/* roulang page: index */
:root {
  --brand: #0d1b2a;
  --brand-dark: #081524;
  --brand-light: #142b3d;
  --gold: #c8a46a;
  --gold-light: #dfc08a;
  --gold-dark: #a88450;
  --bg: #f4f5f7;
  --text: #1a2332;
  --text-soft: #5b6b7c;
  --border: #e3e7ec;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(13, 27, 42, .06);
  --shadow-md: 0 8px 24px rgba(13, 27, 42, .10);
  --shadow-lg: 0 16px 40px rgba(13, 27, 42, .16);
  --transition: all .25s ease;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  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: var(--transition);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
::selection {
  background: rgba(200, 164, 106, .3);
}
.container-x {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.section-pad {
  padding-top: 88px;
  padding-bottom: 88px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--brand);
}
.section-sub {
  font-size: 16px;
  color: var(--text-soft);
  margin-top: 8px;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 44px;
}
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, #dfc08a 0%, #c8a46a 50%, #b38a4a 100%);
  color: #0d1b2a;
  box-shadow: 0 4px 16px rgba(200, 164, 106, .32);
}
.btn-gold:hover {
  box-shadow: 0 6px 22px rgba(200, 164, 106, .5);
  transform: translateY(-2px);
}
.btn-outline {
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
  background: transparent;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(13, 27, 42, .22);
}
.btn-dark:hover {
  background: #1a3147;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(13, 27, 42, .28);
}
/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(200, 164, 106, .12);
  color: var(--gold-dark);
  border: 1px solid rgba(200, 164, 106, .28);
}
.tag-dark {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border-color: rgba(255, 255, 255, .22);
}
/* 卡片 */
.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
/* 导航 */
.site-header {
  background: var(--brand);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  font-size: 26px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .04em;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 164, 106, .2);
  display: inline-block;
}
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  padding: 7px 8px 7px 16px;
  width: 280px;
}
.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  width: 100%;
}
.header-search input::placeholder {
  color: rgba(255, 255, 255, .55);
}
.search-btn {
  background: var(--gold);
  color: var(--brand);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: var(--transition);
  padding: 0;
}
.search-btn:hover {
  background: var(--gold-light);
  transform: scale(1.05);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #dfc08a, #c8a46a);
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
}
.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(200, 164, 106, .4);
}
.nav-tabs-wrap {
  background: var(--brand-dark);
  border-top: 1px solid rgba(255, 255, 255, .05);
}
.nav-tabs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}
.nav-tabs::-webkit-scrollbar {
  display: none;
}
.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 13px 18px;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
}
.nav-tab i {
  font-size: 13px;
  opacity: .8;
}
.nav-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, .05);
}
.nav-tab.active {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
  font-weight: 600;
}
/* Hero */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 140px 0 120px;
  overflow: hidden;
}
.hero:before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 21, 36, .94) 0%, rgba(13, 27, 42, .86) 40%, rgba(13, 27, 42, .5) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(200, 164, 106, .18);
  border: 1px solid rgba(200, 164, 106, .3);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: .01em;
  color: #fff;
}
.hero-title span {
  color: var(--gold-light);
}
.hero-desc {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
  max-width: 540px;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 520px;
}
.stat-item {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 18px 20px;
  backdrop-filter: blur(4px);
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  margin-top: 4px;
}
/* 核心说明 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  padding: 38px 32px;
  text-align: left;
}
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(200, 164, 106, .16), rgba(200, 164, 106, .06));
  border: 1px solid rgba(200, 164, 106, .2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--gold-dark);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}
/* 分类入口 */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.cat-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.cat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.cat-card:before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 21, 36, .92) 0%, rgba(8, 21, 36, .35) 60%, rgba(8, 21, 36, .1) 100%);
  transition: var(--transition);
}
.cat-card:hover:before {
  background: linear-gradient(to top, rgba(8, 21, 36, .95) 0%, rgba(8, 21, 36, .45) 60%, rgba(8, 21, 36, .2) 100%);
}
.cat-card-body {
  position: relative;
  z-index: 2;
  padding: 36px 32px;
  color: #fff;
  width: 100%;
}
.cat-card-body .cat-name {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.cat-card-body .cat-desc {
  font-size: 14.5px;
  color: rgba(255, 255, 255, .8);
  line-height: 1.7;
  max-width: 420px;
}
.cat-card-body .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-light);
}
/* 最新信息 */
.latest-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.content-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.content-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.content-row:hover {
