/* roulang page: index */
/* ============================================================
   设计变量与基础 Reset
============================================================ */
:root {
  --primary: #0d2740;
  --primary-light: #1a3a5c;
  --primary-dark: #081a2b;
  --accent: #e8873a;
  --accent-light: #f5a05a;
  --accent-dark: #c96a23;
  --bg-light: #f4f7fb;
  --bg-white: #ffffff;
  --bg-deep: #0b1e33;
  --text-main: #1a2836;
  --text-secondary: #5b6b7d;
  --text-muted: #8b9bad;
  --border-color: #dfe7ef;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(13, 39, 64, 0.08);
  --shadow-md: 0 8px 24px rgba(13, 39, 64, 0.10);
  --shadow-lg: 0 16px 40px rgba(13, 39, 64, 0.16);
  --transition: all 0.3s ease;
  --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --spacing-section: 6rem;
}

*, *::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: 1.7;
  color: var(--text-main);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

button, input, textarea, select {
  font-family: var(--font-main);
}

h1, h2, h3, h4, h5 {
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

ul {
  list-style: none;
}

/* ============================================================
   容器与布局框架
============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: var(--spacing-section) 0;
}

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

.section.bg-deep {
  background: var(--bg-deep);
  color: #dce6f0;
}

/* ============================================================
   按钮系统
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(13, 39, 64, 0.25);
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(224, 122, 50, 0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

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

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

.btn-white:hover {
  background: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

/* ============================================================
   徽章
============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232, 135, 58, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

.badge-dark {
  background: rgba(255, 255, 255, 0.14);
  color: #f0e2d2;
}

/* ============================================================
   区块标题
============================================================ */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 14px 0 10px;
  color: var(--primary-dark);
}

.section-header p {
  color: var(--text-secondary);
  font-size: 17px;
}

.section-header .badge {
  margin-bottom: 8px;
}

/* ============================================================
   导航区 — 卡片式导航面板
============================================================ */
.site-header {
  position: relative;
  background: var(--bg-deep);
  padding: 18px 0 30px;
  z-index: 50;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background: url('/assets/images/backpic/back-3.png') center 20% / cover no-repeat;
  pointer-events: none;
}

.custom-nav {
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-badge {
  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: 17px;
  box-shadow: 0 4px 12px rgba(13, 39, 64, 0.22);
}

.logo-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--primary-dark);
  white-space: nowrap;
}

.logo-name .logo-tag {
  color: var(--accent);
  font-weight: 700;
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 500;
  color: var(--text-main);
  font-size: 15px;
  transition: var(--transition);
}

.nav-link i {
  color: var(--text-muted);
  font-size: 14px;
}

.nav-link:hover {
  background: var(--bg-light);
  color: var(--primary);
  transform: translateY(-1px);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(13, 39, 64, 0.25);
}

.nav-link.active i {
  color: rgba(255, 255, 255, 0.8);
}

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

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 14px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

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

.mobile-menu {
  display: none;
  max-width: 1200px;
  margin: 14px auto 0;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 16px;
  position: relative;
  z-index: 3;
}

.mobile-menu.open {
  display: block;
}

.mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: 10px;
  color: var(--text-main);
  font-weight: 500;
  border-bottom: 1px solid var(--border-color);
}

.mobile-link:last-child {
  border-bottom: none;
}

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

.mobile-menu .btn {
  margin-top: 10px;
  width: 100%;
}

/* ============================================================
   Hero 首屏
============================================================ */
.hero {
  position: relative;
  background: var(--bg-deep);
  background-image: linear-gradient(80deg, rgba(8, 26, 43, 0.92) 25%, rgba(8, 26, 43, 0.60) 70%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 100px 0 90px;
  color: #fff;
  overflow: hidden;
}

.hero-content {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: #f5d5b5;
}

.hero-badge i {
  color: var(--accent-light);
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin: 22px 0 18px;
  letter-spacing: -0.03em;
}

.hero h1 .accent-text {
  color: var(--accent-light);
}

.hero .hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 26px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 34px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-points li i {
  color: var(--accent-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-card-panel {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  padding: 28px;
  color: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.hero-card-panel h3 {
  font-size: 18px;
  margin-bottom: 4px;
  color: #fff;
}

.hero-card-panel .score-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.score-big {
  font-size: 46px;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1.1;
  margin: 10px 0 4px;
}

.score-big span {
  font-size: 18px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 4px;
}

.score-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 50px;
  margin: 16px 0 20px;
  overflow: hidden;
}

.score-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: 50px;
  width: 92%;
}

.score-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  padding: 7px 0;
}

.score-list li i {
  color: #3ddc8a;
  font-size: 14px;
  width: 18px;
  text-align: center;
}

/* ============================================================
   统计条
============================================================ */
.stats-section {
  background: var(--bg-white);
  padding: 50px 0;
  border-bottom: 1px solid var(--border-color);
}

.stat-card {
  text-align: center;
  padding: 24px 12px;
}

.stat-number {
  font-size: 38px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
}

.stat-number em {
  font-style: normal;
  color: var(--accent);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ============================================================
   服务卡片板
============================================================ */
.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 28px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card .service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(13, 39, 64, 0.18);
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-dark);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

.service-card .service-img {
  border-radius: var(--radius-md);
  margin-top: 20px;
  height: 140px;
  object-fit: cover;
  width: 100%;
  border: 1px solid var(--border-color);
}

/* ============================================================
   分类入口
============================================================ */
.category-section {
  background: var(--bg-light);
}

