/* roulang page: index */
:root {
  --primary-500: #0E7CC7;
  --primary-700: #07539B;
  --secondary-300: #7BA6C9;
  --secondary-100: #E4EFF7;
  --accent-500: #E8832D;
  --accent-600: #C96A1E;
  --bg-page: #F5F9FC;
  --bg-card: #FFFFFF;
  --text-strong: #24323D;
  --text-body: #5B6B78;
  --text-muted: #8494A0;
  --border-light: #DCE9F2;
  --shadow-card: 0 8px 24px rgba(11,64,99,0.08);
  --shadow-hover: 0 14px 32px rgba(11,64,99,0.14);
  --radius-card: 12px;
  --radius-small: 8px;
  --radius-badge: 999px;
  --transition-base: 200ms ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Inter", Arial, sans-serif;
  --container-width: 1200px;
}

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

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

body {
  font-family: var(--font-stack);
  background-color: var(--bg-page);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-700);
}

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

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

.section {
  padding: 96px 0;
}

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

.text-strong {
  color: var(--text-strong);
}

.text-muted {
  color: var(--text-muted);
}

.text-center {
  text-align: center;
}

/* ===== Header / Navigation ===== */
.site-header {
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(11, 64, 99, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  flex-shrink: 0;
}

.logo span {
  color: var(--primary-500);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-nav > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: all var(--transition-base);
}

.main-nav > li > a:hover {
  color: var(--primary-500);
  background: var(--secondary-100);
}

.main-nav > li > a.active {
  color: var(--primary-500);
  background: var(--secondary-100);
  font-weight: 600;
}

.main-nav > li > a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary-500);
}

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

.nav-cta a {
  background: var(--accent-500);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius-small);
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 2px 8px rgba(232, 131, 45, 0.25);
}

.nav-cta a:hover {
  background: var(--accent-600);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(232, 131, 45, 0.3);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: var(--radius-small);
  cursor: pointer;
  color: var(--text-strong);
  font-size: 18px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-links a {
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
}

.header-links a:hover {
  color: var(--primary-500);
}

@media (max-width: 1023px) {
  .main-nav {
    gap: 4px;
  }
  .main-nav > li > a {
    padding: 8px 8px;
    font-size: 14px;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    box-shadow: 0 12px 30px rgba(11, 64, 99, 0.12);
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 280ms ease, opacity 200ms ease;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav > li {
    border-bottom: 1px solid var(--bg-page);
  }
  .main-nav > li:last-child {
    border-bottom: none;
  }
  .main-nav > li > a {
    padding: 14px 12px;
    font-size: 15px;
    width: 100%;
  }
  .main-nav > li > a.active::after {
    display: none;
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 12px;
  }
  .nav-cta a {
    width: 100%;
    text-align: center;
    justify-content: center;
    display: block;
  }
}

/* ===== Hero Section ===== */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #EAF3FA 0%, var(--bg-page) 100%);
  padding: 80px 0 72px;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 64px;
}

.hero-content {
  flex: 1 1 55%;
}

.hero-image {
  flex: 1 1 45%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 124, 199, 0.08);
  color: var(--primary-500);
  border: 1px solid rgba(14, 124, 199, 0.18);
  border-radius: var(--radius-badge);
  padding: 4px 14px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 20px;
}

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

.hero-title {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: normal;
  color: var(--primary-500);
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-small);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}

.btn:focus-visible {
  outline: 2px solid rgba(14, 124, 199, 0.5);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--accent-500);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232, 131, 45, 0.25);
}

.btn-accent:hover {
  background: var(--accent-600);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232, 131, 45, 0.3);
}

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

.btn-outline:hover {
  background: var(--secondary-100);
  border-color: var(--secondary-300);
  color: var(--primary-700);
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary-500);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-700);
  color: #fff;
  transform: translateY(-2px);
}

.hero-stats {
  margin-top: 56px;
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border-light);
  padding-top: 28px;
}

.stat-item {
  flex: 1;
  padding: 0 24px;
  border-right: 1px solid var(--border-light);
}

.stat-item:first-child {
  padding-left: 0;
}

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

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.3;
}

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

@media (max-width: 1023px) {
  .hero-container {
    gap: 36px;
  }
  .hero-title {
    font-size: 30px;
  }
  .stat-number {
    font-size: 22px;
  }
}

@media (max-width: 767px) {
  .hero-section {
    padding: 56px 0 48px;
  }
  .hero-container {
    flex-direction: column;
    gap: 40px;
  }
  .hero-content {
    flex: 1 1 auto;
    width: 100%;
  }
  .hero-image {
    flex: 1 1 auto;
    width: 100%;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .stat-item {
    padding: 12px 0;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    width: 100%;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
}

/* ===== Feature Directory Section ===== */
.directory-section {
  background: var(--bg-card);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-header-text h2 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.section-header-text p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 560px;
}

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

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

.directory-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #9CC6E3;
}

.directory-cover {
  height: 200px;
  background-color: var(--secondary-100);
  position: relative;
  overflow: hidden;
}

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

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

.directory-body {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.directory-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 2px 12px;
  border-radius: var(--radius-badge);
  font-size: 13px;
  font-weight: 500;
  background: var(--secondary-100);
  color: var(--primary-700);
}

.tag-orange {
  background: rgba(232, 131, 45, 0.12);
  color: var(--accent-600);
}

.directory-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 8px;
  line-height: 1.45;
}

.directory-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.directory-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-500);
  font-weight: 600;
  font-size: 14px;
  margin-top: auto;
}

.directory-link:hover {
  gap: 10px;
}

@media (max-width: 767px) {
  .directory-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .directory-cover {
    height: 160px;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 32px;
  }
}

/* ===== Selected Items ===== */
.selected-section {
  background: var(--bg-page);
}

.selected-list {
  display: flex;
  flex-direction: column;
}

.selected-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-base);
}

.selected-item:first-child {
  padding-top: 0;
}

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

.selected-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--secondary-100);
  line-height: 1;
  min-width: 72px;
  font-family: Inter, Arial, sans-serif;
  transition: color var(--transition-base);
}

.selected-item:hover .selected-number {
  color: var(--primary-500);
}

.selected-content {
  flex: 1;
}

.selected-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 6px;
}

.selected-content p {
  font-size: 15px;
  color: var(--text-body);
  max-width: 700px;
}

.selected-arrow {
  color: var(--primary-500);
  font-size: 18px;
  align-self: center;
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-base);
}

.selected-item:hover .selected-arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 767px) {
  .selected-item {
    padding: 24px 0;
    gap: 16px;
    flex-wrap: wrap;
  }
  .selected-number {
    font-size: 32px;
    min-width: 48px;
  }
  .selected-arrow {
    display: none;
  }
}

/* ===== Latest News / CMS Section ===== */
.news-section {
  background: var(--bg-card);
}

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

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 16px;
  transition: all var(--transition-base);
}

.news-item:hover {
  border-color: #9CC6E3;
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.news-thumb {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-small);
  background: var(--secondary-100);
  flex-shrink: 0;
  overflow: hidden;
}

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

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

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.news-category {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-badge);
  background: rgba(14, 124, 199, 0.08);
  color: var(--primary-500);
}

.news-date {
  font-size: 13px;
  color: var(--text-muted);
}

.news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 4px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-title a {
  color: inherit;
}

.news-title a:hover {
  color: var(--primary-500);
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-body);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: 14px;
  color: var(--primary-500);
  font-weight: 500;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-link:hover {
  color: var(--primary-700);
  gap: 8px;
}

.empty-state {
  background: var(--secondary-100);
  border: 2px dashed var(--secondary-300);
  border-radius: var(--radius-card);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

