/* roulang page: index */
:root {
  --primary: #123A5C;
  --primary-light: #E9F1F7;
  --primary-dark: #0D2A44;
  --accent: #F26B3A;
  --accent-dark: #D9582A;
  --info: #00A89D;
  --bg: #FFFFFF;
  --bg-subtle: #F5F9FC;
  --text-main: #1A2A3A;
  --text-secondary: #5A6B7A;
  --border: #E1E8EE;
  --border-dark: #C8D6E4;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(18, 58, 92, 0.06);
  --shadow-md: 0 8px 24px rgba(18, 58, 92, 0.08);
  --shadow-lg: 0 14px 36px rgba(18, 58, 92, 0.14);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 15px;
  overflow-x: hidden;
}

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

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

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

.section-padding {
  padding: 80px 0;
}

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

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

.section-heading h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-heading p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
}

@media (max-width: 768px) {
  .section-heading h2 {
    font-size: 26px;
  }
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.navbar-custom {
  padding: 18px 0;
  min-height: 74px;
}

.navbar-brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand i {
  color: var(--accent);
  font-size: 22px;
}

.navbar-brand:hover {
  color: var(--primary);
}

.navbar-custom .navbar-nav {
  gap: 6px;
}

.navbar-custom .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 18px;
  position: relative;
  letter-spacing: 0.3px;
  outline: none;
}

.navbar-custom .nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 2px;
  width: calc(100% - 36px);
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

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

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

.navbar-custom .nav-link.active {
  font-weight: 700;
}

.navbar-toggler {
  border: none;
  padding: 6px 10px;
  outline: none;
}

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

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(18,58,92,0.9)' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991px) {
  .navbar-custom {
    padding: 12px 0;
  }
  .navbar-custom .navbar-collapse {
    background: #fff;
    border-top: 1px solid var(--border);
    margin-top: 10px;
    padding: 10px 0;
  }
  .navbar-custom .nav-link {
    padding: 12px 16px;
    font-size: 16px;
  }
  .navbar-custom .nav-link::after {
    display: none;
  }
  .navbar-custom .nav-link.active {
    border-left: 4px solid var(--accent);
    background: var(--primary-light);
    border-radius: 0 8px 8px 0;
    color: var(--primary);
  }
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 520px;
  height: 78vh;
  max-height: 720px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(18, 58, 92, 0.94) 0%, rgba(18, 58, 92, 0.78) 40%, rgba(18, 58, 92, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
  max-width: 860px;
}

.hero-content h1 {
  color: #fff;
  font-size: 52px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-content .hero-sub {
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  outline: none;
  line-height: 1;
}

.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 8px 24px rgba(242, 107, 58, 0.35);
}

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

.btn-primary-custom:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(18, 58, 92, 0.3);
}

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

.btn-outline-light-custom:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

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

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

.btn-custom:active {
  transform: translateY(0) scale(0.98);
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 32px;
  }
  .hero-content .hero-sub {
    font-size: 16px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn-custom {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

/* Hero信息条 */
.hero-info-bar {
  background: var(--primary);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 14px 0;
}

.hero-info-bar .info-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.5px;
  padding: 6px 0;
}

.hero-info-bar .info-item i {
  color: var(--accent);
  font-size: 16px;
}

.hero-info-bar .info-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 18px;
  line-height: 1;
}

@media (max-width: 768px) {
  .hero-info-bar .info-item {
    font-size: 13px;
  }
}

/* ===== 服务板块 ===== */
.services-section {
  background: var(--bg);
}

.service-card-main,
.service-card-small,
.service-card-wide,
.service-card-mini {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.service-card-main:hover,
.service-card-small:hover,
.service-card-wide:hover,
.service-card-mini:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-dark);
  transform: translateY(-4px);
}

.service-card-main {
  padding: 40px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card-main .service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-card-main .service-icon i {
  font-size: 28px;
  color: var(--primary);
}

.service-card-main h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card-main p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 10px;
}

.service-card-main .card-link {
  margin-top: auto;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: 16px;
}

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

.service-card-small {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 140px;
}

.service-card-small .service-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.service-card-small .service-icon i {
  font-size: 20px;
  color: var(--primary);
}

.service-card-small h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.service-card-small p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.service-card-small .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

.service-card-small .card-link:hover {
  gap: 8px;
  color: var(--accent-dark);
}

.service-card-wide {
  padding: 32px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 100%;
}

.service-card-wide .service-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-card-wide .service-icon i {
  font-size: 26px;
  color: var(--primary);
}

.service-card-wide h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.service-card-wide p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 0;
  flex: 1;
}

.service-card-wide .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.service-card-mini {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card-mini .service-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.service-card-mini .service-icon i {
  font-size: 20px;
  color: var(--primary);
}

.service-card-mini h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.service-card-mini p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 12px;
}

.service-card-mini .card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  margin-top: auto;
}

.service-card-mini .card-link:hover {
  color: var(--accent-dark);
}

.services-row + .services-row {
  margin-top: 24px;
}

@media (max-width: 991px) {
  .service-card-main,
  .service-card-small,
  .service-card-wide,
  .service-card-mini {
    margin-bottom: 16px;
  }
  .service-card-wide {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
  }
  .service-card-wide .card-link {
    margin-top: 10px;
  }
}

/* ===== 优势数据 ===== */
.stats-section {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  position: relative;
}

.stat-item + .stat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1.2;
  letter-spacing: -2px;
}

.stat-number .symbol {
  color: var(--info);
  font-size: 32px;
  margin-left: 4px;
  font-weight: 700;
}

.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 34px;
  }
  .stat-number .symbol {
    font-size: 24px;
  }
  .stat-item {
    padding: 20px 8px;
  }
  .stat-item + .stat-item::before {
    display: none;
  }
}

