/* roulang page: index */
:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,.06);
  --shadow: 0 4px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,.14);
  --transition: .3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

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

ul, ol {
  list-style: none;
}

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

.section-padding {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: rgba(79,70,229,.08);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: .5px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-muted);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.header-top {
  border-bottom: 1px solid var(--border);
}

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

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

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(79,70,229,.3);
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -1px;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 0 8px 0 16px;
  height: 40px;
  width: 240px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
  background: var(--bg-white);
}

.search-box input {
  flex: 1;
  background: transparent;
  font-size: 14px;
  color: var(--text);
}

.search-box button {
  background: var(--primary);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.search-box button:hover {
  background: var(--primary-dark);
}

.header-nav {
  background: var(--dark);
}

.header-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-list a {
  display: block;
  color: rgba(255,255,255,.85);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 4px;
  position: relative;
  transition: color var(--transition);
}

.nav-list a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--accent-light);
  transition: width var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
  color: #fff;
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-cta a:hover {
  color: var(--accent-light);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,.28);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,70,229,.36);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}

.btn-outline:hover {
  background: #fff;
  color: var(--dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 44px;
  font-size: 17px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
  border-radius: 20px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.85) 0%, rgba(37,26,90,.75) 55%, rgba(6,182,212,.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 60px 24px;
}

.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
  padding: 6px 22px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
  color: rgba(255,255,255,.95);
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.16;
  margin-bottom: 18px;
  letter-spacing: -2px;
  text-shadow: 0 4px 20px rgba(0,0,0,.25);
}

.hero h1 .gradient-text {
  background: linear-gradient(90deg, var(--accent-light), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,.88);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto 36px;
}

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

.hero-meta {
  display: flex;
  gap: 28px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.8);
}

.hero-meta-item i {
  color: var(--accent-light);
  font-size: 18px;
}

/* ===== Stats ===== */
.stats {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 56px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.stats::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(79,70,229,.2);
  filter: blur(80px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  transition: background var(--transition), transform var(--transition);
}

.stat-item:hover {
  background: rgba(255,255,255,.08);
  transform: translateY(-4px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 20px;
  color: #fff;
}

.stat-number {
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-number sup {
  font-size: 20px;
  color: var(--accent-light);
  font-weight: 700;
}

.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,.65);
}

/* ===== Category Cards ===== */
.categories {
  background: var(--bg);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

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

.category-thumb {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

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

.category-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,.35), transparent 60%);
}

.category-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.category-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}

.category-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

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

.category-link i {
  transition: transform var(--transition);
}

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

/* ===== Latest News ===== */
.latest-news {
  background: var(--bg-white);
}

.news-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-item {
  padding: 28px 32px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.news-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.news-main {
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(79,70,229,.1);
  color: var(--primary);
}

.badge-accent {
  background: rgba(6,182,212,.1);
  color: #0891b2;
}

.news-time {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  line-height: 1.5;
}

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

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

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}

.read-more i {
  transition: transform var(--transition);
}

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

.empty-state {
  text-align: center;
  padding: 60px 32px;
  border-radius: var(--radius);
  border: 2px dashed var(--border);
  background: var(--bg);
}

.empty-state i {
  font-size: 40px;
  color: #cbd5e1;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 15px;
  color: var(--text-muted);
}

/* ===== Features ===== */
.features {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.features-visual {
  position: relative;
}

.features-visual .main-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.features-visual .float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 260px;
}

.float-card .float-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.float-card .float-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
}

.float-card .float-text span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
}

.features-content h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.features-content .lead {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-item .feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(79,70,229,.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.feature-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.process::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(6,182,212,.12);
  filter: blur(80px);
}

.process .section-tag {
  color: var(--accent-light);
  background: rgba(6,182,212,.12);
}

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

.process .section-header p {
  color: rgba(255,255,255,.6);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}

.process-item {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  transition: background var(--transition), transform var(--transition);
}

.process-item:hover {
  background: rgba(255,255,255,.07);
  transform: translateY(-4px);
}

.process-step {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.process-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(79,70,229,.3);
}

.process-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.process-item p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

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

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  user-select: none;
}

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

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
}

.faq-content {
  padding: 4px 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 100px 0;
  text-align: center;
  color: #fff;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,.88), rgba(37,26,90,.78));
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 38px;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-content p {
  font-size: 17px;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.65);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 22px;
}

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

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 280px;
}

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

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

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

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

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .hero h1 {
    font-size: 44px;
  }

  .section-header h2 {
    font-size: 30px;
  }

  .search-box {
    width: 180px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

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

@media screen and (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }

  .header-top .container {
    height: 64px;
  }

  .brand-text {
    font-size: 20px;
  }

  .search-box {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header-nav .container {
    flex-wrap: wrap;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--dark);
    padding: 8px 0;
  }

