/* roulang page: index */
:root {
  --primary: #1E4D3C;
  --primary-dark: #16382C;
  --accent: #D99A2B;
  --accent-hover: #C08A2D;
  --dark-bg: #1D2F28;
  --light-bg: #F5F4EF;
  --text: #1F1D1A;
  --text-light: #6B6760;
  --text-on-dark: #F5F4EF;
  --border: #E3DFD5;
  --success: #2F6B55;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(30,77,60,0.05);
  --shadow-md: 0 8px 30px rgba(30,77,60,0.08);
  --shadow-lg: 0 16px 48px rgba(30,77,60,0.12);
  --transition: 0.2s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  --container-width: 1200px;
  --container-pad: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: 72px 0;
}

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

.section--dark {
  background-color: var(--dark-bg);
  color: var(--text-on-dark);
}

.section--white {
  background-color: var(--white);
}

.section__title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}

.section--dark .section__title {
  color: var(--text-on-dark);
}

.section__subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-light);
  max-width: 720px;
  margin-bottom: 40px;
}

.section--dark .section__subtitle {
  color: rgba(245,244,239,0.7);
}

.section__header {
  margin-bottom: 48px;
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  height: 64px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(30,77,60,0.04);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
}

.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.logo__mark::before,
.logo__mark::after {
  content: '';
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
}

.logo__mark::before {
  width: 14px;
  height: 14px;
  top: 6px;
  left: 6px;
}

.logo__mark::after {
  width: 10px;
  height: 10px;
  bottom: 6px;
  right: 6px;
  opacity: 0.7;
}

.logo__text {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav__link {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--primary);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav__cta {
  background: var(--accent);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav__cta:hover {
  background: var(--accent-hover);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(217,154,43,0.3);
}

.nav__cta:active {
  transform: translateY(1px);
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  position: relative;
  z-index: 1100;
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all 0.25s ease;
}

.nav__toggle--open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  background: var(--white);
  padding: 80px 0 72px;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 48px;
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(30,77,60,0.06);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}

.hero__eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero__title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero__subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 32px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: all var(--transition);
  letter-spacing: 0.3px;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: var(--text);
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--text);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(217,154,43,0.25);
}

.btn--primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn--outline:active {
  transform: translateY(1px);
}

.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 5 / 4;
  background: var(--light-bg);
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,77,60,0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* Trust summary strip */
.trust-strip {
  background: #F0EDE4;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.trust-strip__list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 32px;
}

.trust-strip__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

.trust-strip__item strong {
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}

.trust-strip__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Data band */
.data-band {
  padding: 56px 0;
}

.data-band__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}

.data-band__item {
  padding: 12px 8px;
}

.data-band__number {
  display: block;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}

.data-band__label {
  display: block;
  font-size: 14px;
  color: rgba(245,244,239,0.75);
  margin-top: 8px;
  font-weight: 500;
}

/* Core business matrix */
.business-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.business-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.business-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(30,77,60,0.25);
}

.business-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(30,77,60,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.business-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.8;
}

.business-card__body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.business-card__body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-light);
  margin-bottom: 12px;
}

.business-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

.business-card__link:hover {
  color: var(--accent-hover);
}

.business-card__link::after {
  content: '→';
  transition: transform var(--transition);
}

.business-card__link:hover::after {
  transform: translateX(4px);
}

/* Industry tags */
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.industry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.industry-tag:hover {
  border-color: var(--accent);
  background: rgba(217,154,43,0.06);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Comparison */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.comparison__card {
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--border);
}

.comparison__card--good {
  background: var(--white);
  border-color: rgba(30,77,60,0.25);
  box-shadow: var(--shadow-md);
}

.comparison__card--bad {
  background: var(--light-bg);
  border-color: var(--border);
}

.comparison__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.comparison__card--good .comparison__label {
  background: rgba(30,77,60,0.1);
  color: var(--primary);
}

.comparison__card--bad .comparison__label {
  background: rgba(200,138,45,0.12);
  color: var(--accent-hover);
}

.comparison__card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.comparison__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
}

.comparison__list li strong {
  color: var(--text);
  font-weight: 600;
}

.comparison__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 10px;
  flex-shrink: 0;
}

.comparison__card--good .comparison__list li::before {
  background: var(--success);
}

.comparison__card--bad .comparison__list li::before {
  background: var(--accent-hover);
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
  padding-top: 50px;
}

.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 2px;
  background: var(--border);
}

.process-step:last-child::after {
  display: none;
}

.process-step__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.process-step__desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

/* Tracking board */
.tracking-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.tracking-board__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 5 / 4;
  background: var(--light-bg);
}

.tracking-board__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tracking-status {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.tracking-status__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-light);
}

.tracking-status__tag--active {
  background: rgba(47,107,85,0.1);
  color: var(--success);
  border-color: rgba(47,107,85,0.3);
}

.tracking-status__tag--warning {
  background: rgba(217,154,43,0.1);
  color: var(--accent-hover);
  border-color: rgba(217,154,43,0.3);
}

.tracking-board__points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.tracking-board__points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
}

.tracking-board__points li::before {
  content: '✓';
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--success);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 4px;
}

/* Topic entry cards */
.topic-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.topic-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30,77,60,0.25);
}

.topic-card__image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--light-bg);
}

.topic-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.topic-card:hover .topic-card__image img {
  transform: scale(1.03);
}

.topic-card__body {
  padding: 24px;
}

.topic-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}

.topic-card__body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.topic-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition);
}

.topic-card__link:hover {
  color: var(--accent-hover);
}

.topic-card__link::after {
  content: '→';
  transition: transform var(--transition);
}

.topic-card__link:hover::after {
  transform: translateX(4px);
}

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

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.news-card__link {
  display: block;
  color: inherit;
}

.news-card__image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--light-bg);
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.news-card:hover .news-card__image img {
  transform: scale(1.03);
}

.news-card__body {
  padding: 20px;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--text-light);
}

.news-card__category {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(30,77,60,0.08);
  color: var(--primary);
  font-weight: 500;
  font-size: 12px;
}

.news-card__body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.news-card__date {
  font-size: 13px;
  color: var(--text-light);
}

.news-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
  font-size: 15px;
  grid-column: 1 / -1;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

/* Compliance badges */
.badge-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 12px;
  text-align: center;
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.badge-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(30,77,60,0.2);
}

.badge-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(30,77,60,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.badge-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

/* Testimonials */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(245,244,239,0.15);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(245,244,239,0.3);
}

