/* roulang page: index */
:root {
  --primary: #0b1d2e;
  --primary-light: #142d42;
  --primary-lighter: #1e3a54;
  --accent: #c9a962;
  --accent-dark: #b08a3e;
  --accent-light: #dcc088;
  --bg: #f7f8fa;
  --bg-dark: #0b1d2e;
  --bg-gray: #eef0f3;
  --white: #ffffff;
  --text: #1a1e26;
  --text-weak: #7a8290;
  --border: #e5e7eb;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.04);
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --container-w: 1200px;
  --section-pad: 90px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 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;
  height: auto;
}

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: var(--section-pad) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .overline {
  display: inline-block;
  background: rgba(201, 169, 98, 0.12);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--primary);
}

.section-header p {
  font-size: 16px;
  color: var(--text-weak);
  max-width: 620px;
  margin: 0 auto;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(201, 169, 98, 0.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 169, 98, 0.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.7);
  box-shadow: none;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--primary);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(11, 29, 46, 0.25);
}
.btn-dark-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  box-shadow: none;
}
.btn-dark-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 3px solid rgba(201, 169, 98, 0.4);
  outline-offset: 2px;
}

/* 顶部信息条 */
.top-info-bar {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 8px 0;
}
.top-info-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.top-info-bar .bar-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.top-info-bar .bar-left i {
  color: var(--accent);
  font-size: 12px;
}
.top-info-bar .bar-right a {
  color: var(--accent-light);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.top-info-bar .bar-right a:hover {
  color: var(--white);
}

/* 主导航 */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand span {
  color: var(--accent);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav .nav-link {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 40px;
  position: relative;
  transition: var(--transition);
}
.main-nav .nav-link:hover {
  color: var(--accent-dark);
  background: rgba(201, 169, 98, 0.08);
}
.main-nav .nav-link.active {
  color: var(--accent-dark);
  background: rgba(201, 169, 98, 0.12);
  font-weight: 600;
}
.nav-cta {
  padding: 11px 26px;
  font-size: 14px;
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}
.mobile-toggle i {
  font-size: 22px;
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11,29,46,0.92) 0%, rgba(11,29,46,0.72) 60%, rgba(11,29,46,0.85) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 120px 0 140px;
  color: var(--white);
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: 1;
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-inner {
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,98,0.16);
  border: 1px solid rgba(201,169,98,0.4);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 24px;
}
.hero-badge i {
  font-size: 12px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.hero h1 .accent-text {
  color: var(--accent);
}
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 640px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 700px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 36px;
}
.hero-stat {
  position: relative;
}
.hero-stat .stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.hero-stat .stat-number .plus {
  color: var(--accent);
  font-size: 22px;
  vertical-align: super;
  margin-left: 2px;
}
.hero-stat .stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}

/* 特色卡片 */
.features-section {
  background: var(--white);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
  background: var(--white);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(201,169,98,0.3);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--primary);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* 分类入口 */
.categories-section {
  background: var(--bg);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  transition: var(--transition);
  border: none;
  box-shadow: var(--shadow-sm);
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.6s ease;
}
.category-card:hover img {
  transform: scale(1.06);
}
.category-card-overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 34px;
  background: linear-gradient(to top, rgba(11,29,46,0.92) 0%, rgba(11,29,46,0.4) 60%, transparent 100%);
  color: var(--white);
}
.category-card .tag {
  display: inline-block;
  background: var(--accent);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.category-card h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
  max-width: 340px;
}
.category-card .btn-dark-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
  padding: 10px 26px;
  font-size: 14px;
}
.category-card .btn-dark-outline:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary);
}

/* 最新资讯 */
.news-section {
  background: var(--white);
}
.news-section .grid-container {
  max-width: var(--container-w);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
  background: var(--white);
}
.news-card .news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.news-card .tag {
  background: rgba(201,169,98,0.1);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
}
.news-card .date {
  font-size: 13px;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card .date i {
  font-size: 12px;
}
.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  flex-grow: 1;
}
.news-card h3 a:hover {
  color: var(--accent-dark);
}
.news-card .news-excerpt {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .read-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card .read-more i {
  font-size: 12px;
  transition: transform 0.3s;
}
.news-card .read-more:hover i {
  transform: translateX(4px);
}
.no-data {
  background: var(--bg);
  border-radius: var(--radius);
  text-align: center;
  padding: 60px 30px;
  color: var(--text-weak);
  font-size: 15px;
  border: 1px dashed var(--border);
}

/* 流程/数据 */
.process-section {
  background: var(--bg-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,169,98,0.12), transparent 60%);
  border-radius: 50%;
}
.process-section .section-header h2 {
  color: var(--white);
}
.process-section .section-header p {
  color: rgba(255,255,255,0.7);
}
.process-section .overline {
  background: rgba(201,169,98,0.2);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 30px 20px;
  position: relative;
}
.process-step::after {
  content: '';
  position: absolute;
  top: 40px;
  right: -16px;
  width: 32px;
  height: 1px;
  background: rgba(255,255,255,0.2);
}
.process-step:last-child::after {
  display: none;
}
.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(201,169,98,0.3);
}
.process-step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--white);
}
.process-step p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* 图文区块 */
.feature-block-section {
  background: var(--white);
}
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-block .block-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.feature-block .block-image img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.feature-block .block-image:hover img {
  transform: scale(1.05);
}
.feature-block .block-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, rgba(11,29,46,0.6), transparent);
}
.block-content .overline {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.block-content h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 20px;
  color: var(--primary);
}
.block-content p {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.8;
  margin-bottom: 24px;
}
.block-points {
  margin-bottom: 30px;
}
.block-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text);
}
.block-points li i {
  color: var(--accent);
  font-size: 15px;
  margin-top: 4px;
}
.block-points li span {
  color: var(--text-weak);
}