  border-color: rgba(200, 164, 106, .4);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.content-row-main {
  flex: 1;
  min-width: 0;
}
.content-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-dark);
  background: rgba(200, 164, 106, .12);
  border-radius: 4px;
  padding: 2px 10px;
  margin-bottom: 8px;
}
.content-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.5;
  transition: var(--transition);
}
a .content-title:hover {
  color: var(--gold-dark);
}
.content-desc {
  font-size: 14px;
  color: var(--text-soft);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.content-row-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.content-time {
  font-size: 13px;
  color: #8a95a3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.content-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  transition: var(--transition);
}
.content-more:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.empty-tip {
  padding: 48px;
  text-align: center;
  color: var(--text-soft);
  font-size: 15px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}
/* 流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.process-item {
  position: relative;
  padding: 32px 28px 30px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.process-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--brand);
  color: var(--gold-light);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 18px;
}
.process-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 8px;
}
.process-item p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}
/* 图文区块 */
.featured-section {
  background: var(--brand);
  position: relative;
  overflow: hidden;
}
.featured-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.featured-img {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, .12);
}
.featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}
.featured-content {
  color: #fff;
}
.featured-content .section-title {
  color: #fff;
}
.featured-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.featured-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
}
.featured-list li i {
  color: var(--gold-light);
  margin-top: 5px;
  font-size: 15px;
  flex-shrink: 0;
}
/* FAQ */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(200, 164, 106, .4);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--brand);
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--gold-dark);
}
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-soft);
  transition: var(--transition);
}
.faq-item[open] .faq-icon {
  background: var(--brand);
  color: var(--gold-light);
  border-color: var(--brand);
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 26px 24px;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.8;
}
/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section:before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(200, 164, 106, .12);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
}
.cta-inner p {
  color: rgba(255, 255, 255, .75);
  font-size: 16px;
  margin-top: 12px;
  line-height: 1.8;
}
.cta-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
/* 页脚 */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, .7);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  font-size: 24px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 14px;
}
.footer-h {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .6);
}
.footer-contact i {
  color: var(--gold);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  font-size: 13px;
  text-align: center;
  color: rgba(255, 255, 255, .45);
}
/* 响应式 */
@media (max-width: 1024px) {
  .container-x {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section-pad {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .feature-grid {
    gap: 20px;
  }
  .feature-card {
    padding: 28px 22px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}
@media (max-width: 768px) {
  .header-top {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  .header-search {
    order: 3;
    width: 100%;
  }
  .hero {
    padding: 90px 0 80px;
  }
  .hero-title {
    font-size: 36px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .section-title {
    font-size: 26px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .cat-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .cat-card {
    min-height: 260px;
  }
  .content-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
  }
  .content-row-meta {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }
  .featured-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .nav-tabs {
    padding: 0 8px;
  }
  .nav-tab {
    padding: 12px 14px;
    font-size: 14px;
  }
}
@media (max-width: 520px) {
  .hero-title {
    font-size: 29px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .section-pad {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  .cat-card-body {
    padding: 24px 20px;
  }
  .cat-card-body .cat-name {
    font-size: 20px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner h2 {
    font-size: 25px;
  }
  .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #0e7c66;
    --primary-dark: #0a5c4a;
    --primary-light: #d1f0e8;
    --accent: #c9a25e;
    --accent-dark: #a8843e;
    --dark: #0d1f1a;
    --bg: #f6f8f7;
    --card-bg: #ffffff;
    --text: #1e2a26;
    --text-light: #5c6b66;
    --border: #e3e8e6;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(13, 31, 26, 0.06);
    --shadow-md: 0 8px 24px rgba(13, 31, 26, 0.08);
    --shadow-lg: 0 16px 40px rgba(13, 31, 26, 0.12);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  button { cursor: pointer; border: none; background: none; }
  input { outline: none; border: none; }
  ul, ol { list-style: none; }

