/* roulang page: index */
/* ===== Design Tokens ===== */
:root {
  --primary: #0E5E4F;
  --primary-dark: #0A483D;
  --primary-light: #E3EFEC;
  --accent: #FF6B2C;
  --accent-dark: #E4551A;
  --bg: #F7F6F2;
  --dark: #1B201E;
  --dark-soft: #242B28;
  --card: #FFFFFF;
  --border: #E6E2D8;
  --text: #1F231F;
  --text-muted: #68706B;
  --error: #C93A24;
  --success: #2E7D5B;
  --radius: 12px;
  --radius-btn: 100px;
  --shadow-card: 0 12px 30px rgba(30, 34, 31, 0.08);
  --shadow-hover: 0 18px 40px rgba(30, 34, 31, 0.12);
  --container: 1200px;
  --transition: all 0.25s ease-out;
  --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-num: 'Oswald', 'DIN Alternate', 'Arial Narrow', sans-serif;
}

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

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

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

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

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

p {
  color: var(--text);
  line-height: 1.8;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
  margin: 16px auto 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
  min-height: 44px;
}

.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 94, 79, 0.3);
}

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

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-ghost:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-ghost-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

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

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

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 44, 0.35);
}

.btn-small {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.btn-full {
  width: 100%;
}

.btn .arrow {
  margin-left: 8px;
  display: inline-block;
  transition: transform 0.25s ease-out;
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ===== Badge / Tag ===== */
.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 12px;
  border-radius: 100px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: var(--transition);
}

.badge:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(247, 246, 242, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: rgba(230, 226, 216, 0.8);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}

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

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

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  transition: color 0.2s ease-out;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease-out;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.header-cta {
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
  background: var(--primary);
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--primary-dark);
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(27, 32, 30, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer a {
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  padding: 10px 24px;
  line-height: 40px;
  transition: color 0.2s ease-out;
}

.mobile-drawer a:hover,
.mobile-drawer a.active {
  color: var(--accent);
}

.mobile-drawer-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.mobile-drawer-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 80vh;
  max-height: 800px;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--primary-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 72, 61, 0.94) 0%, rgba(14, 94, 79, 0.82) 50%, rgba(10, 72, 61, 0.6) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero-content {
  color: #fff;
}

.hero-content h1 {
  color: #fff;
  margin-bottom: 24px;
}

.hero-content .subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
  background: transparent;
}

.hero-actions .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats {
  display: flex;
  gap: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 32px;
  max-width: 520px;
}

.hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.02em;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.hero-visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  z-index: 1;
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* ===== Steps ===== */
.steps {
  background: var(--bg);
}

.steps .section-header h2::after {
  margin: 16px auto 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 15%;
  right: 15%;
  height: 1px;
  background: var(--border);
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.step-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-item:nth-child(2) {
  border-left-color: transparent;
  border-right-color: transparent;
  border-radius: 0;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: 50%;
  background: var(--card);
}

.step-item h3 {
  margin-bottom: 12px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Cases ===== */
.cases {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

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

.case-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.case-img img {
  width: 100%;
  height: 100%;
  transition: transform 0.4s ease-out;
}

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

.case-body {
  padding: 24px;
}

.case-body .badge {
  margin-bottom: 12px;
}

.case-body h3 {
  margin-bottom: 8px;
}

.case-body p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.case-result {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.case-result strong {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

/* ===== News / CMS ===== */
.news {
  background: var(--bg);
}

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

.news-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.news-content {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-content .badge {
  align-self: flex-start;
  margin-bottom: 14px;
}

.news-content h3 {
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content h3 a:hover {
  color: var(--primary);
}

.news-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}

.news-meta time {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}

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

.news-link::after {
  content: '→';
  transition: transform 0.25s ease-out;
}

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

.news-link:hover::after {
  transform: translateX(4px);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 24px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq {
  background: var(--card);
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-top: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  background: transparent;
  transition: color 0.2s ease-out;
}

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

.faq-question .icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
}

.faq-question .icon::before,
.faq-question .icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s ease-out;
}

.faq-question .icon::before {
  width: 14px;
  height: 2px;
  left: 5px;
  top: 11px;
}

.faq-question .icon::after {
  width: 2px;
  height: 14px;
  left: 11px;
  top: 5px;
}

