/* roulang page: index */
:root {
  --primary: #145DA0;
  --primary-dark: #0E4A82;
  --primary-light: #55A9E0;
  --accent: #F4A62A;
  --accent-dark: #D88F1E;
  --bg: #F5F8FC;
  --white: #FFFFFF;
  --text: #1B2A3A;
  --text-light: #5C7186;
  --border: #DCE7F2;
  --dark: #122A40;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16,40,73,.06), 0 8px 24px rgba(16,40,73,.08);
  --shadow-hover: 0 4px 8px rgba(16,40,73,.08), 0 16px 32px rgba(16,40,73,.14);
  --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --transition: all .25s ease;
}

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

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

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4 {
  line-height: 1.3;
  color: var(--text);
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 639px) {
  .container {
    padding: 0 20px;
  }
}

.section {
  padding: 100px 0;
}

@media (max-width: 639px) {
  .section {
    padding: 48px 0;
  }
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: clamp(22px, 3.2vw, 34px);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.6;
}

/* ===== Header / Nav ===== */
.site-header {
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  margin-right: auto;
  flex-shrink: 0;
}

.logo i {
  color: var(--primary);
  font-size: 24px;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-chip:hover {
  border-color: var(--primary);
  background: #EAF1F9;
  color: var(--primary);
}

.nav-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.header-cta {
  flex-shrink: 0;
  margin-left: auto;
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    padding-top: 6px;
    padding-bottom: 2px;
  }

  .header-cta {
    margin-left: 0;
  }

  .logo {
    font-size: 17px;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  white-space: nowrap;
}

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

.btn-lg {
  height: 52px;
  padding: 0 34px;
  font-size: 16px;
}

.btn-primary {
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(20,93,160,.28);
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 16px rgba(20,93,160,.34);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(20,93,160,.24);
}

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

.btn-outline:hover {
  background: #EAF1F9;
  border-color: var(--primary-dark);
  color: var(--primary-dark) !important;
}

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

.btn-accent {
  background: var(--accent);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(244,166,42,.35);
}

.btn-accent:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 18px rgba(244,166,42,.42);
  transform: translateY(-2px);
}

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

/* ===== Hero ===== */
.hero {
  padding: 84px 0 96px;
  background-color: var(--bg);
  background-image: linear-gradient(rgba(20,93,160,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,93,160,.04) 1px, transparent 1px);
  background-size: 36px 36px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 2;
}

.hero-content {
  flex: 1.1;
}

.hero-image {
  flex: 1;
  position: relative;
}

.hero-image img {
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(16,40,73,.16);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: #EAF1F9;
  border: 1px solid #C6DAED;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}

.hero-badge i {
  font-size: 14px;
}

.hero h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.mini-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 13px;
  font-weight: 500;
}

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

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

@media (max-width: 1024px) {
  .hero {
    padding: 56px 0 64px;
  }

  .hero-inner {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column;
    gap: 36px;
  }

  .hero-image img {
    height: 260px;
  }
}

@media (max-width: 639px) {
  .hero {
    padding: 44px 0 48px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

/* ===== Feature Cards ===== */
.feature-section {
  background: var(--white);
}

.feature-card-wrap {
  margin-bottom: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  transition: var(--transition);
}

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

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

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #EAF1F9;
  color: var(--primary);
  border-radius: 12px;
  font-size: 22px;
  margin-bottom: 18px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 0;
}

@media (max-width: 1024px) and (min-width: 640px) {
  .feature-card-wrap:nth-child(even) {
    margin-top: 24px;
  }
}

@media (max-width: 639px) {
  .feature-card {
    padding: 22px 20px;
  }
}

/* ===== Scene Tabs ===== */
.scene-section {
  background: var(--bg);
}

.tabs-scene {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  border: none;
  overflow-x: auto;
  scrollbar-width: none;
  flex-wrap: nowrap;
  padding-bottom: 4px;
}

.tabs-scene::-webkit-scrollbar {
  display: none;
}

.tabs-scene .tabs-title {
  float: none;
}

.tabs-scene .tabs-title > a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-light);
  border-radius: 999px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.tabs-scene .tabs-title > a:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.tabs-scene .tabs-title.is-active > a {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.scene-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.scene-panel .grid-x {
  align-items: stretch;
}

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

.scene-text h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.scene-text > p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 20px;
}

.scene-points {
  margin-top: 4px;
}

.scene-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  color: var(--text);
  font-size: 15px;
}

.scene-points li i {
  color: var(--primary);
  margin-top: 4px;
  font-size: 14px;
}