.testimonial-card__quote {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-on-dark);
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}

.testimonial-card__quote::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -4px;
  font-size: 32px;
  color: var(--accent);
  font-weight: 700;
  line-height: 1;
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  flex-shrink: 0;
}

.testimonial-card__info strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-on-dark);
}

.testimonial-card__info span {
  font-size: 13px;
  color: rgba(245,244,239,0.6);
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(30,77,60,0.25);
}

.faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  user-select: none;
  list-style: none;
  transition: color var(--transition);
}

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

.faq-item__summary::-webkit-details-marker {
  display: none;
}

.faq-item__summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--text-light);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-item__summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-item__content {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
}

/* Form section */
.form-cta {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.form-cta__info h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.form-cta__info p {
  color: rgba(245,244,239,0.7);
  font-size: 15px;
  margin-bottom: 8px;
  line-height: 1.7;
}

.form-cta__points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.form-cta__points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(245,244,239,0.85);
  font-size: 14px;
}

.form-cta__points li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text);
  background: var(--white);
  transition: all var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,77,60,0.1);
}

.form-group input::placeholder {
  color: #B8B4AC;
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(217,154,43,0.3);
}

.form-submit:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Service regions */
.regions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.region-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}

.region-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(30,77,60,0.2);
}

.region-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.region-card__count {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

/* Footer */
.footer {
  background: var(--dark-bg);
  color: rgba(245,244,239,0.75);
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(245,244,239,0.1);
}

.footer__brand h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245,244,239,0.6);
}

.footer__col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 14px;
  color: rgba(245,244,239,0.65);
  transition: color var(--transition);
}

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

.footer__contact {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245,244,239,0.6);
}

.footer__contact strong {
  color: var(--white);
  font-weight: 600;
  display: block;
  margin-top: 8px;
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(245,244,239,0.5);
}

.footer__bottom a {
  color: rgba(245,244,239,0.5);
  transition: color var(--transition);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero__visual {
    aspect-ratio: 16 / 9;
  }

  .data-band__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .business-matrix {
    grid-template-columns: 1fr;
  }

  .comparison {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .process-step::after {
    display: none;
  }

  .tracking-board {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .badge-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonials {
    grid-template-columns: 1fr;
  }

  .form-cta {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 32px;
  }

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

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

  .section__title {
    font-size: 24px;
  }

  .nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 24px;
    overflow-y: auto;
    z-index: 1050;
    box-shadow: 0 8px 30px rgba(30,77,60,0.1);
  }

  .nav--open {
    display: flex;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: 14px 0;
    font-size: 17px;
    border-bottom: 1px solid var(--border);
    text-align: left;
  }

  .nav__link--active::after {
    display: none;
  }

  .nav__link--active {
    color: var(--accent-hover);
  }

  .nav__cta {
    display: block;
    text-align: center;
    margin-top: 24px;
    padding: 14px 24px;
    font-size: 16px;
    width: 100%;
  }

  .nav__toggle {
    display: flex;
  }

  .hero {
    padding: 56px 0 48px;
  }

  .hero__title {
    font-size: 28px;
  }

  .hero__subtitle {
    font-size: 15px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .trust-strip__list {
    justify-content: center;
  }

  .data-band__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .business-card {
    padding: 24px;
    flex-direction: column;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-step {
    text-align: left;
    padding-top: 0;
    padding-left: 56px;
    min-height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .process-step::before {
    left: 0;
    transform: none;
    top: 0;
  }

  .process-step::after {
    display: none;
  }

  .topic-cards {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

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

  .form-cta {
    padding: 32px 20px;
  }

  .regions {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  :root {
    --container-pad: 16px;
  }

  .data-band__grid {
    grid-template-columns: 1fr 1fr;
  }

  .badge-strip {
    grid-template-columns: 1fr 1fr;
  }

  .regions {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 20px;
  }

  .comparison__card {
    padding: 24px 20px;
  }
}

/* roulang page: category1 */
:root {
      --primary: #1E4D3C;
      --primary-dark: #16382C;
      --accent: #D99A2B;
      --accent-hover: #C08A2D;
      --dark-bg: #1D2F28;
      --light-bg: #F5F4EF;
      --text: #1F1D1A;
      --text-light: #6B6760;
      --text-on-dark: #F5F4EF;
      --border: #E3DFD5;
      --success: #2F6B55;
      --white: #FFFFFF;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 8px rgba(30,77,60,0.05);
      --shadow-md: 0 8px 30px rgba(30,77,60,0.08);
      --shadow-lg: 0 16px 48px rgba(30,77,60,0.12);
      --transition: 0.2s ease;
      --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
      --container-width: 1200px;
      --container-pad: 24px;
    }
    
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    
    body {
      font-family: var(--font-stack);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background-color: var(--white);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      margin: 0;
      padding: 0;
    }
    
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    
    a:hover {
      color: var(--accent-hover);
    }
    
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }
    
    button {
      cursor: pointer;
      border: none;
      background: none;
    }
    
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    
    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 var(--container-pad);
    }
    
    .section {
      padding: 72px 0;
    }
    
    .section--light {
      background-color: var(--light-bg);
    }
    
    .section--dark {
      background-color: var(--dark-bg);
      color: var(--text-on-dark);
    }
    
    .section--white {
      background-color: var(--white);
    }
    
    .section__title {
      font-size: 28px;
      font-weight: 700;
      line-height: 1.25;
      color: var(--text);
      margin-bottom: 16px;
    }
    
    .section--dark .section__title {
      color: var(--text-on-dark);
    }
    
    .section__subtitle {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-light);
      max-width: 720px;
      margin-bottom: 40px;
    }
    
    .section--dark .section__subtitle {
      color: rgba(245,244,239,0.7);
    }
    
    .section__header {
      margin-bottom: 48px;
    }
    
    /* Header & Navigation */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--white);
      height: 64px;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 1px 8px rgba(30,77,60,0.04);
    }
    
    .header__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      color: var(--primary);
      flex-shrink: 0;
    }
    
    .logo__mark {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      flex-shrink: 0;
    }
    
    .logo__mark::before,
    .logo__mark::after {
      content: '';
      position: absolute;
      background: var(--accent);
      border-radius: 2px;
    }
    
    .logo__mark::before {
      width: 14px;
      height: 14px;
      top: 6px;
      left: 6px;
    }
    
    .logo__mark::after {
      width: 10px;
      height: 10px;
      bottom: 6px;
      right: 6px;
      opacity: 0.7;
    }
    
