/* roulang page: index */
:root {
  --primary: #2563E8;
  --primary-dark: #1D50C6;
  --accent: #19B39B;
  --soft-blue: #EAF1FE;
  --bg: #F5F8FC;
  --surface: #FFFFFF;
  --heading: #12233D;
  --body: #3C516E;
  --muted: #8496B3;
  --border: #E5EBF5;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 8px 24px rgba(18,35,61,0.06);
  --shadow-md: 0 14px 36px rgba(18,35,61,0.08);
  --shadow-lg: 0 18px 42px rgba(18,35,61,0.10);
  --font-sans: "Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4 {
  color: var(--heading);
  font-weight: 700;
  line-height: 1.4;
  margin-top: 0;
  margin-bottom: .5em;
}

p {
  margin: 0 0 16px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

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

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(37,99,232,.28);
  outline-offset: 2px;
  box-shadow: none;
}

.container {
  max-width: 1240px;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 1400px) {
  .container {
    max-width: 1240px;
  }
}

.section {
  padding: 54px 0;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  line-height: 1.35;
  letter-spacing: -.02em;
  margin-bottom: 12px;
}

.section-sub,
.section-lead {
  color: var(--muted);
  font-size: 1.03rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  background: var(--soft-blue);
  color: var(--primary);
  font-size: .84rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  line-height: 1;
  letter-spacing: .02em;
  margin-bottom: 16px;
}

.section-head {
  margin-bottom: 40px;
  max-width: 680px;
}

/* ===== 悬浮导航 Dock ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  padding: 14px 16px 4px;
  pointer-events: none;
}

.site-header .dock-nav {
  pointer-events: auto;
}

.dock-nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 18px !important;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: background .35s ease, box-shadow .35s ease;
}

.site-header.is-scrolled .dock-nav {
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow-md);
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 17px;
  flex: 0 0 auto;
  margin-right: 9px;
  box-shadow: 0 6px 14px rgba(37,99,232,.22);
}

.navbar-brand {
  display: flex;
  align-items: center;
  color: var(--heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  line-height: 1.2;
  white-space: nowrap;
  width: auto;
}

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

.navbar-toggler {
  border: 0;
  padding: 6px 8px;
  border-radius: 10px;
  color: var(--heading);
  font-size: 1.5rem;
  line-height: 1;
  box-shadow: none !important;
}

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

.dock-nav .navbar-nav .nav-link {
  color: var(--body);
  font-size: .95rem;
  font-weight: 500;
  margin: 2px 2px;
  padding: 7px 14px;
  border-radius: 12px;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}

.dock-nav .navbar-nav .nav-link:hover {
  color: var(--primary);
  background: var(--soft-blue);
}

.dock-nav .navbar-nav .nav-link.active {
  color: var(--primary);
  background: var(--soft-blue);
  font-weight: 700;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: .9rem;
  border-radius: 999px;
  padding: 8px 18px;
  margin-left: 6px;
  transition: all .2s ease;
  flex: 0 0 auto;
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(37,99,232,.25);
}

/* ===== 按钮通用 ===== */
.btn {
  border-radius: 13px;
  font-weight: 600;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37,99,232,.24);
}

.btn-outline-primary {
  background: #fff;
  border: 1px solid #C8D7F1;
  color: var(--primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--soft-blue);
  border-color: #AFC8EF;
  color: var(--primary-dark);
  transform: translateY(-1px);
}

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

.btn-light:hover,
.btn-light:focus {
  background: #f8fafd;
  border-color: #e6ecf5;
  color: var(--heading);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(18,35,61,.12);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-weight: 600;
  font-size: .96rem;
}

.text-link i {
  transition: transform .2s ease;
}

.text-link:hover {
  color: var(--primary-dark);
}

.text-link:hover i {
  transform: translateX(3px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 60px 0 40px;
  overflow: hidden;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(25,179,155,.12);
  border: 1px solid rgba(25,179,155,.16);
  color: #0E8D7C;
  font-size: .86rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(1.8rem, 4.3vw, 3rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.03em;
  color: var(--heading);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--body);
  max-width: 54ch;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 500;
}

.hero-features i {
  color: var(--accent);
  margin-right: 4px;
}

.hero-visual {
  position: relative;
  height: 100%;
}

.hero-img {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  min-height: 400px;
  height: 100%;
  box-shadow: var(--shadow-lg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-glass {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 10px 16px 10px 10px;
  box-shadow: var(--shadow-md);
  max-width: 270px;
}

.hero-glass img {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  object-fit: cover;
  flex: 0 0 auto;
}

.hero-glass strong {
  display: block;
  color: var(--heading);
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.35;
}

.hero-glass span {
  display: block;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.4;
}

.hero-glass-second {
  left: auto;
  right: 16px;
  top: 16px;
  bottom: auto;
}

/* ===== 痛点段 Why ===== */
.pain-item {
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
  transition: transform .25s ease, box-shadow .25s ease;
}

.pain-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pain-item:last-child {
  margin-bottom: 0;
}

.pain-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--soft-blue);
  color: var(--primary);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.pain-item h3 {
  font-size: 1.04rem;
  margin-bottom: 4px;
  color: var(--heading);
}

.pain-item p {
  margin: 0;
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ===== 解决方案 Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  background: #fff;
  border-radius: 22px;
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(25,179,155,.13);
  color: #0E8D7C;
  font-size: 1.35rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.step-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--heading);
}

.step-item p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.step-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 14px;
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
}

.step-link i {
  transition: transform .2s ease;
}

.step-link:hover {
  color: var(--primary-dark);
}

.step-link:hover i {
  transform: translateX(3px);
}

/* ===== 成果数据 ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  background: #fff;
  border-radius: 24px;
  padding: 36px 20px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}

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

.stat-counter {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  color: var(--heading);
  line-height: 1;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}

.stat-counter .stat-suffix {
  color: var(--accent);
}

.stat-label {
  color: var(--body);
  font-size: .95rem;
  font-weight: 500;
}

/* ===== 客户证言 ===== */
.quotes-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
}

.quote-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}

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

.quote-card .bi-quote {
  font-size: 2rem;
  color: var(--soft-blue);
  display: block;
  margin-bottom: 8px;
}

.quote-card p {
  color: var(--body);
  font-size: .98rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--soft-blue);
  color: var(--primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.quote-author strong {
  display: block;
  color: var(--heading);
  font-size: .92rem;
  line-height: 1.3;
}

.quote-author span {
  display: block;
  color: var(--muted);
  font-size: .8rem;
}

.quote-sub-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== CMS 动态资讯区 ===== */
.news-wrap {
  background: #fff;
  border-radius: 26px;
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}

.news-item {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 20px 26px;
  border-radius: 12px;
  transition: background .2s ease;
}

.news-item + .news-item {
  border-top: 1px solid var(--border);
}

.news-item:hover {
  background: #FBFDFF;
}

.news-cat {
  flex: 0 0 148px;
}

.news-cat span {
  display: inline-block;
  background: var(--soft-blue);
  color: var(--primary);
  font-size: .82rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 5px 13px;
  white-space: nowrap;
}

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

.news-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 5px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-body p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.55;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-meta {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: .84rem;
}

.news-more {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--soft-blue);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, transform .2s ease;
}

.news-item:hover .news-more {
  background: var(--primary);
  color: #fff;
  transform: translateX(3px);
}

.news-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  border: 2px dashed var(--border);
  border-radius: 20px;
  background: #fff;
  color: var(--muted);
  font-size: .98rem;
}

/* ===== FAQ accordion ===== */
.accordion-item {
  background: #fff;
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: none !important;
}