/* FAQ */
.faq-section {
  background: var(--bg);
}
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  padding: 22px 30px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item .faq-content {
  padding: 0 30px 22px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  margin: 0 30px 0;
  padding-top: 16px;
}

/* CTA */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(11,29,46,0.92) 0%, rgba(11,29,46,0.8) 60%, rgba(11,29,46,0.92) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 100px 0;
  text-align: center;
  color: var(--white);
}
.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
  margin: 0 auto 32px;
}
.cta-section .cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-section .btn-primary {
  box-shadow: 0 6px 24px rgba(201,169,98,0.4);
}

/* 页脚 */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding-top: 70px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-brand span {
  color: var(--accent);
}
.footer-about {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 340px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul a i {
  font-size: 10px;
  color: var(--accent);
}
.footer-col ul a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}
.footer-contact li i {
  color: var(--accent);
  font-size: 13px;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  padding: 26px 0;
  font-size: 13px;
  text-align: center;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* 响应式 */
@media screen and (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 38px;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .process-step::after {
    display: none;
  }
  .feature-block {
    gap: 40px;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }
  .container {
    padding: 0 20px;
  }
  .site-header .container {
    height: 68px;
  }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    align-items: flex-start;
    gap: 10px;
    border-radius: 0 0 20px 20px;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .main-nav .nav-link {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-cta {
    display: none;
  }
  .hero {
    padding: 80px 0 100px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .feature-block .block-image img {
    min-height: 260px;
  }
  .section-header h2 {
    font-size: 28px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .cta-section {
    padding: 70px 0;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }
}

@media screen and (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero h1 {
    font-size: 26px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .category-card {
    min-height: 240px;
  }
  .category-card h3 {
    font-size: 22px;
  }
  .faq-item summary {
    font-size: 15px;
    padding: 18px 20px;
  }
  .faq-item .faq-content {
    padding: 0 20px 18px;
    font-size: 14px;
    margin: 0 20px 0;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .top-info-bar .bar-right {
    display: none;
  }
  .top-info-bar .bar-left {
    font-size: 12px;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #0f3d5c;
      --primary-dark: #0a2a3f;
      --primary-light: #1a5078;
      --accent: #e8a33d;
      --accent-hover: #d18f2c;
      --accent-soft: #fdf1de;
      --bg-light: #f5f7fa;
      --bg-dark: #0b1e2d;
      --bg-white: #ffffff;
      --text-main: #1a2b3a;
      --text-weak: #6b7c8a;
      --text-white: #f0f4f8;
      --border: #e3e8ee;
      --radius-lg: 18px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow-sm: 0 2px 10px rgba(15, 61, 92, 0.06);
      --shadow-md: 0 10px 30px rgba(15, 61, 92, 0.1);
      --shadow-lg: 0 24px 56px rgba(15, 61, 92, 0.16);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      --font-scale: 1;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: calc(16px * var(--font-scale)); }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background: var(--bg-light);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    ul, ol { list-style: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }

    /* ===== 工具类 ===== */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }
    .section { padding: 88px 0; }
    .section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent-soft);
      color: var(--accent-hover);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.04em;
      padding: 6px 18px;
      border-radius: 60px;
      margin-bottom: 16px;
    }
    .section-tag i { font-size: 12px; }
    .section-title { font-size: clamp(1.8rem, 3.4vw, 2.5rem); line-height: 1.25; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
    .section-desc { font-size: 1.02rem; color: var(--text-weak); line-height: 1.8; }
    .section-line { width: 52px; height: 3px; background: var(--accent); border-radius: 4px; margin: 22px auto 0; }

    /* ===== 顶部信息条 ===== */
    .topbar {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, 0.82);
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .topbar-left { display: flex; align-items: center; gap: 10px; }
    .topbar-left i { color: var(--accent); }
    .topbar-right { display: flex; align-items: center; gap: 20px; }
    .topbar-right a { color: rgba(255, 255, 255, 0.82); display: inline-flex; align-items: center; gap: 6px; }
    .topbar-right a:hover { color: var(--accent); }

    /* ===== 主导航 ===== */
    .main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--bg-white);
      box-shadow: var(--shadow-sm);
      border-bottom: 1px solid var(--border);
    }
    .main-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 74px;
    }
    .brand-logo {
      font-size: 1.55rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.02em;
      display: flex;
      align-items: center;
      gap: 4px;
      line-height: 1;
      padding: 8px 0;
    }
    .brand-logo span { color: var(--accent); font-weight: 700; }
    .nav-links { display: flex; align-items: center; gap: 8px; }
    .nav-links a {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 20px;
      border-radius: 40px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      transition: var(--transition);
    }
    .nav-links a i { font-size: 14px; opacity: 0.7; }
    .nav-links a:hover { background: var(--bg-light); color: var(--primary); }
    .nav-links a.active {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(15, 61, 92, 0.22);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent), #f5b85a);
      color: #1a2b3a !important;
      font-weight: 600;
      padding: 10px 24px !important;
      border-radius: 40px;
      box-shadow: 0 4px 16px rgba(232, 163, 61, 0.3);
    }
    .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 163, 61, 0.4); }
    .hamburger {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: transparent;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--primary);
    }

