/* roulang page: index */
:root {
  --primary: #2B6FA3;
  --primary-hover: #205886;
  --primary-active: #1B4A6D;
  --primary-light: #EAF3F9;
  --gold: #C9A96A;
  --gold-dark: #B8955F;
  --green: #1E8E5A;
  --page-bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --footer-bg: #EFF5FA;
  --text-title: #1B2A3A;
  --text-body: #3E4C59;
  --text-muted: #7B8794;
  --text-soft: #5A6875;
  --border-light: #E3EBF2;
  --border-card: #E5EEF5;
  --border-input: #D6E4EE;
  --ring: rgba(43,111,163,0.3);
  --shadow-card: 0 4px 16px rgba(27,42,58,0.06);
  --shadow-hover: 0 8px 28px rgba(27,42,58,0.10);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 8px;
  --radius-modal: 16px;
  --radius-large: 16px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --transition: 0.25s ease;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 14px; }
ul { list-style: none; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.section { padding: 80px 0; }
.section-header { max-width: 720px; margin-bottom: 48px; }
.section-title {
  font-size: 26px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-title);
  letter-spacing: 0.5px;
}
.section-subtitle {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,249,252,0.97);
  border-bottom: 1px solid var(--border-light);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 4px;
  height: 24px;
  background: var(--gold);
  border-radius: 2px;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.logo-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
  letter-spacing: 1px;
}
.main-nav { display: flex; align-items: center; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-title);
  padding: 8px 0;
  letter-spacing: 0.2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { width: 100%; }
.header-cta { display: flex; align-items: center; }
.header-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: all var(--transition);
}
.header-cta-link:hover { color: var(--primary-hover); }
.header-cta-link .arrow-icon {
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition);
}
.header-cta-link:hover .arrow-icon { transform: translateX(3px); }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-title);
  border-radius: 1px;
  transition: all var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 8px 24px 16px;
  z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu .mobile-link {
  display: block;
  height: 44px;
  line-height: 44px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-title);
  border-bottom: 1px solid var(--border-light);
  padding-left: 12px;
  transition: color var(--transition);
}
.mobile-menu .mobile-link:last-child { border-bottom: none; }
.mobile-menu .mobile-link:hover { color: var(--primary); }
.mobile-menu .mobile-link.active {
  color: var(--primary);
  border-left: 3px solid var(--primary);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #F5F9FC 0%, #EAF3F9 100%);
  border-bottom: 1px solid var(--border-light);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 80px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 56px;
  align-items: center;
  min-height: 580px;
}
.hero-kicker {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-title);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero-title .title-accent {
  color: var(--gold-dark);
}
.hero-subtitle {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 30px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 20px rgba(43,111,163,0.25);
}
.btn-primary:active {
  background: var(--primary-active);
  box-shadow: none;
}
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-ghost:hover {
  background: rgba(43,111,163,0.08);
}
.btn-ghost:active {
  background: rgba(43,111,163,0.14);
}
.btn-light {
  background: #fff;
  color: #214F73;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-light:hover {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  box-shadow: 0 6px 20px rgba(201,169,106,0.3);
}
.btn-block { width: 100%; }
.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 16/10;
}
.hero-image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(245,249,252,0.2);
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

/* ===== Pain Section ===== */
.pain-section { padding: 80px 0; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.pain-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.pain-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.pain-card:hover .pain-icon {
  background: var(--gold);
  color: #fff;
}
.pain-body { flex: 1; }
.pain-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 8px;
  line-height: 1.4;
}
.pain-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: all var(--transition);
}
.text-link .arrow-icon {
  font-size: 16px;
  transition: transform var(--transition);
}
.text-link:hover { color: var(--primary-hover); text-decoration: underline; }
.text-link:hover .arrow-icon { transform: translateX(3px); }