  .container-x { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  @media (max-width: 640px) { .container-x { padding: 0 16px; } }

  /* ===== Header ===== */
  .site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(13, 31, 26, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .header-top {
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
  }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
    white-space: nowrap;
  }
  .logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
    box-shadow: 0 0 12px rgba(201, 162, 94, 0.6);
  }
  .header-search {
    display: flex;
    align-items: center;
    flex: 1;
    max-width: 360px;
    background: #f2f5f4;
    border-radius: 999px;
    padding: 4px 6px 4px 16px;
    border: 1px solid var(--border);
    transition: all .3s;
  }
  .header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 124, 102, 0.1);
    background: #fff;
  }
  .header-search input { flex: 1; background: transparent; font-size: 14px; color: var(--text); min-width: 0; }
  .header-search input::placeholder { color: #9aa6a2; }
  .search-btn {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; transition: all .3s; flex-shrink: 0;
  }
  .search-btn:hover { background: var(--primary-dark); }
  .header-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff; padding: 8px 18px; border-radius: 999px;
    font-size: 14px; font-weight: 600; transition: all .3s;
    box-shadow: 0 4px 12px rgba(201, 162, 94, 0.3);
    white-space: nowrap;
  }
  .header-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(201, 162, 94, 0.4); }
  .nav-tabs-wrap { border-top: 1px solid #f0f2f0; background: #fafbfa; }
  .nav-tabs {
    display: flex; gap: 4px;
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-tabs::-webkit-scrollbar { display: none; }
  .nav-tab {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 11px 20px; font-size: 14px; font-weight: 600;
    color: var(--text-light); white-space: nowrap;
    border-bottom: 2px solid transparent; transition: all .3s;
  }
  .nav-tab i { font-size: 15px; color: #9aa6a2; transition: color .3s; }
  .nav-tab:hover { color: var(--primary); background: rgba(14, 124, 102, 0.06); }
  .nav-tab:hover i { color: var(--primary); }
  .nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); background: rgba(14, 124, 102, 0.04); }
  .nav-tab.active i { color: var(--primary); }

  /* ===== Footer ===== */
  .site-footer { background: #0d1f1a; color: #b0c4bd; margin-top: 80px; }
  .footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px; padding: 60px 0 40px;
  }
  .footer-brand .logo { color: #fff; font-size: 22px; }
  .footer-brand p { margin-top: 14px; font-size: 14px; line-height: 1.8; color: #8aa39b; }
  .footer-h { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
  .footer-links { display: flex; flex-direction: column; gap: 10px; }
  .footer-links a { color: #8aa39b; font-size: 14px; transition: all .3s; }
  .footer-links a:hover { color: var(--accent); padding-left: 4px; }
  .footer-contact { display: flex; flex-direction: column; gap: 10px; }
  .footer-contact li { font-size: 14px; color: #8aa39b; display: flex; align-items: center; gap: 8px; }
  .footer-contact li i { color: var(--accent); }
  .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; text-align: center; font-size: 13px; color: #5f7b73; }

  /* ===== Category Hero ===== */
  .cat-hero {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    isolation: isolate;
  }
  .cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(6, 28, 23, 0.92) 0%, rgba(10, 50, 40, 0.78) 55%, rgba(13, 31, 26, 0.42) 100%);
    z-index: -1;
  }

  /* ===== Card hover ===== */
  .strategy-card {
    transition: all .4s cubic-bezier(.22, 1, .36, 1);
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  .strategy-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(14, 124, 102, 0.2);
  }
  .strategy-card:hover .card-img {
    transform: scale(1.06);
  }

  /* ===== Topic row ===== */
  .topic-row {
    transition: all .4s ease;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  .topic-row:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(201, 162, 94, 0.35);
  }

  /* ===== FAQ accordion ===== */
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all .3s;
  }
  .faq-item.open { border-color: rgba(14, 124, 102, 0.3); box-shadow: var(--shadow-sm); }
  .faq-q {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px; cursor: pointer; font-weight: 600;
    font-size: 15px; color: var(--text); transition: background .3s;
  }
  .faq-q:hover { background: var(--bg); }
  .faq-q i { transition: transform .4s; color: var(--primary); font-size: 14px; }
  .faq-item.open .faq-q i { transform: rotate(180deg); }
  .faq-a {
    max-height: 0; overflow: hidden; transition: max-height .5s cubic-bezier(.22, 1, .36, 1);
  }
  .faq-item.open .faq-a { max-height: 250px; }
  .faq-a-inner { padding: 0 22px 20px; font-size: 14px; color: var(--text-light); line-height: 1.8; }

  /* ===== CTA ===== */
  .cta-banner {
    position: relative;
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    overflow: hidden;
    isolation: isolate;
  }
  .cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(6, 28, 23, 0.92), rgba(10, 50, 40, 0.75));
    z-index: -1;
  }

  /* ===== Section spacing helper ===== */
  .section-space { padding: 72px 0; }
  @media (max-width: 768px) { .section-space { padding: 48px 0; } }

