/* roulang page: index */
:root {
  --primary: #2d6a4f;
  --primary-dark: #1b4332;
  --primary-light: #40916c;
  --accent: #d4a373;
  --accent-light: #fefae0;
  --bg: #f8f9fa;
  --bg-alt: #ffffff;
  --bg-deep: #1b4332;
  --text: #2b2d42;
  --text-weak: #6c757d;
  --text-on-dark: #f8f9fa;
  --border: #e9ecef;
  --border-light: #f1f3f5;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
  --space-section: 96px;
  --space-section-sm: 64px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

/* Top bar */
.top-bar {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  padding: 8px 0;
}

.top-bar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 24px;
}

.top-bar a {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
}

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

/* Header & Navigation */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.logo .logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(45,106,79,0.3);
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.3px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta .btn-header {
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(45,106,79,0.25);
  transition: var(--transition);
}

.nav-cta .btn-header:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(27,67,50,0.3);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: #fff;
  z-index: 2000;
  padding: 80px 32px 32px;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform 0.4s ease;
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 1.05rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
}

.mobile-nav a.active {
  color: var(--primary);
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
}

/* Hero Section */
.hero {
  position: relative;
  padding: 120px 0 140px;
  background: linear-gradient(135deg, #f0f7f4 0%, #e8f0ec 50%, #f8f9fa 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45,106,79,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--primary-dark);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(212,163,115,0.3);
}

.hero-content h1 {
  font-size: 3.2rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: var(--text);
}

.hero-content h1 .highlight {
  color: var(--primary);
  position: relative;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-weak);
  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 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(45,106,79,0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(27,67,50,0.35);
  color: #fff;
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(45,106,79,0.25);
}

.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  color: var(--primary-dark);
}

.hero-visual {
  position: relative;
}

.hero-visual .hero-image {
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotate(2deg);
  transition: var(--transition);
}

.hero-visual .hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

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

.hero-stat-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #fff;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

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

.hero-stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.3rem;
}

.hero-stat-card .stat-text .h4 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.hero-stat-card .stat-text p {
  font-size: 0.85rem;
  color: var(--text-weak);
  margin: 0;
}

/* Section styles */
.section {
  padding: var(--space-section) 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

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

.section-header .eyebrow {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-header p {
  color: var(--text-weak);
  font-size: 1.05rem;
}

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

.feature-card {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  transition: var(--transition);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(45,106,79,0.2);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  color: var(--text-weak);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
}

.feature-link i {
  transition: var(--transition);
}

.feature-link:hover i {
  transform: translateX(4px);
}

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.category-card .cat-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.category-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
  z-index: 1;
}

.category-card .cat-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
  color: #fff;
}

.category-card .cat-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.category-card h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.category-card p {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: 16px;
}

.category-card .cat-link {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-card .cat-link i {
  transition: var(--transition);
}

.category-card:hover .cat-link i {
  transform: translateX(6px);
}

/* Latest posts */
.latest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.latest-card {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.latest-card .post-thumb {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.latest-card .post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.latest-card:hover .post-thumb img {
  transform: scale(1.05);
}

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

.latest-card .post-cats {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-light);
  color: var(--primary-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}

.latest-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.latest-card h3 a {
  color: var(--text);
}

.latest-card h3 a:hover {
  color: var(--primary);
}

.latest-card p {
  color: var(--text-weak);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  font-size: 0.82rem;
  color: var(--text-weak);
}

.post-meta i {
  margin-right: 4px;
  color: var(--primary-light);
}

/* Stats section */
.stats-section {
  background: var(--bg-deep);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,163,115,0.15) 0%, transparent 70%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 24px;
}

.stat-item .stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item .stat-label {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

/* Process section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: process;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.process-step::before {
  counter-increment: process;
  content: "0" counter(process);
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
}

.process-step .step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  font-size: 1.3rem;
  border: 2px solid var(--accent);
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.process-step p {
  color: var(--text-weak);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTA section */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(27,67,50,0.92), rgba(45,106,79,0.85));
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  color: #fff;
}

.cta-content h2 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.cta-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 36px;
}

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

/* FAQ section */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--border);
}

.faq-item summary {
  padding: 24px 32px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  transition: var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 32px 24px;
  color: var(--text-weak);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: flex-start;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-weak);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.contact-list {
  list-style: none;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-weak);
}

.contact-list li i {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
}

.contact-form-wrap {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-form-wrap h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
  font-weight: 700;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(45,106,79,0.1);
  background: #fff;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(45,106,79,0.2);
}

.form-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27,67,50,0.3);
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 24px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
}

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.newsletter-form input {
  flex: 1;
  padding: 10px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
}

.newsletter-form button {
  padding: 10px 20px;
  border-radius: 50px;
  border: none;
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background: #fff;
  transform: translateY(-2px);
}

/* Breadcrumb */
.breadcrumb {
  padding: 80px 0 40px;
  background: linear-gradient(135deg, #f0f7f4, #e8f0ec);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.breadcrumb h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.breadcrumb-nav {
  font-size: 0.9rem;
  color: var(--text-weak);
}