@media (max-width: 640px) {
  .news-thumb {
    width: 72px;
    height: 72px;
  }
  .news-excerpt {
    display: none;
  }
  .news-title {
    white-space: normal;
  }
  .news-item {
    padding: 12px;
  }
}

/* ===== Related Recommendation ===== */
.recommend-section {
  background: var(--bg-page);
}

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

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

.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #9CC6E3;
}

.recommend-cover {
  height: 160px;
  background-color: var(--secondary-100);
  position: relative;
}

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

.recommend-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.recommend-body .tag {
  align-self: flex-start;
  margin-bottom: 10px;
}

.recommend-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-strong);
  margin-bottom: 6px;
  line-height: 1.5;
}

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

.rec-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-500);
  font-size: 14px;
  font-weight: 500;
  margin-top: 16px;
}

@media (max-width: 1023px) {
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .recommend-grid {
    grid-template-columns: 1fr;
  }
}

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

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

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

.faq-item.is-active {
  border-color: var(--secondary-300);
  box-shadow: var(--shadow-card);
}

.faq-item-title {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  border-radius: var(--radius-card);
  outline: none;
}

.faq-item-title:focus-visible {
  outline: 2px solid rgba(14, 124, 199, 0.5);
  outline-offset: 2px;
}

.faq-item-title i {
  color: var(--primary-500);
  font-size: 14px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item.is-active .faq-item-title i {
  transform: rotate(180deg);
}

.faq-item-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item-content-inner {
  padding: 0 24px 22px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  background: var(--bg-page);
  padding: 88px 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-color: rgba(14, 124, 199, 0.06);
  background-blend-mode: overlay;
}

.cta-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-500);
}

.cta-container {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.cta-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 12px;
  line-height: 1.4;
}

.cta-text p {
  font-size: 16px;
  color: var(--text-body);
  max-width: 520px;
}

@media (max-width: 767px) {
  .cta-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .cta-section {
    padding: 56px 0;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: #0B2A3F;
  color: rgba(255, 255, 255, 0.72);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, #2C9ADB, #0E7CC7);
}

.footer-brand .logo span {
  color: #6FC3FF;
}

.footer-brand p {
  font-size: 14px;
  opacity: 0.7;
  max-width: 280px;
}

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

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  transition: all var(--transition-base);
}

.footer-col ul li a:hover {
  color: #6FC3FF;
  padding-left: 4px;
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-contact i {
  color: #6FC3FF;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  opacity: 0.6;
  margin: 0;
}

.footer-bottom .icp {
  opacity: 0.5;
}

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Utility ===== */
.grid-x > .cell {
  padding: 0;
}

.section-divider {
  height: 1px;
  background: var(--border-light);
  border: none;
}

/* roulang page: article */
:root {
    --primary-500:#0E7CC7;
    --primary-700:#07539B;
    --secondary-300:#7BA6C9;
    --secondary-100:#E4EFF7;
    --accent-500:#E8832D;
    --accent-600:#C96A1E;
    --bg-page:#F5F9FC;
    --bg-card:#FFFFFF;
    --text-strong:#24323D;
    --text-body:#5B6B78;
    --text-muted:#8494A0;
    --border-light:#DCE9F2;
    --shadow-card:0 8px 24px rgba(11,64,99,0.08);
    --shadow-hover:0 14px 32px rgba(11,64,99,0.14);
    --radius-card:12px;
    --radius-btn:8px;
    --radius-tag:999px;
    --container:1200px;
    --header-height:64px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",Inter,Arial,sans-serif;
    background:var(--bg-page);
    color:var(--text-body);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-700)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}

/* Header */
.site-header{
    position:sticky;top:0;z-index:100;background:var(--bg-card);
    border-bottom:1px solid transparent;
    transition:box-shadow .25s ease,border-color .25s ease;
    height:var(--header-height);
}
.site-header.scrolled{
    border-bottom-color:var(--border-light);
    box-shadow:0 4px 20px rgba(11,64,99,.06);
}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:var(--header-height);
}
.logo{
    display:flex;align-items:center;gap:10px;
    font-size:22px;font-weight:700;color:var(--text-strong);
    letter-spacing:.2px;
}
.logo .logo-icon{
    width:36px;height:36px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--primary-500),var(--primary-700));
    color:#fff;border-radius:9px;font-size:16px;
    box-shadow:0 4px 12px rgba(14,124,199,.25);
}
.logo span{color:var(--primary-500);font-weight:600}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav li{position:relative}
.main-nav li a{
    display:flex;align-items:center;gap:6px;
    padding:8px 14px;border-radius:20px;
    font-size:14px;font-weight:500;color:var(--text-body);
    transition:all .2s ease;
}
.main-nav li a i{font-size:14px;color:var(--secondary-300);transition:color .2s}
.main-nav li a:hover{background:var(--secondary-100);color:var(--primary-700)}
.main-nav li a:hover i{color:var(--primary-500)}
.main-nav li a.active{
    background:var(--secondary-100);color:var(--primary-700);font-weight:600;
    box-shadow:inset 0 0 0 1px rgba(14,124,199,.12);
}
.main-nav li a.active i{color:var(--primary-500)}
.main-nav .nav-cta a{
    background:var(--accent-500);color:#fff;padding:8px 18px;
    border-radius:20px;font-weight:600;box-shadow:0 4px 14px rgba(232,131,45,.28);
}
.main-nav .nav-cta a:hover{background:var(--accent-600);color:#fff}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;color:var(--text-strong);font-size:20px}

/* Breadcrumb */
.article-breadcrumb{background:var(--secondary-100);border-bottom:1px solid var(--border-light)}
.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;color:var(--text-muted)}
.breadcrumb-list li::after{content:"/";color:var(--secondary-300)}
.breadcrumb-list li:last-child::after{display:none}
.breadcrumb-list a{color:var(--primary-500);font-weight:500}
.breadcrumb-list a:hover{color:var(--primary-700)}
.breadcrumb-list .current{color:var(--text-muted);font-weight:400;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Article Head */
.article-head{
    background:linear-gradient(180deg,#FFFFFF 0%,#F5F9FC 100%);
    padding:56px 0 40px;
    border-bottom:1px solid var(--border-light);
}
.article-head-inner{max-width:760px;margin:0 auto;text-align:center}
.article-head h1{
    font-size:34px;line-height:1.4;font-weight:700;color:var(--text-strong);
    margin-bottom:18px;letter-spacing:.3px;
}
.article-meta{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--text-muted)}
.article-cat-badge{
    background:var(--secondary-100);color:var(--primary-700);
    padding:4px 14px;border-radius:var(--radius-tag);font-weight:600;font-size:13px;
}
.article-date,.article-source{display:flex;align-items:center;gap:6px}
.article-date i,.article-source i{color:var(--secondary-300)}