/* ===== Solution Section ===== */
.solution-section { padding: 80px 0; background: #fff; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.solution-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.solution-card.wide { grid-column: span 8; }
.solution-card.normal { grid-column: span 6; }
.solution-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 20px;
}
.solution-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 12px;
  line-height: 1.4;
}
.solution-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
  margin-bottom: 20px;
  flex: 1;
}
.solution-link {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.solution-link .arrow-icon {
  font-size: 16px;
  transition: transform var(--transition);
}
.solution-link:hover { color: var(--primary-hover); text-decoration: underline; }
.solution-link:hover .arrow-icon { transform: translateX(3px); }

/* ===== Data Section ===== */
.data-section {
  background: var(--primary-light);
  padding: 56px 0;
  border-bottom: 1px solid var(--border-light);
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.data-item {
  position: relative;
  padding: 16px 24px;
}
.data-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: var(--border-input);
}
.data-value {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  line-height: 1.2;
}
.data-label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-soft);
}

/* ===== News Section ===== */
.news-section { padding: 80px 0; }
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.news-header .section-title { margin-bottom: 0; }
.news-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 32px;
}
.news-large-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.news-large-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.news-cover {
  aspect-ratio: 16/9;
  background-color: var(--primary-light);
  background-size: cover;
  background-position: center;
  border-radius: 0;
}
.news-large-body { padding: 24px; }
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.category-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-tag);
}
.news-time {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.news-large-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.news-large-card:hover .news-large-title { color: var(--primary); }
.news-large-excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 8px 24px;
}
.news-list-item {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}
.news-list-item:last-child { border-bottom: none; }
.news-list-item:hover .news-list-title { color: var(--primary); }
.news-list-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-title);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
  transition: color var(--transition);
}
.news-list-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.news-list-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.category-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--radius-tag);
}
.news-list-time {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.news-empty {
  background: var(--primary-light);
  border: 2px dashed #B8D0E2;
  border-radius: var(--radius-large);
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  grid-column: 1 / -1;
}
.news-empty-icon {
  width: 36px;
  height: 36px;
  color: var(--primary);
  font-size: 28px;
  line-height: 1;
}
.news-empty-text {
  font-size: 15px;
  color: var(--text-soft);
}
.news-empty-sub {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== CTA Section ===== */
.cta-section { padding: 24px 0 80px; }
.cta-block {
  background: #214F73;
  border-radius: var(--radius-large);
  padding: 56px 48px;
  text-align: center;
  color: #fff;
}
.cta-title {
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  line-height: 1.35;
}
.cta-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-actions { margin-bottom: 20px; }
.cta-privacy {
  font-size: 12px;
  color: #B8D0E2;
  line-height: 1.6;
}

/* ===== FAQ Section ===== */
.faq-section { padding: 0 0 80px; }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-light);
}
.faq-item:first-child { border-top: 1px solid var(--border-light); }
.faq-question {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 24px 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  background: none;
  border: none;
  gap: 14px;
}
.faq-q-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-question-text { flex: 1; }
.faq-toggle-icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.faq-toggle-icon::before,
.faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  transition: all 0.3s ease;
  border-radius: 1px;
}
.faq-toggle-icon::before {
  top: 11px;
  left: 4px;
  width: 16px;
  height: 2px;
}
.faq-toggle-icon::after {
  left: 11px;
  top: 4px;
  width: 2px;
  height: 16px;
}
.faq-item.open .faq-toggle-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 40px;
  padding-right: 40px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 220px;
  padding-bottom: 24px;
}
.faq-item.open .faq-question-text { color: var(--primary); }