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

.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.category-card .category-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.category-card .category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .category-img img {
  transform: scale(1.06);
}

.category-card .category-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 39, 64, 0.55) 0%, transparent 50%);
}

.category-card .category-body {
  padding: 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-card .category-body h3 {
  font-size: 20px;
  color: var(--primary-dark);
}

.category-card .category-body p {
  color: var(--text-secondary);
  font-size: 14px;
  flex: 1;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232, 135, 58, 0.12);
  color: var(--accent-dark);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  margin-top: 4px;
}

.category-link i {
  transition: transform 0.3s ease;
}

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

/* ============================================================
   最新资讯区（CMS 列表）
============================================================ */
.latest-section {
  background: var(--bg-white);
}

.latest-grid {
  margin-top: 12px;
}

.latest-feature-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 26px;
  height: 100%;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.latest-feature-card .post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.latest-feature-card .post-cat {
  background: rgba(232, 135, 58, 0.14);
  color: var(--accent-dark);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.latest-feature-card .post-date {
  color: var(--text-muted);
  font-size: 13px;
}

.latest-feature-card h3 {
  font-size: 18px;
  color: var(--primary-dark);
  line-height: 1.5;
  margin-bottom: 8px;
}

.latest-feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
  flex: 1;
}

.post-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-dark);
  margin-top: 14px;
}

.post-read-more i {
  transition: transform 0.3s;
}

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

.latest-list-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.latest-list-item:hover {
  padding-left: 6px;
}

.latest-list-item .list-item-main {
  flex: 1;
}

.latest-list-item h4 {
  font-size: 15px;
  color: var(--primary-dark);
  margin-bottom: 5px;
  transition: var(--transition);
  line-height: 1.5;
}

.latest-list-item:hover h4 {
  color: var(--accent-dark);
}

.latest-list-item .list-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.latest-list-item .list-meta span:first-child {
  color: var(--accent-dark);
  font-weight: 600;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-color);
}

.empty-state i {
  font-size: 40px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

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

/* ============================================================
   流程板块
============================================================ */
.process-section {
  background: var(--bg-deep);
  color: #dce6f0;
}

.process-section .section-header h2 {
  color: #fff;
}

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

.process-step {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.process-step:last-child {
  border-bottom: none;
}

.step-num {
  width: 46px;
  height: 46px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(232, 135, 58, 0.35);
}

.step-content h4 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 4px;
}

.step-content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  line-height: 1.6;
}

.process-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 340px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ============================================================
   FAQ 板块
============================================================ */
.faq-section {
  background: var(--bg-light);
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  margin-bottom: 12px;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(232, 135, 58, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
}

.faq-question h3 {
  font-size: 16px;
  color: var(--primary-dark);
  font-weight: 600;
}

.faq-question i {
  color: var(--accent);
  font-size: 18px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-color);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ============================================================
   CTA 区域
============================================================ */
.cta-section {
  background: var(--primary-dark);
  background-image: linear-gradient(105deg, rgba(13, 39, 64, 0.93) 30%, rgba(232, 135, 58, 0.66)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 14px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 34px;
}

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

/* ============================================================
   页脚
============================================================ */
.site-footer {
  background: #071722;
  color: #8497a8;
  padding: 60px 0 0;
}

.footer-grid {
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .logo-name {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  color: #8497a8;
  margin-top: 14px;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links ul li {
  margin-bottom: 9px;
}

.footer-links ul li a {
  color: #8497a8;
  font-size: 14px;
}

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

.footer-info p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 10px;
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #5d7182;
}

.footer-bottom a {
  color: #8497a8;
}

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

/* ============================================================
   Focus 可访问性
============================================================ */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
   响应式断点
============================================================ */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 4.5rem;
  }

  .hero {
    padding: 80px 0;
  }

  .nav-links {
    gap: 2px;
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 14px;
  }

  .nav-cta .btn {
    padding: 8px 18px;
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 14px 0 20px;
  }

  .custom-nav {
    padding: 10px 16px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero {
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-card-panel {
    margin-top: 30px;
  }

  .stat-number {
    font-size: 30px;
  }

  .section-header {
    margin-bottom: 2.2rem;
  }

  .process-img-wrap {
    min-height: 260px;
    margin-bottom: 20px;
  }

  .cta-section {
    padding: 70px 0;
  }

  .footer-brand,
  .footer-links {
    margin-bottom: 24px;
  }
}

@media (max-width: 520px) {
  :root {
    --spacing-section: 3.5rem;
  }

  .container {
    padding: 0 16px;
  }

  .custom-nav {
    border-radius: 14px;
    padding: 8px 12px;
  }

  .logo-badge {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 10px;
  }

  .logo-name {
    font-size: 15px;
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .hero .hero-desc {
    font-size: 15px;
  }

  .hero-points {
    gap: 8px 14px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stat-number {
    font-size: 26px;
  }

  .service-card {
    padding: 20px;
  }

  .category-card .category-body {
    padding: 18px;
  }

  .latest-feature-card {
    padding: 20px;
  }

  .faq-item {
    padding: 18px;
  }

  .faq-question h3 {
    font-size: 14px;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
    --primary: #0f2b46;
    --primary-light: #1e3d5c;
    --primary-dark: #0b2136;
    --accent: #c9a87c;
    --accent-light: #e8d5b8;
    --accent-dark: #a58455;
    --bg: #ffffff;
    --bg-alt: #f4f6f9;
    --bg-deep: #0b1d2f;
    --text: #16233a;
    --text-muted: #64748b;
    --border: #e5e9f0;
    --success: #16a34a;
    --warning: #d97706;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 22px;
    --shadow: 0 8px 30px rgba(15, 43, 70, 0.08);
    --shadow-lg: 0 16px 44px rgba(15, 43, 70, 0.14);
    --transition: all 0.3s ease;
    --container-max: 1240px;
    --space-section: 84px;
    --space-section-sm: 52px;
  }

