/* roulang page: index */
:root {
  --primary: #0A3D3C;
  --accent: #C9A876;
  --secondary: #2E6E6D;
  --bg: #F7F5F0;
  --dark: #071F1F;
  --ink: #1F2A2A;
  --ink-weak: #5A6B6B;
  --line: #E8E2D6;
  --success: #2BAE7F;
  --warning: #D9822B;
  --error: #C94F4F;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(26,48,43,0.06);
  --shadow-hover: 0 8px 30px rgba(26,48,43,0.12);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --transition: 0.25s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
section { position: relative; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* 通用按钮 */
.btn { border-radius: 50px; padding: 12px 28px; font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: all var(--transition); display: inline-block; text-align: center; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,61,60,0.18); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(10,61,60,0.08); color: var(--primary); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-accent:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #E6F0EC;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
  padding: 4px 14px;
  letter-spacing: 0.02em;
}

/* 表单 */
.form-control {
  height: 48px;
  border-radius: 50px;
  border: 1px solid #D8D2C6;
  padding: 0 20px;
  background: #fff;
  transition: all var(--transition);
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(201,168,118,0.2);
  outline: none;
}

/* 版块标题 */
.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  font-family: var(--font-serif);
  color: var(--ink);
}
.section-sub {
  font-size: 16px;
  color: var(--ink-weak);
  max-width: 560px;
}

/* 顶部导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 1000;
}
.site-header .container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.brand span {
  color: var(--accent);
  font-weight: 600;
}
.site-nav .navbar-nav { gap: 8px; }
.site-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 16px;
  border-radius: 50px;
  transition: all var(--transition);
  position: relative;
}
.site-nav .nav-link:hover {
  color: var(--accent);
}
.site-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.site-nav .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.navbar-toggler {
  border: none;
  padding: 8px;
  background: transparent;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 4px rgba(201,168,118,0.2);
}
.navbar-toggler .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  margin-bottom: 6px;
  transition: all var(--transition);
}
.navbar-toggler .bar:last-child { margin-bottom: 0; }
.site-header .navbar-collapse {
  background: rgba(255,255,255,0.98);
  border-radius: 0 0 16px 16px;
  padding: 8px 0;
}

/* Hero 直播预告流 */
.hero {
  min-height: 100vh;
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--primary) 0%, #123938 100%);
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,31,31,0.4) 0%, rgba(10,61,60,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero .live-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 50px;
  padding: 6px 18px;
  margin-bottom: 24px;
}
.hero .live-tag i {
  font-size: 11px;
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 720px;
  font-family: var(--font-serif);
}
.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.countdown-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  max-width: 720px;
  backdrop-filter: blur(4px);
}
.countdown-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.countdown-label i { color: var(--accent); }
.countdown {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.count-item {
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 14px 20px;
  min-width: 88px;
  text-align: center;
}
.count-num {
  font-size: 36px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: #fff;
  display: block;
  margin-bottom: 6px;
}
.count-label {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}
.highlight-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 720px;
}
.highlight-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255,255,255,0.92);
}
.highlight-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  transform: rotate(45deg);
  border-radius: 2px;
  flex-shrink: 0;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.subscribe-form .form-control {
  flex: 1;
  min-width: 240px;
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}
.subscribe-form .form-control::placeholder {
  color: rgba(255,255,255,0.6);
}
.subscribe-form .form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(201,168,118,0.2);
  background: rgba(255,255,255,0.16);
  color: #fff;
}
.hero-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-links a {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: all var(--transition);
}
.hero-links a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.hero-links a i {
  font-size: 13px;
  transition: transform var(--transition);
}
.hero-links a:hover i {
  transform: translateX(4px);
}

/* 栏目介绍 + 数据 */
.about-section {
  padding: 96px 0;
  background: var(--bg);
}
.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.about-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.about-image:hover img {
  transform: scale(1.03);
}
.about-content p {
  font-size: 16px;
  color: var(--ink-weak);
  line-height: 1.85;
  margin-bottom: 24px;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.data-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}
.data-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.data-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 4px;
}
.data-label {
  font-size: 14px;
  color: var(--ink-weak);
}

