/* roulang page: index */
:root {
  --color-primary: #0f172a;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-hover: 0 14px 36px rgba(0,0,0,0.12);
  --transition-base: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

/* 容器 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航栏 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  transition: var(--transition-base);
}

.main-nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.main-nav a.active {
  color: #ffffff;
  background: rgba(245, 158, 11, 0.15);
  font-weight: 600;
}

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

.btn-header {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: #0f172a;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 10px;
  transition: var(--transition-base);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.25);
}

.btn-header:hover {
  background: #fbbf24;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
}

.btn-header:focus-visible,
.main-nav a:focus-visible,
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-accent:focus-visible,
.faq-question:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.4);
  outline-offset: 2px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  align-items: center;
  justify-content: center;
  color: #fff;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}

.mobile-menu {
  display: none;
  background: rgba(15, 23, 42, 0.98);
  padding: 16px 24px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu a {
  display: block;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  border-radius: 10px;
  margin-bottom: 4px;
  transition: var(--transition-base);
}

.mobile-menu a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.mobile-menu a.active {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.mobile-menu .btn-mobile-cta {
  display: block;
  text-align: center;
  background: var(--color-accent);
  color: #0f172a;
  font-weight: 700;
  padding: 14px;
  border-radius: 10px;
  margin-top: 12px;
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.92) 20%, rgba(30,41,59,0.65) 60%, rgba(15,23,42,0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 24px;
  max-width: 820px;
  margin-left: max(24px, calc((100vw - 1280px) / 2));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 620px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #0f172a;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.3);
  transition: var(--transition-base);
}

.btn-primary:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 12px;
  transition: var(--transition-base);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-stats span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-stats span::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

/* ===== 板块通用 ===== */
.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent-dark);
  background: rgba(245, 158, 11, 0.1);
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-header p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== 平台亮点卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), #fbbf24);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(245, 158, 11, 0.25);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: rgba(245, 158, 11, 0.1);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  display: block;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.category-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

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

.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.55) 100%);
}

.category-body {
  padding: 24px 28px 28px;
}

.category-body h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.category-body p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 14px;
  line-height: 1.7;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: rgba(245, 158, 11, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ===== 资讯列表 ===== */
.news-section {
  background: #f1f5f9;
}

.news-list {
  max-width: 960px;
  margin: 0 auto;
}

.news-item {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
  transition: var(--transition-base);
}

.news-item:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(245, 158, 11, 0.2);
  transform: translateX(4px);
}

.news-item .news-index {
  font-size: 32px;
  font-weight: 800;
  color: rgba(15, 23, 42, 0.1);
  font-style: italic;
  min-width: 48px;
  text-align: center;
}

.news-item .news-content {
  flex: 1;
}

.news-item .news-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.news-item .news-content h3 a:hover {
  color: var(--color-accent-dark);
}

.news-item .news-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.news-meta .tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: rgba(245, 158, 11, 0.08);
  padding: 3px 10px;
  border-radius: 20px;
}

.news-meta .date {
  font-size: 13px;
  color: var(--color-text-light);
}

.news-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--color-text-light);
  font-size: 16px;
  background: var(--color-surface);
  border-radius: 20px;
  border: 1px dashed var(--color-border);
}

/* ===== 数据统计 ===== */
.stats-section {
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.06);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.stat-item .stat-number {
  font-size: 52px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-item .stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== 使用流程 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px 28px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.2);
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(245, 158, 11, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 22px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: 16px;
  transition: var(--transition-base);
}

.faq-question:hover {
  color: var(--color-accent-dark);
}

.faq-question .arrow {
  font-size: 14px;
  transition: transform 0.3s ease;
  background: rgba(245, 158, 11, 0.1);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 24px;
  color: var(--color-text-light);
  font-size: 14px;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.82);
}

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

.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}

.cta-content .btn-primary {
  font-size: 17px;
  padding: 16px 40px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0b1120;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-base);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-bottom {
  padding: 20px 0 28px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .site-header .container {
    height: 64px;
  }
  .main-nav, .header-actions .btn-header {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .menu-toggle.active + .mobile-menu {
    display: block;
  }
  .mobile-menu.show {
    display: block;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .hero-content p {
    font-size: 16px;
  }
  .hero-content {
    padding: 72px 24px;
  }
  .hero-stats {
    gap: 16px;
    margin-top: 40px;
  }
  .section-header h2 {
    font-size: 28px;
  }
  .news-item {
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .news-item .news-index {
    font-size: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-content h1 {
    font-size: 28px;
  }
  .btn-primary, .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .hero-actions {
    flex-direction: column;
  }
  .stat-item .stat-number {
    font-size: 38px;
  }
}

/* roulang page: article */
:root {
            --primary: #c9a55c;
            --primary-dark: #a98338;
            --primary-light: #f2e2c2;
            --dark: #0a1524;
            --dark-2: #101f33;
            --text: #1e2a38;
            --text-weak: #64748b;
            --border: #e8ecf1;
            --bg: #f4f6f9;
            --white: #ffffff;
            --radius: 14px;
            --shadow: 0 10px 35px rgba(10, 21, 36, 0.06);
            --shadow-lg: 0 18px 45px rgba(10, 21, 36, 0.10);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-x {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-x {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(10px);
        }

        .site-header .logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.3px;
        }

        .site-header .logo span {
            color: var(--primary);
        }

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

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            background: rgba(201, 165, 92, 0.16);
            color: var(--primary);
            font-weight: 600;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #dbb668, #b8913b);
            color: #fff;
            font-weight: 700;
            font-size: 14.5px;
            padding: 10px 22px;
            border-radius: 999px;
            box-shadow: 0 6px 18px rgba(201, 165, 92, 0.35);
            transition: var(--transition);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(201, 165, 92, 0.45);
        }

