/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --accent: #f59e0b;
  --green: #10b981;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(30, 42, 58, 0.05);
  --shadow-md: 0 6px 24px rgba(30, 42, 58, 0.07);
  --shadow-lg: 0 16px 48px rgba(30, 42, 58, 0.12);
  --header-h: 76px;
  --container: 1200px;
  --transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input {
  font-family: inherit;
  outline: none;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5 {
  line-height: 1.3;
  font-weight: 700;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  z-index: 1000;
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.25s ease;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 210px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f1f5f9;
  padding: 0 38px 0 16px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.25s ease;
}
.search-box input::placeholder {
  color: #94a3b8;
}
.search-box input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
  width: 260px;
}
.search-icon {
  position: absolute;
  right: 14px;
  color: #94a3b8;
  font-size: 14px;
  pointer-events: none;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.28);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid rgba(79, 70, 229, 0.4);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========== Hero 首屏 ========== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 60px) 0 80px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.82), rgba(79, 70, 229, 0.78)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--bg);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.hero-sub {
  font-size: clamp(18px, 3vw, 26px);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 2px;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
  max-width: 640px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 560px;
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-stats .stat {
  text-align: center;
}
.hero-stats .stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.hero-stats .stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ========== 板块通用 ========== */
.section {
  padding: 88px 0;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
}

/* ========== 公司简介 ========== */
.about {
  background: var(--card);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.about-media:hover img {
  transform: scale(1.04);
}
.about-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent 50%);
}
.about-content h3 {
  font-size: 26px;
  margin-bottom: 20px;
  color: var(--text);
}
.about-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 16px;
}
.check-list {
  margin: 28px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  color: var(--text);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* ========== 分类入口 ========== */
.categories {
  background: var(--bg);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.category-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.3);
}
.category-img {
  height: 240px;
  overflow: hidden;
  position: relative;
}
.category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover .category-img img {
  transform: scale(1.06);
}
.category-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.3), transparent 60%);
}
.category-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.category-body h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.category-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}
.category-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}
.category-card:hover .category-link {
  gap: 12px;
}

/* ========== 最新资讯 ========== */
.news {
  background: var(--card);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 860px;
  margin: 0 auto;
}
.news-item {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  transition: all var(--transition);
}
.news-item:hover {
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
  background: #fff;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.news-cat {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}
.news-date {
  font-size: 13px;
  color: #94a3b8;
}
.news-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  transition: color 0.25s ease;
}
.news-item:hover .news-title {
  color: var(--primary);
}
.news-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

/* ========== 数据统计 ========== */
.stats-section {
  background: linear-gradient(135deg, #1e293b, #2d3a50);
  padding: 72px 0;
  color: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.stat-item strong {
  display: block;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #c7d2fe, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ========== 流程 ========== */
.steps {
  background: var(--bg);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.step-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  text-align: center;
}
.step-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}
.step-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}
.step-card::before {
  content: "→";
  position: absolute;
  top: 80px;
  right: -24px;
  font-size: 24px;
  color: #cbd5e1;
  z-index: 2;
}
.step-card:last-child::before {
  display: none;
}

/* ========== FAQ ========== */
.faq {
  background: var(--card);
}
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(79, 70, 229, 0.3);
}
.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: rgba(79, 70, 229, 0.25);
}
.faq-item summary {
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color 0.25s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item[open] summary {
  color: var(--primary);
}
.faq-item p {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}