/* 最新动态 */
.news-section {
  padding: 96px 0;
  background: #fff;
}
.news-section .section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}
.news-card {
  display: flex;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
  margin-bottom: 24px;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.news-thumb {
  flex: 0 0 200px;
  overflow: hidden;
  position: relative;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.04);
}
.news-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-body .tag {
  align-self: flex-start;
  margin-bottom: 12px;
}
.news-body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--ink);
  transition: color var(--transition);
}
.news-card:hover .news-body h3 {
  color: var(--primary);
}
.news-body p {
  font-size: 14px;
  color: var(--ink-weak);
  margin-bottom: 16px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time {
  font-size: 13px;
  color: var(--ink-weak);
  display: flex;
  align-items: center;
  gap: 6px;
}
.news-time i {
  color: var(--accent);
}
.empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line);
}
.empty-state i {
  font-size: 40px;
  color: var(--line);
  margin-bottom: 16px;
}
.empty-state p {
  font-size: 15px;
  color: var(--ink-weak);
}

/* 分类入口 */
.category-section {
  padding: 96px 0;
  background: var(--bg);
}
.category-card {
  display: block;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
  border: 1px solid var(--line);
}
.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.category-card .cat-img {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.category-card .cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .cat-img img {
  transform: scale(1.04);
}
.category-card .cat-body {
  padding: 28px;
}
.category-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}
.category-card p {
  font-size: 15px;
  color: var(--ink-weak);
  line-height: 1.7;
  margin-bottom: 16px;
}
.category-card .text-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.category-card:hover .text-link {
  color: var(--accent);
}
.category-card:hover .text-link i {
  transform: translateX(4px);
}
.text-link i {
  transition: transform var(--transition);
}
/* 参与路径 */
.path-section {
  padding: 96px 0;
  background: #fff;
}
.path-section .section-head {
  text-align: center;
  margin-bottom: 56px;
}
.path-section .section-head .section-title { margin-left: auto; margin-right: auto; }
.path-section .section-sub {
  margin-left: auto;
  margin-right: auto;
}
.path-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.path-item {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  transition: all var(--transition);
  position: relative;
}
.path-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.step-num {
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-bottom: 20px;
  font-family: var(--font-serif);
}
.path-item h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.path-item p {
  font-size: 15px;
  color: var(--ink-weak);
  line-height: 1.7;
  margin-bottom: 0;
}

/* FAQ */
.faq-section {
  padding: 96px 0;
  background: var(--bg);
}
.faq-section .section-head {
  text-align: center;
  margin-bottom: 48px;
}
.faq-section .section-title { margin-left: auto; margin-right: auto; }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:focus-within {
  box-shadow: 0 0 0 4px rgba(201,168,118,0.2);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.expanded .faq-question i,
.faq-question[aria-expanded="true"] i {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--ink-weak);
  line-height: 1.7;
  margin-bottom: 0;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
}

/* CTA */
.cta-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--primary) 0%, #123938 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}
.cta-section .container {
  position: relative;
  z-index: 2;
}
.cta-section h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}
.cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-buttons .btn {
  min-width: 180px;
}

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: #D8D2C6;
  padding: 80px 0 0;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.site-footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand span { color: var(--accent); }
.site-footer p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  font-size: 14px;
  color: #D8D2C6;
  transition: all var(--transition);
  display: inline-block;
  position: relative;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-contact i {
  color: var(--accent);
  font-size: 16px;
  width: 20px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid #2E3F3F;
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(216,210,198,0.6);
}
.footer-bottom p { margin-bottom: 0; }

/* 响应式 */
@media (max-width: 991px) {
  .site-header {
    height: 64px;
  }
  .site-header .container {
    height: 64px;
  }
  .brand {
    font-size: 18px;
  }
  .hero {
    padding: 120px 0 80px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .highlight-list {
    grid-template-columns: 1fr;
  }
  .path-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-thumb {
    flex-basis: 160px;
  }
}
@media (max-width: 767px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero {
    padding: 100px 0 64px;
    min-height: auto;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .countdown-panel {
    padding: 20px 16px;
  }
  .count-item {
    min-width: 64px;
    padding: 10px 12px;
  }
  .count-num {
    font-size: 26px;
  }
  .subscribe-form .btn {
    width: 100%;
  }
  .about-section, .news-section, .category-section, .path-section, .faq-section, .cta-section {
    padding: 64px 0;
  }
  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .data-num {
    font-size: 28px;
  }
  .news-card {
    flex-direction: column;
  }
  .news-thumb {
    flex-basis: auto;
    height: 180px;
  }
  .news-thumb img {
    height: 180px;
  }
  .news-card {
    margin-bottom: 16px;
  }
  .site-footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-buttons .btn {
    min-width: 48%;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px;
  }
  .faq-answer {
    padding: 0 16px 16px;
  }
  .highlight-list {
    grid-template-columns: 1fr;
  }
  .hero-links {
    gap: 20px;
  }
  .section-title {
    font-size: 26px;
  }
}
@media (max-width: 520px) {
  .data-grid {
    grid-template-columns: 1fr 1fr;
  }
  .data-item {
    padding: 16px 12px;
  }
  .data-num {
    font-size: 24px;
  }
  .path-item {
    padding: 24px 16px;
  }
  .category-card .cat-body {
    padding: 20px;
  }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0A3D3C;
            --accent: #C9A876;
            --secondary: #2E6E6D;
            --bg-warm: #F7F5F0;
            --dark-bg: #071F1F;
            --text-main: #1F2A2A;
            --text-secondary: #5A6B6B;
            --border-line: #E8E2D6;
            --white: #ffffff;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --shadow-card: 0 4px 20px rgba(26, 48, 43, 0.06);
            --shadow-hover: 0 8px 30px rgba(26, 48, 43, 0.12);
            --radius-card: 12px;
            --radius-btn: 50px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }

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

        section {
            padding: 80px 0;
        }

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

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            color: var(--primary);
            line-height: 1.2;
        }

        h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            margin-bottom: 40px;
            position: relative;
        }

        h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .text-secondary-custom {
            color: var(--text-secondary);
            font-size: 16px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent);
            display: inline-block;
        }

        /* ===== Header ===== */
        .site-header {
            height: 80px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-line);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
        }

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

        .site-header .brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
            display: flex;
            align-items: baseline;
            gap: 2px;
        }

        .site-header .brand span {
            color: var(--accent);
            font-size: 18px;
            font-weight: 600;
        }

        .site-header .navbar-nav {
            gap: 32px;
            align-items: center;
        }

        .site-header .nav-link {
            font-size: 15px;
            color: var(--primary);
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            background: transparent;
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }

        .site-header .nav-link:hover {
            color: var(--accent);
        }

        .site-header .nav-link:hover::after,
        .site-header .nav-link.active::after {
            width: 100%;
        }

        .site-header .nav-link.active {
            color: var(--accent);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        @media (max-width: 992px) {
            .site-header .navbar-collapse {
                background: var(--white);
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                padding: 24px 32px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
                border-bottom: 1px solid var(--border-line);
            }

            .site-header .navbar-nav {
                gap: 16px;
                align-items: flex-start;
            }

            .site-header .nav-link {
                font-size: 16px;
                padding: 10px 0;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--primary) 0%, #123938 60%, var(--dark-bg) 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.25;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background: linear-gradient(to left, rgba(10, 61, 60, 0.1), rgba(10, 61, 60, 0.9));
        }

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

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: var(--accent);
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .category-hero h1 {
            color: var(--white);
            margin-bottom: 16px;
            max-width: 600px;
        }

        .category-hero .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-meta {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-meta-item {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0;
                min-height: auto;
            }

            .category-hero::before,
            .category-hero::after {
                width: 100%;
                opacity: 0.15;
            }

            .category-hero .hero-desc {
                font-size: 16px;
            }
        }

        /* ===== Section Divider ===== */
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            margin-bottom: 40px;
            border-radius: 2px;
        }

        /* ===== Index + Detail Layout ===== */
        .insight-layout {
            background: var(--bg-warm);
            padding: 80px 0;
        }

        .insight-layout .row {
            align-items: flex-start;
        }

        .index-sidebar {
            position: sticky;
            top: 100px;
            padding: 32px 24px;
            background: var(--white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(232, 226, 214, 0.5);
        }

        .index-sidebar .sidebar-title {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-line);
        }

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

        .index-list li {
            margin-bottom: 4px;
        }

        .index-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: all var(--transition);
            border-left: 2px solid transparent;
        }

        .index-list a:hover,
        .index-list a.active {
            background: rgba(201, 168, 118, 0.08);
            color: var(--primary);
            border-left-color: var(--accent);
        }

        .index-list a span.num {
            font-size: 13px;
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .detail-panel {
            background: var(--white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px;
            border: 1px solid rgba(232, 226, 214, 0.5);
            margin-bottom: 32px;
        }

        .detail-panel .detail-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .detail-panel h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .detail-panel p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .detail-panel p:last-child {
            margin-bottom: 0;
        }

        .detail-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .detail-tag {
            font-size: 13px;
            color: var(--secondary);
            background: #E6F0EC;
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 500;
            border: none;
        }

        @media (max-width: 992px) {
            .index-sidebar {
                position: static;
                margin-bottom: 32px;
                padding: 24px;
            }

            .index-list {
                display: flex;
                flex-wrap: wrap;
                gap: 4px;
            }

            .index-list li {
                width: auto;
            }

            .index-list a {
                padding: 8px 14px;
                font-size: 14px;
                border-left: none;
                border: 1px solid var(--border-line);
            }

