/* roulang page: index */
:root {
  --primary: #1a5cff;
  --primary-dark: #0f3bbd;
  --primary-soft: #eaf0ff;
  --accent: #ffc53d;
  --accent-soft: #fff8e6;
  --dark: #0b1a33;
  --text: #1f2f4a;
  --muted: #64748b;
  --border: #e5ebf5;
  --bg: #f6f9fc;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(20, 40, 100, 0.08);
  --shadow-hover: 0 20px 50px rgba(20, 40, 100, 0.15);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
button, input {
  font-family: inherit;
}
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  background: transparent;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(26, 92, 255, 0.28);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
}
.btn-light {
  background: #fff;
  border-color: #fff;
  color: var(--dark);
}
.btn-light:hover {
  background: #f1f5ff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}
.btn-cta {
  background: var(--accent);
  border-color: var(--accent);
  color: #10233f;
  font-weight: 700;
  padding: 9px 22px;
  font-size: 14px;
}
.btn-cta:hover {
  background: #ffd166;
  border-color: #ffd166;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-ico {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), #4f8bff);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(26, 92, 255, 0.25);
}
.brand-txt strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
  color: var(--dark);
  letter-spacing: 0.5px;
}
.brand-txt small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 2px;
  line-height: 1.3;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  position: relative;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 500;
  color: var(--text);
  font-size: 15px;
  transition: all 0.2s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  border-radius: 99px;
  background: var(--primary);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  color: var(--dark);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
  color: #fff;
  padding: 118px 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, rgba(7, 23, 51, 0.93), rgba(26, 92, 255, 0.78));
}
.hero .container {
  position: relative;
  z-index: 2;
  animation: fadeUp 0.7s ease both;
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.15;
  letter-spacing: 1px;
}
.hero-sub {
  max-width: 680px;
  margin: 0 0 34px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-mentions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 48px;
  color: rgba(255, 255, 255, 0.92);
}
.hero-mention {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.hero-mention i {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  display: grid;
  place-items: center;
  font-size: 13px;
}
.notice-section {
  background: var(--bg);
  padding: 28px 0 0;
}
.notice-bar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fffbea;
  border: 1px solid #f0dda4;
  border-radius: 16px;
  padding: 18px 22px;
  font-size: 14px;
  color: #6b4f1d;
}
.notice-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 12px;
  background: #fff1c9;
  display: grid;
  place-items: center;
  font-size: 17px;
  color: #d48806;
}
.notice-text strong {
  color: #573d12;
}
.section {
  padding: 90px 0;
}
.section-alt {
  background: var(--white);
}
.section-head {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 999px;
  letter-spacing: 2px;
}
.section-head h2 {
  margin: 16px 0 12px;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.3;
  color: var(--dark);
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}
.service-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.feature-media {
  position: relative;
}
.feature-media img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-hover);
}
.media-badge {
  position: absolute;
  right: 18px;
  bottom: 18px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 20px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  line-height: 1.3;
}
.media-badge span {
  font-size: 12px;
  color: var(--muted);
}
.media-badge strong {
  font-size: 18px;
  color: var(--primary);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.feature-card {
  padding: 28px;
}
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--dark);
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: #d5e2ff;
}
.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  color: #fff;
  margin-bottom: 18px;
}
.icon-badge.blue {
  background: linear-gradient(145deg, #2f6bff, #1a4fe0);
}
.icon-badge.green {
  background: linear-gradient(145deg, #19c98f, #00a678);
}
.icon-badge.orange {
  background: linear-gradient(145deg, #ffb648, #f98a20);
}
.icon-badge.purple {
  background: linear-gradient(145deg, #9a6cff, #6a3fe0);
}
.focus-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.focus-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}
.focus-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: #d0dfff;
}
.focus-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.focus-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.focus-card:hover .focus-media img {
  transform: scale(1.06);
}
.focus-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.focus-body h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--dark);
}
.focus-body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}
.tag-chip {
  display: inline-block;
  align-self: flex-start;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s ease;
}
.text-link i {
  transition: transform 0.2s ease;
