/*
Theme Name: Gym Tinh Gọn v2
Theme URI: https://gymtinhgon.com
Author: Vũ Hải
Description: Giao diện Tricolor sáng của Gym Tinh Gọn. Sinh từ ban-v2/dung-theme.py, không sửa trực tiếp trên máy chủ.
Version: 2.0.0
Requires PHP: 7.4
Text Domain: gtg-v2
*/
/* ---------- font tự lưu, không gọi Google Fonts lúc tải trang ---------- */
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/be-vietnam-pro-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(fonts/be-vietnam-pro-400-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/be-vietnam-pro-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: 600;
  font-display: swap;
  src: url(fonts/be-vietnam-pro-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(fonts/be-vietnam-pro-600-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/be-vietnam-pro-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: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(fonts/space-grotesk-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: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(fonts/space-grotesk-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url(fonts/space-grotesk-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;
}

/* =========================================================
   Gym Tinh Gọn, bản 2 (01/11/2026)
   Tricolor sáng nâng cấp: lưới kẻ, góc vuông, đỏ là màu hành động duy nhất.
   Vàng cát và xanh thép chỉ mã màu danh mục.
   Mọi giá trị lấy từ token ở :root.
   ========================================================= */

:root {
  /* màu */
  --bg: #FAF8F5;
  --bg-2: #F1EDE6;
  --paper: #FFFFFF;
  --ink: #15171C;
  --ink-2: #4E5058;
  --ink-3: #5F6169;
  --line: rgba(21, 23, 28, 0.14);
  --line-2: rgba(21, 23, 28, 0.28);
  --accent: #C73937;
  --accent-hover: #A8322F;
  --accent-ink: #A8322F;       /* chữ nhỏ màu đỏ, đạt 4.5:1 trên cả --bg và --bg-2 */
  --on-accent: #FFFFFF;
  --dark: #15171C;
  --dark-2: #1E2129;
  --on-dark: #F1EEEA;
  --on-dark-2: #B9BCC4;
  --accent-on-dark: #E86A63;   /* chữ đỏ nhỏ trên nền tối */
  /* mã màu danh mục, chỉ dùng cho vạch và chấm, không làm chữ, không làm nút */
  --cat-phong-tap: #C73937;
  --cat-cong-cu: #6E93C8;
  --cat-tu-duy: #E2B25E;

  /* chữ */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, sans-serif;

  --t-xs: 0.8125rem;
  --t-sm: 0.9375rem;
  --t-base: 1.0625rem;
  --t-md: 1.1875rem;
  --t-lg: clamp(1.25rem, 1.12rem + 0.5vw, 1.5rem);
  --t-xl: clamp(1.625rem, 1.3rem + 1.2vw, 2.25rem);
  --t-2xl: clamp(2rem, 1.45rem + 2.4vw, 3.5rem);
  --t-hero: clamp(2.375rem, 1.5rem + 3.9vw, 4.75rem);
  --t-mega: clamp(3.5rem, 1.5rem + 9vw, 10rem);

  /* khoảng cách (lưới 8px) */
  --s-1: 0.5rem;
  --s-2: 1rem;
  --s-3: 1.5rem;
  --s-4: 2rem;
  --s-5: 3rem;
  --s-6: 4.5rem;
  --s-7: 7rem;
  --section-y: clamp(4rem, 2.5rem + 6vw, 8rem);

  /* hình khối */
  --radius: 0;
  --pad-card: 1.75rem;
  --bw: 1px;
  --bw-2: 2px;

  /* chuyển động: đo ở spectup.com và linear.app ngày 01/11/2026 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-1: 180ms;
  --dur-2: 500ms;
  --dur-3: 800ms;

  /* bố cục */
  --container: 1240px;
  --prose: 44rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --header-h: 72px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

/* chống vỡ dòng tiếng Việt */
body, p, li, h1, h2, h3, h4, dd, dt, td, th { word-break: keep-all; overflow-wrap: break-word; line-break: strict; hyphens: none; }
h1, h2, h3, h4, .lede { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
.nowrap { white-space: nowrap; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: var(--s-2); top: -100px; z-index: 100; background: var(--ink); color: var(--paper); padding: var(--s-1) var(--s-2); text-decoration: none; }
.skip:focus { top: var(--s-2); }

/* ---------- bố cục ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--bg-2); }
.section--line { border-top: var(--bw) solid var(--line); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--s-3); }

/* ---------- chữ ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-ink);
}
.kicker::before { content: ""; width: 1.5rem; height: 2px; background: currentColor; }
.kicker--plain::before { display: none; }
.h-hero { font-size: var(--t-hero); line-height: 1.06; letter-spacing: -0.035em; }
.h-2xl { font-size: var(--t-2xl); line-height: 1.08; letter-spacing: -0.03em; }
.h-xl { font-size: var(--t-xl); line-height: 1.15; }
.h-lg { font-size: var(--t-lg); line-height: 1.25; letter-spacing: -0.01em; }
.lede { font-size: var(--t-md); color: var(--ink-2); line-height: 1.6; max-width: 38rem; }
.muted { color: var(--ink-3); }
.num { font-family: var(--font-display); font-weight: 700; font-variant-numeric: tabular-nums; }
.section-head { display: grid; gap: var(--s-2); margin-bottom: var(--s-5); max-width: 46rem; }
.section-head--row { max-width: none; grid-template-columns: 1fr auto; align-items: end; column-gap: var(--s-4); }

/* ---------- nút và liên kết ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  min-height: 3rem; padding: 0.75rem 1.5rem;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); letter-spacing: 0.02em;
  text-decoration: none; border: var(--bw-2) solid transparent; border-radius: var(--radius);
  cursor: pointer; white-space: nowrap;
  transition: background-color var(--dur-1) ease, color var(--dur-1) ease, border-color var(--dur-1) ease, transform var(--dur-1) ease;
}
.btn svg { width: 1.1em; height: 1.1em; transition: transform var(--dur-1) ease; }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--light { background: var(--on-dark); color: var(--dark); }
.btn--light:hover { background: var(--paper); }
.link-arrow {
  display: inline-flex; align-items: center; gap: 0.45em;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm);
  color: var(--accent-ink); text-decoration: none;
  border-bottom: var(--bw-2) solid transparent; padding-bottom: 2px;
  transition: border-color var(--dur-1) ease;
}
.link-arrow svg { width: 1.05em; height: 1.05em; transition: transform var(--dur-1) ease; }
.link-arrow:hover { border-color: currentColor; }
.link-arrow:hover svg { transform: translateX(3px); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-4); }

/* nhãn danh mục: chấm màu + chữ mực */
.cat {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); text-decoration: none;
}
.cat::before { content: ""; width: 0.6rem; height: 0.6rem; background: var(--cat-color, var(--cat-phong-tap)); }
.cat--cong-cu { --cat-color: var(--cat-cong-cu); }
.cat--tu-duy { --cat-color: var(--cat-tu-duy); }
.chip {
  display: inline-flex; align-items: center; min-height: 2.5rem; padding: 0.4rem 1rem;
  border: var(--bw) solid var(--line-2); background: transparent; color: var(--ink);
  font-family: var(--font-display); font-weight: 500; font-size: var(--t-sm); text-decoration: none; cursor: pointer;
  transition: background-color var(--dur-1) ease, color var(--dur-1) ease, border-color var(--dur-1) ease;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-current="true"], .chip[aria-pressed="true"], .chip.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: var(--bw) solid var(--line);
  transition: transform 400ms var(--ease-in-out);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header__in { display: flex; align-items: center; gap: var(--s-4); min-height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; flex: none; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand__name { font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.01em; line-height: 1.05; }
.brand__name small { display: block; font-weight: 500; font-size: 0.6875rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.nav { margin-left: auto; }
.nav ul { list-style: none; display: flex; gap: 0.25rem; }
.nav a {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 0.8rem;
  font-family: var(--font-display); font-weight: 500; font-size: var(--t-sm); text-decoration: none; color: var(--ink);
  position: relative; white-space: nowrap;
}
.nav a::after { content: ""; position: absolute; left: 0.8rem; right: 0.8rem; bottom: 0.45rem; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-2) var(--ease-out); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-cta { flex: none; }
.menu-btn {
  display: none; margin-left: auto; width: 3rem; height: 3rem; border: var(--bw) solid var(--line-2); background: transparent; cursor: pointer;
  align-items: center; justify-content: center;
}
.menu-btn svg { width: 1.4rem; height: 1.4rem; }