/* ===== 案例板块 ===== */
.cases-section {
  background: var(--bg);
}

.case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 40px;
  transition: all 0.35s ease;
}

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

.case-img-wrap {
  height: 100%;
  min-height: 280px;
  overflow: hidden;
}

.case-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-card:hover .case-img-wrap img {
  transform: scale(1.04);
}

.case-content {
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.case-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.4;
}

.case-content p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
}

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.case-tags .tag-item {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}

.case-card .btn-custom {
  align-self: flex-start;
}

@media (max-width: 991px) {
  .case-content {
    padding: 28px 24px;
  }
  .case-img-wrap {
    min-height: 220px;
  }
}

/* ===== 方案流程 ===== */
.process-section {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-wrap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.process-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px rgba(18, 58, 92, 0.1);
  position: relative;
  z-index: 2;
}

.process-step h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.process-step p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 220px;
  margin: 0 auto;
  line-height: 1.7;
}

.step-connector {
  flex: 0 0 60px;
  height: 2px;
  background: var(--primary);
  opacity: 0.3;
  margin-top: 32px;
  position: relative;
}

.step-connector::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.6;
}

@media (max-width: 768px) {
  .process-wrap {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }
  .step-connector {
    width: 2px;
    height: 24px;
    flex: 0 0 auto;
    margin: 0;
  }
  .step-connector::after {
    right: -4px;
    top: auto;
    bottom: -4px;
  }
}

.cta-banner {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-banner::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

.cta-banner h3 {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .cta-banner {
    padding: 36px 20px;
  }
  .cta-banner h3 {
    font-size: 22px;
  }
}

/* ===== 最新资讯 ===== */
.news-section {
  background: var(--bg);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  align-items: flex-start;
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
  transform: translateX(6px);
}

.news-thumb {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

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

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

.category-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
  align-self: flex-start;
  letter-spacing: 0.5px;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.5;
}

.news-body h3 a {
  color: inherit;
}

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

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

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: auto;
}

.news-meta a {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-meta a:hover {
  gap: 8px;
  color: var(--accent-dark);
}

.empty-state {
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-subtle);
}

.empty-state i {
  font-size: 36px;
  color: var(--border-dark);
  margin-bottom: 16px;
  display: block;
}

.empty-state p {
  font-size: 15px;
  margin: 0;
}

@media (max-width: 576px) {
  .news-card {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
  }
  .news-thumb {
    width: 100%;
    height: 160px;
  }
}

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

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

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: all 0.3s ease;
  position: relative;
}

.faq-question::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: var(--primary);
  opacity: 0;
  transition: all 0.3s ease;
}

.faq-item[data-open="true"] .faq-question::before {
  opacity: 1;
}

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

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[data-open="true"] .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-left: 2px;
}

@media (max-width: 768px) {
  .faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }
  .faq-answer {
    padding: 0 18px 16px 18px;
    font-size: 14px;
  }
}

/* ===== 联系板块 ===== */
.contact-section {
  background: var(--bg);
}

.contact-info {
  padding-right: 40px;
}

.contact-info h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.contact-info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 10px 0;
  color: var(--text-main);
  font-size: 15px;
}

.contact-info-list li i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 4px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.contact-service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.contact-service-tags .tag {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
}

.contact-form-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px;
}

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

.contact-form .form-control {
  height: 50px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-main);
  background: var(--bg);
  transition: all 0.3s ease;
}

.contact-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(18, 58, 92, 0.12);
  outline: none;
}

.contact-form textarea.form-control {
  height: 130px;
  resize: vertical;
  min-height: 100px;
}

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

.contact-form .btn-custom {
  width: 100%;
  justify-content: center;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.contact-form .btn-custom:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: 0 8px 24px rgba(242, 107, 58, 0.35);
}

@media (max-width: 991px) {
  .contact-info {
    padding-right: 0;
    margin-bottom: 36px;
  }
  .contact-form-wrap {
    padding: 24px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 60px 0 0;
  border-top: 4px solid var(--accent);
}

.footer-brand {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

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

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 14px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom a:hover {
  color: #fff;
}

@media (max-width: 768px) {
  .site-footer {
    padding: 40px 0 0;
  }
  .footer-brand {
    font-size: 20px;
  }
}

/* ===== 通用辅助 ===== */
::selection {
  background: var(--primary-light);
  color: var(--primary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-subtle);
}

::-webkit-scrollbar-thumb {
  background: var(--border-dark);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(18, 58, 92, 0.4);
  outline-offset: 2px;
  box-shadow: none;
}

/* roulang page: category1 */
:root {
  --primary: #123A5C;
  --primary-light: #E9F1F7;
  --accent: #F26B3A;
  --info: #00A89D;
  --bg: #FFFFFF;
  --bg-subtle: #F5F9FC;
  --text-main: #1A2A3A;
  --text-secondary: #5A6B7A;
  --border: #E1E8EE;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-badge: 999px;
  --shadow-card: 0 8px 24px rgba(18,58,92,0.08);
  --shadow-hover: 0 14px 36px rgba(18,58,92,0.14);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ======== 顶部导航 ======== */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 18px 0 14px;
  position: sticky;
  top: 0;
  z-index: 1050;
}

.navbar-custom {
  padding: 0;
}

.navbar-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary) !important;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.5px;
}

.navbar-brand i {
  color: var(--accent);
  font-size: 20px;
}

.navbar-custom .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 18px !important;
  letter-spacing: 0.3px;
}

.navbar-custom .nav-link:hover {
  color: var(--primary) !important;
}

.navbar-custom .nav-link.active {
  color: var(--primary) !important;
  font-weight: 700;
  position: relative;
}

.navbar-custom .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 18px;
  right: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