.accordion-button {
  border-radius: 16px !important;
  background: #fff;
  color: var(--heading);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 18px 20px;
  box-shadow: none;
  transition: background .2s ease;
}

.accordion-button:not(.collapsed) {
  background: var(--soft-blue);
  color: var(--heading);
  box-shadow: none;
}

.accordion-button::after {
  display: none !important;
}

.faq-plus {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: 1.2rem;
  color: var(--primary);
  transition: transform .25s ease;
}

.accordion-button:not(.collapsed) .faq-plus {
  transform: rotate(45deg);
}

.accordion-body {
  color: var(--body);
  font-size: .96rem;
  padding: 6px 20px 20px;
  line-height: 1.8;
}

.accordion-button:hover {
  background: var(--soft-blue);
}

/* ===== CTA ===== */
.cta-panel {
  position: relative;
  background: #123A6D;
  border-radius: 32px;
  padding: 64px 58px;
  overflow: hidden;
  color: #fff;
}

.cta-deco {
  position: absolute;
  right: -38px;
  bottom: -62px;
  font-size: 220px;
  line-height: 1;
  opacity: .07;
  color: #fff;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  max-width: 16em;
  margin-bottom: 14px;
}

.cta-content p {
  color: #C8D3E6;
  font-size: 1.06rem;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #1C2A44;
  color: #C8D3E6;
  margin-top: 100px;
  padding: 60px 0 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
  gap: 0;
}

.footer-brand .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  font-size: 15px;
}

.footer-desc {
  color: #8695B1;
  font-size: .92rem;
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 18px;
}

.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  margin-top: 6px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #C8D3E6;
  font-size: .92rem;
  line-height: 1.6;
  transition: color .2s ease, padding-left .2s ease;
  display: inline-block;
}

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

.footer-contact p {
  color: #C8D3E6;
  font-size: .95rem;
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.footer-contact i {
  color: var(--accent);
  margin-top: 5px;
  font-size: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 42px;
  padding: 18px 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: #8695B1;
  font-size: .85rem;
}

.footer-bottom a {
  color: #C8D3E6;
}

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

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .site-header {
    padding: 10px 12px 4px;
  }

  .dock-nav {
    border-radius: 20px;
    padding: 6px 14px !important;
  }

  .navbar-collapse {
    background: transparent;
    padding: 8px 4px 14px;
  }

  .dock-nav .navbar-nav .nav-link {
    padding: 12px 14px;
    font-size: 1rem;
  }

  .nav-cta {
    margin: 8px 4px 2px;
  }

  .hero {
    padding: 42px 0 30px;
  }

  .hero-visual {
    margin-top: 36px;
  }

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

  .hero-glass {
    max-width: 230px;
  }

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

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

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

  .cta-panel {
    padding: 42px 26px;
    border-radius: 24px;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 40px 0;
  }

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

  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 18px 16px;
  }

  .news-cat {
    flex: none;
  }

  .news-body h3 {
    white-space: normal;
  }

  .news-body p {
    white-space: normal;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
  }

  .news-meta {
    width: 100%;
    justify-content: space-between;
  }

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

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

  .site-footer {
    margin-top: 60px;
    padding-top: 42px;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .hero-img {
    min-height: 260px;
    border-radius: 20px;
  }

  .hero-glass {
    padding: 8px 12px 8px 8px;
    max-width: 210px;
    gap: 8px;
  }

  .hero-glass img {
    width: 38px;
    height: 38px;
  }

  .steps-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }

  .pain-item {
    padding: 16px;
  }

  .quote-card {
    padding: 22px;
  }

  .cta-panel {
    padding: 30px 18px;
  }

  .btn {
    min-height: 44px;
  }

  .navbar-brand {
    font-size: .95rem;
  }
}

/* roulang page: article */
:root {
            --primary: #2563E8;
            --primary-dark: #1D50C6;
            --accent: #19B39B;
            --soft-blue: #EAF1FE;
            --soft-mint: #E6F7F4;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --heading: #12233D;
            --body: #3C516E;
            --muted: #8496B3;
            --line: #E5EBF5;
            --deep-footer: #1C2A44;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --shadow-card: 0 8px 24px rgba(18, 35, 61, 0.06);
            --shadow-hover: 0 18px 38px rgba(18, 35, 61, 0.10);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
            background: var(--bg);
            color: var(--body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--heading);
            font-weight: 700;
            line-height: 1.35;
            margin-top: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

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

        .container {
            max-width: 1240px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 14px;
            min-height: 44px;
            padding: 0 24px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: var(--transition);
            font-size: 15px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(37, 99, 232, 0.22);
        }

        .btn-outline-primary {
            background: #fff;
            border-color: #c9d9f2;
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--soft-blue);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: #12233D;
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-light:hover {
            background: #eef4ff;
            color: #12233D;
            transform: translateY(-2px);
        }

        .site-header {
            position: sticky;
            top: 12px;
            z-index: 1080;
            padding: 8px 18px 0;
            margin-bottom: 8px;
        }

        .dock-nav {
            max-width: 1120px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            box-shadow: 0 10px 30px rgba(18, 35, 61, 0.08);
            padding: 10px 20px;
            border: 1px solid rgba(255, 255, 255, 0.7);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled .dock-nav {
            box-shadow: 0 14px 34px rgba(18, 35, 61, 0.14);
            background: rgba(255, 255, 255, 0.92);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--heading);
            font-size: 18px;
            letter-spacing: -0.01em;
        }

        .navbar-brand:hover {
            color: var(--heading);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4f8cff);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 14px rgba(37, 99, 232, 0.22);
        }

        .dock-nav .navbar-nav .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 500;
            color: #3C516E;
            font-size: 15px;
            white-space: nowrap;
        }

        .dock-nav .navbar-nav .nav-link:hover {
            background: var(--soft-blue);
            color: var(--primary-dark);
        }

        .dock-nav .navbar-nav .nav-link.active {
            background: var(--soft-blue);
            color: var(--primary);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(37, 99, 232, 0.06);
        }

        .navbar-toggler {
            border: 0;
            background: var(--soft-blue);
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(37, 99, 232, 0.14);
        }

        .nav-cta {
            min-height: 40px;
            padding: 0 18px;
            border-radius: 999px;
            font-size: 14px;
        }

        .article-page main {
            padding-bottom: 40px;
        }

        .article-masthead {
            background: linear-gradient(180deg, #EDF3FD 0%, #F7FAFE 100%);
            border-bottom: 1px solid rgba(228, 235, 246, 0.75);
            padding: 62px 0 54px;
            border-radius: 0 0 42px 42px;
        }

        .article-breadcrumb {
            display: flex;
            justify-content: center;
            margin-bottom: 22px;
        }

        .breadcrumb-nav {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.75);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--muted);
            box-shadow: 0 4px 14px rgba(18, 35, 61, 0.04);
        }

        .breadcrumb-nav a {
            color: var(--muted);
            font-weight: 500;
        }

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

        .breadcrumb-nav i {
            font-size: 11px;
            color: #b6c6dc;
            margin: 0 2px;
        }

        .breadcrumb-current {
            color: #3C516E;
            font-weight: 500;
            max-width: 320px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            display: block;
        }

        .article-masthead .masthead-inner {
            text-align: center;
        }

        .article-masthead h1 {
            max-width: 880px;
            margin: 0 auto 18px;
            font-size: clamp(28px, 4.4vw, 44px);
            letter-spacing: -0.02em;
            color: #12233D;
        }

        .article-meta-center {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 14px;
            color: var(--muted);
            font-size: 14px;
        }

        .article-meta-center span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-badge {
            background: var(--soft-blue);
            color: var(--primary);
            border-radius: 999px;
            padding: 4px 14px;
            font-weight: 600;
            font-size: 12.5px;
        }