}
.text-link:hover {
  color: var(--primary-dark);
}
.text-link:hover i {
  transform: translateX(4px);
}
.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #d5e2ff;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--muted);
}
.news-cat {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
}
.news-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.5;
  color: var(--dark);
}
.news-card h3 a {
  transition: color 0.2s ease;
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  flex: 1;
}
.empty-tip {
  grid-column: 1 / -1;
  padding: 48px 20px;
  text-align: center;
  background: var(--white);
  border: 1px dashed #cbd9f0;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.step-num {
  display: block;
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  color: var(--primary);
  opacity: 0.16;
  margin-bottom: 18px;
}
.step-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--dark);
}
.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.security {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
  border-radius: 30px;
  padding: 64px;
  color: #fff;
  overflow: hidden;
}
.security .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 22, 45, 0.97), rgba(26, 92, 255, 0.86));
}
.security-content {
  position: relative;
  z-index: 2;
}
.section-head.left {
  max-width: 720px;
  margin: 0 0 36px;
  text-align: left;
}
.section-tag.light {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.security .section-head h2 {
  color: #fff;
}
.security .section-head p {
  color: rgba(255, 255, 255, 0.8);
}
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.security-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  backdrop-filter: blur(6px);
}
.security-item i {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  display: grid;
  place-items: center;
  font-size: 17px;
  color: #ffd166;
}
.security-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: #fff;
}
.security-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}
.security-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}
.security-stats strong {
  display: block;
  font-size: 30px;
  line-height: 1.2;
  color: #fff;
}
.security-stats span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin: 12px 0;
  padding: 4px 24px;
  box-shadow: 0 4px 16px rgba(20, 40, 100, 0.04);
  transition: all 0.25s ease;
}
.faq-item:hover {
  border-color: #c8d9ff;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  outline: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after {
  content: "\f077";
}
.faq-item p {
  margin: 0;
  padding: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.cta-section {
  padding: 40px 0 90px;
}
.cta-box {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
  border-radius: 30px;
  padding: 72px 60px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 22, 45, 0.92), rgba(26, 92, 255, 0.8));
}
.cta-box > * {
  position: relative;
  z-index: 2;
}
.cta-box h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.5vw, 38px);
  line-height: 1.3;
}
.cta-box p {
  max-width: 620px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.site-footer {
  background: #0a1526;
  color: #aebad0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.2fr;
  gap: 48px;
  padding: 64px 0 40px;
}
.footer-brand .brand-txt strong {
  color: #fff;
}
.footer-brand .brand-txt small {
  color: #93a6c2;
}
.footer-brand > p {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: #93a6c2;
}
.footer-title {
  margin: 0 0 18px;
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: #aebad0;
  font-size: 14px;
  transition: all 0.2s ease;
  display: inline-block;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 5px;
}
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: #aebad0;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 13px;
  color: #8fb4ff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: #7e93b4;
}
@media (max-width: 1024px) {
  .service-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .focus-cards {
    grid-template-columns: 1fr 1fr;
  }
  .news-list {
    grid-template-columns: 1fr;
  }
  .security {
    padding: 46px 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-link {
    padding: 14px 12px;
    font-size: 16px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-cta {
    display: none;
  }
  .hero {
    padding: 88px 0;
  }
  .hero-sub {
    font-size: 16px;
  }
  .hero-mentions {
    flex-direction: column;
    gap: 12px;
  }
  .section {
    padding: 64px 0;
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .security-grid {
    grid-template-columns: 1fr;
  }
  .security {
    padding: 38px 26px;
  }
  .cta-section {
    padding: 24px 0 64px;
  }
  .cta-box {
    padding: 48px 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .nav-wrap {
    height: 68px;
  }
  .nav-menu {
    top: 68px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .focus-cards {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-mentions {
    margin-top: 36px;
  }
  .security-stats {
    grid-template-columns: 1fr 1fr;
  }
  .news-card {
    padding: 20px;
  }
  .faq-item {
    padding: 4px 18px;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root{
  --primary:#13294b;
  --primary-deep:#0b1a30;
  --primary-light:#2b4a7a;
  --accent:#e8a33d;
  --accent-hover:#d5912a;
  --accent-soft:#fdf3e2;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1e2633;