    /* ===== Banner / Hero ===== */
    .page-hero {
      position: relative;
      padding: 120px 0 96px;
      background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: var(--text-white);
      text-align: center;
      isolation: isolate;
    }
    .page-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(180deg, rgba(10, 42, 63, 0.88), rgba(10, 42, 63, 0.72), rgba(11, 30, 45, 0.9));
    }
    .page-hero .hero-inner { max-width: 820px; margin: 0 auto; }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(232, 163, 61, 0.18);
      border: 1px solid rgba(232, 163, 61, 0.3);
      color: var(--accent);
      padding: 6px 20px;
      border-radius: 40px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.06em;
      margin-bottom: 26px;
      backdrop-filter: blur(6px);
    }
    .page-hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 800;
      line-height: 1.18;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }
    .page-hero h1 span { color: var(--accent); }
    .page-hero p {
      font-size: 1.08rem;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.82);
      max-width: 640px;
      margin: 0 auto 32px;
    }
    .hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 13px 32px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #f0b04f);
      color: #1a2b3a;
      box-shadow: 0 6px 22px rgba(232, 163, 61, 0.35);
    }
    .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(232, 163, 61, 0.45); }
    .btn-outline-light {
      background: transparent;
      border: 1.5px solid rgba(255, 255, 255, 0.55);
      color: #fff;
      backdrop-filter: blur(4px);
    }
    .btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; transform: translateY(-3px); }
    .hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 48px; flex-wrap: wrap; }
    .hero-stat { text-align: center; }
    .hero-stat .num { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); }
    .hero-stat .label { font-size: 0.82rem; color: rgba(255, 255, 255, 0.65); margin-top: 2px; }

    /* ===== 频道介绍 ===== */
    .intro-section { background: var(--bg-white); }
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 52px;
      align-items: center;
    }
    .intro-visual { position: relative; }
    .intro-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
    .intro-badge {
      position: absolute;
      bottom: 24px;
      right: 24px;
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 13px 20px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .intro-badge i { color: var(--accent); font-size: 1.5rem; }
    .intro-badge span { font-size: 0.82rem; color: var(--text-weak); }
    .intro-badge strong { display: block; font-size: 1.15rem; color: var(--primary); }
    .intro-content .section-tag { background: var(--accent-soft); }
    .intro-content h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.3; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
    .intro-content p { color: var(--text-weak); margin-bottom: 20px; font-size: 0.98rem; line-height: 1.9; }
    .intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
    .intro-feature {
      display: flex;
      align-items: center;
      gap: 10px;
      background: var(--bg-light);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 11px 16px;
      font-size: 0.9rem;
      font-weight: 500;
    }
    .intro-feature i { color: var(--accent); font-size: 1rem; }

    /* ===== 资讯列表 ===== */
    .news-section { background: var(--bg-light); }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232, 163, 61, 0.4); }
    .news-card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
    .news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .news-card:hover .news-card-img img { transform: scale(1.05); }
    .news-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(10, 42, 63, 0.65)); opacity: 0.6; transition: var(--transition); }
    .news-card:hover .news-card-img::after { opacity: 0.85; }
    .news-meta { position: absolute; top: 14px; left: 14px; z-index: 2; display: flex; gap: 8px; }
    .news-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--primary);
      font-size: 0.72rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
      backdrop-filter: blur(4px);
    }
    .news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
    .news-body .news-date { font-size: 0.8rem; color: var(--text-weak); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
    .news-body h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.5; color: var(--primary-dark); margin-bottom: 10px; }
    .news-body p { font-size: 0.9rem; color: var(--text-weak); line-height: 1.75; margin-bottom: 18px; flex: 1; }
    .news-more { display: inline-flex; align-items: center; gap: 6px; color: var(--accent-hover); font-size: 0.85rem; font-weight: 600; }
    .news-more i { font-size: 12px; transition: transform 0.25s ease; }
    .news-card:hover .news-more i { transform: translateX(4px); }

    /* ===== 数据面板 ===== */
    .stats-section {
      position: relative;
      background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      padding: 80px 0;
      isolation: isolate;
    }
    .stats-section::after { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(10, 42, 63, 0.92); }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
    .stat-item {
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      transition: var(--transition);
    }
    .stat-item:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
    .stat-item .stat-icon { display: inline-flex; width: 52px; height: 52px; background: rgba(232, 163, 61, 0.2); color: var(--accent); border-radius: 16px; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 14px; }
    .stat-item .stat-num { display: block; font-size: 2.1rem; font-weight: 800; color: #fff; line-height: 1.2; }
    .stat-item .stat-label { font-size: 0.82rem; color: rgba(255, 255, 255, 0.6); margin-top: 6px; }

    /* ===== 标签板块 ===== */
    .tags-section { background: var(--bg-white); }
    .tags-wrap { max-width: 900px; margin: 0 auto; }
    .tags-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 36px; }
    .cloud-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      border: 1px solid var(--border);
      border-radius: 40px;
      background: var(--bg-light);
      color: var(--text-main);
      font-size: 0.88rem;
      font-weight: 500;
      transition: var(--transition);
    }
    .cloud-tag i { color: var(--accent); font-size: 0.8rem; }
    .cloud-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .cloud-tag:hover i { color: var(--accent); }
    .tags-note { text-align: center; margin-top: 30px; color: var(--text-weak); font-size: 0.88rem; }

    /* ===== 专题推荐 ===== */
    .topic-section { background: var(--bg-light); }
    .topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .topic-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 260px; display: flex; align-items: flex-end; isolation: isolate; transition: var(--transition); }
    .topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 0.5s ease; }
    .topic-card::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10, 42, 63, 0.1), rgba(10, 42, 63, 0.86)); transition: var(--transition); }
    .topic-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .topic-card:hover img { transform: scale(1.06); }
    .topic-info { padding: 28px; color: #fff; }
    .topic-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
    .topic-info p { font-size: 0.82rem; color: rgba(255, 255, 255, 0.75); margin-bottom: 14px; line-height: 1.6; }
    .topic-link { font-size: 0.82rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