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

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

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

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

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

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

  h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5em;
  }

  p {
    margin-bottom: 1em;
  }

  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 28px;
    width: 100%;
  }

  /* ===== Header/Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }

  .site-header .container {
    display: flex;
    align-items: center;
    min-height: 72px;
  }

  .custom-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 16px;
    flex-wrap: nowrap;
  }

  .site-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .logo-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    box-shadow: 0 4px 14px rgba(15, 43, 70, 0.28);
  }

  .logo-name {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--primary);
    line-height: 1.2;
  }

  .logo-tag {
    display: inline-block;
    margin-left: 6px;
    font-size: 12px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    padding: 2px 10px;
    border-radius: 999px;
    vertical-align: 3px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    padding: 5px;
    border-radius: 999px;
    flex-wrap: wrap;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
  }

  .nav-link i {
    font-size: 14px;
    opacity: 0.8;
  }

  .nav-link:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.8);
  }

  .nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(15, 43, 70, 0.25);
  }

  .nav-cta {
    flex-shrink: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
    outline: none;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 16px rgba(201, 168, 124, 0.35);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 168, 124, 0.45);
  }

  .btn-secondary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(15, 43, 70, 0.25);
  }

  .btn-secondary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 43, 70, 0.3);
  }

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

  .btn-outline:hover {
    border-color: var(--primary);
    background: rgba(15, 43, 70, 0.04);
  }

  .btn-lg {
    padding: 16px 38px;
    font-size: 17px;
  }

  .btn:focus-visible,
  .nav-link:focus-visible,
  .site-logo:focus-visible,
  .mobile-toggle:focus-visible {
    outline: 3px solid rgba(201, 168, 124, 0.5);
    outline-offset: 2px;
  }

  .mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--primary);
    font-size: 18px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
  }

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

  .mobile-menu {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 18px 6px 22px;
    border-top: 1px solid var(--border);
    background: #fff;
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
  }

  .mobile-link i {
    width: 20px;
    text-align: center;
    color: var(--accent);
  }

  .mobile-link:hover {
    background: var(--bg-alt);
    color: var(--primary);
  }

  .mobile-link.active {
    background: var(--primary);
    color: #fff;
  }

  .mobile-menu .btn {
    margin-top: 8px;
  }

  /* ===== Hero/Banner ===== */
  .page-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(11, 33, 54, 0.92), rgba(15, 43, 70, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    padding: 96px 0 92px;
    overflow: hidden;
  }

  .page-hero::after {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(201, 168, 124, 0.12);
    pointer-events: none;
  }

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

  .hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 22px;
    flex-wrap: wrap;
  }

  .hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
  }

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

  .hero-breadcrumb i {
    font-size: 12px;
  }

  .page-hero h1 {
    font-size: 44px;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .page-hero .hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.78);
    max-width: 640px;
    line-height: 1.8;
    margin-bottom: 32px;
  }

  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero-badge-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 26px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
  }

  .hero-badge i {
    color: var(--accent-light);
  }

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

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

  .section-dark {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.85);
  }

  .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 52px;
  }

  .section-header .eyebrow {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    padding: 5px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
    letter-spacing: 1px;
  }

  .section-header h2 {
    font-size: 34px;
    color: var(--primary);
    margin-bottom: 12px;
  }

  .section-header p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.7;
  }

  .section-dark .section-header h2 {
    color: #fff;
  }

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

  /* ===== Cards ===== */
  .grid-margin-x {
    margin-left: -12px;
    margin-right: -12px;
  }

  .grid-margin-x > .cell {
    padding-left: 12px;
    padding-right: 12px;
  }

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

  .entry-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }

  .entry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
  }

  .entry-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
  }

  .entry-card:hover::before {
    transform: scaleX(1);
  }

  .entry-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px rgba(15, 43, 70, 0.22);
  }

  .entry-card:nth-child(2) .entry-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  }

  .entry-card:nth-child(3) .entry-icon {
    background: linear-gradient(135deg, #1e6f5c, #14919b);
  }

  .entry-card:nth-child(4) .entry-icon {
    background: linear-gradient(135deg, #6a3d85, #9b5de5);
  }

  .entry-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
  }

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

  .card-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 999px;
    background: rgba(201, 168, 124, 0.15);
    color: var(--accent-dark);
  }

  /* ===== Steps ===== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    counter-reset: step-counter;
  }

  .step-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    position: relative;
    transition: var(--transition);
  }

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

  .step-number {
    counter-increment: step-counter;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .step-number::before {
    content: "0" counter(step-counter);
  }

  .step-item h3 {
    font-size: 20px;
    margin: 14px 0 10px;
  }

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

  .step-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }

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

  /* ===== Notice ===== */
  .notice-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .notice-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: var(--transition);
    border-left: 4px solid var(--primary);
  }

  .notice-item:hover {
    box-shadow: var(--shadow);
    transform: translateX(4px);
  }

  .notice-item i {
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 14px;
  }

  .notice-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .notice-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 780px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
  }

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

  .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 22px 56px 22px 28px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    position: relative;
    outline: none;
    display: block;
  }

  .faq-question::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 400;
    color: var(--accent);
    transition: var(--transition);
  }