    .logo__text {
      font-weight: 700;
      letter-spacing: 0.5px;
    }
    
    .nav {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    
    .nav__link {
      font-size: 15px;
      color: var(--text);
      font-weight: 500;
      position: relative;
      padding: 4px 0;
      transition: color var(--transition);
      white-space: nowrap;
    }
    
    .nav__link:hover,
    .nav__link--active {
      color: var(--primary);
    }
    
    .nav__link--active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent);
      border-radius: 1px;
    }
    
    .nav__cta {
      background: var(--accent);
      color: var(--text);
      font-weight: 600;
      font-size: 14px;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      transition: all var(--transition);
      white-space: nowrap;
      flex-shrink: 0;
    }
    
    .nav__cta:hover {
      background: var(--accent-hover);
      color: var(--text);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(217,154,43,0.3);
    }
    
    .nav__cta:active {
      transform: translateY(1px);
    }
    
    .nav__toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 4px;
      position: relative;
      z-index: 1100;
    }
    
    .nav__toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text);
      border-radius: 1px;
      transition: all 0.25s ease;
    }
    
    .nav__toggle--open span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }
    
    .nav__toggle--open span:nth-child(2) {
      opacity: 0;
    }
    
    .nav__toggle--open span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }
    
    /* Page Banner / Breadcrumb */
    .breadcrumb-banner {
      background-color: var(--light-bg);
      padding: 40px 0;
      border-bottom: 1px solid var(--border);
    }
    
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    
    .breadcrumb a {
      color: var(--text-light);
    }
    
    .breadcrumb a:hover {
      color: var(--primary);
    }
    
    .breadcrumb__sep {
      opacity: 0.5;
    }
    
    .breadcrumb__current {
      color: var(--primary);
      font-weight: 600;
    }
    
    .hero-title {
      font-size: clamp(28px, 5vw, 44px);
      font-weight: 700;
      line-height: 1.2;
      color: var(--text);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    
    .hero-lead {
      font-size: 18px;
      line-height: 1.8;
      color: var(--text-light);
      max-width: 800px;
      margin: 0;
    }
    
    /* Metrics Strip */
    .metrics-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      padding: 40px 0;
    }
    
    .metric-item {
      text-align: center;
      padding: 24px 12px;
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    
    .metric-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .metric-number {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 8px;
    }
    
    .metric-label {
      font-size: 14px;
      color: var(--text-light);
    }
    
    /* Service List (Numbered Rows) */
    .service-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    
    .service-row {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      padding: 24px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    
    .service-row:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .service-row__index {
      font-size: 24px;
      font-weight: 700;
      color: var(--accent);
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(217,154,43,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    
    .service-row__content {
      flex: 1;
    }
    
    .service-row__title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
    }
    
    .service-row__desc {
      font-size: 15px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    
    .service-row__tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }
    
    .tag {
      display: inline-block;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 500;
      border-radius: 999px;
      background: rgba(30,77,60,0.06);
      color: var(--primary);
    }
    
    .service-row__link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    
    .service-row__link:hover {
      color: var(--accent-hover);
    }
    
    /* Support Points */
    .support-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .support-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
    }
    
    .support-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .support-card__title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
    }
    
    .support-card__text {
      font-size: 15px;
      color: var(--text-light);
    }
    
    /* Process Steps */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    
    .step-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    
    .step-number {
      font-size: 28px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    
    .step-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
    }
    
    .step-desc {
      font-size: 14px;
      color: var(--text-light);
    }
    
    /* Visual / Image Block */
    .visual-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    
    .visual-block__image {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    
    .visual-block__image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    
    .visual-block__content {
      padding: 16px 0;
    }
    
    .visual-block__list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }
    
    .visual-block__list li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      color: var(--text-light);
    }
    
    .visual-block__list li::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
    }
    
    /* FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    
    .faq-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    
    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    
    .faq-question::after {
      content: '+';
      font-size: 24px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.2s ease;
    }
    
    .faq-item--open .faq-question::after {
      transform: rotate(45deg);
    }
    
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 24px;
    }
    
    .faq-item--open .faq-answer {
      max-height: 200px;
      padding-bottom: 20px;
    }
    
    .faq-answer p {
      margin: 0;
      font-size: 15px;
      color: var(--text-light);
    }
    
    /* News Cards */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .news-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition);
      display: flex;
      flex-direction: column;
    }
    
    .news-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .news-card__category {
      font-size: 12px;
      font-weight: 600;
      color: var(--accent-hover);
      margin-bottom: 8px;
    }
    
    .news-card__title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    
    .news-card__excerpt {
      font-size: 14px;
      color: var(--text-light);
      flex: 1;
      margin-bottom: 12px;
    }
    
    .news-card__time {
      font-size: 12px;
      color: var(--text-light);
      opacity: 0.7;
    }
    
    .empty-news {
      text-align: center;
      padding: 40px 20px;
      background: var(--light-bg);
      border-radius: var(--radius-md);
      color: var(--text-light);
      border: 1px dashed var(--border);
    }
    
    /* CTA Form */
    .cta-form-section {
      background: var(--dark-bg);
      color: var(--text-on-dark);
    }
    
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    
    .cta-form-section .section__title {
      color: var(--text-on-dark);
    }
    
    .cta-form-section .section__subtitle {
      color: rgba(245,244,239,0.7);
    }
    
    .cta-points {
      list-style: none;
      padding: 0;
      margin: 24px 0;
    }
    
    .cta-points li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      color: var(--text-on-dark);
    }
    
    .cta-points li::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
    }
    
    .submit-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    
    .form-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    
    .form-field label {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-on-dark);
    }
    
    .form-field input,
    .form-field select {
      padding: 12px;
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.1);
      color: var(--text-on-dark);
      outline: none;
    }
    
    .form-field input::placeholder {
      color: rgba(245,244,239,0.5);
    }
    
    .btn--light {
      background: var(--accent);
      color: var(--text);
      font-weight: 600;
      border-radius: var(--radius-sm);
      padding: 14px 28px;
      transition: all var(--transition);
      width: fit-content;
    }
    
    .btn--light:hover {
      background: var(--accent-hover);
      color: var(--text);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    
    /* Footer */
    .footer {
      background: var(--primary-dark);
      color: var(--text-on-dark);
      padding: 60px 0 0;
    }
    
    .footer__grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      padding-bottom: 40px;
    }
    
    .footer__brand h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--white);
    }
    
    .footer__brand p {
      font-size: 14px;
      color: rgba(245,244,239,0.7);
      margin: 0;
    }
    