/* Article Content */
.article-main-section{padding:56px 0 32px}
.article-content-inner{max-width:760px;margin:0 auto}
.article-body{font-size:16px;line-height:1.75;color:var(--text-body)}
.article-body h2{font-size:26px;font-weight:700;color:var(--text-strong);margin:48px 0 18px;line-height:1.4}
.article-body h3{font-size:21px;font-weight:600;color:var(--text-strong);margin:36px 0 14px;line-height:1.5}
.article-body p{margin-bottom:24px;letter-spacing:.2px}
.article-body strong{color:var(--text-strong);font-weight:600}
.article-body a{font-weight:500;border-bottom:1px solid rgba(14,124,199,.3)}
.article-body a:hover{border-bottom-color:var(--primary-700)}
.article-body blockquote{
    border-left:4px solid var(--primary-500);background:var(--secondary-100);
    padding:18px 22px;border-radius:0 10px 10px 0;margin:30px 0;color:var(--text-strong);
    font-weight:500;
}
.article-body ul,.article-body ol{margin:16px 0 28px;padding-left:24px}
.article-body ul li{list-style:disc;margin-bottom:10px}
.article-body ol li{list-style:decimal;margin-bottom:10px}
.article-body li::marker{color:var(--primary-500)}
.article-body table{width:100%;border-collapse:collapse;margin:30px 0;border-radius:8px;overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--border-light);padding:12px 16px;text-align:left;font-size:15px}
.article-body th{background:var(--secondary-100);color:var(--text-strong);font-weight:600}
.article-body tr:nth-child(even){background:#FAFDFF}
.article-body img{max-width:100%;height:auto;border-radius:var(--radius-card);margin:32px 0;box-shadow:var(--shadow-card)}
.article-body pre{
    background:var(--text-strong);color:#EAF2F8;padding:22px;border-radius:10px;
    overflow-x:auto;margin:30px 0;font-family:"SFMono-Regular",Consolas,monospace;font-size:14px;line-height:1.7;
}
.article-body code{background:var(--secondary-100);color:var(--primary-700);padding:2px 8px;border-radius:4px;font-size:14px}
.article-body pre code{background:transparent;color:inherit;padding:0}

/* Empty State */
.article-empty{
    text-align:center;padding:80px 24px;border:2px dashed var(--border-light);
    border-radius:var(--radius-card);background:var(--bg-card);
}
.article-empty i{font-size:48px;color:var(--primary-500);margin-bottom:16px;display:block;opacity:.6}
.article-empty h2{font-size:22px;color:var(--text-strong);margin-bottom:12px}
.article-empty p{color:var(--text-muted);font-size:15px;margin-bottom:24px}
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:11px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
    transition:all .2s ease;text-align:center;justify-content:center;
}
.btn-primary{background:var(--primary-500);color:#fff;box-shadow:0 4px 16px rgba(14,124,199,.22)}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(14,124,199,.3)}

/* Article Footer Meta */
.article-footer-meta{
    border-top:1px solid var(--border-light);margin-top:48px;padding:28px 0;
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
}
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.article-tag{
    background:var(--secondary-100);color:var(--primary-700);
    padding:5px 14px;border-radius:var(--radius-tag);font-size:13px;font-weight:500;
    transition:all .2s ease;
}
.article-tag:hover{background:var(--primary-500);color:#fff}
.article-share-actions{display:flex;gap:12px}
.btn-collect{
    border:1px solid var(--accent-500);color:var(--accent-500);background:transparent;padding:9px 22px;
}
.btn-collect:hover{border-color:var(--accent-600);color:var(--accent-600);background:rgba(232,131,45,.06)}
.btn-collect.collected{background:var(--accent-500);color:#fff}
.btn-share{background:var(--secondary-100);color:var(--text-strong);padding:9px 22px}
.btn-share:hover{background:#D6E6F1;color:var(--text-strong)}
.btn:focus-visible{outline:2px solid rgba(14,124,199,.5);outline-offset:2px}

/* Related Section */
.related-section{
    background:linear-gradient(180deg,var(--bg-page) 0%,var(--secondary-100) 100%);
    padding:80px 0;
    margin-top:16px;
}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:28px;font-weight:700;color:var(--text-strong);margin-bottom:8px}
.section-head p{color:var(--text-muted);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
    display:flex;align-items:center;gap:16px;background:var(--bg-card);
    border:1px solid var(--border-light);border-radius:var(--radius-card);
    padding:18px;box-shadow:var(--shadow-card);transition:all .2s ease;
}
.related-card:hover{border-color:#9CC6E3;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.related-card img{
    width:96px;height:68px;object-fit:cover;border-radius:8px;flex-shrink:0;
    background:var(--secondary-100);
}
.related-card-body{min-width:0}
.related-card h3{
    font-size:15px;font-weight:600;color:var(--text-strong);line-height:1.5;
    margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card:hover h3{color:var(--primary-700)}
.read-time{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:5px}

/* Post Nav */
.post-nav-section{padding:48px 0 72px}
.post-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.post-nav-item{
    background:var(--bg-card);border:1px solid var(--border-light);
    border-radius:var(--radius-card);padding:26px 28px;
    box-shadow:var(--shadow-card);transition:all .2s ease;
}
.post-nav-item:hover{border-color:#9CC6E3;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.post-nav-label{
    display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
    color:var(--text-muted);margin-bottom:10px;
}
.post-nav-item a{font-size:16px;font-weight:600;color:var(--text-strong);line-height:1.5}
.post-nav-item a:hover{color:var(--primary-700)}
.post-nav-next{text-align:right}
.post-nav-next .post-nav-label{justify-content:flex-end}

/* Footer */
.site-footer{
    background:var(--primary-700);color:rgba(255,255,255,.85);
    padding:64px 0 24px;
}
.footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
    padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo .logo-icon{background:rgba(255,255,255,.14);box-shadow:none}
.footer-brand .logo span{color:#9CC6E3}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);max-width:280px}
.footer-col h4{
    font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;
    padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
    font-size:14px;color:rgba(255,255,255,.72);transition:color .2s;
    display:inline-flex;align-items:center;gap:6px;
}
.footer-col ul a:hover{color:#fff}
.footer-col ul a i{font-size:12px;color:#9CC6E3}
.footer-contact p{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72)}
.footer-contact i{color:#9CC6E3;width:16px}
.footer-bottom{
    display:flex;align-items:center;justify-content:space-between;
    padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .icp a{color:rgba(255,255,255,.5)}

/* Responsive */
@media (max-width:1024px){
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
    .article-head h1{font-size:30px}
}
@media (max-width:768px){
    .main-nav{
        display:none;position:absolute;top:var(--header-height);left:0;right:0;
        background:var(--bg-card);flex-direction:column;padding:16px 24px 24px;
        border-radius:0 0 16px 16px;box-shadow:0 16px 40px rgba(11,64,99,.12);
        border-bottom:1px solid var(--border-light);
    }
    .main-nav.open{display:flex}
    .main-nav li{width:100%}
    .main-nav li a{justify-content:flex-start;padding:12px 14px;border-radius:10px;width:100%}
    .main-nav .nav-cta{margin-top:8px}
    .main-nav .nav-cta a{justify-content:center}
    .nav-toggle{display:flex}
    .article-head{padding:40px 0 32px}
    .article-head h1{font-size:26px}
    .article-main-section{padding:36px 0 24px}
    .article-content-inner{padding:0}
    .related-grid{grid-template-columns:1fr}
    .post-nav-grid{grid-template-columns:1fr}
    .post-nav-next{text-align:left}
    .post-nav-next .post-nav-label{justify-content:flex-start}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .footer-bottom{flex-direction:column;gap:8px;text-align:center}
    .breadcrumb-list .current{max-width:180px}
    .article-footer-meta{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
    .container{padding-left:16px;padding-right:16px}
    .article-head h1{font-size:23px}
    .article-body{font-size:15px}
    .article-body h2{font-size:22px}
    .article-body h3{font-size:18px}
    .related-card img{width:72px;height:56px}
    .post-nav-item{padding:20px}
    .section-head h2{font-size:23px}
}
@media (min-width:1025px){
    .related-grid{grid-template-columns:repeat(3,1fr)}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --primary-500:#0E7CC7;
  --primary-700:#07539B;
  --secondary-300:#7BA6C9;
  --secondary-100:#E4EFF7;
  --accent-500:#E8832D;
  --accent-600:#C96A1E;
  --bg-page:#F5F9FC;
  --bg-card:#FFFFFF;
  --text-strong:#24323D;
  --text-body:#5B6B78;
  --text-muted:#8494A0;
  --border-light:#DCE9F2;
  --shadow-card:0 8px 24px rgba(11,64,99,0.08);
  --shadow-hover:0 14px 32px rgba(11,64,99,0.14);
  --radius-lg:12px;
  --radius-sm:8px;
  --radius-full:999px;
  --container:1200px;
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg-page);
  color:var(--text-body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-700)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.container-fluid{width:100%;padding-left:24px;padding-right:24px}