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-light);
  padding: 64px 0 0;
}
.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 4fr 3fr 3fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-mark { height: 20px; }
.footer-logo .logo-text { font-size: 18px; }
.footer-desc {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  max-width: 320px;
}
.footer-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--text-body);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--primary); }
.footer-contact li {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-contact li i {
  color: var(--primary);
  margin-top: 4px;
  width: 16px;
  font-size: 13px;
}
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 0 24px;
}
.footer-bottom-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-domain-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27,42,58,0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  padding: 16px;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: #fff;
  border-radius: var(--radius-modal);
  width: 480px;
  max-width: 100%;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(27,42,58,0.18);
  transform: translateY(8px);
  transition: transform 0.25s ease;
  position: relative;
}
.modal-overlay.open .modal-content { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}
.modal-close:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.modal-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
}
.modal-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
}
.form-input,
.form-select {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-btn);
  background: #fff;
  font-size: 14px;
  color: var(--text-body);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43,111,163,0.15);
  outline: none;
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237B8794' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.form-input.error {
  border-color: #C0392B;
  box-shadow: 0 0 0 3px rgba(192,57,43,0.1);
}
.form-error-text {
  display: none;
  font-size: 12px;
  color: #C0392B;
  margin-top: 4px;
}
.form-error-text.show { display: block; }
.form-submit { margin-top: 8px; }
.modal-privacy {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  text-align: center;
}
.form-success {
  text-align: center;
  padding: 32px 0;
}
.form-success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--green);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.form-success-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 8px;
}
.form-success-desc {
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .hero-inner { gap: 40px; padding: 48px 24px 64px; }
  .hero-title { font-size: 28px; }
}
@media (max-width: 1023px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding: 48px 24px;
  }
  .hero-content { text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .hero-image-wrap { max-width: 640px; margin: 0 auto; }
  .pain-grid { grid-template-columns: 1fr; gap: 16px; }
  .solution-card.wide { grid-column: span 12; }
  .solution-card.normal { grid-column: span 6; }
  .news-layout { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .data-item:nth-child(2)::after { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .header-inner { padding: 0 20px; height: 64px; }
  .main-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { top: 64px; }
  .hero-inner { padding: 40px 20px 56px; }
  .hero-title { font-size: 26px; }
  .hero-kicker { font-size: 12px; letter-spacing: 2px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 280px; }
  .pain-section { padding: 56px 0; }
  .solution-section { padding: 56px 0; }
  .solution-card.normal { grid-column: span 12; }
  .data-grid { grid-template-columns: 1fr 1fr; }
  .data-value { font-size: 32px; }
  .news-section { padding: 56px 0; }
  .news-header { flex-direction: column; align-items: flex-start; }
  .news-list { padding: 8px 16px; }
  .cta-section { padding: 16px 0 56px; }
  .cta-block { padding: 40px 24px; }
  .cta-title { font-size: 24px; }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .faq-section { padding: 0 0 56px; }
  .faq-answer { padding-left: 20px; padding-right: 20px; }
  .modal-content { width: 93%; padding: 24px; }
}

/* roulang page: article */
:root {
  --primary: #2B6FA3;
  --primary-hover: #205886;
  --primary-dark: #1B4A6D;
  --primary-light: #EAF3F9;
  --gold: #C9A96A;
  --gold-dark: #B8955F;
  --green: #1E8E5A;
  --page-bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --text-heading: #1B2A3A;
  --text-body: #3E4C59;
  --text-weak: #7B8794;
  --text-sub: #5A6875;
  --border: #E3EBF2;
  --border-blue: #D6E4EE;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 8px;
  --shadow-card: 0 4px 16px rgba(27,42,58,0.06);
  --shadow-hover: 0 8px 28px rgba(27,42,58,0.10);
  --container: 1200px;
  --gap: 24px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; border: 0; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--primary-hover); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 2px solid rgba(43,111,163,0.3);
  outline-offset: 2px;
}

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

.container.narrow { max-width: 860px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(245,249,252,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(27,42,58,0.06); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.logo-mark {
  width: 4px;
  height: 22px;
  background: var(--gold);
  border-radius: 2px;
  flex-shrink: 0;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  position: relative;
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-heading);
  padding: 10px 0;
  transition: color 0.25s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Breadcrumb ===== */
.breadcrumb {
  padding: 96px 0 16px;
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--text-weak); transition: color 0.25s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-heading); font-weight: 500; }

/* ===== Article Header ===== */
.article-header {
  padding: 8px 0 28px;
}
.article-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-heading);
  letter-spacing: 0.5px;
  margin: 0 0 16px;
}
.article-summary {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
  max-width: 720px;
  margin: 0 0 18px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-weak);
}
.meta-category {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
}
.meta-source {
  color: var(--text-weak);
}