@media (max-width: 991.98px) {
  .navbar-custom .nav-link.active::after {
    left: 0;
    right: auto;
    width: 32px;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
    height: 6px;
    border-radius: 6px;
  }
  .navbar-custom .nav-link {
    padding: 12px 0 !important;
    border-bottom: 1px solid var(--border);
  }
}

.navbar-toggler {
  border: none;
  outline: none;
  padding: 6px;
}

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

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23123A5C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") !important;
}

/* ======== Hero 横幅 ======== */
.cat-hero {
  background: linear-gradient(135deg, rgba(18,58,92,0.92) 0%, rgba(18,58,92,0.72) 50%, rgba(18,58,92,0.88) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height: 380px;
  display: flex;
  align-items: center;
  padding: 70px 0;
}

.cat-hero .hero-badge {
  display: inline-block;
  background: rgba(242,107,58,0.9);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-badge);
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.cat-hero h1 {
  color: #fff;
  font-size: 44px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.cat-hero .hero-sub {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 30px;
}

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

@media (max-width: 768px) {
  .cat-hero {
    min-height: 460px;
    padding: 56px 0;
  }
  .cat-hero h1 {
    font-size: 32px;
  }
  .cat-hero .hero-sub {
    font-size: 15px;
  }
}

/* ======== 导语 ======== */
.category-intro {
  padding: 80px 0 20px;
}

.category-intro p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-secondary);
  max-width: 900px;
}

.category-intro p strong {
  color: var(--primary);
}

/* ======== 专题大图卡 ======== */
.feature-banner {
  margin: 40px 0;
}

.feature-banner .feature-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: block;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.feature-banner .feature-img {
  position: relative;
  min-height: 320px;
  background-size: cover;
  background-position: center;
}

.feature-banner .feature-img .img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(18,58,92,0.85) 0%, rgba(18,58,92,0.1) 60%, transparent 100%);
}

.feature-banner .feature-content {
  padding: 36px;
}

.feature-banner .feature-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 12px;
}

.feature-banner h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.feature-banner p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

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

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

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

/* ======== 列表卡错落排版 ======== */
.listed-cards {
  padding: 30px 0 70px;
}

.listed-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.listed-card .card-img-side {
  min-height: 260px;
  background-size: cover;
  background-position: center;
}

.listed-card .card-body-side {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.listed-card .card-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 14px;
  align-self: flex-start;
}

.listed-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.listed-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.listed-card .card-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (max-width: 991.98px) {
  .listed-card .card-img-side {
    min-height: 200px;
  }
  .listed-card .card-body-side {
    padding: 24px;
  }
}

@media (max-width: 767.98px) {
  .listed-card .row > div + div {
    margin-top: 0;
  }
}

/* ======== 优势数据 ======== */
.stats-section {
  background: var(--bg-subtle);
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-section .stats-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.stats-section h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 44px;
  color: var(--text-main);
}

.stat-item {
  text-align: center;
  padding: 16px 24px;
  border-right: 1px solid var(--border);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item .stat-num {
  font-size: 46px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.stat-item .stat-num i {
  font-size: 24px;
  color: var(--info);
  font-style: normal;
}

.stat-item .stat-label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 767.98px) {
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .stat-item .stat-num {
    font-size: 38px;
  }
}

/* ======== 服务覆盖范围 ======== */
.coverage-section {
  padding: 80px 0;
}

.coverage-section .section-head {
  text-align: center;
  margin-bottom: 50px;
}

.coverage-section .section-head h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

.coverage-section .section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto;
}

.coverage-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 30px 26px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.coverage-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.coverage-card .icon-wrap i {
  font-size: 24px;
  color: var(--primary);
}

.coverage-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.coverage-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ======== 使用流程 ======== */
.process-section {
  background: var(--primary);
  padding: 80px 0;
  color: #fff;
}

.process-section .section-head h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

.process-section .section-head p {
  color: rgba(255,255,255,0.75);
}

.process-step {
  text-align: center;
  position: relative;
  padding: 30px 20px;
}

.process-step .step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(242,107,58,0.35);
}

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.75;
}

.process-step::after {
  content: "";
  position: absolute;
  top: 52px;
  right: -24px;
  width: 48px;
  height: 2px;
  background: rgba(255,255,255,0.3);
}

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

@media (max-width: 991.98px) {
  .process-step::after {
    display: none;
  }
}

/* ======== CTA 通栏 ======== */
.cta-section {
  background: linear-gradient(135deg, var(--accent) 0%, #E2551F 100%);
  padding: 56px 0;
  color: #fff;
}

.cta-section h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-section p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 0;
}

.cta-section .btn-cta {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.cta-section .btn-cta:hover {
  background: #0e2f4d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

/* ======== FAQ ======== */
.faq-section {
  padding: 80px 0;
}

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

.faq-section .section-head h2 {
  font-size: 30px;
  font-weight: 800;
}

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

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}

.faq-item .faq-q {
  padding: 22px 52px 22px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item .faq-q .icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-item .faq-q .icon::before,
.faq-item .faq-q .icon::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.faq-item .faq-q .icon::before {
  width: 2px;
  height: 16px;
  left: 9px;
  top: 2px;
}

.faq-item .faq-q .icon::after {
  width: 16px;
  height: 2px;
  left: 2px;
  top: 9px;
}

.faq-item.active .faq-q .icon::before {
  transform: scaleY(0);
}

.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-left: 3px solid var(--primary);
  margin-left: 20px;
}

.faq-item.active .faq-a {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ======== 联系 CTA ======== */
.contact-cta {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
}

.contact-cta h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 14px;
}

.contact-cta .contact-info p {
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.contact-cta .contact-info i {
  color: var(--primary);
  margin-right: 8px;
  width: 20px;
}

.contact-form .form-control {
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 14px;
  background: var(--bg);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  outline: none;
}