    /* ===== FAQ ===== */
    .faq-section { background: var(--bg-white); }
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
      background: var(--bg-white);
    }
    .faq-item:hover { border-color: rgba(232, 163, 61, 0.4); box-shadow: var(--shadow-sm); }
    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 26px;
      cursor: pointer;
      font-weight: 600;
      font-size: 0.98rem;
      color: var(--primary-dark);
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item .faq-icon {
      width: 32px;
      height: 32px;
      min-width: 32px;
      border-radius: 50%;
      background: var(--accent-soft);
      color: var(--accent-hover);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      transition: transform 0.3s ease;
    }
    .faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
    .faq-content { padding: 0 26px 22px; color: var(--text-weak); font-size: 0.93rem; line-height: 1.85; }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--primary-dark) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      padding: 86px 0;
      position: relative;
      isolation: isolate;
    }
    .cta-section::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(120deg, rgba(10, 42, 63, 0.92), rgba(10, 42, 63, 0.78), rgba(30, 80, 120, 0.86)); }
    .cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
    .cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
    .cta-inner p { color: rgba(255, 255, 255, 0.75); font-size: 1rem; margin-bottom: 30px; }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.82); padding-top: 60px; }
    .footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 44px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .footer-brand { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
    .footer-brand span { color: var(--accent); }
    .footer-about { font-size: 0.85rem; color: rgba(255, 255, 255, 0.55); line-height: 1.8; max-width: 320px; }
    .footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
    .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a, .footer-contact li { font-size: 0.85rem; color: rgba(255, 255, 255, 0.58); display: flex; align-items: center; gap: 8px; transition: var(--transition); }
    .footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
    .footer-col ul a i { font-size: 11px; color: var(--accent); }
    .footer-contact i { width: 16px; color: var(--accent); font-size: 13px; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; flex-wrap: wrap; gap: 10px; font-size: 0.8rem; color: rgba(255, 255, 255, 0.36); }
    .footer-bottom a { color: rgba(255, 255, 255, 0.5); }
    .footer-bottom a:hover { color: var(--accent); }

    /* ===== Foundation 覆盖 ===== */
    .grid-container { max-width: 1200px; }
    .cell { padding: 0; }
    .section .grid-container { padding: 0 24px; }
    .button, .button:focus { border-radius: 50px; text-transform: none; }
    .button.primary { background: var(--accent); color: #1a2b3a; }
    .button.primary:hover { background: var(--accent-hover); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .topic-grid { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; gap: 36px; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top { grid-template-columns: 1fr 1fr; }
      .section { padding: 68px 0; }
    }
    @media (max-width: 768px) {
      .topbar-right { display: none; }
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .main-nav { flex-wrap: wrap; }
      .main-nav.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        padding: 12px 0 20px;
        gap: 6px;
        border-top: 1px solid var(--border);
        align-items: stretch;
      }
      .main-nav.nav-open .nav-links a { justify-content: center; padding: 12px; }
      .nav-open .nav-cta { margin-top: 6px; }
      .page-hero { padding: 90px 0 70px; }
      .hero-stats { gap: 28px; }
      .intro-features { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .topic-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
      .footer-top { grid-template-columns: 1fr; gap: 32px; }
      .section { padding: 56px 0; }
      .faq-item summary { padding: 16px 18px; font-size: 0.92rem; }
      .faq-content { padding: 0 18px 18px; }
      .section-title { font-size: 1.5rem; }
    }
    @media (max-width: 520px) {
      .container { padding: 0 18px; }
      .page-hero { padding: 70px 0 56px; }
      .hero-stats { gap: 18px; }
      .hero-stat .num { font-size: 1.5rem; }
      .topbar-left { font-size: 12px; }
      .btn { padding: 12px 22px; font-size: 0.88rem; }
      .stats-grid { grid-template-columns: 1fr; }
      .news-body { padding: 18px; }
      .intro-badge { right: 12px; bottom: 12px; }
      .footer-bottom { justify-content: center; text-align: center; }
    }

/* roulang page: article */
:root {
            --primary: #0B1F3B;
            --primary-dark: #061325;
            --primary-light: #16345A;
            --accent: #C9A86A;
            --accent-light: #D9BC86;
            --accent-dark: #A8894E;
            --bg-body: #F5F6FA;
            --bg-white: #FFFFFF;
            --bg-gray: #F0F1F4;
            --bg-dark: #0B1F3B;
            --text-main: #1C2333;
            --text-weak: #697386;
            --text-light: #98A1B3;
            --text-white: #FFFFFF;
            --border: #E4E7EC;
            --border-light: #EDEFF2;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(11,31,59,.08);
            --shadow-hover: 0 12px 36px rgba(11,31,59,.14);
            --shadow-accent: 0 6px 24px rgba(201,168,106,.3);
            --space-sm: 12px;
            --space: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --transition: all .3s ease;
        }

        *,
        *::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", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== Topbar ===== */
        .topbar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .78);
            font-size: .82rem;
            padding: 7px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .topbar i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ===== Header / Nav ===== */
        .main-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            line-height: 1;
        }

        .brand span {
            color: var(--accent);
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            border-radius: 10px;
            font-size: .95rem;
            box-shadow: 0 4px 12px rgba(11, 31, 59, .2);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: .92rem;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .nav-link:hover {
            background: var(--bg-gray);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(11, 31, 59, .22);
        }

        .nav-toggle {
            display: none;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            width: 40px;
            height: 40px;
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 31, 59, .94), rgba(20, 50, 95, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 64px 0 56px;
            color: var(--text-white);
            border-bottom: 4px solid var(--accent);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