.faq-item.open .faq-question .icon::before {
  opacity: 0;
}

.faq-item.open .faq-question .icon::after {
  transform: rotate(45deg);
}

.faq-item.open .faq-question {
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-muted);
  padding-bottom: 24px;
  max-width: 680px;
  line-height: 1.8;
}

/* ===== Apply CTA ===== */
.apply {
  position: relative;
  background: var(--dark);
  overflow: hidden;
  padding: 96px 0;
}

.apply::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.apply::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary), var(--accent));
}

.apply-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.apply-content {
  color: #fff;
}

.apply-content h2 {
  color: #fff;
  margin-bottom: 20px;
}

.apply-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  font-size: 16px;
}

.apply-content ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.apply-content li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

.apply-content li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.apply-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 40px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  width: 100%;
  height: 48px;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 15px;
  padding: 0 4px;
  transition: border-color 0.2s ease-out;
  border-radius: 0;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.form-group select option {
  color: var(--text);
  background: #fff;
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group select:focus {
  border-bottom-color: var(--accent);
}

.form-group.has-error input {
  border-bottom-color: var(--error);
}

.form-group .error-msg {
  display: none;
  font-size: 12px;
  color: var(--error);
  margin-top: 6px;
}

.form-group.has-error .error-msg {
  display: block;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success .success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
}

.form-success p {
  color: #fff;
  font-size: 16px;
  font-weight: 500;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand .footer-logo span {
  font-size: 20px;
  font-weight: 800;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: color 0.2s ease-out;
}

.footer-col a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
}

.footer-contact .contact-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.45);
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

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

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    display: none;
  }

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

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

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

@media (max-width: 768px) {
  section {
    padding: 56px 0;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 26px;
  }

  .container {
    padding: 0 16px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: flex;
  }

  .hero {
    min-height: 70vh;
    padding: 96px 0 64px;
  }

  .hero-content .subtitle {
    font-size: 16px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .stat-num {
    font-size: 28px;
  }

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

  .steps-grid::before {
    display: none;
  }

  .step-item:nth-child(2) {
    border-left-color: var(--border);
    border-right-color: var(--border);
    border-radius: var(--radius);
  }

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

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

  .apply-form {
    padding: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-contact {
    margin-bottom: 16px;
  }
}

@media (max-width: 520px) {
  .hero-actions .btn {
    width: 100%;
  }

  .case-img {
    height: 180px;
  }

  .faq-question {
    font-size: 16px;
  }

  .btn-full {
    width: 100%;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* roulang page: category1 */
:root {
      --primary: #0E5E4F;
      --primary-dark: #0A483D;
      --accent: #FF6B2C;
      --bg: #F7F6F2;
      --dark: #1B201E;
      --card: #FFFFFF;
      --border: #E6E2D8;
      --text: #1F231F;
      --muted: #68706B;
      --error: #C93A24;
      --radius: 12px;
      --radius-btn: 100px;
      --shadow: 0 12px 30px rgba(30, 34, 31, 0.08);
      --transition: 180ms ease-out;
      --container: 1200px;
      --section-gap: 96px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
      object-fit: cover;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    ul {
      list-style: none;
    }

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

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section {
      padding: 96px 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.04em;
      margin-bottom: 12px;
    }

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

    .section-title {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--text);
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--muted);
      max-width: 640px;
      line-height: 1.8;
    }

    .section-head {
      margin-bottom: 48px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      white-space: nowrap;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(14, 94, 79, 0.2);
    }

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

    .btn-outline:hover {
      background: rgba(14, 94, 79, 0.08);
      transform: translateY(-2px);
    }

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

    .btn-light:hover {
      background: rgba(255, 255, 255, 0.88);
      transform: translateY(-2px);
    }

    .btn-ghost-light {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.7);
    }

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

    .btn-small {
      height: 40px;
      padding: 0 20px;
      font-size: 14px;
    }

    .btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      height: 24px;
      padding: 0 12px;
      border-radius: var(--radius-btn);
      background: rgba(14, 94, 79, 0.1);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      transition: all var(--transition);
    }

    .badge:hover {
      background: var(--primary);
      color: #fff;
    }

    /* ===== Header ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      z-index: 100;
      background: rgba(247, 246, 242, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(230, 226, 216, 0.9);
      transition: background var(--transition), border-color var(--transition);
    }

    .site-header.scrolled {
      background: rgba(247, 246, 242, 0.97);
      border-bottom-color: var(--border);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-logo svg {
      width: 28px;
      height: 28px;
    }