  .faq-item.open .faq-question::after {
    content: '−';
  }

  .faq-answer {
    padding: 0 28px 22px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
    display: none;
  }

  .faq-item.open .faq-answer {
    display: block;
  }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    background-blend-mode: overlay;
    text-align: center;
    padding: 88px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::after {
    content: '';
    position: absolute;
    left: 30px;
    bottom: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(201, 168, 124, 0.08);
  }

  .cta-section h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
  }

  .cta-section p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 17px;
    max-width: 560px;
    margin: 0 auto 34px;
    position: relative;
    z-index: 2;
  }

  .cta-section .hero-actions {
    justify-content: center;
    position: relative;
    z-index: 2;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #0a1825;
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 28px;
  }

  .site-footer .site-logo .logo-name {
    color: #fff;
  }

  .footer-grid {
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 32px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 18px;
    max-width: 340px;
  }

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

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

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

  .footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
  }

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

  .footer-info p {
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    line-height: 1.7;
  }

  .footer-info i {
    color: var(--accent);
    margin-top: 2px;
  }

  .footer-bottom {
    text-align: center;
    padding-top: 8px;
  }

  .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 0;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .card-grid {
      grid-template-columns: repeat(2, 1fr);
    }

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

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

    .nav-links {
      display: none;
    }

    .nav-cta {
      display: none;
    }

    .mobile-toggle {
      display: flex;
    }

    .mobile-menu {
      display: none;
    }

    .mobile-menu.open {
      display: flex;
    }
  }

  @media (max-width: 768px) {
    :root {
      --space-section: 56px;
    }

    .container {
      padding: 0 20px;
    }

    .page-hero {
      padding: 64px 0 60px;
    }

    .page-hero h1 {
      font-size: 30px;
    }

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

    .section-header h2 {
      font-size: 26px;
    }

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

    .cta-section {
      padding: 60px 0;
    }
  }

  @media (max-width: 520px) {
    .card-grid,
    .steps-grid,
    .notice-grid {
      grid-template-columns: 1fr;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .hero-actions .btn {
      justify-content: center;
    }

    .logo-name {
      font-size: 18px;
    }

    .logo-tag {
      font-size: 11px;
    }

    .faq-question {
      font-size: 15px;
      padding: 18px 48px 18px 20px;
    }

    .faq-answer {
      padding: 0 20px 18px;
    }

    .footer-grid {
      gap: 24px;
    }
  }

/* roulang page: article */
/* ============================================================
   南宫集团官网入口 · 完整设计系统
   视觉风格：沉稳 / 高清 / 评测媒体 / 品质感
============================================================ */
:root {
    --primary: #1e3a5f;
    --primary-dark: #12263a;
    --primary-light: #2a5c8f;
    --accent: #c9a24b;
    --accent-light: #dfc478;
    --accent-dark: #a8863a;
    --bg-body: #f3f6fa;
    --bg-light: #eef2f7;
    --card-bg: #ffffff;
    --text-strong: #16233a;
    --text-body: #40516b;
    --text-muted: #7c8ba1;
    --border: #e2e9f2;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 14px rgba(30, 41, 59, 0.06);
    --shadow: 0 12px 36px rgba(30, 41, 59, 0.10);
    --shadow-lg: 0 24px 60px rgba(30, 41, 59, 0.14);
    --transition: all .3s ease;
    --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Noto Serif SC', 'Songti SC', serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-body);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(201, 162, 75, 0.6);
    outline-offset: 2px;
    border-radius: 6px;
}

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

/* ============ 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 rgba(226, 233, 242, 0.8);
    box-shadow: 0 4px 24px rgba(30, 41, 59, 0.04);
}

.custom-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
}

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

.logo-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(30, 58, 95, 0.28);
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 800;
    color: var(--text-strong);
    letter-spacing: .5px;
}

.logo-tag {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 6px;
    margin-left: 6px;
    vertical-align: 2px;
    letter-spacing: 1px;
}

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

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(30, 58, 95, 0.06);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(30, 58, 95, 0.10);
    font-weight: 600;
}

.nav-cta {
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(30, 58, 95, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(30, 58, 95, 0.35);
    color: #fff;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    border: 1.5px solid rgba(255, 255, 255, 0.75);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(201, 162, 75, 0.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(201, 162, 75, 0.45);
    color: #fff;
}

.btn-light {
    background: #fff;
    color: var(--primary);
    border: 1px solid var(--border);
    box-shadow: 0 4px 14px rgba(30, 41, 59, 0.06);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(30, 41, 59, 0.12);
    color: var(--primary);
}

.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 95, 0.06);
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: rgba(30, 58, 95, 0.12);
}

.mobile-toggle.active {
    background: var(--primary);
    color: #fff;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 20px 0 28px;
    border-top: 1px solid var(--border);
}

.mobile-menu.open {
    display: flex;
}

.mobile-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-body);
    background: var(--bg-body);
    transition: var(--transition);
}

.mobile-link:hover {
    background: rgba(30, 58, 95, 0.08);
    color: var(--primary);
}

.mobile-link.active {
    background: rgba(30, 58, 95, 0.10);
    color: var(--primary);
    font-weight: 600;
}

.mobile-menu .btn {
    margin-top: 6px;
}

/* ============ Badges ============ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(30, 58, 95, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
}

.badge-accent {
    background: rgba(201, 162, 75, 0.15);
    color: var(--accent-dark);
}

.badge-sm {
    font-size: 12px;
    padding: 4px 10px;
}

/* ============ Breadcrumb ============ */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 14px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