        .breadcrumb i {
            font-size: .68rem;
            color: rgba(255, 255, 255, .4);
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: .78rem;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: .5px;
            box-shadow: var(--shadow-accent);
        }

        .article-hero h1 {
            font-size: clamp(1.7rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            max-width: 820px;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .hero-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, .82);
            max-width: 700px;
            margin-bottom: 22px;
            line-height: 1.7;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: .86rem;
            color: rgba(255, 255, 255, .7);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta i {
            color: var(--accent);
        }

        /* ===== Article Main ===== */
        .article-section {
            padding: var(--space-xl) 0 40px;
        }

        .article-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 32px 36px;
            margin-bottom: 28px;
        }

        .article-body {
            word-wrap: break-word;
            font-size: 1.02rem;
            line-height: 1.85;
        }

        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.6em 0 .6em;
            padding-bottom: .3em;
            border-bottom: 2px solid var(--border-light);
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.4em 0 .5em;
        }

        .article-body p {
            margin-bottom: 1.2em;
            color: #2a3140;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.2em 1.5em;
            list-style: disc;
        }

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

        .article-body li {
            margin-bottom: .45em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #faf8f4;
            padding: .9em 1.3em;
            margin: 1.3em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #4a4f5a;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 1.3em 0;
        }

        .article-body a {
            color: var(--primary-light);
            border-bottom: 1px solid var(--accent);
        }

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

        .notice-empty {
            text-align: center;
            padding: 50px 20px;
            color: var(--text-weak);
        }

        .notice-empty i {
            font-size: 3rem;
            color: var(--border);
            margin-bottom: 16px;
        }

        .notice-empty h2 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .notice-empty p {
            margin-bottom: 22px;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: sticky;
            top: 90px;
        }

        .widget {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 22px;
        }

        .widget-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }

        .widget-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: rgba(201, 168, 106, .15);
            color: var(--accent-dark);
            border-radius: 8px;
            font-size: .85rem;
        }

        .side-list li {
            margin-bottom: 10px;
        }

        .side-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .9rem;
            color: var(--text-main);
            padding: 7px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .side-list a:hover {
            background: var(--bg-gray);
            color: var(--primary);
            transform: translateX(3px);
        }

        .side-list i {
            font-size: .7rem;
            color: var(--accent);
        }

        .side-empty {
            font-size: .9rem;
            color: var(--text-weak);
            padding: 8px 10px;
            display: block;
        }

        .widget-cats {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-cat {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            background: var(--bg-gray);
            border-radius: var(--radius-sm);
            font-size: .92rem;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }

        .widget-cat:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .widget-cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--bg-white);
            border-radius: 8px;
            color: var(--accent-dark);
            font-size: .85rem;
        }

        .widget-cat .fa-arrow-right {
            margin-left: auto;
            font-size: .8rem;
            opacity: .6;
        }

        .widget-highlight {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border: none;
            color: var(--text-white);
        }

        .widget-highlight .widget-title {
            color: var(--text-white);
            border-color: rgba(255, 255, 255, .15);
        }

        .widget-highlight .widget-icon {
            background: rgba(255, 255, 255, .12);
            color: var(--accent);
        }

        .widget-highlight p {
            font-size: .92rem;
            color: rgba(255, 255, 255, .8);
            line-height: 1.7;
        }

        /* ===== Related ===== */
        .related-section {
            background: var(--bg-white);
            padding: var(--space-xl) 0;
            border-top: 1px solid var(--border-light);
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto var(--space-lg);
        }

        .section-tag {
            display: inline-block;
            background: rgba(201, 168, 106, .15);
            color: var(--accent-dark);
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: .95rem;
        }

        .related-card {
            display: block;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

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

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

        .related-card:hover .related-img img {
            transform: scale(1.06);
        }

        .img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: var(--shadow-accent);
        }

        .related-body {
            padding: 22px;
        }

        .related-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-body p {
            font-size: .88rem;
            color: var(--text-weak);
            margin-bottom: 14px;
            line-height: 1.65;
        }

        .related-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-link i {
            font-size: .75rem;
            transition: transform .3s ease;
        }

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

        /* ===== Category Section ===== */
        .category-section {
            padding: var(--space-xl) 0;
            background: var(--bg-gray);
        }

        .cat-card {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 26px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .cat-card:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            border-radius: 14px;
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(11, 31, 59, .18);
        }

        .cat-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .cat-content p {
            font-size: .85rem;
            opacity: .8;
            line-height: 1.5;
            margin: 0;
        }

        .cat-arrow {
            margin-left: auto;
            font-size: 1rem;
            opacity: .5;
        }

        .cat-card:hover .cat-arrow {
            transform: translateX(4px);
            opacity: 1;
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-xl) 0;
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 22px;
            font-weight: 600;
            font-size: .98rem;
            color: var(--primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent);
            font-size: .85rem;
            transition: transform .3s ease;
        }

        .faq-item.open .faq-question i {
            transform: rotate(90deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-weak);
            font-size: .92rem;
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: var(--text-white);
            text-align: center;
            border-top: 4px solid var(--accent);
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .78);
            max-width: 620px;
            margin: 0 auto 28px;
            font-size: .98rem;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: .93rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            color: var(--primary-dark);
            box-shadow: 0 10px 28px rgba(201, 168, 106, .4);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, .5);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .72);
            padding: 56px 0 0;
            font-size: .9rem;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-about {
            color: rgba(255, 255, 255, .62);
            line-height: 1.8;
            max-width: 420px;
        }

        .footer-col h4 {
            color: var(--text-white);
            font-size: .98rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

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

        .footer-col a {
            color: rgba(255, 255, 255, .65);
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 3px;
        }