/* ===== Article Body ===== */
.article-container {
  padding-top: 8px;
  padding-bottom: 40px;
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 0 32px;
}
.article-body p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
}
.article-body h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 36px 0 16px;
  line-height: 1.35;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 28px 0 14px;
  line-height: 1.4;
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin: 0 0 20px;
}
.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}
.article-body blockquote {
  background: #F0F6FB;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 8px;
  margin: 24px 0;
  color: var(--text-body);
  font-size: 15px;
}
.article-body img {
  border-radius: var(--radius-card);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}
.article-body a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { text-decoration-thickness: 2px; }

/* ===== Article Empty ===== */
.article-empty {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 24px;
  border: 2px dashed #B8D0E2;
  border-radius: 16px;
  background: var(--primary-light);
}
.article-empty i { font-size: 36px; color: var(--text-weak); margin-bottom: 16px; }
.article-empty p { font-size: 15px; color: #5A6875; margin: 0 0 20px; }

/* ===== Tag Bar ===== */
.article-footer-bar {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 0 8px;
  border-top: 1px solid var(--border);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  border-radius: 8px;
  font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s ease;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(43,111,163,0.18);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 20px rgba(43,111,163,0.28);
  color: #fff;
}
.btn-primary:active { background: var(--primary-dark); }
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-secondary:hover {
  background: rgba(43,111,163,0.08);
  color: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-block { width: 100%; }

/* ===== Related Posts ===== */
.related-section {
  padding: 56px 0;
  border-top: 1px solid var(--border);
  background: #fff;
}
.section-heading h3 {
  margin: 0 0 28px;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid #E5EEF5;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.related-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.related-card-body {
  padding: 16px;
}
.related-card-body h4 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.4;
}
.related-card-body p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-time {
  font-size: 12px;
  color: var(--text-weak);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 64px 0;
}
.cta-box {
  background: #214F73;
  border-radius: 16px;
  padding: 48px 32px;
  text-align: center;
  color: #fff;
  box-shadow: 0 12px 40px rgba(27,42,58,0.18);
}
.cta-box h2 {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 600;
  color: #fff;
}
.cta-box p {
  margin: 0 0 24px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}
.cta-box .btn-primary {
  background: #fff;
  color: #214F73;
}
.cta-box .btn-primary:hover {
  background: #f0e8d5;
  color: #1B4A6D;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}
.cta-privacy {
  margin: 16px 0 0 !important;
  font-size: 12px !important;
  color: #B8D0E2 !important;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 32px 0 72px;
}
.faq-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 28px;
}
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  text-align: left;
  background: none;
  transition: color 0.25s ease;
}
.faq-item-header:hover { color: var(--primary); }
.faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open .faq-item-body {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-item-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

/* ===== Footer ===== */
.site-footer {
  background: #EFF5FA;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 4px;
  height: 22px;
}
.footer-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 360px;
}
.footer-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 16px;
}
.footer-links,
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--text-body);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-links a:hover { color: var(--primary); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-body);
}
.footer-contact i {
  color: var(--primary);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-copyright,
.footer-domain-note {
  margin: 0;
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(27,42,58,0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(27,42,58,0.18);
  transform: translateY(8px);
  transition: transform 0.25s ease;
}
.modal-overlay.open .modal-card { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-weak);
  border-radius: 8px;
  transition: background 0.25s ease, color 0.25s ease;
}
.modal-close:hover { background: var(--primary-light); color: var(--primary); }
.modal-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
}
.modal-sub {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--text-weak);
}
.modal-card form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 6px;
}
.modal-card form input,
.modal-card form select {
  width: 100%;
  height: 44px;
  border: 1px solid var(--border-blue);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text-heading);
  background: #fff;
  margin-bottom: 18px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.modal-card form input:focus,
.modal-card form select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43,111,163,0.15);
  outline: none;
}
.modal-card form select { appearance: auto; }
.modal-privacy {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-weak);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .container { padding-left: 32px; padding-right: 32px; }
  .related-grid { gap: 20px; }
  .article-title { font-size: 30px; }
}