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

  .nav-list a {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,.05);
  }

  .nav-list a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 540px;
  }

  .hero h1 {
    font-size: 36px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .features-visual .main-img {
    height: 280px;
  }

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

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

  .cta-content h2 {
    font-size: 30px;
  }

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

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

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

  .hero h1 {
    font-size: 28px;
    letter-spacing: -1px;
  }

  .hero-desc {
    font-size: 14px;
  }

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

  .btn {
    width: 100%;
  }

  .stat-number {
    font-size: 30px;
  }

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

  .features-content h2 {
    font-size: 26px;
  }

  .process-item {
    padding: 20px 16px;
  }

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

  .brand-text {
    font-size: 18px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  --accent: #06b6d4;
  --gold: #f59e0b;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
  --shadow: 0 6px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 16px 40px rgba(15,23,42,0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol, dl, dt, dd { list-style: none; margin: 0; padding: 0; }
button, input { font-family: inherit; border: none; outline: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head .tagline { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 14px; font-weight: 600; letter-spacing: 1px; background: rgba(79,70,229,0.08); padding: 6px 16px; border-radius: 999px; margin-bottom: 14px; }
.section-head .tagline i { font-size: 13px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; color: var(--ink); line-height: 1.25; margin-bottom: 12px; }
.section-head p { color: var(--text-muted); font-size: 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 24px; border-radius: 999px; font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); line-height: 1.4; border: 2px solid transparent; }
.btn-sm { padding: 7px 18px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff !important; box-shadow: 0 6px 18px rgba(79,70,229,0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(79,70,229,0.36); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 6px 18px rgba(245,158,11,0.3); }
.btn-gold:hover { background: #d97706; transform: translateY(-2px); }
a.btn:focus, button:focus { outline: 3px solid rgba(79,70,229,0.35); outline-offset: 2px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 18px rgba(15,23,42,0.06); }
.header-top { background: var(--ink); color: #fff; }
.header-top .container { display: flex; align-items: center; justify-content: space-between; min-height: 62px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #fff !important; font-size: 20px; font-weight: 800; letter-spacing: 0.5px; }
.header-top .brand { font-size: 21px; }
.brand-icon { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 12px; color: #fff; font-size: 17px; box-shadow: 0 4px 12px rgba(79,70,229,0.35); }
.brand-text span { color: var(--accent); }
.header-right { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: rgba(255,255,255,0.1); border-radius: 999px; padding: 4px 6px 4px 16px; width: 260px; transition: var(--transition); }
.search-box:hover { background: rgba(255,255,255,0.16); }
.search-box:focus-within { box-shadow: 0 0 0 3px rgba(6,182,212,0.35); background: rgba(255,255,255,0.18); }
.search-box input { flex: 1; background: transparent; color: #fff; font-size: 14px; min-width: 0; }
.search-box input::placeholder { color: rgba(255,255,255,0.55); }
.search-box button { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-size: 13px; cursor: pointer; transition: var(--transition); }
.search-box button:hover { transform: scale(1.08); }
.header-nav { background: #fff; border-bottom: 1px solid var(--border); }
.header-nav .container { display: flex; align-items: center; gap: 20px; min-height: 56px; }
.nav-list { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-list > li > a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--ink-2); transition: var(--transition); }
.nav-list > li > a:hover { background: rgba(79,70,229,0.08); color: var(--primary); }
.nav-list > li > a.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(79,70,229,0.3); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta a { padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; transition: var(--transition); }
.nav-cta a:hover { background: rgba(15,23,42,0.06); color: var(--primary); }
.menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: var(--bg); color: var(--ink-2); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; }
.menu-toggle:hover { background: rgba(79,70,229,0.1); color: var(--primary); }

/* Category Hero */
.cat-hero { position: relative; background: linear-gradient(135deg, rgba(15,23,42,0.88), rgba(30,27,75,0.80)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 92px 0 84px; color: #fff; overflow: hidden; }
.cat-hero::after { content: ''; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(6,182,212,0.2), transparent 70%); }
.cat-hero .container { position: relative; z-index: 2; }
.cat-hero .crumb { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.1); padding: 6px 16px; border-radius: 999px; margin-bottom: 22px; backdrop-filter: blur(6px); }
.cat-hero .crumb a { color: rgba(255,255,255,0.75); }
.cat-hero .crumb a:hover { color: #fff; }
.cat-hero h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 900; line-height: 1.15; margin-bottom: 16px; text-shadow: 0 4px 18px rgba(0,0,0,0.35); }
.cat-hero h1 span { background: linear-gradient(90deg, #38bdf8, #818cf8, #f59e0b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cat-hero .lead { font-size: 18px; max-width: 620px; color: rgba(255,255,255,0.85); margin-bottom: 24px; line-height: 1.8; }
.cat-hero .hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.cat-hero .hero-tags .htag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; border-radius: 999px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); font-size: 13px; backdrop-filter: blur(4px); transition: var(--transition); }
.cat-hero .hero-tags .htag:hover { background: rgba(255,255,255,0.24); color: #fff; }
.cat-hero .hero-tags .htag i { color: var(--accent); }

