/* ==========================================================================
   BACKCOM THEME — WHITE + GREY + SOFT GOLDEN BROWN (PHONG CÁCH BACKCOM.IO)
   Palette: Trắng (#ffffff) + Xám sáng (#f8fafc / #f1f5f9) + Vàng Nâu nhẹ (#c59b27 / #b45309 / #d97706)
   ========================================================================== */

:root {
  --bg-main: #ffffff;
  --bg-surface: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #fdfbf7;
  --bg-subtle: #f1f5f9;
  --bg-accent-soft: #fef8eb;
  --bg-accent-warm: #fffbeb;

  --border-color: #e2e8f0;
  --border-highlight: #cbd5e1;
  --border-gold: #f4d38c;
  --border-gold-strong: #c59b27;

  --primary-gold: #c59b27;
  --primary-gold-hover: #b45309;
  --primary-gold-dark: #92400e;
  --primary-gold-light: #fef3c7;
  --gold-glow: rgba(197, 155, 39, 0.2);
  --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  --gold-gradient-hover: linear-gradient(135deg, #fbbf24 0%, #ea580c 100%);

  --text-white: #ffffff;
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-gold: #b45309;
  --text-gold-light: #c59b27;

  --success-color: #16a34a;
  --danger-color: #dc2626;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-gold: 0 10px 30px rgba(197, 155, 39, 0.12);

  --container-max: 1240px;
  --header-height: 76px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

/* ==========================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section-padding {
  padding-top: 70px;
  padding-bottom: 70px;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 45px;
    padding-bottom: 45px;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-accent-soft);
  color: var(--text-gold);
  border: 1px solid var(--border-gold);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.75rem;
  }
  .section-subtitle {
    font-size: 0.95rem;
  }
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--gold-gradient);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.25);
}

.btn-primary:hover {
  background: var(--gold-gradient-hover);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.35);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-heading);
  border: 1px solid var(--border-highlight);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-surface);
  border-color: var(--primary-gold);
  color: var(--text-gold);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: transparent;
  color: var(--text-gold);
  border: 1px solid var(--primary-gold);
}

.btn-outline-gold:hover {
  background: var(--bg-accent-soft);
  border-color: var(--primary-gold-hover);
  color: var(--primary-gold-hover);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   TOP ANNOUNCEMENT BAR
   ========================================================================== */
.top-announcement-bar {
  background: var(--bg-accent-warm);
  border-bottom: 1px solid #fef3c7;
  padding: 9px 16px;
  font-size: 0.86rem;
  text-align: center;
  color: #92400e;
}

.top-announcement-bar a {
  color: #b45309;
  font-weight: 700;
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.top-announcement-bar a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
}

.brand-logo .gold-text {
  color: var(--primary-gold);
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(217, 119, 6, 0.2);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 0;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--primary-gold);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  z-index: 101;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-link {
  display: block;
  padding: 9px 14px;
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.nav-dropdown-link:hover {
  background: var(--bg-accent-soft);
  color: var(--text-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: var(--radius-full);
}

.mobile-toggle-btn {
  display: none;
  background: transparent;
  color: var(--text-heading);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }
  .lang-selector {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 80px 0 60px 0;
  overflow: hidden;
  background: radial-gradient(circle at 50% 10%, rgba(245, 158, 11, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-content {
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-accent-soft);
  border: 1px solid var(--border-gold);
  color: var(--text-gold);
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-body);
  line-height: 1.7;
  max-width: 740px;
  margin: 0 auto 34px auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 46px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 30px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-stat-item {
  text-align: center;
  position: relative;
}

.hero-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-color);
}

.hero-stat-val {
  font-size: 1.95rem;
  font-weight: 800;
  color: var(--text-gold);
  line-height: 1.2;
}

.hero-stat-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    padding: 18px;
  }
  .hero-stat-item:nth-child(2)::after {
    display: none;
  }
  .hero-stat-val {
    font-size: 1.55rem;
  }
}