@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
  }
  .main-nav.open { display: block; }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .nav-link {
    display: block;
    width: 100%;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid #F0F4F8;
    border-radius: 0;
  }
  .nav-link.active::after { display: none; }
  .nav-link.active { color: var(--primary); }
  .nav-link.active { border-left: 3px solid var(--primary); padding-left: 10px; }

  .breadcrumb { padding-top: 84px; }
  .article-title { font-size: 26px; }
  .article-summary { font-size: 14px; }

  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-box { padding: 40px 20px; }
  .cta-box h2 { font-size: 22px; }
  .faq-title { font-size: 20px; }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .modal-card { padding: 24px; }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .related-card:last-child { grid-column: 1 / -1; }
  .article-title { font-size: 30px; }
}

/* roulang page: category1 */
:root {
  --primary: #2B6FA3;
  --primary-dark: #205886;
  --primary-light: #EAF3F9;
  --primary-ring: rgba(43, 111, 163, 0.3);
  --bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --gold: #C9A96A;
  --gold-dark: #B8955F;
  --green: #1E8E5A;
  --heading: #1B2A3A;
  --body: #3E4C59;
  --muted: #7B8794;
  --border: #E3EBF2;
  --outline: #D6E4EE;
  --danger: #C0392B;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 4px 16px rgba(27, 42, 58, 0.06);
  --shadow-hover: 0 8px 28px rgba(27, 42, 58, 0.10);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary-ring);
  outline-offset: 2px;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 249, 252, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 4px;
  height: 22px;
  background: var(--gold);
  border-radius: 2px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav .nav-list {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--heading);
  padding: 8px 2px;
  position: relative;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--heading);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--heading); }

/* ===== Page Hero ===== */
.page-hero {
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--border);
}
.page-hero-inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  align-items: center;
  gap: 48px;
}
.page-hero h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin: 0 0 14px;
  letter-spacing: 0.5px;
}
.hero-desc {
  font-size: 15px;
  color: #5A6875;
  margin: 0 0 24px;
  max-width: 520px;
  line-height: 1.7;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: gap 0.2s ease;
}
.text-link:hover { gap: 8px; }
.hero-bg {
  height: 270px;
  border-radius: 12px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
}

/* ===== Section Common ===== */
.section-head {
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 8px;
  letter-spacing: 0.2px;
}
.section-head p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* ===== Timeline ===== */
.timeline-section {
  padding: 72px 0 64px;
}
.timeline {
  position: relative;
  max-width: 780px;
  padding-left: 28px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--outline);
}
.timeline-item {
  position: relative;
  padding: 0 0 38px 28px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}
.timeline-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 6px;
  line-height: 1.4;
}
.timeline-body p {
  font-size: 14px;
  color: var(--body);
  margin: 0 0 10px;
  line-height: 1.65;
}
.timeline-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 8px;
}

/* ===== Guide Cards ===== */
.guide-section {
  padding: 72px 0 64px;
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.guide-grid {
  display: grid;
  gap: 30px;
}
.guide-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid #E5EEF5;
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.guide-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.guide-card:nth-child(even) .guide-img { order: 2; }
.guide-img {
  border-radius: 10px;
  overflow: hidden;
  background: var(--primary-light);
}
.guide-img img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}
.guide-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 10px;
  line-height: 1.4;
}
.guide-body p {
  font-size: 14px;
  color: var(--body);
  margin: 0 0 16px;
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0;
}
.faq-container { max-width: 820px; }
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: none;
  border: none;
  padding: 20px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
  text-align: left;
  font-family: inherit;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--outline);
  color: var(--primary);
  font-size: 16px;
  font-weight: 400;
  line-height: 1;
  background: #fff;
  transition: border-color 0.2s ease, background 0.2s ease;
  margin-left: 4px;
}
.faq-item.open .faq-icon {
  border-color: var(--primary);
  background: var(--primary-light);
}
.faq-answer {
  display: none;
  padding: 0 20px 22px 46px;
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
}
.faq-answer p { margin: 0; }