/* Stats */
.stats-strip { background: #fff; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 28px 0; }
.stats-item { text-align: center; padding: 10px 8px; border-radius: var(--radius); transition: var(--transition); }
.stats-item:hover { background: var(--bg); transform: translateY(-2px); }
.stats-item .num { font-size: 32px; font-weight: 900; color: var(--ink); line-height: 1.2; }
.stats-item .num i { font-size: 24px; margin-right: 8px; color: var(--primary); }
.stats-item .label { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

/* News Grid */
.news-section { background: var(--bg); }
.news-grid-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(79,70,229,0.18); }
.news-card .cover { position: relative; height: 180px; overflow: hidden; }
.news-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .cover img { transform: scale(1.06); }
.news-card .cover .date-badge { position: absolute; top: 14px; left: 14px; background: rgba(15,23,42,0.72); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px); }
.news-card .cover .type-badge { position: absolute; bottom: 12px; right: 12px; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; box-shadow: 0 4px 10px rgba(79,70,229,0.35); }
.news-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.news-card .card-body h3 { font-size: 17px; font-weight: 700; color: var(--ink-2); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .card-body h3 a:hover { color: var(--primary); }
.news-card .card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .card-meta { display: flex; align-items: center; gap: 16px; padding-top: 12px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 13px; }
.news-card .card-meta i { color: var(--primary-light); }
.view-more-wrap { text-align: center; margin-top: 40px; }

/* Hot List */
.hot-section { background: linear-gradient(180deg, #fff 0%, var(--bg) 100%); }
.hot-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.hot-panel { background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; }
.hot-panel .hot-head { display: flex; align-items: center; gap: 12px; padding: 20px 24px; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, var(--ink), var(--ink-2)); color: #fff; }
.hot-panel .hot-head i { color: var(--gold); font-size: 20px; }
.hot-panel .hot-head h3 { font-size: 18px; font-weight: 800; }
.hot-panel .hot-head span { margin-left: auto; font-size: 13px; color: rgba(255,255,255,0.6); }
.hot-list { padding: 8px 24px 16px; }
.hot-item { display: flex; align-items: center; gap: 16px; padding: 15px 0; border-bottom: 1px dashed var(--border); transition: var(--transition); }
.hot-item:last-child { border-bottom: none; }
.hot-item:hover { padding-left: 6px; }
.hot-item .index { width: 28px; height: 28px; border-radius: 8px; background: var(--bg); color: var(--primary); font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hot-item:nth-child(-n+3) .index { background: linear-gradient(135deg, var(--gold), #f97316); color: #fff; box-shadow: 0 4px 10px rgba(245,158,11,0.3); }
.hot-item .hot-info { flex: 1; min-width: 0; }
.hot-item .hot-info h4 { font-size: 15px; font-weight: 600; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hot-item .hot-info p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.hot-item .hot-more { color: var(--text-muted); font-size: 13px; flex-shrink: 0; }
.hot-item:hover .hot-more { color: var(--primary); }
.hot-focus { background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,27,75,0.84)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; border-radius: var(--radius-lg); color: #fff; padding: 36px 30px; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.hot-focus::after { content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(6,182,212,0.28), transparent 70%); right: -60px; top: -60px; }
.hot-focus .tag-line { display: inline-block; background: rgba(6,182,212,0.25); color: #67e8f9; font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 999px; letter-spacing: 1px; }
.hot-focus h3 { font-size: 26px; font-weight: 800; margin: 16px 0 12px; line-height: 1.4; }
.hot-focus p { color: rgba(255,255,255,0.8); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.hot-focus .focus-meta { display: flex; gap: 16px; font-size: 13px; color: rgba(255,255,255,0.6); }

/* Topic Cards */
.topic-section { background: var(--bg); }
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.topic-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 260px; display: flex; align-items: flex-end; box-shadow: var(--shadow-sm); transition: var(--transition); cursor: pointer; }
.topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.topic-card:hover img { transform: scale(1.08); }
.topic-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,23,42,0.05) 0%, rgba(15,23,42,0.82) 100%); z-index: 1; transition: var(--transition); }
.topic-card:hover::before { background: linear-gradient(180deg, rgba(15,23,42,0.03) 0%, rgba(15,23,42,0.72) 100%); }
.topic-card .topic-body { position: relative; z-index: 2; padding: 24px; width: 100%; color: #fff; }
.topic-card .topic-body .topic-tag { display: inline-block; background: rgba(79,70,229,0.85); color: #fff; font-size: 12px; padding: 3px 12px; border-radius: 999px; margin-bottom: 10px; }
.topic-card .topic-body h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.topic-card .topic-body p { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 12px; }
.topic-card .topic-body a { color: #fff; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.topic-card .topic-body a:hover { color: #67e8f9; }