    .footer__col h4 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--white);
    }
    
    .footer__col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    .footer__col li {
      margin-bottom: 8px;
    }
    
    .footer__col a {
      color: rgba(245,244,239,0.7);
      font-size: 14px;
      transition: color var(--transition);
    }
    
    .footer__col a:hover {
      color: var(--accent);
    }
    
    .footer__contact {
      font-size: 14px;
      color: rgba(245,244,239,0.7);
      line-height: 1.8;
    }
    
    .footer__bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 14px;
      color: rgba(245,244,239,0.5);
    }
    
    /* Responsive */
    @media (max-width: 1024px) {
      .metrics-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .support-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .visual-block {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .cta-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }
    
    @media (max-width: 768px) {
      :root {
        --container-pad: 16px;
      }
      .section {
        padding: 48px 0;
      }
      .header__inner {
        padding: 0 8px;
      }
      .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 360px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 24px;
        transition: right 0.3s ease;
        z-index: 1050;
        box-shadow: var(--shadow-lg);
      }
      .nav--open {
        right: 0;
      }
      .nav__toggle {
        display: flex;
      }
      .nav__cta {
        display: none;
      }
      .nav__link {
        font-size: 18px;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
      }
      .nav__link--active::after {
        display: none;
      }
      .hero-title {
        font-size: 32px;
      }
      .metrics-strip {
        grid-template-columns: 1fr;
        padding: 24px 0;
      }
      .service-row {
        flex-direction: column;
        gap: 12px;
      }
      .support-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer__grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

/* roulang page: article */
:root {
            --primary: #1E4D3C;
            --primary-dark: #16382C;
            --accent: #D99A2B;
            --accent-hover: #C08A2D;
            --dark-bg: #1D2F28;
            --light-bg: #F5F4EF;
            --text: #1F1D1A;
            --text-light: #6B6760;
            --text-on-dark: #F5F4EF;
            --border: #E3DFD5;
            --success: #2F6B55;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(30, 77, 60, 0.05);
            --shadow-md: 0 8px 30px rgba(30, 77, 60, 0.08);
            --shadow-lg: 0 16px 48px rgba(30, 77, 60, 0.12);
            --transition: 0.2s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            --container-width: 1200px;
            --container-pad: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            padding: 0;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }

        .section {
            padding: 72px 0;
        }

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

        .section--dark {
            background-color: var(--dark-bg);
            color: var(--text-on-dark);
        }

        .section--white {
            background-color: var(--white);
        }

        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section--dark .section__title {
            color: var(--text-on-dark);
        }

        .section__subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section--dark .section__subtitle {
            color: rgba(245, 244, 239, 0.72);
        }

        .section__header {
            margin-bottom: 48px;
        }

        /* Header & Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            height: 64px;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(30, 77, 60, 0.04);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .logo__mark {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }

        .logo__mark::before,
        .logo__mark::after {
            content: '';
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
        }

        .logo__mark::before {
            width: 14px;
            height: 14px;
            top: 6px;
            left: 6px;
        }

        .logo__mark::after {
            width: 10px;
            height: 10px;
            bottom: 6px;
            right: 6px;
            opacity: 0.7;
        }

        .logo__text {
            font-weight: 700;
            letter-spacing: 0.5px;
            font-size: 20px;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 26px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav__link {
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
            white-space: nowrap;
            display: inline-block;
        }

        .nav__link:hover,
        .nav__link--active {
            color: var(--primary);
        }

        .nav__link--active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .nav__cta {
            background: var(--accent);
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
            display: inline-block;
            line-height: 1.4;
        }

        .nav__cta:hover {
            background: var(--accent-hover);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217, 154, 43, 0.3);
        }

        .nav__cta:active {
            transform: translateY(1px);
        }

        .nav__toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            position: relative;
            z-index: 1100;
            background: var(--white);
        }

        .nav__toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: all 0.25s ease;
        }

        .nav__toggle--open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav__toggle--open span:nth-child(2) {
            opacity: 0;
        }

        .nav__toggle--open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--light-bg);
            padding: 32px 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-light);
            font-weight: 500;
        }

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

        .breadcrumb__sep {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb__current {
            color: var(--primary);
            font-weight: 500;
        }

        /* Article Hero */
        .article-hero {
            padding: 8px 0 16px;
        }

        .article-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(30, 77, 60, 0.06);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .article-hero__badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .article-hero__title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.4px;
        }

        .article-hero__meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-light);
        }

        .article-hero__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-hero__meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--border);
            display: inline-block;
        }

        /* Article Layout */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            padding: 48px 0 56px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        /* Summary Card */
        .summary-card {
            background: var(--light-bg);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 32px;
        }

        .summary-card__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .summary-card__title::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .summary-card__text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text);
        }

        /* Article Body */
        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .article-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin: 32px 0 12px;
        }

        .article-body p {
            margin-bottom: 18px;
            color: var(--text);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 16px 20px;
            background: var(--light-bg);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--accent);
            color: var(--text);
            font-style: normal;
            line-height: 1.8;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .article-body table th {
            background: var(--primary);
            color: var(--white);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border: 1px solid var(--primary-dark);
        }

        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text);
        }

        .article-body table tr:nth-child(even) td {
            background: var(--light-bg);
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: var(--accent);
            transition: color var(--transition);
        }

        .article-body a:hover {
            color: var(--accent-hover);
            text-decoration-color: var(--accent-hover);
        }

        /* Prev / Next */
        .prev-next {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 40px 0 0;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        .prev-next__item {
            display: block;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: all var(--transition);
        }

        .prev-next__item:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .prev-next__label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .prev-next__title-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.5;
            display: block;
        }

        .prev-next__item:hover .prev-next__title-link {
            color: var(--accent-hover);
        }

        .prev-next__empty {
            color: var(--text-light);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 84px;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card__title::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* Related List */
        .related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .related-item {
            display: flex;
            gap: 12px;
            padding-bottom: 16px;
            border-bottom: 1px dashed var(--border);
            transition: all var(--transition);
        }

        .related-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .related-item__thumb {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .related-item__content {
            flex: 1;
            min-width: 0;
        }

        .related-item__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-item__title a {
            color: var(--text);
            transition: color var(--transition);
        }

        .related-item__title a:hover {
            color: var(--accent-hover);
        }

        .related-item__time {
            font-size: 12px;
            color: var(--text-light);
        }

        .related-empty {
            text-align: center;
            font-size: 14px;
            color: var(--text-light);
            padding: 20px 0;
        }

