columns: 1fr 28px; }
  .dong-tien { grid-column: 1; }
}

.sp-tron-bo { border: 1px solid var(--vien); border-left: 3px solid var(--hanh-dong);
  background: var(--trang); padding: 14px 18px; margin: 14px 0 6px;
  border-radius: var(--bo-du-lieu, 3px); }
.sp-tron-bo .nhan-kt { color: var(--muc-phu); display: block; margin-bottom: 4px; }
.sp-tron-bo-gia { display: block; font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 24px; font-weight: 700; color: var(--muc); letter-spacing: -.01em; }
.sp-tron-bo small { display: block; margin-top: 6px; color: var(--muc-phu);
  font-size: 12.5px; line-height: 1.55; font-weight: 400; }
.sp-price.sp-price-phu { font-size: 15px; font-weight: 600; color: var(--xam-dam); margin: 6px 0 2px; }
.sp-price.sp-price-phu small { font-size: 12.5px; }

.dt-tong-nhanh { display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; border: 1px solid var(--vien);
  border-left: 3px solid var(--hanh-dong); background: var(--trang);
  padding: 12px 16px; margin-bottom: 14px; border-radius: var(--bo-du-lieu, 3px); }
.dt-tong-nhanh span { font: 500 11px/1.4 var(--mono); text-transform: uppercase;
  letter-spacing: .07em; color: var(--muc-phu); }
.dt-tong-nhanh b { font-family: var(--mono); font-variant-numeric: tabular-nums;
  font-size: 22px; color: var(--muc); }

.cfg-aside-meta { margin-top: 12px; color: var(--muc-phu); font-size: 10px;
  line-height: 1.7; letter-spacing: .06em; }

.dong-hoan-tac { display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  background: var(--xam-nhat); color: var(--xam-dam); }
.dong-hoan-tac-nut { border: 0; background: none; color: var(--do); font-weight: 700;
  cursor: pointer; text-decoration: underline; font-size: 14px; padding: 2px 4px;
  font-family: inherit; }
.dong-hoan-tac-nut:focus-visible { outline: 2px solid var(--do); outline-offset: 2px; }

.bv-hinh { margin: 26px 0; border: 1px solid var(--vien); border-radius: var(--bo-du-lieu, 3px);
  background: var(--trang); padding: 18px 18px 14px; }
.bv-hinh figcaption { margin-top: 10px; font-size: 13px; color: var(--muc-phu); line-height: 1.6; }

.sd-ve .sd-tuong { stroke: var(--mc-vien); stroke-width: 2.4; }
.sd-ve .sd-canh { stroke: var(--mc-dim); stroke-width: 3; }
.sd-ve .sd-cung { stroke: var(--mc-dim); stroke-width: 1; fill: none;
  stroke-dasharray: 4 3; opacity: .7; }
.sd-ve .sd-bac line { stroke: var(--mc-thep); stroke-width: 2; }
.sd-ve .sd-thoat line, .sd-ve .sd-thoat path { stroke: var(--dat-600); stroke-width: 2.4; fill: none; }

.btn, .chip-o, .he-chip, .loc-chip, .opt-card, .swatch, .thumb-nut, .mo-lightbox,
.dong-xoa, .mo-menu { touch-action: manipulation; }
@media (max-width: 700px) {
  .field input, .field textarea, .hero-ai-kt input, .qty-row input { font-size: 16px; }
}

.anh-minh-hoa { margin-top: 10px; padding: 9px 12px; border-left: 3px solid var(--canh-bao-chu);
  background: var(--canh-bao-nen); color: var(--canh-bao-chu);
  font-size: 12.5px; line-height: 1.55; border-radius: 0 3px 3px 0; }
.anh-minh-hoa b { font-weight: 700; }
.card .thumb .tag-minh-hoa { position: absolute; right: 8px; bottom: 8px; z-index: 2;
  padding: 3px 8px; border-radius: 3px; background: rgba(18, 23, 28, .78); color: #fff;
  font: 600 10px/1.4 var(--mono); letter-spacing: .05em; text-transform: uppercase; }

.site-header { background: rgba(252, 253, 253, .94); }
.site-header > .l-rong { height: 68px; gap: clamp(14px, 1.7vw, 24px); }
.nav { gap: clamp(14px, 1.8vw, 24px); font-size: 14px; }
.nav .btn { padding: 11px 18px; border-radius: 8px; }
.hotline-top { display: inline-flex; align-items: center; gap: 4px; padding-left: 18px;
  border-left: 1px solid var(--vien); color: var(--thep-700); font-size: 13px; }
@media (max-width: 1180px) { .hotline-top { display: none; } }

.hero { padding: clamp(52px, 5.5vw, 76px) 0 clamp(48px, 5vw, 68px);
  background: var(--nen); isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;

  background-image:
    linear-gradient(rgba(18,23,28,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,23,28,.045) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  -webkit-mask-image: linear-gradient(100deg, transparent 42%, #000 78%);
  mask-image: linear-gradient(100deg, transparent 42%, #000 78%); }

.hero::after { content: none; }

.hero-anh { width: clamp(240px, 23vw, 340px); right: clamp(324px, 26vw, 416px); opacity: 1;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 22%, #000 100%); }
.hero-anh::before { content: ""; position: absolute; inset: 0 0 0 12%;

  background:
    linear-gradient(158deg, #e6e8ea 0%, #d2d6d9 46%, #b9bec2 100%);
  border-left: 1px solid rgba(18,23,28,.10); }

.hero-anh img, .hero-anh picture { position: relative; opacity: 1;
  mix-blend-mode: multiply;
  filter: contrast(1.1) saturate(.9); }

.hero .hero-noi { grid-template-columns:
    minmax(0, 1fr) clamp(240px, 23vw, 340px) minmax(300px, 380px);
  gap: clamp(24px, 2.4vw, 36px); padding-right: 0; align-items: center; }
.hero .hero-noi > div:first-child { grid-column: 1; }
.hero .hero-noi > .hero-ai { grid-column: 3; }

.hero-nguon { font-family: inherit; text-transform: none; letter-spacing: 0;
  font-size: 13.5px; line-height: 1.55; color: var(--xam); padding-left: 14px;
  border-left: 2px solid var(--lua-400); max-width: 46ch; }
.hero-nguon b { color: var(--xam-dam); font-weight: 600; }
.hero h1 { font-size: clamp(32px, 3.1vw, 44px); max-width: 17ch; line-height: 1.08;
  margin-bottom: 14px; letter-spacing: -.02em; color: var(--den); }
.hero p.sub { max-width: 50ch; color: var(--xam-dam); font-size: 16px; line-height: 1.62;
  margin-bottom: 22px; }
.hero-gia { border-radius: 0; border-width: 1px 0; border-style: solid; border-color: var(--vien);
  background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none;
  padding: 14px 0; max-width: 560px; color: var(--xam-dam);
  display: block; }
.hero-gia b { color: var(--den); }
.hero-gia i { color: var(--xam); }
.hero .cta-row { align-items: center; gap: 16px 22px; }
.hero .btn-lon { border-radius: 6px; min-height: 52px; }
.hero-tin { color: var(--xam); }
.hero-tin::before { content: "✓"; color: var(--dat-600); margin-right: 7px; font-weight: 700; }

.hero-ai { position: relative; border-radius: 4px; padding: 0; overflow: hidden;
  background: var(--den); border: 1px solid rgba(18,23,28,.14);
  box-shadow: 0 1px 2px rgba(18,23,28,.06), 0 18px 44px rgba(18,23,28,.14); }

.hero-ai-top { margin: 0; display: flex; align-items: center; gap: 8px; min-height: 34px;
  padding: 0 16px; border-bottom: 1px solid var(--pt-vien);
  font: 600 10px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--thep-100); }
.hero-ai-top .cham { width: 6px; height: 6px; border-radius: 1px;
  background: var(--dat-300); border: 1px solid var(--dat-700); animation: none; }
.hero-ai-tem { margin-left: auto; font-weight: 400; color: var(--pt-mo); letter-spacing: .07em; }