        .meta-badge.mint {
            background: var(--soft-mint);
            color: #0E8B7B;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 46px;
            max-width: 1240px;
            margin: 52px auto 0;
            padding: 0 20px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-card-panel {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(24px, 4vw, 48px);
            margin-bottom: 32px;
        }

        .article-body {
            font-size: 16.5px;
            line-height: 1.95;
            color: #334860;
        }

        .article-body p {
            margin: 0 0 1.6em;
        }

        .article-body h2 {
            margin: 1.8em 0 0.8em;
            font-size: clamp(21px, 2.4vw, 27px);
            padding-top: 8px;
        }

        .article-body h3 {
            margin: 1.6em 0 0.7em;
            font-size: 19px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            margin: 28px 0;
            width: 100%;
            object-fit: cover;
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--primary-dark);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #F4FBF9;
            padding: 20px 24px;
            border-radius: 0 16px 16px 0;
            margin: 28px 0;
            color: #3C516E;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 22px;
            margin-bottom: 1.6em;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
        }

        .article-body table th {
            background: var(--soft-blue);
            color: #12233D;
            font-weight: 600;
            padding: 14px 16px;
            border-bottom: 1px solid var(--line);
        }

        .article-body table td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--line);
        }

        .article-aside {
            position: sticky;
            top: 120px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .aside-card {
            background: var(--surface);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 24px;
        }

        .aside-title {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 18px;
        }

        .aside-title i {
            color: var(--primary);
            font-size: 20px;
        }

        .aside-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .aside-list li {
            border-top: 1px solid #EEF3FA;
            padding: 11px 0;
            font-size: 14.5px;
        }

        .aside-list li:first-child {
            border-top: 0;
            padding-top: 0;
        }

        .aside-desc {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .aside-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--soft-mint);
            color: #0E8B7B;
            padding: 5px 13px;
            border-radius: 999px;
            font-size: 12.5px;
            font-weight: 600;
        }

        .empty-article {
            text-align: center;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 90px 24px;
        }

        .empty-article i {
            font-size: 48px;
            color: #B8CCE8;
            display: inline-block;
            margin-bottom: 18px;
        }

        .empty-article h2 {
            font-size: 24px;
        }

        .empty-article .btn {
            margin-top: 14px;
        }

        .article-bottom-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 20px;
        }

        .article-bottom-card {
            background: var(--surface);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
            color: var(--body);
            border: 1px solid transparent;
        }

        .article-bottom-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            color: var(--body);
            border-color: #e2edfb;
            background: #fbfdff;
        }

        .bottom-card-icon {
            width: 44px;
            height: 44px;
            flex: 0 0 44px;
            border-radius: 14px;
            background: var(--soft-blue);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .article-bottom-card .bot-text {
            min-width: 0;
        }

        .article-bottom-card .bot-label {
            font-size: 12px;
            color: var(--muted);
            display: block;
            line-height: 1.3;
        }

        .article-bottom-card strong {
            font-size: 15px;
            color: var(--heading);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .section-block {
            padding: 70px 0 30px;
        }

        .section-heading {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 40px;
        }

        .section-heading .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--soft-blue);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-heading h2 {
            font-size: clamp(24px, 3.4vw, 33px);
            margin-bottom: 12px;
            letter-spacing: -0.015em;
        }

        .section-heading p {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 0;
        }

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

        .content-card {
            background: var(--surface);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: #e3edfa;
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            background: #DDE8F8;
            overflow: hidden;
        }

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

        .card-body {
            padding: 22px;
        }

        .card-body h3 {
            font-size: 18px;
            margin: 10px 0 10px;
        }

        .card-body p {
            font-size: 14.5px;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }

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

        .card-link i {
            transition: transform 0.25s ease;
        }

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

        .article-cta {
            padding: 70px 0 40px;
        }

        .cta-panel {
            background:
                linear-gradient(135deg, rgba(18, 58, 109, 0.94), rgba(37, 99, 232, 0.86)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: 28px;
            padding: 56px 42px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: clamp(25px, 3.6vw, 34px);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin-bottom: 26px;
            font-size: 15.5px;
        }

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

        .site-footer {
            background: #1C2A44;
            padding: 60px 0 0;
            margin-top: 50px;
            color: #C8D3E6;
        }

        .site-footer .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 19px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.12);
            color: #8ab4ff;
        }

        .site-footer .footer-brand:hover {
            color: #fff;
        }

        .footer-desc {
            color: #8695B1;
            line-height: 1.8;
            font-size: 14.5px;
            margin-top: 14px;
            margin-bottom: 0;
            max-width: 360px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: #8695B1;
            font-size: 14.5px;
            transition: color 0.2s ease;
        }

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

        .footer-contact p {
            display: flex;
            gap: 10px;
            color: #8695B1;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .footer-contact p i {
            color: #4f8cff;
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 42px;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 28px;
            justify-content: center;
            color: #7e8fae;
            font-size: 13.5px;
        }

        .content-card-cover-placeholder {
            background: linear-gradient(135deg, #deeaff, #eef5fe);
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .content-card-cover-placeholder i {
            font-size: 32px;
            color: var(--primary);
            opacity: 0.6;
        }

        @media (max-width: 991.98px) {
            .dock-nav {
                border-radius: 22px;
                padding: 12px 16px;
            }

            .dock-nav .navbar-collapse {
                background: rgba(255, 255, 255, 0.96);
                border-radius: 18px;
                padding: 14px 12px;
                margin-top: 10px;
                box-shadow: var(--shadow-card);
            }

            .dock-nav .navbar-nav .nav-link {
                padding: 10px 16px;
            }

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

            .article-aside {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }

            .article-bottom-links {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .site-header {
                padding: 8px 12px 0;
            }

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

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .article-masthead {
                padding: 40px 0 40px;
            }

            .breadcrumb-nav {
                font-size: 12px;
            }

            .article-masthead h1 {
                font-size: 25px;
            }

            .article-meta-center {
                gap: 10px;
                font-size: 13px;
            }

            .article-card-panel {
                padding: 20px;
                border-radius: 18px;
            }

            .article-body {
                font-size: 15.5px;
            }

            .content-cards {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .article-aside {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 38px 22px;
                border-radius: 20px;
            }

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

            .footer-contact {
                margin-top: 10px;
            }

            .footer-bottom {
                font-size: 12.5px;
                line-height: 1.8;
            }
        }

        @media (max-width: 520px) {
            .article-masthead h1 {
                font-size: 22px;
            }

            .article-bottom-links {
                grid-template-columns: 1fr;
            }

            .article-layout {
                padding-left: 12px;
                padding-right: 12px;
            }

            .article-card-panel {
                padding: 18px;
            }

            .cta-panel {
                padding: 34px 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563E8;
            --primary-deep: #1D50C6;
            --accent: #19B39B;
            --accent-deep: #0E9A86;
            --soft-blue: #EAF1FE;
            --soft-mint: #E5F8F5;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --heading: #12233D;
            --body: #3C516E;
            --muted: #8496B3;
            --border: #E5EBF5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --shadow-sm: 0 8px 24px rgba(18, 35, 61, 0.06);
            --shadow-hover: 0 18px 38px rgba(18, 35, 61, 0.10);
            --font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        p {
            margin: 0 0 16px;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            color: var(--heading);
            line-height: 1.35;
            margin: 0 0 16px;
        }

        .container {
            max-width: 1240px;
        }

        /* ========== 按钮系统 ========== */
        .btn {
            border-radius: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 46px;
            padding: 10px 24px;
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
        }

