/* roulang page: index */
:root {
  --primary: #FF6B2B;
  --primary-dark: #E4551D;
  --secondary: #1E5B57;
  --bg-white: #FFFFFF;
  --bg-light: #F5F7F9;
  --bg-dark: #101418;
  --text-primary: #11161C;
  --text-secondary: #454C54;
  --text-muted: #848B93;
  --border: #E7EAEE;
  --success: #1D7A3E;
  --warning: #D97706;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 10px 24px rgba(0, 0, 0, 0.08);
  --transition: all 0.2s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: var(--bg-white);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary);
}

button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 1199px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ======= Buttons ======= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid transparent;
  line-height: 1.4;
  font-family: var(--font-stack);
}

.btn-primary {
  background: var(--primary);
  color: #fff !important;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 107, 43, 0.28);
  color: #fff !important;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: #D4D9DE;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 107, 43, 0.05);
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 7px 18px;
  font-size: 14px;
}

.btn .bi {
  font-size: 14px;
}

/* ======= Header ======= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-white);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.header-top {
  height: 64px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand-logo__mark {
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.5px;
}

.brand-logo__text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

@media (max-width: 767px) {
  .brand-logo__text {
    font-size: 15px;
  }
  .brand-logo__mark {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
}

.header-top__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: transparent;
  transition: var(--transition);
  font-size: 16px;
}

.icon-btn:hover {
  background: var(--bg-light);
  color: var(--primary);
}

.header-nav {
  background: var(--bg-dark);
  height: 48px;
}

.header-nav__list {
  display: flex;
  align-items: center;
  height: 48px;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-wrap: nowrap;
}

.header-nav__list::-webkit-scrollbar {
  display: none;
}

.header-nav__list a {
  display: inline-flex;
  align-items: center;
  padding: 0 22px;
  height: 48px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.header-nav__list a:hover {
  color: #fff;
  transform: translateY(1px);
}

.header-nav__list a.active {
  color: #fff;
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.header-nav__list a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 20px;
  background: transparent;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: var(--bg-light);
  color: var(--primary);
}

@media (max-width: 991px) {
  .header-top {
    height: 60px;
    border-bottom: none;
  }
  .header-nav {
    display: none;
    height: auto;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  .header-nav.open {
    display: block;
  }
  .header-nav__list {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 8px 0;
    gap: 0;
  }
  .header-nav__list a {
    height: 46px;
    padding: 0 24px;
    color: var(--text-primary);
    border-bottom: none;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    font-weight: 500;
  }
  .header-nav__list a:hover {
    color: var(--primary);
    background: var(--bg-light);
    transform: none;
  }
  .header-nav__list a.active {
    color: var(--primary);
    border-left-color: var(--primary);
    background: rgba(255, 107, 43, 0.05);
  }
  .header-nav__list a.active::after {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .header-top__actions .btn-sm {
    display: none;
  }
}

/* ======= Hero ======= */
.hero {
  position: relative;
  min-height: 640px;
  height: 90vh;
  background: linear-gradient(100deg, rgba(16, 20, 24, 0.95) 0%, rgba(16, 20, 24, 0.82) 45%, rgba(16, 20, 24, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(16, 20, 24, 0.15) 0%, transparent 40%, transparent 70%, rgba(16, 20, 24, 0.6) 100%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero__content {
  max-width: 700px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 43, 0.12);
  border: 1px solid rgba(255, 107, 43, 0.35);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero__badge .bi {
  font-size: 14px;
}

.hero__title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero__title .highlight {
  color: var(--primary);
}

.hero__title-sub {
  display: block;
  font-size: 20px;
  font-weight: 400;
  color: #A6ADB5;
  margin-top: 12px;
  line-height: 1.5;
}

.hero__desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.4);
  font-size: 22px;
  animation: scrollBounce 2s infinite;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hero__scroll .bi {
  font-size: 18px;
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.3;
  }
  50% {
    transform: translateX(-50%) translateY(8px);
    opacity: 0.8;
  }
}

@media (max-width: 991px) {
  .hero {
    height: auto;
    min-height: 560px;
    padding: 100px 0 120px;
    background: linear-gradient(rgba(16, 20, 24, 0.85), rgba(16, 20, 24, 0.9)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  }
  .hero__title {
    font-size: 36px;
  }
  .hero__title-sub {
    font-size: 17px;
  }
  .hero__desc {
    font-size: 15px;
  }
}

@media (max-width: 767px) {
  .hero {
    padding: 80px 0 100px;
    min-height: 500px;
  }
  .hero__title {
    font-size: 30px;
  }
  .hero__title-sub {
    font-size: 16px;
  }
  .hero__desc {
    font-size: 15px;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Hero animation on load */
.hero__badge,
.hero__title,
.hero__desc,
.hero__actions {
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
}

.hero__badge {
  animation-delay: 0.1s;
}

.hero__title {
  animation-delay: 0.2s;
}

.hero__desc {
  animation-delay: 0.35s;
}

.hero__actions {
  animation-delay: 0.5s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ======= Section common ======= */
.section {
  padding: 80px 0;
}

.section--light {
  background: var(--bg-light);
}

.section--dark {
  background: var(--bg-dark);
  color: #fff;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section__label::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.section__title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.section--dark .section__title {
  color: #fff;
}

