/* roulang page: index */
:root {
  --primary: #16324F;
  --primary-dark: #0F2438;
  --accent: #C6A15B;
  --accent-light: #D4B47A;
  --light-blue: #EAF2F8;
  --text: #33475B;
  --text-weak: #7A8FA3;
  --border: #DCE6EF;
  --bg: #F4F8FB;
  --white: #FFFFFF;
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-card: 0 4px 16px rgba(22,50,79,.08);
  --shadow-hover: 0 8px 24px rgba(22,50,79,.14);
  --spacing-lg: 80px;
  --spacing-md: 48px;
  --container: 1200px;
  --nav-height: 72px;
  --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-lg) 0; }
.section-alt { background: var(--light-blue); }
.section-head {
  text-align: center;
  margin-bottom: 44px;
}
.section-head .section-title {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 12px;
}
.section-head .section-sub {
  font-size: 15px;
  color: var(--text-weak);
  max-width: 700px;
  margin: 0 auto;
}
.section-head .section-line {
  width: 44px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
  margin: 16px auto 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  line-height: 1.5;
  transition: all .25s ease;
  letter-spacing: .02em;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(22,50,79,.12);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
}
.btn-accent:hover {
  background: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-outline-primary {
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--accent);
}
.btn-outline-primary:hover {
  background: var(--accent);
  color: var(--primary-dark);
}
.btn-block { width: 100%; }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.tag {
  display: inline-block;
  background: var(--light-blue);
  color: var(--primary);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 4px;
  font-weight: 500;
}
/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #fff;
  border-bottom: 1px solid #E5EEF5;
  height: var(--nav-height);
  box-shadow: 0 2px 8px rgba(22,50,79,.04);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}
.brand-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
}
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  border-radius: 4px;
  position: relative;
  transition: background .2s;
}
.main-nav a:hover { background: var(--light-blue); }
.main-nav a.active {
  background: var(--light-blue);
  color: var(--primary);
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-form {
  position: relative;
  display: flex;
  align-items: center;
}
.search-form input {
  width: 220px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 40px 0 16px;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: border-color .25s, box-shadow .25s;
}
.search-form input::placeholder { color: var(--text-weak); }
.search-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,161,91,.12);
  background: #fff;
}
.search-form button {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  color: var(--text-weak);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .2s;
}
.search-form button:hover { color: var(--accent); }
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav-panel {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  box-shadow: 0 10px 24px rgba(22,50,79,.08);
}
.mobile-nav-list { margin-bottom: 16px; }
.mobile-nav-list a {
  display: block;
  padding: 12px 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid #f0f4f8;
}
.mobile-nav-list a.active { color: var(--accent); }
.mobile-search { display: flex; gap: 10px; margin-bottom: 14px; }
.mobile-search input {
  flex: 1;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 16px;
  font-size: 14px;
}
.mobile-search button {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(22,50,79,.85) 0%, rgba(22,50,79,.15) 100%);
}
.hero-inner { position: relative; z-index: 1; color: #fff; }
.hero h1 {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.35;
  max-width: 720px;
  margin-bottom: 20px;
  color: #fff;
}
.hero-sub {
  font-size: 18px;
  color: #D6E4F0;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.hero-stat {
  padding: 8px 40px 8px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-right: 1px solid rgba(255,255,255,.3);
  margin-right: 40px;
}
.hero-stat:last-child { border-right: none; margin-right: 0; }
.hero-stat .stat-num {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}
.hero-stat .stat-label { font-size: 13px; color: #D6E4F0; }
/* ===== Steps ===== */
.steps-section { background: var(--white); }
.steps-grid { position: relative; }
.step-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px 32px;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s;
  height: 100%;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.step-num {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  color: rgba(198,161,91,.35);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
}
.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--light-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 20px;
}
.step-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.step-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }
.step-card::after {
  content: '';
  position: absolute;
  top: 120px;
  right: -24px;
  width: 24px;
  border-top: 2px dashed rgba(198,161,91,.45);
  display: none;
}
@media (min-width: 641px) {
  .step-card:not(:last-child)::after { display: block; }
}
/* ===== News / CMS ===== */
.news-section { background: var(--light-blue); }
.news-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 14px;
}
.news-head .section-title { font-size: 30px; font-weight: 700; color: var(--primary); }
.news-more {
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s;
}
.news-more:hover { gap: 12px; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(220,230,239,.6);
  transition: box-shadow .25s, transform .25s;
  display: flex;
  align-items: center;
  gap: 20px;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-thumb {
  width: 120px;
  height: 90px;
  border-radius: 8px;
  background: #EAF2F8;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px dashed var(--border);
}
.news-body { flex: 1; min-width: 0; }
.news-topline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.news-date { font-size: 13px; color: var(--text-weak); }
.news-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-title a:hover { color: var(--accent); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link {
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-link:hover { gap: 8px; }
.news-empty {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-weak);
  border: 1px dashed var(--border);
}
.news-empty i { font-size: 36px; color: var(--border); margin-bottom: 12px; display: block; }
/* ===== Case Study ===== */
.cases-section { background: var(--bg); }
.case-list { display: flex; flex-direction: column; gap: 28px; }
.case-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(220,230,239,.5);
  transition: box-shadow .3s, transform .3s;
}
.case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.case-media {
  background: var(--light-blue);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.case-media img { width: 100%; height: 100%; object-fit: cover; }
.case-info { padding: 32px 32px 28px; }
.case-tag { display: inline-block; margin-bottom: 12px; }
.case-info h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.4;
}
.case-stat {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.case-info p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }
/* ===== FAQ ===== */
.faq-section { background: var(--light-blue); }
.custom-accordion {
  max-width: 820px;
  margin: 0 auto;
}
.custom-accordion .accordion-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s;
}
.custom-accordion .accordion-item:hover { box-shadow: var(--shadow-card); }
.custom-accordion .accordion-item.is-active {
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-card);
}
.custom-accordion .accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color .2s;
  position: relative;
}
.custom-accordion .accordion-title::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  transition: transform .3s;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.custom-accordion .accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
}
.custom-accordion .accordion-content {
  padding: 0 28px 20px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  background: transparent;
  border: none;
}
/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(198,161,91,.08);
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta-inner h2 {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.cta-inner .cta-sub {
  font-size: 16px;
  color: #AFC6DC;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-form-wrap {
  max-width: 760px;
  margin: 36px auto 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 36px;
}
.cta-form .cell { margin-bottom: 16px; }
.cta-form input,
.cta-form select {
  width: 100%;
  height: 46px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: border-color .25s, box-shadow .25s;
}
.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,161,91,.2);
}
.cta-form select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A8FA3' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 36px;
}
.cta-form .btn-submit {
  height: 48px;
  background: var(--accent);
  color: var(--primary-dark);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background .25s, transform .25s;
}
.cta-form .btn-submit:hover { background: var(--accent-light); transform: translateY(-2px); }
.cta-privacy {
  font-size: 13px;
  color: #AFC6DC;
  margin-top: 12px;
  text-align: center;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: #AFC6DC;
  padding: 56px 0 0;
}
.footer-top {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; line-height: 1.7; color: #AFC6DC; max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #AFC6DC; font-size: 14px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-col .contact-info { font-size: 14px; line-height: 1.8; }
.footer-col .contact-info i { color: var(--accent); margin-right: 8px; width: 16px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #AFC6DC;
  font-size: 16px;
  transition: background .25s, color .25s, transform .25s;
}
.social-links a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }
.footer-bottom {
  text-align: center;
  padding: 20px 24px;
  font-size: 13px;
  color: #7A8FA3;
  background: rgba(0,0,0,.15);
}
.footer-bottom a { color: #AFC6DC; }
.footer-bottom a:hover { color: var(--accent); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .search-form input { width: 160px; }
  .main-nav a { padding: 10px 10px; font-size: 14px; }
}
@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .site-header { height: 60px; }
  .header-inner { padding: 0 16px; }
  .main-nav, .header-actions .search-form, .header-actions .btn-primary { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav-panel { display: none; }
  .hero { min-height: 480px; padding: 80px 0 56px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 0; }
  .hero-stat { padding-right: 20px; margin-right: 20px; }
  .hero-stat .stat-num { font-size: 22px; }
  .hero-stat .stat-label { font-size: 12px; }
  .section-head .section-title { font-size: 24px; }
  .news-head { flex-direction: column; align-items: flex-start; }
  .news-card { flex-direction: column; align-items: flex-start; padding: 16px; }
  .news-thumb { width: 100%; height: 140px; }
  .news-title { white-space: normal; }
  .step-card::after { display: none !important; }
  .case-card { flex-direction: column; }
  .case-info { padding: 24px 20px; }
  .cta-section { padding: 48px 0; }
  .cta-inner h2 { font-size: 24px; }
  .cta-form-wrap { padding: 24px 20px; }
  .footer-top { padding-bottom: 24px; }
}
@media (min-width: 641px) and (max-width: 1024px) {
  .step-card::after { display: none !important; }
  .case-media { min-height: 200px; }
}

