/* roulang page: index */
/* ========== Design Tokens ========== */
:root {
  --color-primary: #174A7C;
  --color-primary-light: #EAF2FB;
  --color-secondary: #C9A063;
  --color-accent: #FF7A59;
  --color-text-main: #20303F;
  --color-text-sub: #5B6B7A;
  --color-border: #DCE5EC;
  --color-bg: #F6F8FA;
  --color-card-bg: #FFFFFF;
  --color-footer-bg: #0E2540;
  --shadow-sm: 0 2px 8px rgba(23, 74, 124, 0.06);
  --shadow-md: 0 4px 20px rgba(23, 74, 124, 0.08);
  --shadow-lg: 0 12px 32px rgba(23, 74, 124, 0.12);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 4px;
  --radius-icon: 50%;
  --transition: 0.25s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-main);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: #1B5B9E;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 16px 0;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-main);
}
h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  color: var(--color-primary);
}
h2 {
  font-size: clamp(1.75rem, 3vw, 2rem);
  margin-bottom: 32px;
}
h3 {
  font-size: 1.25rem;
}
p {
  margin: 0 0 16px 0;
}
:focus-visible {
  outline: 3px solid rgba(23, 74, 124, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ========== Layout Utilities ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 90px 0;
}
.section-bg-white {
  background: #FFFFFF;
}
.section-bg-gray {
  background: var(--color-bg);
}
.section-bg-lightblue {
  background: var(--color-primary-light);
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-header .eyebrow {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--color-text-sub);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF !important;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: #1B5B9E;
  border-color: #1B5B9E;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(23, 74, 124, 0.2);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary) !important;
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(23, 74, 124, 0.08);
  transform: translateY(-2px);
}
.btn-light {
  background: #FFFFFF;
  color: var(--color-primary) !important;
  border-color: #FFFFFF;
}
.btn-light:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

/* ========== Header / Navigation ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(220, 229, 236, 0.5);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.scrolled {
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(23, 74, 124, 0.06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 1.1rem;
}
.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 16px;
  color: var(--color-text-main);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}
.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.main-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
}
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}
.nav-cta {
  margin-left: 8px;
  padding: 9px 22px;
  font-size: 0.875rem;
  white-space: nowrap;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}
.hamburger:hover {
  background: var(--color-primary-light);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Mobile Nav Drawer ========== */
@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    top: 68px;
    right: -320px;
    width: 300px;
    height: calc(100vh - 68px);
    background: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: -8px 0 30px rgba(23, 74, 124, 0.12);
    z-index: 999;
  }
  .main-nav.open {
    right: 0;
  }
  .main-nav a {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 10px;
  }
  .main-nav a.active::after {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .hamburger {
    display: block;
    z-index: 1001;
  }
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 130px 0 120px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(234, 242, 251, 0.55);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(246, 248, 250, 0.1) 0%, var(--color-bg) 100%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-content {
  max-width: 640px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero h1 {
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(220, 229, 236, 0.7);
}
.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}

/* ========== Brand Story ========== */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.story-text .text-block {
  margin-bottom: 20px;
  color: var(--color-text-sub);
  line-height: 1.8;
}
.story-text .text-block strong {
  color: var(--color-text-main);
  font-weight: 600;
}
.story-image {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.story-image .story-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  padding: 12px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* ========== Feature Cards ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  border: 1px solid rgba(220, 229, 236, 0.6);
  box-shadow: var(--shadow-md);
  padding: 32px 24px 28px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: all var(--transition);
}
.feature-card:hover .feature-icon {
  background: var(--color-primary);
  color: #fff;
}
.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--color-text-sub);
  font-size: 0.9375rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}
.feature-card .card-link {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.feature-card .card-link:hover {
  gap: 10px;
}

/* ========== News List (CMS) ========== */
.news-section {
  background: var(--color-bg);
}
.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.news-header h2 {
  margin: 0;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-primary);
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background: #fff;
  transition: all var(--transition);
}
.news-more:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  gap: 10px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-card-bg);
  border: 1px solid rgba(220, 229, 236, 0.6);
  border-radius: var(--radius-card);
  padding: 22px 26px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.news-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(23, 74, 124, 0.15);
  transform: translateX(4px);
}
.news-item:hover::before {
  opacity: 1;
}
.news-tag {
  flex-shrink: 0;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  min-width: 60px;
  text-align: center;
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-content .news-title {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-main);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--transition);
}
.news-item:hover .news-title {
  color: var(--color-primary);
}
.news-content .news-summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.6;
}
.news-date {
  flex-shrink: 0;
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  white-space: nowrap;
}
.empty-state {
  background: #fff;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
  padding: 60px 24px;
  text-align: center;
  color: var(--color-text-sub);
  font-size: 0.9375rem;
}