/* ===== CTA ===== */
.cta-section {
  padding: 48px 0 72px;
}
.cta-block {
  background: #214F73;
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  color: #FFFFFF;
}
.cta-block h2 {
  font-size: 24px;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0 0 10px;
  letter-spacing: 0.2px;
}
.cta-block > p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--primary); color: #FFFFFF; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 6px 16px rgba(43, 111, 163, 0.25); }
.btn-white { background: #FFFFFF; color: #214F73; }
.btn-white:hover { background: #F0E6D2; color: #1B2A3A; }
.btn-block { width: 100%; }
.cta-privacy {
  font-size: 12px;
  color: #B8D0E2;
  margin: 16px 0 0;
  line-height: 1.6;
}

/* ===== Exit Links ===== */
.page-exit {
  padding: 0 0 72px;
}
.page-exit-links {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}
.page-exit-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: color 0.2s ease;
}
.page-exit-links a:hover { color: var(--primary-dark); }

/* ===== Footer ===== */
.site-footer {
  background: #EFF5FA;
  border-top: 1px solid var(--border);
}
.footer-top {
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 4px;
  height: 22px;
  background: var(--gold);
  border-radius: 2px;
}
.footer-logo .logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: 0.5px;
}
.footer-desc {
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
  max-width: 340px;
  margin: 0;
}
.footer-heading {
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 16px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--primary); }
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact li {
  font-size: 14px;
  color: var(--body);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i {
  color: var(--primary);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-copyright,
.footer-domain-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27, 42, 58, 0.4);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-card {
  background: #FFFFFF;
  border-radius: 16px;
  width: 480px;
  max-width: 93%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  font-size: 22px;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  border-radius: 50%;
  transition: background 0.2s ease, color 0.2s ease;
}
.modal-close:hover {
  color: var(--heading);
  background: var(--primary-light);
}
.modal-card h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--heading);
  margin: 0 0 8px;
  letter-spacing: 0.2px;
}
.modal-sub {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 24px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
}
.form-group input,
.form-group select {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font-size: 14px;
  border: 1px solid var(--outline);
  border-radius: 8px;
  background: #FFFFFF;
  color: var(--body);
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(43, 111, 163, 0.15);
  outline: none;
}
.error-msg {
  display: none;
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
}
.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--danger);
}
.form-group.has-error .error-msg { display: block; }
.modal-privacy {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin: 16px 0 0;
  text-align: center;
}