.scene-img {
  min-height: 320px;
}

.scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

@media (max-width: 768px) {
  .scene-text {
    padding: 28px 24px;
  }

  .scene-text h3 {
    font-size: 20px;
  }

  .scene-img img {
    min-height: 220px;
  }
}

/* ===== Success Cases ===== */
.cases-section {
  background: var(--white);
}

.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  position: relative;
  transition: var(--transition);
  height: 100%;
}

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

.case-corner {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.case-number {
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 10px;
  font-family: Inter, var(--font);
}

.case-number span {
  font-size: 18px;
  font-weight: 600;
  margin-left: 4px;
  color: var(--text-light);
}

.case-card h4 {
  font-size: 17px;
  margin-bottom: 10px;
}

.case-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== Pricing ===== */
.pricing-section {
  background: var(--bg);
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.pricing-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(20,93,160,.14);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(244,166,42,.35);
}

.pricing-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 20px;
}

.pricing-price small {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
}

.pricing-list {
  margin-bottom: 28px;
  flex: 1;
}

.pricing-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.pricing-list li i {
  color: var(--primary);
  margin-top: 3px;
  font-size: 14px;
}

.pricing-list li.disabled {
  color: #A0B3C8;
}

.pricing-list li.disabled i {
  color: #B7C9DB;
}

.pricing-card .btn {
  width: 100%;
}

@media (max-width: 639px) {
  .pricing-card {
    padding: 28px 22px;
  }

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

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

.news-list {
  max-width: 960px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.news-cat {
  flex-shrink: 0;
  background: #EAF1F9;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.news-main {
  flex: 1;
  min-width: 0;
}

.news-main h4 {
  font-size: 16px;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-main h4 a {
  color: var(--text);
}

.news-main h4 a:hover {
  color: var(--primary);
}

.news-main p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  flex-shrink: 0;
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.news-date {
  font-size: 13px;
  color: var(--text-light);
  font-family: Inter, var(--font);
}

.news-link {
  font-size: 14px;
  font-weight: 500;
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
}

.news-header .section-header {
  margin-bottom: 0;
  text-align: left;
}

.news-view-all {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-light);
  background: var(--white);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  font-size: 15px;
}

.empty-state i {
  display: block;
  font-size: 36px;
  color: #B7C9DB;
  margin-bottom: 12px;
}

@media (max-width: 639px) {
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 12px;
  }

  .news-main h4 {
    white-space: normal;
    word-break: break-all;
  }

  .news-meta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
}

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

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

.accordion-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:hover {
  border-color: var(--primary-light);
}

.accordion-item.is-active {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow);
}

.accordion-title {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px !important;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  border-bottom: none;
  background: transparent;
  position: relative;
}

.accordion-title:hover {
  background: #F0F5FA;
  color: var(--text);
}

.accordion-title::after {
  content: '\002B';
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  transition: transform .3s;
  line-height: 1;
  flex-shrink: 0;
}

.accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  border-top: none !important;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--dark);
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 10px;
}

.cta-content p {
  color: #AFC1D4;
  font-size: 15px;
  margin-bottom: 0;
}

.cta-inner .btn {
  flex-shrink: 0;
}

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

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-content p {
    margin-bottom: 8px;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: #0E2338;
  color: #AFC1D4;
  padding: 72px 0 0;
}

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

.footer-brand .logo {
  color: #fff;
  font-size: 20px;
  margin-bottom: 16px;
  display: inline-flex;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: #8FA6BC;
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: #AFC1D4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  font-weight: 600;
}

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

.footer-col ul li a {
  color: #8FA6BC;
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary-light);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: #8FA6BC;
}

.footer-contact li i {
  color: var(--primary-light);
  margin-top: 3px;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: #758DA4;
}

.footer-bottom a {
  color: #AFC1D4;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 639px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer {
    padding-top: 48px;
  }
}

/* ===== Focus Accessibility ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* roulang page: article */
:root {
  --primary: #145DA0;
  --primary-light: #55A9E0;
  --accent: #F4A62A;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text: #1B2A3A;
  --text-light: #5C7186;
  --border: #DCE7F2;
  --dark: #122A40;
  --radius-card: 14px;
  --radius-btn: 8px;
  --shadow: 0 1px 2px rgba(16,40,73,.06), 0 8px 24px rgba(16,40,73,.08);
  --shadow-hover: 0 4px 12px rgba(16,40,73,.10), 0 16px 32px rgba(16,40,73,.12);
  --font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 639px) { .container { padding: 0 20px; } }
.section-pad { padding: 100px 0; }
@media (max-width: 639px) { .section-pad { padding: 48px 0; } }