.section__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 720px;
}

.section--dark .section__desc {
  color: rgba(255, 255, 255, 0.7);
}

.section__head-centered {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section__head-centered .section__label {
  justify-content: center;
}

.section__head-centered .section__label::before {
  display: none;
}

.section__head-centered .section__desc {
  margin: 0 auto;
}

@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }
  .section__title {
    font-size: 26px;
  }
  .section__head-centered {
    margin-bottom: 36px;
  }
}

/* ======= Value proposition ======= */
.value-tags {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.value-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.value-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.value-tag .bi {
  color: var(--primary);
  font-size: 15px;
}

@media (max-width: 767px) {
  .value-tag {
    font-size: 13px;
    padding: 6px 14px;
  }
}

/* ======= Feature rows ======= */
.feature-row {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 48px 0;
}

.feature-row__content {
  flex: 0 0 46%;
  max-width: 46%;
}

.feature-row__media {
  flex: 1;
  position: relative;
}

.feature-row__num {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.feature-row__title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
  line-height: 1.35;
}

.feature-row__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.feature-row__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-row__media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.4s ease;
}

.feature-row__media:hover img {
  transform: scale(1.02);
}

.feature-row__floating {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  backdrop-filter: blur(6px);
}

.feature-row__floating .bi {
  color: var(--primary);
}

@media (max-width: 991px) {
  .feature-row {
    flex-direction: column;
    gap: 24px;
    padding: 32px 0;
  }
  .feature-row--reverse {
    flex-direction: column-reverse;
  }
  .feature-row__content {
    flex: none;
    max-width: 100%;
  }
  .feature-row__media img {
    height: 260px;
  }
}

@media (max-width: 767px) {
  .feature-row__title {
    font-size: 22px;
  }
}

/* ======= Scenario cards ======= */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  gap: 18px;
}

.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 107, 43, 0.3);
}

.scenario-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 107, 43, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.scenario-card__body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.scenario-card__body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.scenario-card__arrow {
  position: absolute;
  top: 26px;
  right: 22px;
  color: #C6CDD4;
  font-size: 18px;
  transition: var(--transition);
}

.scenario-card:hover .scenario-card__arrow {
  transform: translateX(4px);
  color: var(--primary);
}

@media (max-width: 991px) {
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }
}

/* ======= Stats section ======= */
.stats-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.stats-left {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 107, 43, 0.4);
}

.stat-item__num {
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.stat-item__text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

.stats-right {
  padding-left: 24px;
}

.stats-right .section__title {
  margin-bottom: 20px;
}

.stats-right .section__desc {
  margin-bottom: 28px;
}

.stats-quotes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-quote {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}

.stat-quote p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 6px;
}

.stat-quote footer {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 991px) {
  .stats-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-right {
    padding-left: 0;
  }
}

@media (max-width: 767px) {
  .stats-left {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-item__num {
    font-size: 34px;
  }
}

/* ======= News / CMS list ======= */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.news-card__thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #EAECEE;
}

.news-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-card__thumb img {
  transform: scale(1.04);
}

.news-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.25), transparent 60%);
}

.news-card__badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  z-index: 2;
  letter-spacing: 0.5px;
}

.news-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}

.news-card__excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.news-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  font-size: 13px;
}

.news-card__date {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.news-card__more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.news-card__more .bi {
  font-size: 12px;
  transition: var(--transition);
}

.news-card__more:hover {
  color: var(--primary);
}

.news-card__more:hover .bi {
  transform: translateX(3px);
}

.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 15px;
}

.news-empty .bi {
  font-size: 28px;
  display: block;
  margin-bottom: 12px;
  color: #C6CDD4;
}

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

@media (max-width: 767px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* ======= Pricing ======= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.pricing-card--featured {
  border-top: 4px solid var(--primary);
  padding-top: 30px;
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.pricing-card__price {
  font-size: 38px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.pricing-card__price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pricing-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}

.pricing-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 7px 0;
  line-height: 1.5;
}

.pricing-card__list .bi {
  color: var(--secondary);
  font-size: 15px;
  margin-top: 2px;
  flex-shrink: 0;
}

.pricing-card__list .bi-x-circle {
  color: #C6CDD4;
}

@media (max-width: 991px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-card--featured {
    order: -1;
  }
}

/* ======= FAQ ======= */
.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
  transition: var(--transition);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.faq-item__header:hover {
  color: var(--primary);
  border-left-color: var(--primary);
}

.faq-item__header .faq-icon {
  font-size: 18px;
  color: var(--text-muted);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-light);
  flex-shrink: 0;
}

.faq-item__header:hover .faq-icon {
  color: var(--primary);
  background: rgba(255, 107, 43, 0.1);
}

.faq-item__checkbox {
  display: none;
}

.faq-item__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 16px 0 32px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item__content p {
  margin-bottom: 0;
  padding-bottom: 20px;
}

.faq-item__checkbox:checked ~ .faq-item__content {
  max-height: 300px;
}

.faq-item__checkbox:checked ~ .faq-item__header .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
  background: rgba(255, 107, 43, 0.1);
}

.faq-item__checkbox:checked ~ .faq-item__header {
  border-left-color: var(--primary);
  color: var(--text-primary);
}