/* roulang page: article */
:root {
  --primary: #16324F;
  --primary-dark: #0F2438;
  --accent: #C6A15B;
  --accent-light: #D4B47A;
  --bg-light: #EAF2F8;
  --bg-body: #F4F8FB;
  --text-main: #33475B;
  --text-muted: #7A8FA3;
  --border: #DCE6EF;
  --card-bg: #FFFFFF;
  --radius-btn: 6px;
  --radius-card: 12px;
  --radius-tag: 4px;
  --shadow-card: 0 4px 16px rgba(22,50,79,.08);
  --shadow-hover: 0 8px 24px rgba(22,50,79,.14);
  --transition: all .3s ease;
  --container: 1200px;
  --space-section: 80px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(198,161,91,.25); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ========== Header / Nav ========== */
.site-header {
  background: #fff;
  border-bottom: 1px solid #E5EEF5;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(22,50,79,.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .5px;
}
.logo i { color: var(--accent); font-size: 22px; }
.main-nav { display: flex; gap: 32px; }
.main-nav a {
  font-size: 15px;
  color: var(--primary);
  font-weight: 500;
  position: relative;
  padding: 26px 0;
  line-height: 1;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: transparent;
  border-radius: 3px 3px 0 0;
  transition: var(--transition);
}
.main-nav a:hover { color: var(--accent); }
.main-nav a.active { color: var(--accent); }
.main-nav a.active::after { background: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box { position: relative; }
.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}
.search-box input {
  width: 220px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 16px 0 38px;
  font-size: 14px;
  background: var(--bg-light);
  transition: var(--transition);
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(198,161,91,.15);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(22,50,79,.12);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(22,50,79,.25);
}
.btn-gold {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 2px 6px rgba(198,161,91,.25);
}
.btn-gold:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,.65);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 20px; font-size: 14px; height: 40px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--primary);
  cursor: pointer;
  padding: 4px;
}
.mobile-panel { display: none; }