@media (max-width: 1080px) {
  .menu-btn { display: inline-flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; margin: 0;
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
    background: var(--bg); border-bottom: var(--bw) solid var(--line);
    padding: var(--s-2) var(--gutter) var(--s-4);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out), visibility 0s linear 300ms;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; transition-delay: 0s; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li { border-bottom: var(--bw) solid var(--line); }
  .nav a { width: 100%; min-height: 3.25rem; padding: 0; font-size: var(--t-md); }
  .nav a::after { left: 0; right: auto; width: 2rem; }
  .nav .nav__cta { display: flex; margin-top: var(--s-3); border: 0; }
  .nav .nav__cta a { justify-content: center; width: 100%; }
  .nav .nav__cta a::after { display: none; }
}
@media (min-width: 1081px) { .nav .nav__cta { display: none; } }

/* ---------- hero trang chủ ---------- */
.hero { position: relative; padding-block: clamp(3rem, 2rem + 4vw, 6rem) var(--section-y); overflow: hidden; }
.hero::before {
  /* đường kẻ dọc chia 6 cột như bản vẽ, ý từ spectup.com */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: calc((min(100vw, var(--container)) - 2 * var(--gutter)) / 6) 100%;
  background-position: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter))) 0;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
}
.hero > .container { position: relative; }
.hero__title { grid-column: 1 / span 7; grid-row: 2; margin-top: var(--s-3); }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__body { grid-column: 1 / span 6; grid-row: 3; margin-top: var(--s-5); display: grid; gap: var(--s-4); align-content: start; }
.hero__media { grid-column: 8 / -1; grid-row: 2 / span 2; margin: var(--s-4) 0 0; position: relative; align-self: start; }
.hero__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 88% 50%; border: var(--bw) solid var(--ink); }
.hero__media figcaption { display: flex; justify-content: space-between; gap: var(--s-2); margin-top: var(--s-1); font-size: var(--t-xs); color: var(--ink-3); }
.hero__stamp {
  position: absolute; left: calc(-1 * var(--s-4)); bottom: var(--s-5);
  background: var(--accent); color: var(--on-accent);
  padding: var(--s-2) var(--s-3); max-width: 15rem;
  font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); line-height: 1.35;
}
.hero__stamp b { display: block; font-size: 2rem; line-height: 1; margin-bottom: 0.25rem; }
.hero__facts { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-3); padding-top: var(--s-3); border-top: var(--bw) solid var(--line); font-size: var(--t-sm); color: var(--ink-2); }
.hero__facts b { font-family: var(--font-display); color: var(--ink); }

@media (max-width: 900px) {
  .hero__title, .hero__body, .hero__media { grid-column: 1 / -1; grid-row: auto; }
  .hero__media { margin-top: var(--s-6); }
  .hero__media img { aspect-ratio: 4 / 3; }
  .hero__stamp { left: var(--s-2); bottom: auto; top: calc(-1 * var(--s-3)); }
}

/* ---------- bài nổi bật + 3 bài xếp dọc ---------- */
.feature { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); border-top: var(--bw-2) solid var(--ink); }
.feature__main { padding: var(--s-4) var(--s-4) var(--s-4) 0; border-right: var(--bw) solid var(--line); }
.feature__side { display: grid; }
.feature__side .post-row { padding: var(--s-3) 0 var(--s-3) var(--s-4); }
.feature__side .post-row + .post-row { border-top: var(--bw) solid var(--line); }

.post-card { position: relative; display: grid; gap: var(--s-2); align-content: start; }
.post-card__img { position: relative; overflow: hidden; background: var(--bg-2); }
.post-card__img img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 700ms var(--ease-out); }
.post-card:hover .post-card__img img { transform: scale(1.03); }
.post-card__img::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--cat-color, var(--cat-phong-tap)); }
.post-card--cong-cu, .post-row--cong-cu { --cat-color: var(--cat-cong-cu); }
.post-card--tu-duy, .post-row--tu-duy { --cat-color: var(--cat-tu-duy); }
.post-card__title { font-size: var(--t-lg); line-height: 1.25; letter-spacing: -0.015em; }
.post-card--big .post-card__title { font-size: var(--t-xl); line-height: 1.15; }
.post-card__title a { text-decoration: none; background-image: linear-gradient(currentColor, currentColor); background-size: 0% 2px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size var(--dur-2) var(--ease-out); }
.post-card__title a::after { content: ""; position: absolute; inset: 0; }
.post-card:hover .post-card__title a, .post-row:hover .post-row__title a { background-size: 100% 2px; }
.post-card__desc { color: var(--ink-2); font-size: var(--t-sm); line-height: 1.6; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem 1rem; font-size: var(--t-xs); color: var(--ink-3); }
.post-meta .cat { position: relative; z-index: 1; }

.post-row { position: relative; display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: var(--s-3); align-items: start; }
.post-row__img { position: relative; background: var(--bg-2); }
.post-row__img img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.post-row__img::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--cat-color, var(--cat-phong-tap)); }
.post-row__body { display: grid; gap: 0.4rem; }
.post-row__title { font-size: var(--t-md); line-height: 1.3; letter-spacing: -0.01em; }
.post-row__title a { text-decoration: none; background-image: linear-gradient(currentColor, currentColor); background-size: 0% 2px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size var(--dur-2) var(--ease-out); }
.post-row__title a::after { content: ""; position: absolute; inset: 0; }

@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .feature__main { padding: var(--s-4) 0; border-right: 0; border-bottom: var(--bw) solid var(--line); }
  .feature__side .post-row { padding-left: 0; }
}
@media (max-width: 480px) { .post-row { grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--s-2); } }

/* lưới bài 3 cột, chia bằng đường kẻ */
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: var(--bw-2) solid var(--ink); }
.post-grid > * { padding: var(--s-4) var(--s-3) var(--s-5); border-bottom: var(--bw) solid var(--line); }
.post-grid > *:not(:nth-child(3n)) { border-right: var(--bw) solid var(--line); }
.post-grid > *:nth-child(3n + 1) { padding-left: 0; }
.post-grid > *:nth-child(3n) { padding-right: 0; }
@media (max-width: 960px) {
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .post-grid > * { padding: var(--s-4) var(--s-3) var(--s-5) !important; border-right: 0 !important; }
  .post-grid > *:nth-child(odd) { padding-left: 0 !important; border-right: var(--bw) solid var(--line) !important; }
  .post-grid > *:nth-child(even) { padding-right: 0 !important; }
}
@media (max-width: 620px) {
  .post-grid { grid-template-columns: 1fr; }
  .post-grid > * { padding: var(--s-4) 0 !important; border-right: 0 !important; }
}

/* ---------- 8 lãng phí ---------- */
.waste { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--s-5); align-items: start; }
.waste__intro { position: sticky; top: calc(var(--header-h) + var(--s-4)); display: grid; gap: var(--s-3); }
.waste__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: var(--bw-2) solid var(--ink); list-style: none; }
.waste__item { padding: var(--s-4) var(--s-4) var(--s-4) 0; border-bottom: var(--bw) solid var(--line); display: grid; grid-template-columns: 3rem 1fr; gap: 0 var(--s-2); }
.waste__item:nth-child(odd) { border-right: var(--bw) solid var(--line); }
.waste__item:nth-child(even) { padding-left: var(--s-4); padding-right: 0; }
.waste__no { font-family: var(--font-display); font-weight: 700; font-size: var(--t-lg); color: var(--accent-ink); line-height: 1.2; }
.waste__item h3 { font-size: var(--t-md); line-height: 1.3; margin-bottom: 0.4rem; }
.waste__item p { color: var(--ink-2); font-size: var(--t-sm); }
.note { font-size: var(--t-xs); color: var(--ink-3); }
@media (max-width: 960px) {
  .waste { grid-template-columns: 1fr; gap: var(--s-4); }
  .waste__intro { position: static; }
}
@media (max-width: 620px) {
  .waste__grid { grid-template-columns: 1fr; }
  .waste__item, .waste__item:nth-child(even) { padding: var(--s-3) 0; border-right: 0; }
}