  --text-soft:#64748b;
  --text-light:#94a3b8;
  --border:#e6eaf0;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 4px 20px rgba(15,30,60,.06);
  --shadow-hover:0 14px 36px rgba(15,30,60,.14);
  --transition:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px}
img{max-width:100%;display:block;border:0}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
ul,ol{list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-ico{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:18px;box-shadow:0 4px 12px rgba(19,41,75,.25)}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt strong{font-size:19px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.brand-txt small{font-size:12px;color:var(--text-soft);letter-spacing:1.5px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{padding:9px 18px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);transition:all var(--transition)}
.nav-link:hover{background:var(--accent-soft);color:var(--primary)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(19,41,75,.25)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border-radius:10px;font-size:15px;font-weight:700;transition:all var(--transition);line-height:1.4}
.btn-cta{background:linear-gradient(135deg,var(--accent),#f7b955);color:#13294b;box-shadow:0 4px 14px rgba(232,163,61,.35)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(232,163,61,.45);color:#13294b}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(19,41,75,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(19,41,75,.4);color:#fff}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;font-size:20px;color:var(--primary);background:var(--accent-soft);align-items:center;justify-content:center;transition:background var(--transition)}
.nav-toggle:hover{background:var(--accent);color:#fff}
.page-hero{position:relative;padding:70px 0 60px;background:linear-gradient(135deg,rgba(11,26,48,.94),rgba(19,41,75,.86)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;text-align:center}
.page-hero-inner{position:relative;z-index:2}
.crumb{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75);margin-bottom:18px;padding:8px 18px;background:rgba(255,255,255,.12);border-radius:30px;backdrop-filter:blur(6px)}
.crumb a{color:#fff;transition:color var(--transition)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-size:11px;opacity:.6}
.page-hero h1{font-size:34px;font-weight:800;line-height:1.4;margin:0 auto 14px;max-width:860px}
.page-hero p{font-size:17px;color:rgba(255,255,255,.82);max-width:640px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--primary);padding:7px 18px;border-radius:30px;font-size:13px;font-weight:700;margin-bottom:20px}
.article-wrap{padding:56px 0 30px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.article-body{padding:40px 44px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:28px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-soft);background:var(--bg);padding:6px 14px;border-radius:30px}
.meta-item i{color:var(--accent)}
.meta-item .badge{background:var(--primary);color:#fff;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.article-content{font-size:16px;line-height:1.95}
.article-content h2{font-size:24px;font-weight:800;color:var(--primary);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--accent);line-height:1.5}
.article-content h3{font-size:20px;font-weight:700;color:var(--primary);margin:28px 0 12px}
.article-content p{margin-bottom:20px;color:var(--text)}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:22px}
.article-content ul li{position:relative;padding-left:6px;margin-bottom:9px;color:var(--text)}
.article-content ul li::before{content:'\f0a4';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--accent);position:absolute;left:-18px;top:2px;font-size:12px}
.article-content ol li{margin-bottom:8px;padding-left:4px;color:var(--text);list-style:decimal}
.article-content blockquote{background:var(--accent-soft);border-left:4px solid var(--accent);padding:18px 22px;border-radius:0 12px 12px 0;margin:24px 0;color:var(--primary);font-weight:600}
.article-content img{border-radius:12px;margin:24px 0;box-shadow:var(--shadow)}
.article-content a{color:var(--accent-hover);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content table th,.article-content table td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.article-content table th{background:var(--primary);color:#fff;font-weight:600}
.not-found{text-align:center;padding:70px 30px}
.not-found i{font-size:52px;color:var(--accent);margin-bottom:18px}
.not-found h2{font-size:28px;color:var(--primary);margin-bottom:12px}
.not-found p{color:var(--text-soft);margin-bottom:28px}
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.side-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.side-card .card-head{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.side-card .card-head i{width:34px;height:34px;border-radius:9px;background:var(--accent-soft);color:var(--accent-hover);display:flex;align-items:center;justify-content:center;font-size:15px}
.side-card .card-head h3{font-size:17px;font-weight:800;color:var(--primary)}
.side-list .side-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--border);transition:background var(--transition)}
.side-list .side-item:last-child{border-bottom:0}
.side-list .side-item:hover{background:var(--bg)}