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

        .mobile-toggle {
            color: #fff;
            font-size: 22px;
            background: transparent;
            border: none;
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            background: var(--dark-2);
            padding: 14px 20px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.82);
            padding: 12px 16px;
            border-radius: 12px;
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }

        .mobile-menu a:last-child {
            margin-top: 8px;
            background: rgba(201, 165, 92, 0.14);
            color: var(--primary);
            text-align: center;
            font-weight: 700;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 84px 0 60px;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(7, 17, 29, 0.96) 0%, rgba(10, 21, 36, 0.86) 55%, rgba(10, 21, 36, 0.55) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 22px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

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

        .breadcrumb i {
            font-size: 10px;
        }

        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(201, 165, 92, 0.16);
            border: 1px solid rgba(201, 165, 92, 0.35);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .article-hero h1 {
            font-size: 32px;
            line-height: 1.3;
            color: #fff;
            font-weight: 800;
            max-width: 860px;
            letter-spacing: 0.2px;
        }

        @media (min-width: 768px) {
            .article-hero h1 {
                font-size: 42px;
            }
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            margin-top: 24px;
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
        }

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

        .article-meta i {
            color: var(--primary);
            font-size: 14px;
        }

        /* ===== Article Main ===== */
        .article-layout {
            padding: 56px 0 64px;
        }

        .article-main-card {
            background: var(--white);
            border-radius: 18px;
            box-shadow: var(--shadow);
            padding: 28px;
        }

        @media (min-width: 768px) {
            .article-main-card {
                padding: 42px;
            }
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #2a3546;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 34px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 28px 0 12px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
        }

        .article-content ul li::marker {
            color: var(--primary);
        }

        .article-content img {
            border-radius: 14px;
            box-shadow: var(--shadow);
            margin: 22px 0;
        }

        .article-content a {
            color: var(--primary-dark);
            font-weight: 600;
            text-decoration: underline;
            text-decoration-color: rgba(169, 131, 56, 0.35);
            text-underline-offset: 3px;
        }

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

        .article-content blockquote {
            background: rgba(201, 165, 92, 0.08);
            border-left: 4px solid var(--primary);
            border-radius: 10px;
            padding: 18px 22px;
            margin: 22px 0;
            color: #4a5560;
            font-style: normal;
        }

        .article-content code {
            background: #f0f2f5;
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            color: #a98338;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 22px 0;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
            font-size: 14.5px;
        }

        .article-content table th {
            background: #f8f9fb;
            font-weight: 600;
        }

        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 20px;
        }

        .sidebar-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
        }

        .sidebar-card-title i {
            color: var(--primary);
            font-size: 17px;
        }

        .sidebar-card-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        .meta-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: #5a6b7d;
        }

        .meta-item i {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 165, 92, 0.12);
            color: var(--primary-dark);
            border-radius: 9px;
            font-size: 13px;
        }

        .meta-item strong {
            color: var(--text);
            font-weight: 600;
        }

        .hot-bar-wrap {
            margin-top: 8px;
        }

        .hot-bar {
            height: 6px;
            background: #edf0f3;
            border-radius: 999px;
            overflow: hidden;
            margin-top: 6px;
        }

        .hot-bar span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, #c9a55c, #e0c07a);
            border-radius: 999px;
        }

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

        .sidebar-cats a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            background: #f7f8fa;
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
        }

        .sidebar-cats a:hover {
            border-color: rgba(201, 165, 92, 0.35);
            background: rgba(201, 165, 92, 0.08);
            transform: translateX(4px);
        }

        .sidebar-cats a i {
            color: var(--primary);
            font-size: 15px;
            width: 24px;
            text-align: center;
        }

        .sidebar-promo {
            background: linear-gradient(135deg, #0f2038, #132a44);
            border-radius: 16px;
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .sidebar-promo h4 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .sidebar-promo p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13.5px;
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .sidebar-promo a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--dark);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-promo a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201, 165, 92, 0.35);
        }

        /* ===== Not Found ===== */
        .not-found {
            text-align: center;
            padding: 40px 20px;
        }

        .not-found i {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .not-found h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .not-found p {
            color: var(--text-weak);
            font-size: 15px;
            margin-bottom: 26px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--dark);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            transition: var(--transition);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(201, 165, 92, 0.35);
        }

        /* ===== Related ===== */
        .section-related {
            padding: 0 0 64px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-head h2 i {
            color: var(--primary);
        }

        .section-head h2::after {
            content: '';
            flex: 1;
            height: 1px;
            margin-left: 16px;
            background: var(--border);
        }

        .related-card {
            display: block;
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

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

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-card .thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 21, 36, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .related-card .info {
            padding: 18px;
        }

        .related-card .info h3 {
            font-size: 16px;
            line-height: 1.55;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .info h3 {
            color: var(--primary-dark);
        }

        .related-card .info time {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ===== Category Cards ===== */
        .section-cats {
            padding: 0 0 64px;
        }

        .cat-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border-radius: 18px;
            box-shadow: var(--shadow);
            padding: 28px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), #e2c37d);
            opacity: 0;
            transition: var(--transition);
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .cat-card:hover::before {
            opacity: 1;
        }

        .cat-card .icon-wrap {
            width: 52px;
            height: 52px;
            background: rgba(201, 165, 92, 0.12);
            color: var(--primary-dark);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .cat-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .cat-card p {
            font-size: 13.5px;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

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

        .cat-card .more i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }

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

        /* ===== CTA ===== */
        .section-cta {
            padding: 0 0 64px;
        }