/* ========== Trust Bar ========== */
.trust-section {
  background: var(--color-primary-light);
  padding: 48px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-card);
  transition: background var(--transition);
}
.trust-item:hover {
  background: rgba(255, 255, 255, 0.5);
}
.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.trust-label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-main);
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.active {
  border-color: rgba(23, 74, 124, 0.2);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  user-select: none;
}
.faq-q-icon {
  background: var(--color-primary-light);
  color: var(--color-primary);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-question h3 {
  font-size: 1rem;
  margin: 0;
  flex: 1;
}
.faq-toggle {
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-primary);
  transition: all var(--transition);
  flex-shrink: 0;
  background: #fff;
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.faq-answer {
  display: none;
  padding: 0 22px 20px 64px;
  font-size: 0.9375rem;
  color: var(--color-text-sub);
  line-height: 1.75;
  background: #F8FAFC;
}
.faq-item.active .faq-answer {
  display: block;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--color-footer-bg);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(23, 74, 124, 0.4) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  margin-bottom: 12px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.0625rem;
  margin-bottom: 36px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-form .form-input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  min-width: 260px;
  transition: all var(--transition);
}
.cta-form .form-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}
.cta-form .form-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(201, 160, 99, 0.2);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, 0.65);
  padding: 0;
}
.footer-main {
  padding: 60px 0 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  background: var(--color-secondary);
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 1.1rem;
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
}
.footer-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  transition: all var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact li i {
  width: 20px;
  color: var(--color-secondary);
}
.footer-bottom {
  padding: 24px 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* ========== Responsive ========== */
@media (max-width: 1023px) {
  .section {
    padding: 70px 0;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .story-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero {
    padding: 100px 0 80px;
  }
}
@media (max-width: 767px) {
  .section {
    padding: 50px 0;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .trust-item {
    padding: 10px 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero {
    padding: 70px 0 60px;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 24px;
  }
  .news-item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 18px;
  }
  .news-tag {
    min-width: auto;
  }
  .news-content .news-summary {
    -webkit-line-clamp: 2;
  }
  .news-date {
    width: 100%;
    text-align: left;
  }
  .cta-form {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-form .form-input,
  .cta-form .btn {
    width: 100%;
  }
  .footer-bottom .container {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}
@media (max-width: 575px) {
  .feature-card {
    padding: 20px 16px;
  }
  .news-item {
    padding: 14px;
  }
  .faq-answer {
    padding: 0 16px 16px 50px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Back to Top ========== */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  border: none;
  cursor: pointer;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
}
.back-top:hover {
  background: #1B5B9E;
  transform: translateY(-3px);
}

/* ========== Foundation Overrides ========== */
.grid-container {
  max-width: 1200px;
  padding: 0 20px;
}
.cell {
  padding: 0;
}