.hero-ve { background: #050c11; border-bottom: 1px solid var(--pt-vien); padding: 6px 4px 2px; }
.hero-ve-svg { display: block; width: 100%; height: auto; max-height: 168px; }
.hero-ve-svg .ve-khung rect, .hero-ve-svg .ve-khung line { fill: none; stroke: var(--thep-200); stroke-width: 1.4; }
.hero-ve-svg #veBao { stroke: var(--thep-500); stroke-width: 1; opacity: .55; }
.hero-ve-svg #veEi { fill: var(--pt-mo); font: 600 10px var(--mono); letter-spacing: .08em;
  text-anchor: middle; dominant-baseline: middle;
  paint-order: stroke; stroke: #050c11; stroke-width: 6px; }
.hero-ve-svg .ve-dim line { stroke: var(--thep-400); stroke-width: 1; opacity: .8; }
.hero-ve-svg .ve-dim line[id^="veExt"] { opacity: .45; }
.hero-ve-svg .ve-dim path { stroke: var(--thep-300); stroke-width: 1; fill: none; }
.hero-ve-svg .ve-dim text { fill: var(--thep-100); font: 600 11px var(--mono);
  font-variant-numeric: tabular-nums; text-anchor: middle;
  paint-order: stroke; stroke: #050c11; stroke-width: 4px; }
.hero-ve-svg #veSoC { text-anchor: start; }
.hero-ve-svg .ve-dim .dv { font-size: 8.5px; fill: var(--pt-mo); }
.hero-ai > label, .hero-ai > .hero-ai-ei, .hero-ai > .hero-ai-kt,
.hero-ai > .hero-ai-kq, .hero-ai > .btn, .hero-ai > .hero-he-thong { margin-left: 16px; margin-right: 16px; }

.hero-ai-nhan { font: 600 10px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--pt-mo); margin-top: 12px; margin-bottom: 5px; }

.goc-ke { position: relative; }
.goc-ke::before, .goc-ke::after { content: ""; position: absolute; inset: -5px; pointer-events: none;
  background-repeat: no-repeat;
  background-image:
    linear-gradient(var(--ke-mau, rgba(151,175,190,.5)) 0 0), linear-gradient(var(--ke-mau, rgba(151,175,190,.5)) 0 0),
    linear-gradient(var(--ke-mau, rgba(151,175,190,.5)) 0 0), linear-gradient(var(--ke-mau, rgba(151,175,190,.5)) 0 0);
  background-size: 8px 1px, 1px 8px, 8px 1px, 1px 8px; }
.goc-ke::before { background-position: left top, left top, right top, right top; }
.goc-ke::after { background-position: left bottom, left bottom, right bottom, right bottom; }
.hero-ai-ei { gap: 0; }
.he-chip { border-radius: 0; border-right-width: 0; background: transparent; }
.he-chip:last-child { border-right-width: 1.5px; }
.he-chip.on { background: var(--lua-600); border-color: var(--lua-600); box-shadow: none; }
.hero-ai-kt input { border-radius: 3px; background: rgba(255,255,255,.045); font-family: var(--mono); }
.hero-ai-kq { border-radius: 0; border-left: 3px solid var(--lua-400); background: #050c11;
  padding: 12px 14px; }
.hero-ai-kq b { font-size: clamp(25px, 2.1vw, 30px); color: #fff;
  font-variant-numeric: tabular-nums; }
.hero-ai-kq small { font-family: var(--mono); font-size: 10.5px; letter-spacing: .02em; }
.hero-ai > .btn { width: calc(100% - 40px) !important; border-radius: 3px; margin-bottom: 18px; }
.hero-he-thong { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 14px;
  border-top: 1px solid rgba(151,175,190,.18); padding-top: 10px; font-size: 10.5px; }
.hero-he-thong span { padding: 12px 10px 0 0; font: 400 9.5px/1.55 var(--mono); color: var(--thep-400); }
.hero-he-thong span + span { border-left: 1px solid rgba(151,175,190,.18); padding-left: 12px; }
.hero-he-thong b { display: block; color: var(--thep-200); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }

.khoi-bg { padding-block: clamp(72px, 7vw, 104px); background: #fff; }
.khoi-bg .cot-nhan { grid-template-columns: minmax(150px, 210px) 1fr; }
.bc-ds { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0;
  margin-top: clamp(48px, 5vw, 72px); }
.bc-ds > div { display: block; padding: 22px 28px 24px 0; min-height: 154px; }
.bc-ds > div:nth-child(even) { padding-left: 28px; border-left: 1px solid rgba(151,175,190,.22);
  border-left-color: var(--vien); }
.bc-ds dt { margin-bottom: 9px; color: var(--lua-600); }
.bc-ds dd { font-size: 14.5px; color: var(--xam-dam); }

.khoi-chon { padding-block: clamp(84px, 8vw, 116px); background: #f7f8f8; }
.ds-cong-trinh { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px;
  margin-top: clamp(52px, 6vw, 80px); border: 0; }

.ds-cong-trinh > li { grid-column: span 3; border: 0; }
@media (max-width: 1100px) { .ds-cong-trinh > li { grid-column: span 6; } }
@media (max-width: 640px)  { .ds-cong-trinh > li { grid-column: span 12; } }

.ds-cong-trinh a { position: relative; display: flex; flex-direction: column;
  height: 100%; padding: 0; overflow: hidden; background: #fff;
  border: 1px solid var(--thep-200); border-top: 3px solid var(--lua-500);
  box-shadow: 0 1px 2px rgba(35, 100, 135, .06), 0 6px 16px rgba(35, 100, 135, .07);
  transition: transform var(--t-vua) var(--e-cua), border-color var(--t-vua) var(--e-cua),
              box-shadow var(--t-vua) var(--e-cua); }
.ds-cong-trinh a:hover { transform: translateY(-3px); border-color: var(--thep-400);
  box-shadow: 0 2px 4px rgba(35, 100, 135, .08), 0 14px 30px rgba(35, 100, 135, .14); }
.ds-cong-trinh a::after { content: "↗"; position: absolute; right: 16px; top: 14px; z-index: 2;
  width: 26px; height: 26px; display: grid; place-items: center; border-radius: 3px;
  background: rgba(18, 23, 28, .55); font: 400 15px/1 var(--mono); color: #fff; }
.ds-cong-trinh .ct-anh { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #e8eaec; }
.ds-cong-trinh .ct-anh img { width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform var(--t-lon) var(--e-cua); }
.ds-cong-trinh a:hover .ct-anh img { transform: scale(1.03); }
.ds-cong-trinh .ct-chu { display: flex; flex-direction: column; align-items: flex-start;
  flex: 1; padding: 18px 20px 20px; }
.ct-ten { font-size: clamp(18px, 1.8vw, 24px); }
.ct-mo { margin-top: 8px; max-width: 42ch; }

.ct-cap { margin-top: auto; padding: 5px 10px; align-self: flex-start;
  background: var(--thep-50); border: 1px solid var(--thep-200); border-radius: 3px;
  color: var(--thep-700); font-family: var(--mono); font-size: 11.5px;
  letter-spacing: .03em; }
.ds-cong-trinh .ct-chu > .ct-cap { margin-top: 16px; }

.khoi-chon-chot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  border-top: 1px solid var(--vien); padding-top: 22px; }
.khoi-chon-chot .ghi-le { margin: 0; }

.khoi-boc { --bc-nen: var(--thep-50); --bc-chu: var(--xam-dam);
  --bc-chu-phu: var(--thep-600); --bc-vien: var(--thep-200);
  padding-block: clamp(88px, 8vw, 120px); background: var(--bc-nen); color: var(--bc-chu); }
.khoi-boc .bang-boc { background: #fff; margin-top: 52px;
  border: 1px solid var(--bc-vien); box-shadow: 12px 14px 0 rgba(35, 100, 135, .10); }

.khoi-boc .bang-boc caption { background: var(--thep-700); color: var(--thep-100); padding: 12px 18px;
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: .07em; text-transform: uppercase; text-align: left; }
.khoi-boc .bang-boc th { padding-left: 18px; font-weight: 600; }
.khoi-boc .bang-boc td { padding-right: 18px; font-family: var(--mono);
  font-variant-numeric: tabular-nums; white-space: nowrap; }
.khoi-boc .bang-boc td .dv { font-size: .82em; color: var(--thep-500); }
.bang-boc small.dv { font-size: .82em; color: var(--thep-500); }

.khoi-boc .bc-tong th, .khoi-boc .bc-tong td { background: none; color: var(--den);
  font-weight: 800; border-top: 1.5px solid var(--thep-700); border-bottom: 0; font-size: 16px; }
.khoi-boc .bc-tong td { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.bc-dieu-kien { margin-top: 28px; }
.hinh-mc { border-top: 1px solid var(--thep-200); padding-top: 22px; }