/* ========== CTA ========== */
.cta {
  padding: 0;
}
.cta-box {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(79, 70, 229, 0.82)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 480px;
  margin: 0 auto 36px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding-top: 72px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-mark {
  background: linear-gradient(135deg, var(--primary), #818cf8);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 12px;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  padding: 4px 0;
  transition: all 0.25s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .about-grid {
    gap: 40px;
  }
  .about-media img {
    height: 360px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .search-box input {
    width: 170px;
  }
  .search-box input:focus {
    width: 200px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }
  .header-inner {
    gap: 12px;
  }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    border-radius: 0 0 24px 24px;
    border-bottom: 1px solid var(--border);
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-link {
    width: 100%;
    border-radius: 12px;
    padding: 12px 18px;
  }
  .search-box {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: calc(var(--header-h) + 40px) 0 60px;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .hero-stats .stat strong {
    font-size: 24px;
  }
  .section {
    padding: 64px 0;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-media img {
    height: 260px;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step-card::before {
    display: none;
  }
  .cta-box {
    padding: 48px 24px;
    border-radius: 20px;
  }
  .cta-box h2 {
    font-size: 28px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .logo-text {
    font-size: 17px;
  }
  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .hero {
    padding: calc(var(--header-h) + 32px) 0 48px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero-sub {
    font-size: 18px;
  }
  .hero-desc {
    font-size: 14px;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
  }
  .hero-stats .stat strong {
    font-size: 20px;
  }
  .hero-stats .stat span {
    font-size: 12px;
  }
  .section-title {
    font-size: 28px;
  }
  .section-desc {
    font-size: 14px;
  }
  .category-body {
    padding: 24px;
  }
  .news-item {
    padding: 20px;
  }
  .news-item:hover {
    transform: none;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-item strong {
    font-size: 32px;
  }
  .faq-item summary {
    font-size: 15px;
    padding: 16px 20px;
  }
  .faq-item p {
    padding: 0 20px 18px;
  }
  .cta-box {
    padding: 40px 20px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    padding: 20px 0;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --secondary: #10b981;
  --secondary-light: #ecfdf5;
  --accent: #f59e0b;
  --bg: #f8fafc;
  --bg-alt: #eef2ff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(15, 23, 42, .06);
  --shadow-hover: 0 10px 32px rgba(15, 23, 42, .12);
  --shadow-primary: 0 8px 24px rgba(79, 70, 229, .25);
  --transition: all .3s ease;
  --container: 1200px;
  --space-section: 96px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}
input, textarea {
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  outline: none;
  transition: var(--transition);
  background: var(--white);
}
input:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(79, 70, 229, .35);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .14);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}
.btn-lg {
  padding: 16px 38px;
  font-size: 16px;
}

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}
.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}
.badge-secondary {
  background: var(--secondary-light);
  color: #047857;
}
.badge-accent {
  background: #fef3c7;
  color: #b45309;
}
.badge-gray {
  background: #f1f5f9;
  color: var(--text-weak);
}

/* ===== 站点头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  font-family: "STSong", "SimSun", serif;
  box-shadow: var(--shadow-primary);
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box input {
  width: 180px;
  padding: 9px 14px 9px 38px;
  border-radius: 50px;
  background: var(--bg);
  border: 1px solid transparent;
  transition: var(--transition);
}
.search-box input:focus {
  width: 220px;
  background: var(--white);
  border-color: var(--primary);
}
.search-icon {
  position: absolute;
  left: 14px;
  font-size: 14px;
  color: var(--text-weak);
  pointer-events: none;
}
.header-cta {
  padding: 8px 22px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle:hover span {
  background: var(--primary);
}

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  padding: 84px 0 96px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 70, 229, .93), rgba(16, 185, 129, .82));
}
.page-banner .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 20px;
}
.breadcrumb a:hover {
  color: #fff;
}
.breadcrumb .sep {
  opacity: .6;
}
.page-banner h1 {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.page-banner p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .92);
}
.banner-tags {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.banner-tags .badge {
  background: rgba(255, 255, 255, .18);
  color: #fff;
  backdrop-filter: blur(6px);
  padding: 6px 18px;
  font-size: 13px;
}

/* ===== 统计数据条 ===== */
.stats-bar {
  margin-top: -56px;
  position: relative;
  z-index: 2;
  padding-bottom: 24px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 36px 40px;
  border: 1px solid rgba(226, 232, 240, .6);
}
.stat-item {
  text-align: center;
  padding: 12px 8px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child {
  border-right: none;
}
.stat-num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-weak);
  margin-top: 6px;
}