.side-list .side-date{font-size:12px;color:var(--text-light);white-space:nowrap}
.side-list .side-item a{font-size:14px;line-height:1.6;color:var(--text);font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-list .side-item a:hover{color:var(--accent-hover)}
.side-cta{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow)}
.side-cta h3{font-size:18px;font-weight:800;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:20px;line-height:1.7}
.side-cta .btn-cta{width:100%}
.related-section{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;gap:20px}
.section-head h2{font-size:28px;font-weight:800;color:var(--primary);line-height:1.3;position:relative}
.section-head h2::after{content:'';display:block;width:48px;height:4px;border-radius:4px;background:var(--accent);margin-top:10px}
.section-sub{color:var(--text-soft);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rel-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.rel-img{position:relative;height:170px;overflow:hidden}
.rel-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-img img{transform:scale(1.06)}
.rel-img .rel-badge{position:absolute;top:12px;left:12px;background:rgba(19,41,75,.86);color:#fff;font-size:12px;padding:5px 12px;border-radius:20px;backdrop-filter:blur(4px);z-index:2}
.rel-info{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}
.rel-info h3{font-size:15px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.rel-info h3 a{color:var(--text);transition:color var(--transition)}
.rel-info h3 a:hover{color:var(--accent-hover)}
.rel-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-light);border-top:1px solid var(--border);padding-top:12px;margin-top:auto}
.process-section{padding:70px 0;background:linear-gradient(135deg,var(--primary-deep),var(--primary));color:#fff}
.process-section .section-head h2{color:#fff}
.process-section .section-sub{color:rgba(255,255,255,.75)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:36px}
.process-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:32px 26px;text-align:center;transition:all var(--transition);backdrop-filter:blur(6px)}
.process-card:hover{background:rgba(255,255,255,.14);transform:translateY(-6px)}
.process-num{width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--primary);font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 6px 18px rgba(232,163,61,.4)}
.process-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-card p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.75}
.faq-section{padding:70px 0}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:all var(--transition);border:1px solid transparent}
.faq-item:hover{border-color:var(--accent);box-shadow:var(--shadow-hover)}
.faq-item h3{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:10px;display:flex;align-items:center;gap:10px;line-height:1.5}
.faq-item h3 i{color:var(--accent);font-size:15px}
.faq-item p{font-size:14px;color:var(--text-soft);line-height:1.8}
.cta-section{padding:60px 0 80px}
.cta-box{background:linear-gradient(135deg,var(--accent-soft),#fff);border:1px solid var(--border);border-radius:24px;padding:50px 40px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-80px;right:-80px;width:220px;height:220px;border-radius:50%;background:rgba(232,163,61,.12)}
.cta-box::after{content:'';position:absolute;bottom:-60px;left:-60px;width:160px;height:160px;border-radius:50%;background:rgba(19,41,75,.06)}
.cta-box h2{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:12px}
.cta-box p{font-size:16px;color:var(--text-soft);margin-bottom:28px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;position:relative;z-index:2}
.site-footer{background:var(--primary-deep);color:#cbd5e1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand p{font-size:14px;line-height:1.8;color:#9fb0c7;margin-top:18px;max-width:320px}
.site-footer .brand-txt strong{color:#fff}
.site-footer .brand-txt small{color:#9fb0c7}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#9fb0c7;transition:all var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#9fb0c7;margin-bottom:12px}
.footer-contact i{color:var(--accent);width:16px;text-align:center}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:24px 0;font-size:13px;color:#7d8ba3}
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-wrap{height:64px}
  .nav-menu{position:fixed;top:64px;left:0;right:0;background:var(--card);flex-direction:column;align-items:stretch;padding:14px 20px;border-bottom:1px solid var(--border);box-shadow:0 16px 30px rgba(15,30,60,.12);transform:translateY(-130%);opacity:0;visibility:hidden;transition:all .36s ease;gap:6px;max-height:calc(100vh - 64px);overflow-y:auto}
  .nav-menu.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:13px 16px}
  .nav-right .btn-cta{display:none}
  .nav-toggle{display:flex}
  .page-hero{padding:52px 0 46px}
  .page-hero h1{font-size:26px}
  .page-hero p{font-size:15px}
  .article-body{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .faq-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .sidebar{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:24px}
  .cta-box{padding:36px 22px}
  .cta-btns{flex-direction:column;align-items:center}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .brand-txt strong{font-size:17px}
  .brand-ico{width:38px;height:38px;font-size:16px}
  .rel-img{height:200px}
}