.mc-ve { display: block; width: 100%; height: auto;
  --mc-vien: #33566b; --mc-thep: #a7bac4; --mc-loi: #b98f45; --mc-mgo: #efe6d0;
  --mc-nhan: #47606f; --mc-dim: #c0492a; }
.mc-ve .mc-vien-net rect { stroke: var(--mc-vien); stroke-width: 1.2; }
.mc-ve .mc-thep-net path, .mc-ve .mc-thep-net rect { fill: var(--mc-thep); stroke: var(--mc-vien); stroke-width: 1.4; }
.mc-ve .mc-canh-vien { fill: none; stroke: var(--mc-vien); stroke-width: 2; }
.mc-ve .mc-vai line { stroke: var(--mc-vien); stroke-width: 1; stroke-dasharray: 5 4; opacity: .55; }
.mc-ve .mc-mgo { fill: var(--mc-mgo); stroke: var(--mc-vien); stroke-width: .8; }
.mc-ve .mc-gioang { fill: var(--mc-dim); opacity: .85; }
.mc-ve .mc-khop { fill: none; stroke: var(--mc-vien); stroke-width: 1.6; }
.mc-ve .mc-dan { fill: none; stroke: var(--mc-nhan); stroke-width: 1; opacity: .6; }
.mc-ve .mc-nhan { font: 500 12.5px/1 var(--mono); fill: var(--mc-nhan); letter-spacing: .01em; }
.mc-ve .mc-dim line, .mc-ve .mc-dim path { stroke: var(--mc-dim); stroke-width: 1; fill: none; }
.mc-ve .mc-so { font: 600 11px/1 var(--mono); fill: var(--mc-dim); }
.pt-mau .mc-ve { --mc-vien: #b8cdd9; --mc-thep: #3d5c70; --mc-loi: #9c8149; --mc-mgo: #3d3a2e;
  --mc-nhan: #93aab8; --mc-dim: #e2542f;
  background: #0c1922; border: 1px solid var(--pt-vien); padding: 8px; box-sizing: border-box; }

.hinh-mc .mc-nho { display: none; }
@media (max-width: 780px) {
  .hinh-mc .mc-lon { display: none; }
  .hinh-mc .mc-nho { display: block; max-width: 480px; margin-inline: auto; }
}

.khoi-ct { padding-block: clamp(88px, 9vw, 132px); background: #fff; }
.dau-ra { display: grid; grid-template-columns: minmax(280px, .78fr) minmax(0, 1.35fr);
  gap: clamp(48px, 7vw, 100px); align-items: start; }
.dau-ra-mo { position: sticky; top: 100px; }
.dau-ra-mo .nhan-kt { color: var(--lua-500); }
.dau-ra-mo .tieu-de-lon { margin-top: 15px; }
.dau-ra-mo .lien-trong { display: inline-block; margin-top: 30px; }

.dau-ra-anh { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dau-ra-anh figure { margin: 0; }
.dau-ra-anh img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block;
  border: 1px solid var(--vien); background: #e8eaec; }
.dau-ra-anh figcaption { padding-top: 10px; font-size: 13.5px; line-height: 1.55; }
.dau-ra-anh figcaption b { display: block; color: var(--den); }
.dau-ra-anh figcaption span { color: var(--xam); }
@media (max-width: 900px) { .dau-ra-anh { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .dau-ra-anh { grid-template-columns: 1fr; } }

.dau-ra-ds { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--den); }
.dau-ra-ds li { display: grid; grid-template-columns: 112px minmax(190px, .72fr) 1fr;
  gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--vien); align-items: start; }
.dau-ra-ds span { font: 600 10px/1.5 var(--mono); letter-spacing: .07em; color: var(--lua-500); }
.dau-ra-ds b { font-size: 17px; line-height: 1.45; }
.dau-ra-ds p { font-size: 14px; line-height: 1.65; color: var(--xam); }
.dau-ra-chot { margin-top: 46px; padding-top: 16px; border-top: 1px solid var(--vien); }

.khoi-qt { padding-block: clamp(72px, 7vw, 104px); background: #f4f6f7; }
.truc-tg { margin-top: 64px; padding-right: 0; grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-flow: row; grid-auto-columns: auto; overflow-x: visible; }
.truc-tg > li { background: transparent; padding-right: 28px; }
.tg-ai { border: 0; border-left: 2px solid var(--thep-400); padding-left: 8px; }
.khoi-cta { padding-block: 84px; background: #f4f6f7; }
.cta-band { border-radius: 4px; box-shadow: 14px 16px 0 rgba(7,27,38,.09); }
.cta-band .btn { border-radius: 4px; }
.cta-band .ket-phien { display: block; margin-top: 10px; font: 400 10.5px/1.6 var(--mono);
  letter-spacing: .07em; text-transform: uppercase; color: var(--thep-300); }

:is(a, button, input, select, summary, [tabindex]):focus-visible {
  outline: 1px dashed var(--thep-500); outline-offset: 3px; box-shadow: none; }
.section-toi :is(a, button, input, select):focus-visible,
.khoi-phien :is(a, button, input, select):focus-visible {
  outline-color: var(--thep-300); }

.cfg-wrap { max-width: 1160px; }
.cfg-masthead { max-width: 780px; margin: 8px 0 36px; }
.cfg-masthead .nhan-kt { color: var(--thep-500); }
.cfg-masthead h1 { font-size: clamp(34px, 4vw, 52px); line-height: 1.08; letter-spacing: -.035em; margin: 12px 0; }
.cfg-masthead p { color: var(--xam); font-size: 16px; }

.cfg-step-label { text-align: left; margin: 12px 0 24px; font-family: var(--mono); font-size: 10px; }
.cfg-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 34px; align-items: start; }
.cfg-aside { position: sticky; top: 96px; border-top: 2px solid var(--thep-700); padding-top: 18px; }
.cfg-aside ul { list-style: none; margin: 18px 0 24px; padding: 0; }
.cfg-aside li { padding: 9px 0 9px 18px; border-bottom: 1px solid var(--vien); color: var(--xam-dam);
  font-size: 13px; position: relative; }
.cfg-aside li::before { content: "+"; position: absolute; left: 0; color: var(--lua-500); font-family: var(--mono); }
.cfg-aside-note { padding: 16px; background: var(--thep-800); color: #fff; }
.cfg-aside-note b, .cfg-aside-note span { display: block; }
.cfg-aside-note b { font: 600 10px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .07em; color: var(--lua-200); margin-bottom: 7px; }
.cfg-aside-note span { font-size: 12.5px; line-height: 1.55; color: var(--thep-200); }

.cfg-panel { border-radius: 3px; box-shadow: var(--bong-1); padding: clamp(26px, 3.2vw, 40px); }
.cfg-panel h2 { font-size: clamp(22px, 2.4vw, 29px); }
.cfg-panel .hint a { color: var(--lua-600); text-decoration: underline; text-underline-offset: 3px; }
.opt-card, .swatch { border-radius: 3px; box-shadow: none; }
.opt-card:hover, .swatch:hover { transform: none; border-color: var(--thep-500); }
.opt-card.chon, .swatch.chon { border-color: var(--lua-600); background: #fff5f0; box-shadow: inset 0 0 0 1px var(--lua-600); }
.field input, .field select, .field textarea { border-radius: 3px; }
.cfg-nav .btn { border-radius: 3px; }

.sp-layout { gap: 0; padding: 0; border-top: 1px solid var(--vien); }
.gallery { padding: 34px 44px 0 0; }
.gallery .main { border-radius: 3px; box-shadow: none; }
.gallery .thumbs img { border-radius: 3px;
  background: linear-gradient(155deg, #e6e8ea 0%, #d3d7da 100%);
  mix-blend-mode: multiply; object-fit: contain; padding: 5px;
  border-color: rgba(18,23,28,.14); }
.sp-info { padding: 38px 0 38px 44px; border-left: 1px solid var(--vien); position: sticky; top: 92px; }
.sp-info h1 { font-size: clamp(28px, 3vw, 40px); line-height: 1.15; }
.sp-price { font-family: var(--mono); font-size: clamp(27px, 3vw, 36px); margin: 22px 0 8px; }
.sp-info > .btn { width: 100%; border-radius: 3px; margin-top: 6px; }
.sp-noidung { max-width: 900px; }