/* ==========================================================================
   LOGO MARQUEE / SLIDE LOGO CÁC SÀN CHẠY NGANG QUA TRÁI
   ========================================================================== */
.marquee-section {
  padding: 32px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
}

.marquee-heading {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.marquee-container {
  display: flex;
  overflow: hidden;
  user-select: none;
  position: relative;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-shrink: 0;
  animation: marqueeLeft 32s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marqueeLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.marquee-item:hover {
  border-color: var(--primary-gold);
  background: var(--bg-accent-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.marquee-item-logo {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-accent-soft);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--text-gold);
}

.marquee-item-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-heading);
}

.marquee-item-tag {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bg-accent-warm);
  color: var(--text-gold);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ==========================================================================
   WHY CHOOSE / COMPARISON BOX
   ========================================================================== */
.why-choose-section {
  background: #ffffff;
}

.comparison-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-top: 36px;
}

.comparison-box {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}

.comparison-box.highlight {
  border-color: var(--border-gold);
  background: #ffffff;
  box-shadow: var(--shadow-gold);
}

.comparison-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.comparison-badge.bad {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}

.comparison-badge.good {
  background: #dcfce7;
  color: #16a34a;
  border: 1px solid #86efac;
}

.comparison-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 20px;
}

.comparison-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.comparison-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-body);
}

.comparison-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison-icon.bad {
  background: #fee2e2;
  color: #dc2626;
}

.comparison-icon.good {
  background: #dcfce7;
  color: #16a34a;
}

@media (max-width: 768px) {
  .comparison-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   BACKCOM CALCULATOR (BẢNG TÍNH HOÀN PHÍ)
   ========================================================================== */
.calc-card {
  background: #ffffff;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 36px;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: var(--shadow-gold);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  justify-content: space-between;
}

.calc-select, .calc-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-heading);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  width: 100%;
  transition: all 0.25s ease;
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
  background: #ffffff;
}

.calc-range-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-range {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border-color);
  outline: none;
  accent-color: var(--primary-gold);
}

.calc-range-val-badge {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-gold);
}

.calc-result-box {
  background: var(--bg-accent-warm);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
}

.calc-result-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold-gradient);
}

.calc-result-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-result-amount {
  font-size: 3.1rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1;
}

.calc-result-amount .currency {
  font-size: 1.4rem;
  color: var(--text-gold);
  margin-left: 4px;
}

.calc-result-year {
  font-size: 0.95rem;
  color: var(--text-body);
  background: #ffffff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-gold);
}

.calc-result-year strong {
  color: var(--text-gold);
}

@media (max-width: 768px) {
  .calc-card {
    grid-template-columns: 1fr;
    padding: 22px;
    gap: 26px;
  }
  .calc-result-amount {
    font-size: 2.3rem;
  }
}

/* ==========================================================================
   BROKER LIST & CARDS (DANH SÁCH SÀN)
   ========================================================================== */
.broker-section {
  background: var(--bg-surface);
}

.broker-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.broker-tab-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-body);
  padding: 9px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.broker-tab-btn:hover, .broker-tab-btn.active {
  background: var(--gold-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.25);
}

.broker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

@media (max-width: 1100px) {
  .broker-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 850px) {
  .broker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .broker-grid {
    grid-template-columns: 1fr;
  }
}

.broker-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.broker-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.broker-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.broker-card-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.broker-card-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--text-gold);
  font-size: 1.1rem;
  border: 1px solid var(--border-gold);
}

.broker-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.2;
}

.broker-card-rating {
  font-size: 0.85rem;
  color: #eab308;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}

.broker-card-rebate-box {
  background: var(--bg-accent-soft);
  border: 1px dashed var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
}

.broker-card-rebate-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.broker-card-rebate-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-gold);
  line-height: 1.3;
}

.broker-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 18px;
  flex-grow: 1;
}