.faq-item__checkbox:focus-visible ~ .faq-item__header {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

@media (max-width: 767px) {
  .faq-item__header {
    font-size: 15px;
    padding: 18px 12px;
  }
  .faq-item__content {
    padding: 0 12px 0 18px;
    font-size: 14px;
  }
}

/* ======= CTA ======= */
.cta-section {
  background: linear-gradient(135deg, #101418 0%, #1a2026 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(255, 107, 43, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 0;
}

.cta-section .btn-primary {
  flex-shrink: 0;
}

@media (max-width: 991px) {
  .cta-section__inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-section p {
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  .cta-section {
    padding: 48px 0;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .cta-section p {
    font-size: 14px;
  }
  .cta-section .btn {
    width: 100%;
  }
}

/* ======= Footer ======= */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}

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

.footer-brand__mark {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand__text {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.footer-contact .bi {
  color: var(--primary);
  font-size: 15px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--primary);
}

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

@media (max-width: 767px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ======= Focus accessibility ======= */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 43, 0.14);
}

/* ======= Reveal on scroll ======= */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ======= Misc utilities ======= */
.text-primary-custom {
  color: var(--primary) !important;
}

.bg-light-custom {
  background: var(--bg-light) !important;
}

.mt-5-custom {
  margin-top: 40px;
}

.mb-5-custom {
  margin-bottom: 40px;
}

/* roulang page: article */
:root {
    --primary: #FF6B2B;
    --primary-dark: #E4551D;
    --secondary: #1E5B57;
    --dark: #101418;
    --white: #FFFFFF;
    --bg-light: #F5F7F9;
    --text-main: #11161C;
    --text-mid: #454C54;
    --text-mute: #848B93;
    --border: #E7EAEE;
    --success: #1D7A3E;
    --warning: #D97706;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,.03);
    --shadow-hover: 0 10px 24px rgba(0,0,0,.08);
    --font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    --max-width: 1200px;
    --spacing-section: 80px;
    --spacing-section-mobile: 48px;
    --transition: all .2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);background:var(--white);color:var(--text-main);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
.btn{border-radius:var(--radius-sm);font-weight:600;padding:10px 24px;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(255,107,43,.14)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(255,107,43,.25)}
.btn-primary:active{transform:translateY(0);background:var(--primary-dark)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--dark);border-color:#fff;transform:translateY(-2px)}
.btn-outline-secondary{background:#fff;border:1px solid #D4D9DE;color:var(--text-main)}
.btn-outline-secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.container{max-width:var(--max-width);padding-left:24px;padding-right:24px;margin:0 auto}
.header-nav__container{max-width:var(--max-width);margin:0 auto;padding-left:24px;padding-right:24px}
@media(max-width:767px){.container,.header-nav__container{padding-left:16px;padding-right:16px}}
@media(max-width:1199px){.container,.header-nav__container{padding-left:20px;padding-right:20px}}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.brand-row{background:#fff;border-bottom:1px solid var(--border)}
.brand-row__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo:hover{color:inherit}
.brand-logo__badge{width:36px;height:36px;background:var(--dark);color:var(--primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;border-radius:8px;letter-spacing:.5px}
.brand-logo__text{font-size:18px;font-weight:700;color:var(--text-main);white-space:nowrap;letter-spacing:.3px}
.brand-logo__text .highlight{color:var(--primary)}
.brand-logo__sub{font-size:11px;color:var(--text-mute);display:block;font-weight:400;letter-spacing:1px}
.brand-row__actions{display:flex;align-items:center;gap:16px}
.lang-switch{font-size:13px;color:var(--text-mid);font-weight:600;padding:4px 10px;border:1px solid var(--border);border-radius:20px;transition:var(--transition)}
.lang-switch:hover{color:var(--primary);border-color:var(--primary)}
.search-btn{background:none;border:none;color:var(--text-mid);font-size:16px;padding:6px;transition:var(--transition)}
.search-btn:hover{color:var(--primary)}
.btn-pill{border-radius:24px;padding:8px 20px;font-size:14px}
.header-nav{background:var(--dark)}
.header-nav__list{list-style:none;display:flex;align-items:center;height:48px;margin:0;padding:0;white-space:nowrap}
.header-nav__list li{margin:0}
.header-nav__list a{display:inline-flex;align-items:center;height:48px;padding:0 24px;color:rgba(255,255,255,.7);font-size:14px;font-weight:500;position:relative;transition:var(--transition);letter-spacing:.5px}
.header-nav__list a:first-child{padding-left:0}
.header-nav__list a::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--primary);transform:scaleX(0);transform-origin:center;transition:transform .2s ease;border-radius:3px 3px 0 0}
.header-nav__list a:hover{color:#fff}
.header-nav__list a:hover::after{transform:scaleX(.85)}
.header-nav__list a.active{color:#fff;font-weight:600}
.header-nav__list a.active::after{transform:scaleX(1)}
.header-nav__list li:first-child a::before,.header-nav__list a:first-child::before{display:none}
.scroll-hint{display:inline-block;padding:0 8px;color:rgba(255,255,255,.35);animation:hintMove 2s ease-in-out infinite}
@keyframes hintMove{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(8px);opacity:1}}