            .index-list a span.num {
                display: none;
            }

            .detail-panel {
                padding: 24px;
            }
        }

        /* ===== Feature Grid ===== */
        .feature-section {
            background: var(--white);
            padding: 80px 0;
        }

        .feature-card {
            background: var(--bg-warm);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            border: 1px solid rgba(232, 226, 214, 0.6);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            background: var(--white);
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(201, 168, 118, 0.12);
            color: var(--accent);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
        }

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

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

            .feature-card {
                margin-bottom: 16px;
            }
        }

        /* ===== Data Cards ===== */
        .data-section {
            background: var(--dark-bg);
            padding: 80px 0;
        }

        .data-section .section-label {
            color: var(--accent);
        }

        .data-section .section-label::before {
            background: var(--accent);
        }

        .data-section h2 {
            color: var(--white);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .data-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            transition: background var(--transition), transform var(--transition);
        }

        .data-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        .data-number {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.03em;
        }

        @media (max-width: 992px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .data-card {
                padding: 20px 16px;
            }

            .data-number {
                font-size: 32px;
            }
        }

        /* ===== Path Timeline ===== */
        .path-section {
            background: var(--bg-warm);
            padding: 80px 0;
        }

        .timeline {
            position: relative;
            padding: 40px 0 0 0;
            margin-top: 20px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 24px;
            width: 2px;
            background: var(--border-line);
        }

        .timeline-item {
            position: relative;
            padding-left: 68px;
            margin-bottom: 40px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg-warm);
            box-shadow: 0 0 0 2px var(--accent);
        }

        .timeline-item .step-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .timeline-item h3 {
            font-size: 20px;
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .timeline-item {
                padding-left: 56px;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item::before {
                left: 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--white);
            padding: 80px 0;
        }

        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-warm);
            border: 1px solid rgba(232, 226, 214, 0.6);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            outline: none;
            border-radius: var(--radius-card) !important;
            transition: color var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            border-left: 3px solid var(--accent);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(201, 168, 118, 0.15);
            outline: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230A3D3C' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23C9A876' viewBox='0 0 16 16'%3E%3Cpath d='M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8z'/%3E%3C/svg%3E");
        }

        .accordion-body {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            padding: 0 24px 20px 24px;
            border-left: 3px solid var(--accent);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #123938 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.1;
        }

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

        .cta-section h2 {
            color: var(--white);
            margin-bottom: 16px;
        }

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            background: var(--accent);
            color: var(--primary);
            border: 2px solid var(--accent);
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-primary:hover {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-cta-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-left: 12px;
        }

        .btn-cta-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        @media (max-width: 576px) {
            .cta-section .btn-cta-primary,
            .cta-section .btn-cta-secondary {
                display: block;
                width: 100%;
                margin-left: 0;
                margin-bottom: 12px;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #D8D2C6;
            padding: 64px 0 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand span {
            color: var(--accent);
            font-size: 18px;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(216, 210, 198, 0.7);
            margin-bottom: 16px;
        }

        .site-footer h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

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

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

        .footer-links a {
            color: rgba(216, 210, 198, 0.7);
            font-size: 14px;
            transition: color var(--transition);
        }

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

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(216, 210, 198, 0.7);
            margin-bottom: 12px;
        }

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

        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(216, 210, 198, 0.4);
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            border: 1px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            cursor: pointer;
        }

        .back-top:hover {
            transform: translateY(-4px);
            background: var(--accent);
            color: var(--primary);
        }

        /* ===== Shared ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: var(--white);
            border: 2px solid var(--primary);
            border-radius: 50px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201, 168, 118, 0.3);
        }

        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 50px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-custom:hover {
            background: rgba(10, 61, 60, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn:focus,
        .btn-cta-primary:focus,
        .btn-cta-secondary:focus,
        .btn-primary-custom:focus,
        .btn-secondary-custom:focus {
            box-shadow: 0 0 0 4px rgba(201, 168, 118, 0.2);
            outline: none;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeInUp 0.4s ease both;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }

        .delay-2 {
            animation-delay: 0.2s;
        }

        .delay-3 {
            animation-delay: 0.3s;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ===== Focus visibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(201, 168, 118, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
  --primary: #0A3D3C;
  --primary-dark: #071F1F;
  --primary-soft: #2E6E6D;
  --accent: #C9A876;
  --accent-dark: #B89364;
  --bg: #F7F5F0;
  --white: #fff;
  --text: #1F2A2A;
  --text-muted: #5A6B6B;
  --text-light: #D8D2C6;
  --border: #E8E2D6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 20px rgba(26,48,43,0.06);
  --shadow-lg: 0 8px 30px rgba(26,48,43,0.12);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --transition: all 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  margin: 0;
  padding: 0;
  font-size: 16px;
}