.broker-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
}

/* ==========================================================================
   PROCESS 3 STEPS (QUY TRÌNH 3 BƯỚC)
   ========================================================================== */
.process-section {
  background: #ffffff;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  position: relative;
}

.process-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  position: relative;
  transition: all 0.3s ease;
}

.process-card:hover {
  border-color: var(--border-gold);
  background: #ffffff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.process-step-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-gold);
  line-height: 1;
  margin-bottom: 16px;
}

.process-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.process-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 850px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   PROMOTIONS / SERVICES
   ========================================================================== */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.promo-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.promo-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.promo-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-accent-soft);
  color: var(--text-gold);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.promo-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 10px;
}

.promo-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 22px;
}

@media (max-width: 768px) {
  .promo-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   TESTIMONIALS & REVIEWS
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.65;
  margin-bottom: 18px;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-accent-soft);
  color: var(--text-gold);
  border: 1px solid var(--border-gold);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-heading);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 850px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   BLOG & POSTS
   ========================================================================== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.post-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.post-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.post-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.post-card-meta .tag {
  color: var(--text-gold);
  font-weight: 700;
}

.post-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 10px;
}

.post-card-title:hover {
  color: var(--primary-gold);
}

.post-card-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.post-card-readmore {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-gold);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.post-card-readmore:hover {
  gap: 8px;
}

@media (max-width: 850px) {
  .post-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}

.faq-header {
  padding: 18px 22px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-gold);
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary-gold);
  color: #ffffff;
}

.faq-content {
  padding: 0 22px 18px 22px;
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.65;
  display: none;
}

.faq-item.active .faq-content {
  display: block;
}

/* ==========================================================================
   NEWSLETTER & CONTACT FORM
   ========================================================================== */
.newsletter-box {
  background: #ffffff;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-gold);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}

.newsletter-info .title {
  font-size: 1.95rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.25;
  margin-bottom: 10px;
}

.newsletter-info .desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.newsletter-checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.newsletter-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-heading);
}

.newsletter-check-item span {
  color: var(--text-gold);
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-control {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-heading);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  width: 100%;
  transition: all 0.25s ease;
}

.form-control:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
  background: #ffffff;
}

@media (max-width: 768px) {
  .newsletter-box {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  border-top: 1px solid #1e293b;
  padding-top: 60px;
  padding-bottom: 30px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.9rem;
  color: #94a3b8;
  transition: all 0.2s ease;
}

.footer-link:hover {
  color: #f59e0b;
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 10px;
}

.footer-social-list {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.footer-social-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f8fafc;
  font-size: 0.9rem;
  transition: all 0.25s ease;
}

.footer-social-btn:hover {
  background: var(--gold-gradient);
  color: #ffffff;
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-risk-disclaimer {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 26px;
}

.footer-risk-disclaimer strong {
  color: #f87171;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #1e293b;
  padding-top: 22px;
  font-size: 0.85rem;
  color: #94a3b8;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 991px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FLOATING ACTION BUTTONS
   ========================================================================== */
.floating-actions {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: all 0.25s ease;
}

.floating-btn:hover {
  transform: scale(1.1);
}

.floating-btn.telegram {
  background: #229ed9;
}

.floating-btn.zalo {
  background: #0068ff;
}

.floating-btn.hotline {
  background: #16a34a;
}

/* ==========================================================================
   MODAL POPUP
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: #ffffff;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 30px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-gold);
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-heading);
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.modal-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-option-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.modal-option-card:hover {
  border-color: var(--primary-gold);
  background: var(--bg-accent-soft);
}

.modal-option-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-heading);
}

.modal-option-rebate {
  font-size: 0.82rem;
  color: var(--text-gold);
  font-weight: 600;
}

/* ==========================================================================
   BACKCOM.VN EXACT UI STYLES & COMPONENTS
   ========================================================================== */

/* Header backcom.vn */
.site-header-vn {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid #f1f5f9;
  height: 78px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-inner-vn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header-brand-vn {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.nav-menu-vn {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item-vn {
  position: relative;
}