.contact-form .btn-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.contact-form .btn-submit:hover {
  background: #d94e1e;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(242,107,58,0.3);
}

/* ======== 页脚 ======== */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}

.footer-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

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

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 320px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

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

.footer-links a,
.footer-contact li {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links a i {
  font-size: 11px;
  margin-right: 6px;
  color: var(--primary);
}

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

.footer-contact li i {
  color: var(--primary);
  margin-right: 8px;
  width: 18px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  margin-top: 48px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

@media (max-width: 767.98px) {
  .site-footer {
    padding-top: 48px;
  }
  .footer-bottom {
    margin-top: 32px;
  }
}

/* ======== 通用按钮 ======== */
.btn-main {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.btn-main:hover {
  background: #e0551f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242,107,58,0.3);
  color: #fff;
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-btn);
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

/* 查看更多 */
.view-more-wrap {
  text-align: center;
  margin-top: 44px;
}

.btn-view-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-btn);
  padding: 12px 32px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

.section-pad {
  padding: 80px 0;
}

@media (max-width: 767.98px) {
  .section-pad {
    padding: 52px 0;
  }
}

/* 卡片图片兜底 */
.listed-card .card-img-side.feature-1 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-2.png');
}
.listed-card .card-img-side.feature-2 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-3.webp');
}
.listed-card .card-img-side.feature-3 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-5.png');
}
.listed-card .card-img-side.feature-4 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-6.png');
}
.listed-card .card-img-side.feature-5 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-8.png');
}
.listed-card .card-img-side.feature-6 {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.3), rgba(18,58,92,0.1)), url('/assets/images/coverpic/cover-9.png');
}

.feature-banner .feature-img.feat-bg {
  background-image: linear-gradient(135deg, rgba(18,58,92,0.2), rgba(18,58,92,0.5)), url('/assets/images/coverpic/cover-1.webp');
}

/* roulang page: category2 */
:root {
      --primary: #123A5C;
      --primary-light: #E9F1F7;
      --accent: #F26B3A;
      --info: #00A89D;
      --bg: #FFFFFF;
      --bg-subtle: #F5F9FC;
      --text-main: #1A2A3A;
      --text-secondary: #5A6B7A;
      --border: #E1E8EE;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 8px 24px rgba(18, 58, 92, 0.08);
      --shadow-hover: 0 14px 36px rgba(18, 58, 92, 0.14);
      --transition-base: all 0.3s ease;
    }

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

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

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--text-main);
      background: var(--bg);
      overflow-x: hidden;
    }

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

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

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

    .container {
      max-width: 1200px;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-pad {
      padding: 80px 0;
    }

    .section-pad-sm {
      padding: 56px 0;
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.97);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(8px);
    }

    .navbar-custom {
      padding-top: 16px;
      padding-bottom: 16px;
    }

    .navbar-brand {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      letter-spacing: 0.5px;
    }

    .navbar-brand i {
      font-size: 26px;
      color: var(--accent);
      background: rgba(242, 107, 58, 0.12);
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-pill);
    }

    .navbar-brand:hover {
      color: var(--primary);
    }

    .navbar-custom .nav-link {
      font-size: 16px;
      font-weight: 500;
      color: var(--text-main);
      padding: 10px 18px !important;
      position: relative;
      letter-spacing: 0.3px;
      white-space: nowrap;
    }

    .navbar-custom .nav-link::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 4px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

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

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

    .navbar-custom .nav-link.active {
      color: var(--primary);
      font-weight: 700;
    }

    .navbar-custom .nav-link.active::before {
      content: "";
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 2px;
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: var(--radius-pill);
    }

    .navbar-custom .navbar-toggler {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 6px 10px;
    }

    .navbar-custom .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(18, 58, 92, 0.12);
    }

    .navbar-custom .navbar-toggler-icon {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23123A5C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    /* ===== Hero ===== */
    .hero-sport {
      position: relative;
      background: linear-gradient(135deg, rgba(18, 58, 92, 0.92), rgba(18, 58, 92, 0.65)),
        url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
      min-height: 480px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
      padding: 80px 0;
    }

    .hero-sport h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: 2px;
      text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    }

    .hero-sport .hero-lead {
      font-size: 20px;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.88);
      max-width: 640px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 28px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-btn);
      border: 0;
      transition: var(--transition-base);
      cursor: pointer;
      line-height: 1;
    }

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

    .btn-accent:hover {
      background: #e05523;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(242, 107, 58, 0.35);
    }

    .btn-outline-light {
      background: transparent;
      border: 2px solid rgba(255, 255, 255, 0.75);
      color: #fff;
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #fff;
      color: #fff;
      transform: translateY(-2px);
    }

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

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

    .btn-lg {
      height: 52px;
      padding: 0 36px;
      font-size: 16px;
    }

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

    /* ===== Hero 信息条 ===== */
    .hero-strip {
      border-top: 1px solid rgba(255, 255, 255, 0.25);
      margin-top: 48px;
      padding-top: 28px;
      display: flex;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }

    .hero-strip span {
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.9);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

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

    /* ===== 导语 ===== */
    .section-intro {
      background: var(--bg);
      padding: 48px 0 24px;
    }

    .section-intro p {
      font-size: 17px;
      line-height: 1.9;
      text-align: center;
      color: var(--text-secondary);
      max-width: 860px;
      margin: 0 auto;
    }

    /* ===== Section 基础 ===== */
    .section-head {
      margin-bottom: 48px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
      letter-spacing: 1px;
      line-height: 1.3;
    }

    .section-head p {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 640px;
      margin: 0 auto;
    }

    .section-badge {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    /* ===== 专题大图卡 ===== */
    .section-featured {
      background: var(--bg-subtle);
      padding: 80px 0;
    }

    .featured-card {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      height: 460px;
    }