        .footer-col i {
            font-size: .72rem;
            color: var(--accent);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .62);
        }

        .footer-contact i {
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, .45);
            font-size: .82rem;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-section .grid-x {
                flex-direction: column;
            }

            .sidebar {
                position: static;
                margin-top: 30px;
            }

            .widget {
                padding: 20px;
            }

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 0;
                gap: 2px;
            }

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

            .nav-link {
                width: 100%;
                padding: 11px 16px;
            }

            .article-hero {
                padding: 48px 0 40px;
            }

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

            .article-section {
                padding-top: 36px;
            }

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

            .related-grid .cell {
                margin-bottom: 18px;
            }

            .cat-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .topbar-inner {
                justify-content: center;
                text-align: center;
                font-size: .78rem;
            }

            .hero-meta {
                gap: 12px;
                font-size: .8rem;
            }

            .hero-meta span {
                margin-right: 0;
            }

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

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

/* roulang page: category2 */
:root{
  --primary:#0d1b3e;
  --primary-deep:#070f22;
  --primary-soft:#152a55;
  --accent:#d4a853;
  --accent-dark:#b78a32;
  --accent-pale:#f8efdb;
  --teal:#13857f;
  --plum:#6d4a9e;
  --bg:#f4f6fb;
  --bg-alt:#ffffff;
  --text:#172036;
  --text-light:#5b6478;
  --border:#e3e8f1;
  --radius:18px;
  --radius-sm:10px;
  --shadow-sm:0 4px 14px rgba(13,27,62,.06);
  --shadow:0 14px 36px rgba(13,27,62,.09);
  --shadow-lg:0 24px 56px rgba(13,27,62,.15);
  --space-section:110px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease,transform .25s ease;}
img{max-width:100%;display:block;height:auto;}
ul,ol{list-style:none;}
.container{max-width:1220px;margin:0 auto;padding:0 28px;width:100%;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:999px;font-weight:600;font-size:.95rem;
  line-height:1.4;border:2px solid transparent;cursor:pointer;white-space:nowrap;
  transition:all .28s ease;box-shadow:0 4px 16px rgba(13,27,62,.08);
}
.btn:focus-visible{outline:3px solid rgba(212,168,83,.5);outline-offset:3px;}
.btn i{font-size:.9em;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:0 10px 26px rgba(13,27,62,.22);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#101828;}
.btn-accent:hover{background:#e2ba69;transform:translateY(-2px);box-shadow:0 10px 26px rgba(212,168,83,.35);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-lg{padding:16px 38px;font-size:1.02rem;}

/* ===== Top Bar ===== */
.top-bar{background:var(--primary-deep);color:rgba(255,255,255,.82);font-size:.8rem;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06);}
.top-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.top-note{display:inline-flex;align-items:center;gap:8px;}
.top-note i{color:var(--accent);}
.top-domain{display:inline-flex;align-items:center;gap:8px;letter-spacing:.03em;}

/* ===== Header / Nav ===== */
.site-header{background:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 18px rgba(13,27,62,.07);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;}
.site-logo{font-size:1.72rem;font-weight:800;letter-spacing:-.01em;color:var(--primary);line-height:1.1;}
.site-logo span{color:var(--accent);}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  padding:9px 20px;border-radius:999px;font-weight:600;font-size:.93rem;
  color:var(--text);line-height:1.4;display:inline-flex;align-items:center;gap:7px;
}
.nav-link i{font-size:.85em;color:var(--text-light);transition:color .25s;}
.nav-link:hover{background:var(--accent-pale);color:var(--accent-dark);}
.nav-link:hover i{color:var(--accent-dark);}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(13,27,62,.22);}
.nav-link.active i{color:var(--accent);}
.nav-toggle{
  display:none;background:var(--primary);color:#fff;border:none;width:46px;height:46px;
  border-radius:12px;font-size:1.2rem;cursor:pointer;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(13,27,62,.18);transition:background .25s,transform .25s;
}
.nav-toggle:hover{background:var(--primary-soft);}
.nav-toggle.open i::before{content:"\f00d";}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;padding:128px 0 120px;color:#fff;
  background:linear-gradient(135deg,rgba(7,15,34,.94) 0%,rgba(13,27,62,.86) 60%,rgba(21,42,85,.78) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero-content{position:relative;z-index:2;max-width:820px;}
.hero-breadcrumb{
  display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);
  padding:8px 18px;border-radius:999px;font-size:.83rem;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px);margin-bottom:26px;
}
.hero-breadcrumb a{color:rgba(255,255,255,.72);}
.hero-breadcrumb a:hover{color:var(--accent);}
.hero-breadcrumb i{font-size:.68rem;color:var(--accent);}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,var(--accent),#e6c377);
  color:#101828;font-weight:700;font-size:.82rem;padding:8px 18px;border-radius:999px;
  box-shadow:0 6px 20px rgba(212,168,83,.4);margin-bottom:22px;letter-spacing:.02em;
}
.page-hero h1{
  font-size:3.1rem;line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-bottom:22px;
}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.hero-desc{font-size:1.12rem;color:rgba(255,255,255,.82);max-width:680px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:flex;gap:0;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:22px 0;backdrop-filter:blur(10px);
}
.stat-item{flex:1;text-align:center;position:relative;padding:4px 16px;}
.stat-item + .stat-item::before{content:"";position:absolute;left:0;top:18%;height:64%;width:1px;background:rgba(255,255,255,.16);}
.stat-item strong{display:block;font-size:1.75rem;font-weight:800;color:var(--accent);line-height:1.2;}
.stat-item span{display:block;font-size:.83rem;color:rgba(255,255,255,.72);margin-top:4px;}