/* FAQ */
.faq-section { background: #fff; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(79,70,229,0.25); box-shadow: var(--shadow-sm); }
.faq-item summary { display: flex; align-items: center; gap: 14px; padding: 18px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--ink-2); list-style: none; transition: var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--primary); width: 22px; text-align: center; font-size: 16px; }
.faq-item summary .toggle-icon { margin-left: auto; color: var(--text-muted); transition: transform 0.3s ease; font-size: 13px; }
.faq-item[open] summary .toggle-icon { transform: rotate(180deg); color: var(--primary); }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item .faq-a { padding: 16px 24px 20px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-item .faq-a strong { color: var(--ink-2); }

/* CTA */
.cta-section { position: relative; background: linear-gradient(120deg, rgba(79,70,229,0.92), rgba(6,182,212,0.86)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; color: #fff; padding: 80px 0; text-align: center; }
.cta-box { max-width: 700px; margin: 0 auto; }
.cta-box i { font-size: 42px; color: rgba(255,255,255,0.9); margin-bottom: 18px; display: inline-block; }
.cta-box h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 900; margin-bottom: 14px; }
.cta-box p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 30px; line-height: 1.8; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-actions .btn { background: #fff; color: var(--primary) !important; box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.cta-actions .btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.22); }
.cta-actions .btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.7); }
.cta-actions .btn-outline-light:hover { background: rgba(255,255,255,0.12); }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.site-footer .brand { margin-bottom: 14px; }
.footer-desc { font-size: 14px; line-height: 1.8; margin-top: 14px; color: rgba(255,255,255,0.6); max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 3px; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 14px; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-links a i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; color: rgba(255,255,255,0.4); font-size: 13px; flex-wrap: wrap; gap: 8px; }

/* Responsive */
@media (max-width: 1024px) {
  .news-grid-row { grid-template-columns: repeat(2, 1fr); }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hot-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .header-top .container { min-height: 56px; }
  .header-top .search-box { display: none; }
  .header-top .btn-sm { padding: 6px 16px; font-size: 13px; }
  .header-nav .container { flex-wrap: wrap; min-height: 52px; }
  .nav-list { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 4px; padding: 12px 0; }
  .nav-list.open { display: flex; }
  .nav-list > li > a { display: flex; justify-content: center; }
  .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .cat-hero { padding: 60px 0 56px; }
  .cat-hero h1 { font-size: 34px; }
  .cat-hero .lead { font-size: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-grid-row { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { flex-direction: row; flex-wrap: wrap; }
  .footer-bottom span { font-size: 12px; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .news-card .cover { height: 200px; }
  .hot-item .hot-info p { display: none; }
  .hot-focus h3 { font-size: 22px; }
  .cta-actions .btn { width: 100%; }
  .cta-section { padding: 60px 0; }
}

/* roulang page: article */
:root {
    --primary: #6d28d9;
    --primary-dark: #5b21b6;
    --primary-light: #8b5cf6;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --bg: #f5f6fa;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.15);
    --space-section: 80px;
    --space-section-mobile: 50px;
    --transition: 0.3s ease;
}

*, *::before, *::after { 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(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(109, 40, 217, 0.3); outline-offset: 2px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border-radius: 10px; font-weight: 600; font-size: 15px;
    border: 2px solid transparent; cursor: pointer; transition: all var(--transition);
    line-height: 1.4; margin: 0;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(109, 40, 217, 0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(109, 40, 217, 0.4); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 4px 14px rgba(0,0,0,0.12); }
.btn-light:hover { background: #f1f5f9; transform: translateY(-2px); color: var(--primary-dark); }
.btn-sm { padding: 8px 18px; font-size: 14px; border-radius: 8px; }
.btn-block { width: 100%; }