.nav-link-vn {
  font-size: 0.98rem;
  font-weight: 600;
  color: #1e293b;
  display: flex;
  align-items: center;
  padding: 10px 0;
  transition: color 0.2s ease;
}

.nav-link-vn:hover,
.nav-item-vn.active .nav-link-vn {
  color: #d97706;
}

.nav-dropdown-vn {
  position: absolute;
  top: 100%;
  left: -10px;
  min-width: 250px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 100;
}

.nav-item-vn.has-dropdown:hover .nav-dropdown-vn {
  display: flex;
}

.dropdown-item-vn {
  padding: 10px 14px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  text-decoration: none;
}

.dropdown-item-vn strong {
  font-size: 0.95rem;
  color: #0f172a;
}

.dropdown-item-vn span {
  font-size: 0.78rem;
  color: #64748b;
  margin-top: 2px;
}

.dropdown-item-vn:hover {
  background: #fef8eb;
}

.dropdown-item-vn:hover strong {
  color: #b45309;
}

.dropdown-item-vn:hover span {
  color: #b45309;
}

.header-actions-vn {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-cta {
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 50px;
}

.mobile-toggle-btn-vn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: #0f172a;
  padding: 6px;
}

@media (max-width: 991px) {
  .nav-menu-vn {
    display: none;
  }
  .mobile-toggle-btn-vn {
    display: block;
  }
}

/* ==========================================================================
   BANNER / HERO SECTION (EXACT 2-COLUMN LAYOUT OF BACKCOM.VN)
   ========================================================================== */
.hero-section-backcom-vn {
  background: radial-gradient(circle at 75% 20%, #fef8eb 0%, #ffffff 65%);
  padding: 60px 0 50px 0;
  border-bottom: 1px solid #f1f5f9;
}

.hero-2col-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

.hero-col-left {
  text-align: left;
}

.hero-main-title {
  font-size: 2.35rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-main-title .highlight-brokers {
  color: #d97706;
}

.hero-main-desc {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.75;
  margin-bottom: 28px;
}

.hero-btn-wrap {
  display: flex;
  justify-content: flex-start;
}

.btn-hero-cta {
  padding: 14px 34px;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
}

.btn-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(217, 119, 6, 0.45);
}

.hero-col-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-banner-image-wrap {
  width: 100%;
  max-width: 500px;
  animation: floatBanner 4s ease-in-out infinite;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes floatBanner {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 991px) {
  .hero-2col-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }
  .hero-col-left {
    text-align: center;
  }
  .hero-btn-wrap {
    justify-content: center;
  }
  .hero-main-title {
    font-size: 1.95rem;
  }
}

/* 4 STATS STRIP ROW */
.hero-stats-strip-vn {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 22px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
}

.stat-card-item:hover {
  transform: translateY(-3px);
  border-color: #f4d38c;
  box-shadow: 0 10px 25px rgba(217, 119, 6, 0.09);
}

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #fef3c7;
  color: #b45309;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-num {
  font-size: 1.45rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.15;
}

.stat-desc {
  font-size: 0.82rem;
  font-weight: 500;
  color: #64748b;
  margin-top: 3px;
}

@media (max-width: 991px) {
  .hero-stats-strip-vn {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .hero-main-title {
    font-size: 1.75rem;
  }
  .hero-stats-strip-vn {
    grid-template-columns: 1fr;
  }
}

/* Broker Directory Tabs backcom.vn */
.broker-filter-tabs-vn {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}

.vn-tab-btn {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  padding: 8px 24px;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vn-tab-btn:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.vn-tab-btn.active {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}

/* Broker Grid backcom.vn */
.broker-grid-vn {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vn-broker-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}

.vn-broker-card:hover {
  transform: translateY(-4px);
  border-color: #f4d38c;
  box-shadow: 0 12px 30px rgba(197, 155, 39, 0.12);
}