/* ========== Page Hero Banner ========== */
.page-hero {
  position: relative;
  padding: 72px 0 64px;
  background-color: var(--primary);
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .25;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(22,50,79,.92) 0%, rgba(22,50,79,.68) 55%, rgba(22,50,79,.35) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(198,161,91,.16);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.page-hero-content h2 {
  color: #fff;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 8px;
  letter-spacing: -.5px;
}
.page-hero-content p {
  color: #AFC6DC;
  font-size: 16px;
  max-width: 560px;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: #B8C8D6; }
.breadcrumb .current {
  color: var(--primary);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== Article Wrap ========== */
.article-wrap { padding: 48px 0 var(--space-section); }
.article-card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 48px;
  margin-bottom: 48px;
  transition: box-shadow .3s ease;
}
.article-card:hover { box-shadow: var(--shadow-hover); }
.article-card h1 {
  font-size: 28px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 18px;
  letter-spacing: -.5px;
  word-break: break-word;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i { color: var(--accent); font-size: 13px; }
.article-content {
  max-width: 760px;
  margin: 0 auto;
}
.article-content p {
  margin-bottom: 24px;
  line-height: 1.85;
  font-size: 16px;
  color: var(--text-main);
}
.article-content h2 {
  font-size: 22px;
  color: var(--primary);
  font-weight: 700;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  border-radius: 2px;
}
.article-content h3 {
  font-size: 18px;
  color: var(--primary);
  font-weight: 600;
  margin: 32px 0 12px;
}
.article-content h4 {
  font-size: 16px;
  color: var(--primary);
  font-weight: 600;
  margin: 24px 0 10px;
}
.article-content img {
  border-radius: var(--radius-card);
  margin: 28px auto;
  box-shadow: 0 4px 16px rgba(22,50,79,.08);
}
.article-content figcaption {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: -14px;
  margin-bottom: 24px;
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-light);
  padding: 18px 24px;
  border-radius: 0 8px 8px 0;
  margin: 28px 0;
  color: var(--text-muted);
  font-size: 15px;
  font-style: italic;
}
.article-content ul,
.article-content ol {
  margin: 0 0 24px 24px;
}
.article-content ul li {
  list-style: disc;
  margin-bottom: 8px;
  padding-left: 4px;
}
.article-content ol li {
  list-style: decimal;
  margin-bottom: 8px;
}
.article-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(198,161,91,.4);
}
.article-content a:hover { color: var(--primary); border-color: var(--primary); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  border-radius: 8px;
  overflow: hidden;
}
.article-content th {
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 14px;
  text-align: left;
}
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  font-size: 14px;
}
.article-content tr:nth-child(even) td { background: var(--bg-light); }