  /* ===== Step number ===== */
  .step-num {
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(201, 162, 94, 0.15);
    border: 1px solid rgba(201, 162, 94, 0.4);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 18px; color: var(--accent);
    flex-shrink: 0;
  }

  /* ===== Responsive ===== */
  @media (max-width: 768px) {
    .header-top {
      flex-wrap: wrap;
      gap: 10px;
      padding: 12px 16px;
    }
    .header-search { order: 3; flex-basis: 100%; max-width: 100%; }
    .header-cta { display: none; }
    .logo { font-size: 20px; }
    .nav-tabs { padding: 0 16px; }
    .nav-tab { padding: 10px 14px; font-size: 13px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; padding: 40px 0 30px; }
    .cat-hero { min-height: 300px; }
    .section-space { padding: 40px 0; }
  }
  @media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .cat-hero { min-height: 260px; }
  }

/* roulang page: article */
:root {
        --brand-900: #102437;
        --brand-800: #16324a;
        --brand-700: #1f4260;
        --brand-600: #2a5474;
        --brand-500: #3b6e93;
        --brand-100: #dde7f0;
        --brand-50: #f0f4f8;
        --gold-500: #bf8e40;
        --gold-400: #cda55b;
        --gold-300: #dcbd7e;
        --gold-100: #f5ebd8;
        --gold-50: #fbf7ef;
        --bg-body: #f6f5f2;
        --text-primary: #1e293b;
        --text-secondary: #64748b;
        --border-light: #e2e8f0;
        --radius-lg: 1rem;
        --radius-md: 0.75rem;
        --radius-sm: 0.5rem;
        --shadow-card: 0 4px 24px rgba(16, 36, 55, 0.08);
        --shadow-hover: 0 10px 36px rgba(16, 36, 55, 0.14);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        background-color: var(--bg-body);
        color: var(--text-primary);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

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

    .container-x {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    /* ====== Header ====== */
    .site-header {
        background: #fff;
        border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        box-shadow: 0 2px 12px rgba(16, 36, 55, 0.06);
        position: sticky;
        top: 0;
        z-index: 50;
    }

    .header-top {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 1.25rem;
        padding: 0.9rem 1.25rem;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--brand-900);
        letter-spacing: 0.02em;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .logo-dot {
        width: 0.55rem;
        height: 0.55rem;
        border-radius: 9999px;
        background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
        box-shadow: 0 0 0 4px rgba(191, 142, 64, 0.15);
        display: inline-block;
    }

    .header-search {
        flex: 1;
        max-width: 420px;
        display: flex;
        align-items: center;
        background: var(--bg-body);
        border: 1px solid var(--border-light);
        border-radius: 9999px;
        padding: 0.35rem 0.35rem 0.35rem 1rem;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .header-search:focus-within {
        border-color: var(--gold-400);
        box-shadow: 0 0 0 4px rgba(191, 142, 64, 0.12);
        background: #fff;
    }

    .header-search input {
        flex: 1;
        font-size: 0.9rem;
        color: var(--text-primary);
        background: transparent;
        min-width: 0;
    }

    .header-search input::placeholder {
        color: #94a3b8;
    }

    .search-btn {
        width: 2.25rem;
        height: 2.25rem;
        border-radius: 9999px;
        background: var(--brand-700);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background-color 0.2s ease, transform 0.15s ease;
        flex-shrink: 0;
    }

    .search-btn:hover {
        background: var(--brand-600);
        transform: scale(1.04);
    }

    .search-btn:active {
        transform: scale(0.96);
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        padding: 0.55rem 1.1rem;
        border-radius: 9999px;
        box-shadow: 0 4px 14px rgba(191, 142, 64, 0.3);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .header-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(191, 142, 64, 0.38);
        color: #fff;
    }

    .nav-tabs-wrap {
        border-top: 1px solid rgba(226, 232, 240, 0.6);
        background: #fff;
    }

    .nav-tabs {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 0.25rem;
        padding: 0.4rem 1.25rem;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .nav-tabs::-webkit-scrollbar {
        display: none;
    }

    .nav-tab {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        padding: 0.55rem 1.1rem;
        border-radius: 9999px;
        font-size: 0.93rem;
        font-weight: 600;
        color: #475569;
        white-space: nowrap;
        transition: background-color 0.2s ease, color 0.2s ease;
    }