/* roulang page: category1 */
:root {
            --primary: #1a56db;
            --primary-dark: #1e40af;
            --primary-light: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f5f7fb;
            --bg-white: #ffffff;
            --text: #111827;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);
            --shadow: 0 4px 16px rgba(0, 0, 0, .06);
            --shadow-lg: 0 14px 36px rgba(0, 0, 0, .08);
            --transition: .25s ease;
            --header-h: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 12px rgba(17, 24, 39, .04);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-ico {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(26, 86, 219, .3);
        }
        .brand-txt {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-txt strong {
            font-size: 19px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .5px;
        }
        .brand-txt small {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 32px;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 10px;
            transition: color var(--transition), background var(--transition);
        }
        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-cta {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 86, 219, .28);
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(26, 86, 219, .34);
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .btn-cta:focus-visible,
        .nav-link:focus-visible,
        .btn-ghost:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--border);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(17, 24, 39, .88), rgba(30, 64, 175, .76)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 92px 0 88px;
            text-align: center;
            color: #fff;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 22px;
            letter-spacing: .5px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb-sep {
            color: rgba(255, 255, 255, .4);
        }
        .banner-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: .5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 18px rgba(0, 0, 0, .28);
        }
        .banner-subtitle {
            font-size: 17px;
            max-width: 620px;
            margin: 0 auto;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .24);
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 13px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .banner-badge i {
            color: var(--accent);
        }