/* ===== Foundation 覆盖 ===== */
.button{border-radius:var(--radius-sm);font-weight:500;font-family:var(--font-main)}
.button.primary{background:var(--primary-500)}
.button.primary:hover{background:var(--primary-700)}
.accordion-title{border-radius:var(--radius-sm);font-family:var(--font-main)}
.accordion-item{border-radius:var(--radius-sm);overflow:hidden}
.grid-x{flex-wrap:wrap}
.cell{margin-bottom:0}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  height:64px;display:flex;align-items:center;
  box-shadow:0 1px 0 var(--border-light);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 2px 12px rgba(11,64,99,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--text-strong);white-space:nowrap}
.logo span{color:var(--primary-500)}
.logo .logo-icon{width:36px;height:36px;border-radius:10px;background:var(--primary-500);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:0 4px 10px rgba(14,124,199,.24)}
.main-nav{display:flex;align-items:center;gap:8px;margin:0}
.main-nav > li{margin:0}
.main-nav a{
  display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:var(--radius-full);
  color:var(--text-body);font-size:15px;font-weight:500;transition:all .2s ease;white-space:nowrap;
}
.main-nav a:hover{background:var(--secondary-100);color:var(--primary-700)}
.main-nav a.active{background:var(--secondary-100);color:var(--primary-500);font-weight:600}
.main-nav a.active::after{content:'';display:block;width:16px;height:2px;background:var(--primary-500);border-radius:2px;margin:2px auto 0}
.main-nav .nav-cta a{
  background:var(--accent-500);color:#fff;border:none;padding:9px 20px;box-shadow:0 4px 12px rgba(232,131,45,.25);
}
.main-nav .nav-cta a:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border-light);border-radius:var(--radius-sm);
  width:42px;height:42px;font-size:18px;color:var(--text-strong);cursor:pointer;transition:all .2s ease;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary-500);color:var(--primary-500)}
@media screen and (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:16px 24px 24px;border-bottom:1px solid var(--border-light);box-shadow:0 16px 32px rgba(11,64,99,.08);
    gap:4px;z-index:999;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 16px;justify-content:flex-start;border-radius:var(--radius-sm)}
  .main-nav .nav-cta{margin-top:8px}
  .main-nav .nav-cta a{justify-content:center;text-align:center}
}

/* ===== 分类页 Hero ===== */
.cat-hero{
  position:relative;padding:96px 0 88px;overflow:hidden;background:var(--bg-page);
}
.cat-hero::before{
  content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.14;pointer-events:none;
}
.cat-hero::after{
  content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,249,252,.98) 30%,rgba(245,249,252,.82) 70%,rgba(245,249,252,.95));pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-inner{display:flex;align-items:center;gap:64px}
.cat-hero-text{flex:1.1}
.cat-hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:var(--secondary-100);color:var(--primary-700);
  padding:6px 16px;border-radius:var(--radius-full);font-size:13px;font-weight:600;margin-bottom:20px;
}
.cat-hero h1{
  font-size:36px;line-height:1.3;font-weight:700;color:var(--text-strong);margin-bottom:20px;letter-spacing:0;
}
.cat-hero h1 .highlight{color:var(--primary-500);position:relative;display:inline-block}
.cat-hero p{
  font-size:16px;line-height:1.75;color:var(--text-body);max-width:540px;margin-bottom:28px;
}
.cat-hero-visual{flex:.9;position:relative}
.hero-visual-card{
  background:#fff;border-radius:var(--radius-lg);padding:12px 12px 16px;box-shadow:var(--shadow-card);
  border:1px solid var(--border-light);transform:rotate(2deg);transition:transform .3s ease;
}
.hero-visual-card:hover{transform:rotate(0deg) translateY(-4px);box-shadow:var(--shadow-hover)}
.hero-visual-card img{border-radius:var(--radius-sm);width:100%;height:auto;object-fit:cover}
.hero-visual-card::after{
  content:"kaiyun网页登录 · 统一入口";display:block;text-align:center;padding-top:12px;font-size:13px;color:var(--text-muted);font-weight:500;
}
@media screen and (max-width:1023px){
  .cat-hero{padding:64px 0}
  .cat-hero-inner{flex-direction:column;gap:36px}
  .cat-hero-text{flex:1;text-align:center}
  .cat-hero p{margin-left:auto;margin-right:auto}
  .cat-hero-visual{flex:1;width:100%;max-width:480px;margin:0 auto}
}
@media screen and (max-width:639px){
  .cat-hero{padding:48px 0 40px}
  .cat-hero h1{font-size:28px}
}

/* ===== 分类内容区 ===== */
.scenario-section{padding:96px 0;background:var(--bg-page);border-bottom:1px solid var(--border-light)}
.content-layout{display:flex;gap:48px;align-items:flex-start}
.content-sidebar{width:280px;flex-shrink:0;position:sticky;top:96px}
.sidebar-inner{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-card)}
.sidebar-inner h3{font-size:16px;font-weight:700;color:var(--text-strong);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:8px}
.sidebar-inner h3 i{color:var(--primary-500)}
.sidebar-inner ul li{margin-bottom:4px}
.sidebar-inner ul a{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);
  color:var(--text-body);font-size:14px;font-weight:500;transition:all .2s ease;
}
.sidebar-inner ul a:hover{background:var(--secondary-100);color:var(--primary-700)}
.content-main{flex:1;min-width:0}
.content-card{
  background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);
  padding:36px 36px 40px;margin-bottom:28px;box-shadow:var(--shadow-card);transition:box-shadow .25s ease;
}
.content-card:hover{box-shadow:var(--shadow-hover)}
.content-card-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.section-num{
  width:48px;height:48px;border-radius:var(--radius-sm);background:var(--primary-500);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
  box-shadow:0 4px 10px rgba(14,124,199,.22);
}
.content-card h2{font-size:22px;font-weight:700;color:var(--text-strong);line-height:1.5}
.content-card p{font-size:15px;line-height:1.75;color:var(--text-body);margin-bottom:16px}
.content-card img{border-radius:var(--radius-sm);margin:20px 0 0;width:100%;height:auto;object-fit:cover}
.content-list{margin-top:12px;margin-bottom:8px}
.content-list li{
  display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:14px;color:var(--text-body);line-height:1.65;
}
.content-list li i{color:var(--primary-500);margin-top:5px;font-size:13px;flex-shrink:0}
@media screen and (max-width:1023px){
  .scenario-section{padding:64px 0}
  .content-layout{flex-direction:column;gap:24px}
  .content-sidebar{width:100%;position:static}
  .sidebar-inner{position:static;overflow-x:auto}
  .sidebar-inner ul{display:flex;gap:8px;flex-wrap:wrap}
  .sidebar-inner ul li{margin-bottom:0}
}
@media screen and (max-width:639px){
  .scenario-section{padding:48px 0}
  .content-card{padding:24px 20px}
  .content-card h2{font-size:18px}
  .content-card-head{flex-wrap:wrap}
}