.vn-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.vn-broker-logo-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  color: #b45309;
  flex-shrink: 0;
  overflow: hidden;
}

.vn-broker-logo-box img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
}

.vn-broker-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 2px;
}

.vn-broker-title a:hover {
  color: #d97706;
}

.vn-payout-type {
  font-size: 0.82rem;
  color: #64748b;
}

.vn-payout-type .type-dot {
  color: #16a34a;
  margin-right: 2px;
}

.vn-card-body {
  margin-bottom: 20px;
}

/* 1-Click Copy Referral Box */
.vn-ref-box {
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.vn-ref-label {
  font-size: 0.82rem;
  color: #64748b;
  font-weight: 600;
}

.btn-copy-ref {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #b45309;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: all 0.2s ease;
}

.btn-copy-ref:hover {
  border-color: #b45309;
  background: #fef8eb;
}

.copy-success-badge {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #ffffff;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn-copy-ref.copied .copy-success-badge {
  opacity: 1;
}

.vn-example-line {
  font-size: 0.88rem;
  color: #475569;
  display: flex;
  gap: 6px;
}

.vn-example-line .ex-lbl {
  color: #64748b;
  font-weight: 600;
}

.vn-example-line .ex-txt {
  font-weight: 700;
  color: #0f172a;
}

.vn-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
}

.vn-rebate-badge {
  display: flex;
  flex-direction: column;
}

.vn-rebate-badge .badge-sub {
  font-size: 0.75rem;
  color: #64748b;
  text-transform: uppercase;
  font-weight: 700;
}

.vn-rebate-badge .badge-rate {
  font-size: 1.35rem;
  font-weight: 900;
  color: #d97706;
  line-height: 1.1;
}

@media (max-width: 991px) {
  .broker-grid-vn {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .broker-grid-vn {
    grid-template-columns: 1fr;
  }
}

/* Why choose us 6 cards backcom.vn */
.why-grid-vn {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card-vn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 26px;
  transition: all 0.25s ease;
}

.why-card-vn:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
  border-color: #f4d38c;
}

.why-icon-vn {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fef8eb;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.why-title-vn {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 8px;
}

.why-desc-vn {
  font-size: 0.92rem;
  color: #64748b;
  line-height: 1.6;
}

@media (max-width: 991px) {
  .why-grid-vn {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why-grid-vn {
    grid-template-columns: 1fr;
  }
}

/* Testimonials 4 reviews backcom.vn */
.testi-grid-vn {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.testi-card-vn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testi-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testi-text-vn {
  font-size: 0.98rem;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 20px;
  font-style: italic;
}

.testi-user-vn {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testi-avatar-vn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.testi-name-vn {
  font-size: 1rem;
  font-weight: 800;
  color: #0f172a;
}

.testi-role-vn {
  font-size: 0.82rem;
  color: #64748b;
}

@media (max-width: 768px) {
  .testi-grid-vn {
    grid-template-columns: 1fr;
  }
}

/* Footer backcom.vn */
.site-footer-vn {
  background: #0f172a;
  color: #94a3b8;
  padding-top: 60px;
  padding-bottom: 30px;
}

.footer-warning-box-vn {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 14px;
  padding: 22px 26px;
  margin-bottom: 48px;
}

.warning-title-vn {
  font-size: 1rem;
  font-weight: 700;
  color: #f87171;
  margin-bottom: 8px;
}

.warning-text-vn {
  font-size: 0.88rem;
  line-height: 1.65;
  color: #94a3b8;
  margin: 0;
}

.footer-vn-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand-vn {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand-vn .brand-name-vn {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
}

.footer-desc-vn {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #94a3b8;
}

.footer-heading-vn {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-list-vn, .footer-contact-list-vn {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-list-vn a {
  color: #94a3b8;
  transition: color 0.2s ease;
}