/* ---------- lộ trình 4 chặng (điểm nhấn: cột trái ghim, chặng đổi theo cuộn) ---------- */
.route { background: var(--dark); color: var(--on-dark); }
.route .kicker { color: var(--accent-on-dark); }
.route .lede { color: var(--on-dark-2); }
.route__wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-6); align-items: start; }
.route__pin { position: sticky; top: calc(var(--header-h) + var(--s-5)); display: grid; gap: var(--s-3); }
.route__counter { display: flex; align-items: baseline; gap: 0.4rem; font-family: var(--font-display); font-weight: 700; margin-top: var(--s-3); }
.route__counter-now { font-size: var(--t-mega); line-height: 0.85; color: var(--accent-on-dark); letter-spacing: -0.04em; display: inline-block; min-width: 2ch; }
.route__counter-all { font-size: var(--t-lg); color: var(--on-dark-2); }
.route__bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; max-width: 20rem; }
.route__bar i { height: 4px; background: rgba(241, 238, 234, 0.18); transform-origin: left; }
.route__bar i.is-on { background: var(--accent); }
.route__steps { list-style: none; display: grid; }
.route__step { min-height: 64vh; padding: var(--s-5) 0; border-top: var(--bw) solid rgba(241, 238, 234, 0.16); display: grid; align-content: center; gap: var(--s-3); opacity: 0.38; transition: opacity var(--dur-2) var(--ease-out); }
.route__step:last-child { border-bottom: var(--bw) solid rgba(241, 238, 234, 0.16); }
.route__step.is-active { opacity: 1; }
.route__step-label { font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-on-dark); }
.route__step h3 { font-size: var(--t-xl); }
.route__list { list-style: none; display: grid; }
.route__list li { border-top: var(--bw) solid rgba(241, 238, 234, 0.12); }
.route__list a { display: flex; justify-content: space-between; gap: var(--s-2); align-items: center; padding: 0.7rem 0; text-decoration: none; color: var(--on-dark); font-size: var(--t-sm); transition: color var(--dur-1) ease, padding var(--dur-1) ease; }
.route__list a svg { flex: none; width: 1rem; height: 1rem; opacity: 0.5; transition: transform var(--dur-1) ease, opacity var(--dur-1) ease; }
.route__list a:hover { color: var(--paper); }
.route__list a:hover svg { transform: translateX(3px); opacity: 1; }
.route .btn--primary:hover { background: var(--accent-hover); }
@media (max-width: 960px) {
  .route__wrap { grid-template-columns: 1fr; gap: var(--s-4); }
  .route__pin { position: static; }
  .route__counter, .route__bar { display: none; }
  .route__step { min-height: 0; opacity: 1; padding: var(--s-4) 0; }
}

/* ---------- 10 công cụ: bảng đánh số ---------- */
.tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--s-5); list-style: none; border-top: var(--bw-2) solid var(--ink); }
.tool { position: relative; border-bottom: var(--bw) solid var(--line); }
.tool a { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr) 1.5rem; gap: var(--s-2); align-items: center; padding: var(--s-3) 0; text-decoration: none; }
.tool__no { font-family: var(--font-display); font-weight: 700; font-size: var(--t-lg); color: var(--accent-ink); }
.tool__name { font-family: var(--font-display); font-weight: 700; font-size: var(--t-md); line-height: 1.25; display: block; }
.tool__desc { display: block; color: var(--ink-2); font-size: var(--t-sm); margin-top: 0.2rem; }
.tool svg { width: 1.25rem; height: 1.25rem; color: var(--ink-3); transition: transform var(--dur-1) ease, color var(--dur-1) ease; }
.tool a:hover svg { transform: translateX(4px); color: var(--accent); }
.tool a:hover .tool__name { color: var(--accent-ink); }
@media (max-width: 760px) { .tools { grid-template-columns: 1fr; } }

/* ---------- người sáng lập ---------- */
.founder { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-6); align-items: start; }
.founder__photo { margin: 0; position: relative; }
.founder__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: var(--bw) solid var(--ink); }
.founder__photo figcaption { margin-top: var(--s-1); font-size: var(--t-xs); color: var(--ink-3); }
.founder__body { display: grid; gap: var(--s-3); }
.founder__role { font-family: var(--font-display); font-weight: 500; color: var(--ink-2); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: var(--bw-2) solid var(--ink); border-bottom: var(--bw) solid var(--line); }
.stat { padding: var(--s-3) var(--s-2) var(--s-3) 0; }
.stat + .stat { padding-left: var(--s-3); border-left: var(--bw) solid var(--line); }
.stat b { display: block; font-family: var(--font-display); font-size: var(--t-2xl); line-height: 1; letter-spacing: -0.03em; }
.stat span { display: block; margin-top: 0.4rem; font-size: var(--t-sm); color: var(--ink-2); line-height: 1.4; }
.creds { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--s-4); }
.creds li { padding: var(--s-2) 0; border-bottom: var(--bw) solid var(--line); display: grid; gap: 0.15rem; }
.creds b { font-family: var(--font-display); font-size: var(--t-sm); }
.creds span { font-size: var(--t-xs); color: var(--ink-3); }
.sign { font-family: var(--font-display); font-weight: 700; }
.sign span { color: var(--accent-ink); margin: 0 0.35em; }
.social { display: flex; gap: var(--s-1); }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 2.75rem; height: 2.75rem; border: var(--bw) solid var(--line-2); color: var(--ink); transition: background-color var(--dur-1) ease, color var(--dur-1) ease; }
.social a:hover { background: var(--ink); color: var(--paper); }
.social svg { width: 1.15rem; height: 1.15rem; }
.founder__end { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-2); }
@media (max-width: 900px) {
  .founder { grid-template-columns: 1fr; gap: var(--s-4); }
  .founder__photo { max-width: 26rem; }
}
@media (max-width: 520px) {
  .creds { grid-template-columns: 1fr; }
  .stat b { font-size: var(--t-xl); }
  .stat + .stat { padding-left: var(--s-2); }
}

/* ---------- băng mời Chẩn đoán H-OE ---------- */
.offer { background: var(--accent); color: var(--on-accent); }
.offer__in { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5); align-items: end; }
.offer .kicker { color: var(--on-accent); }
.offer h2 { font-size: var(--t-2xl); line-height: 1.08; letter-spacing: -0.03em; }
.offer p { font-size: var(--t-md); line-height: 1.6; }
.offer__pillars { list-style: none; display: grid; margin-top: var(--s-3); border-top: var(--bw) solid rgba(255, 255, 255, 0.4); }
.offer__pillars li { display: flex; gap: var(--s-2); padding: 0.6rem 0; border-bottom: var(--bw) solid rgba(255, 255, 255, 0.4); font-family: var(--font-display); font-weight: 500; }
.offer__pillars b { width: 1.5rem; flex: none; }
.offer .btn--light { margin-top: var(--s-4); }
@media (max-width: 900px) { .offer__in { grid-template-columns: 1fr; } }