/* Header */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(16,40,73,.04);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.logo i { font-size: 22px; color: var(--accent); }
.logo span { letter-spacing: .5px; }
.main-nav { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.main-nav::-webkit-scrollbar { display: none; }
.nav-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all .2s ease;
}
.nav-chip:hover { border-color: var(--primary-light); color: var(--primary); background: #F0F6FC; }
.nav-chip:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.nav-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-decoration: none;
}
.btn:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #1a6bb5; box-shadow: 0 4px 16px rgba(20,93,160,.25); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: #F0F6FC; border-color: var(--primary-light); color: var(--primary); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #e8961a; box-shadow: 0 4px 16px rgba(244,166,42,.35); color: #fff; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.header-cta { margin-left: auto; }

/* Breadcrumb */
.breadcrumb-wrap {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb-nav { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); flex-wrap: wrap; }
.breadcrumb-nav a { color: var(--text-light); }
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-nav i { font-size: 10px; color: #A8B8C9; }
.breadcrumb-nav .current { color: var(--text); font-weight: 500; max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Article Page */
.article-page { padding: 48px 0 80px; }
.article-main { max-width: 860px; margin: 0 auto; }
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 48px;
}
@media (max-width: 639px) { .article-card { padding: 28px 20px; } }
.article-cat-badge { margin-bottom: 16px; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-light);
}
.badge-primary { background: #F0F6FC; border-color: #BFD9EE; color: var(--primary); }
.badge-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.article-title {
  font-size: clamp(28px, 4.5vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}
.article-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--text-light); margin-bottom: 24px; }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { color: var(--primary-light); }
.article-summary {
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  border-left: 4px solid var(--primary-light);
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.article-divider { border: none; border-top: 1px solid var(--border); margin: 0 0 32px; }

/* Article Content */
.article-content { font-size: 16px; line-height: 1.8; color: var(--text); word-break: break-word; }
.article-content p { margin-bottom: 24px; }
.article-content h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.article-content h3 { font-size: 19px; font-weight: 600; color: var(--text); margin: 32px 0 12px; }
.article-content h4 { font-size: 17px; font-weight: 600; color: var(--text); margin: 24px 0 8px; }
.article-content ul, .article-content ol { margin: 0 0 24px 20px; }
.article-content li { margin-bottom: 8px; }
.article-content ul li { list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content img { border-radius: var(--radius-card); margin: 24px 0; box-shadow: var(--shadow); }
.article-content blockquote {
  border-left: 4px solid var(--primary-light);
  background: #F0F6FC;
  padding: 16px 24px;
  border-radius: 8px;
  margin: 24px 0;
  color: var(--text);
  font-style: normal;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-light); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}
.article-content table th { background: #F0F6FC; color: var(--text); font-weight: 600; padding: 12px 16px; text-align: left; border-bottom: 2px solid var(--border); }
.article-content table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.article-content table tr:last-child td { border-bottom: none; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}
.empty-state i { font-size: 48px; color: #C4D4E4; margin-bottom: 16px; display: block; }
.empty-state p { font-size: 16px; margin-bottom: 20px; }

/* Article Pagination */
.article-pager {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 639px) { .article-pager { grid-template-columns: 1fr; } }
.pager-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  transition: all .2s ease;
}
.pager-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-hover); transform: translateY(-2px); background: #fff; }
.pager-label { display: block; font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.pager-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.4; }
.pager-card:hover .pager-title { color: var(--primary); }

/* Related Section */
.related-section { padding: 64px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(22px, 3.2vw, 30px); font-weight: 700; color: var(--text); line-height: 1.3; }
.section-head .section-sub { font-size: 14px; color: var(--text-light); margin-top: 4px; }
.section-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { color: var(--primary-light); }
.section-link i { transition: transform .2s ease; }
.section-link:hover i { transform: translateX(4px); }
.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: var(--primary-light); }
.related-thumb { display: block; overflow: hidden; aspect-ratio: 16/10; background: var(--bg); }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.related-body h3 { font-size: 18px; font-weight: 600; line-height: 1.4; }
.related-body h3 a { color: var(--text); }
.related-body h3 a:hover { color: var(--primary); }
.related-body p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin-bottom: 0; flex: 1; }
.related-meta { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.related-meta i { color: var(--primary-light); font-size: 12px; }

/* CTA */
.article-cta-section { padding: 72px 0; }
.article-cta {
  background: var(--dark);
  border-radius: var(--radius-card);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
@media (max-width: 639px) { .article-cta { padding: 32px 24px; flex-direction: column; align-items: flex-start; } }
.article-cta h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: #fff; margin-bottom: 8px; line-height: 1.3; }
.article-cta p { font-size: 15px; color: rgba(255,255,255,.75); margin: 0; }
.article-cta .btn { flex-shrink: 0; }