        /* Contact Sidebar */
        .sidebar-contact {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text);
        }

        .sidebar-contact p {
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 6px;
        }

        .sidebar-contact strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* Return CTA */
        .return-cta {
            text-align: center;
            padding: 32px 0;
        }

        .return-cta .btn {
            min-width: 200px;
        }

        /* Bottom CTA */
        .bottom-cta {
            background: var(--dark-bg);
            padding: 64px 0;
            color: var(--text-on-dark);
        }

        .bottom-cta__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .bottom-cta__title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-on-dark);
            margin-bottom: 16px;
        }

        .bottom-cta__text {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(245, 244, 239, 0.75);
            margin-bottom: 24px;
        }

        .bottom-cta__list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .bottom-cta__list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: rgba(245, 244, 239, 0.85);
        }

        .bottom-cta__list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            text-decoration: none;
            line-height: 1.4;
        }

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

        .btn--primary:hover {
            background: var(--accent-hover);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(217, 154, 43, 0.35);
        }

        .btn--primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn--secondary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn--secondary:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(30, 77, 60, 0.2);
        }

        .btn--secondary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn--light {
            background: var(--white);
            color: var(--primary);
            border: 1px solid var(--white);
        }

        .btn--light:hover {
            background: var(--accent);
            color: var(--text);
            border-color: var(--accent);
            transform: translateY(-1px);
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: rgba(245, 244, 239, 0.8);
            padding: 56px 0 32px;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer__brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin-bottom: 12px;
        }

        .footer__brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 244, 239, 0.7);
            margin: 0;
        }

        .footer__col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-on-dark);
            margin-bottom: 16px;
        }

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

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

        .footer__col ul li a {
            font-size: 14px;
            color: rgba(245, 244, 239, 0.7);
            transition: color var(--transition);
        }

        .footer__col ul li a:hover {
            color: var(--accent);
        }

        .footer__contact {
            font-size: 14px;
            line-height: 2;
            color: rgba(245, 244, 239, 0.7);
        }

        .footer__contact strong {
            color: var(--text-on-dark);
            font-weight: 600;
        }

        .footer__bottom {
            border-top: 1px solid rgba(245, 244, 239, 0.15);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(245, 244, 239, 0.55);
        }

        /* Form */
        .form-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }

        .form-card__title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 24px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text);
            background: var(--white);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 77, 60, 0.08);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #aaa49a;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6760' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }

        .form-group .btn {
            width: 100%;
        }

        /* Page Not Found */
        .not-found {
            text-align: center;
            padding: 80px 0;
        }

        .not-found__icon {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 20px;
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

        .not-found p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 420px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card {
                flex: 1 1 280px;
            }

            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .header {
                height: 60px;
            }

            .nav__toggle {
                display: flex;
            }

            .nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                z-index: 1000;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

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

            .nav__link {
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--light-bg);
                width: 100%;
                display: block;
            }

            .nav__link--active::after {
                display: none;
            }

            .nav__cta {
                margin-top: 16px;
                text-align: center;
                display: block;
            }

            .article-hero__title {
                font-size: 22px;
            }

            .prev-next {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .breadcrumb {
                font-size: 13px;
            }

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

            .footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .bottom-cta {
                padding: 48px 0;
            }

            .bottom-cta__title {
                font-size: 22px;
            }

            .form-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
            }

            .article-layout {
                padding: 32px 0 40px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 20px;
            }

            .article-body h3 {
                font-size: 17px;
            }

            .article-body table {
                font-size: 13px;
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }

            .article-hero__meta {
                gap: 10px;
                font-size: 13px;
            }

            .related-item__thumb {
                width: 60px;
                height: 48px;
            }