/* roulang page: category1 */
:root {
  --color-primary: #174A7C;
  --color-primary-light: #EAF2FB;
  --color-secondary: #C9A063;
  --color-accent: #FF7A59;
  --color-text-main: #20303F;
  --color-text-sub: #5B6B7A;
  --color-border: #DCE5EC;
  --color-bg: #F6F8FA;
  --color-card-bg: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(23, 74, 124, 0.06);
  --shadow-md: 0 4px 20px rgba(23, 74, 124, 0.08);
  --shadow-lg: 0 12px 32px rgba(23, 74, 124, 0.12);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 4px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-main);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: #1B5B9E; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #FFFFFF;
  border-bottom: 1px solid rgba(23, 74, 124, 0.06);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled { box-shadow: 0 4px 16px rgba(23, 74, 124, 0.06); }
.header-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}
.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.main-nav a {
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: 30px;
  transition: all 0.25s ease;
  position: relative;
}
.main-nav a:hover { color: var(--color-primary); background: var(--color-primary-light); }
.main-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
}
.header-cta {
  margin-left: 12px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  gap: 8px;
  line-height: 1.4;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: #1B5B9E;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: rgba(23, 74, 124, 0.08);
  color: var(--color-primary);
}
.btn-light {
  background: #fff;
  color: var(--color-primary);
}
.btn-light:hover { background: var(--color-primary-light); color: var(--color-primary); }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}
@media (max-width: 1023px) {
  .menu-toggle { display: block; }
  .nav-wrapper {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: #fff;
    box-shadow: var(--shadow-lg);
    transition: right 0.3s ease;
    padding: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
  }
  .nav-wrapper.open { right: 0; }
  .main-nav {
    flex-direction: column;
    align-items: flex-start;
    margin: 0;
    gap: 4px;
  }
  .main-nav a { font-size: 1.05rem; padding: 12px 16px; width: 100%; border-radius: 8px; }
  .header-cta { margin: 16px 0 0; width: 100%; }
  .header-cta .btn { width: 100%; }
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(32, 48, 63, 0.4);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
  }
  .nav-overlay.show { opacity: 1; visibility: visible; }
}
@media (max-width: 576px) {
  .logo-text { font-size: 1rem; }
  .header-inner { gap: 12px; }
}
/* Hero */
.page-hero {
  background: linear-gradient(135deg, rgba(23, 74, 124, 0.12), rgba(234, 242, 251, 0.02)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 100px 0 80px;
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(246, 248, 250, 0.55);
  backdrop-filter: blur(2px);
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.page-hero h1 .light {
  font-weight: 300;
  color: var(--color-text-sub);
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-sub);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
@media (max-width: 576px) {
  .page-hero { padding: 70px 0 50px; }
  .hero-actions .btn { width: 100%; }
}
/* Section */
.section { padding: 90px 0; }
.section-alt { background: #fff; }
.section-header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--color-text-sub);
  font-size: 1rem;
  line-height: 1.7;
}
.section-header.left { text-align: left; margin-left: 0; }
/* Intro split */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.35;
  margin-bottom: 20px;
}
.split-text p {
  color: var(--color-text-sub);
  margin-bottom: 20px;
  line-height: 1.8;
}
.split-text .feature-list { margin-top: 28px; }
.split-text .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--color-text-main);
}
.split-text .feature-list i {
  color: var(--color-primary);
  margin-top: 4px;
  font-size: 1rem;
  flex-shrink: 0;
}
.split-image { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-md); }
.split-image img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }
@media (max-width: 768px) {
  .split-layout { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 70px 0; }
}
/* Feature Blocks */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-block {
  background: var(--color-card-bg);
  border: 1px solid rgba(220, 229, 236, 0.6);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 20px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.feature-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.feature-block:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-block:hover::before { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.feature-block h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
}
.feature-block p {
  color: var(--color-text-sub);
  font-size: 0.925rem;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature-block { padding: 24px; flex-direction: column; gap: 16px; }
}
/* Scene */
.scene-section { background: var(--color-primary-light); }
.scene-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene-item {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  text-align: center;
}
.scene-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.scene-item .scene-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--color-primary);
  font-size: 1.3rem;
}
.scene-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--color-text-main); }
.scene-item p { color: var(--color-text-sub); font-size: 0.9rem; line-height: 1.6; }
@media (max-width: 768px) {
  .scene-list { grid-template-columns: 1fr; }
}
/* Steps */
.steps-wrap { display: flex; gap: 24px; max-width: 960px; margin: 0 auto; }
.step-item { flex: 1; text-align: center; position: relative; }
.step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.step-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; color: var(--color-text-main); }
.step-item p { color: var(--color-text-sub); font-size: 0.875rem; line-height: 1.6; }
.step-item:not(:last-child)::after {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: -18px;
  top: 15px;
  color: var(--color-secondary);
  font-size: 1.2rem;
}
@media (max-width: 768px) {
  .steps-wrap { flex-direction: column; max-width: 360px; }
  .step-item:not(:last-child)::after { display: none; }
}
/* FAQ */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid rgba(220, 229, 236, 0.6);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}
.faq-item.open { box-shadow: var(--shadow-sm); border-color: rgba(23, 74, 124, 0.2); }
.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
}
.faq-q .q-mark {
  width: 32px;
  height: 32px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.faq-q .q-text {
  font-weight: 600;
  color: var(--color-text-main);
  font-size: 1rem;
  flex: 1;
}
.faq-q .q-icon {
  transition: transform 0.3s ease;
  color: var(--color-primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.faq-item.open .q-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a-inner {
  padding: 0 24px 20px 70px;
  color: var(--color-text-sub);
  font-size: 0.925rem;
  line-height: 1.8;
}
/* CTA */
.cta-section { background: var(--color-primary); padding: 80px 0; position: relative; overflow: hidden; }
.cta-section::after {
  content: '';
  position: absolute;
  top: -60px; right: -40px;
  width: 220px; height: 220px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}
.cta-section::before {
  content: '';
  position: absolute;
  bottom: -80px; left: -60px;
  width: 280px; height: 280px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,0.85); margin-bottom: 32px; font-size: 1rem; line-height: 1.7; }
.cta-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
.cta-form input {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius-btn);
  border: none;
  font-size: 0.925rem;
  background: #fff;
  color: var(--color-text-main);
  outline: none;
  transition: box-shadow 0.25s ease;
}
.cta-form input:focus { box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3); }
.cta-form .btn-light { background: var(--color-secondary); color: #fff; border: none; white-space: nowrap; }
.cta-form .btn-light:hover { background: #b89050; color: #fff; }
@media (max-width: 576px) {
  .cta-form { flex-direction: column; }
  .cta-form .btn-light { width: 100%; }
}
/* Footer */
.site-footer { background: #0E2540; color: rgba(255,255,255,0.7); }
.footer-main { padding: 70px 0 50px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.12); color: #fff; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
.footer-title { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.875rem; transition: all 0.25s ease; }
.footer-links a:hover { color: var(--color-secondary); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.footer-contact i { color: var(--color-secondary); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { padding: 50px 0 30px; }
}
@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
/* Back to top */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: #1B5B9E; transform: translateY(-3px); }
@media (max-width: 576px) {
  .back-top { bottom: 20px; right: 20px; width: 38px; height: 38px; }
}
/* Reveal anim */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* roulang page: article */
:root {
  --color-primary: #174A7C;
  --color-primary-dark: #122C46;
  --color-primary-hover: #1B5B9E;
  --color-primary-light: #EAF2FB;
  --color-secondary: #C9A063;
  --color-accent: #FF7A59;
  --color-text-main: #20303F;
  --color-text-sub: #5B6B7A;
  --color-border: #DCE5EC;
  --color-bg: #F6F8FA;
  --color-card-bg: #FFFFFF;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 4px;
  --shadow-sm: 0 2px 8px rgba(23, 74, 124, 0.06);
  --shadow-md: 0 4px 20px rgba(23, 74, 124, 0.08);
  --shadow-lg: 0 12px 32px rgba(23, 74, 124, 0.12);
  --transition: 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html, body { -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-main);
  background: var(--color-bg);
}