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

    .featured-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(18, 58, 92, 0.9) 0%, rgba(18, 58, 92, 0.45) 70%, rgba(18, 58, 92, 0.15) 100%);
      display: flex;
      align-items: center;
    }

    .featured-content {
      max-width: 520px;
      padding: 0 56px;
      color: #fff;
    }

    .featured-content .section-badge {
      background: rgba(255, 255, 255, 0.18);
      color: #fff;
    }

    .featured-content h2 {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 18px;
    }

    .featured-content p {
      font-size: 16px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 28px;
    }

    .featured-content .btn {
      background: var(--accent);
      color: #fff;
      border: 0;
    }

    .featured-content .btn:hover {
      background: #e05523;
      transform: translateY(-2px);
    }

    /* ===== 服务特色 ===== */
    .section-features {
      background: var(--bg);
      padding: 80px 0;
    }

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

    .feature-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: #C8D6E4;
      transform: translateY(-4px);
    }

    .feature-card-lg .feature-card-media {
      height: 260px;
      overflow: hidden;
    }

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

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

    .feature-card-sm .feature-card-media {
      height: 180px;
      overflow: hidden;
    }

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

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

    .feature-card-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .feature-card-body .card-tag {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      display: inline-block;
      align-self: flex-start;
      margin-bottom: 14px;
    }

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

    .feature-card-body p {
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.75;
      margin-bottom: 18px;
      flex: 1;
    }

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

    .feature-card-body .card-link i {
      transition: transform 0.3s ease;
      font-size: 13px;
    }

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

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

    .view-more-wrap {
      text-align: center;
      margin-top: 48px;
    }

    .view-more-wrap .btn {
      height: 50px;
      padding: 0 36px;
    }

    /* ===== 适用场景 ===== */
    .section-scenario {
      background: var(--bg-subtle);
      padding: 80px 0;
    }

    .scenario-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 36px 28px;
      text-align: center;
      height: 100%;
      transition: var(--transition-base);
      box-shadow: 0 4px 16px rgba(18, 58, 92, 0.04);
    }

    .scenario-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: #C8D6E4;
      transform: translateY(-4px);
    }

    .scenario-icon {
      width: 68px;
      height: 68px;
      margin: 0 auto 20px;
      background: var(--primary-light);
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .scenario-icon i {
      font-size: 28px;
      color: var(--primary);
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

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

    .scenario-card .icon-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--info);
      margin: 18px auto 0;
    }

    /* ===== 服务流程 ===== */
    .section-process {
      background: var(--bg);
      padding: 80px 0;
    }

    .process-wrapper {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
    }

    .process-wrapper::before {
      content: "";
      position: absolute;
      top: 46px;
      left: 12.5%;
      right: 12.5%;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--primary-light));
      border-radius: 2px;
    }

    .process-step {
      position: relative;
      text-align: center;
      padding-top: 0;
      z-index: 1;
    }

    .step-num {
      width: 88px;
      height: 88px;
      margin: 0 auto 20px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      font-weight: 800;
      box-shadow: 0 8px 24px rgba(18, 58, 92, 0.25);
      border: 4px solid var(--bg);
      transition: var(--transition-base);
    }

    .process-step:hover .step-num {
      background: var(--accent);
      box-shadow: 0 12px 32px rgba(242, 107, 58, 0.3);
      transform: scale(1.05);
    }

    .process-step h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
      max-width: 220px;
      margin: 0 auto;
    }

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

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

    .accordion-item {
      border: 1px solid var(--border) !important;
      border-radius: var(--radius-card) !important;
      background: var(--bg);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(18, 58, 92, 0.03);
      transition: var(--transition-base);
    }

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

    .accordion-item:hover {
      border-color: #C8D6E4;
    }

    .accordion-button {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      padding: 20px 24px;
      background: var(--bg);
      border: 0;
      box-shadow: none !important;
      transition: var(--transition-base);
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: var(--primary-light);
    }

    .accordion-button::after {
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      content: "\f067";
      background: none;
      width: auto;
      height: auto;
      font-size: 16px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .accordion-button:not(.collapsed)::after {
      content: "\f068";
      transform: rotate(0deg);
      color: var(--primary);
    }

    .accordion-body {
      padding: 18px 24px 24px;
      font-size: 15px;
      color: var(--text-secondary);
      line-height: 1.8;
      border-top: 1px solid var(--border);
      background: var(--bg);
    }

    /* ===== CTA ===== */
    .section-cta {
      padding: 80px 0;
      background: var(--primary);
      position: relative;
      overflow: hidden;
    }

    .section-cta::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -10%;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
    }

    .section-cta::after {
      content: "";
      position: absolute;
      bottom: -60%;
      left: -5%;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(242, 107, 58, 0.08);
    }

    .cta-box {
      position: relative;
      z-index: 1;
      text-align: center;
      color: #fff;
      max-width: 640px;
      margin: 0 auto;
    }

    .cta-box h2 {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 14px;
    }

    .cta-box p {
      font-size: 17px;
      line-height: 1.75;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 30px;
    }

    .cta-box .btn-accent {
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--bg);
      border-top: 1px solid var(--border);
      padding: 64px 0 0;
    }

    .site-footer .footer-brand {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .site-footer .footer-brand i {
      font-size: 26px;
      color: var(--accent);
      background: rgba(242, 107, 58, 0.12);
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-pill);
    }

    .footer-desc {
      font-size: 15px;
      line-height: 1.8;
      color: var(--text-secondary);
      max-width: 340px;
      margin-bottom: 0;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

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

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

    .footer-links a {
      font-size: 14px;
      color: var(--text-secondary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition-base);
    }

    .footer-links a i {
      font-size: 11px;
      color: var(--primary);
    }

    .footer-links a:hover {
      color: var(--accent);
      padding-left: 3px;
    }