            .section__title {
                font-size: 24px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E4D3C;
            --primary-dark: #16382C;
            --accent: #D99A2B;
            --accent-hover: #C08A2D;
            --dark-bg: #1D2F28;
            --light-bg: #F5F4EF;
            --text: #1F1D1A;
            --text-light: #6B6760;
            --text-on-dark: #F5F4EF;
            --border: #E3DFD5;
            --success: #2F6B55;
            --white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(30,77,60,0.05);
            --shadow-md: 0 8px 30px rgba(30,77,60,0.08);
            --shadow-lg: 0 16px 48px rgba(30,77,60,0.12);
            --transition: 0.2s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            --container-width: 1200px;
            --container-pad: 24px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 var(--container-pad);
        }
        .section {
            padding: 72px 0;
        }
        .section--light {
            background-color: var(--light-bg);
        }
        .section--dark {
            background-color: var(--dark-bg);
            color: var(--text-on-dark);
        }
        .section--white {
            background-color: var(--white);
        }
        .section__title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }
        .section--dark .section__title {
            color: var(--text-on-dark);
        }
        .section__subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section--dark .section__subtitle {
            color: rgba(245,244,239,0.7);
        }
        .section__header {
            margin-bottom: 48px;
        }
        /* Header & Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            height: 64px;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(30,77,60,0.04);
        }
        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo__mark {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo__mark::before,
        .logo__mark::after {
            content: '';
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
        }
        .logo__mark::before {
            width: 14px;
            height: 14px;
            top: 6px;
            left: 6px;
        }
        .logo__mark::after {
            width: 10px;
            height: 10px;
            bottom: 6px;
            right: 6px;
            opacity: 0.7;
        }
        .logo__text {
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav__link {
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .nav__link:hover,
        .nav__link--active {
            color: var(--primary);
        }
        .nav__link--active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav__cta {
            background: var(--accent);
            color: var(--text);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav__cta:hover {
            background: var(--accent-hover);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(217,154,43,0.3);
        }
        .nav__cta:active {
            transform: translateY(1px);
        }
        .nav__toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            position: relative;
            z-index: 1100;
        }
        .nav__toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: all 0.25s ease;
        }
        .nav__toggle--open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav__toggle--open span:nth-child(2) {
            opacity: 0;
        }
        .nav__toggle--open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        /* Breadcrumb & H1 */
        .page-header {
            background: var(--light-bg);
            padding: 48px 0 56px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
        }
        .page-header h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .page-header .lead {
            font-size: 17px;
            color: var(--text-light);
            max-width: 760px;
            line-height: 1.8;
        }
        /* Key metrics */
        .metrics-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }
        .metrics-bar__grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: space-between;
            padding: 24px 0;
        }
        .metric-item {
            flex: 1 1 180px;
            text-align: center;
            padding: 8px 0;
        }
        .metric-item__value {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        .metric-item__label {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 4px;
        }
        /* Industry tags & matrix */
        .industry-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: rgba(30,77,60,0.06);
            color: var(--primary);
            border: 1px solid rgba(30,77,60,0.12);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .matrix-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .matrix-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .matrix-card__icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(30,77,60,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
        }
        .matrix-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .matrix-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* Service list */
        .service-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .service-list__item {
            display: grid;
            grid-template-columns: 40px 1fr auto;
            gap: 16px;
            align-items: start;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-list__item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .service-list__num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }
        .service-list__content h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .service-list__content p {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .service-list__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            align-self: center;
        }
        .service-list__link:hover {
            color: var(--accent-hover);
        }
        /* Support points */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .support-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .support-card:hover {
            box-shadow: var(--shadow-md);
        }
        .support-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .support-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* Steps */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            margin: 0 auto 16px;
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-light);
        }
        /* Visual block */
        .visual-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .visual-block__image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .visual-block__image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .visual-block__content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .visual-block__content ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .visual-block__content li {
            padding-left: 24px;
            position: relative;
            font-size: 15px;
            color: var(--text-light);
        }
        .visual-block__content li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }
        /* FAQ */
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: var(--white);
            color: var(--text);
            font-weight: 600;
            padding: 16px 24px;
            width: 100%;
            text-align: left;
            border-radius: 0;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(30,77,60,0.04);
            color: var(--primary);
        }
        .accordion-body {
            padding: 16px 24px;
            font-size: 15px;
            color: var(--text-light);
            background: var(--white);
        }
        /* CTA form */
        .cta-form {
            background: var(--dark-bg);
            color: var(--text-on-dark);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .cta-form__left h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-on-dark);
        }
        .cta-form__left p {
            color: rgba(245,244,239,0.7);
            margin-bottom: 8px;
        }
        .cta-form__right form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-control {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--text-on-dark);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
        }
        .form-control::placeholder {
            color: rgba(245,244,239,0.5);
        }
        .form-control:focus {
            background: rgba(255,255,255,0.12);
            border-color: var(--accent);
            box-shadow: none;
        }
        .btn--form {
            background: var(--accent);
            color: var(--text);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            align-self: flex-start;
        }
        .btn--form:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card__body {
            padding: 20px;
        }
        .news-card__category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-hover);
            background: rgba(217,154,43,0.1);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .news-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card h4 a {
            color: var(--text);
        }
        .news-card h4 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card__meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: rgba(245,244,239,0.8);
            padding: 64px 0 32px;
        }
        .footer a {
            color: rgba(245,244,239,0.8);
        }
        .footer a:hover {
            color: var(--accent);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer__brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer__brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(245,244,239,0.7);
        }
        .footer__col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer__col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer__col li a {
            font-size: 14px;
        }
        .footer__contact {
            font-size: 14px;
            line-height: 1.7;
        }
        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(245,244,239,0.6);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero__grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .visual-block {
                grid-template-columns: 1fr;
            }
            .cta-form {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .container {
                --container-pad: 16px;
            }
            .section {
                padding: 48px 0;
            }
            .header {
                height: 60px;
            }
            .nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--white);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 20px;
                transform: translateX(100%);
                transition: transform 0.3s ease;
                z-index: 1050;
                box-shadow: 0 16px 32px rgba(30,77,60,0.1);
            }
            .nav--open {
                transform: translateX(0);
            }
            .nav__link,
            .nav__cta {
                width: 100%;
                font-size: 16px;
                padding: 12px 0;
            }
            .nav__cta {
                text-align: center;
                margin-top: auto;
            }
            .nav__toggle {
                display: flex;
            }
            .metrics-bar__grid {
                gap: 16px;
            }
            .metric-item {
                flex: 1 1 140px;
            }
            .service-list__item {
                grid-template-columns: 32px 1fr;
                padding: 16px;
            }
            .service-list__link {
                grid-column: 2;
                justify-self: start;
            }
            .steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-header {
                padding: 32px 0 40px;
            }
        }
        @media (max-width: 520px) {
            .hero__title {
                font-size: 28px;
            }
            .section__title {
                font-size: 24px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .cta-form {
                padding: 24px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #1E4D3C;
        --primary-dark: #16382C;
        --accent: #D99A2B;
        --accent-hover: #C08A2D;
        --dark-bg: #1D2F28;
        --light-bg: #F5F4EF;
        --text: #1F1D1A;
        --text-light: #6B6760;
        --text-on-dark: #F5F4EF;
        --border: #E3DFD5;
        --success: #2F6B55;
        --white: #FFFFFF;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --shadow-sm: 0 2px 8px rgba(30,77,60,0.05);
        --shadow-md: 0 8px 30px rgba(30,77,60,0.08);
        --shadow-lg: 0 16px 48px rgba(30,77,60,0.12);
        --transition: 0.2s ease;
        --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
        --container-width: 1200px;
        --container-pad: 24px;
    }
    :root {
        --container-pad: 16px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text);
        background-color: var(--white);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
        padding: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--accent-hover);
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    .container {
        max-width: var(--container-width);
        margin: 0 auto;
        padding: 0 var(--container-pad);
    }
    .section {
        padding: 72px 0;
    }
    .section--light {
        background-color: var(--light-bg);
    }
    .section--dark {
        background-color: var(--dark-bg);
        color: var(--text-on-dark);
    }
    .section--white {
        background-color: var(--white);
    }
    .section__title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.25;
        color: var(--text);
        margin-bottom: 16px;
    }
    .section--dark .section__title {
        color: var(--text-on-dark);
    }
    .section__subtitle {
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-light);
        max-width: 720px;
        margin-bottom: 40px;
    }
    .section--dark .section__subtitle {
        color: rgba(245,244,239,0.7);
    }
    .section__header {
        margin-bottom: 48px;
    }
    .section__header--center {
        text-align: center;
    }
    .section__header--center .section__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    /* Header & Navigation */
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--white);
        height: 64px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 1px 8px rgba(30,77,60,0.04);
    }
    .header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 20px;
        color: var(--primary);
        flex-shrink: 0;
    }
    .logo:hover {
        color: var(--primary);
    }
    .logo__mark {
        width: 36px;
        height: 36px;
        border-radius: var(--radius-sm);
        background: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        flex-shrink: 0;
    }
    .logo__mark::before,
    .logo__mark::after {
        content: '';
        position: absolute;
        background: var(--accent);
        border-radius: 2px;
    }
    .logo__mark::before {
        width: 14px;
        height: 14px;
        top: 6px;
        left: 6px;
    }
    .logo__mark::after {
        width: 10px;
        height: 10px;
        bottom: 6px;
        right: 6px;
        opacity: 0.7;
    }
    .logo__text {
        font-weight: 700;
        letter-spacing: 0.5px;
    }
    .nav {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav__link {
        font-size: 15px;
        color: var(--text);
        font-weight: 500;
        position: relative;
        padding: 4px 0;
        transition: color var(--transition);
        white-space: nowrap;
    }
    .nav__link:hover,
    .nav__link--active {
        color: var(--primary);
    }
    .nav__link--active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--accent);
        border-radius: 1px;
    }
    .nav__cta {
        background: var(--accent);
        color: var(--text);
        font-weight: 600;
        font-size: 14px;
        padding: 10px 18px;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .nav__cta:hover {
        background: var(--accent-hover);
        color: var(--text);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(217,154,43,0.3);
    }
    .nav__cta:active {
        transform: translateY(1px);
    }
    .nav__toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 4px;
        position: relative;
        z-index: 1100;
    }
    .nav__toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--text);
        border-radius: 1px;
        transition: all 0.25s ease;
    }
    .nav__toggle--open span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .nav__toggle--open span:nth-child(2) {
        opacity: 0;
    }
    .nav__toggle--open span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* Page Hero (Category H1) */
    .page-hero {
        background: var(--light-bg);
        padding: 48px 0 56px;
        border-bottom: 1px solid var(--border);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-light);
        margin-bottom: 20px;
        padding: 0;
        background: none;
    }
    .breadcrumb a {
        color: var(--text-light);
    }
    .breadcrumb a:hover {
        color: var(--primary);
    }
    .breadcrumb__sep {
        color: var(--border);
        user-select: none;
    }
    .breadcrumb__current {
        color: var(--primary);
        font-weight: 500;
    }
    .page-hero__title {
        font-size: clamp(28px, 5vw, 44px);
        font-weight: 700;
        line-height: 1.2;
        color: var(--text);
        margin-bottom: 16px;
        letter-spacing: -0.5px;
    }
    .page-hero__sub {
        font-size: 17px;
        line-height: 1.8;
        color: var(--text-light);
        max-width: 680px;
        margin: 0;
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 15px;
        transition: all var(--transition);
        letter-spacing: 0.3px;
        text-decoration: none;
        border: 1px solid transparent;
    }
    .btn--primary {
        background: var(--accent);
        color: var(--text);
    }
    .btn--primary:hover {
        background: var(--accent-hover);
        color: var(--text);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(217,154,43,0.3);
    }
    .btn--primary:active {
        transform: translateY(1px);
    }
    .btn--secondary {
        background: transparent;
        color: var(--primary);
        border-color: var(--primary);
    }
    .btn--secondary:hover {
        background: var(--primary);
        color: var(--white);
        transform: translateY(-1px);
        box-shadow: var(--shadow-md);
    }
    .btn--light {
        background: var(--white);
        color: var(--primary);
    }
    .btn--light:hover {
        background: rgba(255,255,255,0.9);
        color: var(--primary);
        transform: translateY(-1px);
    }