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

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

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

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

@media (min-width: 1400px) {
  .container {
    max-width: 1200px;
  }
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: 80px;
  background: rgba(255,255,255,0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  min-height: 80px;
}

.site-header .brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--primary);
  line-height: 1.2;
}

.site-header .brand span {
  color: var(--accent);
  font-weight: 600;
}

.site-header .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  padding: 8px 2px !important;
  margin-left: 32px;
  position: relative;
  letter-spacing: 0.02em;
  transition: color 0.25s ease;
}

.site-header .nav-link:hover {
  color: var(--accent);
}

.site-header .nav-link.active {
  color: var(--accent);
}

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

.navbar-toggler {
  border: none;
  background: transparent;
  padding: 8px 4px;
  outline: none;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .25s ease;
}

.navbar-toggler:hover .bar {
  background: var(--accent);
}

@media (max-width: 991.98px) {
  .site-header {
    min-height: 64px;
  }

  .site-header .container {
    min-height: 64px;
  }

  .site-header .navbar-collapse {
    background: var(--white);
    border-radius: 0 0 12px 12px;
    box-shadow: var(--shadow-lg);
    padding: 8px 16px 14px;
    border-top: 1px solid var(--border);
  }

  .site-header .nav-link {
    margin-left: 0;
    padding: 14px 8px !important;
    display: block;
    border-bottom: 1px solid rgba(232,226,214,0.65);
    font-size: 16px;
  }

  .site-header .nav-link:last-child {
    border-bottom: none;
  }

  .site-header .nav-link.active::after {
    display: none;
  }

  .site-header .nav-link.active {
    color: var(--accent);
    position: relative;
  }

  .site-header .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
  }
}

/* ============ Article Hero ============ */
.article-hero {
  position: relative;
  padding: 104px 0 76px;
  background: linear-gradient(135deg, #0A3D3C 0%, #123938 46%, #0A3D3C 100%);
  color: var(--white);
  overflow: hidden;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  opacity: 0.16;
}

.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,31,31,0.55) 0%, rgba(7,31,31,0.3) 100%);
}

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

.breadcrumb {
  background: transparent;
  padding: 0;
  margin-bottom: 30px;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: rgba(216,210,198,0.4);
}

.breadcrumb-item a {
  color: rgba(255,255,255,0.72);
  font-size: 14px;
}

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

.breadcrumb-item.active {
  color: rgba(255,255,255,0.45);
  font-size: 14px;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.3;
  max-width: 860px;
  margin-bottom: 22px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  font-size: 13px;
  color: rgba(216,210,198,0.75);
}

.article-meta i {
  color: var(--accent);
  margin-right: 6px;
}

@media (max-width: 767.98px) {
  .article-hero {
    padding: 76px 0 52px;
  }

  .breadcrumb {
    margin-bottom: 20px;
  }

  .breadcrumb-item.active {
    max-width: 180px;
  }
}

/* ============ Article Body ============ */
.article-content-section {
  padding: 80px 0;
}

.article-card {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 48px 56px;
  border: 1px solid rgba(232,226,214,0.6);
}

.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: break-word;
}

.article-body > *:first-child {
  margin-top: 0;
}

.article-body p {
  margin-bottom: 1.4rem;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 2.2rem 0 1rem;
  color: var(--primary);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.8rem 0 0.8rem;
  color: var(--primary);
  line-height: 1.4;
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(201,168,118,0.6);
}

.article-body a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.article-body img {
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  max-width: 100%;
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(201,168,118,0.08);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.6rem 0;
  font-style: italic;
  color: var(--text-muted);
}

.article-body code {
  background: #E6F0EC;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.9em;
  color: var(--primary);
}

.article-body pre {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.4rem;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 0.5rem;
}

.article-body ul li::marker {
  color: var(--accent);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.article-body th {
  background: var(--bg);
  font-weight: 600;
  color: var(--primary);
}

.article-tags {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 16px;
  border-radius: 50px;
  background: #E6F0EC;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.tag i {
  font-size: 12px;
  color: var(--primary-soft);
}

.article-back {
  max-width: 760px;
  margin: 32px auto 0;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.back-link {
  font-size: 15px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.25s ease;
}

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

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

@media (max-width: 767.98px) {
  .article-content-section {
    padding: 48px 0;
  }