        .cta-panel {
            background: linear-gradient(135deg, #0a1524 0%, #132a44 60%, #183353 100%);
            border-radius: 22px;
            padding: 48px 32px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(201, 165, 92, 0.18) 0%, transparent 65%);
            top: -120px;
            right: -80px;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
            bottom: -80px;
            left: -60px;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--dark);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 15.5px;
            transition: var(--transition);
        }

        .cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(201, 165, 92, 0.4);
        }

        .cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 15px;
            transition: var(--transition);
        }

        .cta-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 0 0 64px;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: rgba(201, 165, 92, 0.04);
        }

        .faq-item summary i {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-item .faq-body {
            padding: 0 24px 20px;
            color: var(--text-weak);
            font-size: 14.5px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin: 0 24px;
            padding-left: 0;
            padding-right: 0;
        }

        .faq-item .faq-body p {
            padding-top: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 64px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        @media (min-width: 768px) {
            .footer-main {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15.5px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 768px) {
            .article-layout {
                padding: 64px 0 72px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #1e1b4b;
            --brand-secondary: #f59e0b;
            --brand-bg: #f8fafc;
            --brand-dark: #0f172a;
            --brand-text: #1e293b;
            --brand-muted: #64748b;
            --brand-border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --shadow-sm: 0 4px 12px rgba(2, 6, 23, 0.04);
            --shadow-md: 0 10px 30px rgba(2, 6, 23, 0.07);
            --shadow-lg: 0 18px 44px rgba(2, 6, 23, 0.12);
            --shadow-hover: 0 24px 50px rgba(2, 6, 23, 0.16);
        }

        * {
            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(--brand-bg);
            color: var(--brand-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header ========== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 1px 12px rgba(2, 6, 23, 0.04);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            padding: 9px 20px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            transition: all .3s ease;
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: rgba(99, 102, 241, 0.08);
            color: var(--brand-primary);
        }

        .main-nav a.active {
            background: var(--brand-primary);
            color: #fff;
            box-shadow: 0 8px 22px rgba(30, 27, 75, 0.28);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
            transition: all .3s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(99, 102, 241, 0.5);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-primary);
            transition: background .3s ease;
        }

        .menu-toggle:hover {
            background: rgba(99, 102, 241, 0.08);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(30, 27, 75, 0.88));
            position: relative;
            overflow: hidden;
            padding: 130px 0 110px;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.22), transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .banner-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        .banner-breadcrumb a:hover {
            color: #fbbf24;
        }

        /* ========== 通用组件 ========== */
        .tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(99, 102, 241, 0.08);
            color: #4f46e5;
            border: 1px solid rgba(99, 102, 241, 0.15);
            transition: all .25s ease;
        }

        .tag-gold {
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            border-color: rgba(245, 158, 11, 0.2);
        }

        .section-title {
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            border-radius: 100px;
            background: linear-gradient(90deg, #6366f1, #8b5cf6);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1e1b4b;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 100px;
            font-size: 16px;
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.35);
            transition: all .3s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(245, 158, 11, 0.48);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 15px;
            transition: all .3s ease;
            background: transparent;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        /* ========== 指南卡片 ========== */
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-border);
            overflow: hidden;
            transition: all .35s ease;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(99, 102, 241, 0.35);
        }

        .guide-card .card-img {
            position: relative;
            overflow: hidden;
            height: 220px;
        }

        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

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

        .card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.35), transparent 60%);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .card-body {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: #94a3b8;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            transition: color .3s ease;
        }

        .guide-card:hover .card-title {
            color: #4f46e5;
        }

        .card-summary {
            color: #64748b;
            font-size: 14px;
            line-height: 1.7;
            margin-top: 10px;
            flex: 1;
        }

        /* ========== 进度条 ========== */
        .progress-track {
            height: 6px;
            background: #e2e8f0;
            border-radius: 100px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 100px;
            background: linear-gradient(90deg, #6366f1, #8b5cf6);
            transition: width .8s ease;
        }

        /* ========== 排行 ========== */
        .rank-list {
            display: grid;
            gap: 16px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 24px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--brand-border);
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .rank-item:hover {
            border-color: rgba(245, 158, 11, 0.45);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .rank-num {
            font-size: 28px;
            font-weight: 800;
            color: #f59e0b;
            min-width: 44px;
            text-align: center;
            line-height: 1;
        }

        .rank-item:nth-child(n+4) .rank-num {
            color: #94a3b8;
        }

        .rank-content {
            flex: 1;
            min-width: 0;
        }

        .rank-title {
            font-weight: 700;
            font-size: 16px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .rank-item:hover .rank-title {
            color: #4f46e5;
        }

        .rank-stat {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #94a3b8;
            margin-top: 2px;
        }

        .hot-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            color: #92400e;
            white-space: nowrap;
        }

        /* ========== 流程 ========== */
        .step-card {
            text-align: center;
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all .35s ease;
            height: 100%;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(245, 158, 11, 0.3);
            transform: translateY(-4px);
        }

        .step-num {
            width: 58px;
            height: 58px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1e1b4b;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }

        .step-title {
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-top: 20px;
            margin-bottom: 8px;
        }

        .step-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--brand-border);
            border-radius: 16px;
            padding: 26px 30px;
            transition: all .3s ease;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.35);
            box-shadow: var(--shadow-md);
        }

        .faq-answer {
            color: #64748b;
            margin-top: 12px;
            font-size: 15px;
            line-height: 1.8;
            display: none;
        }

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

        .faq-chevron {
            transition: transform .3s ease;
        }

        .faq-item.open .faq-chevron {
            transform: rotate(180deg);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e1b4b, #312e81, #4338ca);
            border-radius: 28px;
            position: relative;
            overflow: hidden;
            padding: 80px 50px;
            box-shadow: 0 30px 60px rgba(30, 27, 75, 0.3);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.35), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section>* {
            position: relative;
            z-index: 2;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 72px 0 30px;
            font-size: 14px;
        }