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

.breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumb .current {
    color: var(--accent-light);
    font-weight: 600;
}

/* ============ Page Banner ============ */
.page-banner {
    position: relative;
    padding: 88px 0 68px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 0 0 36px 36px;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 36, 64, 0.88) 0%, rgba(30, 58, 95, 0.60) 55%, rgba(201, 162, 75, 0.22) 100%);
}

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

.page-banner h2 {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 1px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.page-banner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0;
}

/* ============ Article Section ============ */
.article-section {
    padding: 56px 0 64px;
}

.article-main-col {
    margin-bottom: 32px;
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 48px 52px;
    transition: var(--transition);
}

.article-card h1 {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 900;
    color: var(--text-strong);
    line-height: 1.4;
    margin-bottom: 22px;
    letter-spacing: .5px;
}

.article-meta-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    padding: 16px 0;
    margin-bottom: 30px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.article-meta-bar .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
    color: var(--text-muted);
}

.article-meta-bar .meta-item i {
    color: var(--accent);
}

.article-body {
    font-size: 16px;
    line-height: 1.95;
    color: var(--text-body);
    word-break: break-word;
}

.article-body p {
    margin-bottom: 1.6em;
}

.article-body h2 {
    font-size: 25px;
    font-weight: 700;
    color: var(--text-strong);
    margin: 2em 0 0.8em;
    padding-left: 15px;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-strong);
    margin: 1.8em 0 0.6em;
}

.article-body ul,
.article-body ol {
    margin: 1em 0 1.6em;
    padding-left: 1.5em;
}

.article-body li {
    margin-bottom: 0.6em;
}

.article-body img {
    border-radius: var(--radius);
    max-width: 100%;
    height: auto;
    box-shadow: var(--shadow-sm);
    margin: 1.8em auto;
}

.article-body blockquote {
    margin: 1.6em 0;
    padding: 18px 26px;
    background: var(--bg-light);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-strong);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.8;
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

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

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    border-radius: 10px;
    overflow: hidden;
    font-size: 14px;
}

.article-body th,
.article-body td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.article-body th {
    background: var(--bg-light);
    font-weight: 700;
    color: var(--text-strong);
}

.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 26px;
    margin-top: 30px;
    border-top: 1px solid var(--border);
}

.article-tags .badge {
    background: var(--bg-light);
    color: var(--text-muted);
}

.article-tags .badge:hover {
    background: rgba(201, 162, 75, 0.15);
    color: var(--accent-dark);
}

.article-footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 34px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}

.article-footer-nav .btn {
    font-size: 14px;
    padding: 10px 20px;
}

.not-found-card {
    text-align: center;
    padding: 80px 30px;
}

.not-found-card i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.not-found-card h2 {
    font-size: 30px;
    color: var(--text-strong);
    margin-bottom: 12px;
    font-family: var(--font-serif);
}

.not-found-card p {
    color: var(--text-muted);
    margin-bottom: 28px;
}

/* ============ Sidebar ============ */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.widget-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 26px;
    transition: var(--transition);
}

.widget-card:hover {
    box-shadow: var(--shadow);
}

.widget-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
}

.widget-card h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 44px;
    height: 3px;
    background: var(--accent);
    border-radius: 99px;
}

.widget-cover {
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 18px;
    position: relative;
}

.widget-cover img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform .5s ease;
}

.widget-cover:hover img {
    transform: scale(1.04);
}

.widget-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(15, 36, 64, 0.35) 100%);
}

.widget-meta-list {
    list-style: none;
}

.widget-meta-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px dashed var(--border);
}

.widget-meta-list li:last-child {
    border-bottom: none;
}

.widget-meta-list i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}

.widget-meta-list span {
    font-weight: 600;
    color: var(--text-strong);
}

/* 平台概览 */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 6px;
}

.overview-item {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 14px 6px;
    text-align: center;
    transition: var(--transition);
}

.overview-item:hover {
    background: rgba(201, 162, 75, 0.12);
    transform: translateY(-3px);
}

.overview-item .num {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-serif);
    margin-bottom: 3px;
}

.overview-item .label {
    font-size: 12px;
    color: var(--text-muted);
}

/* 最新资讯列表 */
.widget-news-list {
    list-style: none;
}

.widget-news-list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}

.widget-news-list li:last-child {
    border-bottom: none;
}

.widget-news-list a {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    margin-bottom: 4px;
    transition: var(--transition);
    line-height: 1.5;
}

.widget-news-list a:hover {
    color: var(--primary);
}

.widget-news-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* 分类入口 */
.widget-categories {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.category-entry {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--bg-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

.category-entry:hover {
    background: #fff;
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.category-entry i:first-child {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}

.category-entry span {
    flex: 1;
    font-weight: 600;
    color: var(--text-strong);
    font-size: 15px;
}

.category-entry i:last-child {
    font-size: 13px;
    color: var(--text-muted);
    transition: transform .3s ease;
}

.category-entry:hover i:last-child {
    transform: translateX(3px);
    color: var(--accent-dark);
}

/* ============ Related Section ============ */
.related-section {
    padding: 64px 0 80px;
    background: var(--bg-light);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-head h2 {
    font-family: var(--font-serif);
    font-size: 33px;
    font-weight: 900;
    color: var(--text-strong);
    letter-spacing: 1px;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-head h2::after {
    content: '';
    display: block;
    width: 56px;
    height: 4px;
    background: var(--accent);
    border-radius: 99px;
    margin: 12px auto 0;
}

.section-head p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 0;
}

.related-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    margin-bottom: 24px;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.related-card-cover {
    position: relative;
    height: 190px;
    overflow: hidden;
    background: var(--bg-light);
}