/* ===== 分类服务 ===== */
.service-section{padding:96px 0;background:var(--bg-card)}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-head h2{font-size:28px;font-weight:700;color:var(--text-strong);margin-bottom:14px;line-height:1.4}
.section-head p{font-size:15px;color:var(--text-body)}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-item{
  display:flex;gap:18px;padding:28px;background:var(--bg-page);border:1px solid var(--border-light);
  border-radius:var(--radius-lg);transition:all .25s ease;
}
.service-item:hover{border-color:#9CC6E3;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.service-item-icon{
  width:52px;height:52px;border-radius:var(--radius-sm);background:var(--secondary-100);color:var(--primary-500);
  display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;
}
.service-item h3{font-size:17px;font-weight:600;color:var(--text-strong);margin-bottom:8px}
.service-item p{font-size:14px;color:var(--text-body);line-height:1.65}
@media screen and (max-width:1023px){
  .service-section{padding:64px 0}
  .service-grid{grid-template-columns:1fr}
}
@media screen and (max-width:639px){
  .service-section{padding:48px 0}
  .service-item{padding:20px}
}

/* ===== 流程 ===== */
.process-section{padding:96px 0;background:var(--bg-page);border-bottom:1px solid var(--border-light)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:process}
.process-step{
  position:relative;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);
  padding:36px 28px;box-shadow:var(--shadow-card);transition:all .25s ease;
}
.process-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.process-step::before{
  counter-increment:process;content:counter(process,decimal-leading-zero);
  display:block;font-size:32px;font-weight:700;color:var(--secondary-100);margin-bottom:14px;line-height:1;font-family:inherit;
}
.process-step h3{font-size:18px;font-weight:600;color:var(--text-strong);margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-body);line-height:1.65}
.process-step .step-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:500;color:var(--primary-500)}
.process-step .step-link:hover{color:var(--primary-700)}
@media screen and (max-width:1023px){
  .process-section{padding:64px 0}
  .process-grid{grid-template-columns:1fr;gap:16px}
}
@media screen and (max-width:639px){
  .process-section{padding:48px 0}
  .process-step{padding:24px 20px}
}

/* ===== 扩展阅读 ===== */
.readmore-section{padding:96px 0;background:var(--bg-card)}
.readmore-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.readmore-card{
  background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .25s ease;display:flex;flex-direction:column;
}
.readmore-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#9CC6E3}
.readmore-card .card-img{position:relative;overflow:hidden;aspect-ratio:16/9}
.readmore-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.readmore-card:hover .card-img img{transform:scale(1.04)}
.readmore-card .card-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.readmore-card .card-tag{
  align-self:flex-start;background:var(--secondary-100);color:var(--primary-700);font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--radius-full);margin-bottom:12px;
}
.readmore-card h3{font-size:18px;font-weight:600;color:var(--text-strong);line-height:1.55;margin-bottom:8px}
.readmore-card p{font-size:14px;color:var(--text-body);line-height:1.65;flex:1;margin-bottom:16px}
.readmore-card .card-link{font-size:14px;font-weight:500;color:var(--primary-500);display:inline-flex;align-items:center;gap:6px}
.readmore-card .card-link:hover{color:var(--primary-700)}
@media screen and (max-width:1023px){
  .readmore-section{padding:64px 0}
  .readmore-grid{grid-template-columns:1fr 1fr;gap:20px}
}
@media screen and (max-width:639px){
  .readmore-section{padding:48px 0}
  .readmore-grid{grid-template-columns:1fr;gap:16px}
}

/* ===== FAQ ===== */
.faq-section{padding:96px 0;background:var(--bg-page);border-bottom:1px solid var(--border-light)}
.faq-accordion{max-width:820px;margin:0 auto}
.faq-accordion .accordion-item{
  background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);
  margin-bottom:16px;overflow:hidden;box-shadow:0 2px 8px rgba(11,64,99,.04);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-title{
  font-size:16px;font-weight:600;color:var(--text-strong);padding:20px 28px;
  border:none;display:flex;justify-content:space-between;align-items:center;
}
.faq-accordion .accordion-title::after{content:'';position:relative;display:inline-block;width:20px;height:20px;margin-left:12px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E7CC7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center/contain no-repeat;transition:transform .25s ease;}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--primary-700)}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg)}
.faq-accordion .accordion-content{padding:0 28px 20px;background:var(--secondary-100);margin:0;color:var(--text-body);font-size:14px;line-height:1.7;border-top:1px solid rgba(220,233,242,.6)}
.faq-accordion .accordion-content p{padding-top:14px;margin-bottom:0}
@media screen and (max-width:639px){
  .faq-section{padding:48px 0}
  .faq-accordion .accordion-title{padding:16px 20px;font-size:15px}
  .faq-accordion .accordion-content{padding:0 20px 16px}
}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:72px 0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top:3px solid var(--primary-500);overflow:hidden;
}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(14,124,199,.06)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-size:28px;font-weight:700;color:var(--text-strong);margin-bottom:12px;line-height:1.4}
.cta-text p{font-size:15px;color:var(--text-body);max-width:560px}
@media screen and (max-width:639px){
  .cta-section{padding:48px 0}
  .cta-text h2{font-size:22px}
  .cta-inner{flex-direction:column;text-align:center;justify-content:center}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 28px;
  border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;transition:all .2s ease;line-height:1.4;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid rgba(14,124,199,.5);outline-offset:2px}
.btn-primary{background:var(--primary-500);color:#fff;box-shadow:0 4px 14px rgba(14,124,199,.22)}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(7,83,155,.25)}
.btn-primary:active{background:var(--primary-700);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-outline{background:#fff;border-color:var(--border-light);color:var(--text-strong)}
.btn-outline:hover{background:var(--secondary-100);color:var(--primary-700);border-color:var(--secondary-300)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 4px 14px rgba(232,131,45,.25)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(201,106,30,.3)}
.btn-accent:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
@media screen and (max-width:639px){
  .btn{padding:10px 20px;font-size:14px}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary-700);color:rgba(255,255,255,.85);padding-top:64px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo span{color:var(--secondary-100)}
.site-footer .logo .logo-icon{background:rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.7;max-width:280px;opacity:.8}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;opacity:.95}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-col ul a:hover{color:#fff}
.footer-contact p{font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px;color:rgba(255,255,255,.7)}
.footer-contact i{width:18px;text-align:center;color:var(--secondary-100)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:13px;opacity:.7;margin-bottom:0}
.footer-bottom .icp{color:rgba(255,255,255,.5)}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:639px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== 杂项 ===== */
.section-label{
  display:inline-block;background:var(--secondary-100);color:var(--primary-700);font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:var(--radius-full);margin-bottom:18px;
}
.section-head .section-label{margin-bottom:16px}
@media screen and (max-width:639px){
  .section-head h2{font-size:22px}
  .section-head{margin-bottom:36px}
}