    .nav-tab i {
        font-size: 0.9rem;
        opacity: 0.8;
    }

    .nav-tab:hover {
        background: var(--brand-50);
        color: var(--brand-700);
    }

    .nav-tab.active {
        background: var(--brand-800);
        color: #fff;
        box-shadow: 0 4px 12px rgba(16, 36, 55, 0.2);
    }

    /* ====== Article Hero ====== */
    .article-hero {
        position: relative;
        padding: 3.5rem 0 3rem;
        background-image: linear-gradient(135deg, rgba(10, 24, 38, 0.93), rgba(31, 66, 96, 0.86)), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        color: #fff;
        overflow: hidden;
    }

    .article-hero::after {
        content: '';
        position: absolute;
        right: -5rem;
        top: -3rem;
        width: 18rem;
        height: 18rem;
        border-radius: 9999px;
        background: rgba(191, 142, 64, 0.12);
        filter: blur(2px);
    }

    .article-hero .container-x {
        position: relative;
        z-index: 1;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.4rem;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 1.8rem;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, 0.85);
        transition: color 0.2s ease;
    }

    .breadcrumb a:hover {
        color: var(--gold-300);
    }

    .breadcrumb .sep {
        color: rgba(255, 255, 255, 0.35);
    }

    .article-hero-inner {
        max-width: 820px;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        padding: 0.3rem 0.85rem;
        border-radius: 9999px;
        font-size: 0.8rem;
        font-weight: 600;
        background: rgba(255, 255, 255, 0.14);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.18);
        backdrop-filter: blur(6px);
        margin-bottom: 1rem;
    }

    .badge-gold {
        background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
        border: none;
        box-shadow: 0 4px 14px rgba(191, 142, 64, 0.3);
    }

    .article-hero-title {
        font-size: clamp(1.6rem, 3.5vw, 2.5rem);
        font-weight: 800;
        line-height: 1.35;
        letter-spacing: 0.01em;
        margin-bottom: 1.2rem;
        color: #fff;
        text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
    }

    .article-hero-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.88rem;
        color: rgba(255, 255, 255, 0.75);
    }

    .article-hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
    }

    .article-hero-meta i {
        color: var(--gold-300);
    }

    /* ====== Article Section ====== */
    .article-section {
        padding: 3rem 0 3.5rem;
    }

    .article-content {
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 2rem 2.25rem;
        font-size: 1.05rem;
        line-height: 1.9;
        color: #334155;
    }

    .article-content > * + * {
        margin-top: 1.1em;
    }

    .article-content h2 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--brand-800);
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        padding-bottom: 0.4rem;
        border-bottom: 2px solid var(--gold-100);
    }

    .article-content h3 {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--brand-700);
        margin-top: 1.5em;
        margin-bottom: 0.5em;
    }

    .article-content h4 {
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--brand-600);
        margin-top: 1.3em;
        margin-bottom: 0.4em;
    }

    .article-content p {
        margin-bottom: 1.1em;
    }

    .article-content ul,
    .article-content ol {
        padding-left: 1.5rem;
        margin: 1.1em 0;
    }

    .article-content ul {
        list-style: disc;
    }

    .article-content ol {
        list-style: decimal;
    }

    .article-content li {
        margin-bottom: 0.45em;
    }

    .article-content blockquote {
        border-left: 4px solid var(--gold-400);
        background: var(--gold-50);
        padding: 0.8rem 1.2rem;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: #5b4d3a;
        font-style: italic;
        margin: 1.4em 0;
    }

    .article-content img {
        border-radius: var(--radius-md);
        box-shadow: 0 4px 20px rgba(16, 36, 55, 0.1);
        margin: 1.5em 0;
    }

    .article-content a {
        color: var(--brand-600);
        font-weight: 600;
        border-bottom: 1px solid transparent;
    }

    .article-content a:hover {
        color: var(--brand-800);
        border-bottom-color: var(--brand-400);
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5em 0;
        font-size: 0.95rem;
    }

    .article-content th,
    .article-content td {
        padding: 0.75rem 1rem;
        border: 1px solid var(--border-light);
        text-align: left;
    }

    .article-content th {
        background: var(--brand-50);
        font-weight: 600;
        color: var(--brand-800);
    }

    .article-content code {
        background: #f1f5f9;
        padding: 0.15rem 0.4rem;
        border-radius: 0.3rem;
        font-family: ui-monospace, monospace;
        font-size: 0.9em;
    }