/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,.8); padding: 64px 0 0; margin-top: 40px; }
.site-footer .container { padding-bottom: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 639px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand .logo { color: #fff; font-size: 20px; margin-bottom: 16px; }
.footer-brand .logo i { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.65); margin-bottom: 16px; max-width: 340px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: 16px;
  transition: all .2s ease;
}
.footer-social a:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,.7); font-size: 14px; }
.footer-col ul a:hover { color: var(--primary-light); }
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; color: rgba(255,255,255,.7); font-size: 14px; }
.footer-contact li i { color: var(--primary-light); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  text-align: center;
}
.footer-bottom a { color: rgba(255,255,255,.65); }
.footer-bottom a:hover { color: var(--primary-light); }

/* Focus visible accessibility */
a:focus-visible, button:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }

/* Responsive */
@media (max-width: 1024px) {
  .main-nav { justify-content: flex-start; }
  .header-inner { gap: 16px; }
}
@media (max-width: 767px) {
  .header-inner { height: auto; flex-wrap: wrap; padding: 14px 0; gap: 12px; }
  .header-cta { order: 3; margin-left: 0; }
  .main-nav { order: 4; flex-basis: 100%; justify-content: flex-start; }
  .logo { font-size: 18px; }
  .article-page { padding: 32px 0 48px; }
  .related-section { padding: 40px 0; }
  .article-cta-section { padding: 40px 0; }
}
@media (max-width: 520px) {
  .article-meta { gap: 12px; }
  .article-title { font-size: 26px; }
  .article-content { font-size: 15px; }
  .article-content table { font-size: 13px; }
}

/* roulang page: category1 */
:root {
  --primary: #145DA0;
  --primary-light: #55A9E0;
  --accent: #F4A62A;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text: #1B2A3A;
  --text-light: #5C7186;
  --border: #DCE7F2;
  --dark: #122A40;
  --radius: 14px;
  --radius-btn: 8px;
  --shadow: 0 1px 2px rgba(16,40,73,.06), 0 8px 24px rgba(16,40,73,.08);
  --shadow-hover: 0 4px 8px rgba(16,40,73,.08), 0 16px 32px rgba(16,40,73,.12);
  --transition: .25s ease;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 639px) {
  .container { padding: 0 20px; }
}

/* ===== 导航 ===== */
.site-header {
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}

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

.main-nav {
  display: flex;
  gap: 8px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
}

.main-nav::-webkit-scrollbar { display: none; }

.nav-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
}

.nav-chip:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(20,93,160,.08);
}

.nav-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(20,93,160,.2);
}

.header-cta {
  margin-left: auto;
  flex-shrink: 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.2;
}

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

.btn-primary:hover {
  background: #0e4d8a;
  box-shadow: 0 8px 20px rgba(20,93,160,.25);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(20,93,160,.08);
  box-shadow: 0 4px 12px rgba(20,93,160,.15);
}

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

.btn-accent:hover {
  box-shadow: 0 8px 20px rgba(244,166,42,.35);
  transform: translateY(-1px);
}

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

.btn-sm {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--text-light);
}

.breadcrumb a { color: var(--primary); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb .sep { margin: 0 10px; color: var(--border); }
.breadcrumb .current { color: var(--text-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; display: inline-block; vertical-align: bottom; }

/* ===== 分类页头 ===== */
.cat-hero {
  position: relative;
  padding: 80px 0 88px;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}

.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18,42,64,.94) 0%, rgba(18,42,64,.8) 45%, rgba(18,42,64,.35) 100%);
}

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

.cat-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .5px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.cat-hero h1 {
  color: #fff;
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 14px;
}

.cat-hero p {
  color: rgba(255,255,255,.88);
  font-size: 16px;
  max-width: 560px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
}

/* ===== 区块通用 ===== */
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text);
}

.section-header p {
  color: var(--text-light);
  font-size: 15px;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 概览区 ===== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.overview-content h2 {
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 20px;
}

.overview-content p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 15px;
}

.overview-content .btn { margin-top: 12px; }

.overview-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.overview-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 24px;
}

.overview-points span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(20,93,160,.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}

.overview-points i { font-size: 12px; }

/* ===== 核心模块卡 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.feature-card.large {
  min-height: 300px;
}

.feature-card.small {
  min-height: 230px;
  background: var(--card-bg);
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(20,93,160,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 18px;
}

.feature-card .card-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(20,93,160,.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

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

.feature-card ul {
  margin-top: 16px;
}

.feature-card ul li {
  position: relative;
  padding-left: 22px;
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 6px;
}

.feature-card ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--primary);
  font-size: 12px;
}

/* ===== 场景 tabs ===== */
.scene-tabs {
  border-bottom: none;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.scene-tabs .tabs-title { margin: 0; float: none; }