/* roulang page: category3 */
:root {
  --primary-500: #0E7CC7;
  --primary-700: #07539B;
  --secondary-300: #7BA6C9;
  --secondary-100: #E4EFF7;
  --accent-500: #E8832D;
  --accent-600: #C96A1E;
  --bg-page: #F5F9FC;
  --bg-card: #FFFFFF;
  --text-strong: #24323D;
  --text-body: #5B6B78;
  --text-muted: #8494A0;
  --border-light: #DCE9F2;
  --shadow-card: 0 8px 24px rgba(11,64,99,0.08);
  --shadow-hover: 0 14px 32px rgba(11,64,99,0.14);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
  background: var(--bg-page);
  color: var(--text-strong);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-500); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-700); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.site-header {
  position: sticky; top: 0; z-index: 999;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent; height: 64px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.site-header.scrolled { border-bottom-color: var(--border-light); box-shadow: 0 4px 20px rgba(11,64,99,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 20px; font-weight: 700; color: var(--text-strong);
  letter-spacing: -0.3px; line-height: 1.2;
}
.logo span { color: var(--primary-500); }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; background: var(--secondary-100);
  border-radius: 8px; color: var(--primary-500); font-size: 15px;
}
.main-nav { display: flex; align-items: center; gap: 22px; list-style: none; padding: 0; margin: 0; }
.main-nav > li { display: inline-block; }
.main-nav a {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 14px; font-weight: 500; color: var(--text-body);
  padding: 8px 12px; border-radius: 999px; line-height: 1.4;
  transition: all 0.2s ease;
}
.main-nav a:hover { color: var(--primary-500); background: var(--secondary-100); }
.main-nav a.active {
  color: var(--primary-500); background: var(--secondary-100);
  box-shadow: inset 0 -2px 0 var(--primary-500);
  font-weight: 600;
}
.main-nav .nav-cta a, .main-nav a.nav-cta-btn {
  background: var(--accent-500); color: #fff; font-weight: 600;
  padding: 8px 18px; border-radius: 8px; box-shadow: none;
}
.main-nav .nav-cta a:hover, .main-nav a.nav-cta-btn:hover { background: var(--accent-600); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border-light); border-radius: 8px; width: 38px; height: 38px; font-size: 16px; color: var(--text-strong); cursor: pointer; align-items: center; justify-content: center; transition: all 0.2s ease; }
.nav-toggle:hover { background: var(--secondary-100); border-color: var(--secondary-300); }
.category-hero {
  position: relative;
  background: linear-gradient(135deg, var(--secondary-100) 0%, var(--bg-page) 55%, #F8FBFE 100%);
  padding: 88px 0 64px;
  overflow: hidden;
}
.category-hero::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
  opacity: 0.05; pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-content .hero-badge {
  display: inline-block; background: rgba(14,124,199,0.12); color: var(--primary-500);
  border: 1px solid rgba(14,124,199,0.2); font-size: 13px; font-weight: 500;
  padding: 4px 16px; border-radius: 999px; margin-bottom: 16px;
}
.hero-content h1 {
  font-size: 36px; line-height: 1.3; font-weight: 700; color: var(--text-strong);
  margin: 0 0 16px; letter-spacing: -0.5px;
}
.hero-content h1 .accent { color: var(--primary-500); }
.hero-content p.hero-desc {
  font-size: 16px; color: var(--text-body); max-width: 560px; margin-bottom: 24px;
}
.hero-content .hero-detail {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 24px; font-size: 15px; font-weight: 600; border-radius: 8px;
  border: none; cursor: pointer; transition: all 0.22s ease; line-height: 1.5;
}
.btn:focus-visible { outline: 2px solid rgba(14,124,199,0.5); outline-offset: 2px; }
.btn-primary { background: var(--primary-500); color: #fff; }
.btn-primary:hover { background: var(--primary-700); color: #fff; }
.btn-accent { background: var(--accent-500); color: #fff; }
.btn-accent:hover { background: var(--accent-600); color: #fff; }
.btn-secondary { background: #fff; color: var(--text-strong); border: 1px solid var(--border-light); }
.btn-secondary:hover { background: var(--secondary-100); border-color: var(--secondary-300); color: var(--text-strong); }
.btn-sm { padding: 7px 16px; font-size: 13px; border-radius: 6px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-page); }
.section-header { margin-bottom: 42px; text-align: left; }
.section-header .eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--primary-500); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.section-header h2 { font-size: 28px; line-height: 1.4; font-weight: 700; color: var(--text-strong); margin-bottom: 12px; }
.section-header p { font-size: 16px; color: var(--text-body); max-width: 600px; }
.chapter-section { display: flex; gap: 48px; align-items: flex-start; }
.chapter-aside {
  position: sticky; top: 96px; min-width: 220px; flex-shrink: 0;
}
.chapter-aside h4 { font-size: 14px; font-weight: 700; color: var(--text-muted); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.chapter-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.chapter-links a {
  display: block; font-size: 14px; color: var(--text-body); padding: 8px 14px;
  border-radius: 8px; border-left: 3px solid transparent;
  transition: all 0.2s ease;
}
.chapter-links a:hover { background: var(--secondary-100); color: var(--primary-500); }
.chapter-links a.active { background: var(--secondary-100); color: var(--primary-500); border-left-color: var(--primary-500); font-weight: 600; }
.chapter-content { flex: 1 1 auto; display: flex; flex-direction: column; gap: 32px; }
.chapter-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; padding: 32px; box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  scroll-margin-top: 96px;
}
.chapter-card:hover { box-shadow: var(--shadow-hover); border-color: #9CC6E3; transform: translateY(-2px); }
.chapter-card h3 { font-size: 22px; font-weight: 700; color: var(--text-strong); margin-bottom: 12px; line-height: 1.5; }
.chapter-card p { font-size: 15px; color: var(--text-body); margin-bottom: 14px; }
.chapter-card .card-tag { display: inline-block; font-size: 13px; font-weight: 500; color: var(--primary-500); background: var(--secondary-100); border-radius: 999px; padding: 3px 12px; margin-bottom: 12px; }
.check-list { list-style: none; padding: 0; margin: 12px 0 8px; }
.check-list li {
  position: relative; padding-left: 28px; font-size: 14px; color: var(--text-body);
  margin-bottom: 10px; line-height: 1.6;
}
.check-list li::before {
  content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; left: 0; top: 1px; color: var(--primary-500); font-size: 13px;
  background: var(--secondary-100); border-radius: 50%; width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
}
.step-list { list-style: none; padding: 0; margin: 16px 0 0; counter-reset: steps; }
.step-list li {
  position: relative; padding: 16px 0 16px 60px; border-bottom: 1px solid var(--border-light);
  counter-increment: steps;
}
.step-list li:last-child { border-bottom: none; }
.step-list li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute; left: 0; top: 14px;
  font-size: 20px; font-weight: 700; color: var(--primary-500);
  background: var(--secondary-100); border-radius: 10px;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
}
.step-list .step-title { font-size: 16px; font-weight: 600; color: var(--text-strong); margin-bottom: 4px; line-height: 1.5; }
.step-list .step-desc { font-size: 14px; color: var(--text-body); }
.chapter-card img { border-radius: 12px; margin: 16px 0; width: 100%; object-fit: cover; max-height: 320px; }
.chapter-placeholder {
  background: var(--secondary-100); border-radius: 12px; min-height: 180px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 14px; margin-top: 14px;
}
.related-services { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.service-item {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; padding: 28px; transition: all 0.25s ease;
  display: flex; gap: 16px;
}
.service-item:hover { box-shadow: var(--shadow-hover); border-color: #9CC6E3; transform: translateY(-2px); }
.service-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--secondary-100);
  color: var(--primary-500); font-size: 18px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.service-item h4 { font-size: 16px; font-weight: 700; color: var(--text-strong); margin-bottom: 6px; }
.service-item p { font-size: 14px; color: var(--text-body); margin: 0; }
.extend-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.extend-card {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; overflow: hidden; transition: all 0.25s ease;
}
.extend-card:hover { box-shadow: var(--shadow-hover); border-color: #9CC6E3; transform: translateY(-4px); }
.extend-card .thumb { height: 150px; overflow: hidden; background: var(--secondary-100); position: relative; }
.extend-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.extend-card:hover .thumb img { transform: scale(1.04); }
.extend-card .card-body { padding: 20px; }
.extend-card .tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary-500); background: var(--secondary-100); border-radius: 999px; padding: 2px 10px; margin-bottom: 10px; }
.extend-card h4 { font-size: 15px; font-weight: 600; color: var(--text-strong); line-height: 1.5; margin-bottom: 8px; }
.extend-card p { font-size: 13px; color: var(--text-body); line-height: 1.6; margin-bottom: 12px; }
.extend-card .link-more { font-size: 13px; font-weight: 600; color: var(--primary-500); }
.extend-card .link-more i { font-size: 12px; transition: transform 0.2s ease; }
.extend-card:hover .link-more i { transform: translateX(3px); }
.empty-state {
  background: var(--secondary-100); border: 2px dashed var(--secondary-300);
  border-radius: 12px; padding: 40px 24px; text-align: center;
  color: var(--text-muted); font-size: 14px;
}
.faq-section { background: var(--bg-card); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.accordion-item {
  background: var(--bg-card); border: 1px solid var(--border-light);
  border-radius: 12px; margin-bottom: 16px; overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.accordion-item:hover { border-color: #9CC6E3; box-shadow: var(--shadow-card); }
.accordion-title {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; padding: 20px 22px;
  font-size: 15px; font-weight: 600; color: var(--text-strong);
  cursor: pointer; text-align: left; transition: background 0.2s ease;
}
.accordion-title:hover { background: #F9FCFE; }
.accordion-title i { color: var(--primary-500); font-size: 14px; transition: transform 0.3s ease; }
.accordion-item.active .accordion-title i { transform: rotate(180deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.32s ease; }
.accordion-item.active .accordion-content { max-height: 300px; }
.accordion-content p { padding: 0 22px 20px; font-size: 14px; color: var(--text-body); line-height: 1.75; }
.site-footer { background: #12384F; color: rgba(255,255,255,0.85); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo span { color: #8FC7EA; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.12); color: #8FC7EA; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.7); font-size: 14px; transition: color 0.2s ease; }
.footer-col ul a:hover { color: #8FC7EA; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: #8FC7EA; width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding: 20px 0; display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); margin: 0; }
.cta-band {
  position: relative; padding: 72px 0; overflow: hidden;
  background: url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
}
.cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(14,124,199,0.78); }
.cta-inner { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.cta-inner h2 { font-size: 28px; color: #fff; font-weight: 700; margin-bottom: 8px; }
.cta-inner p { color: rgba(255,255,255,0.9); font-size: 15px; max-width: 480px; margin: 0; }
@media (max-width: 1024px) {
  .chapter-section { flex-direction: column; gap: 32px; }
  .chapter-aside { position: static; min-width: 0; width: 100%; }
  .chapter-links { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none; position: absolute; top: 64px; left: 0; width: 100%;
    background: #fff; flex-direction: column; align-items: stretch;
    gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--border-light);
    box-shadow: 0 12px 30px rgba(11,64,99,0.1);
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; border-radius: 8px; padding: 12px 14px; }
  .category-hero { padding: 56px 0 40px; }
  .hero-content h1 { font-size: 28px; }
  .section { padding: 56px 0; }
  .related-services, .extend-cards { grid-template-columns: 1fr; gap: 16px; }
  .chapter-card { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero-actions { width: 100%; flex-direction: column; }
  .service-item { flex-direction: column; }
}