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

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

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

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--color-text-main); }

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

button:focus, a:focus, input:focus { outline: 3px solid rgba(23, 74, 124, 0.28); outline-offset: 2px; border-radius: 6px; }

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

/* ------- Header / Nav ------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  height: 68px;
  box-shadow: 0 1px 0 rgba(23, 74, 124, 0.06);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 16px rgba(23, 74, 124, 0.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: var(--shadow-sm);
}
.logo-text { font-size: 1.125rem; font-weight: 700; color: var(--color-text-main); white-space: nowrap; letter-spacing: 0.01em; }

.main-nav { display: flex; gap: 6px; align-items: center; margin: 0 8px; }
.main-nav a {
  padding: 8px 15px; border-radius: 8px;
  font-size: 0.9375rem; font-weight: 500;
  color: var(--color-text-main);
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover { background: var(--color-primary-light); color: var(--color-primary); }
.main-nav a.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-btn);
  font-weight: 600; font-size: 0.9375rem; line-height: 1.4;
  text-align: center; border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition);
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: rgba(23, 74, 124, 0.08); color: var(--color-primary); }
.btn-light { background: #fff; color: var(--color-primary); }
.btn-light:hover { background: var(--color-primary-light); color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-sm { padding: 9px 18px; font-size: 0.875rem; }
.btn-lg { padding: 14px 36px; font-size: 1rem; }

.menu-toggle {
  display: none; background: none; border: none;
  font-size: 1.375rem; color: var(--color-primary);
  cursor: pointer; width: 42px; height: 42px;
  border-radius: 8px; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.menu-toggle:hover { background: var(--color-primary-light); }

/* mobile drawer */
.mobile-menu-overlay {
  position: fixed; inset: 0; background: rgba(18, 44, 70, 0.55);
  z-index: 1999; opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }

.mobile-menu {
  position: fixed; top: 0; right: -100%;
  width: min(320px, 82vw); height: 100%;
  background: #fff; z-index: 2000;
  display: flex; flex-direction: column;
  padding: 24px 20px; margin: 0;
  box-shadow: -8px 0 32px rgba(23, 74, 124, 0.18);
  transition: right 0.35s ease;
}
.mobile-menu.open { right: 0; }
.mobile-menu-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.mobile-close { background: none; border: none; font-size: 1.375rem; color: var(--color-text-main); cursor: pointer; width: 40px; height: 40px; border-radius: 8px; transition: background var(--transition); }
.mobile-close:hover { background: var(--color-primary-light); }
.mobile-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { padding: 13px 14px; border-radius: 10px; font-size: 1.0625rem; color: var(--color-text-main); font-weight: 500; transition: all var(--transition); }
.mobile-nav a:hover, .mobile-nav a.active { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-cta { margin-top: auto; width: 100%; }

/* ------- Page Banner / Breadcrumb ------- */
.page-banner {
  position: relative;
  padding: 44px 0 40px;
  background: url('/assets/images/backpic/back-2.png') center top / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
}
.banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(234, 242, 251, 0.92), rgba(246, 248, 250, 0.78));
}
.page-banner .container { position: relative; z-index: 2; }

.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 8px; font-size: 0.875rem; color: var(--color-text-sub);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--color-text-sub); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--color-border); }
.breadcrumb .current { color: var(--color-text-main); font-weight: 500; max-width: 420px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.banner-tag {
  display: inline-block; padding: 5px 14px; border-radius: var(--radius-tag);
  background: var(--color-primary); color: #fff;
  font-size: 0.8125rem; font-weight: 600; margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.banner-title h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.3; color: var(--color-primary);
  max-width: 820px; font-weight: 700;
}
.banner-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 16px; font-size: 0.875rem; color: var(--color-text-sub); }
.banner-meta span { display: inline-flex; align-items: center; gap: 7px; }
.banner-meta i { color: var(--color-secondary); font-size: 0.875rem; }

/* ------- Article Main ------- */
.article-section { padding: 44px 0 56px; }

.article-body {
  max-width: 760px; margin: 0 auto;
  background: var(--color-card-bg);
  padding: 44px 48px 50px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(220, 229, 236, 0.65);
}

.article-content { font-size: 1.0625rem; line-height: 1.85; color: var(--color-text-main); word-wrap: break-word; }
.article-content p { margin: 0 0 1.45em; }
.article-content h2 {
  font-size: 1.5rem; margin: 2em 0 0.8em;
  padding-top: 0.3em; padding-bottom: 0.45em;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-primary);
}
.article-content h3 { font-size: 1.25rem; margin: 1.6em 0 0.65em; color: var(--color-text-main); }
.article-content h4 { font-size: 1.0625rem; margin: 1.3em 0 0.5em; }
.article-content ul { list-style: disc; padding-left: 1.5em; margin-bottom: 1.4em; }
.article-content ol { list-style: decimal; padding-left: 1.5em; margin-bottom: 1.4em; }
.article-content li { margin-bottom: 0.5em; }
.article-content blockquote {
  border-left: 4px solid var(--color-secondary);
  background: var(--color-primary-light);
  padding: 16px 22px; margin: 1.6em 0;
  border-radius: 0 8px 8px 0;
  color: var(--color-text-sub);
  line-height: 1.75;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img { border-radius: 12px; margin: 1.6em auto; box-shadow: var(--shadow-sm); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 0.9375rem; }
.article-content th { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; padding: 10px 12px; border: 1px solid var(--color-border); text-align: left; }
.article-content td { padding: 10px 12px; border: 1px solid var(--color-border); }
.article-content code { background: var(--color-primary-light); color: var(--color-primary); padding: 2px 8px; border-radius: 5px; font-size: 0.9em; font-family: "SFMono-Regular", Consolas, monospace; }
.article-content pre { background: #122C46; color: #DCE5EC; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 1.6em 0; font-size: 0.9rem; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content a { text-decoration: underline; text-underline-offset: 3px; }