.catalog-hub > section { margin: clamp(64px, 7vw, 96px) 0; padding-top: 30px;
  border-top: 1px solid var(--den); overflow: visible; }
.catalog-hub > section > h2 { display: flex; align-items: baseline; justify-content: space-between;
  gap: 18px; }
.trang-dai .grid { gap: 12px; }
.card { border-radius: 3px; box-shadow: none; border-color: #d7dfe3; }
.card:hover { transform: translateY(-2px); border-color: var(--thep-500); box-shadow: var(--bong-nhe); }
.card .thumb { background: linear-gradient(158deg, #e8eaec 0%, #d6dadd 100%);
  border-bottom-color: rgba(18,23,28,.10); }
.card .thumb picture, .card .thumb img { animation: none !important; clip-path: none !important; }
.card .thumb img { object-fit: contain; padding: 14px; mix-blend-mode: multiply; }
.card:hover .thumb img { transform: scale(1.025); }
.card .body { border-top: 3px solid var(--thep-700); }
.card h2, .card h3 { font-size: 15px !important; line-height: 1.45 !important; margin: 0 !important;
  color: var(--den) !important; letter-spacing: -.01em !important; }
.card .price { font-family: var(--mono); font-size: 15px; }
.hop-cta-som { border-radius: 3px; box-shadow: none; background: var(--thep-800); color: #fff;
  border-color: var(--thep-800); padding: 24px 28px; margin-top: 34px; }
.hop-cta-som .nhan-kt { color: var(--lua-200); }
.hop-cta-som small { color: var(--thep-200); }
.hop-cta-som .btn { border-radius: 3px; }

@media (max-width: 1020px) {
  .ds-cong-trinh > li { grid-column: span 6; }
  .truc-tg { grid-template-columns: none; grid-auto-flow: column;
    overflow-x: auto; grid-auto-columns: minmax(220px, 250px); }
  .cfg-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 860px) {
  .hero { min-height: 0; padding-top: 56px; }
  .hero::after { left: calc(var(--le) - 12px); }

  .hero .hero-noi { grid-template-columns: 1fr; gap: 44px; }
  .hero .hero-noi > div:first-child,
  .hero .hero-noi > .hero-ai { grid-column: auto; }
  .hero-anh { width: 100%; right: 0; opacity: .58; }
  .hero h1 { font-size: clamp(38px, 11vw, 54px); }
  .bc-ds { grid-template-columns: 1fr; }
  .khoi-bg .cot-nhan { grid-template-columns: 1fr; }
  .bc-ds > div:nth-child(even) { padding-left: 0; border-left: 0; }
  .dau-ra { grid-template-columns: 1fr; }
  .dau-ra-mo { position: static; }
  .dau-ra-ds li { grid-template-columns: 90px 1fr; }
  .dau-ra-ds p { grid-column: 2; }
  .cfg-layout { grid-template-columns: 1fr; }
  .cfg-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
    border-top-width: 1px; padding: 16px 0 22px; }
  .cfg-aside > .nhan-kt { grid-column: 1 / -1; }
  .cfg-aside ul { margin: 0; }
  .sp-layout { border-top: 0; }
  .gallery { padding: 0; }
  .sp-info { position: static; border-left: 0; border-top: 1px solid var(--vien); padding: 28px 0 0; margin-top: 26px; }
}

@media (max-width: 620px) {
  .hero { padding-bottom: 48px; }
  .hero h1 { max-width: 12ch; }
  .hero-ai { box-shadow: 8px 10px 0 rgba(2,8,12,.22); }
  .hero-he-thong { grid-template-columns: 1fr; }
  .hero-he-thong span + span { border-left: 0; padding-left: 0; }
  .ds-cong-trinh { grid-template-columns: 1fr; }
  .ds-cong-trinh > li { grid-column: auto; }
  .ds-cong-trinh a { min-height: 170px; padding: 24px 20px; }
  .ds-cong-trinh a:hover { padding-left: 20px; }
  .dau-ra-ds li { grid-template-columns: 1fr; gap: 8px; }
  .dau-ra-ds p { grid-column: 1; }
  .cfg-page { padding-top: 36px; }
  .cfg-masthead { margin-bottom: 26px; }
  .cfg-aside { display: none; }
  .cfg-panel { box-shadow: 6px 7px 0 rgba(65,98,118,.08); }
}

.khoi-phien { background: var(--thep-900); padding-block: clamp(84px, 9vw, 128px); }
.khoi-phien .pt-dau-trang { max-width: 720px; }
.pt-nhan { font: 600 11px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--pt-mo); margin: 0 0 14px; }
.khoi-phien .tieu-de-lon { color: #fff; }
.khoi-phien .dan-nhap-vua { color: var(--thep-200); font-variant-numeric: tabular-nums; }

.pt-noi { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(20px, 2.5vw, 36px); align-items: start; }
@media (max-width: 900px) { .pt-noi { grid-template-columns: 1fr; } }

.pt-mau { margin: 0; --ke-mau: rgba(151, 175, 190, .35); }
.pt-mau-nhan { font: 600 10px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--pt-mo); margin: 0 0 10px; }
.pt-mau-anh { width: 100%; height: auto; background: #fff; border: 1px solid var(--pt-vien); }
.pt-mau figcaption { margin-top: 10px; font-size: 12.5px; line-height: 1.6; color: var(--pt-mo); }

.pt-hinh { margin: 0; position: relative; --ke-mau: rgba(151, 175, 190, .35);
  background: rgba(5, 12, 17, .55); border: 1px solid var(--pt-vien); padding: 18px 16px 12px; }
.pt-svg-lon, .pt-svg-nho { display: block; width: 100%; height: auto; }
.pt-svg-nho { display: none; }
@media (max-width: 640px) {

  .pt-svg-lon { display: none; }
  .pt-svg-nho { display: block; }
}
.pt-luoi line { stroke: var(--thep-300); stroke-opacity: .08; stroke-width: 1; }
.pt-luoi text, .truc-nhan { fill: var(--thep-400); font: 400 10px var(--mono); }
.pt-luoi .truc-y { text-anchor: end; }
.pt-luoi .truc-x { text-anchor: middle; }
.truc-nhan { letter-spacing: .08em; }
.truc-nhan.cuoi { text-anchor: end; }
.pt-duong { stroke: var(--lua-400); stroke-width: 2; fill: none; }
.pt-moc line.giong { stroke: var(--thep-300); stroke-width: 1; stroke-dasharray: 3 2; stroke-opacity: .35; }
.pt-moc circle { fill: var(--lua-300); }
.pt-moc text { fill: var(--pt-mo); font: 600 11px var(--mono); letter-spacing: .05em;
  text-anchor: middle; font-variant-numeric: tabular-nums;
  paint-order: stroke; stroke: #071018; stroke-width: 5px; }
.pt-moc.chinh circle { fill: var(--dat-300); }
.pt-moc.chinh text { fill: var(--dat-300); }
.pt-svg-nho .pt-moc text { font-size: 13px; }

.pt-tinh { margin: 14px 2px 0; font-size: 14.5px; line-height: 1.65; color: var(--thep-200);
  font-variant-numeric: tabular-nums; }
.pt-dau { display: inline-block; margin: 12px 2px 0; padding: 5px 12px;
  border: 1px solid var(--dat-500, #1c9a6c); border-radius: var(--r-kt);
  color: var(--dat-300); font: 600 11px/1.4 var(--mono); letter-spacing: .08em;
  text-transform: uppercase; }
.pt-nguon { margin: 14px 2px 4px; font-size: 12px; line-height: 1.6; color: var(--pt-mo); }
.pt-nguon b { color: var(--thep-200); }

.cfg-tt { margin-top: 22px; border-top: 1px solid var(--vien); padding-top: 16px; }
.cfg-tt[hidden] { display: none; }
.cfg-tt dl { margin: 12px 0 14px; display: grid; gap: 0; }
.cfg-tt dl > div { display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--vien); }
.cfg-tt dt { font: 600 10px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase;
  color: var(--thep-500); }
.cfg-tt dd { margin: 0; font-family: var(--mono); font-size: 13px; font-weight: 600;
  font-variant-numeric: tabular-nums; color: var(--den); text-align: right; }
.cfg-tt-sua { background: none; border: 0; padding: 0; font: inherit; font-size: 12.5px;
  color: var(--thep-600); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.cfg-tt-sua:hover { color: var(--dat-600); }