/* ===== Section common ===== */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{text-align:center;max-width:680px;margin:0 auto 58px;}
.section-head.left{text-align:left;margin:0 0 36px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark);
  background:var(--accent-pale);padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:2.35rem;line-height:1.25;font-weight:800;letter-spacing:-.015em;color:var(--text);margin-bottom:18px;}
.section-head p{color:var(--text-light);font-size:1.02rem;}

/* ===== Mode Cards ===== */
.mode-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;height:100%;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;position:relative;
}
.mode-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.card-accent{height:5px;width:100%;}
.mode-card.accent-blue .card-accent{background:linear-gradient(90deg,var(--primary),#4163a8);}
.mode-card.accent-gold .card-accent{background:linear-gradient(90deg,var(--accent-dark),var(--accent));}
.mode-card.accent-teal .card-accent{background:linear-gradient(90deg,#0f6f6a,#26a29a);}
.mode-card.accent-plum .card-accent{background:linear-gradient(90deg,#573b80,#8b6cc4);}
.card-image{position:relative;overflow:hidden;aspect-ratio:16/10;}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.mode-card:hover .card-image img{transform:scale(1.06);}
.card-image::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,15,34,.45));}
.card-num{
  position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.92);color:var(--primary);
  font-size:.75rem;font-weight:800;padding:5px 12px;border-radius:999px;letter-spacing:.06em;
  box-shadow:0 4px 12px rgba(7,15,34,.18);
}
.card-tag{
  position:absolute;top:16px;right:16px;z-index:2;font-size:.75rem;font-weight:700;
  padding:5px 14px;border-radius:999px;color:#fff;backdrop-filter:blur(6px);
}
.mode-card.accent-blue .card-tag{background:rgba(13,27,62,.82);}
.mode-card.accent-gold .card-tag{background:rgba(183,138,50,.88);}
.mode-card.accent-teal .card-tag{background:rgba(19,133,127,.88);}
.mode-card.accent-plum .card-tag{background:rgba(109,74,158,.88);}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:1.28rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:10px;}
.card-body h3 i{color:var(--accent-dark);font-size:1.1rem;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-pale);border-radius:9px;}
.card-body p{color:var(--text-light);font-size:.93rem;line-height:1.75;flex:1;margin-bottom:20px;}
.card-level{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--primary);background:#eef1f8;padding:7px 14px;border-radius:999px;align-self:flex-start;}

/* ===== Process Section ===== */
.section-process{background:var(--bg-alt);position:relative;}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.process-step{position:relative;text-align:center;padding:46px 30px 40px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;}
.process-step:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.process-step + .process-step::before{
  content:"";position:absolute;top:50%;left:-30px;width:30px;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.step-num{
  position:absolute;top:18px;right:22px;font-size:2rem;font-weight:800;color:#eef1f8;line-height:1;letter-spacing:-.02em;
}
.step-icon{
  width:68px;height:68px;border-radius:20px;background:linear-gradient(135deg,var(--primary),var(--primary-soft));
  color:var(--accent);font-size:1.45rem;display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:20px;box-shadow:0 10px 26px rgba(13,27,62,.2);position:relative;z-index:2;
}
.process-step h3{font-size:1.13rem;font-weight:700;margin-bottom:10px;}
.process-step p{font-size:.87rem;color:var(--text-light);line-height:1.7;}

/* ===== Rank Section ===== */
.rank-section{
  position:relative;color:#fff;padding:var(--space-section) 0;
  background:linear-gradient(135deg,rgba(7,15,34,.96),rgba(13,27,62,.88)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.rank-content{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;}
.rank-copy .section-kicker{background:rgba(212,168,83,.16);color:var(--accent);}
.rank-copy h2{font-size:2.3rem;font-weight:800;margin-bottom:18px;line-height:1.25;}
.rank-copy > p{color:rgba(255,255,255,.78);margin-bottom:32px;font-size:1.02rem;}
.rank-points li{
  display:flex;align-items:flex-start;gap:14px;padding:12px 0;color:rgba(255,255,255,.9);font-size:.95rem;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.rank-points li:last-child{border-bottom:none;}
.rank-points i{color:var(--accent);font-size:1.05rem;margin-top:4px;}
.rank-copy .btn-accent{margin-top:28px;}
.board-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:34px 30px;backdrop-filter:blur(12px);box-shadow:0 24px 54px rgba(7,15,34,.35);
}
.board-card h4{font-size:1.08rem;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px;}
.board-card h4 i{color:var(--accent);}
.tier-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:12px;margin-bottom:10px;
  background:rgba(255,255,255,.05);transition:background .3s,transform .3s;
}
.tier-row:hover{background:rgba(255,255,255,.1);transform:translateX(4px);}
.tier-row:last-child{margin-bottom:0;}
.tier-icon{width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:.95rem;}
.tier-1 .tier-icon{background:linear-gradient(135deg,#d4a853,#f0d48a);color:#6b4d10;}
.tier-2 .tier-icon{background:linear-gradient(135deg,#7d8ca3,#aebcd0);color:#232c3a;}
.tier-3 .tier-icon{background:linear-gradient(135deg,#b9825b,#ddaa7d);color:#5f3117;}
.tier-4 .tier-icon{background:linear-gradient(135deg,#3d6f9e,#6d9fd0);color:#173553;}
.tier-row span{flex:1;font-weight:600;font-size:.93rem;}
.tier-row em{font-style:normal;font-size:.8rem;color:rgba(255,255,255,.67);font-weight:600;}