/* not found */
.not-found {
  max-width: 760px; margin: 0 auto;
  text-align: center; background: var(--color-card-bg);
  border-radius: var(--radius-card); padding: 68px 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(220, 229, 236, 0.65);
}
.not-found i { font-size: 2.75rem; color: var(--color-secondary); margin-bottom: 18px; display: block; }
.not-found h2 { font-size: 1.375rem; color: var(--color-primary); margin-bottom: 12px; }
.not-found p { color: var(--color-text-sub); margin-bottom: 28px; font-size: 0.9375rem; }

/* bottom nav */
.article-footer-nav {
  max-width: 760px; margin: 26px auto 0;
  display: flex; justify-content: space-between; gap: 16px;
}
.article-footer-nav .btn { flex: 1; min-width: 0; }

/* ------- Related Section ------- */
.related-section { padding: 16px 0 72px; background: var(--color-bg); }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 30px; }
.section-head h2 { font-size: 1.75rem; color: var(--color-primary); }
.section-head .more { display: inline-flex; align-items: center; gap: 8px; font-size: 0.9375rem; font-weight: 500; color: var(--color-text-sub); transition: color var(--transition); }
.section-head .more:hover { color: var(--color-primary); }

.related-grid { display: flex; flex-wrap: wrap; margin: 0 -12px; }
.related-grid > .cell { flex: 0 0 calc(33.333% - 24px); max-width: calc(33.333% - 24px); margin: 0 12px 24px; }

.related-card {
  display: block; background: var(--color-card-bg); height: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(220, 229, 236, 0.65);
  overflow: hidden; transition: all var(--transition);
}
.related-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.related-card .thumb { width: 100%; height: 180px; object-fit: cover; }
.related-card .card-body { padding: 20px 22px 24px; }
.related-card .tag { display: inline-block; padding: 4px 10px; border-radius: var(--radius-tag); background: var(--color-primary-light); color: var(--color-primary); font-size: 0.75rem; font-weight: 600; margin-bottom: 10px; letter-spacing: 0.02em; }
.related-card h3 { font-size: 1.0625rem; line-height: 1.45; margin-bottom: 8px; color: var(--color-text-main); transition: color var(--transition); }
.related-card:hover h3 { color: var(--color-primary); }
.related-card .summary { font-size: 0.875rem; color: var(--color-text-sub); line-height: 1.6; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ------- CTA Section ------- */
.cta-section { background: var(--color-primary-dark); padding: 60px 0; color: #fff; text-align: center; }
.cta-section h2 { color: #fff; font-size: clamp(1.375rem, 2.6vw, 1.75rem); margin-bottom: 12px; }
.cta-section p { color: rgba(255, 255, 255, 0.78); font-size: 1rem; margin-bottom: 26px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-section .btn { min-width: 170px; }

/* ------- Footer ------- */
.site-footer { background: #122C46; color: #AFC3D4; }
.footer-main { padding: 62px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-icon { background: rgba(255, 255, 255, 0.12); color: #fff; }
.footer-brand .logo-text { color: #fff; font-size: 1.125rem; }
.footer-brand p { font-size: 0.906rem; line-height: 1.75; color: #8EA7BA; margin: 0; max-width: 320px; }
.footer-title { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #8EA7BA; font-size: 0.906rem; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; font-size: 0.906rem; color: #8EA7BA; line-height: 1.5; }
.footer-contact i { color: var(--color-secondary); width: 16px; text-align: center; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.8125rem; color: #7894A8; }

/* ------- Responsive ------- */
@media (max-width: 1024px) {
  .menu-toggle { display: flex; }
  .main-nav { display: none; }
  .header-actions .btn-sm { display: none; }
  .related-grid > .cell { flex: 0 0 calc(50% - 24px); max-width: calc(50% - 24px); }
}

@media (max-width: 768px) {
  .page-banner { padding: 34px 0 30px; }
  .banner-title h1 { font-size: 1.5rem; }
  .banner-meta { gap: 12px; font-size: 0.8125rem; }
  .article-body { padding: 30px 24px 36px; }
  .article-footer-nav { flex-direction: column; }
  .article-footer-nav .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .cta-section { padding: 50px 0; }
}

@media (max-width: 640px) {
  .related-grid > .cell { flex: 0 0 100%; max-width: 100%; margin-right: 12px; margin-left: 12px; }
  .related-card .thumb { height: 170px; }
}