        .btn-main:hover {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(37, 99, 232, 0.22);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 24px;
            background: #fff;
            border: 1px solid #D6E2F4;
            color: var(--primary);
            border-radius: 999px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(18, 35, 61, 0.04);
        }

        .btn-outline:hover {
            background: var(--soft-blue);
            border-color: #BBD2F7;
            color: var(--primary-deep);
            transform: translateY(-2px);
        }

        .btn-primary {
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
            --bs-btn-hover-bg: var(--primary-deep);
            --bs-btn-hover-border-color: var(--primary-deep);
            --bs-btn-active-bg: var(--primary-deep);
            --bs-btn-active-border-color: var(--primary-deep);
            border-radius: 999px;
            font-weight: 600;
        }

        .btn-primary:hover {
            box-shadow: 0 14px 30px rgba(37, 99, 232, 0.22);
            transform: translateY(-1px);
        }

        .btn:focus-visible,
        .form-control:focus,
        .form-select:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(37, 99, 232, 0.15);
        }

        /* ========== 顶部 Dock 导航 ========== */
        .site-header {
            padding: 22px 20px 0;
            position: relative;
            z-index: 1050;
        }

        .dock-nav {
            max-width: 1080px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.84);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            box-shadow: 0 10px 30px rgba(18, 35, 61, 0.08);
            padding: 9px 18px;
            border: 1px solid rgba(229, 235, 245, 0.72);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--heading);
            font-size: 17px;
            letter-spacing: -0.01em;
            padding: 0;
            margin: 0;
        }

        .navbar-brand:hover {
            color: var(--heading);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #6FA0F2);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(37, 99, 232, 0.25);
        }

        .navbar-nav .nav-link {
            color: var(--body);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 999px;
            transition: all 0.2s ease;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(37, 99, 232, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary-deep);
            background: var(--soft-blue);
            position: relative;
        }

        .navbar-toggler {
            border: none;
            color: var(--heading);
            font-size: 24px;
            line-height: 1;
            padding: 4px 8px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(37, 99, 232, 0.12);
        }

        .nav-cta {
            min-height: 40px;
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .nav-cta:hover {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #fff;
            box-shadow: 0 10px 22px rgba(37, 99, 232, 0.25);
            transform: translateY(-2px);
        }

        @media (max-width: 991.98px) {
            .dock-nav {
                border-radius: 20px;
                padding: 12px 16px;
            }

            .navbar-collapse {
                padding: 14px 8px 8px;
            }

            .navbar-nav .nav-link {
                padding: 10px 16px;
                font-size: 16px;
            }

            .navbar-nav .nav-link.active {
                color: var(--primary);
            }
        }

        /* ========== Hero 横幅 ========== */
        .page-hero {
            position: relative;
            background-position: center center;
            background-size: cover;
            background-repeat: no-repeat;
            padding: 110px 0 88px;
            overflow: hidden;
            border-radius: 0 0 36px 36px;
        }

        .page-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            align-items: center;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 28px;
        }

        .page-breadcrumb a {
            color: var(--muted);
        }

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

        .page-breadcrumb .bi-chevron-right {
            font-size: 12px;
            color: #B7C5D9;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(6px);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 24px;
            border: 1px solid rgba(37, 99, 232, 0.1);
            box-shadow: 0 6px 16px rgba(18, 35, 61, 0.05);
        }

        .hero-tag .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .hero-content h1 {
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--heading);
            margin-bottom: 18px;
        }

        .hero-content .hero-lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--heading);
            max-width: 600px;
            margin-bottom: 28px;
        }

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

        .hero-float-card {
            position: absolute;
            right: 4%;
            bottom: 6%;
            width: 250px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-radius: 18px;
            padding: 20px;
            box-shadow: 0 16px 42px rgba(18, 35, 61, 0.14);
            z-index: 3;
            border: 1px solid rgba(229, 235, 245, 0.85);
            display: none;
        }

        .hero-float-card .fc-label {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
        }

        .hero-float-card .fc-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--heading);
            line-height: 1.2;
        }

        .hero-float-card .fc-value span {
            color: var(--accent);
            font-size: 15px;
            margin-left: 4px;
        }

        @media (min-width: 1200px) {
            .hero-float-card {
                display: block;
            }
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: 96px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.1em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-label::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 4px;
        }

        .section-title {
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-lead {
            font-size: 16px;
            line-height: 1.9;
            color: var(--muted);
            max-width: 620px;
        }

        .media-frame {
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #eee;
            position: relative;
        }

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

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

        /* ========== 概览区 ========== */
        .overview-section {
            position: relative;
        }

        .overview-section::after {
            content: "";
            position: absolute;
            right: 0;
            top: 130px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(37, 99, 232, 0.07), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .overview-copy {
            padding-right: 30px;
        }

        .overview-copy .section-title {
            margin-bottom: 20px;
        }

        .overview-copy p {
            color: var(--body);
            font-size: 16px;
            line-height: 1.9;
        }

        .feature-list {
            list-style: none;
            margin: 24px 0 0;
            padding: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list .feature-icon {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--soft-blue);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .feature-list .feature-title {
            font-weight: 600;
            color: var(--heading);
            margin-bottom: 2px;
        }

        .feature-list .feature-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ========== 四大内容方向 ========== */
        .coverage-section {
            background: #fff;
        }

        .coverage-header {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
        }

        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coverage-card {
            background: var(--surface);
            border-radius: 18px;
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all 0.3s ease;
        }

        .coverage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: #CDE0FA;
        }

        .coverage-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--soft-blue);
            color: var(--primary);
            font-size: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            transition: all 0.3s ease;
        }

        .coverage-card:nth-child(2) .coverage-icon {
            background: var(--soft-mint);
            color: var(--accent-deep);
        }

        .coverage-card:nth-child(3) .coverage-icon {
            background: #FDF1F0;
            color: #D97777;
        }

        .coverage-card:nth-child(4) .coverage-icon {
            background: #F3F0FE;
            color: #8C66D9;
        }

        .coverage-card:hover .coverage-icon {
            transform: scale(1.06) rotate(-3deg);
        }

        .coverage-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .coverage-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== 更新流程 ========== */
        .rhythm-section {
            background: #fff;
        }

        .rhythm-section .section-header {
            margin-bottom: 52px;
        }

        .rhythm-steps {
            position: relative;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .rhythm-step {
            background: var(--bg);
            border-radius: 18px;
            padding: 30px 28px;
            position: relative;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

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

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 8px 18px rgba(25, 179, 155, 0.22);
        }

        .rhythm-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .rhythm-step p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }

        .rhythm-note {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--soft-blue);
            border-radius: 16px;
            padding: 16px 20px;
            margin-top: 28px;
            font-size: 14px;
            color: var(--body);
        }

        .rhythm-note i {
            color: var(--primary);
            font-size: 20px;
        }

        /* ========== 使用场景 ========== */
        .scene-card {
            background: var(--surface);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }

        .scene-img {
            position: relative;
            height: 190px;
            background: var(--soft-blue);
            overflow: hidden;
        }

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

        .scene-card .scene-body {
            padding: 24px;
        }

        .scene-card .scene-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            background: var(--soft-blue);
            color: var(--primary);
            border-radius: 999px;
            margin-bottom: 14px;
        }

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

        .scene-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }

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

        .faq-wrap {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 50px;
            align-items: start;
        }

        .faq-side-info {
            position: sticky;
            top: 40px;
        }

        .faq-side-info .section-title {
            margin-bottom: 14px;
        }

        .faq-side-info p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-card {
            background: var(--surface);
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            margin-top: 28px;
        }

        .faq-card .bi-shield-check {
            color: var(--accent);
            font-size: 22px;
        }