        .site-footer .footer-logo {
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer a {
            color: #94a3b8;
            transition: color .25s ease;
        }

        .site-footer a:hover {
            color: #fbbf24;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 48px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== 动画 ========== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp .7s ease both;
        }

        .fade-up-1 {
            animation-delay: .1s;
        }

        .fade-up-2 {
            animation-delay: .2s;
        }

        .fade-up-3 {
            animation-delay: .3s;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .page-banner {
                padding: 100px 0 80px;
            }
            .container-custom {
                padding: 0 20px;
            }
            .cta-section {
                padding: 60px 36px;
            }
            .rank-item {
                padding: 16px 18px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                border-bottom: 1px solid var(--brand-border);
                box-shadow: 0 24px 50px rgba(2, 6, 23, 0.12);
                gap: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 13px;
                font-size: 16px;
            }
            .nav-cta {
                display: none !important;
            }
            .page-banner {
                padding: 80px 0 60px;
            }
            .page-banner h1 {
                font-size: 30px !important;
            }
            .page-banner p {
                font-size: 15px !important;
            }
            .cta-section {
                padding: 44px 24px;
                border-radius: 20px;
            }
            .site-footer .footer-main {
                grid-template-columns: 1fr !important;
                gap: 30px;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .rank-title {
                white-space: normal;
                font-size: 15px;
            }
            .hot-badge {
                display: none;
            }
            .faq-item {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .guide-card .card-img {
                height: 180px;
            }
            .card-body {
                padding: 20px;
            }
            .card-title {
                font-size: 16px;
            }
            .btn-primary {
                padding: 12px 24px;
                font-size: 14px;
            }
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 14px;
            }
            .step-card {
                padding: 24px 18px;
            }
            .cta-section h2 {
                font-size: 22px !important;
            }
        }

/* roulang page: category2 */
:root {
    --brand: #1e3a5f;
    --brand-dark: #0f2341;
    --brand-light: #eef4fc;
    --accent: #f59e0b;
    --accent-dark: #b45309;
    --accent-light: #fef3c7;
    --bg-body: #f6f8fc;
    --bg-white: #ffffff;
    --text-main: #0f2341;
    --text-weak: #64748b;
    --border: #e8edf2;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(15, 35, 65, 0.06);
    --shadow: 0 12px 32px rgba(15, 35, 65, 0.10);
    --shadow-lg: 0 20px 48px rgba(15, 35, 65, 0.16);
    --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-main); line-height: 1.7; -webkit-font-smoothing: antialiased; }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; }
  ul, ol { list-style: none; }

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

  /* ===== Header ===== */
  .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(232, 237, 242, 0.9); box-shadow: var(--shadow-sm); }
  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
  .site-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .logo-mark { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 4px 12px rgba(30, 58, 95, 0.28); }
  .logo-text { font-size: 20px; font-weight: 800; color: var(--brand-dark); letter-spacing: 0.02em; }
  .logo-text em { font-style: normal; font-weight: 400; color: var(--text-weak); margin-left: 2px; }
  @media (max-width: 640px) { .logo-text { font-size: 16px; } .logo-text em { display: none; } }

  .main-nav { display: flex; align-items: center; gap: 6px; }
  .main-nav a { position: relative; padding: 8px 16px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-main); transition: all 0.2s ease; }
  .main-nav a:hover { color: var(--brand); background: var(--brand-light); }
  .main-nav a.active { color: var(--brand-dark); background: var(--brand-light); font-weight: 700; }
  .main-nav a.active::after { content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 16px; height: 3px; border-radius: 2px; background: var(--accent); }

  .header-actions { display: flex; align-items: center; gap: 12px; }
  .btn-cta { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, var(--accent), #fbbf24); color: #fff; font-weight: 700; font-size: 14px; padding: 10px 22px; border-radius: 999px; box-shadow: 0 6px 18px rgba(245, 158, 11, 0.32); transition: all 0.25s ease; }
  .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(245, 158, 11, 0.42); }
  .btn-cta:active { transform: translateY(0); }
  .nav-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--border); background: #fff; color: var(--text-main); font-size: 18px; align-items: center; justify-content: center; }

  @media (max-width: 900px) {
    .main-nav { display: none; position: absolute; top: 72px; left: 16px; right: 16px; background: #fff; border-radius: 20px; box-shadow: var(--shadow-lg); padding: 16px; flex-direction: column; align-items: stretch; gap: 4px; border: 1px solid var(--border); }
    .main-nav.open { display: flex; }
    .main-nav a { border-radius: 12px; padding: 12px 18px; text-align: center; }
    .nav-toggle { display: inline-flex; }
  }