    .article-footer-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 1rem;
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 1.2rem 1.5rem;
        margin-top: 1.25rem;
        font-size: 0.9rem;
        color: var(--text-secondary);
    }

    .article-footer-meta span {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
    }

    .article-footer-meta i {
        color: var(--gold-500);
    }

    /* ====== Not Found ====== */
    .not-found {
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 4rem 2.5rem;
        text-align: center;
    }

    .not-found-icon {
        width: 5rem;
        height: 5rem;
        margin: 0 auto 1.25rem;
        border-radius: 9999px;
        background: var(--gold-50);
        color: var(--gold-500);
        font-size: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .not-found h2 {
        font-size: 1.75rem;
        font-weight: 800;
        color: var(--brand-800);
        margin-bottom: 0.6rem;
    }

    .not-found p {
        color: var(--text-secondary);
        max-width: 420px;
        margin: 0 auto 1.5rem;
    }

    /* ====== Buttons ====== */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        background: linear-gradient(135deg, var(--brand-700), var(--brand-800));
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.7rem 1.5rem;
        border-radius: 9999px;
        box-shadow: 0 4px 14px rgba(16, 36, 55, 0.2);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(16, 36, 55, 0.28);
        color: #fff;
    }

    .btn-primary:active {
        transform: translateY(0) scale(0.98);
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: transparent;
        color: var(--brand-700);
        font-weight: 600;
        font-size: 0.9rem;
        padding: 0.65rem 1.35rem;
        border-radius: 9999px;
        border: 1.5px solid var(--brand-200);
        transition: all 0.2s ease;
        cursor: pointer;
    }

    .btn-outline:hover {
        border-color: var(--brand-500);
        background: var(--brand-50);
        color: var(--brand-800);
    }

    .btn-light {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: #fff;
        color: var(--brand-800);
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.7rem 1.5rem;
        border-radius: 9999px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        cursor: pointer;
    }

    .btn-light:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        color: var(--brand-800);
    }

    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        padding: 0.7rem 1.5rem;
        border-radius: 9999px;
        border: 1.5px solid rgba(255, 255, 255, 0.45);
        backdrop-filter: blur(6px);
        transition: all 0.2s ease;
        cursor: pointer;
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: #fff;
        color: #fff;
    }

    .btn-block {
        width: 100%;
    }

    /* ====== Sidebar ====== */
    .sidebar {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
    }

    .sidebar-card {
        background: #fff;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 1.5rem;
        transition: box-shadow 0.25s ease;
    }

    .sidebar-card:hover {
        box-shadow: var(--shadow-hover);
    }

    .sidebar-title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--brand-800);
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 2px solid var(--brand-50);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .sidebar-title::before {
        content: '';
        width: 0.35rem;
        height: 1.1rem;
        border-radius: 9999px;
        background: linear-gradient(180deg, var(--gold-400), var(--gold-500));
    }

    .sidebar-links {
        display: flex;
        flex-direction: column;
        gap: 0.4rem;
    }

    .sidebar-link {
        display: flex;
        align-items: center;
        gap: 0.7rem;
        padding: 0.65rem 0.85rem;
        border-radius: var(--radius-sm);
        font-size: 0.92rem;
        font-weight: 500;
        color: #475569;
        transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
    }

    .sidebar-link i {
        width: 1.4rem;
        text-align: center;
        color: var(--brand-400);
        font-size: 0.95rem;
    }

    .sidebar-link:hover {
        background: var(--brand-50);
        color: var(--brand-700);
        padding-left: 1.1rem;
    }

    .sidebar-card-img {
        position: relative;
        overflow: hidden;
        padding: 0;
    }

    .sidebar-card-img .sidebar-img {
        width: 100%;
        height: 10rem;
        object-fit: cover;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .sidebar-card-img .sidebar-card-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--brand-800);
        padding: 1.25rem 1.5rem 0.4rem;
    }

    .sidebar-card-img .sidebar-card-text {
        font-size: 0.88rem;
        color: var(--text-secondary);
        padding: 0 1.5rem 1rem;
        line-height: 1.6;
    }

    .sidebar-card-img .btn-primary {
        margin: 0 1.5rem 1.5rem;
        width: calc(100% - 3rem);
    }

    /* ====== CTA ====== */
    .cta-section {
        padding: 2rem 0 3.5rem;
    }

    .cta-box {
        position: relative;
        border-radius: 1.5rem;
        background-size: cover;
        background-position: center;
        overflow: hidden;
        padding: 3.5rem 2.5rem;
        text-align: center;
    }