.related-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .55s ease;
}

.related-card:hover .related-card-cover img {
    transform: scale(1.06);
}

.related-card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15, 36, 64, 0.3) 100%);
}

.related-card-cover .badge {
    position: absolute;
    left: 14px;
    bottom: 14px;
    z-index: 2;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

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

.related-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-strong);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 51px;
    transition: color .3s ease;
}

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

.related-card-body p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.related-more {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.related-more i {
    transition: transform .3s ease;
}

.related-card:hover .related-more i {
    transform: translateX(4px);
}

/* ============ CTA Section ============ */
.cta-section {
    padding: 80px 0;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 36, 64, 0.92) 0%, rgba(30, 58, 95, 0.78) 60%, rgba(201, 162, 75, 0.30) 100%);
}

.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.cta-inner .badge {
    background: rgba(201, 162, 75, 0.25);
    color: var(--accent-light);
    font-size: 14px;
    padding: 8px 20px;
    margin-bottom: 22px;
}

.cta-inner h2 {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 900;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 14px;
}

.cta-inner p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.8;
}

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

/* ============ Footer ============ */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding-top: 60px;
    border-top: 4px solid var(--accent);
}

.footer-grid {
    padding-bottom: 40px;
}

.footer-brand .site-logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 0;
}

.footer-links h4 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 99px;
}

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

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

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a i {
    font-size: 12px;
    color: var(--accent);
    transition: transform .3s ease;
}

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

.footer-links a:hover i {
    transform: translateX(3px);
}

.footer-info h4 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-info h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 99px;
}

.footer-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-info p i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 22px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
}

/* ============ Responsive ============ */
@media screen and (max-width: 1024px) {
    .page-banner {
        padding: 70px 0 54px;
    }

    .page-banner h2 {
        font-size: 32px;
    }

    .article-card {
        padding: 40px 36px;
    }

    .article-card h1 {
        font-size: 30px;
    }
}

@media screen and (max-width: 812px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: inline-flex;
    }

    .mobile-menu.open {
        display: flex;
    }

    .custom-nav {
        height: 68px;
    }

    .article-section {
        padding: 40px 0 48px;
    }

    .article-card {
        padding: 32px 26px;
        border-radius: 20px;
    }

    .article-card h1 {
        font-size: 26px;
    }

    .article-body {
        font-size: 15.5px;
    }

    .sidebar {
        margin-top: 24px;
    }

    .section-head h2 {
        font-size: 28px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-inner h2 {
        font-size: 30px;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 18px;
    }

    .page-banner {
        padding: 54px 0 42px;
        border-radius: 0 0 24px 24px;
    }

    .page-banner h2 {
        font-size: 26px;
    }

    .page-banner p {
        font-size: 14px;
    }

    .breadcrumb {
        font-size: 13px;
    }

    .article-card {
        padding: 26px 20px;
        border-radius: 16px;
        box-shadow: var(--shadow-sm);
    }

    .article-card h1 {
        font-size: 22px;
        line-height: 1.45;
    }

    .article-meta-bar {
        gap: 10px;
        padding: 14px 0;
    }

    .article-meta-bar .meta-item {
        font-size: 13px;
    }

    .article-body h2 {
        font-size: 21px;
    }

    .article-body h3 {
        font-size: 18px;
    }

    .article-footer-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

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

    .widget-card {
        padding: 22px 18px;
    }

    .related-card-cover {
        height: 180px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

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

    .footer-grid {
        padding-bottom: 24px;
    }

    .logo-name {
        font-size: 18px;
    }

    .logo-tag {
        font-size: 11px;
        padding: 2px 7px;
    }
}

/* roulang page: category2 */
:root {
      --primary: #0e5fb3;
      --primary-dark: #0a4180;
      --primary-light: #eaf2fc;
      --accent: #f59e0b;
      --accent-light: #fef3e2;
      --dark: #0d1b2a;
      --dark-2: #152a40;
      --bg: #f5f7fb;
      --surface: #ffffff;
      --border: #e5eaf1;
      --text: #1f2937;
      --text-muted: #64748b;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow-sm: 0 4px 14px rgba(15, 95, 179, 0.06);
      --shadow-md: 0 10px 30px rgba(15, 95, 179, 0.10);
      --shadow-lg: 0 16px 50px rgba(13, 27, 42, 0.14);
      --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.7;
      background: var(--bg);
      color: var(--text);
    }

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

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.25s ease;
    }

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

    button {
      font: inherit;
      border: 0;
      cursor: pointer;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-right: auto;
      margin-left: auto;
      padding-right: 20px;
      padding-left: 20px;
    }

    main {
      overflow: hidden;
    }

    /* ===== Header / Navigation ===== */
    .site-header {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }

    .custom-nav {
      display: flex;
      align-items: center;
      gap: 28px;
      padding: 16px 0;
      position: relative;
    }

    .site-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      flex-shrink: 0;
    }

    .logo-badge {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      box-shadow: 0 6px 16px rgba(15, 95, 179, 0.26);
    }

    .logo-name {
      font-size: 19px;
      font-weight: 800;
      letter-spacing: 0.3px;
      color: var(--text);
      white-space: nowrap;
    }

    .logo-tag {
      font-size: 12px;
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 30px;
      margin-left: 2px;
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      gap: 6px;
      margin-left: 12px;
      flex-wrap: wrap;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 16px;
      border-radius: 10px;
      color: var(--text-muted);
      font-size: 15px;
      font-weight: 600;
      transition: background 0.25s, color 0.25s, box-shadow 0.25s;
    }