.scene-tabs .tabs-title a {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}

.scene-tabs .tabs-title a:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.scene-tabs .tabs-title.is-active a {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(20,93,160,.2);
}

.scene-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.scene-panel .grid-x { align-items: center; }

.scene-panel img {
  border-radius: var(--radius);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
}

.scene-panel h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text);
}

.scene-panel p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 18px;
}

.scene-panel ul li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 10px;
}

.scene-panel ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--primary);
  font-size: 14px;
}

.tabs-content { border: none; background: transparent; }

/* ===== 相关阅读 ===== */
.read-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.read-card img {
  height: 180px;
  width: 100%;
  object-fit: cover;
}

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

.read-card-body .tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(20,93,160,.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.read-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.read-card-body p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 16px;
  flex: 1;
}

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

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

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

.faq-accordion { list-style: none; margin: 0; }

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

.faq-accordion .accordion-item.is-active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.faq-accordion .accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border-bottom: none;
  position: relative;
  transition: background var(--transition), color var(--transition);
}

.faq-accordion .accordion-title::before { display: none !important; }

.faq-accordion .accordion-title:hover {
  background: rgba(20,93,160,.04);
  color: var(--primary);
}

.faq-accordion .accordion-item.is-active .accordion-title {
  color: var(--primary);
}

.faq-accordion .accordion-title:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: -2px;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(20,93,160,.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .3s ease;
  margin-left: 16px;
}

.faq-accordion .accordion-item.is-active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-accordion .accordion-content {
  padding: 0 24px 24px;
  color: var(--text-light);
  font-size: 15px;
  background: transparent;
  border-bottom: none;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-banner {
  background: var(--dark);
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-inner h2 {
  color: #fff;
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 600;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255,255,255,.75);
  margin-top: 10px;
  font-size: 15px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.8);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 20px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: 15px;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-col a {
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255,255,255,.65);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

.footer-bottom a {
  color: rgba(255,255,255,.7);
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .overview-grid { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .read-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 639px) {
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }
  .header-inner { height: auto; padding: 14px 0 12px; gap: 12px; }
  .header-inner .logo { font-size: 17px; }
  .header-inner .logo i { font-size: 19px; }
  .header-cta { display: none; }
  .main-nav { order: 3; width: 100%; flex-wrap: nowrap; overflow-x: auto; margin-left: -4px; padding-left: 4px; }
  .nav-chip { padding: 7px 16px; font-size: 13px; }
  .overview-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 28px 24px; }
  .feature-card.large { min-height: 0; }
  .feature-card.small { min-height: 0; }
  .scene-tabs { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding-bottom: 6px; }
  .scene-tabs .tabs-title a { white-space: nowrap; }
  .scene-panel { padding: 24px; }
  .read-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { font-size: 12px; }
  .cat-hero { padding: 60px 0 64px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .breadcrumb .sep { margin: 0 6px; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .feature-card.small { min-height: 260px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
    :root {
      --primary: #145DA0;
      --primary-dark: #0E4C88;
      --primary-light: #E3F0FA;
      --secondary: #55A9E0;
      --accent: #F4A62A;
      --accent-dark: #E0951A;
      --bg: #F5F8FC;
      --card-bg: #FFFFFF;
      --text: #1B2A3A;
      --text-light: #5C7186;
      --border: #DCE7F2;
      --dark: #122A40;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 1px 2px rgba(16,40,73,.06), 0 8px 24px rgba(16,40,73,.08);
      --shadow-hover: 0 4px 8px rgba(16,40,73,.08), 0 16px 32px rgba(16,40,73,.12);
      --section-padding-desktop: 100px;
      --section-padding-mobile: 48px;
      --container-max: 1200px;
      --transition: .3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
      border-radius: var(--radius);
      object-fit: cover;
    }

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

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

    ul {
      list-style: none;
    }

    button {
      font-family: inherit;
      cursor: pointer;
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    /* ========== 导航 ========== */
    .site-header {
      background: rgba(255, 255, 255, .96);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(8px);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 14px;
      padding-bottom: 14px;
      flex-wrap: nowrap;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .logo i {
      color: var(--primary);
      font-size: 24px;
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      white-space: nowrap;
      flex: 1;
      justify-content: center;
    }

    .main-nav::-webkit-scrollbar {
      display: none;
    }

    .nav-chip {
      display: inline-flex;
      align-items: center;
      padding: 8px 18px;
      border-radius: 999px;
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
      font-size: 14px;
      font-weight: 500;
      transition: all var(--transition);
    }

    .nav-chip:hover {
      border-color: var(--secondary);
      color: var(--primary);
      background: var(--primary-light);
    }