/* 头部导航 */
.site-header {
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px rgba(15, 23, 42, 0.05);
    position: sticky; top: 0; z-index: 1000;
}
.header-top { padding: 16px 0; border-bottom: 1px solid rgba(226, 232, 240, 0.6); }
.header-top .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; box-shadow: 0 4px 14px rgba(109, 40, 217, 0.35);
}
.brand-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text); }
.brand-text span { color: var(--primary); }
.header-right { display: flex; align-items: center; gap: 16px; }
.search-box { display: flex; align-items: center; background: var(--bg); border-radius: 40px; padding: 4px 6px 4px 18px; border: 1px solid var(--border); transition: all var(--transition); width: 260px; }
.search-box:focus-within { box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.15); border-color: var(--primary-light); }
.search-box input { border: none; background: transparent; flex: 1; font-size: 14px; outline: none; color: var(--text); }
.search-box button { width: 36px; height: 36px; border-radius: 50%; background: var(--primary); color: #fff; border: none; cursor: pointer; font-size: 13px; transition: background var(--transition); }
.search-box button:hover { background: var(--primary-dark); }

.header-nav { background: #fff; }
.header-nav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav-list { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-list li { margin: 0; }
.nav-list a {
    display: inline-block; padding: 14px 18px; font-weight: 600; font-size: 15px;
    color: var(--text-light); border-bottom: 3px solid transparent; transition: all var(--transition);
}
.nav-list a:hover { color: var(--primary); border-bottom-color: var(--primary-light); }
.nav-list a.active { color: var(--primary); border-bottom-color: var(--primary); }
.nav-cta { display: flex; gap: 18px; align-items: center; }
.nav-cta a { font-size: 14px; font-weight: 600; color: var(--text-light); transition: color var(--transition); }
.nav-cta a:hover { color: var(--primary); }
.nav-cta i { color: var(--accent); margin-right: 4px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; width: 40px; height: 40px; font-size: 18px; color: var(--text); cursor: pointer; }

/* 页面横幅 */
.page-banner {
    position: relative; padding: 64px 0 56px;
    background-size: cover; background-position: center;
    color: #fff; text-align: center;
}
.page-banner::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.78), rgba(15,23,42,0.88));
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .breadcrumb { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 14px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.page-banner .breadcrumb a { color: rgba(255,255,255,0.75); }
.page-banner .breadcrumb a:hover { color: #fff; }
.page-banner .breadcrumb-sep { opacity: 0.5; }
.page-banner .breadcrumb-current { color: #fff; font-weight: 600; }
.page-banner h1 { font-size: 38px; font-weight: 800; margin: 0 auto 12px; max-width: 800px; line-height: 1.35; letter-spacing: -0.5px; }
.page-banner .banner-sub { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 620px; margin: 0 auto; }

/* 文章主体 */
.article-section { padding: 70px 0; background: var(--bg); }
.article-section .grid-x { align-items: flex-start; }
.article-card {
    background: #fff; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow); border: 1px solid var(--border); margin-bottom: 24px;
}
.article-header { padding: 32px 34px 0; }
.article-meta-bar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 20px; }
.article-meta-item { font-size: 14px; color: var(--text-light); display: inline-flex; align-items: center; gap: 6px; }
.article-meta-item i { color: var(--primary); }
.article-category-badge { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 30px; }
.article-cover { padding: 0 34px; }
.article-cover img { width: 100%; border-radius: var(--radius); aspect-ratio: 16/7; object-fit: cover; }
.article-body { padding: 28px 34px 36px; }
.article-content { font-size: 16px; line-height: 2; color: var(--text); }
.article-content p { margin-bottom: 1.4em; }
.article-content h2, .article-content h3 { color: var(--text); margin-top: 1.6em; margin-bottom: 0.7em; font-weight: 700; }
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content img { border-radius: var(--radius); margin: 20px 0; }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--bg); padding: 14px 20px; border-radius: 0 10px 10px 0; margin: 20px 0; color: var(--text-light); }
.article-content ul, .article-content ol { padding-left: 22px; margin-bottom: 1.4em; }
.article-content li { margin-bottom: 8px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--border); }
.tags-label { font-weight: 600; color: var(--text); font-size: 15px; }
.tag-item {
    display: inline-block; background: var(--bg); border: 1px solid var(--border);
    padding: 5px 14px; border-radius: 30px; font-size: 13px; color: var(--text-light);
    transition: all var(--transition);
}
.tag-item:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.not-found { text-align: center; padding: 70px 40px; }
.not-found-icon { width: 80px; height: 80px; border-radius: 50%; background: #fef3c7; display: inline-flex; align-items: center; justify-content: center; font-size: 36px; color: #d97706; margin-bottom: 20px; }
.not-found h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.not-found p { color: var(--text-light); font-size: 16px; margin-bottom: 24px; }