@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .header-inner { gap: 8px; }
  .logo-text { font-size: 1rem; }
  .page-banner { padding: 28px 0 24px; }
  .banner-title h1 { font-size: 1.375rem; }
  .banner-meta { gap: 10px; }
  .breadcrumb { font-size: 0.8125rem; margin-bottom: 14px; }
  .breadcrumb .current { max-width: 180px; }
  .article-section { padding: 28px 0 40px; }
  .article-body { padding: 24px 18px 30px; }
  .article-content { font-size: 1rem; line-height: 1.8; }
  .article-content table { display: block; overflow-x: auto; white-space: nowrap; }
  .related-grid > .cell { margin-left: 0; margin-right: 0; }
  .related-card .thumb { height: 150px; }
  .section-head h2 { font-size: 1.375rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-section { padding: 42px 0; }
  .cta-section .btn { width: 100%; min-width: 0; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .not-found { padding: 44px 20px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #174A7C;
            --color-primary-light: #EAF2FB;
            --color-secondary: #C9A063;
            --color-accent: #FF7A59;
            --color-text-main: #20303F;
            --color-text-sub: #5B6B7A;
            --color-border: #DCE5EC;
            --color-bg: #F6F8FA;
            --color-card-bg: #FFFFFF;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-sm: 0 2px 10px rgba(23, 74, 124, 0.05);
            --shadow-md: 0 4px 20px rgba(23, 74, 124, 0.08);
            --shadow-lg: 0 12px 32px rgba(23, 74, 124, 0.12);
            --transition: 0.25s ease;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            color: var(--color-text-main);
            background: var(--color-bg);
            font-size: 1rem;
            line-height: 1.75;
        }

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

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

        a:hover {
            color: #1B5B9E;
        }

        ul,
        ol {
            list-style: none;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        /* ========== 通用 Section 间距 ========== */
        .section {
            padding: 90px 0;
        }

        .section-alt {
            background: var(--color-card-bg);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--color-text-sub);
            font-size: 1.0625rem;
            max-width: 720px;
            margin-bottom: 48px;
        }

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

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(220, 229, 236, 0.7);
            box-shadow: 0 1px 0 rgba(23, 74, 124, 0.04);
            height: 68px;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #174A7C 0%, #2D6A9F 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }

        .logo-text {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .logo-text .logo-sub {
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--color-text-sub);
            display: block;
        }

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

        .main-nav a {
            display: block;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text-main);
            transition: all var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .main-nav a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #1B5B9E;
            color: #fff;
            box-shadow: 0 6px 18px rgba(23, 74, 124, 0.22);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-primary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(23, 74, 124, 0.06);
            color: var(--color-primary);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--color-primary);
            background: #fff;
            transition: all var(--transition);
        }

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

        /* ========== 分类页 Hero ========== */
        .category-hero {
            position: relative;
            padding: 120px 0 110px;
            background-image: linear-gradient(to bottom, rgba(234, 242, 251, 0.9) 0%, rgba(246, 248, 250, 0.92) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--color-border);
        }

        .category-hero .hero-inner {
            max-width: 780px;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(23, 74, 124, 0.12);
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.25rem);
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .category-hero h1 .light-word {
            font-weight: 400;
        }

        .category-hero .hero-desc {
            font-size: 1.125rem;
            color: var(--color-text-sub);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 36px;
        }

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

        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 56px;
            padding-top: 32px;
            border-top: 1px solid rgba(23, 74, 124, 0.1);
        }

        .hero-metrics .metric-item {
            padding-right: 32px;
            border-right: 1px solid rgba(23, 74, 124, 0.1);
        }

        .hero-metrics .metric-item:last-child {
            border-right: none;
            padding-right: 0;
        }

        .hero-metrics .metric-num {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .hero-metrics .metric-label {
            font-size: 0.875rem;
            color: var(--color-text-sub);
            margin-top: 4px;
        }

        /* ========== 行业脉搏区 ========== */
        .pulse-section {
            background: var(--color-bg);
        }

        .pulse-section .section-title {
            margin-bottom: 36px;
        }

        .pulse-card {
            background: var(--color-card-bg);
            border: 1px solid rgba(220, 229, 236, 0.6);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }

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

        .pulse-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--color-primary);
            margin-bottom: 20px;
        }

        .pulse-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .pulse-card p {
            font-size: 0.9375rem;
            color: var(--color-text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .pulse-card .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .pulse-card .card-link:hover {
            gap: 10px;
            color: #1B5B9E;
        }

        /* ========== 图文导读区 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .feature-grid.reversed {
            direction: rtl;
        }

        .feature-grid.reversed>* {
            direction: ltr;
        }

        .feature-content .section-title {
            margin-bottom: 20px;
        }

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

        .feature-list {
            margin-top: 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.9375rem;
            color: var(--color-text-main);
            line-height: 1.6;
        }

        .feature-list li i {
            color: var(--color-primary);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            line-height: 0;
        }

        .feature-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }

        .feature-img:hover img {
            transform: scale(1.03);
        }

        /* ========== 数据指标条 ========== */
        .stats-band {
            background: var(--color-primary);
            padding: 64px 0;
        }

        .stats-band .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stats-band .stat-num {
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stats-band .stat-label {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== 焦点内容列表 ========== */
        .focus-list {
            margin-top: 20px;
        }

        .focus-item {
            display: flex;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition);
            align-items: flex-start;
        }