    .nav-chip.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      font-weight: 600;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 22px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 600;
      border: none;
      transition: all var(--transition);
      letter-spacing: .5px;
    }

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

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      box-shadow: 0 6px 20px rgba(20, 93, 160, .3);
      transform: translateY(-2px);
    }

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

    .btn-outline {
      background: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }

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

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

    .btn-accent:hover {
      background: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(244, 166, 42, .3);
    }

    .btn-sm {
      height: 38px;
      padding: 0 16px;
      font-size: 13px;
    }

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

    /* ========== 面包屑 ========== */
    .breadcrumb {
      padding: 14px 0;
      font-size: 13px;
      color: var(--text-light);
    }

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

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

    .breadcrumb .sep {
      margin: 0 6px;
      color: var(--border);
    }

    .breadcrumb .current {
      color: var(--text);
      font-weight: 500;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* ========== 分类页 Hero ========== */
    .category-hero {
      background: linear-gradient(rgba(18, 42, 64, .65), rgba(18, 42, 64, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      padding: 90px 0 70px;
      color: #fff;
      position: relative;
    }

    .category-hero .breadcrumb a,
    .category-hero .breadcrumb .current {
      color: rgba(255, 255, 255, .7);
    }

    .category-hero .breadcrumb .sep {
      color: rgba(255, 255, 255, .35);
    }

    .category-hero h1 {
      font-size: clamp(30px, 4.5vw, 44px);
      font-weight: 700;
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: 1px;
    }

    .category-hero .hero-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, .85);
      max-width: 560px;
      margin-bottom: 24px;
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-chips .chip {
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .3);
      color: #fff;
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 13px;
    }

    /* ========== 通用板块标题 ========== */
    .section {
      padding: var(--section-padding-desktop) 0;
    }

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

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

    .section-head h2 {
      font-size: clamp(24px, 3.2vw, 34px);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 10px;
    }

    .section-head p {
      color: var(--text-light);
      font-size: 15px;
      max-width: 480px;
      margin: 0 auto;
    }

    /* ========== 时间轴 ========== */
    .timeline-section {
      position: relative;
    }

    .timeline {
      position: relative;
      padding: 20px 0 40px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border);
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      width: 50%;
      padding: 0 48px 48px 0;
      margin-bottom: 8px;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      top: 28px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      border: 3px solid #fff;
      box-shadow: 0 0 0 4px var(--primary-light);
      z-index: 2;
    }

    .timeline-item:nth-child(odd) {
      left: 0;
      text-align: right;
      padding-right: 56px;
      padding-left: 0;
    }

    .timeline-item:nth-child(odd)::before {
      right: -7px;
    }

    .timeline-item:nth-child(even) {
      left: 50%;
      padding-left: 56px;
      padding-right: 0;
    }

    .timeline-item:nth-child(even)::before {
      left: -7px;
    }

    .timeline-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 28px;
      border: 1px solid var(--border);
      transition: all var(--transition);
      display: inline-block;
      width: 100%;
      text-align: left;
    }

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

    .timeline-date {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .timeline-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .timeline-card p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
    }

    .timeline-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .timeline-tags .tag {
      font-size: 12px;
      padding: 3px 10px;
      border-radius: 999px;
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text-light);
    }

    /* ========== 赛事类型卡片 ========== */
    .event-type-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      padding: 32px 28px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      height: 100%;
      transition: all var(--transition);
      position: relative;
    }

    .event-type-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--secondary);
    }

    .event-type-card .icon {
      width: 56px;
      height: 56px;
      border-radius: 14px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 24px;
      margin-bottom: 18px;
    }

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

    .event-type-card p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .event-type-card .btn {
      margin-top: 4px;
    }

    .event-type-card .badge-recommend {
      position: absolute;
      top: -10px;
      right: 16px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      padding: 3px 12px;
      border-radius: 999px;
      font-weight: 600;
    }

    /* ========== 流程步骤 ========== */
    .steps-wrap {
      margin-top: 20px;
    }

    .step-item {
      text-align: center;
      padding: 24px 16px;
      position: relative;
    }

    .step-num {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: 0 4px 14px rgba(20, 93, 160, .25);
    }

    .step-item h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.5;
    }

    .step-item::after {
      content: '\f061';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      right: -14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--secondary);
      font-size: 16px;
      z-index: 2;
    }

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

    /* ========== 数据统计 ========== */
    .stats-section {
      background: var(--dark);
      color: #fff;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
    }

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

    .stat-num {
      font-size: 48px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.1;
      display: block;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, .75);
    }

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

    .accordion-item {
      background: var(--card-bg);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color var(--transition);
    }