.cfg-tt-day { display: none; }
@media (max-width: 900px) {
  .cfg-tt-day:not([hidden]) {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;

    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    margin: 0;
    padding: 11px var(--le) calc(11px + env(safe-area-inset-bottom, 0px));
    background: var(--thep-900); color: #fff; border-top: 1px solid rgba(223,234,240,.14);
  }
  .cfg-tt-day .tt-cau { font: 600 12px/1.4 var(--mono); letter-spacing: .04em;
    color: var(--thep-200); }
  .cfg-tt-day .tt-gia { font-family: var(--mono); font-size: 15px; font-weight: 700;
    font-variant-numeric: tabular-nums; white-space: nowrap; }
}

@media (max-width: 900px) { body { padding-bottom: calc(var(--cao-thanh-day, 0px) + 14px); } }

.chat-fab { bottom: calc(20px + var(--cao-thanh-day, 0px) + env(safe-area-inset-bottom, 0px)); }
.chat-panel { bottom: calc(84px + var(--cao-thanh-day, 0px)); }

.gallery .thumbs img.chon { border-color: var(--lua-500); mix-blend-mode: normal;
  background: #fff; }
.gallery .thumbs img:hover { border-color: var(--lua-400); }

.gallery .anh-chinh, .gallery > figure, .gallery .khung-anh {
  background: linear-gradient(158deg, #eaecee 0%, #d8dcdf 62%, #c4c9cd 100%); }

.khoi-bg .nhan-le .ten { color: var(--den); }
.bc-ds dd b, .khoi-bg b { color: var(--den); }
.khoi-bg p, .khoi-bg .dan-nhap-vua { color: var(--xam-dam); }
.khoi-bg .tieu-de-lon { color: var(--den); }

.tg-so { color: var(--lua-600); }

.hero-ve-svg text { fill: var(--thep-100); }

.bg-ngat { margin: clamp(48px, 5vw, 72px) 0; border: 0;
  border-top: 1px solid var(--vien); }
.khoi-bg .dau-ra { margin-top: 0; }

.qt-cta { margin-top: clamp(44px, 4.5vw, 64px); }
@media (max-width: 780px) { .bg-ngat { margin: 40px 0; } }

.hero-gia .hg-chinh { display: block; font-size: clamp(17px, 1.6vw, 21px); color: var(--den); }
.hero-gia .hg-chinh b { font-size: clamp(24px, 2.4vw, 32px); color: var(--lua-600); letter-spacing: -.01em; }
.hero-gia .hg-chinh i { font-style: normal; color: var(--xam); font-size: 14px; }
.hero-gia .hg-phu { display: block; margin-top: 8px; font-size: 13.5px; color: var(--xam); line-height: 1.6; }
.hero-gia .hg-phu b { color: var(--xam-dam); }
.hero-gia .hg-phu a { color: var(--do); border-bottom: 1px solid currentcolor; white-space: nowrap; }

.bo-thong-dung { margin-top: 26px; border-top: 1px solid var(--vien); padding-top: 18px; }
.bo-thong-dung > .nhan-kt { color: var(--xam); display: block; margin-bottom: 12px; }
.bo-thong-dung ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px;
  background: var(--vien); border: 1px solid var(--vien); }
.bo-thong-dung li { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) auto;
  gap: 14px; align-items: baseline; padding: 13px 16px; background: var(--trang); }
.bt-cho { font-weight: 700; color: var(--den); font-size: 14.5px; }
.bt-ct { font-family: var(--mono); font-size: 12.5px; color: var(--xam); }
.bt-gia { text-align: right; font-size: 13px; color: var(--xam); white-space: nowrap; }
.bt-gia b { font-family: var(--mono); font-size: 17px; color: var(--lua-600); margin-left: 4px; }
@media (max-width: 620px) {
  .bo-thong-dung li { grid-template-columns: 1fr auto; }
  .bt-ct { grid-column: 1 / -1; }
}

.khoi-boc .tieu-de-lon { color: var(--bc-chu); }
.khoi-boc .dan-nhap-vua,
.khoi-boc .nhan-le .ten { color: var(--bc-chu-phu); }
.khoi-boc .bang-boc th,
.khoi-boc .bang-boc td { border-color: var(--bc-vien); color: var(--bc-chu); }
.khoi-boc .bang-boc th small { color: var(--bc-chu-phu); }

.khoi-boc .bang-boc tbody tr { transition: background var(--t-nho) var(--e-chot); }
.khoi-boc .bang-boc tbody tr:hover { background: var(--thep-100); }
.khoi-boc .bc-dieu-kien li { color: var(--bc-chu-phu); border-bottom-color: var(--bc-vien); }
.khoi-boc .bc-dieu-kien b { color: var(--bc-chu); }
.khoi-boc .bo-thong-dung { border-top-color: var(--bc-vien); }
.khoi-boc .bo-thong-dung > .nhan-kt { color: var(--thep-600); }

.khoi-boc .bt-gia b { color: var(--lua-600); }
.khoi-boc .bo-thong-dung ul { background: var(--bc-vien); border-color: var(--bc-vien); }
.khoi-boc .bo-thong-dung li { background: #fff; }
.khoi-boc .bt-cho { color: var(--bc-chu); }
.khoi-boc .bt-ct,
.khoi-boc .bt-gia { color: var(--thep-600); }
.khoi-boc .ghi-nho { color: var(--bc-chu-phu); }
.khoi-boc .mc-ve { --mc-vien: #516577; --mc-thep: #b9d6e8; --mc-loi: #c9a961;
  --mc-mgo: #d8d2bd; --mc-nhan: #516577; --mc-dim: var(--lua-500); }
.khoi-boc figcaption,
.khoi-boc figcaption span,
.khoi-boc .mc-chu { color: var(--bc-chu-phu); }

.dai-tin-hieu { background: var(--thep-50); border-block: 1px solid var(--thep-200); }
.dai-tin-hieu ul { display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--thep-200); list-style: none; margin: 0; padding: 0; }
.dai-tin-hieu li { background: var(--thep-50); padding: 20px 24px;
  display: flex; flex-direction: column; gap: 5px; }
.dai-tin-hieu b { font-family: var(--mono); font-size: 15px; letter-spacing: .02em;
  color: var(--thep-700); font-variant-numeric: tabular-nums; }
.dai-tin-hieu span { font-size: 12.5px; color: var(--thep-600); line-height: 1.35; }
@media (max-width: 720px) {

  .dai-tin-hieu ul { grid-template-columns: 1fr 1fr; }

  .dai-tin-hieu li { padding: 15px 24px; }
  .dai-tin-hieu b { font-size: 13.5px; }
  .dai-tin-hieu span { font-size: 11.5px; }
}

.vc-hop { position: sticky; top: 96px; margin: 26px 0 0; padding: 18px 16px 14px;
  background: #fff; border: 1px solid var(--thep-200); border-top: 3px solid var(--thep-600);
  box-shadow: 0 1px 2px rgba(35, 100, 135, .06), 0 8px 20px rgba(35, 100, 135, .07); }
.vc-ve { display: block; width: 100%; height: auto;

  --vc-vien: #4a5a66; --vc-net: #236487; --vc-kim: #8a6a2f;
  --vc-kinh: #cfe4ef; --vc-o: #eef2f4; --vc-tuong: #e3e8ea; }
.vc-tuong { fill: var(--vc-tuong); }
.vc-kim { fill: var(--vc-kim); }
.vc-san { stroke: var(--vc-vien); stroke-width: 2; }
.vc-dim line { stroke: var(--vc-net); stroke-width: .9; }
.vc-dim text { font: 400 11px/1 var(--mono); fill: var(--vc-net); }
.vc-nhan { font: 400 10.5px/1 var(--mono); fill: var(--thep-600); letter-spacing: .04em; }

.vc-vach-ten { stroke: var(--thep-200); stroke-width: 1; }
.vc-chu { margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--thep-100);
  font-size: 12px; line-height: 1.5; color: var(--thep-600); }

.vc-canh { transition: opacity var(--t-nho) var(--e-chot); }
@media (prefers-reduced-motion: reduce) { .vc-canh { transition: none; } }
@media (max-width: 1000px) {