/* ===== Breadcrumb ===== */
.breadcrumb-bar{background:#fff;padding:20px 0 0;border-bottom:1px solid var(--border)}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:13px;color:var(--text-mute);margin:0;padding:0 0 16px}
.breadcrumb li{display:flex;align-items:center;gap:4px}
.breadcrumb a{color:var(--text-mute);transition:var(--transition)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C9CED4;margin:0 2px}
.breadcrumb .current{color:var(--text-mid);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Article Header ===== */
.article-header{background:var(--white);padding:40px 0 16px}
.article-header__inner{max-width:820px;margin:0 auto}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:14px;font-size:13px;color:var(--text-mute)}
.article-meta__cat{background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:4px;letter-spacing:.5px}
.article-meta__source{display:inline-flex;align-items:center;gap:6px;color:var(--text-mid);font-weight:600}
.article-meta__source i{color:var(--primary);font-size:11px}
.article-meta__date{display:inline-flex;align-items:center;gap:5px}
.article-header__title{font-size:34px;line-height:1.4;font-weight:700;color:var(--text-main);margin:0;letter-spacing:-.3px}
.article-header__excerpt{margin-top:16px;font-size:16px;color:var(--text-mid);line-height:1.8;max-width:760px}

/* ===== Article Main ===== */
.article-main{background:var(--white);padding:32px 0 64px}
.article-wrap{max-width:780px;margin:0 auto;padding-left:16px;padding-right:16px}
.article-body{font-size:16px;color:var(--text-main);line-height:1.85}
.article-body p{margin-bottom:1.5em}
.article-body h2{font-size:28px;font-weight:700;margin:48px 0 18px;line-height:1.4;padding-bottom:10px;border-bottom:1px solid var(--border)}
.article-body h3{font-size:22px;font-weight:700;margin:36px 0 14px;line-height:1.4}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.6em}
.article-body li{margin-bottom:.6em}
.article-body blockquote{margin:1.8em 0;padding:18px 22px;background:var(--bg-light);border-left:4px solid var(--primary);border-radius:0 8px 8px 0;color:var(--text-mid);font-size:15px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:8px;margin:24px auto;max-width:100%}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-mute);text-align:center;margin-top:8px}
.article-body a{color:var(--text-main);text-decoration:underline;text-decoration-color:var(--primary);text-underline-offset:3px;text-decoration-thickness:2px}
.article-body a:hover{color:var(--primary)}
.article-body iframe,.article-body video,.article-body embed{width:100%;aspect-ratio:16/9;border-radius:8px;border:none;display:block;margin:24px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body table th{background:var(--bg-light);font-weight:600}
.article-body hr{margin:32px 0;border:none;border-top:1px solid var(--border)}
.article-body .quote-note{background:var(--bg-light);border-left:3px solid var(--warning);padding:14px 18px;border-radius:0 8px 8px 0;font-size:14px;color:var(--text-mid);margin:20px 0}
.article-empty{text-align:center;padding:80px 20px;background:var(--bg-light);border-radius:var(--radius)}
.article-empty__icon{font-size:56px;color:#CBD2D9;margin-bottom:18px}
.article-empty h2{font-size:24px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--text-mute);margin-bottom:22px;font-size:14px}

/* ===== Article Footer Nav ===== */
.article-bottom-nav{margin-top:48px;padding-top:28px;border-top:1px solid var(--border);display:flex;justify-content:flex-end}
.btn-back{gap:8px}

/* ===== Related Section ===== */
.related-section{background:var(--bg-light);padding:var(--spacing-section) 0}
.section-head{text-align:center;margin-bottom:44px}
.section-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--primary);background:rgba(255,107,43,.08);padding:4px 14px;border-radius:20px;margin-bottom:10px}
.section-head h2{font-size:32px;font-weight:700;color:var(--text-main);margin:0}
.section-head .section-sub{max-width:460px;margin:10px auto 0;color:var(--text-mute);font-size:14px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DFE4E8}
.post-card__thumb{position:relative;padding-top:75%;background:#EAECEE;overflow:hidden}
.post-card__thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-card__thumb img{transform:scale(1.02)}
.post-card__badge{position:absolute;left:12px;bottom:12px;background:var(--primary);color:#fff;font-size:12px;font-weight:600;padding:3px 10px;border-radius:4px;z-index:2}
.post-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-card__title{font-size:16px;font-weight:600;line-height:1.5;color:var(--text-main);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__title a{color:inherit}
.post-card__title a:hover{color:var(--primary)}
.post-card__excerpt{font-size:13px;color:var(--text-mute);line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--text-mute);border-top:1px solid var(--border);padding-top:12px}
.post-card__meta .date{display:inline-flex;align-items:center;gap:5px}
.read-more{color:var(--text-mid);font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:4px;transition:var(--transition)}
.read-more i{transition:transform .2s ease;font-size:11px}
.read-more:hover{color:var(--primary)}
.read-more:hover i{transform:translateX(4px)}