  /* ===== Hero ===== */
  .hero-category { position: relative; padding: 160px 0 130px; min-height: 480px; display: flex; align-items: center; overflow: hidden; }
  .hero-bg { position: absolute; inset: 0; background-position: center; background-size: cover; background-repeat: no-repeat; }
  .hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(9, 20, 38, 0.92) 0%, rgba(9, 20, 38, 0.78) 50%, rgba(9, 20, 38, 0.45) 100%); }
  .hero-content { position: relative; z-index: 2; width: 100%; }
  .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.14); border: 1px solid rgba(255, 255, 255, 0.24); color: #fbbf24; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; letter-spacing: 0.04em; backdrop-filter: blur(6px); }
  .hero-title { font-size: 44px; line-height: 1.2; font-weight: 800; color: #fff; margin: 20px 0 14px; letter-spacing: 0.01em; }
  .hero-title span { color: var(--accent); }
  .hero-desc { font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, 0.78); max-width: 660px; margin-bottom: 28px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
  .btn-primary { display: inline-flex; align-items: center; gap: 8px; background: linear-gradient(135deg, var(--accent), #fbbf24); color: #fff; font-weight: 700; font-size: 15px; padding: 12px 26px; border-radius: 999px; box-shadow: 0 8px 24px rgba(245, 158, 11, 0.38); transition: all 0.25s ease; }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245, 158, 11, 0.5); }
  .btn-primary:active { transform: translateY(0); }
  .btn-ghost { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.28); color: #fff; font-weight: 600; font-size: 15px; padding: 12px 26px; border-radius: 999px; transition: all 0.25s ease; backdrop-filter: blur(6px); }
  .btn-ghost:hover { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.42); transform: translateY(-2px); }
  .hero-stats { display: flex; flex-wrap: wrap; gap: 36px; }
  .stat-item { position: relative; padding-left: 18px; }
  .stat-item::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 3px; background: var(--accent); }
  .stat-item b { display: block; font-size: 28px; font-weight: 800; color: #fff; line-height: 1.2; }
  .stat-item span { font-size: 13px; color: rgba(255, 255, 255, 0.62); }

  @media (max-width: 1024px) { .hero-title { font-size: 36px; } }
  @media (max-width: 768px) { .hero-category { padding: 130px 0 90px; } .hero-title { font-size: 30px; } .hero-actions { margin-bottom: 32px; } .hero-stats { gap: 20px; } }
  @media (max-width: 520px) { .hero-title { font-size: 26px; } .hero-desc { font-size: 14px; } .stat-item b { font-size: 22px; } }

  /* ===== Section ===== */
  .section { padding: 90px 0; }
  .section-alt { background: #fff; }
  .section-head { max-width: 680px; margin-bottom: 44px; }
  .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
  .section-label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--accent-dark); background: var(--accent-light); padding: 5px 14px; border-radius: 999px; letter-spacing: 0.05em; }
  .section-title { font-size: 32px; font-weight: 800; line-height: 1.3; margin: 14px 0 10px; color: var(--brand-dark); }
  .section-desc { font-size: 15px; color: var(--text-weak); line-height: 1.8; }
  @media (max-width: 768px) { .section { padding: 60px 0; } .section-title { font-size: 26px; } }

  /* ===== Tag Cards ===== */
  .tag-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
  .tag-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 18px; text-align: center; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
  .tag-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #fcd34d; }
  .tag-card .icon { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
  .tag-card b { display: block; font-size: 16px; font-weight: 700; margin-bottom: 4px; }
  .tag-card span { font-size: 12px; color: var(--text-weak); }
  .tag-card.i1 .icon { background: var(--brand-light); color: var(--brand); }
  .tag-card.i2 .icon { background: #fff7ed; color: #ea580c; }
  .tag-card.i3 .icon { background: #f0fdf4; color: #16a34a; }
  .tag-card.i4 .icon { background: #faf5ff; color: #9333ea; }
  .tag-card.i5 .icon { background: #fff1f2; color: #e11d48; }
  .tag-card.i6 .icon { background: #f0f9ff; color: #0284c7; }
  @media (max-width: 1024px) { .tag-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 640px) { .tag-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }

  /* ===== Activity Cards ===== */
  .activity-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .activity-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all 0.35s ease; display: flex; flex-direction: column; }
  .activity-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
  .card-cover { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
  .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
  .activity-card:hover .card-cover img { transform: scale(1.05); }
  .card-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.35) 100%); }
  .hot-badge { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(255, 255, 255, 0.92); color: var(--text-main); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px); display: inline-flex; align-items: center; gap: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
  .hot-badge.red { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }
  .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
  .card-tag { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--text-weak); background: var(--bg-body); border: 1px solid var(--border); padding: 3px 10px; border-radius: 999px; }
  .card-tag-accent { color: var(--accent-dark); background: var(--accent-light); border-color: #fde68a; }
  .card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; color: var(--text-main); }
  .card-body p { font-size: 13px; line-height: 1.7; color: var(--text-weak); margin-bottom: 14px; flex: 1; }
  .card-progress { height: 6px; background: #eef2f7; border-radius: 999px; overflow: hidden; margin-bottom: 12px; }
  .progress-bar { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), #fbbf24); }
  .card-meta { display: flex; align-items: center; justify-content: space-between; }
  .card-meta .people { font-size: 12px; color: var(--text-weak); }
  .btn-small { display: inline-flex; align-items: center; gap: 4px; background: var(--brand); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; transition: all 0.2s ease; }
  .btn-small:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3); }
  @media (max-width: 1024px) { .activity-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 520px) { .activity-grid { grid-template-columns: 1fr; } }

  /* ===== Rank Section ===== */
  .section-rank { background: linear-gradient(135deg, #0f2341 0%, #1e3a5f 100%); color: #fff; }
  .section-rank .section-title { color: #fff; }
  .section-rank .section-desc { color: rgba(255,255,255,0.7); }
  .section-rank .section-label { background: rgba(245,158,11,0.2); color: #fbbf24; }
  .rank-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: center; }
  .rank-list { display: flex; flex-direction: column; gap: 12px; }
  .rank-item { display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 18px 20px; transition: background 0.25s ease; }
  .rank-item:hover { background: rgba(255,255,255,0.1); }
  .rank-num { font-size: 30px; font-weight: 800; font-style: italic; line-height: 1; color: rgba(255,255,255,0.3); min-width: 48px; text-align: center; }
  .rank-item.top-1 .rank-num { color: var(--accent); }
  .rank-item.top-2 .rank-num { color: #cbd5e1; }
  .rank-item.top-3 .rank-num { color: #d97706; }
  .rank-info { flex: 1; }
  .rank-info b { display: block; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
  .rank-bar { height: 5px; border-radius: 999px; background: rgba(255,255,255,0.15); overflow: hidden; }
  .rank-bar span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), #fbbf24); }
  .rank-score { font-size: 14px; font-weight: 800; color: var(--accent); min-width: 42px; text-align: right; }
  .rank-score small { font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.5); }
  @media (max-width: 900px) { .rank-grid { grid-template-columns: 1fr; gap: 32px; } .rank-item { padding: 14px 16px; } }