        .faq-card strong {
            display: block;
            font-size: 15px;
            color: var(--heading);
            margin-top: 8px;
        }

        .faq-card span {
            font-size: 13px;
            color: var(--muted);
        }

        .custom-accordion .accordion-item {
            border: none;
            background: transparent;
            margin-bottom: 14px;
        }

        .custom-accordion .accordion-button {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px !important;
            box-shadow: var(--shadow-sm);
            color: var(--heading);
            font-weight: 600;
            font-size: 16px;
            padding: 22px 26px;
            line-height: 1.5;
            transition: all 0.2s ease;
        }

        .custom-accordion .accordion-button:hover {
            border-color: #CDE0FA;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: #F4F8FF;
            color: var(--primary-deep);
            border-color: #C8DDFA;
            box-shadow: none;
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(37, 99, 232, 0.12);
            border-color: #AECBF5;
        }

        .custom-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%232563E8' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M8 3a1 1 0 0 1 1 1v3h3a1 1 0 1 1 0 2H9v3a1 1 0 1 1-2 0V9H4a1 1 0 0 1 0-2h3V4a1 1 0 0 1 1-1z'/%3e%3c/svg%3e");
            background-size: 20px 20px;
            transition: transform 0.25s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%232563E8' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M4 8a1 1 0 0 1 1-1h6a1 1 0 1 1 0 2H5a1 1 0 0 1-1-1z'/%3e%3c/svg%3e");
            transform: rotate(0);
        }

        .custom-accordion .accordion-body {
            padding: 10px 26px 24px;
            color: var(--body);
            font-size: 15px;
            line-height: 1.9;
            background: var(--surface);
            border-left: 1px solid var(--border);
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            border-radius: 0 0 16px 16px;
            border-top: none;
            margin-top: -6px;
        }

        /* ========== 底部 CTA ========== */
        .cta-band {
            padding: 90px 0;
        }

        .cta-panel {
            position: relative;
            border-radius: 30px;
            background: linear-gradient(120deg, #123A6D 0%, #1D50C6 100%);
            padding: 64px 60px;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(18, 58, 109, 0.25);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            right: -60px;
            top: -110px;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(25, 179, 155, 0.12);
            right: 140px;
            bottom: -100px;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 38px);
            font-weight: 700;
            max-width: 660px;
            position: relative;
            z-index: 2;
            line-height: 1.4;
            margin-bottom: 18px;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            max-width: 650px;
            position: relative;
            z-index: 2;
            margin-bottom: 34px;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 26px;
            background: #fff;
            color: var(--primary-deep);
            font-weight: 700;
            border-radius: 999px;
            border: none;
            transition: all 0.25s ease;
        }

        .btn-light-custom:hover {
            background: #EAF1FE;
            color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 46px;
            padding: 10px 26px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.25s ease;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1C2A44;
            padding: 76px 0 0;
            color: #C8D3E6;
        }

        .site-footer .row {
            margin-bottom: 46px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-brand .brand-icon {
            width: 42px;
            height: 42px;
        }

        .footer-desc {
            color: #8695B1;
            font-size: 14px;
            line-height: 1.85;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 22px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .footer-links a {
            color: #C8D3E6;
            font-size: 14px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-contact p {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: #8695B1;
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .footer-contact p i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: #8695B1;
        }

        @media (max-width: 767.98px) {
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .cta-panel {
                padding: 48px 28px;
                border-radius: 24px;
            }
        }

        /* ========== 响应式调整 ========== */
        @media (max-width: 991.98px) {
            .page-hero {
                padding: 60px 0 54px;
                border-radius: 0 0 26px 26px;
            }

            .section-block {
                padding: 64px 0;
            }

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

            .rhythm-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .faq-side-info {
                position: static;
            }

            .overview-copy {
                padding-right: 0;
                margin-bottom: 30px;
            }
        }

        @media (max-width: 575.98px) {
            .coverage-grid {
                grid-template-columns: 1fr;
            }

            .page-hero {
                padding: 44px 0 44px;
            }

            .page-hero .hero-lead {
                font-size: 15px;
            }

            .hero-actions .btn-main,
            .hero-actions .btn-outline,
            .cta-actions .btn-light-custom,
            .cta-actions .btn-ghost-light {
                width: 100%;
            }

            .site-footer {
                padding-top: 56px;
            }
        }

/* roulang page: category3 */
:root{
  --primary:#2563E8;
  --primary-dark:#1D50C6;
  --primary-soft:rgba(37,99,232,0.12);
  --accent:#19B39B;
  --accent-dark:#0F8A77;
  --soft-blue:#EAF1FE;
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --heading:#12233D;
  --body:#3C516E;
  --muted:#8496B3;
  --line:#E5EBF5;
  --round-sm:10px;
  --round-md:16px;
  --round-lg:20px;
  --shadow-sm:0 4px 12px rgba(18,35,61,0.05);
  --shadow-md:0 8px 24px rgba(18,35,61,0.06);
  --shadow-lg:0 18px 38px rgba(18,35,61,0.10);
  --shadow-focus:0 0 0 4px rgba(37,99,232,0.12);
  --navy:#1C2A44;
  --footer-text:#C8D3E6;
  --footer-muted:#8695B1;
  --font-base:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
.container{max-width:1240px;padding-left:20px;padding-right:20px}
h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--heading);line-height:1.3;letter-spacing:-0.01em}
.section{padding-top:90px;padding-bottom:90px}

/* Buttons */
.btn{border-radius:14px;font-weight:600;min-height:44px;padding:0.6rem 1.6rem;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-width:1px;transition:all .25s ease;letter-spacing:0.01em}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary:active{background:#1947B0;transform:translateY(0)}
.btn-outline-light{border-color:rgba(255,255,255,.65);color:#fff;background:transparent}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn-outline-primary{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-outline-primary:hover{background:var(--soft-blue);border-color:var(--primary);color:var(--primary)}
.btn-light-blue{background:var(--soft-blue);color:var(--primary);border-color:transparent}
.btn-light-blue:hover{background:#D9E6FD;transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--primary)}
.btn .bi{font-size:0.9em}

/* Tags */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--soft-blue);
  color:var(--primary);
  border-radius:100px;
  padding:0.3rem 1rem;
  font-size:0.82rem;
  font-weight:500;
  line-height:1.4;
  white-space:nowrap;
}
.tag-accent{background:rgba(25,179,155,0.12);color:var(--accent-dark)}

/* Cards */
.card{
  background:var(--surface);
  border:none;
  border-radius:var(--round-md);
  box-shadow:var(--shadow-md);
  transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{
  box-shadow:var(--shadow-lg);
}

/* Badge */
.badge{ border-radius:100px; padding:.35em .9em; font-weight:500}

/* Placeholder */
.text-placeholder{color:var(--muted);font-size:0.85rem}
.placeholder-soft{
  background:var(--soft-blue);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:#AABAD4;
}