    .brand-logo span {
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
    }

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

    .main-nav .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      padding: 6px 0;
      transition: color var(--transition);
    }

    .main-nav .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 20px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform var(--transition);
    }

    .main-nav .nav-link:hover {
      color: var(--primary);
    }

    .main-nav .nav-link:hover::after {
      transform: scaleX(1);
    }

    .main-nav .nav-link.active {
      color: var(--primary);
      font-weight: 600;
    }

    .main-nav .nav-link.active::after {
      transform: scaleX(1);
    }

    .main-nav .nav-link:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .header-cta {
      margin-left: 8px;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      background: transparent;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      padding: 10px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: all var(--transition);
    }

    .menu-toggle:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: 100%;
      height: 100vh;
      background: var(--dark);
      z-index: 200;
      padding: 96px 32px 32px;
      transform: translateX(100%);
      transition: transform 260ms ease-out;
      visibility: hidden;
    }

    .mobile-drawer.open {
      transform: translateX(0);
      visibility: visible;
    }

    .mobile-drawer .drawer-link {
      display: block;
      color: #fff;
      font-size: 18px;
      line-height: 40px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-drawer .drawer-link:hover {
      color: var(--accent);
    }

    .mobile-drawer .drawer-cta {
      margin-top: 32px;
      display: inline-flex;
    }

    .drawer-close {
      position: absolute;
      top: 20px;
      right: 24px;
      width: 44px;
      height: 44px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50%;
      color: #fff;
      font-size: 20px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all var(--transition);
    }

    .drawer-close:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* ===== Category Header ===== */
    .category-header {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      padding: 120px 0 72px;
      background: linear-gradient(110deg, rgba(10, 72, 61, 0.92), rgba(14, 94, 79, 0.78)),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: #fff;
    }

    .category-header .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 20px;
    }

    .category-header .breadcrumb a {
      color: rgba(255, 255, 255, 0.7);
      transition: color var(--transition);
    }

    .category-header .breadcrumb a:hover {
      color: #fff;
    }

    .category-header .breadcrumb .sep {
      opacity: 0.5;
    }

    .category-header .breadcrumb .current {
      color: #fff;
    }

    .category-header h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .category-header .category-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.88);
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .category-header .category-stats {
      display: flex;
      gap: 48px;
      flex-wrap: wrap;
    }

    .category-header .stat-item {
      position: relative;
    }

    .category-header .stat-item .stat-num {
      font-family: 'Oswald', 'DIN Alternate', 'PingFang SC', sans-serif;
      font-size: 36px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1.2;
    }

    .category-header .stat-item .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
      margin-top: 4px;
    }

    /* ===== Info Cards ===== */
    .info-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .info-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .info-card .card-cover {
      width: 100%;
      height: 200px;
      overflow: hidden;
    }

    .info-card .card-cover img {
      width: 100%;
      height: 100%;
      transition: transform 400ms ease-out;
    }

    .info-card:hover .card-cover img {
      transform: scale(1.03);
    }

    .info-card .card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .info-card .card-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .info-card .card-date {
      font-size: 13px;
      color: var(--muted);
    }

    .info-card .card-title {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text);
      margin-bottom: 10px;
      transition: color var(--transition);
    }

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

    .info-card .card-summary {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      flex: 1;
    }

    .info-card .card-link {
      margin-top: 16px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap var(--transition);
    }

    .info-card .card-link:hover {
      gap: 10px;
    }

    /* ===== Feature Steps ===== */
    .feature-section {
      background: var(--card);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .feature-steps {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      padding-top: 40px;
    }

    .feature-steps::before {
      content: '';
      position: absolute;
      top: 92px;
      left: 8%;
      right: 8%;
      height: 1px;
      background: var(--border);
    }

    .feature-step {
      position: relative;
      text-align: center;
      padding: 0 16px;
    }

    .feature-step .step-num {
      font-family: 'Oswald', 'DIN Alternate', sans-serif;
      font-size: 48px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1;
      display: block;
      margin-bottom: 16px;
    }

    .feature-step .step-icon {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: rgba(14, 94, 79, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      color: var(--primary);
    }

    .feature-step .step-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .feature-step .step-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }

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

    .scene-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 32px;
      display: flex;
      gap: 20px;
      transition: all var(--transition);
    }

    .scene-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }

    .scene-card .scene-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(255, 107, 44, 0.12);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .scene-card .scene-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .scene-card .scene-desc {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
    }