  .vc-hop { position: static; }
}

.cbl { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px); align-items: center; }
.cbl-ve { width: 100%; height: auto; display: block;
  --cbl-thep: #9fb3c2; --cbl-keo: #c98b3f; --cbl-mgo: #e4e0d2; --cbl-loi: #c9a961;
  --cbl-vien: #2f3f4c; }
.cbl-mat, .cbl-canh { stroke: var(--cbl-vien); stroke-width: 1; }
.cbl-thep .cbl-mat, .cbl-thep .cbl-canh { fill: var(--cbl-thep); }
.cbl-keo  .cbl-mat, .cbl-keo  .cbl-canh { fill: var(--cbl-keo); }
.cbl-mgo  .cbl-mat, .cbl-mgo  .cbl-canh { fill: var(--cbl-mgo); }
.cbl-loi  .cbl-mat, .cbl-loi  .cbl-canh { fill: var(--cbl-loi); }
.cbl-giong { stroke: var(--thep-500); stroke-width: 1; stroke-dasharray: 3 3; }
.cbl-truc { font: 400 10px/1 var(--mono); fill: var(--thep-500); letter-spacing: .08em; }

.cbl-lop { transition: opacity var(--t-nho) var(--e-chot); }
.cbl:has(.cbl-nut:hover) .cbl-lop,
.cbl:has(.cbl-nut:focus-visible) .cbl-lop { opacity: .22; }

.cbl:has(.cbl-nut[data-lop="thep-ngoai"]:hover) .cbl-lop[data-lop="thep-ngoai"],
.cbl:has(.cbl-nut[data-lop="thep-ngoai"]:focus-visible) .cbl-lop[data-lop="thep-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="keo-ngoai"]:hover) .cbl-lop[data-lop="keo-ngoai"],
.cbl:has(.cbl-nut[data-lop="keo-ngoai"]:focus-visible) .cbl-lop[data-lop="keo-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="mgo-ngoai"]:hover) .cbl-lop[data-lop="mgo-ngoai"],
.cbl:has(.cbl-nut[data-lop="mgo-ngoai"]:focus-visible) .cbl-lop[data-lop="mgo-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="loi"]:hover) .cbl-lop[data-lop="loi"],
.cbl:has(.cbl-nut[data-lop="loi"]:focus-visible) .cbl-lop[data-lop="loi"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="mgo-trong"]:hover) .cbl-lop[data-lop="mgo-trong"],
.cbl:has(.cbl-nut[data-lop="mgo-trong"]:focus-visible) .cbl-lop[data-lop="mgo-trong"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="thep-trong"]:hover) .cbl-lop[data-lop="thep-trong"],
.cbl:has(.cbl-nut[data-lop="thep-trong"]:focus-visible) .cbl-lop[data-lop="thep-trong"] { opacity: 1; }
.cbl-ds { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--thep-200); }
.cbl-ds li { border-bottom: 1px solid var(--thep-200); }
.cbl-nut { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline;
  gap: 12px; width: 100%; padding: 13px 4px; background: none; border: 0;
  text-align: left; cursor: pointer; color: inherit;
  transition: background var(--t-nho) var(--e-chot); }
.cbl-nut:hover, .cbl-nut:focus-visible { background: var(--thep-50); }
.cbl-stt { font: 400 11px/1 var(--mono); color: var(--lua-600); }
.cbl-ten { font-weight: 700; font-size: 15px; }
.cbl-ky { font: 400 11.5px/1 var(--mono); color: var(--thep-600); }

.cbl-doc { display: grid; margin-top: 16px; padding: 14px 16px;
  background: var(--thep-50); border: 1px solid var(--thep-200); border-left: 3px solid var(--lua-500); }
.cbl-doc > p { grid-area: 1 / 1; margin: 0; font-size: 13.5px; line-height: 1.6;
  color: var(--thep-700); opacity: 0; transition: opacity var(--t-nho) var(--e-chot); }
.cbl-doc-md { opacity: 1; color: var(--thep-600); }
.cbl-doc b { color: var(--den); }
.cbl:has(.cbl-nut:hover) .cbl-doc-md,
.cbl:has(.cbl-nut:focus-visible) .cbl-doc-md { opacity: 0; }
.cbl:has(.cbl-nut[data-lop="thep-ngoai"]:hover) .cbl-doc-i[data-lop="thep-ngoai"],
.cbl:has(.cbl-nut[data-lop="thep-ngoai"]:focus-visible) .cbl-doc-i[data-lop="thep-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="keo-ngoai"]:hover) .cbl-doc-i[data-lop="keo-ngoai"],
.cbl:has(.cbl-nut[data-lop="keo-ngoai"]:focus-visible) .cbl-doc-i[data-lop="keo-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="mgo-ngoai"]:hover) .cbl-doc-i[data-lop="mgo-ngoai"],
.cbl:has(.cbl-nut[data-lop="mgo-ngoai"]:focus-visible) .cbl-doc-i[data-lop="mgo-ngoai"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="loi"]:hover) .cbl-doc-i[data-lop="loi"],
.cbl:has(.cbl-nut[data-lop="loi"]:focus-visible) .cbl-doc-i[data-lop="loi"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="mgo-trong"]:hover) .cbl-doc-i[data-lop="mgo-trong"],
.cbl:has(.cbl-nut[data-lop="mgo-trong"]:focus-visible) .cbl-doc-i[data-lop="mgo-trong"] { opacity: 1; }
.cbl:has(.cbl-nut[data-lop="thep-trong"]:hover) .cbl-doc-i[data-lop="thep-trong"],
.cbl:has(.cbl-nut[data-lop="thep-trong"]:focus-visible) .cbl-doc-i[data-lop="thep-trong"] { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .cbl-lop, .cbl-nut, .cbl-doc > p { transition: none; }
}
@media (max-width: 860px) { .cbl { grid-template-columns: 1fr; } }

.ttl { margin: 30px 0 26px; padding: 20px 20px 18px; background: var(--thep-50);
  border: 1px solid var(--thep-200); border-top: 3px solid var(--lua-500); }
.ttl-nhan { display: block; font-size: 13.5px; color: var(--thep-700); margin-bottom: 10px; }
.ttl-nhan b { font-family: var(--mono); font-size: 16px; color: var(--den);
  font-variant-numeric: tabular-nums; }
.ttl-keo { width: 100%; accent-color: var(--lua-500); }

.ttl-thuoc { display: grid; grid-template-columns: 0fr 5fr 10fr 15fr 30fr 30fr 30fr;
  list-style: none; margin: 6px 0 0; padding: 0; }
.ttl-moc { display: flex; justify-content: flex-end; }
.ttl-moc button { background: none; border: 0; padding: 3px 2px; cursor: pointer;

  font: 400 11px/1 var(--mono); color: var(--thep-600);
  transition: color var(--t-nho) var(--e-chot); }
.ttl-moc.qua button { color: var(--lua-600); font-weight: 600; }
.ttl-moc button:hover { color: var(--den); }
.ttl-bang { display: grid; grid-template-columns: 40px minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 18px; align-items: stretch; margin-top: 18px; }

.ttl-cot { --ttl-muc: 2%; position: relative; background: var(--thep-100);
  border: 1px solid var(--thep-200); }
.ttl-cot i { position: absolute; inset: auto 0 0; height: var(--ttl-muc);
  background: linear-gradient(180deg, var(--lua-400) 0%, var(--lua-600) 100%);
  transition: height var(--t-nho) linear; }
.ttl-so { margin: 0; }
.ttl-so > div { display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--thep-200); }
.ttl-so dt { font-size: 12.5px; color: var(--thep-600); }
.ttl-so dd { margin: 0; font-family: var(--mono); font-variant-numeric: tabular-nums;
  color: var(--den); white-space: nowrap; }
.ttl-so dd b { font-size: 17px; }
.ttl-so dd small { color: var(--thep-500); }

.ttl-doc { display: flex; flex-direction: column; gap: 7px; min-height: 132px;
  padding: 12px 14px; background: #fff; border: 1px solid var(--thep-200); }
.ttl-mo { margin: 0; font-size: 13px; line-height: 1.6; color: var(--thep-700); }
@media (prefers-reduced-motion: reduce) { .ttl-cot i, .ttl-moc button { transition: none; } }
@media (max-width: 720px) {
  .ttl-bang { grid-template-columns: 28px minmax(0, 1fr); }
  .ttl-doc { grid-column: 1 / -1; min-height: 0; }
}