.footer-list-vn a:hover {
  color: #f59e0b;
}

.footer-contact-list-vn li strong {
  color: #ffffff;
}

.footer-contact-list-vn a {
  color: #94a3b8;
}

.footer-contact-list-vn a:hover {
  color: #f59e0b;
}

.footer-copyright-vn {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 991px) {
  .footer-vn-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-vn-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   BROKER DETAIL PAGE (CHÍNH XÁC THEO BACKCOM.VN/SAN-GIAO-DICH/XM/)
   ========================================================================== */
.broker-detail-page-vn {
  background: #f8fafc;
  min-height: 100vh;
}

.breadcrumbs-vn {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #64748b;
}

.breadcrumbs-vn a {
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumbs-vn a:hover {
  color: #d97706;
}

.breadcrumbs-vn .bc-sep {
  color: #cbd5e1;
}

.breadcrumbs-vn .bc-current {
  color: #0f172a;
  font-weight: 600;
}

/* Detail Hero Header */
.broker-detail-hero-vn {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 36px 0 28px 0;
}

.detail-hero-main {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px auto;
}

.detail-hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: #0f172a;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.detail-hero-subtitle {
  font-size: 1.05rem;
  color: #64748b;
  margin-bottom: 24px;
}

.detail-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.btn-detail-guide {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 8px;
}

.btn-detail-guide:hover {
  background: #e2e8f0;
  color: #0f172a;
}

.btn-detail-register {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  font-weight: 700;
  padding: 10px 28px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
}

.btn-detail-register:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #ffffff;
}

/* 4 Parameter Strip */
.detail-params-strip-vn {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 18px 24px;
  max-width: 960px;
  margin: 0 auto;
}

.param-box-vn {
  text-align: center;
  position: relative;
}

.param-box-vn:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: #e2e8f0;
}

.param-lbl {
  font-size: 0.8rem;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.param-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.param-val.highlight-gold {
  color: #d97706;
  font-size: 1.35rem;
}

.btn-copy-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  color: #0f172a;
  position: relative;
  transition: all 0.2s;
}

.btn-copy-inline:hover {
  border-color: #f59e0b;
  background: #fffbeb;
  color: #d97706;
}

/* Detail Main Body Layout (Article + Sidebar) */
.detail-body-layout-vn {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  align-items: flex-start;
}

.detail-article-content-vn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 36px 40px;
}

/* TOC Box */
.toc-box-vn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid #f59e0b;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 36px;
}

.toc-title-vn {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.toc-list-vn {
  padding-left: 20px;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.toc-list-vn a {
  color: #334155;
  text-decoration: none;
  transition: color 0.2s;
}

.toc-list-vn a:hover {
  color: #d97706;
}

.toc-list-vn ol {
  padding-left: 20px;
  margin-top: 4px;
}

/* Rich Article Elements */
.article-rich-text-vn {
  font-size: 1rem;
  line-height: 1.75;
  color: #334155;
}

.article-rich-text-vn h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: #0f172a;
  margin-top: 36px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
}

.article-rich-text-vn h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-top: 24px;
  margin-bottom: 12px;
}

.article-rich-text-vn p {
  margin-bottom: 16px;
}

.article-rich-text-vn ul, .article-rich-text-vn ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-rich-text-vn li {
  margin-bottom: 8px;
}

.flow-callout-box {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-left: 4px solid #f59e0b;
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  color: #92400e;
  font-size: 0.95rem;
}

/* Author Box */
.author-box-vn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 24px;
  display: flex;
  gap: 18px;
  margin-top: 40px;
  align-items: flex-start;
}

.author-avatar-vn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-title-vn {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
}

.author-desc-vn {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #64748b;
  margin-bottom: 8px;
}

.author-updated-date {
  font-size: 0.8rem;
  color: #94a3b8;
  font-weight: 600;
}

/* Sidebar */
.detail-sidebar-vn {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card-vn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 22px;
}

.sidebar-heading-vn {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f1f5f9;
}