  .article-card {
    padding: 28px 22px;
    border-radius: var(--radius-sm);
  }

  .article-body {
    font-size: 15px;
    line-height: 1.75;
  }
}

/* ============ Not Found ============ */
.not-found {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 56px 40px;
  border: 1px solid rgba(232,226,214,0.6);
}

.not-found-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #E6F0EC;
  border-radius: 50%;
  color: var(--primary-soft);
  font-size: 26px;
}

.not-found h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.not-found p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,168,118,0.3);
}

.btn-primary:active,
.btn-primary:focus {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--primary-dark);
  box-shadow: 0 0 0 4px rgba(201,168,118,0.25);
}

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

.btn-outline:hover {
  background: rgba(10,61,60,0.08);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:active,
.btn-outline:focus {
  background: rgba(10,61,60,0.12);
  box-shadow: 0 0 0 4px rgba(10,61,60,0.12);
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  color: var(--primary-dark);
  border-color: var(--accent-dark);
}

/* ============ Related Section ============ */
.related-section {
  padding: 80px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-tag {
  display: inline-block;
  padding: 5px 18px;
  border-radius: 50px;
  background: #E6F0EC;
  color: var(--primary-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  color: var(--primary);
  margin: 0;
  line-height: 1.3;
}

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

.related-card {
  border: 1px solid rgba(232,226,214,0.7);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  background: var(--white);
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201,168,118,0.5);
}

.related-card > a {
  display: block;
  height: 100%;
  color: inherit;
}

.related-card .card-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg);
}

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

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

.related-card .card-body {
  padding: 22px 22px 24px;
}

.related-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
}

.related-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.25s ease;
}

.related-card:hover .card-link {
  color: var(--accent);
}

@media (max-width: 991.98px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767.98px) {
  .related-section {
    padding: 48px 0;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-head {
    margin-bottom: 30px;
  }
}

/* ============ CTA ============ */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, #F7F5F0 0%, #EFE9DF 100%);
  border-top: 1px solid var(--border);
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

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

@media (max-width: 575.98px) {
  .cta-section {
    padding: 48px 0;
  }

  .cta-actions {
    flex-direction: column;
    gap: 14px;
  }

  .cta-actions .btn {
    min-width: 80%;
  }
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #2E3F3F;
}

.footer-brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

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

.footer-grid p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(216,210,198,0.6);
  max-width: 360px;
  margin-bottom: 16px;
}

.footer-grid h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

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

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

.footer-links a,
.footer-contact li {
  font-size: 14px;
  color: rgba(216,210,198,0.65);
  transition: color 0.25s ease;
}

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

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

.footer-contact i {
  width: 18px;
  color: var(--accent);
  font-size: 14px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(216,210,198,0.4);
  margin: 0;
}

@media (max-width: 991.98px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 575.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 28px;
  }

  .site-footer {
    padding: 48px 0 24px;
  }
}

/* ============ Helper ============ */
::selection {
  background: rgba(201,168,118,0.3);
  color: var(--primary-dark);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category2 */
:root {
  --primary: #0A3D3C;
  --primary-deep: #071F1F;
  --accent: #C9A876;
  --secondary: #2E6E6D;
  --brand-bg: #F7F5F0;
  --text-ink: #1F2A2A;
  --text-soft: #5A6B6B;
  --line-sand: #E8E2D6;
  --success: #2BAE7F;
  --warning: #D9822B;
  --error: #C94F4F;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 20px rgba(26, 48, 43, 0.06);
  --shadow-hover: 0 8px 30px rgba(26, 48, 43, 0.12);
  --section-gap: 80px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--text-ink);
  background: var(--brand-bg);
  line-height: 1.75;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

img {
  max-width: 100%;
}

button {
  cursor: pointer;
}

.container {
  max-width: 1200px;
}

/* ============ Header / Nav ============ */
.site-header.navbar {
  height: 80px;
  padding: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-sand);
  position: sticky;
  top: 0;
  z-index: 1030;
}

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

.brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.brand span {
  color: var(--accent);
  font-weight: 600;
}

.navbar .navbar-nav {
  align-items: center;
  gap: 4px;
}

.navbar .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  padding: 8px 6px;
  margin: 0 12px;
  position: relative;
  background: transparent;
  border-radius: 0;
}

.navbar .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.28s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--accent);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  width: 100%;
}

.navbar-toggler {
  border: none;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
}

.navbar-toggler:hover,
.navbar-toggler:focus {
  background: rgba(10, 61, 60, 0.06);
  box-shadow: none;
  outline: none;
}

.navbar-toggler .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  transition: all 0.28s ease;
}