.breadcrumb-nav a {
  color: var(--text-weak);
}

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

.breadcrumb-nav i {
  font-size: 0.75rem;
  margin: 0 8px;
}

/* Inner page hero */
.page-hero {
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  position: relative;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(27,67,50,0.85) 0%, rgba(45,106,79,0.6) 100%);
}

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

.page-hero h1 {
  color: #fff;
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  max-width: 640px;
}

/* Article card grid */
.article-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.article-card .card-image {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.article-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .card-image img {
  transform: scale(1.05);
}

.article-card .card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card .card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.article-card .card-body h3 a {
  color: var(--text);
}

.article-card .card-body h3 a:hover {
  color: var(--primary);
}

.article-card .card-meta {
  font-size: 0.8rem;
  color: var(--text-weak);
  margin-bottom: 8px;
}

/* Detail page */
.detail-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.detail-header {
  margin-bottom: 40px;
}

.detail-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.detail-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-weak);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.detail-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.detail-meta i {
  color: var(--primary-light);
}

.detail-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

.detail-content {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text);
}

.detail-content h2 {
  font-size: 1.6rem;
  margin: 40px 0 16px;
  font-weight: 700;
  color: var(--text);
}

.detail-content h3 {
  font-size: 1.25rem;
  margin: 32px 0 12px;
  font-weight: 600;
}

.detail-content h4 {
  font-size: 1.1rem;
  margin: 24px 0 8px;
  font-weight: 600;
}

.detail-content p {
  margin-bottom: 20px;
  color: var(--text);
}

.detail-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}

.detail-content blockquote {
  border-left: 4px solid var(--primary);
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--accent-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-weak);
}

.detail-content ul,
.detail-content ol {
  margin: 0 0 20px 20px;
}

.detail-content li {
  margin-bottom: 8px;
}

.detail-content a {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.detail-content a:hover {
  color: var(--primary-dark);
}

.detail-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.detail-share span {
  font-weight: 600;
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 0.9rem;
}

.share-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

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

.related-card {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.related-card img {
  height: 160px;
  width: 100%;
  object-fit: cover;
}

.related-card .rel-body {
  padding: 20px;
}

.related-card h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}

.related-card .rel-meta {
  font-size: 0.8rem;
  color: var(--text-weak);
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --space-section: 80px;
  }
  
  .hero-content h1 {
    font-size: 2.6rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
    --space-section-sm: 48px;
  }
  
  .container {
    padding: 0 20px;
  }
  
  .main-nav {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-cta .btn-header {
    display: none;
  }
  
  .hero {
    padding: 80px 0 100px;
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
  
  .hero-visual .hero-image img {
    height: 320px;
  }
  
  .hero-stat-card {
    left: 10px;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .latest-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .article-card-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .page-hero h1 {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .hero-stat-card {
    bottom: 0;
  }
  
  .detail-header h1 {
    font-size: 1.6rem;
  }
  
  .detail-share {
    flex-wrap: wrap;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  
  .hero {
    padding: 60px 0 80px;
  }
  
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .section-header h2 {
    font-size: 1.6rem;
  }
  
  .category-card {
    min-height: 260px;
  }
  
  .category-card h3 {
    font-size: 1.4rem;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .breadcrumb .container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
  }
  
  .page-hero h1 {
    font-size: 1.6rem;
  }
  
  .contact-form-wrap {
    padding: 24px;
  }
  
  .faq-item summary {
    padding: 20px;
  }
  
  .faq-item .faq-answer {
    padding: 0 20px 20px;
  }
  
  .detail-header h1 {
    font-size: 1.4rem;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

/* Utility */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 32px; }
.mt-4 { margin-top: 48px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 32px; }
.mb-4 { margin-bottom: 48px; }

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

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

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

.empty-alert {
  background: var(--accent-light);
  border: 1px solid rgba(212,163,115,0.3);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  color: var(--text-weak);
}

.not-found {
  text-align: center;
  padding: 80px 0;
}

.not-found h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.not-found p {
  color: var(--text-weak);
  margin-bottom: 32px;
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #1b3a5c;
  --primary-light: #2c5a85;
  --primary-dark: #11273d;
  --accent: #e8734a;
  --accent-light: #ff9b6e;
  --accent-2: #f0a35e;
  --bg: #f6f8fb;
  --bg-alt: #eef1f6;
  --card: #ffffff;
  --text: #1d2939;
  --text-light: #5a6b7d;
  --text-muted: #8a94a3;
  --border: #e5e9f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(27, 58, 92, 0.06);
  --shadow-md: 0 8px 24px rgba(27, 58, 92, 0.09);
  --shadow-lg: 0 16px 40px rgba(27, 58, 92, 0.14);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

/* ========== 基础 Reset ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }

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

/* ========== 容器 ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  transition: var(--transition);
  line-height: 1.2;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(232, 115, 74, 0.35);
}
.btn-primary:hover {
  background: #d85f37;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(232, 115, 74, 0.45);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(232, 115, 74, 0.3);
}
.btn-header:hover {
  background: #d85f37;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232, 115, 74, 0.4);
  color: #fff;
}