/* ========== Tags ========== */
.article-tags {
  display: flex;
  gap: 10px;
  margin-top: 40px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: var(--transition);
}
.tag:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tag i { font-size: 12px; }

/* ========== Pager ========== */
.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.pager-link {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  padding: 14px 18px;
  background: var(--bg-light);
  border-radius: 8px;
  border: 1px solid transparent;
  transition: var(--transition);
  min-width: 0;
}
.pager-link i { color: var(--accent); flex-shrink: 0; }
.pager-link span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pager-link:hover {
  background: #fff;
  border-color: var(--accent);
  color: var(--primary);
  box-shadow: var(--shadow-card);
}
.pager-link.next { justify-content: flex-end; }
.back-link {
  margin-top: 24px;
  text-align: center;
}
.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}
.back-link a i { transition: transform .3s ease; }
.back-link a:hover { color: var(--accent); }
.back-link a:hover i { transform: translateX(-4px); }

/* ========== Not Found ========== */
.not-found {
  text-align: center;
  padding: 64px 40px;
}
.not-found .not-found-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent);
}
.not-found h1 { font-size: 28px; margin-bottom: 12px; }
.not-found p { color: var(--text-muted); font-size: 15px; margin-bottom: 28px; }
.not-found img {
  border-radius: var(--radius-card);
  margin: 0 auto 28px;
  max-width: 420px;
  box-shadow: var(--shadow-card);
}

/* ========== Related Section ========== */
.related-section {
  margin-bottom: 56px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-head h2 {
  font-size: 26px;
  color: var(--primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-head h2 i {
  color: var(--accent);
  font-size: 22px;
}
.section-head .more-link {
  font-size: 14px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-head .more-link:hover { color: var(--accent); }
.related-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}
.related-card .img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.related-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .img-wrap img { transform: scale(1.05); }
.related-card .img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(22,50,79,.18), transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
}
.related-card:hover .img-wrap::after { opacity: 1; }
.related-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-body .cate-tag {
  display: inline-block;
  background: var(--bg-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
  align-self: flex-start;
}
.related-body h3 {
  font-size: 16px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}
.related-body .meta-line {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}
.related-body .meta-line i { color: var(--accent); margin-right: 4px; }
.related-body .read-more {
  color: var(--accent);
  font-weight: 500;
}
.related-body .read-more:hover { color: var(--primary); }