  /* ===== Timeline ===== */
  .timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 20px; }
  .timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--accent), var(--border)); border-radius: 2px; }
  .timeline-item { position: relative; padding: 0 0 30px 32px; }
  .timeline-item:last-child { padding-bottom: 0; }
  .timeline-dot { position: absolute; left: -20px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); box-shadow: 0 0 0 4px rgba(245,158,11,0.15); }
  .timeline-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow-sm); transition: box-shadow 0.25s ease; }
  .timeline-card:hover { box-shadow: var(--shadow); }
  .timeline-day { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--accent-dark); background: var(--accent-light); padding: 4px 12px; border-radius: 999px; margin-bottom: 10px; }
  .timeline-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
  .timeline-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

  /* ===== Steps ===== */
  .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
  .step-card { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 22px 24px; box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
  .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .step-num { width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--brand-dark)); color: #fff; font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; box-shadow: 0 6px 16px rgba(30,58,95,0.24); }
  .step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
  .step-card p { font-size: 13px; color: var(--text-weak); line-height: 1.7; }
  .step-line { position: absolute; top: 46px; left: calc(100% - 4px); width: 24px; height: 2px; background: #dbe3ec; z-index: 1; }
  .step-line::after { content: ""; position: absolute; right: 0; top: -3px; width: 8px; height: 8px; border-right: 2px solid #dbe3ec; border-top: 2px solid #dbe3ec; transform: rotate(45deg); }
  @media (max-width: 1024px) { .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } .step-line { display: none; } }
  @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }

  /* ===== FAQ ===== */
  .faq-grid { max-width: 860px; margin: 0 auto; }
  .faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: box-shadow 0.25s ease; }
  .faq-item:hover { box-shadow: var(--shadow-sm); }
  .faq-item summary { cursor: pointer; list-style: none; padding: 20px 26px; font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-no { color: var(--accent); font-size: 13px; font-weight: 800; margin-right: 12px; }
  .faq-item summary .fa-chevron-down { color: var(--text-weak); transition: transform 0.3s ease; font-size: 13px; flex-shrink: 0; }
  .faq-item[open] summary .fa-chevron-down { transform: rotate(180deg); }
  .faq-item[open] summary { border-bottom: 1px solid var(--border); }
  .faq-body { padding: 0 26px 22px; font-size: 14px; color: var(--text-weak); line-height: 1.8; background: #fafcff; }
  .faq-body p { padding-top: 16px; }

  /* ===== CTA ===== */
  .cta-box { position: relative; background: linear-gradient(135deg, #0f2341, #1e3a5f); border-radius: 28px; padding: 64px 48px; overflow: hidden; text-align: center; box-shadow: var(--shadow-lg); }
  .cta-box::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: 0.18; }
  .cta-box > * { position: relative; z-index: 1; }
  .cta-box h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; }
  .cta-box p { font-size: 15px; color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto 28px; line-height: 1.8; }
  .cta-box .btn-primary { font-size: 16px; padding: 14px 34px; }
  @media (max-width: 768px) { .cta-box { padding: 40px 24px; } .cta-box h2 { font-size: 24px; } }

  /* ===== Footer ===== */
  .site-footer { background: #0b1728; color: rgba(255,255,255,0.7); padding: 60px 0 0; margin-top: 20px; }
  .footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
  .footer-logo { font-size: 20px; font-weight: 800; color: #fff; display: inline-block; margin-bottom: 14px; }
  .footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,0.55); max-width: 320px; }
  .footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.2s ease; }
  .footer-col ul li a:hover { color: var(--accent); }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }
  @media (max-width: 768px) { .footer-main { grid-template-columns: 1fr; gap: 30px; } }

  /* ===== Focus Accessibility ===== */
  a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(245,158,11,0.5); outline-offset: 2px; border-radius: 6px; }
  ::selection { background: rgba(245,158,11,0.2); }

/* roulang page: category3 */
:root {
      --primary: #1e3a8a;
      --primary-light: #3b82f6;
      --accent: #f59e0b;
      --accent-light: #fbbf24;
      --dark: #0f172a;
      --dark-2: #1e293b;
      --bg: #f8fafc;
      --surface: #ffffff;
      --text: #1e293b;
      --text-weak: #64748b;
      --border: #e2e8f0;
      --radius: 16px;
      --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
      --transition: 0.3s ease;
    }

    * {
      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", sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    button,
    input {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .section {
      padding: 90px 0;
    }

    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: rgba(245, 158, 11, 0.12);
      color: #b45309;
      font-weight: 600;
      font-size: 13px;
      letter-spacing: 0.5px;
    }

    .section-head h2 {
      font-size: 34px;
      line-height: 1.25;
      margin-top: 16px;
      color: var(--dark);
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .section-head p {
      margin-top: 12px;
      color: var(--text-weak);
      font-size: 16px;
    }

    .section-head::after {
      content: "";
      display: block;
      width: 64px;
      height: 4px;
      border-radius: 2px;
      margin: 22px auto 0;
      background: linear-gradient(90deg, #fbbf24, #f59e0b);
    }

    /* ======= Header ======= */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 23, 42, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
      gap: 16px;
    }