/* ========== 导航 Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(27, 58, 92, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 32px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  position: relative;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 50px;
  transition: var(--transition);
}
.main-nav a:hover {
  color: var(--primary);
  background: rgba(27,58,92,0.05);
}
.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(27,58,92,0.08);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--primary);
  padding: 8px;
}

/* ========== 分类 Banner (Hero) ========== */
.category-hero {
  position: relative;
  padding: 120px 0 110px;
  background: linear-gradient(135deg, #0f2438 0%, #1b3a5c 55%, #2c5a85 100%);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,36,56,0.92) 20%, rgba(27,58,92,0.75) 60%, rgba(44,90,133,0.55) 100%);
}
.category-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: var(--accent-2); }
.breadcrumb .sep { font-size: 12px; color: rgba(255,255,255,0.5); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 20px;
}
.category-hero h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 680px;
}
.category-hero p.lead {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hero-meta .item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}
.hero-meta .item i {
  font-size: 18px;
  color: var(--accent-2);
}

/* ========== 板块通用 ========== */
.section {
  padding: 90px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(232,115,74,0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.section-head p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========== 分类简介 ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.intro-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition);
}
.intro-media:hover img { transform: scale(1.04); }
.intro-media .img-overlay {
  position: absolute;
  bottom: 16px;
  left: 16px;
  padding: 10px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.16);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 13px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.intro-content h2 {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.intro-content p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}
.intro-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.point-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.point-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(232,115,74,0.3);
}
.point-item i {
  font-size: 18px;
  color: var(--accent);
  margin-top: 3px;
}
.point-item strong {
  display: block;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 4px;
}
.point-item span {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========== 内容卡片网格 ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.content-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,115,74,0.25);
}
.card-media {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.content-card:hover .card-media img { transform: scale(1.06); }
.card-category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(27,58,92,0.85);
  backdrop-filter: blur(8px);
  color: #fff;
  letter-spacing: 0.03em;
}
.card-body {
  padding: 24px;
}
.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.45;
}
.card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 18px;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.card-footer .meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-footer a {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-footer a:hover { gap: 10px; color: #d85f37; }

/* ========== 热门工具深色区 ========== */
.tools-section {
  background: var(--primary);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
  color: #fff;
}
.tools-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(17,39,61,0.92);
}
.tools-section .container { position: relative; z-index: 2; }
.tools-section .section-head h2 { color: #fff; }
.tools-section .section-head p { color: rgba(255,255,255,0.7); }
.tools-section .section-tag { background: rgba(255,255,255,0.14); color: var(--accent-2); }

.tools-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  padding: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}
.stat-card .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent-2);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-card .label {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tool-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.tool-item:hover {
  background: rgba(255,255,255,0.14);
  transform: translateX(6px);
}
.tool-rank {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-2);
  min-width: 36px;
}
.tool-info { flex: 1; }
.tool-info strong {
  display: block;
  font-size: 16px;
  margin-bottom: 2px;
}
.tool-info span {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.tool-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 600;
}

/* ========== 体验流程 ========== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.process-step {
  position: relative;
  padding: 32px 24px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 64px;
  font-weight: 800;
  color: rgba(27,58,92,0.08);
  line-height: 1;
}
.step-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  font-size: 26px;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(27,58,92,0.25);
}
.process-step h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(232,115,74,0.3); }
.faq-item.active {
  box-shadow: var(--shadow-md);
  border-color: rgba(232,115,74,0.4);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}
.faq-question .icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(232,115,74,0.12);
  color: var(--accent);
  font-size: 13px;
  transition: var(--transition);
}
.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 24px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ========== CTA 区域 ========== */
.cta-section {
  padding: 80px 0;
  background: var(--accent);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(232,115,74,0.94) 30%, rgba(240,163,94,0.85) 100%);
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.95);
  max-width: 560px;
  margin: 0 auto 32px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.btn-white {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.btn-white:hover {
  background: #f8f8f8;
  transform: translateY(-2px);
  color: var(--accent);
  box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}
.btn-ghost {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0f1c2c;
  color: rgba(255,255,255,0.7);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 50px;
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 18px;
}
.footer-brand .logo-mark {
  background: var(--accent);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-bottom: 22px;
  max-width: 340px;
}
.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 340px;
}
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 50px 0 0 50px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
}
.newsletter-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 0 50px 50px 0;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  font-size: 15px;
  transition: var(--transition);
}
.newsletter-form button:hover { background: #d85f37; border-color: #d85f37; }
.footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 22px;
  font-weight: 600;
}
.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}
.footer-col ul li a { color: rgba(255,255,255,0.55); }
.footer-col ul li a:hover { color: var(--accent-2); padding-left: 4px; }
.footer-col ul li i { color: var(--accent-2); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ========== 移动端菜单 ========== */
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 14px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 16px 0;
    gap: 2px;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    width: 100%;
    padding: 12px 20px;
    border-radius: 10px;
  }
  .nav-cta .btn-header { display: none; }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .tools-layout { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .category-hero h1 { font-size: 38px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .category-hero { padding: 80px 0; }
  .category-hero h1 { font-size: 30px; }
  .category-hero p.lead { font-size: 16px; }
  .hero-meta { gap: 14px; }
  .cards-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .intro-points { grid-template-columns: 1fr; }
  .cards-grid { gap: 18px; }
  .category-hero h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-section h2 { font-size: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .btn-header { display: none; }
}