/* ===== CTA Section ===== */
.cta-section{background:var(--dark);position:relative;padding:72px 0;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.12}
.cta-box{position:relative;text-align:center;max-width:680px;margin:0 auto;padding:0 20px}
.cta-box h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--dark);padding:64px 0 0;color:rgba(255,255,255,.65)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-logo__badge{background:#1D2228;border:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-logo__text{color:#fff}
.footer-brand p{font-size:13px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.5)}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.55);font-size:13px;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-col .contact-item{color:rgba(255,255,255,.55);font-size:13px;display:flex;align-items:center;gap:8px}
.footer-domain{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.5);font-size:13px;font-family:'Consolas','Monaco',monospace}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}
.footer-bottom .container{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}

/* ===== Animations ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.hero-anim-1{animation:fadeUp .6s ease both}
.hero-anim-2{animation:fadeUp .6s .1s ease both}
.hero-anim-3{animation:fadeUp .6s .2s ease both}

/* ===== Responsive ===== */
@media(max-width:1199px){
    :root{--spacing-section:64px}
    .header-nav__list a{padding:0 18px}
}
@media(max-width:991px){
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .article-header__title{font-size:28px}
    .brand-logo__sub{display:none}
}
@media(max-width:767px){
    :root{--spacing-section:var(--spacing-section-mobile)}
    .brand-row__inner{height:56px}
    .brand-logo__text{font-size:15px}
    .brand-logo__badge{width:30px;height:30px;font-size:13px}
    .lang-switch{display:none}
    .btn-pill{padding:6px 14px;font-size:13px}
    .header-nav__list{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
    .header-nav__list::-webkit-scrollbar{display:none}
    .header-nav__list a{padding:0 16px;font-size:13px}
    .header-nav__list a:first-child{padding-left:0}
    .breadcrumb-bar{padding-top:12px}
    .breadcrumb{padding-bottom:12px;font-size:12px}
    .breadcrumb .current{max-width:160px}
    .article-header{padding:24px 0 8px}
    .article-header__title{font-size:24px;line-height:1.5}
    .article-meta{font-size:12px;gap:8px}
    .article-main{padding:24px 0 40px}
    .article-body{font-size:15px;line-height:1.8}
    .article-body h2{font-size:23px;margin-top:36px}
    .article-body h3{font-size:19px}
    .article-body blockquote{padding:14px 16px}
    .article-body table{display:block;overflow-x:auto}
    .related-grid{grid-template-columns:1fr;gap:16px}
    .section-head h2{font-size:26px}
    .cta-box h2{font-size:24px}
    .cta-actions .btn{width:100%;max-width:280px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom .container{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root {
  --primary: #FF6B2B;
  --primary-dark: #E4551D;
  --teal: #1E5B57;
  --bg-white: #FFFFFF;
  --bg-light: #F5F7F9;
  --bg-dark: #101418;
  --text-main: #11161C;
  --text-sub: #454C54;
  --text-muted: #848B93;
  --border: #E7EAEE;
  --success: #1D7A3E;
  --warning: #D97706;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 24px rgba(0,0,0,0.08);
  --container-max: 1200px;
  --font-stack: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}

a:hover { color: var(--primary); }

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

button, input, select { font-family: inherit; }

button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid rgba(255, 107, 43, .28);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: var(--container-max);
  padding-left: 24px;
  padding-right: 24px;
}

.section { padding: 80px 0; }

.bg-light { background: var(--bg-light); }
.bg-dark { background: var(--bg-dark); color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: all .2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  border-color: #D4D9DE;
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: #11161C;
}

.btn-light:hover {
  background: #f0f0f0;
  color: #11161C;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.7);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: 4px;
  background: var(--primary);
  color: #fff;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--primary);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-tag.light { color: var(--primary); }

.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.section-head.center { text-align: center; max-width: 720px; margin: 0 auto; }

.section-head p {
  margin-top: 14px;
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}

.section-head.center p { margin-left: auto; margin-right: auto; }

.site-header {
  background: var(--bg-white);
}

.header-top {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
  white-space: nowrap;
}

.brand:hover { color: var(--text-main); }

.brand-logo { color: var(--primary); font-size: 20px; }

.brand-sub { color: var(--text-main); font-size: 14px; letter-spacing: .02em; }

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

.search-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  border-radius: 50%;
  color: var(--text-sub);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}

.search-toggle:hover { border-color: var(--primary); color: var(--primary); }

.header-actions .btn { padding: 8px 20px; font-size: 14px; }

.header-nav {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.header-nav__list {
  display: flex;
  list-style: none;
  height: 48px;
  padding: 0;
  margin: 0;
}

.header-nav__list li { display: flex; align-items: center; }

.header-nav__list a {
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding: 0 28px;
  font-size: 15px;
  color: rgba(255,255,255,.7);
  position: relative;
  white-space: nowrap;
  transition: color .2s ease;
}

.header-nav__list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transform: translateY(3px);
  transition: all .25s ease;
}

.header-nav__list a:hover { color: #fff; }
.header-nav__list a:hover::after { opacity: .7; transform: translateY(0); }

.header-nav__list a.active { color: #fff; font-weight: 600; }
.header-nav__list a.active::after { opacity: 1; transform: translateY(0); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.page-header {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 52px 0;
}

.page-header__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}

.page-header h1 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin: 0;
  flex-shrink: 0;
}

.page-header p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 420px;
  margin: 0;
  padding-top: 6px;
}

.value-section { padding: 72px 0 56px; }

.value-points {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 0;
}

.value-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  transition: all .2s ease;
}