/* roulang page: category2 */
:root {
      --primary-500: #0E7CC7;
      --primary-700: #07539B;
      --secondary-300: #7BA6C9;
      --secondary-100: #E4EFF7;
      --accent-500: #E8832D;
      --accent-600: #C96A1E;
      --bg-page: #F5F9FC;
      --bg-card: #FFFFFF;
      --text-strong: #24323D;
      --text-body: #5B6B78;
      --text-muted: #8494A0;
      --border-light: #DCE9F2;
      --shadow-card: 0 8px 24px rgba(11, 64, 99, 0.08);
      --shadow-hover: 0 14px 32px rgba(11, 64, 99, 0.14);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-badge: 999px;
    }
    * {
      box-sizing: border-box;
    }
    html,
    body {
      margin: 0;
      padding: 0;
      background: var(--bg-page);
      color: var(--text-body);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
    }
    body {
      overflow-x: hidden;
    }
    h1, h2, h3, h4, h5, h6 {
      margin: 0 0 0.6em;
      color: var(--text-strong);
      line-height: 1.4;
      font-weight: 700;
    }
    p {
      margin: 0 0 1em;
    }
    a {
      color: var(--primary-500);
      text-decoration: none;
      transition: color .2s ease;
    }
    a:hover {
      color: var(--primary-700);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    ul {
      padding-left: 1.2em;
      margin: 0 0 1em;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ---------- 按钮 ---------- */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1;
      padding: 14px 28px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all .2s ease;
      text-decoration: none;
      outline: none;
    }
    .btn-primary {
      background: var(--primary-500);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-700);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }
    .btn-accent {
      background: var(--accent-500);
      color: #fff;
    }
    .btn-accent:hover {
      background: var(--accent-600);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }
    .btn-outline {
      background: #fff;
      border: 1px solid var(--border-light);
      color: var(--text-strong);
    }
    .btn-outline:hover {
      background: var(--secondary-100);
      border-color: var(--secondary-300);
      color: var(--primary-700);
    }
    .btn:focus-visible {
      outline: 2px solid rgba(14, 124, 199, 0.5);
      outline-offset: 2px;
    }

    /* ---------- Header ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #ffffff;
      border-bottom: 1px solid transparent;
      transition: border-color .3s ease, box-shadow .3s ease;
    }
    .site-header.scrolled {
      border-bottom-color: var(--border-light);
      box-shadow: 0 2px 12px rgba(11, 64, 99, 0.06);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 22px;
      font-weight: 700;
      color: var(--text-strong);
      text-decoration: none;
      white-space: nowrap;
    }
    .logo span {
      color: var(--primary-500);
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--secondary-100);
      color: var(--primary-500);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .main-nav li {
      margin: 0;
    }
    .main-nav li a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      border-radius: var(--radius-badge);
      font-weight: 500;
      font-size: 14px;
      color: var(--text-strong);
      text-decoration: none;
      transition: background .2s ease, color .2s ease;
    }
    .main-nav li a i {
      font-size: 13px;
      color: var(--secondary-300);
    }
    .main-nav li a:hover {
      background: var(--secondary-100);
      color: var(--primary-700);
    }
    .main-nav li a.active {
      background: var(--secondary-100);
      color: var(--primary-500);
      font-weight: 600;
      box-shadow: inset 0 -2px 0 0 var(--primary-500);
    }
    .main-nav li a.active i {
      color: var(--primary-500);
    }
    .main-nav .nav-cta a {
      background: var(--primary-500);
      color: #fff;
      padding: 10px 20px;
      font-weight: 600;
      border-radius: var(--radius-btn);
    }
    .main-nav .nav-cta a i {
      color: #fff;
    }
    .main-nav .nav-cta a:hover {
      background: var(--primary-700);
      transform: translateY(-1px);
      box-shadow: var(--shadow-card);
    }
    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border-light);
      background: #fff;
      border-radius: 8px;
      font-size: 18px;
      color: var(--text-strong);
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: all .2s ease;
    }
    .nav-toggle:hover {
      background: var(--secondary-100);
      border-color: var(--secondary-300);
    }
    .nav-toggle:focus-visible {
      outline: 2px solid rgba(14, 124, 199, 0.5);
      outline-offset: 2px;
    }

    /* ---------- Page Hero ---------- */
    .page-hero {
      position: relative;
      background-size: cover;
      background-position: center;
      background-color: var(--secondary-100);
      padding: 80px 0 72px;
      border-bottom: 1px solid var(--border-light);
    }
    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.88) 50%, rgba(228, 239, 247, 0.85) 100%);
    }
    .page-hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      border-radius: var(--radius-badge);
      background: var(--secondary-100);
      color: var(--primary-500);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .page-hero-title h1 {
      font-size: 36px;
      line-height: 1.3;
      color: var(--text-strong);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .page-hero-desc p {
      font-size: 16px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 12px;
    }
    .page-hero-desc .btn {
      margin-top: 12px;
    }