    /* ===== Process ===== */
    .process-section {
      background: var(--dark);
      color: #fff;
    }

    .process-section .section-title {
      color: #fff;
    }

    .process-section .section-subtitle {
      color: rgba(255, 255, 255, 0.7);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 48px;
    }

    .process-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius);
      padding: 32px;
      transition: all var(--transition);
    }

    .process-item:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.25);
      transform: translateY(-4px);
    }

    .process-item .process-num {
      font-family: 'Oswald', 'DIN Alternate', sans-serif;
      font-size: 28px;
      font-weight: 700;
      color: var(--accent);
      display: block;
      margin-bottom: 12px;
    }

    .process-item .process-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .process-item .process-desc {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.7;
    }

    /* ===== CTA Banner ===== */
    .cta-banner {
      background: rgba(14, 94, 79, 0.06);
      border: 1px solid rgba(14, 94, 79, 0.2);
      border-radius: var(--radius);
      padding: 32px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      margin-top: 96px;
    }

    .cta-banner .cta-text {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
    }

    .cta-banner .cta-sub {
      font-size: 14px;
      color: var(--muted);
      margin-top: 4px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 28px 0;
    }

    .faq-item + .faq-item {
      border-top: none;
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
      background: transparent;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
      padding: 0;
    }

    .faq-question .faq-arrow {
      width: 20px;
      height: 20px;
      border-right: 2px solid var(--primary);
      border-bottom: 2px solid var(--primary);
      transform: rotate(45deg);
      transition: transform var(--transition);
      flex-shrink: 0;
      margin-top: -8px;
    }

    .faq-item.open .faq-question .faq-arrow {
      transform: rotate(225deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 260ms ease-out;
    }

    .faq-answer .answer-inner {
      font-size: 15px;
      color: var(--muted);
      line-height: 1.8;
      padding-top: 12px;
    }

    /* ===== CTA Dark ===== */
    .cta-section {
      background: var(--dark);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(14, 94, 79, 0.35), transparent 50%),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      opacity: 0.4;
    }

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

    .cta-inner {
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-inner h2 {
      font-size: 38px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .cta-inner p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.75);
      max-width: 560px;
      margin: 0 auto 32px;
    }

    .cta-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .trust-note {
      margin-top: 24px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.55);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      border-top: 2px solid var(--primary);
      padding: 64px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .footer-logo svg {
      width: 28px;
      height: 28px;
    }

    .footer-logo span {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
    }

    .footer-brand p {
      font-size: 15px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.55);
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

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

    .footer-col ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      transition: all var(--transition);
    }

    .footer-col ul li a:hover {
      color: #fff;
      text-decoration: underline;
    }

    .footer-contact .contact-label {
      display: block;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
      margin-bottom: 2px;
    }

    .footer-contact a,
    .footer-contact span {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 24px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.5);
    }

    /* ===== Reveal Animation ===== */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 500ms ease-out, transform 500ms ease-out;
    }

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

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      .reveal {
        opacity: 1;
        transform: none;
        transition: none;
      }
      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
      }
    }

    /* ===== Responsive ===== */
    @media (max-width: 991px) {
      .info-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .feature-steps::before {
        display: none;
      }
      .feature-steps {
        gap: 24px;
      }
    }

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

      .section {
        padding: 56px 0;
      }

      .section-title {
        font-size: 28px;
      }

      .main-nav {
        display: none;
      }

      .menu-toggle {
        display: flex;
      }

      .category-header {
        min-height: auto;
        padding: 104px 0 48px;
      }

      .category-header h1 {
        font-size: 34px;
      }

      .category-header .category-stats {
        gap: 24px;
      }

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

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

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

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

      .cta-banner {
        padding: 24px;
        margin-top: 56px;
      }

      .cta-inner h2 {
        font-size: 28px;
      }

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

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .category-header .category-stats {
        flex-direction: column;
        gap: 16px;
      }

      .scene-card {
        flex-direction: column;
        gap: 12px;
        padding: 24px;
      }

      .btn {
        width: 100%;
      }

      .cta-actions {
        flex-direction: column;
        width: 100%;
        padding: 0 16px;
      }
    }