/* Floating Dock Nav */
.site-header{
  padding-top:20px;
  position:sticky;
  top:0;
  z-index:1060;
  background:transparent;
  pointer-events:none;
}
.dock-nav{
  max-width:1080px;
  margin:0 auto;
  background:rgba(255,255,255,0.84);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-radius:60px;
  box-shadow:0 4px 18px rgba(18,35,61,0.07);
  padding:0.55rem 1.3rem;
  pointer-events:auto;
  transition:box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled .dock-nav{
  box-shadow:0 10px 28px rgba(18,35,61,0.10);
  background:rgba(255,255,255,0.92);
}
.dock-nav .navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:1.1rem;
  color:var(--heading);
  padding:0;
}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:14px;
  background:linear-gradient(135deg, var(--primary), #4F83F5);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:1.1rem;
  box-shadow:0 4px 12px rgba(37,99,232,.3);
}
.dock-nav .nav-link{
  font-weight:500;
  font-size:0.95rem;
  color:var(--body);
  padding:0.5rem 1rem;
  border-radius:100px;
  transition:all .2s ease;
  position:relative;
}
.dock-nav .nav-link:hover{color:var(--primary)}
.dock-nav .nav-link.active{
  color:var(--primary);
  background:var(--soft-blue);
}
.dock-nav .nav-link.active::after{
  content:'';
  display:block;
  width:5px;
  height:5px;
  background:var(--accent);
  border-radius:50%;
  margin:2px auto 0;
}
.nav-cta{
  min-height:40px;
  padding:0 20px;
  border-radius:100px;
  font-size:0.9rem;
  margin-left:0.5rem;
}
.navbar-toggler{
  border:none;
  padding:0.3rem 0.6rem;
  color:var(--heading);
  background:var(--soft-blue);
  border-radius:var(--round-sm);
  font-size:1.3rem;
}
.navbar-toggler:focus{
  outline:none;
  box-shadow:var(--shadow-focus);
}

/* Breadcrumb area */
.page-top{
  position:relative;
  padding:56px 0 38px;
  background:transparent;
}
.crumbs{font-size:0.85rem;color:var(--muted);letter-spacing:.02em;margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{margin:0 6px;opacity:.6}

/* Category hero */
.cat-hero{
  background:var(--surface);
  border-radius:var(--round-lg);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  margin-bottom:0;
}
.cat-title-area{
  position:relative;
  padding:36px 4%;
  background:
    radial-gradient(circle at 92% 20%,rgba(37,99,232,.06),transparent 320px),
    linear-gradient(145deg,#FFFFFF 0%,#F8FBFF 100%);
}
.category-overline{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(25,179,155,.12);
  color:var(--accent-dark);
  border-radius:100px;
  padding:.3rem 1rem;
  font-size:0.82rem;
  font-weight:600;
}
.cat-title{
  font-size:clamp(30px,4vw,48px);
  font-weight:800;
  color:var(--heading);
  margin-top:18px;
  margin-bottom:10px;
}
.cat-lead{
  font-size:clamp(2.2rem, 5vw, 3.4rem);
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.12;
}
.cat-intro{
  font-size:15px;
  max-width:70ch;
  color:var(--body);
  line-height:1.85;
  margin:8px 0 0;
}
.cat-img{
  height:100%;
  min-height:260px;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
}
.cat-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:var(--round-lg);
  border-radius:0;
}
.cat-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}

/* Section headers */
.section-label{
  color:var(--accent-dark);
  font-size:0.88rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.09em;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.section-title-dot{width:22px;height:4px;border-radius:4px;background:var(--accent);display:inline-block}
.section-heading{
  color:var(--heading);
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-0.02em;
  margin-bottom:12px;
}
.section-sub{color:var(--body);max-width:68ch}

/* Feature panel */
.feature-panel{
  background:var(--surface);
  padding:24px;
  border-radius:var(--round-md);
  height:100%;
  box-shadow:var(--shadow-sm);
  border-left:4px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-panel:hover{
  border-left-color:var(--primary);
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.feature-icon{
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--soft-blue);
  color:var(--primary);
  font-size:1.45rem;
  margin-bottom:18px;
}
.feature-panel h3{font-size:1.18rem;font-weight:700;margin-bottom:10px}
.feature-panel p{font-size:0.92rem;color:var(--body)}

/* Event Timeline */
.timeline-list{position:relative;padding-left:12px}
.event-line{
  position:relative;
  padding:0 0 30px 46px;
  border-left:2px dashed #DFE7F5;
}
.event-line::before{
  content:attr(data-step);
  position:absolute;
  left:-20px;
  top:0;
  width:40px;
  height:40px;
  background:var(--accent);
  color:#fff;
  font-size:0.85rem;
  font-weight:700;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  border:5px solid #DFF7F2;
}
.event-line h3{font-size:1.12rem;font-weight:700;margin-bottom:5px}
.event-line p{font-size:.92rem;margin-bottom:8px;margin-bottom:0}
.event-line:last-child{border-left-color:transparent;padding-bottom:0}

/* Scene grid */
.scene-card{
  background:var(--surface);
  border-radius:var(--round-md);
  padding:28px;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  gap:8px;
  height:100%;
  border:1px solid #EEF3FA;
  transition:transform .2s, box-shadow .25s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scene-card .icon{
  background:var(--soft-blue);
  width:46px;height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  color:var(--primary);
  margin-bottom:12px;
}
.scene-card h3{font-size:1.06rem;font-weight:700}
.scene-card p{font-size:.92rem}

/* Info chips */
.info-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:.55rem 1.1rem;
  background:rgba(25,179,155,.1);
  border-radius:100px;
  color:var(--accent-dark);
  font-weight:500;
  font-size:.92rem;
}

/* Content link row */
.entry-list-card{
  background:var(--surface);
  border-radius:var(--round-md);
  padding:18px;
  box-shadow:var(--shadow-sm);
  display:flex;
  align-items:center;
  gap:16px;
  transition:box-shadow .2s, transform .2s;
}
.entry-list-card:hover{box-shadow:var(--shadow-md);transform:translateX(4px)}
.entry-list-card .index{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--soft-blue);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:.85rem;
  flex-shrink:0;
}
.entry-list-card .text-wrap{flex:1;color:var(--heading);font-size:1rem;line-height:1.5}

/* FAQ */
.faq-holder{
  display:grid;
  grid-template-columns:1fr 1.6fr;
  gap:30px;
  background:var(--surface);
  border-radius:var(--round-lg);
  padding:40px;
  box-shadow:var(--shadow-md);
}
.accordion-custom .accordion-item{border:1px solid var(--line);border-radius:var(--round-md) !important;overflow:hidden;margin-bottom:14px;background:#fff}
.accordion-custom .accordion-item:last-child{margin-bottom:0}
.accordion-custom .accordion-button{font-size:1rem;color:var(--heading);font-weight:600;padding:1rem 1.3rem;background:#fff;box-shadow:none;transition:border-color .2s,color .2s}
.accordion-custom .accordion-button::after{content:"+";background:none;font-family:"Inter",sans-serif;font-size:1.2rem;color:var(--primary);width:auto;height:auto;line-height:1;transition:transform .3s ease;transform:none;font-weight:300}
.accordion-custom .accordion-button:not(.collapsed){background:var(--soft-blue);color:var(--primary)}
.accordion-custom .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-custom .accordion-button:focus{box-shadow:var(--shadow-focus)}
.accordion-custom .accordion-body{color:var(--body);font-size:.95rem;line-height:1.8;border-top:1px solid var(--line);padding:1rem 1.3rem}

/* CTA */
.cta-deep{
  background:#123A6D;
  border-radius:var(--round-lg);
  padding:52px 48px;
  position:relative;
  overflow:hidden;
  color:#E9F1FC;
}
.cta-deep::before{
  content:'';
  position:absolute;
  right:-70px;
  top:-70px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:rgba(37,99,232,.18);
}
.cta-deep::after{
  content:'';
  position:absolute;
  right:60px;
  bottom:-90px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(25,179,155,.12);
}
.cta-deep h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;position:relative;z-index:2}
.cta-deep p{color:#C3D8F4;max-width:48ch;position:relative;z-index:2}
.cta-deep .btn{position:relative;z-index:2}