/* ===== Tips Section ===== */
.tips-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;align-items:center;}
.tips-image{position:relative;}
.tips-image img{border-radius:var(--radius);box-shadow:var(--shadow-lg);object-fit:cover;aspect-ratio:4/4.4;width:100%;}
.tips-image::before{
  content:"";position:absolute;inset:24px -20px -20px 24px;border:2px solid var(--accent);
  border-radius:var(--radius);opacity:.55;z-index:-1;
}
.image-card-fact{
  position:absolute;left:-24px;bottom:34px;background:#fff;border-radius:14px;padding:18px 24px;
  box-shadow:var(--shadow-lg);border:1px solid var(--border);display:flex;flex-direction:column;gap:2px;
}
.image-card-fact strong{color:var(--primary);font-size:1rem;font-weight:800;}
.image-card-fact span{font-size:.8rem;color:var(--text-light);font-weight:600;letter-spacing:.04em;}
.tip-items{display:flex;flex-direction:column;gap:16px;}
.tip-items li{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:16px;padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;
}
.tip-items li:hover{transform:translateX(6px);box-shadow:var(--shadow);}
.tip-icon{
  width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,var(--accent-pale),#fff0d0);
  color:var(--accent-dark);display:inline-flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0;
}
.tip-items h4{font-size:1.03rem;font-weight:700;margin-bottom:6px;}
.tip-items p{font-size:.88rem;color:var(--text-light);line-height:1.7;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;}
.accordion-item{border-bottom:1px solid var(--border);}
.accordion-item:last-child{border-bottom:none;}
.accordion-title{
  display:flex;align-items:center;gap:16px;padding:24px 30px;color:var(--text) !important;
  font-size:1.02rem;font-weight:600;background:#fff;line-height:1.5;position:relative;
  transition:background .3s,color .3s;
}
.accordion-title::before{
  content:"\f059";font-family:"Font Awesome 6 Free";font-weight:900;font-size:1.1rem;
  color:var(--accent-dark);flex-shrink:0;
}
.accordion-title::after{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:26px;
  color:var(--text-light);transition:transform .3s,color .3s;font-size:1rem;
}
.accordion-title:hover{background:var(--accent-pale);color:var(--accent-dark) !important;}
.accordion-item.is-active > .accordion-title{background:var(--accent-pale);color:var(--primary) !important;}
.accordion-item.is-active > .accordion-title::after{transform:rotate(180deg);color:var(--accent-dark);}
.accordion-content{padding:0 30px 26px 74px;color:var(--text-light);font-size:.93rem;line-height:1.8;}
.accordion-content p{color:var(--text-light);background:#f7f9fc;border-radius:12px;padding:16px 20px;border:1px solid var(--border);}

/* ===== CTA ===== */
.cta-band{
  position:relative;padding:88px 0;color:#fff;text-align:center;overflow:hidden;
  background:linear-gradient(135deg,rgba(13,27,62,.96),rgba(21,42,85,.9)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(212,168,83,.28),transparent 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:2.1rem;font-weight:800;margin-bottom:16px;line-height:1.3;}
.cta-inner p{color:rgba(255,255,255,.8);margin-bottom:36px;font-size:1.02rem;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);padding:70px 0 30px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{font-size:1.55rem;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand span{color:var(--accent);}
.footer-about{font-size:.88rem;line-height:1.85;max-width:360px;}
.footer-col h4{color:#fff;font-size:.98rem;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(255,255,255,.7);font-size:.88rem;display:inline-flex;align-items:center;gap:9px;transition:color .25s,transform .25s;}
.footer-col ul a i{font-size:.68rem;color:var(--accent);}
.footer-col ul a:hover{color:var(--accent);transform:translateX(3px);}
.footer-contact li{display:flex;align-items:center;gap:12px;font-size:.86rem;margin-bottom:13px;color:rgba(255,255,255,.68);}
.footer-contact i{color:var(--accent);width:16px;text-align:center;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;font-size:.82rem;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--accent);}

/* ===== Responsive ===== */
@media (max-width:1024px){
  :root{--space-section:88px;}
  .rank-content{grid-template-columns:1fr;gap:48px;}
  .tips-layout{grid-template-columns:1fr;gap:56px;}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .process-step + .process-step::before{display:none;}
  .page-hero{padding:104px 0;}
  .page-hero h1{font-size:2.6rem;}
}
@media (max-width:768px){
  .top-note span{display:none;}
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    display:none;width:100%;flex-direction:column;align-items:stretch;gap:4px;
    padding:10px 0 6px;border-top:1px solid var(--border);margin-top:8px;
  }
  .main-nav.show{display:flex;}
  .nav-link{padding:12px 18px;border-radius:12px;justify-content:flex-start;}
  .footer-top{grid-template-columns:1fr;gap:38px;}
  .hero-stats{flex-direction:column;gap:18px;}
  .stat-item + .stat-item::before{display:none;}
  .page-hero h1{font-size:2.15rem;}
  .section-head h2{font-size:1.9rem;}
  .tips-image img{aspect-ratio:4/3.2;}
  .image-card-fact{left:16px;bottom:18px;padding:14px 18px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-hero{padding:84px 0;}
  .page-hero h1{font-size:1.72rem;}
  .hero-desc{font-size:1rem;}
  .hero-actions .btn{width:100%;padding:14px 20px;}
  .process-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:1.6rem;}
  .accordion-title{padding:20px 20px;font-size:.95rem;gap:10px;}
  .accordion-title::after{right:16px;}
  .accordion-content{padding:4px 20px 20px 52px;}
  .cta-inner h2{font-size:1.55rem;}
  .footer-bottom{justify-content:center;text-align:center;}
  .rank-content h2{font-size:1.7rem;}
  .tier-row{padding:12px 12px;}
  .btn-lg{width:100%;}
}