/* ---------- đầu trang con ---------- */
.page-head { padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem) var(--s-5); border-bottom: var(--bw-2) solid var(--ink); }
.crumbs { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; font-size: var(--t-xs); color: var(--ink-3); margin-bottom: var(--s-3); }
.crumbs li + li::before { content: "/"; margin-right: 0.4rem; }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--accent-ink); text-decoration: underline; }
.page-head__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5); align-items: end; }
.page-head h1 { font-size: var(--t-2xl); line-height: 1.06; letter-spacing: -0.03em; margin-top: var(--s-2); }
@media (max-width: 900px) { .page-head__grid { grid-template-columns: 1fr; gap: var(--s-3); } }
.filters { display: flex; flex-wrap: wrap; gap: var(--s-1); padding-block: var(--s-4); }

/* ---------- khuôn bài viết ---------- */
.progress { position: fixed; left: 0; top: 0; z-index: 60; height: 3px; width: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); }
.post-cover { padding-block: clamp(2rem, 1rem + 3vw, 4rem) var(--s-5); border-bottom: var(--bw-2) solid var(--ink); }
.post-cover__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5); align-items: end; }
.post-cover h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.5rem); line-height: 1.08; letter-spacing: -0.03em; margin-block: var(--s-3); }
.post-cover .lede { margin-bottom: var(--s-3); }
.post-cover__img { margin: 0; }
.post-cover__img img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: var(--bw) solid var(--ink); }
.byline { display: flex; align-items: center; gap: var(--s-2); font-size: var(--t-sm); color: var(--ink-2); }
.byline img { width: 2.75rem; height: 2.75rem; object-fit: cover; border-radius: 50%; }
.byline b { color: var(--ink); font-family: var(--font-display); }
@media (max-width: 900px) { .post-cover__grid { grid-template-columns: 1fr; } }

.post-layout { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, var(--prose)); gap: var(--s-6); justify-content: start; padding-block: var(--s-5) var(--section-y); }
.toc { position: sticky; top: calc(var(--header-h) + var(--s-4)); align-self: start; max-height: calc(100vh - var(--header-h) - 3rem); overflow: auto; }
.toc__title { font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: var(--s-2); }
.toc ol { list-style: none; position: relative; border-left: var(--bw-2) solid var(--line); counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: grid; grid-template-columns: 1.75rem 1fr; padding: 0.45rem 0 0.45rem var(--s-2); margin-left: -2px; border-left: var(--bw-2) solid transparent; font-size: var(--t-sm); line-height: 1.4; color: var(--ink-2); text-decoration: none; transition: color var(--dur-1) ease, border-color var(--dur-1) ease; }
.toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs); color: var(--ink-3); padding-top: 0.15em; }
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--ink); border-left-color: var(--accent); font-weight: 600; }
.toc a.is-active::before { color: var(--accent-ink); }
.toc-mobile { display: none; border: var(--bw) solid var(--line-2); margin-bottom: var(--s-4); background: var(--paper); }
.toc-mobile summary { cursor: pointer; padding: var(--s-2) var(--s-3); font-family: var(--font-display); font-weight: 700; list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 3rem; }
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile summary svg { width: 1.1rem; height: 1.1rem; transition: transform var(--dur-1) ease; }
.toc-mobile[open] summary svg { transform: rotate(180deg); }
.toc-mobile ol { padding: 0 var(--s-3) var(--s-2) calc(var(--s-3) + 1.2rem); }
.toc-mobile li { padding: 0.35rem 0; font-size: var(--t-sm); }
.toc-mobile a { color: var(--ink-2); }
@media (max-width: 1180px) {
  .post-layout { grid-template-columns: minmax(0, 14rem) minmax(0, var(--prose)); gap: var(--s-5); }
}
@media (max-width: 900px) {
  .post-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc { display: none; }
  .toc-mobile { display: block; }
}

/* thân bài */
.prose { font-size: 1.125rem; line-height: 1.7; color: var(--ink); }
.prose > * + * { margin-top: 1.25em; }
.prose h2 { font-size: var(--t-xl); line-height: 1.18; margin-top: 2.2em; padding-top: var(--s-3); border-top: var(--bw) solid var(--line); scroll-margin-top: calc(var(--header-h) + 1rem); }
.prose h3 { font-size: var(--t-lg); line-height: 1.25; margin-top: 1.8em; }
.prose h2 + *, .prose h3 + * { margin-top: 0.75em; }
.prose a { color: var(--accent-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose strong { font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: 0.45em; }
.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { font-family: var(--font-display); font-weight: 700; color: var(--accent-ink); }
.prose blockquote { margin: 1.75em 0; padding: var(--s-1) 0 var(--s-1) var(--s-3); border-left: 4px solid var(--accent); font-family: var(--font-display); font-weight: 500; font-size: var(--t-lg); line-height: 1.4; }
.prose figure { margin: 2em 0; }
.prose figcaption { margin-top: var(--s-1); font-size: var(--t-xs); color: var(--ink-3); }
.prose .table-wrap { overflow-x: auto; margin: 1.75em 0; border-top: var(--bw-2) solid var(--ink); }
.prose table { width: 100%; border-collapse: collapse; font-size: var(--t-sm); line-height: 1.5; min-width: 32rem; }
.prose th { text-align: left; font-family: var(--font-display); font-weight: 700; padding: 0.75rem 0.75rem 0.75rem 0; border-bottom: var(--bw-2) solid var(--ink); vertical-align: bottom; }
.prose td { padding: 0.75rem 0.75rem 0.75rem 0; border-bottom: var(--bw) solid var(--line); vertical-align: top; }
.callout { padding: var(--s-3) var(--pad-card); background: var(--bg-2); border-left: 4px solid var(--cat-cong-cu); }
.callout__title { font-family: var(--font-display); font-weight: 700; margin-bottom: 0.4rem; }
.post-end { margin-top: var(--s-6); display: grid; gap: var(--s-4); }
.author-box { display: grid; grid-template-columns: 5rem 1fr; gap: var(--s-3); padding: var(--s-4) 0; border-top: var(--bw-2) solid var(--ink); border-bottom: var(--bw) solid var(--line); }
.author-box img { width: 5rem; height: 5rem; object-fit: cover; }
.author-box p { font-size: var(--t-sm); color: var(--ink-2); }
.author-box b { font-family: var(--font-display); font-size: var(--t-md); display: block; margin-bottom: 0.25rem; }
.post-cta { padding: var(--s-4) var(--pad-card); background: var(--dark); color: var(--on-dark); display: grid; gap: var(--s-2); }
.post-cta p { color: var(--on-dark-2); }
.post-cta .kicker { color: var(--accent-on-dark); }
.post-cta h2 { font-size: var(--t-lg); }

/* ---------- từ điển ---------- */
.az { position: sticky; top: var(--header-h); z-index: 5; background: var(--bg); border-bottom: var(--bw) solid var(--line); }
.az ul { display: flex; flex-wrap: wrap; list-style: none; gap: 0; padding-block: var(--s-1); }
.az a { display: inline-flex; align-items: center; justify-content: center; min-width: 2.5rem; min-height: 2.5rem; font-family: var(--font-display); font-weight: 700; text-decoration: none; color: var(--ink); }
.az a:hover { background: var(--ink); color: var(--paper); }
.az span { display: inline-flex; align-items: center; justify-content: center; min-width: 2.5rem; min-height: 2.5rem; font-family: var(--font-display); color: var(--ink-3); opacity: 0.6; }
.terms-group { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--s-4); padding-block: var(--s-4); border-bottom: var(--bw) solid var(--line); scroll-margin-top: calc(var(--header-h) + 4rem); }
.terms-group__letter { font-family: var(--font-display); font-weight: 700; font-size: var(--t-2xl); line-height: 1; color: var(--accent); }
.terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4) var(--s-5); }
.term dt { font-family: var(--font-display); font-weight: 700; font-size: var(--t-md); line-height: 1.3; }
.term dt small { font-weight: 500; color: var(--ink-3); font-size: var(--t-xs); margin-left: 0.4em; }
.term dd { margin: 0.35rem 0 0; color: var(--ink-2); font-size: var(--t-sm); }
.term dd a { color: var(--accent-ink); }
@media (max-width: 760px) {
  .terms-group { grid-template-columns: 1fr; gap: var(--s-2); }
  .terms { grid-template-columns: 1fr; }
}