/* ========== 导航点击时的 focus ========== */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}

/* ========== 内容链接 ========== */

/* roulang page: article */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-50: #eff6ff;
  --accent: #f59e0b;
  --accent-50: #fef3c7;
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --text: #334155;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --bg: #f8fafc;
  --bg-muted: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 14px 38px rgba(15, 23, 42, 0.14);
  --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text); line-height: 1.7; background: var(--bg); font-size: 16px; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

.site-header { background: rgba(255,255,255,.94); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; transition: var(--transition); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: inline-flex; align-items: center; font-size: 24px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: var(--primary); color: #fff; border-radius: 10px; font-size: 20px; font-weight: 700; margin-right: 10px; box-shadow: 0 4px 12px rgba(37,99,235,.3); }
.logo span:not(.logo-mark) { color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 10px 18px; border-radius: 50px; font-size: 15px; font-weight: 500; color: var(--text-light); position: relative; }
.main-nav a:hover { color: var(--primary); background: var(--primary-50); }
.main-nav a.active { color: var(--primary); background: var(--primary-50); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.btn-header { padding: 10px 24px; border-radius: 50px; background: var(--dark); color: #fff; font-size: 14px; font-weight: 600; transition: var(--transition); box-shadow: 0 4px 14px rgba(15,23,42,.18); }
.btn-header:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.3); }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--bg-muted); color: var(--dark); font-size: 20px; align-items: center; justify-content: center; }

.article-hero { position: relative; padding: 90px 0 100px; background: linear-gradient(135deg, rgba(15,23,42,.85) 0%, rgba(30,64,175,.7) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat; text-align: center; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: rgba(15,23,42,.35); }
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,.15); backdrop-filter: blur(8px); padding: 8px 20px; border-radius: 50px; font-size: 13px; color: rgba(255,255,255,.85); margin-bottom: 28px; }
.breadcrumb a { color: rgba(255,255,255,.8); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: #fff; font-weight: 500; }
.article-hero h1 { font-size: clamp(28px, 4.2vw, 46px); font-weight: 800; color: #fff; line-height: 1.3; max-width: 860px; margin: 0 auto 20px; letter-spacing: -0.3px; text-shadow: 0 2px 20px rgba(0,0,0,.2); }
.article-meta { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; color: rgba(255,255,255,.85); font-size: 14px; }
.article-meta span { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1); padding: 6px 16px; border-radius: 50px; backdrop-filter: blur(6px); }
.article-meta i { color: var(--accent); }

.article-main-section { padding: 60px 0 70px; }
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
.article-main-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 40px 48px; border: 1px solid rgba(226,232,240,.6); }
.cms-content { font-size: 16px; line-height: 1.9; color: var(--text); }
.cms-content p { margin-bottom: 1.6em; }
.cms-content h2 { font-size: 26px; font-weight: 700; color: var(--dark); margin: 2em 0 1em; padding-left: 16px; border-left: 4px solid var(--primary); line-height: 1.4; }
.cms-content h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin: 1.8em 0 .8em; }
.cms-content h4 { font-size: 18px; font-weight: 600; color: var(--dark); margin: 1.5em 0 .6em; }
.cms-content ul, .cms-content ol { margin: 0 0 1.6em 1.4em; }
.cms-content ul li { list-style: disc; margin-bottom: .5em; }
.cms-content ol li { list-style: decimal; margin-bottom: .5em; }
.cms-content blockquote { background: var(--primary-50); border-left: 4px solid var(--primary); padding: 18px 24px; border-radius: 0 14px 14px 0; margin: 1.8em 0; font-style: italic; color: var(--dark-soft); }
.cms-content img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 1.8em 0; box-shadow: var(--shadow); }
.cms-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.cms-content a:hover { color: var(--primary-dark); }
.cms-content table { width: 100%; border-collapse: collapse; margin: 1.8em 0; font-size: 15px; }
.cms-content table th, .cms-content table td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
.cms-content table th { background: var(--primary-50); font-weight: 600; color: var(--dark); }
.cms-content table tr:nth-child(even) { background: var(--bg-muted); }
.cms-content code { background: var(--bg-muted); padding: 2px 8px; border-radius: 4px; font-family: "SFMono-Regular", Consolas, monospace; font-size: 14px; }
.cms-content pre { background: var(--dark); color: #e2e8f0; padding: 20px 24px; border-radius: var(--radius); overflow-x: auto; margin: 1.8em 0; font-size: 14px; line-height: 1.7; }
.cms-content pre code { background: transparent; padding: 0; color: inherit; }