        /* Section */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 16px;
            background: var(--primary-light);
            border-radius: 100px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* Intro Cards */
        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .intro-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            transition: all var(--transition);
        }
        .intro-card:hover {
            border-color: rgba(26, 86, 219, .2);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .intro-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .intro-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .intro-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* Stats */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            color: #fff;
            box-shadow: 0 14px 36px rgba(26, 86, 219, .22);
        }
        .stat-item {
            text-align: center;
            padding: 12px;
        }
        .stat-num {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
        }

        /* Entry Cards */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .entry-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }
        .entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: rgba(26, 86, 219, .18);
        }
        .entry-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .entry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }
        .entry-card:hover .entry-img img {
            transform: scale(1.05);
        }
        .entry-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(17, 24, 39, .42), transparent 60%);
        }
        .entry-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .92);
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
        }
        .entry-body {
            padding: 26px 26px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .entry-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .entry-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
        }
        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: gap var(--transition);
        }
        .entry-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .step-item {
            position: relative;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 38px 28px 30px;
            text-align: center;
            transition: all var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(26, 86, 219, .18);
        }
        .step-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 16px;
            -webkit-text-stroke: 1px rgba(26, 86, 219, .15);
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 18px;
            z-index: 2;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            max-width: 880px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 16px;
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(26, 86, 219, .18);
            transform: translateX(4px);
        }
        .news-thumb {
            width: 92px;
            height: 68px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-info {
            flex: 1;
        }
        .news-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text);
            transition: color var(--transition);
        }
        .news-title:hover {
            color: var(--primary);
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-meta i {
            font-size: 11px;
            color: var(--primary);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(26, 86, 219, .2);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: var(--primary-light);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }
        .faq-item[open] .faq-icon {
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 22px 20px 62px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-box {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 18px 44px rgba(26, 86, 219, .3);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .cta-actions .btn-primary-light {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(0, 0, 0, .12);
        }
        .cta-actions .btn-primary-light:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(0, 0, 0, .16);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 68px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .brand-txt strong {
            color: #fff;
        }
        .footer-brand .brand-txt small {
            color: #94a3b8;
        }
        .footer-brand .brand-ico {
            background: linear-gradient(135deg, var(--primary), #3b82f6);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 18px;
            max-width: 320px;
            color: #94a3b8;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: .3px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: #94a3b8;
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
            color: #94a3b8;
        }
        .footer-contact i {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border-radius: 8px;
            font-size: 13px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #64748b;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                margin-left: 14px;
                gap: 2px;
            }
            .nav-link {
                padding: 9px 13px;
                font-size: 14px;
            }
            .intro-grid,
            .stats-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .section {
                padding: 64px 0;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .nav-menu {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 18px 24px 22px;
                gap: 8px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, .1);
                transform: translateY(-16px);
                opacity: 0;
                visibility: hidden;
                transition: all .3s ease;
                border-bottom: 1px solid var(--border);
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                padding: 13px 16px;
                font-size: 15px;
                display: flex;
                align-items: center;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-right .btn-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .page-banner {
                padding: 70px 0 64px;
            }
            .banner-title {
                font-size: 30px;
            }
            .banner-subtitle {
                font-size: 15px;
            }
            .section {
                padding: 54px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-head {
                margin-bottom: 38px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-bottom: 28px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr 1fr;
                padding: 28px 16px;
                gap: 8px;
            }
            .stat-num {
                font-size: 28px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .entry-img {
                height: 170px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-arrow {
                display: none;
            }
            .step-item {
                padding: 28px 22px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 150px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 23px;
            }
            .cta-desc {
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-answer {
                padding: 0 18px 18px 50px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .brand-txt strong {
                font-size: 17px;
            }
            .brand-txt small {
                font-size: 11px;
            }
            .brand-ico {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .banner-title {
                font-size: 25px;
            }
            .banner-subtitle {
                font-size: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                padding: 24px 16px;
                gap: 18px;
            }
            .stat-item {
                padding: 4px;
            }
            .section-title {
                font-size: 23px;
            }
            .entry-body h3 {
                font-size: 18px;
            }
            .news-thumb {
                height: 130px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f1e3d;
  --primary-light: #1a2d55;
  --primary-deep: #08132a;
  --accent: #e8b923;
  --accent-light: #f5c84c;
  --accent-dark: #c9a015;
  --bg: #f5f7fb;
  --white: #ffffff;
  --text: #1a2332;
  --text-light: #5a6b84;
  --text-muted: #8a97ac;
  --border: #e4e8f0;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(15, 30, 61, .08);
  --shadow-lg: 0 18px 44px rgba(15, 30, 61, .13);
  --space-xl: 100px;
  --space-lg: 78px;
  --space-md: 52px;
  --space-sm: 28px;
  --header-h: 76px;
  --transition: .25s cubic-bezier(.4, 0, .2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input,
textarea {
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== 通用标题 ===== */
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 185, 35, .12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-tag i {
  font-size: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.section-desc {
  margin-top: 12px;
  font-size: 1.02rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 28px;
  border-radius: 100px;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 185, 35, .32);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, .55);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .12);
  border-color: var(--white);
  transform: translateY(-2px);
}