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

    .footer-contact li {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-contact i {
      color: var(--primary);
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid var(--border);
      margin-top: 48px;
      padding: 20px 0;
      text-align: center;
    }

    .footer-bottom p {
      font-size: 14px;
      color: var(--text-secondary);
      margin: 0;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 991px) {
      .section-pad,
      .section-featured,
      .section-features,
      .section-scenario,
      .section-process,
      .section-faq,
      .section-cta {
        padding: 56px 0;
      }

      .hero-sport {
        min-height: 420px;
        padding: 60px 0;
      }

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

      .hero-sport .hero-lead {
        font-size: 17px;
      }

      .navbar-custom .nav-link {
        font-size: 15px;
        padding: 12px 12px !important;
      }

      .navbar-custom .nav-link::after,
      .navbar-custom .nav-link.active::before {
        display: none;
      }

      .navbar-collapse {
        background: var(--bg);
        border-top: 1px solid var(--border);
        margin-top: 12px;
        padding-top: 8px;
        padding-bottom: 8px;
        border-radius: var(--radius-card);
      }

      .navbar-custom .nav-link {
        padding: 14px 16px !important;
        font-size: 16px;
        border-radius: 8px;
      }

      .navbar-custom .nav-link:hover {
        background: var(--primary-light);
      }

      .navbar-custom .nav-link.active {
        background: var(--primary-light);
      }

      .featured-card {
        height: 380px;
      }

      .featured-content {
        padding: 0 32px;
      }

      .featured-content h2 {
        font-size: 26px;
      }
    }

    @media (max-width: 768px) {
      .hero-sport {
        min-height: 380px;
        padding: 48px 0;
      }

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

      .hero-sport .hero-lead {
        font-size: 16px;
        padding: 0 20px;
      }

      .hero-strip {
        gap: 20px;
      }

      .hero-strip span {
        font-size: 14px;
      }

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

      .featured-card {
        height: auto;
        min-height: 420px;
      }

      .featured-overlay {
        background: linear-gradient(180deg, rgba(18, 58, 92, 0.4) 0%, rgba(18, 58, 92, 0.92) 100%);
        align-items: flex-end;
      }

      .featured-content {
        padding: 36px 24px;
      }

      .featured-content h2 {
        font-size: 24px;
      }

      .feature-card-lg .feature-card-media {
        height: 220px;
      }

      .feature-card-sm .feature-card-media {
        height: 200px;
      }

      .feature-card-body {
        padding: 22px 20px;
      }

      .scenario-card {
        padding: 28px 20px;
      }

      .process-wrapper::before {
        display: none;
      }

      .process-step {
        margin-bottom: 32px;
      }

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

      .cta-box p {
        font-size: 15px;
      }

      .section-intro p {
        font-size: 15px;
        padding: 0 16px;
      }
    }

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

      .hero-sport {
        min-height: 340px;
        padding: 40px 0;
      }

      .hero-sport h1 {
        font-size: 28px;
        letter-spacing: 1px;
      }

      .hero-sport .hero-lead {
        font-size: 15px;
      }

      .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        padding: 0 20px;
      }

      .btn {
        width: 100%;
      }

      .hero-strip {
        flex-direction: column;
        gap: 10px;
      }

      .featured-card {
        min-height: 400px;
      }

      .featured-content h2 {
        font-size: 22px;
      }

      .featured-content p {
        font-size: 14px;
      }

      .section-head {
        margin-bottom: 32px;
      }

      .btn-lg {
        height: 48px;
        padding: 0 24px;
        font-size: 15px;
      }

      .footer-brand {
        font-size: 20px;
      }
    }

/* roulang page: article */
:root {
  --primary: #123A5C;
  --primary-light: #E9F1F7;
  --primary-dark: #0D2A42;
  --accent: #F26B3A;
  --accent-dark: #D95523;
  --info: #00A89D;
  --bg: #FFFFFF;
  --bg-subtle: #F5F9FC;
  --text-main: #1A2A3A;
  --text-secondary: #5A6B7A;
  --border: #E1E8EE;
  --border-dark: #C8D6E4;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 24px rgba(18, 58, 92, 0.08);
  --shadow-hover: 0 14px 36px rgba(18, 58, 92, 0.14);
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-main);
  background-color: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}
a { color: var(--primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }

.container {
  max-width: 1200px;
  width: 100%;
  padding-right: 24px;
  padding-left: 24px;
  margin-right: auto;
  margin-left: auto;
}
@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1200px; } }
@media (min-width: 1400px) { .container { max-width: 1200px; } }