/* Footer */
.site-footer{
  background:var(--navy);
  padding-top:66px;
  border-radius:var(--round-lg) var(--round-lg) 0 0;
  margin-top:40px;
  color:var(--footer-text);
}
.footer-brand{
  font-size:1.2rem;
  font-weight:700;
  color:#fff;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.footer-brand .brand-icon{background:rgba(255,255,255,.16)}
.footer-desc{font-size:.92rem;color:var(--footer-muted);line-height:1.8;margin-top:18px;max-width:46ch}
.footer-title{font-size:1rem;font-weight:600;color:#fff;margin-bottom:20px;letter-spacing:.05em}
.footer-links{display:flex;flex-direction:column;gap:10px;padding:0;margin:0}
.footer-links a{color:var(--footer-muted);font-size:.92rem;transition:color .2s, transform .25s}
.footer-links a:hover{color:#fff;transform:translateX(3px);display:inline-block}
.footer-contact p{color:var(--footer-muted);font-size:.9rem;line-height:1.8;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--accent);margin-top:6px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px 20px;
  align-items:center;
  font-size:.86rem;
  color:var(--footer-muted);
}

/* Utilities */
.bg-soft{background:#F0F6FF}
.text-accent{color:var(--accent-dark)}
.context-card{
  background:var(--surface);
  border-radius:var(--round-md);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .25s ease, transform .25s ease;
}
.context-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.context-card .thumb{height:180px;background:var(--soft-blue)}
.context-card img{width:100%;height:100%;object-fit:cover}
.context-card .tag{
  position:absolute;
  top:14px;
  left:14px;
  background:#fff;
  color:var(--primary);
}
.code-btn{
  flex-shrink:0;
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--soft-blue);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
}

/* Empty state */
.empty-state{
  border:2px dashed #C6D4E8;
  border-radius:var(--round-md);
  background:#FAFDFF;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:48px 24px;
  color:#A0B2CE;
}
.empty-state .empty-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--soft-blue);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.6rem;
  margin-bottom:14px;
}

/* responsiveness */
@media (max-width: 991.98px){
  .dock-nav{
    border-radius:26px;
    padding:0.8rem 1.2rem;
  }
  .navbar-collapse{
    background:rgba(255,255,255,.98);
    border-radius:18px;
    padding:16px 12px;
    margin-top:12px;
    box-shadow:var(--shadow-md);
  }
  .dock-nav .nav-link{border-radius:12px;padding:10px 16px;font-size:1rem}
  .dock-nav .nav-link.active::after{margin:4px 0 0;width:20px}
}
@media (max-width: 767.98px){
  .section{padding-top:60px;padding-bottom:60px}
  .cat-title{font-size:30px}
  .cat-hero .row{flex-direction:column-reverse}
  .cat-img{min-height:200px;height:240px}
  .cat-img img{object-position:center 60%}
  .cat-actions .btn{width:100%}
  .faq-holder{grid-template-columns:1fr;padding:24px;flex-wrap:wrap}
  .event-line{padding-left:38px}
  .event-line::before{left:-18px}
  .cta-deep{padding:36px 26px}
  .cta-deep .btn{width:100%}
  .entry-list-card{align-items:flex-start}
}
@media (max-width: 520px){
  .container{padding-left:16px;padding-right:16px}
  .dock-nav .navbar-brand{font-size:.95rem}
  .brand-icon{width:34px;height:34px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .context-card .thumb{height:150px}
}

/* Skeleton animation if needed */
@keyframes pulse {
  0%{background-position:0% 0%}
  100%{background-position:-100% 0%}
}

/* roulang page: category2 */
:root {
  --primary: #2563e8;
  --primary-dark: #1d50c6;
  --accent: #19b39b;
  --accent-dark: #0f8877;
  --soft-blue: #eaf1fe;
  --bg: #f5f8fc;
  --surface: #ffffff;
  --heading: #12233d;
  --body: #3c516e;
  --muted: #8496b3;
  --line: #e5ebf5;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1240px;
  --shadow-sm: 0 6px 18px rgba(18, 35, 61, 0.05);
  --shadow: 0 10px 30px rgba(18, 35, 61, 0.08);
  --shadow-lg: 0 20px 44px rgba(18, 35, 61, 0.12);
  --font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border 0.2s ease;
}
a:hover {
  color: var(--primary-dark);
}
h1, h2, h3, h4, h5 {
  margin-top: 0;
  margin-bottom: 0.5em;
  color: var(--heading);
  line-height: 1.25;
  letter-spacing: -0.015em;
}
p {
  margin-bottom: 1rem;
}
button:focus,
a:focus,
input:focus,
.btn:focus,
.nav-link:focus {
  outline: 3px solid rgba(37, 99, 232, 0.28);
  outline-offset: 2px;
}
.container {
  max-width: var(--container);
}
.btn {
  border-radius: 14px;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--primary);
  border: none;
  color: #fff;
  box-shadow: 0 6px 18px rgba(37, 99, 232, 0.18);
}
.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 99, 232, 0.28);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}
.btn-outline-light:hover,
.btn-outline-light:focus {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 999px;
}
.btn-glass:hover,
.btn-glass:focus {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--primary);
}
.link-arrow i {
  transition: transform 0.2s ease;
}
.link-arrow:hover i {
  transform: translateX(3px);
}

/* 导航 */
.site-header {
  padding: 20px 24px 0;
}
.dock-nav {
  max-width: 1190px;
  margin: 0 auto;
  padding: 0.55rem 0.6rem 0.55rem 1.1rem;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  font-weight: 800;
  margin-right: 0.5rem;
}
.navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 6px 14px rgba(37, 99, 232, 0.26);
}
.navbar-nav {
  gap: 0.25rem;
}
.dock-nav .nav-link {
  border-radius: 999px;
  padding: 0.55rem 1.05rem !important;
  color: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease, background 0.2s ease;
}
.dock-nav .nav-link:hover {
  color: var(--primary);
  background: var(--soft-blue);
}
.dock-nav .nav-link.active {
  color: var(--primary);
  background: var(--soft-blue);
}
.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  margin-left: 0.35rem;
}
.navbar-toggler {
  border: none;
  border-radius: 12px;
  color: var(--heading);
  font-size: 1.45rem;
  padding: 0.25rem 0.6rem;
}
.navbar-toggler:focus {
  box-shadow: none;
}

/* Hero */
.category-hero {
  position: relative;
  overflow: hidden;
  margin-top: 22px;
  background: linear-gradient(100deg, rgba(9, 28, 65, 0.96) 0%, rgba(23, 77, 154, 0.84) 100%),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  color: #fff;
  padding: clamp(2.8rem, 7vw, 5.6rem) 0 clamp(3.2rem, 7vw, 5.8rem);
}
.hero-breadcrumb {
  margin-bottom: 2rem;
}
.hero-breadcrumb .breadcrumb {
  margin-bottom: 0;
}
.hero-breadcrumb .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.8);
}
.hero-breadcrumb .breadcrumb-item a:hover {
  color: #fff;
}
.hero-breadcrumb .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.95);
}
.hero-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.5);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #dbe8ff;
  font-weight: 600;
  font-size: 0.9rem;
}
.category-hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.9rem);
  font-weight: 800;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}
.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 58ch;
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
}
.hero-assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2rem;
  margin-top: 2.2rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}
.hero-assurance i {
  color: var(--accent);
  margin-right: 6px;
}
.hero-mini-card {
  max-width: 350px;
  margin-left: auto;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  padding: 1.4rem 1.5rem;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.hero-mini-title {
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.1rem;
}
.hero-mini-step {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
}
.hero-mini-step:last-of-type {
  border-bottom: 0;
}
.hero-mini-step span {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.hero-mini-note {
  margin-top: 0.85rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