    /* Badge & Tags */
    .badge-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 500;
        padding: 6px 14px;
        border-radius: 999px;
        background: rgba(30,77,60,0.06);
        color: var(--primary);
        letter-spacing: 0.3px;
    }
    .badge-tag--accent {
        background: rgba(217,154,43,0.12);
        color: var(--accent-hover);
    }

    /* Metrics */
    .metrics-band {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        padding: 32px 0;
    }
    .metric-item {
        text-align: center;
        padding: 20px;
        border-radius: var(--radius-md);
        background: var(--white);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    .metric-item__num {
        font-size: 28px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .metric-item__label {
        font-size: 14px;
        color: var(--text-light);
    }

    /* Cards */
    .card {
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        background: var(--white);
        overflow: hidden;
        transition: all var(--transition);
    }
    .card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .card__body {
        padding: 28px;
    }
    .card__title {
        font-size: 20px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--text);
        margin-bottom: 10px;
    }
    .card__text {
        font-size: 15px;
        line-height: 1.7;
        color: var(--text-light);
        margin-bottom: 16px;
    }
    .card__link {
        font-weight: 600;
        font-size: 14px;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .card__link:hover {
        color: var(--accent-hover);
    }

    /* Plan Cards */
    .plan-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .plan-card {
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        background: var(--white);
        padding: 32px 28px;
        display: flex;
        flex-direction: column;
        transition: all var(--transition);
        position: relative;
    }
    .plan-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .plan-card--featured {
        border-color: var(--primary);
        box-shadow: var(--shadow-lg);
    }
    .plan-card__tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(30,77,60,0.08);
        color: var(--primary);
        margin-bottom: 14px;
        align-self: flex-start;
    }
    .plan-card--featured .plan-card__tag {
        background: rgba(217,154,43,0.15);
        color: var(--accent-hover);
    }
    .plan-card__title {
        font-size: 22px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 8px;
    }
    .plan-card__desc {
        font-size: 15px;
        line-height: 1.7;
        color: var(--text-light);
        margin-bottom: 20px;
    }
    .plan-card__list {
        list-style: none;
        margin: 0 0 24px;
        padding: 0;
        flex-grow: 1;
    }
    .plan-card__list li {
        font-size: 14px;
        color: var(--text);
        padding: 8px 0;
        border-bottom: 1px dashed var(--border);
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .plan-card__list li::before {
        content: '✓';
        color: var(--success);
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 1px;
    }
    .plan-card__btn {
        align-self: flex-start;
    }

    /* Comparison Table */
    .table-wrap {
        overflow-x: auto;
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    .comparison-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--white);
        min-width: 720px;
    }
    .comparison-table th,
    .comparison-table td {
        padding: 16px 20px;
        text-align: left;
        font-size: 15px;
        border-bottom: 1px solid var(--border);
    }
    .comparison-table thead th {
        background: var(--primary);
        color: var(--white);
        font-weight: 600;
        font-size: 14px;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }
    .comparison-table tbody tr:hover {
        background: var(--light-bg);
    }
    .comparison-table tbody tr:last-child td {
        border-bottom: none;
    }
    .comparison-table td:first-child {
        font-weight: 600;
        color: var(--primary);
        white-space: nowrap;
    }

    /* Features Grid */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .feature-card {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
    }
    .feature-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .feature-card__icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        background: rgba(30,77,60,0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 16px;
        color: var(--primary);
        flex-shrink: 0;
    }
    .feature-card__title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 8px;
    }
    .feature-card__text {
        font-size: 14px;
        line-height: 1.7;
        color: var(--text-light);
        margin: 0;
    }