.btn {
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(18, 58, 92, 0.25);
}
.btn:focus-visible,
.form-control:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(18, 58, 92, 0.15);
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.navbar-custom { padding: 0; }
.navbar-brand {
  display: inline-flex;
  align-items: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary) !important;
  letter-spacing: 0.02em;
}
.navbar-brand i {
  color: var(--accent);
  font-size: 20px;
  margin-right: 8px;
}
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
  position: relative;
  color: var(--text-main);
  font-weight: 500;
  font-size: 15px;
  padding: 10px 18px !important;
  letter-spacing: 0.04em;
  transition: color 0.3s ease, background 0.3s ease;
}
.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 18px;
  right: auto;
  bottom: 4px;
  width: 0;
  height: 1px;
  background: var(--primary);
  transition: width 0.3s ease;
}
.navbar-nav .nav-link:hover { color: var(--primary); }
.navbar-nav .nav-link:hover::after { width: calc(100% - 36px); }
.navbar-nav .nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.navbar-nav .nav-link.active::before {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 4px;
  border-radius: 2px;
  background: var(--primary);
}
.navbar-toggler {
  border: none;
  padding: 6px 10px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(18, 58, 92, 0.15);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(18,58,92,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.article-hero {
  background: linear-gradient(135deg, rgba(18, 58, 92, 0.95), rgba(13, 42, 66, 0.88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 72px 0 64px;
  color: #fff;
  position: relative;
}
.breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}
.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .sep { color: rgba(255, 255, 255, 0.4); }
.breadcrumb-nav .current {
  color: #fff;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
  max-width: 860px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i { color: var(--accent); }
.meta-item + .meta-item::before {
  content: '·';
  margin: 0 4px;
  color: rgba(255, 255, 255, 0.5);
}
.article-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.article-main {
  padding: 64px 0 80px;
  background: var(--bg);
}
.article-content-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  margin: 2em 0 0.8em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--border);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 1.8em 0 0.6em;
}
.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 1.5em 0 0.5em;
}
.article-body p {
  margin: 0 0 1.5em;
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 0 0 1.5em;
  color: var(--text-secondary);
}
.article-body img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 24px 0;
}
.article-body ul,
.article-body ol {
  padding-left: 1.4em;
  margin: 0 0 1.5em;
}
.article-body li {
  margin-bottom: 0.4em;
}
.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover {
  color: var(--accent-dark);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
}
.article-body table th {
  background: var(--primary-light);
  font-weight: 600;
  color: var(--primary);
}
.article-body code {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 14px;
}

.post-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.btn-pagination {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}
.btn-pagination:hover {
  background: var(--primary-light);
  border-color: var(--border-dark);
  color: var(--primary);
  transform: translateY(-2px);
}

.article-empty {
  text-align: center;
  padding: 72px 24px;
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius);
  background: var(--bg-subtle);
}
.article-empty i {
  font-size: 48px;
  color: var(--border-dark);
  display: block;
  margin-bottom: 18px;
}
.article-empty h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.article-empty p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.related-section {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(242, 107, 58, 0.1);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0;
}
.related-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-card .card-img {
  height: 190px;
  overflow: hidden;
  display: block;
  background: var(--primary-light);
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .card-img img {
  transform: scale(1.05);
}
.related-card .card-body {
  padding: 22px 22px 24px;
}
.badge-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.related-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.related-card h3 a { color: inherit; }
.related-card h3 a:hover { color: var(--primary); }
.related-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.related-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}
.related-card .card-link i {
  transition: transform 0.3s ease;
}
.related-card .card-link:hover i {
  transform: translateX(4px);
}
.article-back {
  text-align: center;
  margin-top: 40px;
}

.cta-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background: rgba(242, 107, 58, 0.15);
  border-radius: 50%;
}
.cta-box {
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 1;
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
}
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  padding: 14px 36px;
  font-weight: 700;
  font-size: 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(242, 107, 58, 0.4);
}

.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.82);
  padding: 64px 0 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand i {
  color: var(--accent);
  font-size: 20px;
  margin-right: 8px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}
.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-links a i {
  font-size: 10px;
  color: var(--accent);
  margin-right: 6px;
}
.footer-contact li i {
  color: var(--accent);
  margin-right: 8px;
  width: 16px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  margin-top: 48px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom p { margin: 0; }

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: 14px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 10px 14px;
  }
  .navbar-nav .nav-link {
    padding: 12px 16px !important;
    border-radius: var(--radius-sm);
  }
  .navbar-nav .nav-link::after,
  .navbar-nav .nav-link.active::before {
    display: none;
  }
  .navbar-nav .nav-link:hover {
    background: var(--primary-light);
  }
  .navbar-nav .nav-link.active {
    background: var(--primary-light);
  }
}
@media (max-width: 767.98px) {
  .article-hero { padding: 48px 0; }
  .article-title { font-size: 28px; }
  .article-main { padding: 48px 0 56px; }
  .related-section { padding: 56px 0; }
  .cta-section { padding: 48px 0; }
  .footer-bottom { margin-top: 32px; }
  .section-head { margin-bottom: 36px; }
}
@media (max-width: 575.98px) {
  .article-title { font-size: 24px; }
  .breadcrumb-nav { font-size: 12px; }
  .section-head h2 { font-size: 26px; }
  .post-pagination { flex-direction: column; }
  .btn-pagination { width: 100%; justify-content: center; }
  .article-meta { font-size: 13px; }
}

/* roulang page: category3 */
:root {
  --primary: #123A5C;
  --primary-dark: #0D2C48;
  --primary-light: #E9F1F7;
  --accent: #F26B3A;
  --accent-dark: #D9582A;
  --info: #00A89D;
  --bg: #FFFFFF;
  --bg-subtle: #F5F9FC;
  --text-main: #1A2A3A;
  --text-secondary: #5A6B7A;
  --border: #E1E8EE;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 8px 24px rgba(18, 58, 92, 0.08);
  --shadow-lg: 0 14px 36px rgba(18, 58, 92, 0.14);
  --container-w: 1200px;
  --space-y: 80px;
  --space-y-sm: 48px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  margin: 0;
}
a { color: var(--primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.3; color: var(--text-main); margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.container { max-width: var(--container-w); }

/* ===== Header & Nav ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  box-shadow: 0 2px 12px rgba(18, 58, 92, 0.04);
}
.navbar-custom { padding: 0; }
.navbar-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary) !important;
  letter-spacing: .5px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.navbar-brand i { color: var(--accent); font-size: 24px; }
.navbar-custom .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 20px !important;
  position: relative;
  transition: color .25s;
}
.navbar-custom .nav-link:hover { color: var(--primary); }
.navbar-custom .nav-link::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  transition: right .3s ease;
}
.navbar-custom .nav-link:hover::after { right: 20px; }
.navbar-custom .nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.navbar-custom .nav-link.active::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: -6px;
  height: 4px;
  border-radius: 2px;
  background: var(--primary);
}