.article-share { display: flex; align-items: center; gap: 14px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-share span { font-size: 14px; font-weight: 600; color: var(--text-light); }
.share-btn { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-muted); display: inline-flex; align-items: center; justify-content: center; color: var(--text-light); font-size: 16px; transition: var(--transition); }
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: 0 6px 16px rgba(37,99,235,.25); }
.author-box { display: flex; gap: 18px; background: var(--bg-muted); border-radius: var(--radius); padding: 24px 28px; margin-top: 30px; align-items: flex-start; }
.author-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 26px; flex-shrink: 0; box-shadow: 0 4px 14px rgba(37,99,235,.3); }
.author-info h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.author-info p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

.article-not-found { text-align: center; padding: 60px 20px; }
.not-found-icon { width: 90px; height: 90px; border-radius: 50%; background: var(--primary-50); display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 40px; color: var(--primary); }
.article-not-found h2 { font-size: 30px; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
.article-not-found p { color: var(--text-light); font-size: 16px; margin-bottom: 28px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border-radius: 50px; font-size: 15px; font-weight: 600; transition: var(--transition); border: none; }
.btn-primary { background: var(--primary); color: #fff !important; box-shadow: 0 4px 14px rgba(37,99,235,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.4); }
.btn-outline { background: transparent; border: 2px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.sidebar-widget { background: var(--white); border-radius: var(--radius-lg); padding: 28px; border: 1px solid rgba(226,232,240,.6); box-shadow: var(--shadow); margin-bottom: 24px; }
.widget-title { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-50); display: flex; align-items: center; gap: 8px; }
.widget-title i { color: var(--primary); }
.widget-cats li { margin-bottom: 8px; }
.widget-cats a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 14px; color: var(--text); transition: var(--transition); background: var(--bg-muted); }
.widget-cats a:hover { background: var(--primary-50); color: var(--primary); transform: translateX(4px); }
.widget-cats i { font-size: 12px; color: var(--text-lighter); }
.widget-posts li { padding: 12px 0; border-bottom: 1px solid var(--border); }
.widget-posts li:last-child { border-bottom: none; }
.widget-posts a { display: block; font-size: 14px; font-weight: 600; color: var(--dark); line-height: 1.5; margin-bottom: 4px; transition: var(--transition); }
.widget-posts a:hover { color: var(--primary); }
.widget-posts span { font-size: 12px; color: var(--text-lighter); display: flex; align-items: center; gap: 6px; }
.widget-posts i { font-size: 11px; }
.widget-cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; text-align: center; }
.widget-cta h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.widget-cta p { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 20px; }
.widget-cta .btn { width: 100%; justify-content: center; background: #fff; color: var(--primary) !important; }
.widget-cta .btn:hover { background: var(--accent); color: var(--dark) !important; transform: translateY(-2px); }

.related-section { padding: 70px 0; background: var(--bg-muted); border-top: 1px solid var(--border); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag { display: inline-block; background: var(--primary-50); color: var(--primary); font-size: 12px; font-weight: 600; padding: 6px 16px; border-radius: 50px; letter-spacing: 1px; margin-bottom: 12px; }
.section-header h2 { font-size: 32px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.related-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); height: 100%; border: 1px solid rgba(226,232,240,.5); display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-image { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.related-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .card-image img { transform: scale(1.06); }
.related-card .card-body { padding: 24px 26px; flex: 1; display: flex; flex-direction: column; }
.card-cat { display: inline-flex; width: fit-content; background: var(--accent-50); color: #b45309; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 50px; margin-bottom: 12px; }
.related-card h3 { font-size: 17px; font-weight: 700; color: var(--dark); line-height: 1.5; margin-bottom: 8px; }
.related-card h3 a { color: inherit; }
.related-card h3 a:hover { color: var(--primary); }
.related-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { margin-top: auto; font-size: 13px; color: var(--text-lighter); display: flex; gap: 16px; }
.card-meta i { margin-right: 4px; color: var(--primary); }