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

.btn-dark:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15, 30, 61, .25);
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

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

.brand-ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  box-shadow: 0 4px 14px rgba(15, 30, 61, .22);
}

.brand-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-txt strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
}

.brand-txt small {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 2px;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  padding: 10px 18px;
  border-radius: 100px;
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(15, 30, 61, .04);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(15, 30, 61, .06);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 4px;
  background: var(--accent);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.btn-cta {
  padding: 10px 22px;
  font-size: 14px;
  background: var(--primary);
  color: var(--white);
}

.btn-cta:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(15, 30, 61, .2);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}

/* ===== Hero ===== */
.page-banner {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(120deg, rgba(8, 19, 42, .88) 0%, rgba(15, 30, 61, .72) 55%, rgba(15, 30, 61, .55) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 80px 0 70px;
  overflow: hidden;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, rgba(245, 247, 251, .85) 70%, var(--bg) 100%);
  pointer-events: none;
}

.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 185, 35, .18);
  border: 1px solid rgba(232, 185, 35, .32);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 22px;
}

.banner-title {
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.banner-title span {
  color: var(--accent-light);
}

.banner-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 36px;
  max-width: 620px;
}

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

.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.banner-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
}

.banner-meta-item i {
  color: var(--accent-light);
  font-size: 15px;
}

/* ===== 通用板块 ===== */
.section {
  padding: var(--space-lg) 0;
}

.section-alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ===== 玩法分类卡片 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.play-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.play-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 185, 35, .35);
}

.play-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.play-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.play-card:hover .play-card-img img {
  transform: scale(1.05);
}

.play-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 30, 61, .45) 0%, transparent 50%);
}

.play-card-body {
  padding: 26px;
}

.play-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent-dark);
  background: rgba(232, 185, 35, .12);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.play-card-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.play-card-body p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.75;
}

.play-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition);
}

.play-card-link:hover {
  color: var(--accent-dark);
}

/* ===== 流程区块 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step-counter;
}

.step-item {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 30px 30px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.step-item::before {
  counter-increment: step-counter;
  content: "0" counter(step-counter);
  position: absolute;
  top: 22px;
  right: 24px;
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(15, 30, 61, .07);
  line-height: 1;
}

.step-ico {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 20px;
  box-shadow: 0 6px 16px rgba(15, 30, 61, .18);
}

.step-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.75;
}

/* ===== 资讯列表 ===== */
.news-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  transition: all var(--transition);
}

.news-item:hover {
  border-color: rgba(232, 185, 35, .4);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.news-ico {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(15, 30, 61, .06);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
}

.news-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.news-content p {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.6;
}

.news-content .news-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--accent-dark);
  font-weight: 600;
}

/* ===== 数据统计 ===== */
.stats-section {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white);
  border-radius: 28px;
  padding: 56px 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin: var(--space-lg) 0;
}

.stats-item {
  text-align: center;
  padding: 10px 16px;
}

.stats-number {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stats-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  letter-spacing: 1px;
}

.stats-divider {
  width: 1px;
  background: rgba(255, 255, 255, .16);
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.faq-item:hover {
  border-color: rgba(232, 185, 35, .35);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px 26px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  gap: 20px;
}

.faq-question i {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--accent-dark);
  transition: transform var(--transition);
}

.faq-item.open .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 26px 22px;
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 28px;
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: var(--space-lg) 0;
  overflow: hidden;
  position: relative;
}

.cta-section::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(232, 185, 35, .12);
  pointer-events: none;
}

.cta-left {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.cta-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, .78);
  max-width: 480px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0b1524;
  color: rgba(255, 255, 255, .75);
  padding-top: 64px;
  margin-top: 40px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .8fr .8fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand .brand-txt strong {
  color: var(--white);
}

.footer-brand .brand-txt small {
  color: rgba(255, 255, 255, .55);
}

.footer-brand p {
  margin-top: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  letter-spacing: .5px;
}

.footer-links li {
  margin-bottom: 9px;
}

.footer-links a {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent-light);
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
  color: rgba(255, 255, 255, .6);
}

.footer-contact i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .42);
}

/* ===== 焦点状态 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(232, 185, 35, .55);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

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

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

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(15, 30, 61, .12);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all .35s ease;
    margin-left: 0;
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    padding: 14px 18px;
    border-radius: 10px;
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 58px;
    --space-md: 36px;
  }

  .page-banner {
    min-height: 400px;
    padding: 60px 0 54px;
  }

  .banner-title {
    font-size: 2.1rem;
  }

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

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

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

  .news-list {
    grid-template-columns: 1fr;
  }

  .stats-section {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    gap: 20px;
  }

  .stats-divider {
    width: 100%;
    height: 1px;
  }

  .cta-section {
    flex-direction: column;
    text-align: center;
    padding: 44px 28px;
  }

  .cta-actions {
    justify-content: center;
  }

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

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

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .nav-wrap {
    gap: 12px;
  }

  .brand-txt small {
    display: none;
  }

  .btn-cta {
    display: none;
  }

  .banner-meta {
    gap: 14px;
  }

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

  .play-card-body {
    padding: 22px;
  }

  .step-item {
    padding: 28px 22px 24px;
  }

  .news-item {
    flex-direction: column;
    padding: 20px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

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