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(120deg, rgba(18, 58, 92, .93) 0%, rgba(18, 58, 92, .82) 48%, rgba(18, 58, 92, .58) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 88px 0 76px;
  color: #fff;
  position: relative;
}
.page-hero-inner { max-width: 720px; }
.page-hero h1 {
  color: #fff;
  font-size: 46px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.page-hero .lead-line {
  font-size: 17px;
  color: rgba(255, 255, 255, .88);
  line-height: 1.8;
  margin-bottom: 6px;
}
.page-hero .lead-line + .lead-line { margin-top: 4px; }
.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: #fff;
  margin-bottom: 24px;
}

/* ===== Feature Banner ===== */
.feature-banner-wrap { margin-top: -36px; position: relative; z-index: 2; }
.feature-banner {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 380px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.feature-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-banner-content {
  position: relative;
  z-index: 1;
  padding: 56px;
  width: 100%;
  color: #fff;
  background: linear-gradient(90deg, rgba(18, 58, 92, .92) 0%, rgba(18, 58, 92, .55) 62%, rgba(18, 58, 92, .12) 100%);
}
.feature-banner-content .badge-tag {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 16px;
}
.feature-banner-content h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 14px;
}
.feature-banner-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, .85);
  max-width: 520px;
  line-height: 1.8;
}

/* ===== Section Common ===== */
.section-block { padding: var(--space-y) 0; }
.section-block-alt { background: var(--bg-subtle); }
.section-head { margin-bottom: 44px; }
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 560px;
}

/* ===== Service Card List ===== */
.service-card-row { margin-bottom: 36px; }
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .3s, transform .3s, border-color .3s;
  height: 100%;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: #C8D6E4;
}
.service-card-img { height: 100%; min-height: 250px; overflow: hidden; }
.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.service-card:hover .service-card-img img { transform: scale(1.03); }
.service-card-body { padding: 36px; display: flex; flex-direction: column; justify-content: center; min-height: 260px; }
.service-card-body .service-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
  width: fit-content;
}
.service-card-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}
.service-card-body p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.service-card-body .service-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card-body .service-link:hover { color: var(--accent); }
.more-link-box { text-align: center; margin-top: 16px; }
.more-link-box a {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  transition: all .3s;
}
.more-link-box a:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

/* ===== Steps ===== */
.steps-section { padding: var(--space-y) 0; background: var(--primary); color: #fff; }
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head p { color: rgba(255, 255, 255, .75); }
.steps-row { position: relative; display: flex; gap: 16px; margin-top: 20px; }
.steps-row::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(255, 255, 255, .4));
}
.step-item {
  flex: 1;
  text-align: center;
  padding: 32px 24px;
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(2px);
  transition: background .3s, transform .3s;
}
.step-item:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 18px;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.15);
}
.step-item h3 { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-item p { color: rgba(255, 255, 255, .8); font-size: 14px; line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { padding: var(--space-y) 0; }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, border-color .3s;
}
.faq-accordion .accordion-item:hover { border-color: #C8D6E4; box-shadow: var(--shadow-lg); }
.faq-accordion .accordion-button {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  background: #fff;
  padding: 20px 24px;
  border: none;
}
.faq-accordion .accordion-button::after {
  filter: hue-rotate(200deg);
}
.faq-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary);
  outline: 2px solid var(--primary-light);
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: inset 0 -1px 0 rgba(18, 58, 92, 0.08);
}
.faq-accordion .accordion-body {
  background: #fff;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
  padding: 20px 24px 24px;
  border-top: 1px solid var(--border);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: var(--space-y) 0;
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-section h2 { color: #fff; font-size: 34px; font-weight: 800; margin-bottom: 14px; }
.cta-section p { color: rgba(255, 255, 255, .85); font-size: 16px; max-width: 520px; margin: 0 auto 32px; }
.btn-brand {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 40px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all .3s;
}
.btn-brand:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242, 107, 58, 0.35);
}
.btn-outline-white {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, .7);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  margin-left: 12px;
  transition: all .3s;
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-brand {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand i { color: var(--accent); font-size: 24px; }
.footer-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  margin-top: 12px;
  max-width: 300px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .25s;
}
.footer-links a i { font-size: 10px; color: var(--primary); opacity: .5; }
.footer-links a:hover { color: var(--primary); }
.footer-contact li {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact li i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  margin-top: 48px;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .navbar-custom .nav-link { padding: 14px 0 !important; }
  .navbar-collapse {
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 14px;
  }
  .navbar-custom .nav-link::after { top: auto; bottom: auto; }
  .navbar-custom .nav-link.active::before { display: none; }
  .navbar-custom .nav-link:hover::after { display: none; }
  .page-hero { padding: 64px 0 56px; }
  .page-hero h1 { font-size: 36px; }
  .feature-banner { min-height: 300px; }
  .feature-banner-content { padding: 36px; }
  .feature-banner-content h2 { font-size: 24px; }
  .service-card-body { padding: 24px; }
  .steps-row { flex-direction: column; gap: 16px; }
  .steps-row::before { display: none; }
  .cta-section h2 { font-size: 26px; }
}
@media (max-width: 767px) {
  .section-block { padding: var(--space-y-sm) 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero { padding: 52px 0 60px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero .lead-line { font-size: 15px; }
  .feature-banner { min-height: 260px; }
  .feature-banner-content { padding: 24px; }
  .feature-banner-content p { font-size: 14px; }
  .service-card-body { padding: 20px; min-height: 0; }
  .service-card-body h3 { font-size: 20px; }
  .service-card-img { min-height: 200px; max-height: 240px; }
  .btn-brand, .btn-outline-white { display: block; width: 100%; margin: 8px 0; }
  .site-footer { padding-top: 48px; }
}