/* ===== 分类标签栏 ===== */
.filter-bar {
  padding: 40px 0 8px;
}
.filter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-tag {
  padding: 7px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-weak);
  cursor: pointer;
  transition: var(--transition);
}
.filter-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.filter-info {
  font-size: 14px;
  color: var(--text-weak);
}
.filter-info strong {
  color: var(--primary);
  font-size: 18px;
}

/* ===== 资讯卡片网格 ===== */
.news-section {
  padding: 40px 0 72px;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, .5);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.news-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.news-card:hover .news-card-img img {
  transform: scale(1.05);
}
.news-card-img .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(4px);
}
.news-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 10px;
}
.news-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-card-meta i {
  font-size: 12px;
  color: var(--primary);
}
.news-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
  transition: var(--transition);
}
.news-card:hover .news-card-title {
  color: var(--primary);
}
.news-card-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.news-readmore {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.news-readmore:hover {
  gap: 10px;
  color: var(--primary-dark);
}
.news-date {
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== 图文分栏：热门资讯 + 特色专题 ===== */
.feature-section {
  padding: 72px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}
.feature-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.section-title-wrap {
  margin-bottom: 36px;
}
.section-sub {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.section-sub::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}
.section-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
}
.section-desc {
  font-size: 15px;
  color: var(--text-weak);
  max-width: 480px;
  margin-top: 10px;
}

/* 热门资讯列表 */
.hot-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hot-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.hot-item:hover {
  background: var(--bg);
}
.hot-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--border);
  min-width: 44px;
  text-align: center;
  transition: var(--transition);
}
.hot-item:nth-child(1) .hot-num {
  color: var(--accent);
}
.hot-item:nth-child(2) .hot-num {
  color: var(--primary);
}
.hot-item:nth-child(3) .hot-num {
  color: #06b6d4;
}
.hot-item:nth-child(4) .hot-num {
  color: #8b5cf6;
}
.hot-item:nth-child(5) .hot-num {
  color: var(--secondary);
}
.hot-info {
  flex: 1;
  min-width: 0;
}
.hot-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: var(--transition);
}
.hot-item:hover .hot-title {
  color: var(--primary);
}
.hot-stats {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
}
.hot-stats i {
  font-size: 12px;
  margin-right: 3px;
}

/* 特色专题卡片 */
.special-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  padding: 36px;
  box-shadow: 0 20px 40px rgba(79, 70, 229, .22);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.special-card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.special-card::before {
  content: "";
  position: absolute;
  right: 40px;
  bottom: -50px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}
.special-top {
  position: relative;
  z-index: 1;
}
.special-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .2);
  color: #fff;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.special-title {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-top: 18px;
  line-height: 1.5;
}
.special-desc {
  color: rgba(255, 255, 255, .9);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 12px;
}
.special-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}
.special-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-bottom: 2px solid rgba(255, 255, 255, .4);
  padding-bottom: 2px;
  transition: var(--transition);
}
.special-link:hover {
  border-bottom-color: #fff;
  gap: 12px;
}

/* 次专题卡片 */
.special-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.special-mini {
  border-radius: var(--radius);
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.special-mini:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.special-mini h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.special-mini p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.6;
}
.special-mini a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 10px;
}
.special-mini a:hover {
  gap: 10px;
}

/* ===== 时间线 ===== */
.timeline-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.timeline-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}
.timeline-wrap::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary), transparent);
}
.timeline-item {
  position: relative;
  padding: 0 0 40px 84px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: 18px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
}
.timeline-item:nth-child(2) .timeline-dot {
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
}
.timeline-item:nth-child(3) .timeline-dot {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, .12);
}
.timeline-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 14px;
  border-radius: 50px;
  margin-bottom: 8px;
}
.timeline-item:nth-child(2) .timeline-date {
  color: #047857;
  background: var(--secondary-light);
}
.timeline-item:nth-child(3) .timeline-date {
  color: #b45309;
  background: #fef3c7;
}
.timeline-item h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}
.timeline-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  max-width: 640px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 27, 75, .92), rgba(79, 70, 229, .85));
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, .85);
  max-width: 560px;
  margin: 0 auto 32px;
}
.cta-form {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 520px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 22px;
  border-radius: 50px;
  border: none;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  backdrop-filter: blur(8px);
}
.cta-form input::placeholder {
  color: rgba(255, 255, 255, .65);
}
.cta-form input:focus {
  background: rgba(255, 255, 255, .18);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .2);
}
.cta-tips {
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
  margin-top: 16px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--white);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq-item h3 i {
  color: var(--primary);
  font-size: 16px;
}
.faq-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  padding-left: 26px;
}