    /* Steps */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        counter-reset: step;
    }
    .step-item {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        position: relative;
        counter-increment: step;
        transition: all var(--transition);
    }
    .step-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .step-item::before {
        content: counter(step, decimal-leading-zero);
        font-size: 40px;
        font-weight: 700;
        color: rgba(30,77,60,0.12);
        position: absolute;
        top: 16px;
        right: 20px;
        line-height: 1;
    }
    .step-item__title {
        font-size: 17px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 8px;
        position: relative;
        z-index: 1;
    }
    .step-item__text {
        font-size: 14px;
        line-height: 1.7;
        color: var(--text-light);
        margin: 0;
        position: relative;
        z-index: 1;
    }

    /* Image Placeholder */
    .visual-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        position: relative;
    }
    .visual-card img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .visual-card__overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(30,77,60,0) 50%, rgba(30,77,60,0.7) 100%);
        display: flex;
        align-items: flex-end;
        padding: 24px;
    }
    .visual-card__label {
        font-size: 16px;
        font-weight: 600;
        color: var(--white);
    }

    /* FAQ */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }
    .faq-item__btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        transition: all var(--transition);
    }
    .faq-item__btn:hover {
        background: var(--light-bg);
    }
    .faq-item__icon {
        width: 24px;
        height: 24px;
        flex-shrink: 0;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .faq-item__icon::before,
    .faq-item__icon::after {
        content: '';
        position: absolute;
        background: var(--primary);
        border-radius: 1px;
        transition: all var(--transition);
    }
    .faq-item__icon::before {
        width: 14px;
        height: 2px;
    }
    .faq-item__icon::after {
        width: 2px;
        height: 14px;
    }
    .faq-item--open .faq-item__icon::after {
        transform: rotate(90deg);
        opacity: 0;
    }
    .faq-item__panel {
        padding: 0 24px 20px;
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-light);
        display: none;
    }
    .faq-item--open .faq-item__panel {
        display: block;
    }

    /* CTA Form */
    .cta-form-section {
        background: var(--dark-bg);
        color: var(--text-on-dark);
    }
    .cta-form-grid {
        display: grid;
        grid-template-columns: 5fr 7fr;
        gap: 48px;
        align-items: center;
    }
    .cta-form-title {
        font-size: 28px;
        font-weight: 700;
        color: var(--text-on-dark);
        margin-bottom: 16px;
    }
    .cta-form-desc {
        font-size: 16px;
        line-height: 1.8;
        color: rgba(245,244,239,0.75);
        margin-bottom: 24px;
    }
    .cta-form-points {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .cta-form-points li {
        font-size: 15px;
        color: var(--text-on-dark);
        padding: 8px 0;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }
    .cta-form-points li::before {
        content: '→';
        color: var(--accent);
        font-weight: 700;
        flex-shrink: 0;
    }
    .form-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-lg);
    }
    .form-group {
        margin-bottom: 16px;
    }
    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 6px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 12px 16px;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        font-size: 15px;
        color: var(--text);
        background: var(--white);
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(30,77,60,0.08);
        outline: none;
    }
    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .form-submit {
        width: 100%;
        padding: 14px;
        font-size: 16px;
        font-weight: 700;
        background: var(--accent);
        color: var(--text);
        border-radius: var(--radius-sm);
        border: none;
        transition: all var(--transition);
        letter-spacing: 0.5px;
    }
    .form-submit:hover {
        background: var(--accent-hover);
        box-shadow: 0 4px 12px rgba(217,154,43,0.3);
        transform: translateY(-1px);
    }
    .form-submit:active {
        transform: translateY(1px);
    }

    /* Footer */
    .footer {
        background: var(--primary-dark);
        color: var(--text-on-dark);
        padding: 56px 0 24px;
    }
    .footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer__brand h3 {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
        color: var(--white);
    }
    .footer__brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(245,244,239,0.7);
        margin: 0;
    }
    .footer__col h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--white);
        margin-bottom: 16px;
    }
    .footer__col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer__col ul li {
        margin-bottom: 8px;
    }
    .footer__col ul a {
        color: rgba(245,244,239,0.7);
        font-size: 14px;
        transition: color var(--transition);
    }
    .footer__col ul a:hover {
        color: var(--accent);
    }
    .footer__contact {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(245,244,239,0.7);
    }
    .footer__bottom {
        border-top: 1px solid rgba(245,244,239,0.15);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(245,244,239,0.55);
    }

    /* Mobile Drawer */
    .nav__drawer {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        z-index: 999;
        padding: 24px;
        flex-direction: column;
        gap: 12px;
        overflow-y: auto;
    }
    .nav__drawer--open {
        display: flex;
    }
    .nav__drawer a {
        font-size: 18px;
        font-weight: 600;
        color: var(--text);
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
    }
    .nav__drawer a.nav__cta {
        margin-top: auto;
        text-align: center;
        border-bottom: none;
        color: var(--text);
        background: var(--accent);
        border-radius: var(--radius-sm);
        padding: 14px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .plan-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .features-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .metrics-band {
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .cta-form-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .footer__grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }

    @media (max-width: 768px) {
        .nav {
            display: none;
        }
        .nav__toggle {
            display: flex;
        }
        .nav__drawer {
            display: none;
        }
        .nav__drawer--open {
            display: flex;
        }
        .section {
            padding: 48px 0;
        }
        .page-hero {
            padding: 36px 0 40px;
        }
        .plan-grid {
            grid-template-columns: 1fr;
        }
        .features-grid {
            grid-template-columns: 1fr;
        }
        .metrics-band {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .steps {
            grid-template-columns: 1fr;
        }
        .form-row {
            grid-template-columns: 1fr;
        }
        .footer__grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer__bottom {
            flex-direction: column;
            text-align: center;
        }
        .metric-item__num {
            font-size: 22px;
        }
        .section__title {
            font-size: 24px;
        }
    }

    @media (max-width: 520px) {
        :root {
            --container-pad: 12px;
        }
        .page-hero__title {
            font-size: 26px;
        }
        .page-hero__sub {
            font-size: 15px;
        }
        .metrics-band {
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }
        .metric-item {
            padding: 14px;
        }
        .plan-card {
            padding: 24px 20px;
        }
        .table-wrap {
            margin: 0 -12px;
            border-radius: 0;
            border-left: none;
            border-right: none;
        }
    }