    .nav-link i {
      color: var(--primary);
      opacity: 0.8;
    }

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

    .nav-link.active {
      background: var(--primary-light);
      color: var(--primary-dark);
      box-shadow: inset 0 0 0 1px rgba(15, 95, 179, 0.08);
    }

    .nav-cta {
      margin-left: auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 22px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: transform 0.25s, box-shadow 0.25s, background 0.25s, color 0.25s;
      border: 1.5px solid transparent;
      text-decoration: none;
      line-height: 1.5;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: 0 8px 20px rgba(15, 95, 179, 0.22);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(15, 95, 179, 0.32);
    }

    .btn-primary:focus {
      outline: 3px solid rgba(15, 95, 179, 0.35);
      outline-offset: 2px;
    }

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

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

    .btn-outline:focus {
      outline: 3px solid rgba(15, 95, 179, 0.25);
      outline-offset: 2px;
    }

    .btn-light {
      background: #fff;
      color: var(--dark);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    }

    .btn-light:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
      color: var(--dark);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-left: auto;
      transition: background 0.25s, color 0.25s;
    }

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

    .mobile-menu {
      display: none;
    }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      padding: 100px 0 84px;
      background: linear-gradient(135deg, rgba(13, 27, 42, 0.92), rgba(10, 65, 128, 0.78)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      color: #fff;
      text-align: center;
    }

    .breadcrumb {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      margin-bottom: 18px;
      color: #cbd5e1;
    }

    .breadcrumb a {
      color: #e0e7ff;
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .breadcrumb i {
      font-size: 12px;
      opacity: 0.7;
    }

    .page-hero h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .page-hero p {
      max-width: 660px;
      margin: 0 auto 28px;
      color: #e2e8f0;
      font-size: 17px;
    }

    .hero-btns {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ===== Section ===== */
    .section {
      padding: 90px 0;
    }

    .section-alt {
      background: var(--surface);
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 52px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      background: var(--primary-light);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: 0.08em;
    }

    .section-head h2 {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
      color: var(--text);
    }

    .section-head p {
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.7;
    }

    /* ===== Feature Cards ===== */
    .feature-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(15, 95, 179, 0.18);
    }

    .card-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
    }

    .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.45s;
    }

    .feature-card:hover .card-media img {
      transform: scale(1.05);
    }

    .card-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 12px;
      font-weight: 700;
      color: #fff;
      background: var(--accent);
      box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
      z-index: 2;
    }

    .card-badge.blue {
      background: var(--primary);
      box-shadow: 0 4px 12px rgba(15, 95, 179, 0.30);
    }

    .card-badge.green {
      background: #10b981;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.30);
    }

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

    .card-body h3 {
      font-size: 19px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }

    .card-body p {
      color: var(--text-muted);
      font-size: 14px;
      margin-bottom: 14px;
      line-height: 1.7;
      flex: 1;
    }

    .card-link {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap 0.25s;
    }

    .card-link:hover {
      gap: 10px;
      color: var(--primary-dark);
    }

    .feature-cell {
      margin-bottom: 24px;
    }

    /* ===== Timeline ===== */
    .section-timeline {
      background: linear-gradient(180deg, var(--dark), var(--dark-2));
      position: relative;
      color: #fff;
    }

    .section-timeline::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.10), transparent 60%);
      pointer-events: none;
    }

    .section-timeline .section-head h2 {
      color: #fff;
    }

    .section-timeline .section-head p {
      color: #b6c2d4;
    }

    .timeline-wrapper {
      position: relative;
      max-width: 880px;
      margin: 0 auto;
    }

    .timeline-wrapper::before {
      content: '';
      position: absolute;
      left: 20px;
      top: 6px;
      bottom: 6px;
      width: 2px;
      background: linear-gradient(to bottom, rgba(245, 158, 11, 0.5), rgba(15, 95, 179, 0.3));
    }

    .timeline-item {
      position: relative;
      padding-left: 68px;
      margin-bottom: 30px;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 6px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid #fff;
      box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.25);
      z-index: 1;
    }

    .timeline-date {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      background: rgba(245, 158, 11, 0.12);
      font-size: 13px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 30px;
      margin-bottom: 8px;
    }

    .timeline-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.10);
      border-radius: var(--radius-sm);
      padding: 20px 22px;
      backdrop-filter: blur(8px);
      transition: background 0.3s, border-color 0.3s, transform 0.3s;
    }

    .timeline-card:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(245, 158, 11, 0.35);
      transform: translateX(4px);
    }

    .timeline-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
      color: #fff;
    }

    .timeline-card p {
      font-size: 14px;
      color: #b6c2d4;
      margin: 0;
    }

    /* ===== Stats ===== */
    .section-stats {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

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

    .stat-item {
      background: linear-gradient(135deg, var(--primary-light), #f0f6ff);
      border: 1px solid rgba(15, 95, 179, 0.10);
      border-radius: var(--radius);
      padding: 34px 20px;
      text-align: center;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .stat-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .stat-num {
      font-size: 42px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-label {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 600;
    }

    /* ===== Topics ===== */
    .topic-card {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      height: 100%;
      min-height: 230px;
      display: flex;
      align-items: flex-end;
      background: var(--dark);
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s, transform 0.3s;
    }

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

    .topic-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.5;
      transition: transform 0.5s, opacity 0.4s;
    }