/* ===== 站点页脚 ===== */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 64px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  color: #94a3b8;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  padding: 6px 0;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 1.8;
  color: #94a3b8;
  margin-bottom: 8px;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .feature-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stats-grid {
    padding: 28px 24px;
  }
  .stat-num {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 99;
  }
  .main-nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link {
    padding: 12px 16px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }
  .search-box {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .page-banner {
    padding: 64px 0 80px;
  }
  .page-banner h1 {
    font-size: 32px;
  }
  .page-banner p {
    font-size: 15px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 24px 16px;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }
  .stat-item:nth-child(n+3) {
    border-bottom: none;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .filter-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-form {
    flex-direction: column;
    align-items: center;
  }
  .cta-form .btn {
    width: 100%;
  }
  .timeline-wrap::before {
    left: 20px;
  }
  .timeline-item {
    padding: 0 0 32px 56px;
  }
  .timeline-dot {
    left: 12px;
    width: 16px;
    height: 16px;
  }
  .section-title {
    font-size: 24px;
  }
  .special-grid {
    grid-template-columns: 1fr;
  }
  .special-card {
    padding: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 16px;
  }
  .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 17px;
  }
  .page-banner h1 {
    font-size: 26px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-card-title {
    font-size: 17px;
  }
  .hot-title {
    white-space: normal;
  }
  .hot-item {
    align-items: flex-start;
  }
  .footer-bottom {
    font-size: 12px;
    padding: 16px 8px;
  }
}