.value-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #fff;
}

.value-chip i { color: var(--primary); font-size: 13px; }

.value-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 20px;
  text-align: center;
}

.stat-item + .stat-item { border-left: 1px solid var(--border); }

.stat-num {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-item span:last-child {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.feature-block { padding: 72px 0; }

.feature-block.alt { background: var(--bg-light); }

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

.feature-row.reverse .feature-media { order: -1; }

.feature-text .feature-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--teal);
  display: block;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.feature-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
}

.feature-text p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.8;
}

.feature-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}

.feature-media:hover img { transform: scale(1.02); }

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16,20,24,0) 50%, rgba(16,20,24,.24) 100%);
  pointer-events: none;
}

.feature-media .mini-card {
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.scenario-section { background: var(--bg-light); }

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.scenario-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}

.scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.scenario-card .scenario-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,107,43,.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}

.scenario-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0;
}

.scenario-card .scenario-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 14px;
  color: var(--text-muted);
  transition: transform .25s ease, color .25s ease;
}

.scenario-card:hover .scenario-arrow {
  transform: translateX(4px);
  color: var(--primary);
}

.content-section { padding: 72px 0; }

.content-list { margin-top: 48px; }

.content-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}

.content-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.content-card--featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  margin-bottom: 24px;
}

.content-card__media {
  position: relative;
  overflow: hidden;
}

.content-card__media img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}

.content-card:hover .content-card__media img { transform: scale(1.03); }

.content-card__media .badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
}

.content-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.content-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.content-card__body > p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}

.content-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: auto;
}

.content-card__meta .tag {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-sub);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 14px;
  border-bottom: 1px solid var(--primary);
  padding-bottom: 2px;
  transition: all .25s ease;
}

.read-more i { transition: transform .25s ease; }

.read-more:hover { color: var(--primary); }
.read-more:hover i { transform: translateX(4px); }

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.content-grid .content-card__body h3 { font-size: 17px; }
.content-grid .content-card__media img { min-height: 180px; }

.process-section {
  background: var(--bg-dark);
  color: #fff;
  padding: 72px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: center;
}

.process-left .section-tag { color: var(--primary); }

.process-left h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.35;
}

.process-left p {
  font-size: 15px;
  color: rgba(255,255,255,.72);
  line-height: 1.8;
}

.process-steps { display: flex; flex-direction: column; gap: 0; }

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.process-step:first-child { padding-top: 0; }

.process-step .step-num {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,107,43,.4);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,107,43,.08);
}

.process-step h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin: 0;
  line-height: 1.6;
}

.faq-section { padding: 72px 0; }

.faq-section .section-head { margin-bottom: 40px; }

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  transition: border-color .3s ease;
}

.faq-item.active { border-left-color: var(--primary); }

.faq-item .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 4px;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: color .2s ease;
}

.faq-item .faq-q:hover { color: var(--primary); }

.faq-item .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-sub);
  transition: all .3s ease;
  background: var(--bg-white);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  color: var(--primary);
}

.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 4px;
}

.faq-item.active .faq-a {
  max-height: 320px;
  padding: 0 4px 20px;
}

.faq-item .faq-a p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
}

.cta-section {
  background: var(--primary);
  color: #fff;
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity: .18;
}

.cta-section .container { position: relative; z-index: 1; }

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.9);
  max-width: 560px;
  margin: 0 auto 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.6);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .brand {
  color: #fff;
  font-size: 18px;
  margin-bottom: 14px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.52);
  margin-top: 14px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul a {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  transition: all .2s ease;
}

.footer-col ul a:hover { color: var(--primary); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}

.footer-contact i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 14px;
}

.footer-bottom {
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.4);
  text-align: center;
}

.img-placeholder {
  background: #EAECEE;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: #9AA0A6;
  font-size: 14px;
}

@media (max-width: 1199.98px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .header-nav__list a { padding: 0 22px; }
}

@media (max-width: 991.98px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
  }

  .header-top { height: 60px; }

  .header-nav {
    position: static;
    background: var(--bg-dark);
  }

  .header-nav .container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 48px;
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-nav__list {
    display: none;
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    height: auto;
    padding: 8px 0;
    border-top: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 12px 24px rgba(0,0,0,.24);
  }

  .header-nav__list.open { display: flex; }

  .header-nav__list li { display: block; }

  .header-nav__list a {
    display: flex;
    align-items: center;
    height: 46px;
    padding: 0 24px;
    font-size: 15px;
    width: 100%;
  }

  .header-nav__list a::after { display: none; }

  .header-nav__list a.active {
    color: var(--primary);
    background: rgba(255,107,43,.06);
    border-left: 3px solid var(--primary);
  }

  .page-header__inner { flex-direction: column; gap: 12px; }
  .page-header h1 { font-size: 32px; }
  .page-header p { max-width: 100%; }

  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse .feature-media { order: 0; }
  .feature-media img { height: 260px; }

  .process-grid { grid-template-columns: 1fr; gap: 40px; }

  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .section { padding: 48px 0; }

  .section-head h2 { font-size: 28px; }
  .feature-text h3 { font-size: 24px; }

  .value-stats { grid-template-columns: 1fr; }
  .stat-item + .stat-item { border-left: none; border-top: 1px solid var(--border); }
  .stat-num { font-size: 34px; }