/* roulang page: article */
:root {
    --primary: #0E5E4F;
    --primary-dark: #0A483D;
    --primary-light: #E8F2EE;
    --accent: #FF6B2C;
    --bg: #F7F6F2;
    --dark: #1B201E;
    --card: #FFFFFF;
    --border: #E6E2D8;
    --border-strong: #C9C0B2;
    --text: #1F231F;
    --text-secondary: #68706B;
    --error: #C93A24;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 12px 30px rgba(30, 34, 31, .08);
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
    --font-num: 'Oswald', 'DIN Alternate', 'Arial Narrow', sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background-color: var(--bg);
    background-image: radial-gradient(#E9E3D6 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: var(--primary);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 28px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background-color .25s ease-out, border-color .25s ease-out, color .25s ease-out, transform .25s ease-out, box-shadow .25s ease-out;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.btn-primary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-accent:hover {
    background: #E8551E;
    border-color: #E8551E;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255, 107, 44, .22);
}
.btn-small {
    height: 42px;
    padding: 0 20px;
    font-size: 14px;
}
@media (max-width: 520px) {
    .btn {
        height: 44px;
        padding: 0 22px;
        font-size: 14px;
    }
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    background: rgba(247, 246, 242, .88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(30, 34, 31, .06);
}
.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo svg {
    flex-shrink: 0;
}
.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.01em;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-link {
    position: relative;
    display: inline-block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    padding: 8px 0;
    transition: color .25s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease-out;
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link:hover::after {
    transform: scaleX(1);
}
.nav-link.active {
    color: var(--primary);
    font-weight: 700;
}
.nav-link.active::after {
    transform: scaleX(1);
}
.header-cta {
    margin-left: 8px;
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 0;
    background: transparent;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    position: relative;
    z-index: 102;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    margin-bottom: 5px;
    transition: transform .3s ease, opacity .3s ease, background-color .3s ease;
}
.nav-toggle span:last-child {
    margin-bottom: 0;
}
.nav-toggle.active span {
    background: #fff;
}
.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.mobile-drawer {
    display: none;
}
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
    .site-header {
        height: 64px;
    }
    .logo-text {
        font-size: 18px;
    }
    .mobile-drawer {
        position: fixed;
        inset: 0;
        z-index: 101;
        background: var(--dark);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
    }
    .mobile-drawer.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .mobile-drawer-link {
        display: inline-block;
        color: rgba(255, 255, 255, .85);
        font-size: 18px;
        text-decoration: none;
        padding: 10px 30px;
        line-height: 40px;
        border-bottom: 1px solid transparent;
        transition: color .25s ease;
    }
    .mobile-drawer-link:hover,
    .mobile-drawer-link.active {
        color: var(--accent);
    }
    .mobile-drawer .btn {
        margin-top: 16px;
        min-width: 160px;
    }
}
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s ease-out, transform .5s ease-out;
}
.reveal.revealed {
    opacity: 1;
    transform: none;
}
@media (max-width: 768px) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}
.article-hero {
    position: relative;
    background: linear-gradient(rgba(247, 246, 242, .92), rgba(247, 246, 242, .97)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding: 140px 0 56px;
    border-bottom: 2px solid var(--primary);
    margin-top: 72px;
}
@media (max-width: 768px) {
    .article-hero {
        margin-top: 64px;
        padding: 100px 0 40px;
    }
}
.article-head {
    max-width: 860px;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color .25s ease;
}
.breadcrumb a:hover {
    color: var(--primary);
}
.crumb-sep {
    color: var(--border-strong);
    font-size: 12px;
}
.crumb-current {
    color: var(--text);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}
.article-title {
    position: relative;
    font-size: 44px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 20px 0 20px;
    padding-left: 24px;
}
.article-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.08em;
    width: 5px;
    height: 0.85em;
    border-radius: 3px;
    background: var(--primary);
}
@media (max-width: 768px) {
    .article-title {
        font-size: 32px;
        padding-left: 18px;
        line-height: 1.2;
    }
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px 20px;
    font-size: 14px;
    color: var(--text-secondary);
}
.article-cat {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 14px;
    border-radius: 100px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: .02em;
    transition: background-color .25s ease;
}
.article-cat:hover {
    background: var(--primary-dark);
}
.article-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-date::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
}
.article-author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-author::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
}
.article-section {
    padding: 64px 0 32px;
}
@media (max-width: 768px) {
    .article-section {
        padding: 40px 0 24px;
    }
}
.article-content {
    max-width: 760px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.9;
    color: var(--text);
}
.article-content p {
    margin-bottom: 28px;
}
.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.3;
    margin: 48px 0 20px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
    letter-spacing: -0.01em;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin: 36px 0 16px;
    padding-left: 12px;
    border-left: 3px solid var(--accent);
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 12px;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 32px 0;
    object-fit: cover;