/* ============ Category Hero ============ */
.category-hero {
  position: relative;
  padding: 96px 0 80px;
  color: #fff;
  background: linear-gradient(135deg, rgba(7, 31, 31, 0.92) 0%, rgba(10, 61, 60, 0.86) 50%, rgba(18, 57, 56, 0.78) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  overflow: hidden;
}

.category-hero .hero-inner {
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
  text-transform: none;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 20px;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.65);
}

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

.breadcrumb-nav .sep {
  opacity: 0.5;
}

.breadcrumb-nav .current {
  color: rgba(255, 255, 255, 0.9);
}

.category-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 18px;
  letter-spacing: 0.01em;
}

.category-hero .lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 700px;
  margin: 0;
}

/* ============ Main Layout ============ */
.category-main {
  padding: var(--section-gap) 0 40px;
}

.category-index {
  position: sticky;
  top: 104px;
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--line-sand);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  margin-bottom: 40px;
}

.index-inner h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-sand);
}

.index-inner nav a {
  display: block;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text-soft);
  border-radius: 8px;
  border-left: 2px solid transparent;
  margin-bottom: 4px;
  font-weight: 500;
}

.index-inner nav a:hover {
  background: rgba(10, 61, 60, 0.05);
  color: var(--primary);
}

.index-inner nav a.active {
  background: rgba(201, 168, 118, 0.12);
  color: var(--primary);
  border-left-color: var(--accent);
  font-weight: 600;
}

.index-card {
  margin-top: 20px;
  padding: 16px;
  background: var(--brand-bg);
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

.index-card p {
  margin-bottom: 8px;
}

.index-card .text-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
}

.index-card .text-link:hover {
  color: var(--accent);
}

.category-content {
  min-width: 0;
}

.ct-section {
  scroll-margin-top: 100px;
  margin-bottom: 72px;
}

.ct-section:last-child {
  margin-bottom: 0;
}

.ct-section .section-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
  font-family: var(--font-serif);
}

.ct-section .section-sub {
  color: var(--text-soft);
  font-size: 16px;
  max-width: 720px;
  margin-bottom: 28px;
}

/* ============ Framework Block ============ */
.framework-block {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--line-sand);
}

.framework-block .fw-media {
  min-height: 100%;
}

.framework-img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  display: block;
}

.fw-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fw-body p {
  color: var(--text-soft);
  margin-bottom: 20px;
  font-size: 15px;
}

.fw-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fw-step {
  background: var(--brand-bg);
  border-radius: 10px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 2px solid var(--accent);
  transition: background 0.25s ease, transform 0.25s ease;
}

.fw-step:hover {
  background: rgba(201, 168, 118, 0.1);
  transform: translateY(-2px);
}

.fw-step .fw-num {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.fw-step strong {
  color: var(--primary);
  font-size: 17px;
  font-weight: 600;
}

.fw-step small {
  color: var(--text-soft);
  font-size: 13px;
}

/* ============ Scenario Grid ============ */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.scenario-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-sand);
  border-radius: var(--radius-md);
  padding: 32px 28px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.28s ease, transform 0.28s ease;
  overflow: hidden;
}

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

.scenario-no {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(26, 48, 43, 0.18);
  letter-spacing: 0.08em;
}

.scenario-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(10, 61, 60, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary);
}

.scenario-card h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.scenario-card p {
  font-size: 14.5px;
  color: var(--text-soft);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ============ Process Timeline ============ */
.process-timeline {
  position: relative;
  padding-left: 34px;
}

.process-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--secondary));
  border-radius: 2px;
}

.pt-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-sand);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.28s ease, transform 0.28s ease;
}

.pt-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.pt-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--brand-bg);
  box-shadow: 0 0 0 2px var(--accent);
}

.pt-item .pt-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  background: rgba(201, 168, 118, 0.12);
  border-radius: 50px;
  padding: 3px 12px;
  margin-bottom: 10px;
}

.pt-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.pt-item p {
  font-size: 14.5px;
  color: var(--text-soft);
  margin-bottom: 0;
  line-height: 1.7;
}

/* ============ Metrics Panel ============ */
.metrics-panel {
  background: linear-gradient(135deg, rgba(7, 31, 31, 0.95), rgba(10, 61, 60, 0.88)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.metrics-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(201, 168, 118, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.metric-item {
  text-align: center;
  padding: 12px 8px;
  position: relative;
  z-index: 1;
}

.metric-num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.04em;
}

/* ============ FAQ ============ */
.faq-accordion .accordion-item {
  border: none;
  background: transparent;
  margin-bottom: 14px;
}