  .scenario-grid { grid-template-columns: 1fr; gap: 16px; }
  .scenario-card { padding: 22px; }

  .content-card--featured { grid-template-columns: 1fr; }
  .content-card__media img { min-height: 180px; }
  .content-grid { grid-template-columns: 1fr; gap: 16px; }

  .process-step { flex-direction: column; gap: 12px; }
  .process-step .step-num { width: 34px; height: 34px; font-size: 14px; }

  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 320px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 575.98px) {
  .brand-sub { display: none; }
  .header-actions .btn { padding: 6px 14px; font-size: 13px; }
  .search-toggle { width: 36px; height: 36px; font-size: 13px; }
}

/* roulang page: category2 */
:root {
            --primary: #FF6B2B;
            --primary-dark: #E4551D;
            --teal: #1E5B57;
            --bg-white: #FFFFFF;
            --bg-gray: #F5F7F9;
            --bg-dark: #101418;
            --text-main: #11161C;
            --text-body: #454C54;
            --text-weak: #848B93;
            --border: #E7EAEE;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.03);
            --shadow-hover: 0 10px 24px rgba(0, 0, 0, 0.08);
            --transition: all 0.2s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            color: var(--text-body);
            background-color: var(--bg-white);
            line-height: 1.7;
            margin: 0;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 640px;
            line-height: 1.8;
        }
        .text-weak {
            color: var(--text-weak);
        }
        .btn-main {
            background-color: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-main:hover,
        .btn-main:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 43, 0.3);
        }
        .btn-main:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-custom {
            background: #fff;
            border: 1px solid #d4d9de;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .icon-btn {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            transition: var(--transition);
            cursor: pointer;
        }
        .icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .card-hover {
            transition: var(--transition);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: #fff;
            box-shadow: var(--shadow-card);
        }
        .card-hover:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        /* ===== Header ===== */
        .site-header {
            position: relative;
            z-index: 1030;
        }
        .header-main {
            background: #fff;
            border-bottom: 1px solid var(--border);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-logo__mark {
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            border-radius: 8px;
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.03em;
        }
        .brand-logo__text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .header-actions {
            gap: 12px;
        }
        .header-main__toggle {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 8px;
            color: var(--text-main);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .header-main__toggle:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .header-nav {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 1020;
            min-height: 48px;
        }
        .header-nav__list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 28px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .header-nav__list::-webkit-scrollbar {
            display: none;
        }
        .header-nav__list li {
            flex-shrink: 0;
        }
        .header-nav__list a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            padding: 14px 0 12px;
            display: block;
            border-bottom: 2px solid transparent;
            line-height: 1.4;
            transition: var(--transition);
        }
        .header-nav__list a:hover {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.4);
            transform: translateY(1px);
        }
        .header-nav__list a.active {
            color: #fff;
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav-wrap {
            padding: 16px 24px 24px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-nav li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav li:last-child {
            border-bottom: none;
        }
        .mobile-nav a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
        }
        .mobile-nav a:hover {
            color: var(--primary);
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav__cta {
            padding-top: 12px;
            border-top: 1px solid var(--border);
            margin-top: 4px;
        }
        /* ===== Page hero ===== */
        .page-hero {
            background: var(--bg-gray);
            padding: 60px 0 56px;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 107, 43, 0.08) 0%, rgba(255, 107, 43, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero__title {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-main);
            margin: 0;
            letter-spacing: -0.02em;
            line-height: 1.25;
            position: relative;
        }
        .page-hero__title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: 16px;
        }
        .page-hero__desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.9;
            margin: 0;
            max-width: 400px;
            position: relative;
        }
        .page-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 20px;
        }
        .page-hero__badge i {
            color: var(--primary);
            font-size: 11px;
        }
        /* ===== News card ===== */
        .news-feature {
            display: flex;
            overflow: hidden;
            margin-bottom: 32px;
        }
        .news-feature__media {
            flex: 0 0 46%;
            position: relative;
            overflow: hidden;
            min-height: 280px;
        }
        .news-feature__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.35s ease;
        }
        .news-feature:hover .news-feature__media img {
            transform: scale(1.02);
        }
        .news-feature__body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-feature__tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 14px;
            width: fit-content;
        }
        .news-feature__title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 12px;
        }
        .news-feature__excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-feature__meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .news-feature__link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-feature__link i {
            transition: transform 0.2s ease;
        }
        .news-feature__link:hover i {
            transform: translateX(4px);
        }
        .news-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            margin-bottom: 24px;
        }
        .news-card__media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #EAECEE;
        }
        .news-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .news-card:hover .news-card__media img {
            transform: scale(1.02);
        }
        .news-card__tag {
            position: absolute;
            left: 12px;
            bottom: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            padding: 3px 10px;
            z-index: 2;
        }
        .news-card__body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card__excerpt {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .news-card__link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card__link i {
            transition: transform 0.2s ease;
            font-size: 12px;
        }
        .news-card__link:hover {
            color: var(--primary-dark);
        }
        .news-card__link:hover i {
            transform: translateX(4px);
        }
        /* ===== Value section ===== */
        .value-section {
            background: var(--bg-gray);
        }
        .value-layout {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 64px;
            align-items: center;