    .logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 4px;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .logo-accent {
      color: var(--accent-light);
      font-weight: 700;
    }

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

    .main-nav a {
      padding: 10px 18px;
      border-radius: 10px;
      color: rgba(255, 255, 255, 0.8);
      font-size: 15px;
      font-weight: 500;
      transition: all 0.3s;
    }

    .main-nav a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }

    .main-nav a.active {
      color: #fff;
      background: rgba(245, 158, 11, 0.16);
      box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.35);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #fbbf24, #f59e0b);
      color: #0f172a;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 999px;
      font-size: 14px;
      transition: all 0.3s;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: 0;
      cursor: pointer;
      padding: 10px;
      z-index: 110;
    }

    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: #fff;
      margin: 5px 0;
      transition: 0.3s;
      border-radius: 2px;
    }

    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ======= Buttons ======= */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 32px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      transition: all 0.3s;
      border: 0;
      cursor: pointer;
      line-height: 1.2;
    }

    .btn-accent {
      background: linear-gradient(135deg, #fbbf24, #f59e0b);
      color: #0f172a;
      box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(245, 158, 11, 0.45);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #fff;
      backdrop-filter: blur(6px);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.15);
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    .main-nav a:focus-visible,
    .nav-cta:focus-visible,
    .faq-question:focus-visible {
      outline: 2px solid #fbbf24;
      outline-offset: 3px;
    }

    /* ======= Hero ======= */
    .hero {
      position: relative;
      min-height: 640px;
      display: flex;
      align-items: center;
      background: var(--dark);
      overflow: hidden;
      padding: 90px 0 80px;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.35;
    }

    .hero-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.78) 50%, rgba(30, 58, 138, 0.55) 100%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #fbbf24;
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
    }

    .hero h1 {
      color: #fff;
      font-size: 44px;
      line-height: 1.22;
      font-weight: 800;
      margin-top: 24px;
      letter-spacing: -0.02em;
    }

    .hero p {
      color: rgba(255, 255, 255, 0.72);
      font-size: 18px;
      margin: 20px auto 34px;
      max-width: 660px;
    }

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

    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 48px;
      margin-top: 52px;
      flex-wrap: wrap;
    }

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

    .hero-stat strong {
      display: block;
      color: #fff;
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .hero-stat span {
      color: rgba(255, 255, 255, 0.55);
      font-size: 13px;
    }

    /* ======= Portal Cards ======= */
    .portal-section {
      background: var(--bg);
    }

    .portal-card {
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: all 0.4s;
      display: block;
      position: relative;
      border: 1px solid var(--border);
      height: 100%;
    }

    .portal-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .portal-img {
      height: 158px;
      overflow: hidden;
      position: relative;
    }

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

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

    .portal-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, 0) 40%, rgba(15, 23, 42, 0.4));
    }

    .portal-body {
      padding: 24px;
      position: relative;
    }

    .portal-icon {
      display: inline-flex;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #1e3a8a, #3b82f6);
      color: #fff;
      font-size: 18px;
      margin-top: -58px;
      position: relative;
      z-index: 2;
      box-shadow: 0 8px 18px rgba(30, 58, 138, 0.32);
    }

    .portal-body h3 {
      font-size: 18px;
      font-weight: 700;
      margin-top: 14px;
      color: var(--dark);
    }

    .portal-body p {
      color: var(--text-weak);
      font-size: 14px;
      margin-top: 8px;
    }

    .portal-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 14px;
      color: #d97706;
      font-weight: 600;
      font-size: 14px;
      transition: gap 0.3s;
    }

    .portal-card:hover .portal-link {
      gap: 10px;
    }

    /* ======= FAQ ======= */
    .faq-section {
      background: #fff;
    }

    .faq-search {
      max-width: 640px;
      margin: 0 auto 36px;
      display: flex;
      align-items: center;
      gap: 12px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 6px 12px 6px 20px;
      transition: all 0.3s;
    }

    .faq-search:focus-within {
      border-color: #fbbf24;
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
      background: #fff;
    }

    .faq-search i {
      color: #94a3b8;
      font-size: 14px;
    }

    .faq-search input {
      flex: 1;
      border: 0;
      background: transparent;
      padding: 10px 0;
      font-size: 14px;
      color: var(--text);
      outline: none;
    }

    .faq-list {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 16px;
      background: #f8fafc;
      overflow: hidden;
      transition: all 0.3s;
    }

    .faq-item.open {
      box-shadow: var(--shadow);
      border-color: #fcd34d;
      background: #fff;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 20px 22px;
      background: transparent;
      border: 0;
      cursor: pointer;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      transition: background 0.3s;
    }

    .faq-question:hover {
      background: rgba(245, 158, 11, 0.04);
    }

    .faq-num {
      font-size: 13px;
      font-weight: 800;
      color: #d97706;
      background: rgba(245, 158, 11, 0.1);
      width: 34px;
      height: 34px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .faq-title {
      flex: 1;
    }

    .faq-badge {
      font-size: 11px;
      background: #fef3c7;
      color: #b45309;
      padding: 3px 10px;
      border-radius: 999px;
      font-weight: 600;
      flex-shrink: 0;
    }

    .faq-question i {
      transition: transform 0.3s;
      color: #94a3b8;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 24px 70px;
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.85;
    }

    .faq-item.open .faq-answer {
      display: block;
      animation: fadeSlide 0.3s ease;
    }

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

    /* ======= Detail Section ======= */
    .detail-section {
      background: var(--bg);
    }

    .detail-image {
      position: relative;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .detail-image img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .image-float {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(10px);
      border-radius: 16px;
      padding: 18px 20px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 14px;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .image-float .float-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, #fbbf24, #f59e0b);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0f172a;
      font-size: 18px;
      flex-shrink: 0;
    }