.sidebar-brokers-list-vn {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-broker-item-vn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px;
  transition: all 0.2s ease;
}

.sidebar-broker-item-vn:hover {
  border-color: #f59e0b;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.sidebar-broker-item-vn .sb-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.sidebar-broker-item-vn .sb-logo {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: #fffbeb;
  border: 1px solid #fef3c7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #d97706;
  overflow: hidden;
}

.sidebar-broker-item-vn .sb-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sidebar-broker-item-vn .sb-name {
  font-size: 0.95rem;
  font-weight: 800;
  margin: 0;
}

.sidebar-broker-item-vn .sb-name a {
  color: #0f172a;
  text-decoration: none;
}

.sidebar-broker-item-vn .sb-type {
  font-size: 0.75rem;
  color: #64748b;
}

.sidebar-broker-item-vn .sb-ref-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: #64748b;
}

.sidebar-broker-item-vn .sb-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed #e2e8f0;
  padding-top: 8px;
}

.sb-rate-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #d97706;
  background: #fffbeb;
  padding: 2px 8px;
  border-radius: 4px;
}

.sb-detail-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
}

.sb-detail-link:hover {
  color: #d97706;
}

.sidebar-support-box {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border: 1px solid #fde68a;
}

/* Responsive */
@media (max-width: 991px) {
  .detail-body-layout-vn {
    grid-template-columns: 1fr;
  }
  .detail-params-strip-vn {
    grid-template-columns: repeat(2, 1fr);
  }
  .param-box-vn:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 600px) {
  .detail-params-strip-vn {
    grid-template-columns: 1fr;
  }
  .param-box-vn::after {
    display: none !important;
  }
  .detail-article-content-vn {
    padding: 20px 16px;
  }
}

/* ==========================================================================
   HOMEPAGE HERO 2-COL & STATS (EXACT BACKCOM.VN)
   ========================================================================== */
.hero-section-backcom-vn {
  padding: 50px 0 40px 0;
  background: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

.hero-2col-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

.hero-col-left .hero-main-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.25;
  color: #0f172a;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-col-left .highlight-brokers {
  color: #d97706;
}

.hero-col-left .hero-main-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #475569;
  margin-bottom: 30px;
}

.btn-hero-cta {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 13px 32px;
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(217, 119, 6, 0.35);
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 119, 6, 0.45);
}

.hero-banner-image-wrap {
  text-align: center;
}

.hero-banner-img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.08));
}

/* 4 Highlight Stats Strip */
.hero-stats-strip-vn {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 28px;
}

.stat-card-item {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
}

.stat-card-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: #e2e8f0;
}

.stat-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-auto {
  background: #fef3c7;
  color: #d97706;
}

.icon-money {
  background: #dcfce7;
  color: #16a34a;
}

.icon-users {
  background: #dbeafe;
  color: #2563eb;
}

.icon-rating {
  background: #f3e8ff;
  color: #9333ea;
}

.stat-text-meta .stat-num {
  font-size: 1.45rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.2;
}

.stat-text-meta .stat-desc {
  font-size: 0.82rem;
  color: #64748b;
  font-weight: 500;
  margin-top: 2px;
}

/* ==========================================================================
   BROKER DIRECTORY GRID & CRISP CARDS (BACKCOM.VN)
   ========================================================================== */
.broker-section-vn {
  background: #f8fafc;
  padding: 60px 0;
}

.broker-filter-tabs-vn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}

.vn-tab-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #475569;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 8px 24px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vn-tab-btn:hover, .vn-tab-btn.active {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.broker-grid-vn {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vn-broker-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.vn-broker-card:hover {
  border-color: #f59e0b;
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(217, 119, 6, 0.12);
}

.vn-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.vn-broker-logo-box {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.vn-broker-logo-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.vn-broker-logo-box span {
  font-weight: 800;
  font-size: 1.15rem;
  color: #d97706;
}