    .accordion-item.is-active {
      border-color: var(--primary);
    }

    .accordion-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      transition: color var(--transition);
      background: transparent;
      border: none;
      text-align: left;
      width: 100%;
    }

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

    .accordion-title .acc-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform .3s;
      flex-shrink: 0;
      margin-left: 12px;
    }

    .accordion-item.is-active .accordion-title .acc-icon {
      transform: rotate(45deg);
    }

    .accordion-content {
      padding: 0 24px 20px;
      color: var(--text-light);
      font-size: 14px;
      line-height: 1.7;
      border-top: 1px solid var(--border);
      padding-top: 14px;
      display: none;
    }

    .accordion-item.is-active .accordion-content {
      display: block;
    }

    /* ========== CTA ========== */
    .cta-section {
      background: var(--dark);
      padding: 60px 0;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
    }

    .cta-inner h2 {
      font-size: clamp(20px, 2.6vw, 28px);
      color: #fff;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 6px;
    }

    .cta-inner p {
      color: rgba(255, 255, 255, .7);
      font-size: 14px;
    }

    .cta-inner .btn-accent {
      flex-shrink: 0;
      height: 48px;
      padding: 0 36px;
      font-size: 16px;
    }

    /* ========== 相关阅读 ========== */
    .related-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 24px;
      display: flex;
      gap: 16px;
      align-items: center;
      box-shadow: var(--shadow);
      transition: all var(--transition);
      height: 100%;
    }

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

    .related-card .icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }

    .related-card h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text);
    }

    .related-card p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, .75);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-brand .logo {
      color: #fff;
      font-size: 20px;
      margin-bottom: 14px;
    }

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

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: rgba(255, 255, 255, .55);
      max-width: 360px;
    }

    .footer-social {
      display: flex;
      gap: 12px;
      margin-top: 16px;
    }

    .footer-social a {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .08);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, .6);
      font-size: 16px;
      transition: all var(--transition);
    }

    .footer-social a:hover {
      background: var(--secondary);
      color: #fff;
    }

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

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

    .footer-col ul li a {
      color: rgba(255, 255, 255, .55);
      font-size: 14px;
      transition: color var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--secondary);
    }

    .footer-contact li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
      font-size: 13px;
      color: rgba(255, 255, 255, .55);
    }

    .footer-contact li i {
      color: var(--secondary);
      margin-top: 3px;
    }

    .footer-bottom {
      padding: 20px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, .35);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, .5);
    }

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

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .container {
        padding-left: 24px;
        padding-right: 24px;
      }

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

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

      .header-inner {
        flex-wrap: wrap;
        gap: 10px;
      }

      .header-cta {
        display: none;
      }

      .main-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        padding-top: 4px;
      }

      .timeline::before {
        left: 18px;
      }

      .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 48px !important;
        padding-right: 0 !important;
        text-align: left !important;
      }

      .timeline-item::before {
        left: 11px !important;
        right: auto !important;
      }

      .step-item::after {
        display: none;
      }

      .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .stat-num {
        font-size: 38px;
      }
    }

    @media (max-width: 639px) {
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .category-hero {
        padding: 60px 0 48px;
      }

      .cta-inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }

      .cta-inner .btn-accent {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .nav-chip {
        padding: 7px 12px;
        font-size: 13px;
      }

      .timeline-card {
        padding: 20px;
      }

      .timeline-item {
        padding-left: 42px !important;
      }

      .event-type-card {
        margin-bottom: 16px;
      }

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

      .section-head h2 {
        font-size: 22px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #145DA0;
            --primary-light: #55A9E0;
            --accent: #F4A62A;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text-main: #1B2A3A;
            --text-sub: #5C7186;
            --border: #DCE7F2;
            --dark: #122A40;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 2px rgba(16, 40, 73, .06), 0 8px 24px rgba(16, 40, 73, .08);
            --shadow-hover: 0 6px 16px rgba(16, 40, 73, .10), 0 18px 40px rgba(16, 40, 73, .14);
            --tr: .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 60;
            box-shadow: 0 1px 0 rgba(16, 40, 73, .05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .logo i {
            font-size: 22px;
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--tr);
            white-space: nowrap;
        }

        .nav-chip:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: #f0f7fd;
        }

        .nav-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

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

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

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all var(--tr);
            cursor: pointer;
            line-height: 1;
        }

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

        .btn-primary:hover {
            background: #1a6cb3;
            box-shadow: 0 8px 20px rgba(20, 93, 160, .25);
        }

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

        .btn-outline:hover {
            background: #eef5fb;
        }

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

        .btn-accent:hover {
            background: #e8991a;
            box-shadow: 0 8px 20px rgba(244, 166, 42, .3);
        }