.cta-section { padding: 80px 0; background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 60%, var(--primary-dark) 120%); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -60%; right: -20%; width: 500px; height: 500px; border-radius: 50%; background: rgba(37,99,235,.2); filter: blur(80px); }
.cta-content { text-align: center; position: relative; z-index: 2; }
.cta-content h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: -0.5px; }
.cta-content p { color: rgba(255,255,255,.75); font-size: 16px; max-width: 520px; margin: 0 auto 30px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-btns .btn-primary { background: var(--accent); color: var(--dark) !important; box-shadow: 0 4px 20px rgba(245,158,11,.4); }
.cta-btns .btn-primary:hover { background: #eab308; transform: translateY(-3px); box-shadow: 0 8px 28px rgba(245,158,11,.5); }
.cta-btns .btn-outline { border-color: rgba(255,255,255,.4); color: #fff !important; }
.cta-btns .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.site-footer { background: var(--dark); color: rgba(255,255,255,.75); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 44px; padding-bottom: 50px; }
.footer-brand .logo { color: #fff; font-size: 22px; margin-bottom: 16px; }
.footer-brand .logo span:not(.logo-mark) { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 16px; color: rgba(255,255,255,.6); max-width: 320px; }
.newsletter-form { display: flex; gap: 8px; margin-top: 22px; }
.newsletter-form input { flex: 1; padding: 10px 16px; border-radius: 50px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.08); color: #fff; font-size: 14px; outline: none; transition: var(--transition); }
.newsletter-form input::placeholder { color: rgba(255,255,255,.45); }
.newsletter-form input:focus { border-color: var(--accent); background: rgba(255,255,255,.14); }
.newsletter-form button { width: 42px; height: 42px; border-radius: 50%; background: var(--accent); color: var(--dark); font-size: 15px; transition: var(--transition); display: flex; align-items: center; justify-content: center; }
.newsletter-form button:hover { background: #fff; transform: scale(1.05); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 12px; font-size: 14px; }
.footer-col ul a { color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-col ul a:hover { color: #fff; padding-left: 6px; }
.footer-col ul i { width: 20px; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.4); }

@media screen and (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-main-card { padding: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .related-card .card-body { padding: 20px; }
}
@media screen and (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner { height: 66px; }
  .main-nav { position: fixed; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 16px 20px; box-shadow: 0 10px 30px rgba(0,0,0,.08); border-bottom: 1px solid var(--border); transform: translateY(-120%); transition: transform .35s ease; z-index: 99; }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 12px 18px; border-radius: 10px; text-align: center; font-size: 16px; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn-header { display: none; }
  .article-hero { padding: 60px 0 70px; }
  .article-hero h1 { font-size: 27px; }
  .article-main-card { padding: 24px 20px; }
  .article-main-section { padding: 40px 0 50px; }
  .section-header h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
  .cart-meta { flex-wrap: wrap; }
  .related-card { margin-bottom: 20px; }
  .article-meta { gap: 12px; }
  .article-meta span { padding: 4px 12px; font-size: 12px; }
  .author-box { flex-direction: column; align-items: center; text-align: center; padding: 20px; }
  .author-avatar { margin-bottom: 6px; }
  .cta-content h2 { font-size: 26px; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns .btn { width: 100%; justify-content: center; }
}
@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 20px; }
  .logo-mark { width: 32px; height: 32px; font-size: 17px; border-radius: 8px; margin-right: 8px; }
  .article-hero h1 { font-size: 23px; }
  .breadcrumb { font-size: 12px; padding: 6px 16px; }
  .article-meta span { padding: 4px 10px; font-size: 11px; gap: 5px; }
  .article-main-card { padding: 18px 16px; border-radius: 16px; }
  .cms-content h2 { font-size: 22px; }
  .cms-content h3 { font-size: 19px; }
  .cms-content p { font-size: 15px; }
  .sidebar-widget { padding: 20px 18px; }
  .cta-content h2 { font-size: 23px; }
  .cta-content p { font-size: 14px; }
  .footer-bottom { font-size: 12px; }
  .newsletter-form input { font-size: 13px; padding: 8px 14px; }
  .card-meta { font-size: 12px; gap: 10px; }
}

/* roulang page: category2 */
:root {
  --primary: #1a3a5c;
  --primary-light: #2b5a8a;
  --accent: #e8a838;
  --accent-light: #f4d58d;
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --bg-dark: #12263a;
  --text: #1f2d3d;
  --text-weak: #5c6b7a;
  --border: #e3e9ef;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(18, 38, 58, 0.06);
  --shadow-md: 0 8px 30px rgba(18, 38, 58, 0.10);
  --shadow-lg: 0 16px 50px rgba(18, 38, 58, 0.14);
  --container-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-scale: 1.0;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input { font-family: inherit; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(227, 233, 239, 0.7);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  white-space: nowrap;
  line-height: 1.2;
}

.logo span { color: var(--primary); }
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: inline-block;
  padding: 8px 18px;
  color: var(--text-weak);
  font-size: 15px;
  font-weight: 500;
  border-radius: 50px;
  position: relative;
  transition: var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform-origin: center;
  transition: var(--transition);
}

.main-nav a:hover { color: var(--primary); background: rgba(26, 58, 92, 0.06); }
.main-nav a:hover::after { transform: translateX(-50%) scaleX(1); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after { transform: translateX(-50%) scaleX(1); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header {
  padding: 9px 22px;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: var(--transition);
}

.btn-header:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26, 58, 92, 0.25);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover { background: var(--bg-soft); }

/* ===== Hero Banner ===== */
.page-banner {
  position: relative;
  padding: 168px 0 92px;
  background: linear-gradient(135deg, #f0f5fa 0%, #ffffff 55%, #faf3e3 100%);
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 560px;
  height: 560px;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
  border-radius: 50%;
  pointer-events: none;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -100px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(232, 168, 56, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.banner-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-weak);
}