    .cta-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(10, 24, 38, 0.92), rgba(31, 66, 96, 0.78));
    }

    .cta-content {
        position: relative;
        z-index: 1;
        color: #fff;
        max-width: 620px;
        margin: 0 auto;
    }

    .cta-content h2 {
        font-size: clamp(1.5rem, 3vw, 2rem);
        font-weight: 800;
        margin-bottom: 0.75rem;
    }

    .cta-content p {
        color: rgba(255, 255, 255, 0.8);
        margin-bottom: 1.75rem;
        font-size: 1rem;
    }

    .cta-actions {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.9rem;
    }

    /* ====== Footer ====== */
    .site-footer {
        background: var(--brand-950);
        color: #cbd5e1;
        padding-top: 3.5rem;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
        gap: 2.5rem;
        padding-bottom: 2.5rem;
    }

    .footer-brand .logo {
        color: #fff;
        margin-bottom: 0.9rem;
    }

    .footer-brand p {
        font-size: 0.88rem;
        line-height: 1.7;
        color: #94a3b8;
        max-width: 300px;
    }

    .footer-h {
        font-size: 0.95rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 1rem;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.55rem;
    }

    .footer-links a {
        font-size: 0.88rem;
        color: #94a3b8;
        transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .footer-links a:hover {
        color: var(--gold-300);
        padding-left: 0.3rem;
    }

    .footer-contact {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.6rem;
        font-size: 0.88rem;
        color: #94a3b8;
    }

    .footer-contact li {
        display: flex;
        align-items: center;
        gap: 0.6rem;
    }

    .footer-contact i {
        width: 1rem;
        color: var(--gold-400);
        font-size: 0.9rem;
    }

    .footer-bottom {
        border-top: 1px solid rgba(148, 163, 184, 0.15);
        padding: 1.25rem 0;
        font-size: 0.82rem;
        color: #64748b;
        text-align: center;
    }

    /* ====== Responsive ====== */
    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
    }

    @media (max-width: 768px) {
        .header-top {
            flex-wrap: wrap;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
        }

        .header-search {
            order: 3;
            max-width: 100%;
            flex-basis: 100%;
        }

        .header-cta {
            margin-left: auto;
            padding: 0.45rem 0.9rem;
            font-size: 0.82rem;
        }

        .logo {
            font-size: 1.1rem;
        }

        .nav-tabs {
            padding: 0.35rem 0.75rem;
        }

        .article-hero {
            padding: 2.5rem 0 2.2rem;
        }

        .article-content {
            padding: 1.5rem 1.25rem;
        }

        .sidebar {
            margin-top: 0.5rem;
        }

        .cta-box {
            padding: 2.5rem 1.5rem;
        }

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

        .cta-actions .btn-light,
        .cta-actions .btn-outline-light {
            justify-content: center;
        }
    }

    @media (max-width: 520px) {
        .header-cta {
            display: none;
        }

        .article-hero-title {
            font-size: 1.45rem;
        }

        .article-hero-meta {
            gap: 0.6rem;
            font-size: 0.8rem;
        }

        .article-section {
            padding: 1.75rem 0 2.5rem;
        }

        .article-footer-meta {
            flex-direction: column;
            align-items: flex-start;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 1.8rem;
        }

        .not-found {
            padding: 3rem 1.25rem;
        }

        .cta-box {
            border-radius: 1.2rem;
        }
    }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0f2b46;
            --primary-light: #1b3a5c;
            --primary-dark: #0a1f33;
            --accent: #d4a843;
            --accent-light: #e6c571;
            --accent-dark: #b8922e;
            --surface: #f6f7f9;
            --white: #ffffff;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(15, 43, 70, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 43, 70, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 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, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--surface);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container-x {
                padding: 0 16px;
            }
        }

        /* ============ 顶部 Header ============ */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(15, 43, 70, 0.25);
        }

        .header-top {
            max-width: 1200px;
            margin: 0 auto;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.2);
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }

        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--accent);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 9px 18px;
            color: var(--white);
            font-size: 14px;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .header-search .search-btn {
            background: var(--accent);
            border: none;
            width: 44px;
            color: var(--primary-dark);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .header-search .search-btn:hover {
            background: var(--accent-light);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .header-cta:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        /* ============ 导航 Tabs ============ */
        .nav-tabs-wrap {
            background: rgba(255, 255, 255, 0.03);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-tabs {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            transition: var(--transition);
            border-radius: 0;
        }