.vn-broker-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 4px 0;
}

.vn-broker-title a {
  color: #0f172a;
  text-decoration: none;
}

.vn-payout-type {
  font-size: 0.82rem;
  color: #64748b;
}

.vn-payout-type .type-dot {
  color: #10b981;
  font-size: 0.75rem;
}

.vn-card-body {
  margin-bottom: 20px;
  flex-grow: 1;
}

.vn-ref-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.vn-ref-label {
  font-size: 0.82rem;
  color: #64748b;
  font-weight: 600;
}

.vn-example-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  padding: 0 4px;
}

.vn-example-line .ex-lbl {
  color: #64748b;
  font-weight: 600;
}

.vn-example-line .ex-txt {
  color: #0f172a;
  font-weight: 700;
}

.vn-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
}

.vn-rebate-badge {
  display: flex;
  flex-direction: column;
}

.vn-rebate-badge .badge-sub {
  font-size: 0.75rem;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
}

.vn-rebate-badge .badge-rate {
  font-size: 1.35rem;
  font-weight: 900;
  color: #d97706;
  line-height: 1.1;
}

.vn-card-btn {
  font-weight: 700;
  font-size: 0.88rem;
  padding: 8px 18px;
  border-radius: 6px;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 991px) {
  .hero-2col-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-stats-strip-vn {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-card-item:nth-child(2)::after {
    display: none;
  }
  .broker-grid-vn {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hero-col-left .hero-main-title {
    font-size: 2rem;
  }
  .hero-stats-strip-vn {
    grid-template-columns: 1fr;
  }
  .stat-card-item::after {
    display: none !important;
  }
  .broker-grid-vn {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ABOUT 2-COL LAYOUT (BACKCOM LÀ GÌ - LEFT TEXT, RIGHT IMAGE)
   ========================================================================== */
.about-section-vn {
  background: #ffffff;
  border-top: 1px solid #f1f5f9;
  border-bottom: 1px solid #f1f5f9;
  padding: 70px 0;
}

.about-2col-layout-vn {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: flex-start;
}

.about-main-title-vn {
  font-size: 2.3rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.about-lead-desc-vn {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 14px;
}

.about-sub-desc-vn {
  font-size: 1rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 28px;
}

.about-subcard-box-vn {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 32px;
}

.about-subcard-title-vn {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 14px;
}

.about-subcard-desc-vn {
  font-size: 0.95rem;
  line-height: 1.75;
  color: #475569;
  margin-bottom: 20px;
}

.about-methods-heading-vn {
  font-size: 1.1rem;
  font-weight: 800;
  color: #b45309;
  margin: 20px 0 12px 0;
}

.about-methods-list-vn {
  padding-left: 20px;
  line-height: 1.75;
  color: #334155;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.about-methods-list-vn li {
  margin-bottom: 10px;
}

.about-example-box-vn {
  background: #ffffff;
  border: 1px solid #fde68a;
  border-left: 4px solid #f59e0b;
  border-radius: 10px;
  padding: 18px 22px;
  margin-bottom: 20px;
}

.about-example-box-vn .ex-title {
  color: #0f172a;
  display: block;
  margin-bottom: 6px;
  font-size: 0.98rem;
  font-weight: 800;
}

.about-example-box-vn .ex-desc {
  margin: 0;
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
}

.about-guarantee-note-vn {
  font-size: 0.88rem;
  color: #64748b;
  line-height: 1.65;
  padding-top: 10px;
  border-top: 1px dashed #cbd5e1;
}

.about-col-right-vn {
  position: sticky;
  top: 100px;
}

.about-image-sticky-wrapper {
  text-align: center;
  background: #ffffff;
  border-radius: 20px;
  padding: 10px;
}

.about-graphic-img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: 16px;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.08));
}

@media (max-width: 991px) {
  .about-2col-layout-vn {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-col-right-vn {
    position: static;
    order: -1;
  }
  .about-subcard-box-vn {
    padding: 24px 18px;
  }
}