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

.breadcrumb i { font-size: 11px; color: var(--accent); }

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 16px;
  background: rgba(232, 168, 56, 0.12);
  border: 1px solid rgba(232, 168, 56, 0.28);
  color: #b07d1a;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.banner-tag i { font-size: 12px; }

.page-banner h1 {
  font-size: 46px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--primary);
  margin: 8px 0 0;
  letter-spacing: -1px;
  max-width: 720px;
}

.page-banner .banner-sub {
  font-size: 18px;
  color: var(--text-weak);
  max-width: 640px;
  line-height: 1.8;
  margin: 0;
}

.banner-stats {
  display: flex;
  gap: 40px;
  margin-top: 28px;
  flex-wrap: wrap;
}

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

.banner-stats .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
}

.banner-stats .stat-label {
  font-size: 13px;
  color: var(--text-weak);
  letter-spacing: 0.3px;
}

/* ===== Main Content Layout ===== */
.content-section {
  padding: 88px 0;
}

.content-section.alt { background: var(--bg-soft); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 8px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.section-head h2 em { color: var(--accent); font-style: normal; }

.section-head p {
  font-size: 15px;
  color: var(--text-weak);
  margin: 0;
  max-width: 560px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: #fff;
  transition: var(--transition);
  white-space: nowrap;
}

.section-more:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== Featured Article Block ===== */
.feature-flex {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: stretch;
}

.feature-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 460px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-md);
}

.feature-main .feature-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.feature-main:hover .feature-img { transform: scale(1.04); }

.feature-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 38, 58, 0) 35%, rgba(18, 38, 58, 0.92) 100%);
}

.feature-body {
  position: relative;
  z-index: 2;
  padding: 36px;
  color: #fff;
}

.feature-body .badge-list {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.feature-body .badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
}

.feature-body h3 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 12px;
  color: #fff;
}

.feature-body p {
  font-size: 15px;
  opacity: 0.88;
  margin: 0 0 20px;
  max-width: 520px;
  line-height: 1.7;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-bottom: 2px solid rgba(232, 168, 56, 0.8);
  padding-bottom: 4px;
  transition: var(--transition);
}

.feature-link:hover { color: var(--accent-light); gap: 12px; }

.feature-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.side-card {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  align-items: center;
}

.side-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: transparent;
}

.side-card .side-thumb {
  width: 88px;
  height: 88px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.side-card .side-content { flex: 1; min-width: 0; }

.side-card .side-meta {
  display: flex;
  gap: 10px;
  font-size: 12px;
  color: var(--text-weak);
  margin-bottom: 6px;
}

.side-card .side-meta i { color: var(--accent); font-size: 11px; }

.side-card h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-card:hover h4 { color: var(--primary); }

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

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

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

.card-thumb {
  position: relative;
  overflow: hidden;
  height: 210px;
  flex-shrink: 0;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.news-card:hover .card-thumb img { transform: scale(1.05); }

.card-thumb .card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: var(--shadow-sm);
}

.card-thumb .card-duration {
  position: absolute;
  bottom: 14px;
  right: 14px;
  z-index: 2;
  padding: 4px 10px;
  background: rgba(18, 38, 58, 0.72);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 12px;
  border-radius: 6px;
}

.card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-body .card-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-weak);
  margin-bottom: 10px;
}

.card-body .card-tag i { color: var(--accent); font-size: 10px; }

.card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 10px;
  color: var(--text);
  transition: var(--transition);
}

.news-card:hover .card-body h3 { color: var(--primary); }

.card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0 0 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.card-footer .card-read {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-footer .card-read i { font-size: 11px; transition: var(--transition); }
.card-footer .card-read:hover i { transform: translateX(4px); }

.card-footer span {
  font-size: 12px;
  color: var(--text-weak);
}

/* ===== Insight Panel ===== */
.insight-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.insight-item {
  padding: 32px 26px;
  background: var(--bg-dark);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.insight-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.insight-item:hover::before { transform: scaleX(1); }
.insight-item:hover { transform: translateY(-4px); }

.insight-item .insight-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232, 168, 56, 0.15);
  color: var(--accent);
  border-radius: 12px;
  font-size: 20px;
  margin-bottom: 18px;
}

.insight-item h4 {
  font-size: 17px;
  color: #fff;
  font-weight: 600;
  margin: 0 0 10px;
}

.insight-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.6;
  margin: 0;
}

/* ===== Timeline Style ===== */
.timeline-wrap {
  position: relative;
  padding-left: 0;
  max-width: 920px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: var(--transition);
}

.timeline-item:last-child { border-bottom: none; }
.timeline-item:hover { padding-left: 10px; }

.timeline-date {
  flex-shrink: 0;
  width: 82px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 6px;
}

.timeline-date .day {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.timeline-date .month {
  font-size: 13px;
  color: var(--text-weak);
}

.timeline-content { flex: 1; min-width: 0; }

.timeline-content .timeline-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.timeline-content .timeline-tags span {
  font-size: 12px;
  padding: 3px 10px;
  background: rgba(26, 58, 92, 0.07);
  color: var(--primary);
  border-radius: 50px;
  font-weight: 600;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.5;
}