/* ========== CTA Section ========== */
.cta-section {
  background: var(--primary);
  border-radius: 16px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  top: -140px;
  right: -80px;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(198,161,91,.07);
  bottom: -90px;
  left: -50px;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  font-size: 30px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -.5px;
}
.cta-section > .container > p {
  color: #AFC6DC;
  font-size: 16px;
  margin-bottom: 32px;
}
.cta-form {
  max-width: 760px;
  margin: 0 auto 28px;
}
.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.form-row input,
.form-row select {
  flex: 1;
  min-width: 150px;
  max-width: 200px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 14px;
  background: rgba(255,255,255,.95);
  color: var(--text-main);
  transition: var(--transition);
}
.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,161,91,.25);
}
.form-row select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237A8FA3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}
.form-row .btn {
  height: 44px;
  padding: 0 28px;
  border: none;
  cursor: pointer;
}
.form-row .btn.submitted {
  background: #7BB8A0;
  color: #fff;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}
.cta-note {
  color: rgba(175,198,220,.75);
  font-size: 13px;
  margin-top: 16px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary-dark);
  color: #AFC6DC;
  padding: 64px 0 28px;
  margin-top: var(--space-section);
}
.footer-brand { margin-bottom: 24px; }
.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  max-width: 340px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: #AFC6DC;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul a::before {
  content: '›';
  color: var(--accent);
  font-size: 16px;
  line-height: 1;
}
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.contact-info p {
  margin-bottom: 12px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.contact-info i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  font-size: 14px;
}
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  transition: var(--transition);
}
.social-links a:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
}
.footer-bottom {
  border-top: 1px solid #224365;
  padding-top: 24px;
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: #7A8FA3;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-bottom a { color: #7A8FA3; }
.footer-bottom a:hover { color: var(--accent); }

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
  .main-nav { gap: 20px; }
  .search-box input { width: 160px; }
  .header-inner { padding: 0 20px; }
  .page-hero-content h2 { font-size: 28px; }
}

@media screen and (max-width: 768px) {
  :root { --space-section: 48px; }
  .site-header { height: auto; }
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 14px 16px;
    gap: 10px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 18px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    display: flex;
  }
  .main-nav a { padding: 6px 0; font-size: 15px; }
  .header-actions .search-box { display: none; }
  .header-actions .btn { display: none; }
  .menu-toggle {
    display: block;
    order: 2;
  }
  .mobile-panel {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(22,50,79,.1);
    padding: 16px 20px;
    flex-direction: column;
    gap: 4px;
    display: none;
    z-index: 99;
  }
  .mobile-panel.open { display: flex; }
  .mobile-panel a {
    padding: 12px 0;
    font-size: 16px;
    color: var(--primary);
    border-bottom: 1px solid #F0F5F9;
    font-weight: 500;
  }
  .mobile-panel a:last-child { border-bottom: none; }
  .mobile-panel .search-box { margin: 10px 0; width: 100%; }
  .mobile-panel .search-box input { width: 100%; }
  .mobile-panel .btn { margin-top: 8px; width: 100%; }
  .page-hero { padding: 48px 0 40px; }
  .page-hero-content h2 { font-size: 24px; }
  .page-hero-content p { font-size: 14px; }
  .article-wrap { padding: 32px 0 48px; }
  .article-card { padding: 28px 20px; }
  .article-card h1 { font-size: 22px; }
  .article-meta { gap: 12px; font-size: 13px; }
  .article-content p { font-size: 15px; line-height: 1.75; }
  .cta-section { padding: 40px 20px; border-radius: 12px; }
  .cta-section h2 { font-size: 22px; }
  .form-row input,
  .form-row select { max-width: none; width: 100%; flex: 1 1 100%; }
  .form-row .btn { width: 100%; }
  .article-pager { flex-direction: column; gap: 12px; }
  .pager-link { width: 100%; }
  .related-body h3 { min-height: 0; }
  .site-footer { padding: 48px 0 24px; }
  .footer-brand p { max-width: 100%; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 16px; }
  .page-hero { padding: 36px 0 32px; }
  .breadcrumb { font-size: 12px; gap: 6px; }
  .breadcrumb .current { max-width: 160px; }
  .article-card { padding: 20px 16px; margin-bottom: 32px; }
  .article-card h1 { font-size: 20px; }
  .article-meta { padding-bottom: 16px; margin-bottom: 24px; }
  .related-card { margin-bottom: 16px; }
  .cta-section { padding: 32px 16px; }
  .cta-section h2 { font-size: 20px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

/* roulang page: category1 */
:root {
  --primary: #16324F;
  --primary-dark: #0F2438;
  --accent: #C6A15B;
  --accent-light: #D4B47A;
  --light: #EAF2F8;
  --bg: #F4F8FB;
  --text: #33475B;
  --text-light: #7A8FA3;
  --border: #DCE6EF;
  --white: #FFFFFF;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 16px rgba(22,50,79,.08);
  --shadow-md: 0 8px 24px rgba(22,50,79,.14);
  --section-space: 80px;
  --section-space-sm: 48px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--primary);
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.35;
}

p {
  margin: 0 0 16px;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .3s ease;
}