        }
        .value-intro .section-tag {
            margin-bottom: 8px;
        }
        .value-intro .section-title {
            margin-bottom: 16px;
        }
        .value-intro p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-weak);
            margin-bottom: 0;
        }
        .value-points {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .value-point {
            display: flex;
            gap: 18px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .value-point:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .value-point__icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 107, 43, 0.1);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .value-point:nth-child(2) .value-point__icon {
            background: rgba(30, 91, 87, 0.1);
            color: var(--teal);
        }
        .value-point__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .value-point__desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }
        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 30px;
            position: relative;
            transition: var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card__icon {
            width: 40px;
            height: 40px;
            border: 1.5px solid var(--teal);
            color: var(--teal);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            margin-bottom: 18px;
        }
        .scenario-card__arrow {
            position: absolute;
            top: 28px;
            right: 28px;
            color: var(--text-weak);
            font-size: 14px;
            transition: transform 0.2s ease;
        }
        .scenario-card:hover .scenario-card__arrow {
            transform: translateX(4px);
            color: var(--primary);
        }
        .scenario-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .scenario-card__desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin: 0;
        }
        /* ===== Stats ===== */
        .stats-section {
            background: var(--bg-dark);
            padding: 80px 0;
            color: #fff;
        }
        .stats-section .section-tag {
            color: var(--primary);
        }
        .stats-section .section-title {
            color: #fff;
        }
        .stats-section .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
            margin-top: 48px;
        }
        .stat-item {
            text-align: left;
            padding-left: 24px;
            border-left: 3px solid rgba(255, 255, 255, 0.2);
            transition: border-color 0.2s;
        }
        .stat-item:hover {
            border-left-color: var(--primary);
        }
        .stat-item__num {
            font-size: 56px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.03em;
        }
        .stat-item__num span {
            color: var(--primary);
            font-size: 32px;
            font-weight: 700;
            margin-left: 4px;
        }
        .stat-item__label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 10px;
            line-height: 1.6;
        }
        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: border-color 0.2s;
        }
        .faq-item.active {
            border-bottom-color: var(--primary);
        }
        .faq-item__question {
            padding: 22px 4px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .faq-item.active .faq-item__question {
            border-left-color: var(--primary);
            padding-left: 12px;
        }
        .faq-item__q {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
        }
        .faq-item__icon {
            width: 24px;
            height: 24px;
            border: 1.5px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-weak);
            transition: transform 0.25s ease, border-color 0.2s, color 0.2s;
            flex-shrink: 0;
        }
        .faq-item.active .faq-item__icon {
            transform: rotate(45deg);
            border-color: var(--primary);
            color: var(--primary);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 4px 0 15px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.9;
        }
        .faq-item.active .faq-item__answer {
            max-height: 300px;
            padding-bottom: 22px;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            top: -200px;
            right: -100px;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
            max-width: 480px;
        }
        .cta-btn {
            background: #fff;
            color: var(--text-main);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 32px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            color: var(--text-main);
        }
        .cta-btn i {
            font-size: 14px;
            transition: transform 0.2s;
        }
        .cta-btn:hover i {
            transform: translateX(4px);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 72px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
        }
        .footer-brand .brand-logo__mark {
            background: var(--primary);
        }
        .footer-brand .brand-logo__text {
            color: #fff;
        }
        .footer-brand__desc {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        /* ===== Animation ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal {
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        .reveal.visible {
            opacity: 1;
        }
        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        .btn-main:focus-visible,
        .btn-outline-custom:focus-visible {
            outline: 3px solid rgba(255, 107, 43, 0.4);
            outline-offset: 2px;
        }
        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 991.98px) {
            .header-nav {
                display: none;
            }
            .section-padding {
                padding: 56px 0;
            }
            .page-hero {
                padding: 40px 0;
            }
            .value-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .news-feature {
                flex-direction: column;
            }
            .news-feature__media {
                flex: 0 0 auto;
                min-height: 0;
                aspect-ratio: 16 / 9;
                position: relative;
            }
            .news-feature__body {
                padding: 24px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stat-item {
                padding-left: 16px;
            }
            .stat-item__num {
                font-size: 44px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 767.98px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .page-hero__title {
                font-size: 30px;
                margin-bottom: 16px;
            }
            .page-hero__desc {
                font-size: 14px;
            }
            .brand-logo__text {
                font-size: 16px;
            }
            .brand-logo__mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .news-feature__title {
                font-size: 19px;
            }
            .news-grid .col-md-6 {
                width: 100%;
            }
            .news-card {
                margin-bottom: 16px;
            }
            .stats-section {
                padding: 56px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
                margin-top: 16px;
            }
            .cta-section .row {
                text-align: center;
            }
            .cta-desc {
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                padding: 18px 0;
                font-size: 12px;
            }
            .value-point {
                padding: 16px 18px;
            }
        }
        @media (max-width: 575.98px) {
            .btn-main {
                padding: 9px 18px;
                font-size: 14px;
            }
            .page-hero {
                padding: 32px 0;
            }
            .page-hero__title {
                font-size: 28px;
            }
            .news-feature__body {
                padding: 18px;
            }
            .stat-item__num {
                font-size: 36px;
            }
        }