/* 侧边栏 */
.sidebar-card {
    background: #fff; border-radius: var(--radius-lg); padding: 28px;
    box-shadow: var(--shadow); border: 1px solid var(--border); margin-bottom: 24px;
}
.sidebar-title {
    font-size: 18px; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
    padding-bottom: 14px; border-bottom: 2px solid var(--border); position: relative;
}
.sidebar-title::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 46px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.sidebar-title i { color: var(--primary); }
.sidebar-cats { list-style: none; padding: 0; margin: 0; }
.sidebar-cats li { margin-bottom: 8px; }
.sidebar-cats a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; border-radius: 12px; background: var(--bg);
    color: var(--text); font-weight: 600; font-size: 15px;
    transition: all var(--transition); border: 1px solid transparent;
}
.sidebar-cats a:hover { background: var(--primary); color: #fff; transform: translateX(4px); box-shadow: 0 6px 18px rgba(109, 40, 217, 0.3); }
.sidebar-cats i { font-size: 13px; opacity: 0.7; }
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { border-bottom: 1px dashed var(--border); padding: 14px 0; }
.sidebar-list li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-list a { display: block; transition: all var(--transition); }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list-title { display: block; font-size: 15px; font-weight: 600; margin-bottom: 4px; line-height: 1.6; }
.sidebar-list-meta { font-size: 13px; color: var(--text-muted); }
.service-card { text-align: center; background: linear-gradient(160deg, var(--bg-dark), #1e293b); border-color: transparent; color: #fff; }
.service-card-icon { width: 60px; height: 60px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), var(--secondary)); display: flex; align-items: center; justify-content: center; font-size: 26px; margin: 0 auto 16px; box-shadow: 0 8px 24px rgba(109, 40, 217, 0.4); }
.service-card-title { font-size: 20px; font-weight: 800; margin-bottom: 10px; }
.service-card-desc { font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 20px; line-height: 1.8; }

/* 延伸阅读 */
.related-section { padding: var(--space-section) 0; background: #fff; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-tag {
    display: inline-block; background: rgba(109, 40, 217, 0.1); color: var(--primary);
    font-size: 13px; font-weight: 700; padding: 4px 18px; border-radius: 30px;
    margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px;
}
.section-head h2 { font-size: 34px; font-weight: 800; margin: 0 0 10px; letter-spacing: -0.5px; color: var(--text); }
.section-head p { font-size: 16px; color: var(--text-light); max-width: 600px; margin: 0 auto; }
.related-card {
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
    overflow: hidden; display: block; height: 100%;
    transition: all var(--transition);
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-thumb { overflow: hidden; }
.related-thumb img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform 0.6s ease; }
.related-card:hover .related-thumb img { transform: scale(1.06); }
.related-body { padding: 22px 24px 26px; }
.related-body h4 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-body h4:hover { color: var(--primary); }
.related-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.related-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); }
.related-meta span { display: inline-flex; align-items: center; gap: 6px; }
.related-meta i { color: var(--primary); }

/* 关于平台 */
.about-section { padding: var(--space-section) 0; background: var(--bg); }
.about-content { padding: 20px 30px 20px 0; }
.about-content h2 { font-size: 32px; font-weight: 800; margin-bottom: 18px; line-height: 1.4; letter-spacing: -0.5px; }
.about-content p { font-size: 16px; color: var(--text-light); line-height: 1.9; margin-bottom: 24px; }
.about-points { list-style: none; padding: 0; margin: 0 0 28px; }
.about-points li { display: flex; align-items: center; gap: 12px; padding: 10px 0; font-size: 15px; font-weight: 500; }
.about-points li i { color: var(--primary); font-size: 20px; }
.about-stats { display: flex; gap: 30px; margin-top: 12px; }
.about-stat { text-align: center; }
.about-stat-value { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.about-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.about-visual { position: relative; }
.about-visual img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 1/1; object-fit: cover; }

/* FAQ */
.faq-section { padding: var(--space-section) 0; background: #fff; }
.faq-grid .cell { margin-bottom: 20px; }
.faq-item {
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 26px 28px; height: 100%; transition: all var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); border-color: var(--primary-light); }
.faq-item h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.faq-item h4::before { content: 'Q'; width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #fff; font-size: 14px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.faq-item p { font-size: 15px; color: var(--text-light); line-height: 1.8; margin: 0; padding-left: 38px; }

/* CTA */
.cta-section {
    position: relative; padding: 80px 0;
    background: url('/assets/images/backpic/back-1.png') center/cover fixed;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(109,40,217,0.9), rgba(15,23,42,0.92)); }
.cta-section .container { position: relative; z-index: 1; text-align: center; }
.cta-inner { max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: -0.5px; }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* 页脚 */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-grid {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text span { color: var(--primary-light); }
.footer-brand .brand-icon { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-top: 16px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 3px; border-radius: 3px; background: var(--primary); }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer-links a:hover { color: var(--primary-light); padding-left: 6px; }
.footer-links i { margin-right: 6px; width: 18px; text-align: center; }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
    padding: 22px 0; font-size: 13px; color: rgba(255,255,255,0.4);
}