}
.article-content blockquote {
    border-left: 3px solid var(--primary);
    background: var(--primary-light);
    padding: 18px 24px;
    margin: 32px 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-size: 15px;
}
.article-content blockquote p {
    margin-bottom: 0;
}
.article-content code {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, 'Courier New', monospace;
    font-size: 14px;
    background: #EFECE5;
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--border);
}
.article-content pre {
    background: #EFECE5;
    padding: 20px 24px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 32px 0;
    border: 1px solid var(--border);
    font-size: 14px;
    line-height: 1.7;
}
.article-content pre code {
    padding: 0;
    background: transparent;
    border: 0;
}
.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 26px;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color .25s ease;
}
.article-content a:hover {
    color: var(--accent);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}
.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}
.article-content th {
    background: var(--primary-light);
    font-weight: 600;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    max-width: 760px;
    margin: 48px auto 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tag-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-right: 4px;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 14px;
    border-radius: 100px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.tag-item:hover {
    background: var(--primary);
    color: #fff;
}
.post-nav {
    max-width: 760px;
    margin: 32px auto 72px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 600px) {
    .post-nav {
        grid-template-columns: 1fr;
    }
}
.post-nav-link {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    text-decoration: none;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.post-nav-link:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.post-nav-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}
.post-nav-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}
.post-nav-arrow {
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    transition: transform .25s ease;
    flex-shrink: 0;
}
.post-prev .post-nav-arrow {
    order: -1;
}
.post-prev:hover .post-nav-arrow {
    transform: translateX(-4px);
}
.post-next:hover .post-nav-arrow {
    transform: translateX(4px);
}
.article-not-found {
    text-align: center;
    padding: 80px 0;
    max-width: 760px;
    margin: 0 auto;
}
.not-found-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.article-not-found h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--text);
}
.article-not-found p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 16px;
}
.related-section {
    padding: 64px 0 40px;
    position: relative;
}
.related-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 64px;
    height: 2px;
    background: var(--accent);
}
.section-head {
    text-align: center;
    margin-bottom: 40px;
}
.section-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
}
@media (max-width: 768px) {
    .section-head h2 {
        font-size: 26px;
    }
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 991px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}
.news-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.news-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}
.news-card-media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--primary-light);
}
.news-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.news-card:hover .news-card-media img {
    transform: scale(1.03);
}
.news-card-body {
    padding: 20px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-card-cat {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 12px;
    border-radius: 100px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}
.news-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-body h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color .25s ease;
}
.news-card-body h3 a:hover {
    color: var(--primary);
}
.news-card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.news-card-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
    border-top: 1px dashed var(--border);
    padding-top: 14px;
}
.cta-section {
    background: var(--dark);
    background-image: linear-gradient(rgba(27, 32, 30, .92), rgba(27, 32, 30, .92)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    padding: 88px 0;
    margin-top: 48px;
    position: relative;
    overflow: hidden;
}
.cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
}
@media (max-width: 768px) {
    .cta-section {
        padding: 64px 0;
    }
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
}
@media (max-width: 768px) {
    .cta-inner {
        flex-direction: column;
        text-align: center;
        gap: 28px;
    }
}
.cta-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .06em;
    margin-bottom: 10px;
}
.cta-copy h2 {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
@media (max-width: 768px) {
    .cta-copy h2 {
        font-size: 26px;
    }
}
.cta-copy p {
    color: rgba(255, 255, 255, .75);
    font-size: 15px;
    line-height: 1.7;
    max-width: 560px;
}
.cta-action {
    flex-shrink: 0;
}
.cta-action .btn {
    font-size: 16px;
    height: 52px;
    padding: 0 36px;
}
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .75);
    border-top: 2px solid var(--primary);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
}
@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}
@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 12px;
}
.footer-logo span {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .6);
    max-width: 320px;
}
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-col ul {
    list-style: none;
    padding: 0;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    color: rgba(255, 255, 255, .7);
    text-decoration: none;
    font-size: 14px;
    transition: color .25s ease;
}
.footer-col ul a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-contact li {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.footer-contact .contact-label {
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
}
.footer-contact a {
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    font-size: 14px;
}
.footer-contact a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
}
@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 16px 0;
    }
}