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

        .focus-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .focus-item .focus-date {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            background: var(--color-primary-light);
            border-radius: var(--radius-md);
            padding: 12px 8px;
        }

        .focus-item .focus-date .day {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .focus-item .focus-date .month {
            font-size: 0.75rem;
            color: var(--color-text-sub);
            margin-top: 2px;
        }

        .focus-item .focus-content h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition);
        }

        .focus-item .focus-content h3:hover {
            color: var(--color-primary);
        }

        .focus-item .focus-content p {
            font-size: 0.9375rem;
            color: var(--color-text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .focus-item .focus-tag {
            display: inline-flex;
            align-items: center;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 100px;
            margin-top: 10px;
        }

        /* ========== 读者对象 ========== */
        .audience-section {
            background: var(--color-card-bg);
        }

        .audience-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }

        .audience-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            background: var(--color-primary-light);
            border-color: rgba(23, 74, 124, 0.2);
        }

        .audience-card .aud-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.375rem;
            color: var(--color-primary);
            margin: 0 auto 18px;
            box-shadow: var(--shadow-sm);
        }

        .audience-card h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 10px;
        }

        .audience-card p {
            font-size: 0.9375rem;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

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

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

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

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

        .faq-item.active {
            box-shadow: var(--shadow-md);
            border-color: rgba(23, 74, 124, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: background var(--transition);
            user-select: none;
        }

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

        .faq-q {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-question .faq-text {
            flex: 1;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-main);
            line-height: 1.5;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            color: var(--color-primary);
            transition: all var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 0 24px 24px 72px;
            font-size: 0.9375rem;
            color: var(--color-text-sub);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: clamp(1.75rem, 3vw, 2.375rem);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.0625rem;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .cta-section .btn-light {
            background: #fff;
            color: var(--color-primary);
            border: 1px solid transparent;
            padding: 12px 32px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

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

        .cta-section .btn-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 12px 32px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .cta-section .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #122C46;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 0;
        }

        .footer-main {
            padding: 70px 0 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 18px;
        }

        .footer-brand .logo .logo-text {
            color: #fff;
        }

        .footer-brand .logo .logo-sub {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, 0.15);
        }

        .footer-brand p {
            font-size: 0.9375rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9375rem;
            transition: color var(--transition);
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9375rem;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-contact i {
            color: var(--color-secondary);
            margin-top: 4px;
            font-size: 0.875rem;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
            font-size: 0.875rem;
        }

        .breadcrumb-bar .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--color-border);
            font-size: 0.75rem;
        }

        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                box-shadow: 0 12px 32px rgba(23, 74, 124, 0.12);
                border-bottom: 1px solid var(--color-border);
                gap: 4px;
            }

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

            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta .btn-primary {
                padding: 9px 20px;
                font-size: 0.875rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 70px 0;
            }

            .category-hero {
                padding: 80px 0 70px;
            }

            .category-hero h1 {
                font-size: clamp(1.875rem, 6vw, 2.5rem);
            }

            .category-hero .hero-desc {
                font-size: 1rem;
            }

            .hero-metrics {
                gap: 16px;
            }

            .hero-metrics .metric-item {
                padding-right: 16px;
            }

            .hero-metrics .metric-num {
                font-size: 1.375rem;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .feature-grid.reversed {
                direction: ltr;
            }

            .section-title {
                font-size: 1.75rem;
            }

            .section-subtitle {
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .stats-band .stat-num {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 18px;
            }

            .section {
                padding: 50px 0;
            }

            .category-hero {
                padding: 60px 0 56px;
            }

            .category-hero .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .category-hero .hero-actions .btn-primary,
            .category-hero .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-metrics {
                flex-wrap: wrap;
                margin-top: 40px;
                padding-top: 24px;
            }

            .hero-metrics .metric-item {
                width: 45%;
                border-right: none;
                padding-right: 0;
            }

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

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }

            .footer-bottom .container {
                justify-content: center;
            }

            .pulse-card {
                padding: 24px 20px;
            }

            .focus-item {
                flex-direction: column;
                gap: 14px;
            }

            .focus-item .focus-date {
                display: flex;
                align-items: center;
                gap: 8px;
                width: auto;
                padding: 8px 12px;
            }

            .faq-question {
                padding: 16px 18px;
            }

            .faq-answer {
                padding: 0 18px 18px 58px;
            }
        }

/* roulang page: category3 */
:root {
  --color-primary: #174A7C;
  --color-primary-light: #EAF2FB;
  --color-secondary: #C9A063;
  --color-accent: #FF7A59;
  --color-text-main: #20303F;
  --color-text-sub: #5B6B7A;
  --color-border: #DCE5EC;
  --color-bg: #F6F8FA;
  --color-card-bg: #FFFFFF;
  --shadow-sm: 0 2px 10px rgba(23, 74, 124, 0.06);
  --shadow-md: 0 4px 20px rgba(23, 74, 124, 0.08);
  --shadow-lg: 0 12px 32px rgba(23, 74, 124, 0.12);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 4px;
  --transition: 0.25s ease;
  --section-padding: 90px 0;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button, input {
  font-family: inherit;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.4;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: #1B5B9E;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23, 74, 124, 0.2);
}