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

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

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

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

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

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 4px;
  letter-spacing: .5px;
  margin-bottom: 14px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.center-tag {
  text-align: center;
  justify-content: center;
}

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

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s ease;
  text-align: center;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 15px 40px;
  font-size: 16px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(22,50,79,.12);
}

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

.btn-gold {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 2px 6px rgba(22,50,79,.12);
}

.btn-gold:hover {
  background: var(--accent-light);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,.85);
  color: #fff;
}

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

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #E5EEF5;
  height: 72px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-icon {
  display: block;
}

.brand-name {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
}

.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  padding: 6px 2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transition: width .3s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.main-nav a.active {
  color: var(--primary);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 14px;
  height: 38px;
  width: 220px;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.search-box i {
  color: var(--text-light);
  font-size: 14px;
  margin-right: 8px;
}

.search-box input {
  border: none;
  background: transparent;
  flex: 1;
  font-size: 14px;
  outline: none;
  color: var(--text);
  min-width: 0;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,161,91,.12);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--primary);
  cursor: pointer;
  padding: 6px;
}

.mobile-search {
  display: none;
}

/* ============ Banner ============ */
.page-banner {
  position: relative;
  padding: 108px 0;
  background-size: cover;
  background-position: center;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22,50,79,.85) 0%, rgba(22,50,79,.45) 60%, rgba(22,50,79,.2) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0;
}

.banner-badge {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 4px;
  margin-bottom: 24px;
  backdrop-filter: blur(2px);
}

.page-banner h1 {
  font-size: 40px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 700;
}

.page-banner p {
  font-size: 18px;
  color: #D6E4F0;
  line-height: 1.8;
  margin-bottom: 32px;
}

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

/* ============ Intro ============ */
.intro-section {
  background: #fff;
  padding: 90px 0;
}

.intro-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--light);
  min-height: 280px;
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.check-list {
  margin: 20px 0 28px;
}

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

.check-list li i {
  color: var(--accent);
  font-size: 16px;
  flex-shrink: 0;
}

/* ============ Details ============ */
.details-section {
  background: var(--bg);
}

.detail-block {
  margin-bottom: 60px;
}

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

.detail-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--light);
  min-height: 240px;
}

.detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.detail-num {
  display: block;
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: rgba(198,161,91,.4);
  margin-bottom: 12px;
  font-family: "Noto Sans SC", sans-serif;
}

.detail-text h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}

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

.feature-list {
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text);
}

.feature-list li::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
}

.detail-reverse .detail-text {
  order: 1;
}

/* ============ Steps ============ */
.steps-section {
  background: #fff;
}

.steps-grid {
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 15%;
  right: 15%;
  border-top: 2px dashed var(--border);
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 16px;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
  background: var(--light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  border: 2px solid #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, background .3s ease;
}

.step-item:hover .step-icon {
  transform: translateY(-4px);
  background: var(--accent);
  color: #fff;
}

.step-num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(198,161,91,.1);
  padding: 3px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.step-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ============ Stats ============ */
.stats-section {
  background: var(--light);
}

.stat-box {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}

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

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-family: "Noto Sans SC", sans-serif;
}

.stat-value span {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
  margin-left: 2px;
}

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

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

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  box-shadow: none;
  overflow: hidden;
  transition: all .3s ease;
}

.faq-accordion .accordion-item.is-active {
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-accordion .accordion-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--primary);
  padding: 20px 28px;
  line-height: 1.5;
  background: #fff;
  border: none;
  display: block;
  width: 100%;
  position: relative;
  padding-right: 60px;
}

.faq-accordion .accordion-title::before {
  content: '+';
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  transition: transform .3s ease, color .3s ease;
}

.faq-accordion .accordion-item.is-active .accordion-title::before {
  transform: translateY(-50%) rotate(45deg);
  color: var(--accent);
}

.faq-accordion .accordion-title:hover {
  background: #FBFCFE;
}

.faq-accordion .accordion-content {
  padding: 0 28px 22px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  border-top: none;
}