/* ===== Breakpoints ===== */
@media (max-width: 991px) {
  .page-hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-bg { height: 220px; }
  .guide-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .guide-card:nth-child(even) .guide-img { order: 0; }
  .guide-img img { height: 200px; }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .header-inner { height: 64px; }
  .logo-text { font-size: 18px; }
  .main-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border);
    display: none;
    box-shadow: 0 8px 24px rgba(27, 42, 58, 0.08);
  }
  .main-nav.open { display: block; }
  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 10px 20px 14px;
  }
  .nav-list li { border-bottom: 1px solid #F0F5F9; }
  .nav-list li:last-child { border-bottom: none; }
  .nav-link {
    display: block;
    padding: 13px 0 13px 20px;
    font-size: 15px;
    position: relative;
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    right: auto;
    bottom: auto;
    width: 3px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
  }
  .nav-toggle { display: flex; }
  .page-hero { padding: 40px 0 48px; }
  .page-hero h1 { font-size: 26px; }
  .timeline-section { padding: 48px 0 40px; }
  .timeline { padding-left: 20px; }
  .timeline-item { padding-left: 18px; }
  .timeline-dot { left: -26px; }
  .guide-section { padding: 48px 0 40px; }
  .faq-section { padding: 48px 0; }
  .cta-section { padding: 0 0 48px; }
  .cta-block { padding: 36px 24px; }
  .cta-block h2 { font-size: 22px; }
  .page-exit { padding: 0 0 48px; }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 20px 32px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 20px;
  }
  .footer-desc { max-width: 100%; }
  .modal-card { padding: 28px 20px; max-width: 93%; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #2B6FA3;
            --primary-dark: #205886;
            --primary-deep: #214F73;
            --primary-light: #EAF3F9;
            --gold: #C9A96A;
            --gold-deep: #B8955F;
            --success: #1E8E5A;
            --text-head: #1B2A3A;
            --text-body: #3E4C59;
            --text-weak: #7B8794;
            --line: #E3EBF2;
            --stroke: #D6E4EE;
            --bg-page: #F5F9FC;
            --bg-card: #FFFFFF;
            --shadow-card: 0 4px 16px rgba(27, 42, 58, 0.06);
            --shadow-hover: 0 8px 28px rgba(27, 42, 58, 0.10);
            --radius: 12px;
            --radius-sm: 8px;
            --container: 1200px;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        /* ========== Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            font-variant-numeric: tabular-nums;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        input,
        select {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        /* focus 可见性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(43, 111, 163, 0.3);
            outline-offset: 2px;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            line-height: 1;
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(43, 111, 163, 0.25);
        }
        .btn-primary:active {
            background: #1B4A6D;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(43, 111, 163, 0.08);
            color: var(--primary);
        }
        .btn-full {
            width: 100%;
        }
        .btn-light {
            background: #fff;
            color: var(--primary-deep);
        }
        .btn-light:hover {
            background: var(--gold);
            color: #fff;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(245, 249, 252, 0.92);
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .2s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(27, 42, 58, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 4px;
            height: 24px;
            background: var(--gold);
            border-radius: 2px;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-head);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-head);
            padding: 6px 2px;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 1px;
            background: var(--primary);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            flex-shrink: 0;
            transition: gap .2s ease;
        }
        .header-cta:hover {
            color: var(--primary-dark);
            gap: 9px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            padding: 6px;
            flex-shrink: 0;
        }
        .menu-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-head);
            border-radius: 1px;
            transition: background .2s ease;
        }
        .menu-toggle:hover span {
            background: var(--primary);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-weak);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-head);
            font-weight: 500;
        }

        /* ========== Hero ========== */
        .page-hero {
            padding-top: 136px;
            padding-bottom: 64px;
            background: var(--bg-page);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            max-width: 560px;
        }
        .hero-content h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-head);
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: #5A6875;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.2);
        }

        /* ========== 通用区块 ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .section-head {
            margin-bottom: 44px;
            max-width: 680px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--text-head);
            line-height: 1.35;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ========== 时间线 ========== */
        .timeline-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .timeline-list {
            position: relative;
            padding-left: 28px;
        }
        .timeline-list::before {
            content: "";
            position: absolute;
            left: 5px;
            top: 8px;
            bottom: 8px;
            width: 1px;
            background: var(--stroke);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -27px;
            top: 8px;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--bg-page);
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-stage {
            font-size: 12px;
            font-weight: 600;
            color: var(--gold-deep);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .timeline-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 8px;
        }
        .timeline-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            max-width: 420px;
        }
        .timeline-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
        }

        /* ========== 错落卡片 ========== */
        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .insight-card {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid #E5EEF5;
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .insight-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .insight-card:nth-child(2) {
            margin-top: 48px;
        }
        .insight-card:nth-child(3) {
            margin-top: 0;
            grid-column: 1 / 2;
        }
        .insight-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 20px;
            transition: background .2s ease, color .2s ease;
        }
        .insight-card:hover .insight-icon {
            background: var(--gold);
            color: #fff;
        }
        .insight-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 8px;
        }
        .insight-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
        }