    /* ---------- Split Content ---------- */
    .split-wrap {
      padding: 96px 0;
    }
    .split-grid {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 48px;
      align-items: start;
    }
    .section-toc {
      position: sticky;
      top: 88px;
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }
    .section-toc h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-light);
    }
    .section-toc ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .section-toc li {
      margin-bottom: 4px;
    }
    .section-toc a {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-body);
      text-decoration: none;
      transition: all .2s ease;
    }
    .section-toc a:hover {
      background: var(--secondary-100);
      color: var(--primary-700);
    }
    .section-toc a i {
      font-size: 12px;
      color: var(--secondary-300);
      width: 16px;
      text-align: center;
    }
    .section-content {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .content-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 36px 40px;
      transition: box-shadow .25s ease, transform .25s ease;
    }
    .content-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .content-head {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 18px;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--secondary-100);
      color: var(--primary-500);
      font-size: 15px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .content-head h2 {
      font-size: 24px;
      line-height: 1.3;
      margin: 0;
      color: var(--text-strong);
    }
    .content-card>p {
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-body);
      margin-bottom: 16px;
    }
    .feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .feature-list li {
      position: relative;
      padding: 10px 14px 10px 38px;
      background: var(--bg-page);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-strong);
      font-weight: 500;
      line-height: 1.6;
    }
    .feature-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 14px;
      top: 11px;
      color: var(--primary-500);
      font-size: 13px;
    }

    /* ---------- Services ---------- */
    .service-section {
      background: #fff;
      padding: 96px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .section-title {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }
    .section-title h2 {
      font-size: 28px;
      line-height: 1.4;
      color: var(--text-strong);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .section-title p {
      font-size: 16px;
      color: var(--text-body);
      line-height: 1.75;
    }
    .service-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .service-item {
      display: flex;
      align-items: stretch;
      gap: 16px;
      background: var(--bg-page);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      padding: 28px;
      transition: box-shadow .25s ease, transform .25s ease, border-color .2s ease;
    }
    .service-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
      border-color: #9CC6E3;
    }
    .service-icon {
      width: 50px;
      height: 50px;
      flex-shrink: 0;
      border-radius: 12px;
      background: var(--secondary-100);
      color: var(--primary-500);
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .service-text h3 {
      font-size: 18px;
      line-height: 1.5;
      color: var(--text-strong);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .service-text p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-body);
      margin: 0;
    }

    /* ---------- Read More ---------- */
    .readmore-wrap {
      padding: 96px 0;
    }
    .readmore-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .read-card {
      display: flex;
      flex-direction: column;
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s ease, transform .25s ease, border-color .2s ease;
      text-decoration: none;
    }
    .read-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
      border-color: #9CC6E3;
    }
    .read-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      border-radius: var(--radius-card) var(--radius-card) 0 0;
    }
    .read-card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .read-card-body h3 {
      font-size: 17px;
      line-height: 1.5;
      color: var(--text-strong);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .read-card-body p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-body);
      margin-bottom: 16px;
      flex: 1;
    }
    .link-more {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-500);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color .2s ease;
      text-decoration: none;
    }
    .link-more:hover {
      color: var(--primary-700);
    }
    .link-more i {
      font-size: 12px;
    }

    /* ---------- FAQ ---------- */
    .faq-section {
      background: #fff;
      padding: 96px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      list-style: none;
      padding: 0;
    }
    .accordion-item {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      margin-bottom: 16px;
      overflow: hidden;
      transition: box-shadow .2s ease, border-color .2s ease;
    }
    .accordion-item:hover {
      border-color: #9CC6E3;
      box-shadow: var(--shadow-card);
    }
    .accordion-item .accordion-title {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-strong);
      background: #fff;
      text-decoration: none;
      cursor: pointer;
    }
    .accordion-item .accordion-title:hover {
      background: var(--bg-page);
      color: var(--primary-700);
    }
    .accordion-title::before {
      content: "\f059";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--secondary-300);
      font-size: 16px;
      flex-shrink: 0;
    }
    .accordion-item .accordion-content {
      padding: 0 24px 20px 52px;
      background: var(--secondary-100);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-body);
      display: none;
    }
    .accordion-item.is-active .accordion-content {
      display: block;
      padding-top: 4px;
    }
    .accordion-item .accordion-title::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 12px;
      margin-left: auto;
      color: var(--text-muted);
      transition: transform .2s ease;
    }
    .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
      color: var(--primary-500);
    }

    /* ---------- CTA ---------- */
    .cta-section {
      position: relative;
      background: url('/assets/images/backpic/back-2.png') no-repeat center/cover;
      padding: 80px 0;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(14, 124, 199, 0.08);
      border-top: 2px solid var(--primary-500);
    }
    .cta-inner {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }
    .cta-text {
      flex: 1;
      min-width: 280px;
    }
    .cta-text h2 {
      font-size: 28px;
      line-height: 1.4;
      color: var(--text-strong);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .cta-text p {
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-body);
      margin: 0;
    }
    .cta-btn {
      flex-shrink: 0;
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: #24323D;
      color: #B8C6D1;
      padding: 64px 0 0;
    }
    .site-footer .container {
      max-width: 1200px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    .footer-brand .logo {
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-brand .logo span {
      color: #7BA6C9;
    }
    .footer-brand .logo-icon {
      background: rgba(255, 255, 255, 0.1);
      color: #7BA6C9;
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      color: #B8C6D1;
      margin: 0;
      max-width: 300px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul a {
      color: #B8C6D1;
      font-size: 14px;
      text-decoration: none;
      transition: color .2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .footer-col ul a:hover {
      color: #fff;
    }
    .footer-contact p {
      font-size: 14px;
      color: #B8C6D1;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-contact p i {
      color: #7BA6C9;
      width: 18px;
      text-align: center;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #8494A0;
    }
    .footer-bottom p {
      margin: 0;
    }
    .footer-bottom .icp {
      opacity: 0.7;
    }

    /* ---------- Responsive ---------- */
    @media screen and (max-width: 1024px) {
      .container {
        padding: 0 20px;
      }
      .page-hero-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .page-hero-title h1 {
        font-size: 30px;
      }
      .split-grid {
        grid-template-columns: 220px 1fr;
        gap: 32px;
      }
      .readmore-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }
    @media screen and (max-width: 768px) {
      .nav-toggle {
        display: flex;
      }
      .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: 0 8px 24px rgba(11, 64, 99, 0.1);
        border-bottom: 1px solid var(--border-light);
      }
      .main-nav.open {
        display: flex;
      }
      .main-nav li a {
        padding: 12px 16px;
        border-radius: 8px;
      }
      .main-nav .nav-cta a {
        justify-content: center;
        padding: 12px 16px;
      }
      .page-hero {
        padding: 56px 0 48px;
      }
      .page-hero-inner {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .page-hero-title h1 {
        font-size: 28px;
      }
      .split-wrap {
        padding: 56px 0;
      }
      .split-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .section-toc {
        position: static;
        padding: 16px;
      }
      .content-card {
        padding: 24px;
      }
      .service-section,
      .readmore-wrap,
      .faq-section {
        padding: 56px 0;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .readmore-grid {
        grid-template-columns: 1fr;
      }
      .feature-list {
        grid-template-columns: 1fr;
      }
      .cta-section {
        padding: 56px 0;
      }
      .cta-inner {
        flex-direction: column;
        text-align: left;
        gap: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media screen and (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .logo {
        font-size: 18px;
      }
      .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
      }
      .page-hero-title h1 {
        font-size: 24px;
      }
      .section-title h2 {
        font-size: 22px;
      }
      .content-card {
        padding: 20px;
      }
      .service-item {
        padding: 20px;
      }
      .accordion-item .accordion-title {
        padding: 16px;
        font-size: 15px;
      }
      .accordion-item .accordion-content {
        padding: 0 16px 16px 42px;
      }
      .btn {
        padding: 12px 20px;
        font-size: 14px;
      }
    }