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

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

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* ===== Section ===== */
        .section {
            padding: 72px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 46px;
        }

        .section-head h2 {
            font-size: clamp(22px, 3.2vw, 34px);
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 15px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 90px 0 110px;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 30, 50, .92), rgba(11, 30, 50, .65), rgba(11, 30, 50, .35));
        }

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

        .page-hero h1 {
            font-size: clamp(28px, 4.5vw, 44px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .page-hero p {
            font-size: 16px;
            max-width: 520px;
            color: rgba(255, 255, 255, .92);
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .75);
            font-size: 13px;
            margin-bottom: 18px;
        }

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

        .breadcrumb .sep {
            opacity: .55;
        }

        /* ===== Stats ===== */
        .stats-section {
            position: relative;
            z-index: 3;
        }

        .stats-bar {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 30px 20px;
            margin-top: -56px;
            position: relative;
        }

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

        .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* ===== Feature Card ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all var(--tr);
        }

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

        .card-media {
            height: 200px;
            overflow: hidden;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .card-body {
            padding: 26px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-tag {
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: #eef5fb;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: .3px;
        }

        .card-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }

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

        .card-body ul {
            margin: 0 0 20px;
        }

        .card-body ul li {
            position: relative;
            padding-left: 22px;
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 8px;
        }

        .card-body ul li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0;
            color: var(--primary);
            font-size: 13px;
        }

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

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

        .card-link i {
            transition: transform var(--tr);
        }

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

        /* ===== Split list panel ===== */
        .split-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .list-panel {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 30px;
            height: 100%;
        }

        .list-panel h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .list-panel h3 i {
            color: var(--primary);
            font-size: 20px;
        }

        .panel-list li {
            display: flex;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border);
        }

        .panel-list li:last-child {
            border-bottom: 0;
        }

        .step-num {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: var(--radius-pill);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .item-title {
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
        }

        .item-title a {
            transition: color var(--tr);
        }

        .item-title a:hover {
            color: var(--primary);
        }

        .item-desc {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 2px;
        }

        /* ===== Accordion ===== */
        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color var(--tr), box-shadow var(--tr);
        }

        .custom-accordion .accordion-item.is-active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }

        .custom-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            border: 0;
            line-height: 1.5;
            transition: color var(--tr);
        }

        .custom-accordion .accordion-title:hover {
            color: var(--primary);
        }

        .custom-accordion .accordion-title:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: -2px;
            border-radius: var(--radius-sm);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            transition: transform var(--tr), background var(--tr);
        }

        .custom-accordion .accordion-item.is-active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .custom-accordion .accordion-content {
            padding: 0 24px 22px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
            border: 0;
            background: transparent;
        }

        /* ===== Related card ===== */
        .rel-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 26px;
            display: block;
            height: 100%;
            transition: all var(--tr);
        }

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

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

        .rel-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #eef5fb;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
            transition: background var(--tr), color var(--tr);
        }

        .rel-card:hover .rel-icon {
            background: var(--primary);
            color: #fff;
        }

        .rel-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .rel-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding-top: 0;
        }

        .cta-banner {
            background: var(--dark);
            border-radius: var(--radius);
            padding: 48px 52px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            box-shadow: 0 20px 48px rgba(18, 42, 64, .22);
        }

        .cta-banner h2 {
            color: #fff;
            font-size: clamp(20px, 2.6vw, 28px);
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .78);
            padding: 60px 0 0;
            margin-top: 80px;
        }

        .site-footer .logo {
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 44px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            transition: all var(--tr);
        }

        .footer-social a:hover {
            background: var(--primary);
            transform: translateY(-2px);
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }

        .footer-col ul li a {
            transition: color var(--tr);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-contact li {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            line-height: 1.6;
        }

        .footer-contact li i {
            margin-top: 5px;
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
            transition: color var(--tr);
        }

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

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

            .card-media {
                height: 180px;
            }

            .cta-banner {
                padding: 40px 36px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 52px 0;
            }

            .container {
                padding: 0 20px;
            }

            .header-inner {
                flex-direction: column;
                align-items: stretch;
            }

            .logo {
                justify-content: center;
            }

            .main-nav {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                flex-wrap: nowrap;
                justify-content: flex-start;
                padding-bottom: 4px;
            }

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

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

            .page-hero {
                padding: 64px 0 100px;
            }

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

            .stats-bar {
                margin-top: -48px;
                padding: 20px 12px;
            }

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

            .split-section .list-panel {
                margin-bottom: 20px;
            }

            .cta-banner {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 52px 0 88px;
            }

            .card-media {
                height: 160px;
            }

            .list-panel {
                padding: 22px;
            }

            .rel-card {
                padding: 22px;
            }
        }