/* 响应式 */
@media screen and (max-width: 1024px) {
    :root { --space-section: 60px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .article-header, .article-cover, .article-body { padding-left: 26px; padding-right: 26px; }
}
@media screen and (max-width: 768px) {
    :root { --space-section: 50px; }
    .header-top .container { flex-direction: row; }
    .search-box { width: 190px; }
    .header-nav .container { flex-wrap: wrap; padding: 10px 24px; }
    .nav-list { display: none; flex-direction: column; width: 100%; gap: 0; }
    .nav-list.open { display: flex; }
    .nav-list a { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); border-bottom-color: var(--border); text-align: left; }
    .nav-list a.active { border-bottom-color: var(--primary); }
    .nav-cta { display: none; width: 100%; padding: 10px 0; flex-direction: column; align-items: flex-start; gap: 10px; }
    .nav-cta.open { display: flex; }
    .menu-toggle { display: block; margin-left: auto; }
    .page-banner { padding: 50px 0 44px; }
    .page-banner h1 { font-size: 28px; }
    .article-section { padding: 40px 0; }
    .article-body { padding: 22px 20px 28px; }
    .article-header, .article-cover { padding-left: 20px; padding-right: 20px; }
    .section-head h2, .about-content h2 { font-size: 26px; }
    .cta-inner h2 { font-size: 28px; }
    .about-content { padding: 0; }
    .about-visual { margin-top: 30px; }
    .cta-section { background-attachment: scroll; }
}
@media screen and (max-width: 520px) {
    .container { padding: 0 18px; }
    .header-top { padding: 12px 0; }
    .brand-text { font-size: 19px; }
    .brand-icon { width: 38px; height: 38px; font-size: 17px; border-radius: 10px; }
    .search-box { width: 150px; }
    .search-box input { font-size: 13px; }
    .header-right .btn-sm { display: none; }
    .page-banner h1 { font-size: 24px; }
    .page-banner .banner-sub { font-size: 14px; }
    .article-meta-bar { gap: 10px; }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 20px; }
    .article-content h3 { font-size: 18px; }
    .faq-item { padding: 20px; }
    .faq-item p { padding-left: 0; }
    .faq-item h4::before { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-buttons .btn { width: 100%; }
    .about-stats { gap: 20px; }
    .about-stat-value { font-size: 26px; }
}

/* roulang page: category2 */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg: #f8fafc;
  --bg-alt: #ffffff;
  --bg-dark: #0f172a;
  --bg-soft: #eef2ff;
  --text: #1e293b;
  --text-weak: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

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

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

button, input {
  font-family: inherit;
}

.container, .grid-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.grid-container {
  position: relative;
}

/* ===== Header 品牌行 ===== */
.site-header {
  background: var(--bg-alt);
  box-shadow: 0 2px 20px rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-top {
  border-bottom: 1px solid var(--border);
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon {
  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: 20px;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  white-space: nowrap;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 4px 4px 18px;
  width: 260px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
  background: var(--bg-alt);
}

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

.search-box input::placeholder {
  color: var(--text-light);
}

.search-box button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--primary-dark);
}

/* ===== Header 频道行 ===== */
.header-nav {
  background: var(--bg-alt);
}

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

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.nav-list li a {
  display: inline-flex;
  align-items: center;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-weak);
  border-radius: 8px;
  white-space: nowrap;
  position: relative;
  transition: var(--transition);
}

.nav-list li a i {
  margin-right: 6px;
  color: var(--primary-light);
  transition: var(--transition);
}

.nav-list li a:hover {
  color: var(--primary);
  background: var(--bg-soft);
}

.nav-list li a.active {
  color: var(--primary);
}

.nav-list li a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 3px;
  border-radius: 99px;
  background: var(--accent);
}

.nav-list li a.active i {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.nav-cta a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.menu-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== 页面 Banner ===== */
.page-hero {
  position: relative;
  padding: 96px 0 72px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.86), rgba(79, 70, 229, 0.72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
}

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

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  backdrop-filter: blur(8px);
}

.page-hero h1 {
  font-size: 52px;
  line-height: 1.15;
  font-weight: 800;
  margin: 22px 0 16px;
  letter-spacing: -1px;
}

.page-hero h1 span {
  background: linear-gradient(120deg, #fff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin: 0 auto;
}

.page-hero-breadcrumb {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.page-hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

.page-hero-breadcrumb a:hover {
  color: #fff;
}

.page-hero-breadcrumb .divider {
  opacity: 0.5;
}

.hero-stats-strip {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.hero-stats-strip .stat-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 14px 28px;
  margin: 0 6px;
  min-width: 120px;
}

.hero-stats-strip .stat-num {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stats-strip .stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 分类 Tabs ===== */
.section-tabs {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 118px;
  z-index: 50;
}