/* ---------- biểu mẫu ---------- */
.form { display: grid; gap: var(--s-3); }
.field { display: grid; gap: 0.4rem; }
.field label { font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); }
.field input, .field textarea, .field select { width: 100%; min-height: 3rem; padding: 0.75rem 1rem; border: var(--bw) solid var(--line-2); background: var(--paper); border-radius: var(--radius); transition: border-color var(--dur-1) ease; }
.field textarea { min-height: 9rem; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: var(--ink-3); }
.field input:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 0; border-color: var(--ink); }
.field__hint { font-size: var(--t-xs); color: var(--ink-3); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }

/* hỏi đáp */
.faq { border-top: var(--bw-2) solid var(--ink); }
.faq details { border-bottom: var(--bw) solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--s-3); align-items: center; padding: var(--s-3) 0; font-family: var(--font-display); font-weight: 700; font-size: var(--t-md); min-height: 3rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex: none; width: 1.25rem; height: 1.25rem; transition: transform var(--dur-1) ease; }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq details > div { padding-bottom: var(--s-3); color: var(--ink-2); max-width: var(--prose); }

/* ---------- footer ---------- */
.site-footer { background: var(--dark); color: var(--on-dark); padding-top: var(--s-6); overflow: hidden; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--paper); text-decoration: underline; text-underline-offset: 3px; }
.footer__top { display: grid; grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr)); gap: var(--s-4); padding-bottom: var(--s-5); border-bottom: var(--bw) solid rgba(241, 238, 234, 0.16); }
.footer__about p { color: var(--on-dark-2); font-size: var(--t-sm); max-width: 24rem; margin-top: var(--s-2); }
.footer__col h2 { font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-2); margin-bottom: var(--s-2); }
.footer__col ul { list-style: none; display: grid; gap: 0.15rem; }
.footer__col a { display: inline-flex; min-height: 2.25rem; align-items: center; font-size: var(--t-sm); }
.footer__sign { margin-top: var(--s-3); font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); }
.footer__sign span { color: var(--accent-on-dark); }
.footer__mega { font-family: var(--font-display); font-weight: 700; font-size: var(--t-mega); line-height: 0.82; letter-spacing: -0.05em; white-space: nowrap; margin-top: var(--s-5); color: transparent; -webkit-text-stroke: 1px rgba(241, 238, 234, 0.3); user-select: none; transform: translateY(12%); }
.footer__mega b { color: var(--accent); -webkit-text-stroke: 0; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-2); padding-block: var(--s-3); font-size: var(--t-xs); color: var(--on-dark-2); }
.footer__brand img { width: 52px; height: 52px; background: var(--paper); padding: 4px; }
@media (max-width: 900px) { .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); } .footer__about { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer__top { grid-template-columns: 1fr; } }

/* ---------- chuyển động ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out); transition-delay: calc(var(--d, 0) * 1ms); }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-stagger] > * { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out); transition-delay: calc(var(--i, 0) * 70ms); }
.js [data-stagger].is-in > * { opacity: 1; transform: none; }
.js [data-split] .split-word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.js [data-split] .split-word > .w { display: inline-block; transform: translateY(105%); transition: transform 700ms var(--ease-out); transition-delay: calc(var(--i, 0) * 55ms); }
.js [data-split].is-in .split-word > .w { transform: none; }
.js [data-clip] img { clip-path: inset(0 0 100% 0); transition: clip-path 900ms var(--ease-out); }
.js [data-clip].is-in img { clip-path: inset(0 0 0 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  .js [data-reveal], .js [data-stagger] > *, .js [data-split] .split-word > .w { opacity: 1 !important; transform: none !important; }
  .js [data-clip] img { clip-path: none !important; }
  .route__step { opacity: 1; }
}

/* ---------- lưới bài có lọc: đường kẻ không phụ thuộc thứ tự (thẻ ẩn không làm lệch viền) ---------- */
.post-grid--flat { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 var(--s-5); border-top: 0; }
.post-grid--flat > * { padding: var(--s-4) 0 var(--s-5) !important; border: 0 !important; border-top: var(--bw) solid var(--line) !important; }
.post-grid--flat > [hidden] { display: none; }
@media (max-width: 960px) { .post-grid--flat { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--s-4); } }
@media (max-width: 620px) { .post-grid--flat { grid-template-columns: 1fr; } }
.filters-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-2); border-bottom: var(--bw-2) solid var(--ink); }
.filters-bar .filters { padding-block: var(--s-3); }
.page-head__count { display: flex; gap: var(--s-4); padding-top: var(--s-3); border-top: var(--bw) solid var(--line); }
.page-head__count div { display: grid; }
.page-head__count b { font-family: var(--font-display); font-size: var(--t-xl); line-height: 1; }
.page-head__count span { font-size: var(--t-xs); color: var(--ink-3); margin-top: 0.3rem; }

/* ---------- lộ trình đầy đủ: mỗi chặng một hàng, số lớn bên trái ---------- */
.stage { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--s-5); padding-block: var(--s-5); border-bottom: var(--bw) solid var(--line); }
.stage__head { position: sticky; top: calc(var(--header-h) + var(--s-4)); align-self: start; display: grid; gap: var(--s-2); }
.stage__no { font-family: var(--font-display); font-weight: 700; font-size: var(--t-mega); line-height: 0.85; letter-spacing: -0.05em; color: var(--accent); }
.stage__head p { color: var(--ink-2); font-size: var(--t-sm); }
.stage__list { list-style: none; display: grid; counter-reset: bai; }
.stage__list > li { counter-increment: bai; border-top: var(--bw) solid var(--line); padding-block: var(--s-3); display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); gap: var(--s-2); }
.stage__list > li:first-child { border-top: var(--bw-2) solid var(--ink); }
.stage__list > li::before { content: counter(bai, decimal-leading-zero); font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); color: var(--accent-ink); padding-top: 0.2rem; }
@media (max-width: 900px) {
  .stage { grid-template-columns: 1fr; gap: var(--s-3); }
  .stage__head { position: static; }
  .stage__no { font-size: var(--t-2xl); }
}
.band-dark { background: var(--dark); color: var(--on-dark); }
.band-dark .lede { color: var(--on-dark-2); }
.band-dark .kicker { color: var(--accent-on-dark); }
.band-dark .link-arrow { color: var(--on-dark); }
.split-2 { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5); align-items: end; }
@media (max-width: 900px) { .split-2 { grid-template-columns: 1fr; gap: var(--s-3); } }

/* liên kết trong đoạn văn */
.text-link { color: var(--accent-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.text-link:hover { text-decoration-thickness: 2px; }

/* ---------- trang bài: hình vẽ bằng chữ, cột phải, sửa lưới màn rộng ---------- */
/* =========================================================
   Gym Tinh Gọn, bản 2: them-bai.css
   Phần THÊM cho khuôn bài viết, chờ gộp vào style.css.
   Chỉ dùng token ở :root của style.css.
   ========================================================= */

/* khối nổi bật trong bài: các phần tử con cách nhau như thân bài */
.callout > * + * { margin-top: 0.75em; }
.callout ul, .callout ol { padding-left: 1.4em; }

/* hình vẽ bằng chữ trong bài (thay khối gtg-hinh của WordPress) */
.fig { margin: 2em 0; padding: var(--s-3) var(--pad-card); border-top: var(--bw-2) solid var(--ink); background: var(--paper); border-bottom: var(--bw) solid var(--line); }
.fig > * + * { margin-top: var(--s-2); }
.fig__title { font-family: var(--font-display); font-weight: 700; font-size: var(--t-md); line-height: 1.3; }
.fig__sub { font-size: var(--t-sm); color: var(--ink-2); }
.fig__group { font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.prose .fig figcaption { margin-top: var(--s-3); padding-top: var(--s-2); border-top: var(--bw) solid var(--line); }

