:root {
  
  --color-bg-primary: #14161a;
  --color-bg-secondary: #1b1e24;
  --color-text-primary: #e9ecef;
  --color-text-secondary: #9aa1ab;
  --color-accent: #c6ff3d;
  --color-border: #2a2e36;
  --color-cta-bg: #c6ff3d;
  --color-cta-text: #0d0f12;
  --font-display: "Chakra Petch", sans-serif;
  --font-body: "IBM Plex Sans Thai", sans-serif;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-size-h1: 40px;
  --font-size-h2: 28px;
  --font-size-h3: 22px;
  --font-size-body: 16px;
  --line-height-display: 1.2;
  --line-height-body: 1.6;
  --space-8: 8px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --radius-card: 10px;
  --radius-btn: 6px;
  --max-width-content: 1200px;
  --max-width-longform: 760px;
  --grid-gap: 24px;
  --motion-duration: 180ms;
  --motion-easing: cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
}
h1, .lv68-h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  margin-top: 0;
  margin-bottom: var(--space-16);
  color: var(--color-text-primary);
}
h2, .lv68-h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  margin-top: 0;
  margin-bottom: var(--space-16);
  color: var(--color-text-primary);
}
h3, .lv68-h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  margin-top: 0;
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
}
.lv68-btn {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  line-height: 1.0;
  padding: var(--space-16) var(--space-32);
  border-radius: var(--radius-btn);
  background-color: var(--color-cta-bg);
  color: var(--color-cta-text);
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition-property: opacity, transform;
  transition-duration: var(--motion-duration);
  transition-timing-function: var(--motion-easing);
}
.lv68-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}
.lv68-btn:active {
  transform: translateY(0);
}
.lv68-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}
.lv68-nav-container {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.lv68-nav-brand {
  font-family: var(--font-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  text-decoration: none;
}
.lv68-nav-toggle {
  display: none;
}
.lv68-nav-toggle-btn {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 24px;
  height: 24px;
}
.lv68-nav-toggle-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
}
.lv68-nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-24);
  list-style: none;
  margin: 0;
  padding: 0;
}
.lv68-nav-item {
  position: relative;
}
.lv68-nav-link {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--space-8) 0;
  display: block;
  transition-property: opacity, transform;
  transition-duration: var(--motion-duration);
  transition-timing-function: var(--motion-easing);
}
.lv68-nav-item:hover .lv68-nav-link,
.lv68-nav-item:focus-within .lv68-nav-link {
  color: var(--color-accent);
}
.lv68-nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-8);
  list-style: none;
  margin: 0;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition-property: opacity, transform;
  transition-duration: var(--motion-duration);
  transition-timing-function: var(--motion-easing);
}
.lv68-nav-item:hover .lv68-nav-dropdown,
.lv68-nav-item:focus-within .lv68-nav-dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.lv68-nav-dropdown-link {
  display: block;
  padding: var(--space-8) var(--space-16);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-body);
  border-radius: var(--radius-btn);
}
.lv68-nav-dropdown-link:hover,
.lv68-nav-dropdown-link:focus {
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}
.lv68-hero {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--grid-gap);
  align-items: center;
}
.lv68-hero-main {
  grid-column: span 8;
}
.lv68-hero-aside {
  grid-column: span 4;
}
.lv68-hero-image {
  width: 100%;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-secondary);
  display: block;
}
.lv68-rank {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
}
.lv68-rank-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-24);
}
.lv68-rank-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-24);
  transition-property: opacity, transform;
  transition-duration: var(--motion-duration);
  transition-timing-function: var(--motion-easing);
}
.lv68-rank-card:hover {
  transform: translateY(-4px);
}
.lv68-providers {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
}
.lv68-providers-track {
  display: flex;
  overflow-x: auto;
  gap: var(--space-24);
  padding-bottom: var(--space-16);
}
.lv68-providers-item {
  flex: 0 0 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-16);
}
.lv68-method {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--grid-gap);
}
.lv68-method-primary {
  grid-column: span 7;
}
.lv68-method-secondary {
  grid-column: span 5;
}
.lv68-longform {
  max-width: var(--max-width-longform);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
}
.lv68-longform p {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
  margin-top: 0;
  margin-bottom: var(--space-24);
}
.lv68-compare {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
}
.lv68-compare table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  font-size: var(--font-size-body);
}
.lv68-compare th,
.lv68-compare td {
  padding: var(--space-16);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}
.lv68-compare th {
  background-color: var(--color-bg-secondary);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-display);
}
.lv68-compare tbody tr:nth-child(odd) {
  background-color: var(--color-bg-secondary);
}
.lv68-compare tbody tr:nth-child(even) {
  background-color: var(--color-bg-primary);
}
.lv68-faq {
  max-width: var(--max-width-longform);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-bg-primary);
}
.lv68-faq details {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: var(--space-16);
  padding: var(--space-16);
}
.lv68-faq summary {
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  list-style: none;
}
.lv68-faq summary::-webkit-details-marker {
  display: none;
}
.lv68-faq p {
  margin-top: var(--space-16);
  margin-bottom: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}
.lv68-cta {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
  padding-left: var(--space-24);
  padding-right: var(--space-24);
  background-color: var(--color-accent);
  color: var(--color-cta-text);
  border-radius: var(--radius-card);
  text-align: center;
}
.lv68-cta-title {
  font-family: var(--font-display);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  margin-top: 0;
  margin-bottom: var(--space-16);
  color: var(--color-cta-text);
}
.lv68-cta-desc {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-cta-text);
  margin-top: 0;
  margin-bottom: var(--space-32);
}
.lv68-cta-btn {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  line-height: 1.0;
  padding: var(--space-16) var(--space-32);
  border-radius: var(--radius-btn);
  border: 2px solid var(--color-cta-text);
  background-color: var(--color-accent);
  color: var(--color-cta-text);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition-property: opacity, transform;
  transition-duration: var(--motion-duration);
  transition-timing-function: var(--motion-easing);
}
.lv68-cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}
.lv68-cta-btn:active {
  transform: translateY(0);
}
@media (max-width: 390px) {
  .lv68-nav-toggle-btn {
    display: flex;
  }
  .lv68-nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-16) var(--space-24);
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition-property: opacity, transform;
    transition-duration: var(--motion-duration);
    transition-timing-function: var(--motion-easing);
  }
  .lv68-nav-toggle:checked ~ .lv68-nav-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .lv68-nav-dropdown {
    position: static;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    border: 0;
    padding-left: var(--space-16);
  }
  .lv68-hero {
    grid-template-columns: minmax(0, 1fr);
  }
  .lv68-hero-main {
    grid-column: span 1;
  }
  .lv68-hero-aside {
    grid-column: span 1;
  }
  .lv68-rank {
    grid-template-columns: minmax(0, 1fr);
  }
  .lv68-rank-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .lv68-method {
    grid-template-columns: minmax(0, 1fr);
  }
  .lv68-method-primary {
    grid-column: span 1;
  }
  .lv68-method-secondary {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* VA 18/09: site chi co breakpoint 390px -> moi may 391-1200px an luoi desktop.
   Them dai an toan cho dien thoai lon (Pixel 412, iPhone Pro Max 430) va tablet.
   Khong dua rule an noi dung (display:none) vao day - chi sua luoi va anh. */
img, video, svg { max-width: 100%; height: auto; }
@media (max-width: 640px) {
  .lv68-rank-grid,
  .lv68-rank,
  .lv68-method,
  .lv68-providers,
  .lv68-compare,
  .lv68-review { grid-template-columns: minmax(0, 1fr); }
  .lv68-rank-card, .lv68-card, .lv68-panel { min-width: 0; overflow-wrap: anywhere; }
}