        /* ========== 对照表 ========== */
        .glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .glossary-item {
            display: flex;
            gap: 20px;
            padding: 32px;
            background: var(--bg-page);
            border-radius: var(--radius);
            border: 1px solid var(--line);
            transition: box-shadow .2s ease;
        }
        .glossary-item:hover {
            box-shadow: var(--shadow-card);
        }
        .glossary-item::before {
            content: "";
            width: 4px;
            height: 44px;
            border-radius: 2px;
            background: var(--gold);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .glossary-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 6px;
        }
        .glossary-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 24px 0;
        }
        .faq-item:first-of-type {
            border-top: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-head);
            padding: 0;
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 500;
            flex-shrink: 0;
            transition: transform .3s ease, background .2s ease, color .2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding-left: 40px;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-top: 12px;
            padding-bottom: 4px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-page);
        }
        .cta-box {
            background: var(--primary-deep);
            border-radius: 16px;
            padding: 48px 56px;
            text-align: center;
        }
        .cta-box h2 {
            font-size: 26px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }
        .cta-privacy {
            font-size: 12px;
            color: #B8D0E2 !important;
            margin-top: 16px;
            margin-bottom: 0 !important;
        }

        /* ========== 底部导航链接 ========== */
        .page-bottom-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            padding: 40px 0 64px;
            background: var(--bg-page);
        }
        .page-bottom-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .page-bottom-links a:hover {
            gap: 10px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #EFF5FA;
            border-top: 1px solid var(--line);
        }
        .footer-top {
            max-width: var(--container);
            margin: 0 auto;
            padding: 48px 24px 40px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo .logo-mark {
            width: 4px;
            height: 22px;
        }
        .footer-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-head);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-body);
            max-width: 320px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 16px;
        }
        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-body);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact {
            font-size: 14px;
            color: var(--text-body);
        }
        .footer-contact i {
            color: var(--primary);
            width: 20px;
            margin-right: 6px;
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
        }
        .footer-bottom-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-copyright,
        .footer-domain-note {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ========== 表单弹层 ========== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(27, 42, 58, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity .25s ease;
        }
        .modal-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .modal {
            background: #fff;
            border-radius: 16px;
            width: 480px;
            max-width: 100%;
            padding: 32px;
            position: relative;
            transform: translateY(8px);
            transition: transform .25s ease;
            box-shadow: 0 20px 60px rgba(27, 42, 58, 0.18);
        }
        .modal-overlay.active .modal {
            transform: translateY(0);
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-weak);
            transition: background .2s ease, color .2s ease;
        }
        .modal-close:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .modal h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            height: 44px;
            border: 1px solid var(--stroke);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-head);
            background: #fff;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 111, 163, 0.15);
        }
        .form-group input.error,
        .form-group select.error {
            border-color: #C0392B;
        }
        .error-msg {
            font-size: 12px;
            color: #C0392B;
            margin-top: 4px;
            display: none;
        }
        .modal-privacy {
            font-size: 12px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-top: 16px;
            text-align: center;
        }
        body.modal-open {
            overflow: hidden;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-visual img {
                height: 260px;
            }
            .timeline-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .timeline-visual img {
                height: 240px;
            }
            .insight-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .insight-card:nth-child(2) {
                margin-top: 0;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--line);
                display: none;
                padding: 8px 20px 20px;
                box-shadow: 0 10px 30px rgba(27, 42, 58, 0.08);
            }
            .main-nav.open {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .nav-link {
                display: block;
                height: 44px;
                line-height: 44px;
                font-size: 15px;
                font-weight: 500;
                padding: 0;
            }
            .nav-link.active {
                color: var(--primary);
            }
            .nav-link.active::after {
                content: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--primary);
                padding-left: 12px;
            }
            .header-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .page-hero {
                padding-top: 104px;
                padding-bottom: 48px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .insight-card {
                flex-direction: column;
                padding: 24px;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 40px 28px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 20px 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                padding: 16px 20px;
            }
            .timeline-item p {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }
            .btn {
                width: 100%;
            }
            .hero-visual img {
                height: 200px;
            }
            .timeline-visual img {
                height: 190px;
            }
            .page-bottom-links {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .modal {
                padding: 24px;
            }
        }