/* roulang page: article */
:root {
  --primary: #0e7c6b;
  --primary-dark: #0a5d51;
  --primary-light: #d1f5ef;
  --accent: #f0a04b;
  --accent-light: #fef0dd;
  --bg-body: #f5f8fa;
  --bg-white: #ffffff;
  --bg-soft: #eef7f3;
  --text-dark: #1e293b;
  --text-body: #334155;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --container: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; border: none; outline: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(14, 124, 107, 0.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14, 124, 107, 0.32); }
.btn-primary:active { transform: translateY(0); }
.btn-light { background: #fff; color: var(--primary); border-color: transparent; box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-block { width: 100%; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  gap: 6px;
}
.badge-primary { background: var(--primary); color: #fff; }
.badge-soft { background: var(--primary-light); color: var(--primary-dark); }
.badge-accent { background: var(--accent-light); color: #b45309; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.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(--primary), #14b8a6);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(14, 124, 107, 0.3);
}
.logo-text { font-size: 19px; font-weight: 700; color: var(--text-dark); letter-spacing: 0.5px; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box input {
  width: 210px;
  height: 38px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid transparent;
  padding: 0 16px 0 38px;
  font-size: 14px;
  color: var(--text-dark);
  transition: var(--transition);
}
.search-box input::placeholder { color: var(--text-light); }
.search-box input:focus { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14, 124, 107, 0.12); }
.search-icon { position: absolute; left: 12px; font-size: 15px; color: var(--text-light); pointer-events: none; }
.header-cta { margin-left: 4px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--bg-soft);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--primary-light); }
.nav-toggle span { width: 20px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }
.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); }
.article-hero {
  position: relative;
  padding: 88px 0 72px;
  background-size: cover;
  background-position: center;
  background-color: #0b4d44;
  color: #fff;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(7, 70, 62, 0.94), rgba(7, 70, 62, 0.72) 55%, rgba(14, 124, 107, 0.55));
}
.article-hero .container { position: relative; z-index: 2; }
.article-hero-inner { max-width: 860px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 24px; color: rgba(255, 255, 255, 0.75); }
.breadcrumb a { color: rgba(255, 255, 255, 0.75); transition: var(--transition); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb-sep { opacity: 0.5; }
.article-meta-top { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.article-date { font-size: 14px; color: rgba(255, 255, 255, 0.85); display: inline-flex; align-items: center; gap: 6px; }
.article-title { font-size: 40px; font-weight: 800; line-height: 1.3; color: #fff; margin-bottom: 18px; letter-spacing: 1px; }
.article-desc { font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, 0.9); max-width: 720px; }
.article-body-section { padding: 64px 0 72px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; align-items: start; }
.article-main { background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 48px 52px; min-width: 0; }
.article-content { font-size: 17px; line-height: 1.9; color: var(--text-body); }
.article-content h2 { font-size: 28px; font-weight: 700; color: var(--text-dark); margin: 40px 0 18px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); }
.article-content h3 { font-size: 22px; font-weight: 600; color: var(--text-dark); margin: 32px 0 14px; }
.article-content h4 { font-size: 18px; font-weight: 600; color: var(--text-dark); margin: 24px 0 12px; }
.article-content p { margin-bottom: 18px; }
.article-content a { color: var(--primary); font-weight: 500; border-bottom: 1px solid rgba(14, 124, 107, 0.3); transition: var(--transition); }
.article-content a:hover { color: var(--primary-dark); border-bottom-color: var(--primary); }
.article-content ul { margin: 0 0 20px 0; padding: 0; }
.article-content ul li { position: relative; padding-left: 24px; margin-bottom: 10px; }
.article-content ul li::before { content: ""; position: absolute; left: 4px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); opacity: 0.7; }
.article-content ol { margin: 0 0 20px 0; padding-left: 20px; counter-reset: article-list; }
.article-content ol li { position: relative; padding-left: 8px; margin-bottom: 10px; list-style: decimal; }
.article-content blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  background: var(--bg-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-light);
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img { border-radius: var(--radius-md); margin: 28px 0; box-shadow: var(--shadow-sm); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; border-radius: var(--radius-sm); overflow: hidden; }
.article-content table th, .article-content table td { padding: 12px 18px; border: 1px solid var(--border); text-align: left; }
.article-content table th { background: var(--bg-soft); font-weight: 600; color: var(--text-dark); }
.article-content table tr:hover td { background: #f8fafc; }
.article-content code { background: var(--bg-soft); color: var(--primary-dark); padding: 2px 8px; border-radius: 6px; font-size: 14px; }
.article-content pre { background: #1e293b; color: #e2e8f0; padding: 24px; border-radius: var(--radius-md); overflow-x: auto; margin: 24px 0; font-size: 14px; line-height: 1.7; }
.article-content pre code { background: none; color: inherit; padding: 0; }
.article-footer-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border); gap: 20px; flex-wrap: wrap; }
.article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tags-label { font-size: 14px; color: var(--text-light); }
.article-share { display: flex; align-items: center; gap: 10px; }
.share-label { font-size: 14px; color: var(--text-light); }
.share-link { font-size: 14px; color: var(--primary); padding: 4px 12px; border-radius: 999px; background: var(--primary-light); transition: var(--transition); }
.share-link:hover { background: var(--primary); color: #fff; }
.not-found-card { text-align: center; padding: 72px 24px; }
.not-found-icon { font-size: 56px; margin-bottom: 20px; }
.not-found-card h2 { font-size: 28px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.not-found-card p { color: var(--text-light); margin-bottom: 24px; }
.article-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }
.sidebar-card { background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 28px; border: 1px solid rgba(226, 232, 240, 0.6); }
.sidebar-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); display: flex; align-items: center; gap: 8px; }
.sidebar-title::before { content: ""; width: 4px; height: 18px; border-radius: 4px; background: var(--primary); }
.sidebar-list li { margin-bottom: 10px; }
.sidebar-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: var(--transition);
}
.sidebar-list a:hover { background: var(--primary-light); color: var(--primary); transform: translateX(4px); }
.sidebar-list a i { font-style: normal; font-size: 16px; transition: var(--transition); }