.timeline-content h3 a:hover { color: var(--primary); }
.timeline-content p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  margin: 0;
}

/* ===== Highlights ===== */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.highlight-item {
  text-align: center;
  padding: 36px 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.highlight-item::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 120px;
  height: 120px;
  background: rgba(232, 168, 56, 0.07);
  border-radius: 50%;
  transition: var(--transition);
}

.highlight-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.highlight-item:hover::after { transform: scale(1.6); }

.highlight-item .hl-icon {
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  color: var(--primary);
  border-radius: 20px;
  font-size: 26px;
  margin: 0 auto 20px;
  transition: var(--transition);
}

.highlight-item:hover .hl-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(-4deg) scale(1.05);
}

.highlight-item h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
}

.highlight-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-group {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { box-shadow: var(--shadow-sm); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}

.faq-question i {
  color: var(--accent);
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-question i { transform: rotate(180deg); }

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.75;
  border-top: 1px solid transparent;
}

.faq-item.open .faq-answer { max-height: 300px; }
.faq-item.open .faq-answer-inner { border-top-color: var(--border); }

/* ===== CTA ===== */
.cta-section {
  padding: 32px 0 88px;
}

.cta-box {
  background: var(--bg-dark);
  border-radius: 20px;
  padding: 64px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  opacity: 0.08;
  border-radius: 50%;
}

.cta-box::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: 30%;
  width: 180px;
  height: 180px;
  border: 2px solid rgba(232, 168, 56, 0.12);
  border-radius: 50%;
}

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

.cta-text h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.cta-text p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
  max-width: 520px;
}

.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 14px;
  flex-shrink: 0;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 15px;
  font-weight: 700;
  border-radius: 50px;
  border: 1px solid var(--accent);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-main:hover {
  background: transparent;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 168, 56, 0.28);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Pagination ===== */
.pagination-wrap {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.pagination {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.pagination a, .pagination span.current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  border: 1px solid var(--border);
  transition: var(--transition);
  background: #fff;
}

.pagination a:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.pagination span.current {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  cursor: default;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 72px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
  gap: 48px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo span { color: var(--accent); }
.footer-brand .logo-mark { color: #fff; background: rgba(255,255,255,0.15); }

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 340px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 340px;
}

.newsletter-form input {
  flex: 1;
  min-width: 0;
  padding: 12px 18px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.newsletter-form input::placeholder { color: rgba(255, 255, 255, 0.45); }
.newsletter-form input:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.12);
}

.newsletter-form button {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--bg-dark);
  font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
}

.newsletter-form button:hover {
  background: transparent;
  color: var(--accent);
  transform: scale(1.06);
}

.footer-col h4 {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: 0.3px;
}

.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.5;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.62);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-col ul li i { color: var(--accent); opacity: 0.7; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .insight-panel { grid-template-columns: repeat(2, 1fr); }
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .feature-flex { grid-template-columns: 1fr 1.1fr; }
}

@media screen and (max-width: 900px) {
  .header-inner { min-height: 68px; }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    display: none;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: 12px 20px; text-align: left; }
  .main-nav a::after { left: 30px; transform: scaleX(0); }
  .main-nav a.active::after { transform: scaleX(1); }
  .main-nav a:hover::after { transform: scaleX(1); }
  .nav-toggle { display: inline-flex; }
  .btn-header { display: none; }
  .page-banner h1 { font-size: 38px; }
  .page-banner { padding: 140px 0 72px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-more { margin-top: -12px; }
  .feature-flex { grid-template-columns: 1fr; }
  .feature-main { min-height: 380px; }
  .cta-box { flex-direction: column; padding: 48px 36px; text-align: center; }
  .cta-actions { flex-wrap: wrap; justify-content: center; }
}

@media screen and (max-width: 768px) {
  body { font-size: 15px; }
  .container { padding: 0 20px; }
  .timeline-item { flex-direction: column; gap: 8px; padding: 20px 0; }
  .timeline-date { width: 100%; flex-direction: row; gap: 8px; align-items: baseline; }
  .timeline-date .day { font-size: 22px; }
  .news-grid { grid-template-columns: 1fr; }
  .insight-panel { grid-template-columns: 1fr; }
  .highlights-grid { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 32px; }
  .page-banner .banner-sub { font-size: 16px; }
  .banner-stats { gap: 24px; }
  .banner-stats .stat-num { font-size: 24px; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .newsletter-form { max-width: 100%; }
  .feature-body { padding: 24px; }
  .feature-body h3 { font-size: 22px; }
  .feature-main { min-height: 340px; }
  .cta-box { padding: 40px 24px; }
  .cta-text h2 { font-size: 24px; }
  .side-card { flex-direction: column; align-items: flex-start; }
  .side-thumb { width: 100% !important; height: 140px !important; }
  .hero-banner { padding: 130px 0 80px; }
  .banner-stats .stat-label { font-size: 12px; }
  .page-banner h1 { font-size: 28px; }
  .section-head h2 { font-size: 24px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
}