/* năm bước: số, tên, việc cụ thể */
.prose .fig-steps { list-style: none; padding: 0; border-top: var(--bw) solid var(--line); }
.prose .fig-steps li { display: grid; grid-template-columns: 3rem 8rem minmax(0, 1fr); gap: var(--s-2); align-items: baseline; margin: 0; padding: 0.75rem 0; border-bottom: var(--bw) solid var(--line); font-size: var(--t-sm); line-height: 1.5; }
.fig-steps__no { font-family: var(--font-display); font-weight: 700; color: var(--accent-ink); }
.fig-steps b { font-family: var(--font-display); font-weight: 700; }
.fig-steps__do { color: var(--ink-2); }
@media (max-width: 560px) {
  .prose .fig-steps li { grid-template-columns: 3rem minmax(0, 1fr); row-gap: 0.25rem; }
  .fig-steps__do { grid-column: 2; }
}

/* bậc thang mức L0 tới L4: thanh dài dần theo số vấn đề */
.prose .fig-ladder { list-style: none; padding: 0; display: grid; gap: var(--s-1); }
.prose .fig-ladder li { width: var(--w, 100%); min-width: 12rem; margin: 0; display: flex; gap: var(--s-2); align-items: baseline; padding: 0.6rem var(--s-2); background: var(--bg-2); border-left: 4px solid var(--line-2); font-size: var(--t-sm); line-height: 1.4; }
.prose .fig-ladder li b { font-family: var(--font-display); font-weight: 700; min-width: 1.75rem; }
.prose .fig-ladder li.is-goal { border-left-color: var(--cat-cong-cu); font-weight: 600; }



/* hộp tác giả: link đọc thêm */
.author-box .link-arrow { margin-top: var(--s-1); }
.post-cta .btn { justify-self: start; margin-top: var(--s-1); }

/* ---------- trang Từ điển, Giới thiệu, Liên hệ ---------- */
/* =========================================================
   Gym Tinh Gọn, bản 2: phần THÊM cho 3 trang Từ điển, Giới thiệu, Liên hệ (01/11/2026)
   Chỉ dùng token ở :root của style.css. Góc vuông, đường kẻ 1px, không bóng.
   Gộp vào style.css rồi xóa thẻ <link> them-trang.css ở đầu 3 file src.
   ========================================================= */

/* ---------- từ điển: ô đếm ở đầu trang ---------- */
.head-count { display: grid; gap: var(--s-2); }
.head-count__big { display: flex; align-items: baseline; gap: var(--s-2); padding-bottom: var(--s-2); border-bottom: var(--bw-2) solid var(--ink); }
.head-count__big b { font-family: var(--font-display); font-size: var(--t-2xl); line-height: 1; letter-spacing: -0.03em; color: var(--accent); }
.head-count__big span { font-size: var(--t-sm); color: var(--ink-2); }
.head-count__list { list-style: none; display: grid; }
.head-count__list li { display: flex; justify-content: space-between; gap: var(--s-2); padding: 0.45rem 0; border-bottom: var(--bw) solid var(--line); font-size: var(--t-sm); }
.head-count__list b { font-family: var(--font-display); font-variant-numeric: tabular-nums; }
.head-count .note b { color: var(--ink-2); }

/* ---------- từ điển: thân thuật ngữ ---------- */
.terms-group:last-child { border-bottom: 0; }
.term { padding-top: var(--s-2); border-top: var(--bw) solid var(--line); }
.term dd > p + p { margin-top: 0.5rem; }
.term__tag { display: inline-block; margin-bottom: 0.4rem; font-family: var(--font-display); font-weight: 700; font-size: 0.6875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.term__eg { padding-left: var(--s-2); border-left: var(--bw-2) solid var(--line-2); }
.term__eg b { color: var(--ink); font-weight: 600; }
.term__alt { font-size: var(--t-xs); color: var(--ink-3); }
.td-refs__in { display: grid; gap: var(--s-2); max-width: var(--prose); }
.td-refs__list { padding-left: 1.4em; display: grid; gap: 0.5rem; font-size: var(--t-sm); color: var(--ink-2); }
.td-refs__list li::marker { font-family: var(--font-display); font-weight: 700; color: var(--accent-ink); }
.td-next { max-width: 52rem; padding: var(--s-5) var(--pad-card); }
.td-next h2 { font-size: var(--t-xl); }

/* ---------- giới thiệu ---------- */
.for-who { border-top: var(--bw-2) solid var(--ink); }
.for-who__title { font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding-top: var(--s-2); }
.for-who ul { list-style: none; display: grid; margin-top: var(--s-1); }
.for-who li { padding: var(--s-2) 0; border-bottom: var(--bw) solid var(--line); font-size: var(--t-sm); color: var(--ink-2); }
.for-who strong { color: var(--ink); font-weight: 600; }

.why { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--s-3) var(--s-5); }
.why__kicker { grid-column: 1; grid-row: 1 / span 2; align-self: start; }
.why__big { grid-column: 2; font-family: var(--font-display); font-weight: 500; font-size: var(--t-xl); line-height: 1.3; letter-spacing: -0.015em; text-wrap: balance; }
.why__big strong { font-weight: 700; color: var(--accent-ink); }
.why__body { grid-column: 2; max-width: var(--prose); color: var(--ink-2); font-size: var(--t-md); padding-top: var(--s-3); border-top: var(--bw) solid var(--line); }
.why__body strong { color: var(--ink); font-weight: 600; }
@media (max-width: 760px) {
  .why { grid-template-columns: 1fr; }
  .why__kicker, .why__big, .why__body { grid-column: 1; grid-row: auto; }
}

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-6); align-items: start; }
.split__head { position: sticky; top: calc(var(--header-h) + var(--s-4)); display: grid; gap: var(--s-3); }
.split__head p { color: var(--ink-2); }
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: var(--s-4); }
  .split__head { position: static; }
}

/* danh sách đánh số kiểu bảng: số | tên | mô tả */
.rows { list-style: none; border-top: var(--bw-2) solid var(--ink); }
.rows__item { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 0.35rem var(--s-2); align-items: baseline; padding: var(--s-3) 0; border-bottom: var(--bw) solid var(--line); }
.rows__no { font-family: var(--font-display); font-weight: 700; font-size: var(--t-lg); color: var(--accent-ink); line-height: 1.2; }
.rows__name { font-size: var(--t-md); line-height: 1.3; }
.rows__desc { grid-column: 2; color: var(--ink-2); font-size: var(--t-sm); }
.rows__item--key { border-bottom-color: var(--ink); }
.rows__item--key .rows__name { color: var(--accent-ink); }
@media (max-width: 620px) { .rows__item { grid-template-columns: 2.75rem minmax(0, 1fr); } }

.vm { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: var(--bw-2) solid var(--ink); }
.vm__col { display: grid; gap: var(--s-2); align-content: start; padding: var(--s-4) var(--s-4) var(--s-4) 0; }
.vm__col + .vm__col { padding: var(--s-4) 0 var(--s-4) var(--s-4); border-left: var(--bw) solid var(--line); }
.vm__label { font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-ink); }
.vm__text { font-family: var(--font-display); font-weight: 500; font-size: var(--t-lg); line-height: 1.4; letter-spacing: -0.01em; }
.vm__text strong { font-weight: 700; }
@media (max-width: 760px) {
  .vm { grid-template-columns: 1fr; }
  .vm__col, .vm__col + .vm__col { padding: var(--s-4) 0; border-left: 0; }
  .vm__col + .vm__col { border-top: var(--bw) solid var(--line); }
}