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

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

.btn-outline:hover {
  background: rgba(23, 74, 124, 0.08);
  transform: translateY(-2px);
}

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

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

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(23, 74, 124, 0.06);
  height: 68px;
  display: flex;
  align-items: center;
}

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

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

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

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

.main-nav a {
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: 6px;
  position: relative;
  transition: all var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1.125rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

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

/* Hero */
.hero-category {
  background: linear-gradient(rgba(234, 242, 251, 0.88), rgba(246, 248, 250, 0.96)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-category h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--color-text-sub);
  max-width: 660px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

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

/* 通用板块 */
.section {
  padding: var(--section-padding);
}

.section-bg {
  background: #fff;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.125rem);
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--color-text-sub);
  font-size: 1rem;
  line-height: 1.75;
}

/* 服务概览卡片 */
.feature-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(220, 229, 236, 0.6);
  box-shadow: var(--shadow-md);
  padding: 32px 24px;
  height: 100%;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--color-secondary);
  transition: height var(--transition);
}

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

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

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 18px;
  transition: all var(--transition);
}

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

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 0.9375rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* 图文内容块 */
.content-block {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 40px 0;
}

.content-block.reverse {
  flex-direction: row-reverse;
}

.content-media {
  flex: 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.content-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-media:hover img {
  transform: scale(1.03);
}

.content-info {
  flex: 1;
}

.content-info .section-tag {
  margin-bottom: 12px;
}

.content-info h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.35;
  margin-bottom: 14px;
}

.content-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin: 24px 0 8px;
}

.content-info p {
  font-size: 1rem;
  color: var(--color-text-sub);
  line-height: 1.75;
  margin-bottom: 12px;
}

.content-points {
  margin: 16px 0 0;
  padding: 0;
}

.content-points li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  line-height: 1.6;
}

.content-points li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.875rem;
  color: var(--color-secondary);
}

/* 服务流程 */
.steps-wrap {
  background: var(--color-primary);
  border-radius: var(--radius-card);
  padding: 48px 32px;
  position: relative;
  overflow: hidden;
}

.steps-wrap::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.step-item {
  text-align: center;
  position: relative;
  padding: 20px 12px;
}

.step-item:not(:first-child)::before {
  content: "";
  position: absolute;
  top: 68px;
  left: -12px;
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.25);
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.step-item h4 {
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* 服务保障 */
.trust-band {
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
  padding: 40px 24px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.trust-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.trust-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.trust-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
}

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

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

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item.active {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(23, 74, 124, 0.1);
}

.faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  user-select: none;
}

.faq-q .faq-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-q span {
  flex: 1;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.5;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
  transition: all var(--transition);
}

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

.faq-a {
  display: none;
  padding: 0 24px 20px 66px;
  font-size: 0.9375rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

.faq-item.active .faq-a {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CTA */
.cta-section {
  background: var(--color-primary);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-section::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  background: rgba(201, 160, 99, 0.15);
  border-radius: 50%;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  margin-bottom: 28px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.9375rem;
  transition: all var(--transition);
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
}

/* 页脚 */
.site-footer {
  background: #0E2540;
  color: rgba(255, 255, 255, 0.8);
}

.footer-main {
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.65);
  max-width: 280px;
}

.footer-title {
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

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

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  transition: all var(--transition);
}

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

.footer-contact li {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.footer-contact i {
  color: var(--color-secondary);
  margin-top: 3px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-bottom span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

/* 移动端导航 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: #fff;
  z-index: 2000;
  padding: 24px;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
  transition: right 0.35s ease;
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  right: 0;
}

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

.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-main);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.drawer-close:hover {
  background: var(--color-primary);
  color: #fff;
}

.drawer-nav a {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-main);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: all var(--transition);
}

.drawer-nav a:hover,
.drawer-nav a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.drawer-footer {
  margin-top: auto;
  padding-top: 24px;
}

.drawer-footer .btn {
  width: 100%;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 37, 64, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 1500;
}

.overlay.show {
  opacity: 1;
  visibility: visible;
}

/* 响应式 */
@media (max-width: 1024px) {
  :root {
    --section-padding: 70px 0;
  }

  .main-nav {
    display: none;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .step-item:not(:first-child)::before {
    display: none;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --section-padding: 50px 0;
  }

  .hero-category {
    padding: 80px 0 60px;
  }

  .hero-category h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .content-block {
    flex-direction: column !important;
    gap: 24px;
    padding: 24px 0;
  }

  .content-media img {
    height: 220px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .step-item {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 16px;
    padding: 12px 0;
  }

  .step-num {
    margin: 0;
    flex-shrink: 0;
  }

  .step-item h4 {
    margin-bottom: 2px;
  }

  .trust-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .trust-item {
    flex-direction: column;
    text-align: center;
    padding: 20px 12px;
  }

  .cta-form {
    flex-direction: column;
  }

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

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

@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }

  .logo-text {
    font-size: 1rem;
  }

  .hero-category h1 {
    font-size: 1.625rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .section-head {
    margin-bottom: 36px;
  }

  .section-head h2 {
    font-size: 1.5rem;
  }

  .feature-card {
    padding: 24px 18px;
  }

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

  .faq-q {
    padding: 16px 16px;
  }

  .faq-a {
    padding: 0 16px 16px 50px;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}