.sidebar-list a:hover i { transform: translateX(4px); }
.sidebar-posts li { margin-bottom: 16px; }
.side-post { display: flex; gap: 14px; align-items: center; transition: var(--transition); }
.side-post:hover .side-post-info h4 { color: var(--primary); }
.side-post-thumb { width: 76px; height: 60px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.side-post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.side-post:hover .side-post-thumb img { transform: scale(1.05); }
.side-post-info h4 { font-size: 14px; font-weight: 600; color: var(--text-dark); line-height: 1.4; margin-bottom: 4px; transition: var(--transition); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-post-info span { font-size: 12px; color: var(--text-light); }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), #14b8a6); color: #fff; border: none; padding: 32px 28px; }
.sidebar-cta h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.sidebar-cta p { font-size: 14px; opacity: 0.9; margin-bottom: 20px; }
.sidebar-cta .btn { width: 100%; }
.insight-section { padding: 80px 0; background: var(--bg-white); border-top: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--primary); background: var(--primary-light); padding: 6px 16px; border-radius: 999px; margin-bottom: 14px; letter-spacing: 1px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; letter-spacing: 0.5px; }
.section-head p { font-size: 16px; color: var(--text-light); max-width: 560px; margin: 0 auto; }
.insight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.insight-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.insight-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(14, 124, 107, 0.3); }
.insight-icon {
  width: 68px;
  height: 68px;
  border-radius: 20px;
  margin: 0 auto 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  background: var(--primary-light);
  transition: var(--transition);
}
.insight-card:hover .insight-icon { background: var(--primary); transform: scale(1.06); }
.insight-card h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.insight-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.recommend-section { padding: 80px 0; background: var(--bg-body); }
.recommend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.recommend-card {
  display: flex;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}
.recommend-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(14, 124, 107, 0.2); }
.recommend-cover { width: 260px; min-height: 200px; flex-shrink: 0; overflow: hidden; position: relative; }
.recommend-cover img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.recommend-card:hover .recommend-cover img { transform: scale(1.04); }
.recommend-body { padding: 28px; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.recommend-body .badge { align-self: flex-start; }
.recommend-body h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); line-height: 1.4; }
.recommend-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.category-path-section { padding: 80px 0; background: var(--bg-white); border-top: 1px solid var(--border); }
.category-path-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 980px; margin: 0 auto; }
.category-path-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  background: linear-gradient(135deg, var(--primary-light), #f0fdfa);
  border: 1px solid rgba(14, 124, 107, 0.12);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.category-path-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.category-path-card:nth-child(2) { background: linear-gradient(135deg, var(--accent-light), #fffaf0); border-color: rgba(240, 160, 75, 0.18); }
.category-path-icon { font-size: 40px; margin-bottom: 18px; }
.category-path-card h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.category-path-card p { font-size: 15px; color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }
.category-path-link { font-size: 15px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.category-path-card:nth-child(2) .category-path-link { color: #b45309; }
.category-path-card:hover .category-path-link { gap: 12px; }
.faq-section { padding: 80px 0; background: var(--bg-body); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--primary); background: var(--bg-soft); }
.faq-item p { padding: 0 28px 22px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
.cta-section { padding: 80px 0; background: #0b4d44; }
.cta-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}
.cta-card h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; letter-spacing: 1px; }
.cta-card p { font-size: 17px; opacity: 0.85; margin-bottom: 32px; line-height: 1.8; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.site-footer { background: #0f2f2a; color: rgba(255, 255, 255, 0.72); padding: 64px 0 0; margin-top: 0; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo .logo-text { color: #fff; }
.footer-brand .logo .logo-mark { background: linear-gradient(135deg, var(--accent), #fbbf24); box-shadow: 0 4px 14px rgba(240, 160, 75, 0.3); }
.footer-brand p { margin-top: 18px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); }
.footer-links h4, .footer-contact h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-links a { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.65); padding: 6px 0; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact p { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.6); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.5); }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .sidebar-card { flex: 1 1 300px; }
  .insight-grid { grid-template-columns: repeat(2, 1fr); }
  .recommend-cover { width: 220px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .main-nav.open { display: flex; position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); gap: 4px; }
  .main-nav.open .nav-link { width: 100%; text-align: left; padding: 14px 20px; border-radius: var(--radius-md); }
  .search-box { display: none; }
  .header-cta { margin-left: 0; }
}
@media (max-width: 768px) {
  .article-hero { padding: 60px 0 48px; }
  .article-title { font-size: 30px; }
  .article-main { padding: 32px 28px; }
  .recommend-grid { grid-template-columns: 1fr; }
  .recommend-card { flex-direction: column; }
  .recommend-cover { width: 100%; min-height: 180px; }
  .category-path-grid { grid-template-columns: 1fr; }
  .insight-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-card h2 { font-size: 28px; }
  .section-head h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { height: 64px; gap: 12px; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 34px; height: 34px; font-size: 17px; border-radius: 10px; }
  .header-cta { display: none; }
  .article-hero { padding: 44px 0 40px; }
  .article-title { font-size: 24px; }
  .article-desc { font-size: 15px; }
  .article-main { padding: 24px 18px; border-radius: var(--radius-md); }
  .article-content { font-size: 16px; }
  .article-content h2 { font-size: 22px; }
  .article-footer-meta { flex-direction: column; align-items: flex-start; }
  .insight-grid { grid-template-columns: 1fr; }
  .insight-card { padding: 28px 20px; }
  .section-head h2 { font-size: 24px; }
  .faq-item summary { padding: 16px 18px; font-size: 15px; }
  .faq-item p { padding: 0 18px 18px; }
  .recommend-card { border-radius: var(--radius-md); }
  .recommend-body { padding: 20px; }
  .category-path-card { padding: 32px 24px; }
  .footer-inner { padding-bottom: 32px; }
  .footer-bottom p { font-size: 12px; }
}