    .image-float strong {
      font-size: 15px;
      display: block;
    }

    .image-float p {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.72);
    }

    .detail-steps {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .step-card {
      display: flex;
      gap: 18px;
      padding: 22px 24px;
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--border);
      transition: all 0.3s;
    }

    .step-card:hover {
      border-color: #fcd34d;
      box-shadow: var(--shadow);
      transform: translateX(6px);
    }

    .step-card .step-no {
      flex-shrink: 0;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, #1e3a8a, #3b82f6);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
    }

    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-weak);
      margin-top: 4px;
      line-height: 1.7;
    }

    /* ======= Process ======= */
    .process-section {
      background: var(--dark);
      position: relative;
      overflow: hidden;
    }

    .process-section::before {
      content: "";
      position: absolute;
      top: -120px;
      right: -120px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.08);
    }

    .process-section .section-head h2 {
      color: #fff;
    }

    .process-section .section-head p {
      color: rgba(255, 255, 255, 0.6);
    }

    .process-section .section-tag {
      background: rgba(245, 158, 11, 0.15);
      color: #fcd34d;
    }

    .process-step {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 20px;
      padding: 32px 28px;
      text-align: center;
      transition: all 0.3s;
      height: 100%;
    }

    .process-step:hover {
      background: rgba(255, 255, 255, 0.09);
      transform: translateY(-4px);
    }

    .process-step .step-num {
      display: inline-flex;
      width: 54px;
      height: 54px;
      border-radius: 16px;
      background: linear-gradient(135deg, #fbbf24, #f59e0b);
      color: #0f172a;
      font-size: 18px;
      font-weight: 800;
      align-items: center;
      justify-content: center;
    }

    .process-step h3 {
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      margin-top: 18px;
    }

    .process-step p {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      margin-top: 8px;
      line-height: 1.7;
    }

    /* ======= CTA ======= */
    .cta-section {
      padding: 90px 0;
      background: linear-gradient(135deg, #fef3c7, #fffbeb);
    }

    .cta-box {
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
    }

    .cta-box h2 {
      font-size: 34px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.02em;
    }

    .cta-box p {
      color: var(--text-weak);
      font-size: 16px;
      margin: 16px auto 32px;
      max-width: 520px;
    }

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

    .cta-actions .btn-outline {
      border-color: #d97706;
      color: #b45309;
      background: transparent;
    }

    .cta-actions .btn-outline:hover {
      background: rgba(245, 158, 11, 0.1);
    }

    /* ======= Footer ======= */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 70px 0 0;
    }

    .footer-main {
      display: flex;
      gap: 56px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .footer-brand {
      flex: 1.4;
      min-width: 280px;
    }

    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.5px;
    }

    .footer-brand p {
      font-size: 14px;
      margin-top: 14px;
      max-width: 440px;
      color: rgba(255, 255, 255, 0.55);
      line-height: 1.8;
    }

    .footer-col {
      flex: 1;
      min-width: 160px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 20px;
      font-weight: 700;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col li {
      margin-bottom: 10px;
    }

    .footer-col a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: all 0.3s;
    }

    .footer-col a:hover {
      color: #fbbf24;
      padding-left: 6px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 24px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

    /* ======= Responsive ======= */
    @media (max-width: 1024px) {
      .section {
        padding: 72px 0;
      }

      .hero h1 {
        font-size: 38px;
      }

      .detail-image img {
        height: 380px;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        background: rgba(15, 23, 42, 0.97);
      }

      .nav-toggle {
        display: block;
        order: 3;
      }

      .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        padding: 20px;
        display: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        gap: 6px;
      }

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

      .main-nav a {
        width: 100%;
        text-align: center;
        padding: 14px;
        font-size: 16px;
      }

      .nav-cta {
        margin-left: auto;
      }

      .header-inner {
        gap: 10px;
      }

      .hero {
        min-height: auto;
        padding: 80px 0 60px;
      }

      .hero h1 {
        font-size: 32px;
      }

      .hero p {
        font-size: 16px;
      }

      .hero-stats {
        gap: 28px;
      }

      .hero-stat strong {
        font-size: 26px;
      }

      .section-head h2 {
        font-size: 28px;
      }

      .faq-answer {
        padding: 0 20px 20px 56px;
      }
    }

    @media (max-width: 520px) {
      .logo {
        font-size: 15px;
      }

      .logo-accent {
        display: none;
      }

      .nav-cta .cta-text {
        display: none;
      }

      .nav-cta {
        width: 38px;
        height: 38px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
      }

      .hero {
        padding: 64px 0 48px;
      }

      .hero h1 {
        font-size: 26px;
      }

      .hero p {
        font-size: 15px;
      }

      .hero-actions .btn {
        padding: 12px 22px;
        font-size: 14px;
      }

      .hero-stats {
        gap: 20px;
        margin-top: 36px;
      }

      .hero-stat strong {
        font-size: 22px;
      }

      .hero-stat span {
        font-size: 12px;
      }

      .section {
        padding: 56px 0;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .section-head p {
        font-size: 15px;
      }

      .faq-question {
        padding: 16px;
        gap: 10px;
        font-size: 15px;
      }

      .faq-num {
        width: 30px;
        height: 30px;
        font-size: 12px;
      }

      .faq-badge {
        display: none;
      }

      .faq-answer {
        padding: 0 16px 18px 48px;
        font-size: 14px;
      }

      .detail-image img {
        height: 300px;
      }

      .image-float {
        padding: 14px;
      }

      .step-card {
        padding: 18px;
        gap: 14px;
      }

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

      .footer-main {
        gap: 36px;
        margin-bottom: 32px;
      }

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