/* 区块通用 */
.section-block {
  padding: clamp(70px, 10vw, 115px) 0;
}
.section-tint {
  background: var(--soft-blue);
}
.section-tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: var(--soft-blue);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}
.section-head h2,
.section-title h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.section-sub,
.lead-text {
  color: var(--muted);
  max-width: 65ch;
  font-size: 1.05rem;
}

/* 栏目概览 */
.overview-block {
  background: var(--bg);
}
.overview-block h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.feature-list {
  margin: 2rem 0 1.5rem;
}
.feature-item {
  display: flex;
  gap: 16px;
  padding: 0.9rem 0;
}
.feature-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: var(--soft-blue);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.feature-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.feature-item p {
  color: var(--muted);
  margin-bottom: 0;
}
.overview-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.overview-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.visual-float {
  position: absolute;
  left: 1.3rem;
  bottom: 1.3rem;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 14px;
  padding: 0.65rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--heading);
  font-weight: 700;
  box-shadow: var(--shadow);
}
.visual-float i {
  color: var(--accent);
}

/* 攻略方向卡片 */
.direction-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem;
  height: 100%;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.direction-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  margin-bottom: 1.3rem;
  box-shadow: 0 6px 16px rgba(25, 179, 155, 0.24);
}
.direction-card:nth-child(2n) .step-num {
  background: var(--primary);
  box-shadow: 0 6px 16px rgba(37, 99, 232, 0.24);
}
.direction-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.direction-card p {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0;
}

/* 查找流程 */
.find-block {
  background: var(--soft-blue);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.process-step {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem;
  display: flex;
  gap: 1rem;
  box-shadow: 0 8px 24px rgba(18, 35, 61, 0.06);
}
.process-step .process-index {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: rgba(25, 179, 155, 0.13);
  color: var(--accent-dark);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}
.process-step p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.check-list {
  list-style: none;
  margin: 1.6rem 0 2rem;
  padding: 0;
}
.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.9rem;
  color: var(--body);
}
.check-list li i {
  position: absolute;
  left: 0;
  top: 0.32rem;
  color: var(--accent);
}

/* 分类关联 */
.channel-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1.8rem;
  align-items: stretch;
}
.channel-feature {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.channel-feature:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.feature-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--soft-blue);
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-media .badge {
  position: absolute;
  left: 1.2rem;
  top: 1.2rem;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary);
  border-radius: 999px;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
}
.channel-feature-body {
  padding: 1.6rem;
}
.channel-feature-body h3 {
  font-size: 1.35rem;
  font-weight: 800;
}
.channel-feature-body p {
  color: var(--muted);
}
.channel-side {
  display: grid;
  gap: 1.3rem;
}
.channel-entry {
  display: flex;
  gap: 1rem;
  border-radius: 20px;
  background: var(--surface);
  padding: 1.3rem;
  box-shadow: 0 8px 24px rgba(18, 35, 61, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.channel-entry:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.channel-entry.is-current {
  background: var(--soft-blue);
}
.channel-entry-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.channel-entry.is-current .channel-entry-icon {
  background: var(--accent);
}
.channel-entry h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.1rem;
}
.channel-entry p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.2rem;
}
.channel-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
}
.channel-more i {
  transition: transform 0.2s ease;
}
.channel-entry:hover .channel-more i {
  transform: translateX(3px);
}

/* FAQ */
.faq-wrap {
  background: var(--bg);
}
.custom-accordion .accordion-item {
  background: var(--surface);
  border: none;
  border-radius: var(--radius) !important;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(18, 35, 61, 0.06);
  margin-bottom: 1rem;
}
.custom-accordion .accordion-button {
  background: transparent;
  color: var(--heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 1.2rem 1.4rem;
  box-shadow: none;
  align-items: center;
  gap: 1rem;
}
.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--soft-blue);
  color: var(--primary);
}
.custom-accordion .accordion-button::after {
  display: none;
}
.acc-icon {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--soft-blue);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.accordion-button:not(.collapsed) .acc-icon {
  color: #fff;
  background: var(--accent);
  transform: rotate(45deg);
}
.custom-accordion .accordion-body {
  padding: 0 1.4rem 1.3rem;
  color: var(--body);
  border-top: 1px solid var(--line);
}
.faq-intro {
  max-width: 360px;
}
.faq-intro p {
  color: var(--muted);
}

/* CTA */
.cta-section {
  padding-bottom: 0;
}
.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #123a6d 0%, #174f8f 100%);
  border-radius: 36px;
  padding: clamp(2.4rem, 6vw, 4.5rem);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-panel::before {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  background: rgba(25, 179, 155, 0.18);
  border-radius: 50%;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: 140px;
  top: -80px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}
.cta-copy {
  position: relative;
  z-index: 1;
}
.cta-copy h2 {
  color: #fff;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.8rem;
  max-width: 18ch;
}
.cta-copy p {
  color: #cfdcf0;
  max-width: 56ch;
  margin-bottom: 0;
}
.cta-buttons {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.btn-light-xl {
  border-radius: 999px;
  background: #fff;
  color: var(--heading);
  padding: 0.85rem 1.7rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.btn-light-xl:hover,
.btn-light-xl:focus {
  background: var(--soft-blue);
  color: var(--heading);
  transform: translateY(-2px);
}
.btn-ghost-light {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: transparent;
  color: #fff;
  padding: 0.85rem 1.7rem;
  font-weight: 600;
}
.btn-ghost-light:hover,
.btn-ghost-light:focus {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: translateY(-2px);
}

/* 页脚 */
.site-footer {
  margin-top: 0;
  background: #1c2a44;
  color: #c8d3e6;
  padding: 70px 0 0;
}
.site-footer .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.4rem;
}
.site-footer .footer-brand .brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}
.footer-desc {
  color: #8695b1;
  max-width: 34ch;
  font-size: 0.93rem;
}
.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.3rem;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.footer-links a {
  color: #c8d3e6;
  font-size: 0.93rem;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #8695b1;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}
.footer-contact i {
  color: var(--accent);
  line-height: 1.5;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 2.5rem;
  padding: 1.4rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.2rem;
  font-size: 0.88rem;
  color: #8695b1;
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .channel-layout {
    grid-template-columns: 1fr 1fr;
  }
  .channel-side {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 991.98px) {
  .site-header {
    padding: 14px 12px 0;
  }
  .dock-nav {
    max-width: 100%;
    border-radius: 24px;
    padding: 0.65rem 1rem;
  }
  .navbar-collapse {
    margin-top: 0.5rem;
  }
  .dock-nav .nav-link {
    border-radius: 14px;
    padding: 0.7rem 1rem !important;
  }
  .hero-mini-card {
    margin: 1.5rem 0 0;
  }
  .channel-layout {
    grid-template-columns: 1fr;
  }
  .faq-intro {
    max-width: none;
    margin-bottom: 2rem;
  }
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767.98px) {
  .section-block {
    padding: 62px 0;
  }
  .hero-assurance {
    gap: 0.9rem 1.4rem;
  }
  .overview-visual {
    margin-top: 1rem;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-buttons .btn {
    width: 100%;
  }
  .footer-bottom {
    gap: 0.8rem;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .site-header {
    padding: 10px 8px 0;
  }
  .dock-nav {
    border-radius: 18px;
  }
  .navbar-brand {
    font-size: 0.92rem;
    gap: 6px;
  }
  .navbar-brand .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
  .hero-eyebrow {
    font-size: 0.8rem;
  }
  .category-hero h1 {
    font-size: 2.1rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .visual-float {
    font-size: 0.85rem;
  }
  .channel-entry {
    flex-direction: column;
  }
}