/* roulang page: category2 */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #EEF2FF;
    --accent: #F59E0B;
    --accent-light: #FEF3C7;
    --bg: #F8FAFC;
    --bg-white: #FFFFFF;
    --text: #1E293B;
    --text-weak: #64748B;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(30, 41, 59, 0.08);
    --shadow-hover: 0 12px 32px rgba(79, 70, 229, 0.14);
    --space-section: 96px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius);
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
input {
    font-family: inherit;
    outline: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section {
    padding: var(--space-section) 0;
}
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}
.section-head .tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 12px;
}
.section-head h2 {
    font-size: 36px;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.section-head p {
    color: var(--text-weak);
    font-size: 16px;
}
.text-center {
    text-align: center;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    transition: all .25s ease;
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.25);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(79, 70, 229, 0.35);
}
.btn-primary:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.4);
    outline-offset: 2px;
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25);
}
.btn-accent:hover {
    background: #D97706;
    transform: translateY(-2px);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}
.logo-text {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.3px;
    white-space: nowrap;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-weak);
    position: relative;
    padding: 6px 2px;
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}
.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}
.search-box input {
    width: 200px;
    padding: 9px 14px 9px 38px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: #F1F5F9;
    font-size: 14px;
    transition: all .25s ease;
}
.search-box input:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    width: 220px;
}
.search-icon {
    position: absolute;
    left: 14px;
    font-size: 14px;
    color: var(--text-weak);
    pointer-events: none;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg);
}
.nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .3s ease;
}
.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Page Hero */
.page-hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    padding: 96px 0 72px;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.45) 100%);
}
.page-hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
}
.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 24px;
}
.breadcrumb a {
    color: rgba(255,255,255,0.7);
}
.breadcrumb a:hover {
    color: #fff;
}
.page-hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.25;
    letter-spacing: -1px;
    margin-bottom: 16px;
}
.page-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.8;
}
.hero-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.hero-tags .tag {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 6px 18px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.2);
}