.mos-dau { max-width: 62ch; }
.mos-dau h1 { margin: 10px 0 14px; }
.mos-loc { display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 30px 0 20px; padding-bottom: 16px; border-bottom: 1px solid var(--thep-200); }
.mos-loc button { padding: 7px 14px; background: #fff; border: 1px solid var(--thep-200);
  border-radius: 3px; cursor: pointer; font: 400 12.5px/1 var(--mono); color: var(--thep-700);
  transition: background var(--t-nho) var(--e-chot), border-color var(--t-nho) var(--e-chot); }
.mos-loc button:hover { border-color: var(--thep-400); }
.mos-loc button[aria-pressed="true"] { background: var(--thep-700); border-color: var(--thep-700); color: #fff; }
.mos-dem { margin-left: auto; font: 400 12px/1 var(--mono); color: var(--thep-600); }

.mos { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  grid-auto-rows: 178px; gap: 10px; list-style: none; margin: 0; padding: 0; }
.mos-li { grid-row: span 1; }
.mos-to { grid-column: span 2; grid-row: span 2; }
.mos-o { position: relative; display: block; overflow: hidden; height: 100%;
  background: var(--thep-100); border: 1px solid var(--thep-200); }
.mos-o img { width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform var(--t-lon) var(--e-cua); }
.mos-o:hover img { transform: scale(1.04); }

.mos-nhan { position: absolute; inset: auto 0 0; padding: 26px 12px 10px;
  display: flex; flex-direction: column; gap: 2px;
  background: linear-gradient(180deg, rgba(11, 13, 16, 0) 0%, rgba(11, 13, 16, .82) 62%);
  color: #fff; }
.mos-nhan b { font: 600 11px/1 var(--mono); letter-spacing: .05em; color: var(--lua-200); }
.mos-nhan i { font-style: normal; font-size: 12.5px; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mos-li[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .mos-o img { transition: none; } }
@media (max-width: 700px) {
  .mos { grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    grid-auto-rows: 132px; gap: 8px; }
  .mos-nhan { padding: 20px 9px 8px; }
}

@media (pointer: coarse) {
  .nav a, .menu-day a, .site-footer a, .lien-phu, .lien-trong, .logo,
  .mo-menu, .he-chip, .btn, .mos-loc button, .cbl-nut, .ttl-moc button {
    min-height: 44px; display: inline-flex; align-items: center;
  }

  .mo-menu { min-width: 44px; justify-content: center; }

  .btn, .he-chip, .mos-loc button { justify-content: center; }

  .site-footer li > a { width: 100%; }
}
@media (pointer: coarse) {

  .breadcrumb a { padding-block: 13px; }
}

.trang-dai p, .sp-noidung p, .kt-bai p, .mp-cn p,
.trang-dai li, .sp-noidung li, .kt-bai li {
  max-width: 68ch;

  text-wrap: pretty;
}

.trang-dai table, .sp-noidung table, .kt-bai table { max-width: none; }

h1, h2, h3, .tieu-de-lon { text-wrap: balance; }

.can-giua { text-align: center; margin-inline: auto; max-width: 54ch; }
.can-giua p { margin-inline: auto; }

.kh-thanh { padding: clamp(30px, 4vw, 44px); background: var(--thep-50);
  border: 1px solid var(--thep-200); border-left: 3px solid var(--lua-500); }
.kh-thanh h2 { margin-bottom: 10px; }
.tcp { margin: 26px 0 0; --tcp-1: #b03500; --tcp-2: #d4611f; --tcp-3: #e0a35a;
  --tcp-4: #7d9bb0; --tcp-5: #4a7a97; --tcp-6: #2a5570; --tcp-7: #16333f; }
.tcp figcaption { margin-bottom: 10px; color: var(--thep-600); }
.tcp-ve { display: block; width: 100%; height: 26px; border: 1px solid var(--thep-300); }
.tcp-doan { transition: opacity var(--t-nho) var(--e-chot); }

.tcp:has(.tcp-chu li:hover) .tcp-doan { opacity: .25; }
.tcp-chu { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 2px 20px; list-style: none; margin: 16px 0 0; padding: 0; }
.tcp-chu li { display: grid; grid-template-columns: 11px 1fr auto; align-items: center;
  gap: 9px; padding: 7px 6px; border-bottom: 1px solid var(--thep-200);
  transition: background var(--t-nho) var(--e-chot); }
.tcp-chu li:hover { background: #fff; }
.tcp-o { width: 11px; height: 11px; border-radius: 2px; }
.tcp-o[data-i="0"] { background: var(--tcp-1); }
.tcp-o[data-i="1"] { background: var(--tcp-2); }
.tcp-o[data-i="2"] { background: var(--tcp-3); }
.tcp-o[data-i="3"] { background: var(--tcp-4); }
.tcp-o[data-i="4"] { background: var(--tcp-5); }
.tcp-o[data-i="5"] { background: var(--tcp-6); }
.tcp-o[data-i="6"] { background: var(--tcp-7); }
.tcp-ten { font-size: 13.5px; line-height: 1.35; color: var(--thep-700); }
.tcp-pct { font-family: var(--mono); font-size: 14px; color: var(--den);
  font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { .tcp-doan, .tcp-chu li { transition: none; } }

.kh-vung { padding: clamp(26px, 3.5vw, 40px); background: var(--thep-50);
  border: 1px solid var(--thep-200); }
.vpv { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 40px); align-items: center; margin: 20px 0 0; }
.vpv-ve { width: 100%; height: auto; }
.vpv-vong { fill: none; stroke: var(--thep-300); stroke-width: 1; stroke-dasharray: 4 5; }
.vpv-vong-trong { stroke: var(--thep-200); }
.vpv-nan { stroke: var(--thep-300); stroke-width: 1; }
.vpv-cham { fill: var(--thep-600); }
.vpv-tam { fill: var(--lua-500); stroke: #fff; stroke-width: 2.5; }
.vpv-ten { font: 400 12px/1 var(--mono); fill: var(--thep-700); }
.vpv-tam-ten { font: 700 14px/1 var(--font-dam); fill: var(--den); }
.vpv-tam-nhan { font: 400 8.5px/1 var(--mono); fill: var(--thep-600); letter-spacing: .08em; }

.vpv-diem { transition: opacity var(--t-nho) var(--e-chot); }
.vpv-ve:has(.vpv-diem:hover) .vpv-diem { opacity: .3; }
.vpv-ve .vpv-diem:hover { opacity: 1; }
.vpv figcaption { font-size: 14px; line-height: 1.65; color: var(--thep-700); }
.vpv figcaption b { color: var(--den); }
.vpv figcaption span { display: block; margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--thep-200); font-size: 12.5px; color: var(--thep-600); }
@media (prefers-reduced-motion: reduce) { .vpv-diem { transition: none; } }
@media (max-width: 780px) { .vpv { grid-template-columns: 1fr; } }

.kt-card { display: flex; flex-direction: column; }
.kt-hinh { display: block; background: var(--thep-50); border-bottom: 1px solid var(--thep-200);
  margin: -1px -1px 14px; padding: 8px 0; }
.ktv { display: block; width: 100%; height: auto; max-height: 104px; }
.ktv-cot { fill: var(--thep-300); }
.ktv-nong { fill: var(--lua-500); }
.ktv-net { stroke: var(--thep-400); stroke-width: 1.4; }
.ktv-chu { font: 400 9px/1 var(--mono); fill: var(--thep-700); letter-spacing: .04em; }
.ktv-to { fill: #fff; stroke: var(--thep-400); stroke-width: 1.2; }
.ktv-tick { fill: none; stroke: var(--lua-500); stroke-width: 3.2;
  stroke-linecap: round; stroke-linejoin: round; }
.ktv-cham { fill: var(--thep-400); }
.ktv-moc { fill: var(--lua-500); }
.kt-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.kt-loai { font: 600 10.5px/1 var(--mono); font-style: normal; letter-spacing: .06em;
  text-transform: uppercase; color: var(--lua-600); }
.kt-card .kt-doc { font: 400 11.5px/1 var(--mono); color: var(--thep-600); }
.kt-card .kt-doc-tiep { margin-top: auto; padding-top: 14px; }