    .topic-card:hover img {
      transform: scale(1.06);
      opacity: 0.4;
    }

    .topic-overlay {
      position: relative;
      z-index: 1;
      padding: 24px;
      color: #fff;
      width: 100%;
      background: linear-gradient(to top, rgba(13, 27, 42, 0.88), transparent);
    }

    .topic-overlay h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .topic-overlay p {
      font-size: 13px;
      opacity: 0.85;
      margin: 0;
    }

    .topic-icon {
      position: absolute;
      top: 18px;
      right: 18px;
      z-index: 2;
      width: 36px;
      height: 36px;
      border-radius: 30px;
      background: rgba(255, 255, 255, 0.18);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      backdrop-filter: blur(4px);
    }

    .topic-cell {
      margin-bottom: 20px;
    }

    /* ===== CTA ===== */
    .section-cta {
      padding: 40px 0 90px;
    }

    .cta-panel {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border-radius: 24px;
      padding: 56px 40px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .cta-panel::before {
      content: '\f058';
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      right: -20px;
      bottom: -40px;
      font-size: 150px;
      opacity: 0.06;
      color: #fff;
    }

    .cta-panel h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      color: #fff;
      position: relative;
      z-index: 1;
    }

    .cta-panel p {
      color: rgba(255, 255, 255, 0.9);
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto 28px;
      position: relative;
      z-index: 1;
    }

    .cta-btns {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
      position: relative;
      z-index: 1;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      padding: 0;
      transition: border-color 0.3s, box-shadow 0.3s;
    }

    .faq-item:hover {
      border-color: rgba(15, 95, 179, 0.25);
      box-shadow: var(--shadow-sm);
    }

    .faq-item details {
      padding: 20px 24px;
    }

    .faq-item details summary {
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

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

    .faq-item details summary::after {
      content: '\f067';
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--primary);
      font-size: 14px;
      flex-shrink: 0;
    }

    .faq-item details[open] summary::after {
      content: '\f068';
    }

    .faq-item details p {
      color: var(--text-muted);
      font-size: 14px;
      margin-top: 14px;
      line-height: 1.8;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--dark);
      color: #cbd5e1;
      padding: 64px 0 24px;
    }

    .footer-grid {
      row-gap: 36px;
    }

    .footer-brand .site-logo {
      color: #fff;
    }

    .footer-brand p {
      margin-top: 16px;
      color: #94a3b8;
      font-size: 14px;
      max-width: 380px;
      line-height: 1.8;
    }

    .footer-links h4,
    .footer-info h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 18px;
    }

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

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

    .footer-links a {
      color: #94a3b8;
      font-size: 14px;
      transition: color 0.25s, padding-left 0.25s;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-links a i {
      color: var(--accent);
      margin-right: 4px;
      font-size: 12px;
    }

    .footer-info p {
      color: #94a3b8;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .footer-info p i {
      color: var(--accent);
      margin-right: 8px;
    }

    .footer-bottom {
      border-top: 1px solid #24344d;
      margin-top: 48px;
      padding-top: 20px;
      text-align: center;
      color: #64748b;
      font-size: 14px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .custom-nav {
        gap: 16px;
      }

      .nav-links {
        gap: 4px;
      }

      .nav-link {
        padding: 9px 12px;
        font-size: 14px;
      }

      .page-hero {
        padding: 80px 0 64px;
      }

      .page-hero h1 {
        font-size: 36px;
      }

      .section {
        padding: 70px 0;
      }

      .section-head h2 {
        font-size: 30px;
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
    }

    @media (max-width: 768px) {
      .custom-nav {
        gap: 10px;
      }

      .nav-links,
      .nav-cta {
        display: none;
      }

      .mobile-toggle {
        display: flex;
      }

      .mobile-menu {
        display: block;
        max-height: 0;
        overflow: hidden;
        background: #fff;
        transition: max-height 0.4s ease, padding 0.3s ease;
        border-top: 0 solid var(--border);
      }

      .mobile-menu.open {
        max-height: 420px;
        border-top-width: 1px;
        padding: 14px 0 18px;
      }

      .mobile-link {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 0;
        color: var(--text);
        font-weight: 600;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
      }

      .mobile-link i {
        color: var(--primary);
        width: 20px;
        text-align: center;
      }

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

      .mobile-menu .btn {
        width: 100%;
        margin-top: 16px;
      }

      .page-hero {
        padding: 66px 0 52px;
      }

      .page-hero h1 {
        font-size: 30px;
      }

      .page-hero p {
        font-size: 15px;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        margin-bottom: 36px;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .section-head p {
        font-size: 15px;
      }

      .stat-num {
        font-size: 34px;
      }

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

      .cta-panel h2 {
        font-size: 24px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-right: 16px;
        padding-left: 16px;
      }

      .page-hero h1 {
        font-size: 25px;
      }

      .hero-btns {
        flex-direction: column;
        align-items: center;
      }

      .hero-btns .btn {
        width: 100%;
        max-width: 280px;
      }

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

      .stat-item {
        padding: 24px 14px;
      }

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

      .timeline-item {
        padding-left: 52px;
      }

      .timeline-wrapper::before {
        left: 14px;
      }

      .timeline-item::before {
        left: 5px;
        width: 16px;
        height: 16px;
      }

      .timeline-card {
        padding: 14px 16px;
      }

      .timeline-card h3 {
        font-size: 15px;
      }

      .timeline-card p {
        font-size: 13px;
      }

      .cta-btns {
        flex-direction: column;
        align-items: center;
      }

      .cta-btns .btn {
        width: 100%;
        max-width: 280px;
      }

      .footer-grid {
        row-gap: 28px;
      }
    }