.faq-accordion .accordion-item:last-child {
  margin-bottom: 0;
}

.faq-accordion .accordion-button {
  background: #fff;
  border: 1px solid var(--line-sand);
  border-radius: var(--radius-md) !important;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-sans);
  box-shadow: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: #fff;
  color: var(--primary);
  border-bottom-left-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
  box-shadow: none;
}

.faq-accordion .accordion-button:hover {
  border-color: var(--accent);
}

.faq-accordion .accordion-button:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(201, 168, 118, 0.2);
}

.faq-accordion .accordion-button::after {
  background-image: none;
  font-family: var(--font-sans);
  content: "+";
  width: auto;
  height: auto;
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  text-align: center;
  transform: none;
  transition: transform 0.28s ease;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  content: "−";
  transform: none;
}

.faq-accordion .accordion-body {
  background: #fff;
  border: 1px solid var(--line-sand);
  border-top: none;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  padding: 4px 24px 22px;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* ============ CTA Panel ============ */
.cta-panel {
  background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

.cta-panel h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
}

.cta-panel p {
  font-size: 15.5px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 28px;
  position: relative;
}

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

.btn-gold {
  display: inline-block;
  background: var(--accent);
  color: var(--primary) !important;
  border-radius: 50px;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all 0.28s ease;
}

.btn-gold:hover {
  background: #d9ba8c;
  color: var(--primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 118, 0.35);
}

.btn-ghost-light {
  display: inline-block;
  background: transparent;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 50px;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.28s ease;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent);
  color: var(--accent) !important;
  transform: translateY(-2px);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary-deep);
  color: #D8D2C6;
  padding: 64px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.site-footer p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(216, 210, 198, 0.75);
}

.site-footer h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #2E3F3F;
}

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

.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-links a {
  color: rgba(216, 210, 198, 0.85);
}

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

.footer-contact i {
  width: 18px;
  color: var(--accent);
  margin-right: 6px;
  font-style: normal;
}

.footer-bottom {
  border-top: 1px solid #2E3F3F;
  padding-top: 20px;
  font-size: 12px;
  color: rgba(216, 210, 198, 0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  margin: 0;
  font-size: 12px;
  color: rgba(216, 210, 198, 0.5);
}

/* ============ Responsive ============ */
@media (max-width: 991.98px) {
  .site-header.navbar {
    height: auto;
    min-height: 68px;
    padding: 12px 0;
  }

  .site-header .container {
    min-height: 44px;
  }

  .navbar-collapse {
    background: #fff;
    border-radius: 0 0 16px 16px;
    box-shadow: var(--shadow-sm);
    padding: 16px 20px;
    margin-top: 12px;
    border: 1px solid var(--line-sand);
  }

  .navbar .navbar-nav {
    align-items: stretch;
    gap: 0;
  }

  .navbar .nav-link {
    margin: 2px 0;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 16px;
  }

  .navbar .nav-link::after {
    display: none;
  }

  .navbar .nav-link.active {
    background: rgba(201, 168, 118, 0.12);
    color: var(--primary);
  }

  .category-index {
    position: static;
    margin-bottom: 40px;
  }

  .index-inner nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .index-inner nav a {
    display: inline-block;
    margin-bottom: 0;
    border-left: none;
    border: 1px solid var(--line-sand);
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 14px;
  }

  .index-inner nav a.active {
    border-color: var(--accent);
  }

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

  .cta-panel {
    padding: 40px 24px;
  }
}

@media (max-width: 767.98px) {
  .category-main,
  .site-footer {
    padding-top: 48px;
    padding-bottom: 24px;
  }

  .category-main {
    padding-top: 48px;
  }

  .category-hero {
    padding: 64px 0 56px;
  }

  .category-hero h1 {
    font-size: 32px;
  }

  .category-hero .lead {
    font-size: 15.5px;
  }

  .fw-body {
    padding: 24px;
  }

  .fw-steps {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .ct-section .section-title {
    font-size: 26px;
  }

  .process-timeline {
    padding-left: 26px;
  }

  .pt-item {
    padding: 20px;
  }

  .pt-item::before {
    left: -25px;
    width: 10px;
    height: 10px;
  }

  .metrics-panel {
    padding: 32px 20px;
  }

  .cta-actions .btn-gold,
  .cta-actions .btn-ghost-light {
    width: 100%;
    text-align: center;
  }

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

@media (max-width: 520px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .fw-steps {
    grid-template-columns: 1fr;
  }

  .brand {
    font-size: 20px;
  }

  .metric-item {
    padding: 8px 4px;
  }

  .metric-num {
    font-size: 26px;
  }

  .metric-label {
    font-size: 12.5px;
  }

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