.faq-accordion .accordion-content p {
  margin-bottom: 0;
}

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

.cta-inner {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.cta-inner h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 12px;
}

.cta-inner > p {
  color: #AFC6DC;
  font-size: 16px;
  margin-bottom: 36px;
}

.cta-form {
  text-align: left;
  margin-top: 12px;
}

.cta-form .cell {
  margin-bottom: 18px;
}

.cta-form input[type="text"],
.cta-form input[type="tel"],
.cta-form select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: #fff;
  color: var(--text);
  transition: border-color .3s ease, box-shadow .3s ease;
  height: auto;
  margin: 0;
}

.cta-form select {
  appearance: auto;
  cursor: pointer;
}

.cta-form input::placeholder {
  color: rgba(51,71,91,.55);
}

.cta-form input:focus,
.cta-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198,161,91,.2);
}

.cta-submit {
  text-align: center;
  margin-top: 6px;
}

.cta-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #AFC6DC;
  margin-left: 12px;
}

.cta-note i {
  font-size: 12px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary-dark);
  color: #AFC6DC;
  padding: 64px 0 0;
  font-size: 14px;
  line-height: 1.8;
}

.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 44px;
  border-bottom: 1px solid #224365;
}

.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.footer-brand p {
  color: #AFC6DC;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
}

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

.footer-col ul {
  margin: 0;
}

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

.footer-col ul li a {
  color: #AFC6DC;
  transition: color .3s ease, padding-left .3s ease;
}

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

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

.contact-info p i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  font-size: 13px;
}

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

.social-links a {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid #224365;
  border-radius: 50%;
  color: #AFC6DC;
  font-size: 15px;
  transition: all .3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  text-align: center;
  color: #7A8FA3;
  font-size: 13px;
}

.footer-bottom span {
  margin: 0 4px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .search-box {
    width: 180px;
  }

  .main-nav {
    gap: 20px;
  }

  .detail-block {
    margin-bottom: 48px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .header-inner {
    gap: 12px;
  }

  .main-nav {
    gap: 16px;
  }

  .main-nav a {
    font-size: 14px;
  }

  .header-tools .btn {
    display: none;
  }

  .search-box {
    width: 160px;
  }

  .page-banner {
    padding: 80px 0;
  }

  .page-banner h1 {
    font-size: 32px;
  }

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

  .detail-reverse .detail-text {
    order: 0;
  }

  .detail-reverse .detail-image {
    order: 1;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

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

  .site-header {
    height: 64px;
  }

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

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(22,50,79,.1);
    margin: 0;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 13px 8px;
    font-size: 15px;
    border-bottom: 1px solid #F0F5FA;
  }

  .main-nav a:last-of-type {
    border-bottom: none;
  }

  .main-nav a::after {
    display: none;
  }

  .mobile-search {
    display: block;
    padding-top: 12px;
    border-top: 1px solid #F0F5FA;
  }

  .mobile-search .search-box {
    width: 100%;
  }

  .header-tools .search-box {
    display: none;
  }

  .brand-name {
    font-size: 16px;
  }

  .page-banner {
    padding: 64px 0;
    background-position: 65% center;
  }

  .page-banner h1 {
    font-size: 28px;
  }

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

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

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

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

  .intro-section {
    padding: 48px 0;
  }

  .detail-block {
    margin-bottom: 36px;
  }

  .detail-image,
  .intro-image {
    min-height: 180px;
  }

  .detail-num {
    font-size: 36px;
  }

  .steps-grid::before {
    display: none;
  }

  .step-item {
    padding: 0 0 32px;
  }

  .step-icon {
    width: 66px;
    height: 66px;
    font-size: 24px;
  }

  .stat-box {
    padding: 24px 14px;
    margin-bottom: 16px;
  }

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

  .cta-section {
    padding: 56px 0;
  }

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

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

  .cta-note {
    display: block;
    margin: 16px 0 0;
  }

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

  .footer-top {
    padding: 0 16px 36px;
  }

  .footer-bottom {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 520px) {
  .brand-icon {
    width: 22px;
    height: 22px;
  }

  .page-banner {
    padding: 56px 0;
  }

  .page-banner h1 {
    font-size: 24px;
  }

  .btn {
    padding: 13px 22px;
  }
}