.values { list-style: none; border-top: var(--bw-2) solid var(--ink); }
.values__item { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--s-3) var(--s-5); padding: var(--s-4) 0; border-bottom: var(--bw) solid var(--line); }
.values__head { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); align-items: baseline; }
.values__name { font-size: var(--t-xl); line-height: 1.15; }
.values__name small { display: block; margin-top: 0.35rem; font-family: var(--font-body); font-weight: 500; font-size: var(--t-sm); letter-spacing: 0; color: var(--ink-3); }
.values__body { display: grid; gap: var(--s-2); }
.values__lead { font-size: var(--t-md); }
.values__body ul { list-style: none; display: grid; }
.values__body li { position: relative; padding: 0.55rem 0 0.55rem var(--s-3); border-top: var(--bw) solid var(--line); font-size: var(--t-sm); color: var(--ink-2); }
.values__body li::before { content: ""; position: absolute; left: 0; top: 1.15rem; width: 0.6rem; height: 2px; background: var(--accent); }
@media (max-width: 760px) { .values__item { grid-template-columns: 1fr; } }

/* phần phụ trong băng đỏ */
.offer__aside { display: grid; gap: var(--s-2); padding-top: var(--s-3); border-top: var(--bw) solid rgba(255, 255, 255, 0.4); }
.offer__aside-label { font-family: var(--font-display); font-weight: 700; font-size: var(--t-xs) !important; letter-spacing: 0.14em; text-transform: uppercase; }
.offer__aside-text { font-family: var(--font-display); font-weight: 500; }
.offer .link-arrow { color: var(--on-accent); }

/* ---------- liên hệ ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: var(--s-6); align-items: start; }
.contact__form { padding-top: var(--s-3); border-top: var(--bw-2) solid var(--ink); }
.contact__form .field__hint a { color: var(--accent-ink); }
.contact__info { display: grid; gap: var(--s-2); }
.contact__title { font-size: var(--t-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding-top: var(--s-3); border-top: var(--bw-2) solid var(--ink); }
.contact__title ~ .contact__title { margin-top: var(--s-3); }
.contact-list { list-style: none; display: grid; }
.contact-list li { border-bottom: var(--bw) solid var(--line); }
.contact-list a { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: var(--s-2); align-items: start; padding: var(--s-2) 0; text-decoration: none; }
.contact-list svg { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; color: var(--ink-3); transition: color var(--dur-1) ease; }
.contact-list__label { display: block; font-size: var(--t-xs); color: var(--ink-3); }
.contact-list__value { display: block; font-family: var(--font-display); font-weight: 700; font-size: var(--t-md); line-height: 1.3; }
.contact-list__desc { display: block; font-size: var(--t-sm); color: var(--ink-2); margin-top: 0.15rem; }
.contact-list a:hover svg { color: var(--accent); }
.contact-list a:hover .contact-list__value { color: var(--accent-ink); }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; gap: var(--s-5); } }

.tools--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) { .tools--3 { grid-template-columns: 1fr; } }

/* thanh chữ cái: luôn một hàng, chữ giãn đều; màn hẹp thì vuốt ngang */
.az ul { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.az ul::-webkit-scrollbar { display: none; }
.az li { flex: 1 0 auto; display: flex; }
.az a, .az span { flex: 1; min-width: 2rem; }

/* nút menu: Lucide thay thẻ i bằng svg nên mất thuộc tính hidden, ẩn bằng trạng thái nút */
.menu-btn .i-close, .menu-btn[aria-expanded="true"] .i-open { display: none; }
.menu-btn[aria-expanded="true"] .i-close { display: block; }
/* header ẩn khi cuộn thì thanh chữ cái dính sát mép trên */
.az { transition: top 400ms var(--ease-in-out); }
.header-hidden .az { top: 0; }

/* ---------- Phần riêng cho WordPress: khối bài cũ, form liên hệ, trang phụ ---------- */
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.post-layout--mot-cot { grid-template-columns: minmax(0, var(--prose)); justify-content: center; }
.post-layout--mot-cot .toc-mobile { display: none; }
.prose p:empty { display: none; }
.prose hr, .prose .wp-block-separator { border: 0; border-top: var(--bw) solid var(--line); margin-block: 2.2em; }
.prose img { height: auto; }
.prose .wp-block-image, .prose .wp-block-uagb-image { margin-block: 2em; }
.prose .wp-block-uagb-image__figure { margin: 0; }
.prose figure.wp-block-table { overflow-x: auto; margin: 1.75em 0; border-top: var(--bw-2) solid var(--ink); }
.prose code { font-size: 0.92em; padding: 0.1em 0.35em; background: var(--bg-2); overflow-wrap: anywhere; }
.prose pre { overflow-x: auto; padding: var(--s-3); background: var(--bg-2); font-size: var(--t-sm); line-height: 1.55; }
.prose pre code { padding: 0; background: none; overflow-wrap: normal; }
.prose .wp-block-uagb-inline-notice { padding: var(--s-3) var(--pad-card); background: var(--bg-2); border-left: 4px solid var(--cat-cong-cu); }
.prose .uagb-notice-close-button { display: none; }
.prose .uagb-notice-title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; line-height: 1.3; margin-bottom: 0.5rem; }
.prose .uagb-notice-text > * + * { margin-top: 0.75em; }
.prose .uagb-icon-list__wrap { display: grid; gap: 0.6rem; }
.prose .wp-block-uagb-icon-list-child { display: grid; grid-template-columns: 1.1rem minmax(0, 1fr); gap: 0.65rem; align-items: baseline; }
.prose .uagb-icon-list__source-wrap svg { width: 0.95rem; height: 0.95rem; fill: var(--accent); transform: translateY(0.1em); }
.prose .wp-block-uagb-icon-list-child a { display: contents; }
.prose .aligncenter { margin-inline: auto; }
.trang-phu { max-width: var(--prose); padding-block: var(--s-5) var(--section-y); }

/* Contact Form 7 dùng cùng kiểu với .field */
.wpcf7-form { display: grid; gap: var(--s-3); }
.wpcf7-form > p { margin: 0; }
.wpcf7-form label { display: grid; gap: 0.4rem; font-family: var(--font-display); font-weight: 700; font-size: var(--t-sm); }
.wpcf7-form-control-wrap { display: block; }
.wpcf7-form label br { display: none; }
.wpcf7-form input[type="text"], .wpcf7-form input[type="email"] { width: 100%; min-height: 3rem; padding: 0.75rem 1rem; border: var(--bw) solid var(--line-2); background: var(--paper); border-radius: var(--radius); font: inherit; font-family: var(--font-body); font-weight: 400; font-size: 1rem; color: var(--ink); }
.wpcf7-form input[type="text"]:focus-visible, .wpcf7-form input[type="email"]:focus-visible { outline: 3px solid var(--accent); outline-offset: 0; border-color: var(--ink); }
.gtg-dong-y { font-size: var(--t-xs); color: var(--ink-3); }
.gtg-dong-y a { color: var(--accent-ink); text-decoration: underline; }
.wpcf7-not-valid-tip { display: block; margin-top: 0.35rem; font-family: var(--font-body); font-weight: 400; font-size: var(--t-xs); color: var(--accent-ink); }
.wpcf7-response-output { margin: 0; padding: 0.75rem 1rem; font-size: var(--t-sm); border-left: 4px solid var(--accent); background: var(--bg-2); }
.wpcf7-form.init .wpcf7-response-output { display: none; }
.wpcf7-spinner { display: none; }
.wpcf7-form .wpcf7-submit { cursor: pointer; }
.wpcf7 .hidden-fields-container, .wpcf7 form > div:first-child[style*="none"] { display: none; }

@media (max-width: 700px) {
  .section-head--row { grid-template-columns: minmax(0, 1fr); row-gap: var(--s-2); }
}