/* 玩法分类卡片 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.guide-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: all .3s ease;
    overflow: hidden;
}
.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.guide-card .card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.card-icon.icon-blue {
    background: #EEF2FF;
}
.card-icon.icon-amber {
    background: #FEF3C7;
}
.card-icon.icon-green {
    background: #DCFCE7;
}
.guide-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}
.guide-card p {
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}
.guide-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}
.guide-card .card-link:hover {
    gap: 10px;
}
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
}
.badge-amber {
    background: var(--accent-light);
    color: #B45309;
}
.badge-green {
    background: #DCFCE7;
    color: #15803D;
}

/* 流程步骤 */
.steps-section {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    counter-reset: step;
}
.step-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius);
    background: var(--bg);
    border: 1px solid var(--border);
    position: relative;
    transition: all .3s ease;
}
.step-item:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}
.step-item::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    background: var(--bg-white);
    border: 2px solid var(--primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.step-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}
.step-item p {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.7;
}

/* 图文区块 */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.feature-media {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.feature-media img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    transition: transform .5s ease;
}
.feature-media:hover img {
    transform: scale(1.03);
}
.feature-content .tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.feature-content h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.feature-content p {
    color: var(--text-weak);
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}
.feature-list {
    list-style: none;
    margin-bottom: 24px;
}
.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text);
}
.feature-list li::before {
    content: "✓";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: #DCFCE7;
    color: #15803D;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 资讯列表 */
.post-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.post-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.post-card .post-cover {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.post-card .post-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.post-card .post-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-weak);
}
.post-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
}
.post-card p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    flex: 1;
}
.post-card .post-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.post-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

/* FAQ */
.faq-section {
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all .3s ease;
    background: var(--bg);
}
.faq-item:hover {
    border-color: var(--primary);
}
.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
}
.faq-question .faq-icon {
    font-size: 20px;
    color: var(--primary);
    transition: transform .3s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.8;
}
.faq-item.open .faq-answer {
    max-height: 300px;
}
.faq-answer p {
    padding: 0 24px 20px;
}

/* CTA */
.cta-section {
    padding: 80px 0;
}
.cta-box {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #9333EA 100%);
    border-radius: 28px;
    padding: 64px 48px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(79, 70, 229, 0.3);
}
.cta-box::after {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
}
.cta-box h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}
.cta-box p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    max-width: 500px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 2;
}
.cta-box .btn-white {
    background: #fff;
    color: var(--primary);
    position: relative;
    z-index: 2;
}
.cta-box .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}

/* Footer */
.site-footer {
    background: #0F172A;
    color: #94A3B8;
    padding: 72px 0 0;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo {
    margin-bottom: 16px;
}
.footer-brand .logo .logo-text {
    color: #fff;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #94A3B8;
}
.footer-links h4,
.footer-contact h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}
.footer-links a {
    display: block;
    color: #94A3B8;
    font-size: 14px;
    padding: 5px 0;
    transition: all .2s ease;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-contact p {
    font-size: 14px;
    color: #94A3B8;
    margin-bottom: 10px;
    line-height: 1.7;
}
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 14px;
    color: #64748B;
}

/* 响应式 */
@media (max-width: 1024px) {
    :root {
        --space-section: 72px;
    }
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .post-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .feature-media img {
        height: 300px;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }
    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 12px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0,0,0,0.06);
        transform: translateY(-110%);
        transition: transform .3s ease;
        z-index: 99;
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .main-nav .nav-link {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid var(--border);
        width: 100%;
    }
    .main-nav .nav-link.active::after {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .search-box input {
        width: 140px;
    }
    .search-box input:focus {
        width: 150px;
    }
    .header-cta {
        display: none;
    }
    .page-hero {
        padding: 72px 0 56px;
    }
    .page-hero h1 {
        font-size: 34px;
    }
    .page-hero p {
        font-size: 16px;
    }
    .section-head h2 {
        font-size: 28px;
    }
    .category-grid,
    .post-list {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .cta-box {
        padding: 48px 24px;
    }
    .cta-box h2 {
        font-size: 28px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 520px) {
    .search-box {
        display: none;
    }
    .header-inner {
        gap: 12px;
    }
    .logo-text {
        font-size: 17px;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .page-hero p {
        font-size: 15px;
    }
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    .section {
        padding: 56px 0;
    }
}