        .nav-tab i {
            font-size: 13px;
            opacity: 0.8;
        }

        .nav-tab:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-tab.active {
            color: var(--white);
            border-bottom-color: var(--accent);
            font-weight: 700;
        }

        .nav-tab.active i {
            color: var(--accent);
            opacity: 1;
        }

        /* ============ 页面 Banner ============ */
        .page-banner {
            position: relative;
            padding: 90px 0 70px;
            background: linear-gradient(135deg, rgba(10, 31, 51, 0.92), rgba(15, 43, 70, 0.82)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: var(--white);
            text-align: center;
        }

        .page-banner h1 {
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-banner p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
        }

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .breadcrumb a {
            color: var(--accent-light);
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--white);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 15px;
        }

        .section-overline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        /* ============ 统计块 ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(15, 43, 70, 0.15);
        }

        .stat-card .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .label {
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
        }

        /* ============ 资讯卡片 ============ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 168, 67, 0.4);
        }

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

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

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

        .news-card .cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 31, 51, 0.5), transparent 50%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .news-card:hover .cover::after {
            opacity: 1;
        }

        .news-card .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .news-card .card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 12px;
        }

        .news-card .meta i {
            margin-right: 4px;
            font-size: 11px;
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover h3 {
            color: var(--accent-dark);
        }

        .news-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .news-card .read-more i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }

        .news-card .read-more:hover {
            color: var(--accent-dark);
        }

        .news-card .read-more:hover i {
            transform: translateX(4px);
        }

        /* ============ 标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 32px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(15, 43, 70, 0.04);
        }

        .tag-pill:hover {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(15, 43, 70, 0.15);
        }

        .tag-pill i {
            font-size: 12px;
            color: var(--accent);
        }

        .tag-pill:hover i {
            color: var(--accent-light);
        }

        /* ============ 精选图文 ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

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

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

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

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

        .feature-card:hover .feature-cover img {
            transform: scale(1.04);
        }

        .feature-card .feature-body {
            padding: 28px;
        }

        .feature-card .feature-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
        }

        .feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 14px;
        }

        .feature-link i {
            transition: transform 0.3s ease;
        }

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

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

        /* ============ 时间线 ============ */
        .timeline-wrap {
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            padding-left: 32px;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--primary-light));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -29px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border: 3px solid var(--white);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.25);
        }

        .timeline-item time {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            display: block;
            margin-bottom: 6px;
        }

        .timeline-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.4);
            box-shadow: 0 4px 16px rgba(15, 43, 70, 0.06);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }

        .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: 13px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item[open] summary {
            background: rgba(212, 168, 67, 0.06);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 24px;
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: var(--white);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(212, 168, 67, 0.15);
            border-radius: 50%;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 28px;
            font-size: 15px;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-light,
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-light {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .btn-light:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 168, 67, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-h {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-h::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact li i {
            width: 18px;
            text-align: center;
            color: var(--accent);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }

            .footer-grid > div:last-child {
                grid-column: span 2;
            }
        }

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

            .header-top {
                flex-wrap: wrap;
                padding: 12px 16px;
            }

            .logo {
                font-size: 18px;
            }

            .header-search {
                order: 3;
                max-width: 100%;
                width: 100%;
                flex-basis: 100%;
            }

            .header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }

            .nav-tabs {
                padding: 0 16px;
            }

            .nav-tab {
                padding: 10px 14px;
                font-size: 13px;
            }

            .page-banner {
                padding: 60px 0 50px;
            }

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

            .page-banner p {
                font-size: 14px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }

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

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

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

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

            .footer-grid > div:last-child {
                grid-column: auto;
            }

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

            .faq-item summary {
                font-size: 15px;
                padding: 16px 18px;
            }

            .timeline-wrap {
                padding-left: 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-card {
                padding: 20px 16px;
            }

            .stat-card .num {
                font-size: 28px;
            }

            .nav-tab {
                padding: 10px 12px;
                font-size: 12px;
            }

            .nav-tab i {
                display: none;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-light,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .tag-cloud {
                gap: 8px;
            }

            .tag-pill {
                padding: 8px 16px;
                font-size: 13px;
            }

            .feature-card .feature-body {
                padding: 20px;
            }

            .feature-card h3 {
                font-size: 18px;
            }

            .header-cta span {
                display: none;
            }

            .header-cta i {
                font-size: 16px;
            }
        }