/* ---------- Sơ đồ trong bài cũ ---------- */
.prose [class*="gtg-"]{--bg:#FAF8F5;--card:#F1EDE6;--card-2:#E8E3DA;--line:#DDD6CB;--ink:#15171C;--body:#3A3D45;--muted:#5B5F68;--red:#C73937;--red-soft:#AE2F2D;--c1:#C73937;--c2:#B8862B;--c3:#3868B0;--f-display:'Space Grotesk',system-ui,sans-serif;--f-body:'Be Vietnam Pro',system-ui,sans-serif}
.prose .gtg-hinh{margin:36px 0;padding:24px 22px 18px;background:var(--card);border-top:6px solid var(--red);font-family:var(--f-body)}
.prose .gtg-hinh .gtg-hinh-tieu{font-family:var(--f-display)!important;font-weight:700;font-size:18px;line-height:1.3;color:var(--ink);margin:0 0 4px}
.prose .gtg-hinh .gtg-hinh-phu{font-size:14.5px;color:var(--muted);margin:0 0 18px;line-height:1.5}
.prose .gtg-hinh figcaption,.prose .gtg-hinh .gtg-hinh-ghi{font-size:13.5px;color:var(--muted);margin-top:14px;line-height:1.5}
.prose .gtg-hinh svg{display:block;width:100%;height:auto;max-width:760px;margin:0 auto}
.prose .gtg-hinh svg text{font-family:var(--f-body);fill:var(--body);font-size:14px}
.prose .gtg-hinh svg .t-dam{font-family:var(--f-display);font-weight:700;fill:var(--ink)}
.prose .gtg-hinh svg .t-nho{font-size:12px;fill:var(--muted)}
.prose .gtg-hinh svg .t-trang{fill:#fff}
.prose .gtg-hinh svg .n-nen{fill:var(--bg)} .prose .gtg-hinh svg .n-the{fill:var(--card-2)}
.prose .gtg-hinh svg .n-c1{fill:var(--c1)} .prose .gtg-hinh svg .n-c2{fill:var(--c2)} .prose .gtg-hinh svg .n-c3{fill:var(--c3)} .prose .gtg-hinh svg .n-muc{fill:var(--ink)}
.prose .gtg-hinh svg .v-c1{stroke:var(--c1)} .prose .gtg-hinh svg .v-c2{stroke:var(--c2)} .prose .gtg-hinh svg .v-c3{stroke:var(--c3)}
.prose .gtg-hinh svg .v-duong{stroke:var(--line);fill:none} .prose .gtg-hinh svg .v-muc{stroke:var(--ink);fill:none}
.prose .gtg-hinh svg .mui{fill:var(--muted)}

.prose .gtg-luong{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch;list-style:none;margin:0;padding:0;counter-reset:b}
.prose .gtg-luong > li{flex:1 1 130px;position:relative;background:var(--bg);border-top:5px solid var(--c1);padding:14px 14px 12px;margin:0!important}
.prose .gtg-luong > li::marker{content:none}
.prose .gtg-luong > li.c2{border-top-color:var(--c2)} .prose .gtg-luong > li.c3{border-top-color:var(--c3)} .prose .gtg-luong > li.c0{border-top-color:var(--ink)}
.prose .gtg-luong b{display:block;font-family:var(--f-display);font-weight:700;font-size:15.5px;color:var(--ink);margin-bottom:4px;line-height:1.25}
.prose .gtg-luong small{display:block;font-size:13.5px;line-height:1.45;color:var(--body)}
.prose .gtg-luong .so{display:inline-grid;place-items:center;min-width:28px;height:28px;padding:0 6px;background:var(--c1);color:#fff;font-family:var(--f-display);font-weight:700;font-size:14px;margin-bottom:8px}
.prose .gtg-luong li.c2 .so{background:var(--c2)} .prose .gtg-luong li.c3 .so{background:var(--c3)} .prose .gtg-luong li.c0 .so{background:var(--ink);color:var(--bg)}
.prose .gtg-luong > li:not(:last-child)::after{content:"";position:absolute;right:-9px;top:50%;width:8px;height:8px;border-top:2px solid var(--muted);border-right:2px solid var(--muted);transform:translateY(-50%) rotate(45deg)}
.prose .gtg-luong.doc{flex-direction:column} .prose .gtg-luong.doc > li:not(:last-child)::after{right:auto;left:24px;top:auto;bottom:-9px;transform:rotate(135deg)}

.prose .gtg-thanh{display:grid;grid-template-columns:minmax(120px,32%) 1fr;gap:10px 14px;align-items:center;font-size:14px}
.prose .gtg-thanh .nhan{color:var(--ink);font-weight:500;line-height:1.3}
.prose .gtg-thanh .ray{position:relative;height:26px;background:transparent;display:flex;gap:2px}
.prose .gtg-thanh .doan{height:100%;border-radius:0 4px 4px 0;background:var(--c1);min-width:3px;position:relative;cursor:default}
.prose .gtg-thanh .doan.c2{background:var(--c2)} .prose .gtg-thanh .doan.c3{background:var(--c3)} .prose .gtg-thanh .doan.c0{background:var(--line)}
.prose .gtg-thanh .doan:hover{outline:2px solid var(--ink);outline-offset:1px}
.prose .gtg-thanh .gt{font-family:var(--f-display);font-weight:700;font-size:13.5px;color:var(--ink);white-space:nowrap;align-self:center;padding-left:6px}
.prose .gtg-chu-giai{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px;color:var(--body);margin:0 0 14px}
.prose .gtg-chu-giai i{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-1px;background:var(--c1)}
.prose .gtg-chu-giai i.c2{background:var(--c2)} .prose .gtg-chu-giai i.c3{background:var(--c3)} .prose .gtg-chu-giai i.c0{background:var(--line)}

.prose .gtg-bac{display:flex;flex-direction:column;gap:6px;align-items:center;list-style:none;margin:0;padding:0}
.prose .gtg-bac > li{margin:0!important;padding:12px 16px;background:var(--c1);color:#fff;text-align:center;font-size:14px;line-height:1.4;width:var(--rong,100%)}
.prose .gtg-bac > li::marker{content:none}
.prose .gtg-bac > li b{display:block;font-family:var(--f-display);font-size:15.5px;color:#fff}
.prose .gtg-bac > li.c2{background:var(--c2);color:#fff} .prose .gtg-bac > li.c3{background:var(--c3);color:#fff}
.prose .gtg-bac > li.c0{background:var(--card-2);color:var(--body)} .prose .gtg-bac > li.c0 b{color:var(--ink)}
.prose .gtg-bac > li.c9{background:var(--ink);color:var(--bg)} .prose .gtg-bac > li.c9 b{color:var(--bg)}

.prose .gtg-hinh details{margin-top:12px;font-size:14px}
.prose .gtg-hinh details summary{cursor:pointer;color:var(--red-soft);font-weight:600;min-height:32px;display:flex;align-items:center}
.prose .gtg-hinh details table{width:100%;border-collapse:collapse;margin-top:8px;min-width:0}
.prose .gtg-hinh details th,.prose .gtg-hinh details td{border:1px solid var(--line);padding:6px 10px;text-align:left;color:var(--body)}
.prose .gtg-hinh details th{background:var(--card-2);color:var(--ink)}

@media (max-width:640px){
  .prose .gtg-hinh{padding:18px 14px 14px;margin:28px -4px}
  .prose .gtg-luong{flex-direction:column}
  .prose .gtg-luong > li:not(:last-child)::after{right:auto;left:24px;top:auto;bottom:-9px;transform:rotate(135deg)}
  .prose .gtg-thanh{grid-template-columns:1fr}
  .prose .gtg-thanh .nhan{margin-top:6px}
  .prose .gtg-bac > li{width:100%!important}
}
.prose .gtg-hinh, .prose .gtg-hinh *, .prose .gtg-hinh *::before, .prose .gtg-hinh *::after{box-sizing:border-box}
.prose .gtg-luong.doc > li{flex:0 0 auto}
@media (max-width:640px){.prose .gtg-luong > li{flex:0 0 auto}}
.prose .gtg-hinh .gtg-cuon{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:640px){
  .prose .gtg-hinh .gtg-cuon svg{min-width:620px}
  .prose .gtg-hinh .gtg-cuon::after{content:"Vuốt ngang để xem trọn sơ đồ";display:block;font-size:12.5px;color:var(--muted);margin-top:6px;position:sticky;left:0}
}