.kt-card .ktv { transition: transform var(--t-vua) var(--e-cua); }
.kt-card:hover .ktv { transform: translateY(-3px); }
@media (prefers-reduced-motion: reduce) { .kt-card .ktv { transition: none; } }

.khoi-dc { padding-block: clamp(72px, 8vw, 108px); background: var(--toi-canvas);
  color: var(--toi-chu); }
.khoi-dc .nhan-kt { color: var(--thep-so-toi); }
.khoi-dc .tieu-de-lon { color: var(--toi-chu); margin: 12px 0 40px; }
.dc { display: grid; grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
  gap: clamp(22px, 3.5vw, 52px); align-items: start; }
.dc-anh { position: relative; overflow: hidden; border: 1px solid var(--toi-vien); }
.dc-anh img { display: block; width: 100%; height: auto; }
.dc-lop { position: absolute; inset: 0; }

.dc-diem { position: absolute; transform: translate(-50%, -50%); padding: 0;
  background: none; border: 0; cursor: pointer; display: grid; place-items: center;
  width: 44px; height: 44px; }
.dc-diem[data-d="tay-co"] { left: 39.5%; top: 20.5%; }
.dc-diem[data-d="tem"]    { left: 33%;   top: 25%; }
.dc-diem[data-d="ban-le"] { left: 30.8%; top: 38%; }
.dc-diem[data-d="khoa"]   { left: 63.5%; top: 59%; }
.dc-diem[data-d="khuon"]  { left: 68%;   top: 44%; }
.dc-diem[data-d="nguong"] { left: 48.5%; top: 90%; }
.dc-cham { width: 13px; height: 13px; border-radius: 50%; background: var(--lua-400);
  box-shadow: 0 0 0 2.5px rgba(11, 13, 16, .6); position: relative;
  transition: transform var(--t-nho) var(--e-chot); }
.dc-cham::after { content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 1.5px solid var(--lua-400); opacity: .5;
  transition: opacity var(--t-nho) var(--e-chot), transform var(--t-nho) var(--e-chot); }
.dc-diem:hover .dc-cham::after,
.dc-diem:focus-visible .dc-cham::after { opacity: 1; transform: scale(1.25); }
.dc-diem:hover .dc-cham, .dc-diem:focus-visible .dc-cham { transform: scale(1.35); }

.dc-nhan { position: absolute; left: 50%; bottom: calc(100% + 4px); transform: translateX(-50%);
  padding: 4px 9px; background: var(--toi-surface); border: 1px solid var(--toi-vien);
  color: var(--toi-chu); font: 400 11.5px/1 var(--mono); white-space: nowrap;
  opacity: 0; transition: opacity var(--t-nho) var(--e-chot); pointer-events: none; }
.dc-diem:hover .dc-nhan, .dc-diem:focus-visible .dc-nhan { opacity: 1; }

.dc-doc { display: grid; padding: 22px 24px; background: var(--toi-surface);
  border: 1px solid var(--toi-vien); border-left: 3px solid var(--lua-500); min-height: 218px; }
.dc-doc > * { grid-area: 1 / 1; opacity: 0; transition: opacity var(--t-nho) var(--e-chot); }
.dc-doc-md { opacity: 1; }
.dc-doc h3 { margin: 8px 0 10px; font-size: 19px; color: var(--toi-chu); }
.dc-doc p { margin: 0; font-size: 14px; line-height: 1.65; color: var(--toi-chu-phu); max-width: 52ch; }
.dc-gia { margin-top: 12px !important; padding-top: 10px; border-top: 1px solid var(--toi-vien);
  font-family: var(--mono); font-size: 12px; color: var(--thep-so-toi); }
.dc:has(.dc-diem:hover) .dc-doc-md,
.dc:has(.dc-diem:focus-visible) .dc-doc-md,
.dc:has(.dc-nut:hover) .dc-doc-md,
.dc:has(.dc-nut:focus-visible) .dc-doc-md { opacity: 0; }

.dc-ds { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; margin: 16px 0 0; padding: 0; }
.dc-nut { padding: 8px 13px; background: transparent; border: 1px solid var(--toi-vien);
  color: var(--toi-chu-phu); font: 400 12.5px/1 var(--mono); cursor: pointer; border-radius: 2px;
  transition: border-color var(--t-nho) var(--e-chot), color var(--t-nho) var(--e-chot); }
.dc-nut:hover, .dc-nut:focus-visible { border-color: var(--lua-400); color: var(--toi-chu); }

@media (prefers-reduced-motion: reduce) {
  .dc-cham, .dc-cham::after, .dc-nhan, .dc-doc > *, .dc-nut { transition: none; }
}
@media (max-width: 900px) {
  .dc { grid-template-columns: 1fr; }
  .dc-doc { min-height: 200px; }
}

.dc:has(.dc-diem[data-d="tay-co"]:hover) .dc-doc-i[data-d="tay-co"],
.dc:has(.dc-diem[data-d="tay-co"]:focus-visible) .dc-doc-i[data-d="tay-co"],
.dc:has(.dc-nut[data-d="tay-co"]:hover) .dc-doc-i[data-d="tay-co"],
.dc:has(.dc-nut[data-d="tay-co"]:focus-visible) .dc-doc-i[data-d="tay-co"] { opacity: 1; }
.dc:has(.dc-diem[data-d="tem"]:hover) .dc-doc-i[data-d="tem"],
.dc:has(.dc-diem[data-d="tem"]:focus-visible) .dc-doc-i[data-d="tem"],
.dc:has(.dc-nut[data-d="tem"]:hover) .dc-doc-i[data-d="tem"],
.dc:has(.dc-nut[data-d="tem"]:focus-visible) .dc-doc-i[data-d="tem"] { opacity: 1; }
.dc:has(.dc-diem[data-d="ban-le"]:hover) .dc-doc-i[data-d="ban-le"],
.dc:has(.dc-diem[data-d="ban-le"]:focus-visible) .dc-doc-i[data-d="ban-le"],
.dc:has(.dc-nut[data-d="ban-le"]:hover) .dc-doc-i[data-d="ban-le"],
.dc:has(.dc-nut[data-d="ban-le"]:focus-visible) .dc-doc-i[data-d="ban-le"] { opacity: 1; }
.dc:has(.dc-diem[data-d="khoa"]:hover) .dc-doc-i[data-d="khoa"],
.dc:has(.dc-diem[data-d="khoa"]:focus-visible) .dc-doc-i[data-d="khoa"],
.dc:has(.dc-nut[data-d="khoa"]:hover) .dc-doc-i[data-d="khoa"],
.dc:has(.dc-nut[data-d="khoa"]:focus-visible) .dc-doc-i[data-d="khoa"] { opacity: 1; }
.dc:has(.dc-diem[data-d="khuon"]:hover) .dc-doc-i[data-d="khuon"],
.dc:has(.dc-diem[data-d="khuon"]:focus-visible) .dc-doc-i[data-d="khuon"],
.dc:has(.dc-nut[data-d="khuon"]:hover) .dc-doc-i[data-d="khuon"],
.dc:has(.dc-nut[data-d="khuon"]:focus-visible) .dc-doc-i[data-d="khuon"] { opacity: 1; }
.dc:has(.dc-diem[data-d="nguong"]:hover) .dc-doc-i[data-d="nguong"],
.dc:has(.dc-diem[data-d="nguong"]:focus-visible) .dc-doc-i[data-d="nguong"],
.dc:has(.dc-nut[data-d="nguong"]:hover) .dc-doc-i[data-d="nguong"],
.dc:has(.dc-nut[data-d="nguong"]:focus-visible) .dc-doc-i[data-d="nguong"] { opacity: 1; }

.dc-chan { display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px; margin-top: 26px; padding: 22px 24px;
  background: var(--toi-surface); border: 1px solid var(--toi-vien); }
.dc-chan .nhan-kt { display: block; color: var(--thep-so-toi); }
.dc-chan b { display: block; margin: 7px 0 6px; font-family: var(--mono);
  font-size: clamp(26px, 3vw, 34px); font-weight: 600; color: var(--toi-chu);
  letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.dc-chan b i { font-style: normal; font-size: 14px; color: var(--toi-chu-phu);
  margin-left: 7px; letter-spacing: 0; }
.dc-chan small { display: block; max-width: 46ch; font-size: 12.5px; line-height: 1.55;
  color: var(--toi-chu-phu); }