/* SOP7 agy-design 18/09: fix mismatch class header/footer/hero/subnav/inline-figure */
.lv68-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-24);
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-16) var(--space-24);
  width: 100%;
}

.lv68-logo {
  font-family: var(--font-display);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  text-decoration: none;
  flex-shrink: 0;
}

.lv68-header .lv68-nav {
  position: static;
  background: transparent;
  border-bottom: 0;
  width: auto;
  flex: 1 1 auto;
}

.lv68-header .lv68-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-24);
  margin: 0;
  padding: 0;
}

.lv68-header .lv68-nav a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-body);
  padding: var(--space-8) 0;
  transition: color var(--motion-duration) var(--motion-easing);
}

.lv68-header .lv68-nav a:hover,
.lv68-header .lv68-nav a[aria-current="page"] {
  color: var(--color-accent);
}

.lv68-header-cta {
  flex-shrink: 0;
}

.lv68-footer {
  width: 100%;
  padding: var(--space-48) var(--space-24);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
}

.lv68-footer nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-24);
  margin: 0 0 var(--space-16) 0;
  padding: 0;
}

.lv68-footer nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.lv68-footer nav a:hover {
  color: var(--color-text-primary);
}

.lv68-footer p {
  margin: 0;
  font-size: 14px;
}

.lv68-subnav {
  display: block;
  margin-top: var(--space-24);
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-border);
}

.lv68-subnav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
  margin: 0;
  padding: 0;
}

.lv68-subnav a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 14px;
}

.lv68-subnav a:hover {
  color: var(--color-accent);
}

.lv68-longform-cta {
  margin: var(--space-32) 0;
  text-align: center;
}

.lv68-inline-figure {
  margin: var(--space-24) 0;
  text-align: center;
}

.lv68-inline-figure img {
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  max-width: 100%;
}

@media (max-width: 640px) {
  .lv68-header {
    gap: var(--space-16);
    padding: var(--space-16);
  }

  .lv68-header .lv68-nav ul {
    gap: var(--space-16);
  }

  .lv68-footer nav ul {
    gap: var(--space-16);
    flex-direction: column;
    align-items: center;
  }

  .lv68-subnav ul {
    gap: 12px;
  }
}