.section-tabs .container {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-top: 10px;
  padding-bottom: 10px;
}

.section-tabs .container::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
}

.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.3);
}

/* ===== 攻略卡片 ===== */
.section-guides {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--bg-soft);
  border: 1px solid rgba(79, 70, 229, 0.15);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 36px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.guide-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.25);
}

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

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

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

.guide-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.5));
}

.guide-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.guide-views {
  position: absolute;
  bottom: 14px;
  left: 16px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.guide-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.guide-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.guide-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.guide-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 12px;
  transition: var(--transition);
}

.guide-card-title a:hover {
  color: var(--primary);
}

.guide-card-desc {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}

.guide-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.guide-card-footer .author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-weak);
}

.guide-card-footer .author i {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.guide-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.guide-more:hover {
  color: var(--primary-dark);
  gap: 10px;
}

/* ===== 观赛流程 ===== */
.section-process {
  background: var(--bg-dark);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.section-process::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.18;
}

.section-process .container {
  position: relative;
  z-index: 2;
}

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

.section-process .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.process-step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
}

.step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
}

.step-icon {
  font-size: 26px;
  margin-bottom: 12px;
  color: var(--accent);
}

.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin: 0;
}

/* ===== 数据统计 ===== */
.section-stats {
  padding: 80px 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-alt));
  border: 1px solid rgba(79, 70, 229, 0.1);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(79, 70, 229, 0.2);
}

.stat-card i {
  font-size: 34px;
  color: var(--primary);
  margin-bottom: 16px;
}

.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 15px;
  color: var(--text-weak);
  margin-top: 6px;
  font-weight: 600;
}

/* ===== 热门赛事 ===== */
.section-events {
  padding: 80px 0;
  background: var(--bg);
}

.events-list {
  max-width: 860px;
  margin: 0 auto;
}

.event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 26px;
  margin-bottom: 14px;
  transition: var(--transition);
  gap: 16px;
}

.event-row:hover {
  border-color: rgba(79, 70, 229, 0.25);
  box-shadow: var(--shadow);
  transform: translateX(6px);
}

.event-info {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.event-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--bg-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.event-info h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
}

.event-info p {
  font-size: 14px;
  color: var(--text-weak);
  margin: 0;
}

.event-tag {
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ===== FAQ ===== */
.section-faq {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

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

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

.faq-item:hover {
  border-color: rgba(79, 70, 229, 0.25);
}

.faq-item.open {
  background: var(--bg-alt);
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

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

.faq-question i {
  font-size: 18px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 26px 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-weak);
}

/* ===== CTA ===== */
.section-cta {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.section-cta::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

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

.cta-icon {
  font-size: 56px;
  margin-bottom: 20px;
  display: inline-block;
  color: var(--accent);
}

.section-cta h2 {
  font-size: 36px;
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.5px;
}

.section-cta p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
  margin: 0 auto 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: 999px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(79, 70, 229, 0.4);
}

.btn-lg {
  padding: 15px 38px;
  font-size: 16px;
}

.btn-white {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn-white:hover {
  background: var(--bg-soft);
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand .brand-text span {
  color: var(--primary-light);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
  margin: 18px 0 0;
  max-width: 320px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  border-radius: 99px;
  background: var(--primary-light);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-links a i {
  color: var(--primary-light);
  width: 18px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 按钮通用状态 ===== */
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.35);
  outline-offset: 2px;
}

/* ===== Foundation 自定义覆盖 ===== */
.grid-margin-x {
  margin-left: -12px;
  margin-right: -12px;
}

.grid-margin-x > .cell {
  margin-left: 12px;
  margin-right: 12px;
  padding: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  border-radius: 999px;
  transition: var(--transition);
  margin: 0;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .search-box {
    width: 200px;
  }
}

@media screen and (max-width: 768px) {
  .header-top .container {
    min-height: 68px;
  }

  .header-right .search-box {
    display: none;
  }

  .header-nav .container {
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .nav-list {
    width: 100%;
    order: 2;
    padding-bottom: 4px;
  }

  .nav-list li a {
    padding: 10px 14px;
    font-size: 14px;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
  }

  .section-tabs {
    top: 0;
  }

  .page-hero {
    padding: 72px 0 56px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

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

  .hero-stats-strip .stat-item {
    min-width: 100px;
    padding: 10px 16px;
  }

  .section-guides,
  .section-stats,
  .section-events,
  .section-faq {
    padding: 56px 0;
  }

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

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .event-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 18px;
  }

  .event-tag {
    align-self: flex-start;
  }

  .section-cta {
    padding: 64px 0;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 28px;
  }

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

@media screen and (max-width: 520px) {
  .container, .grid-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-text {
    font-size: 20px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .header-right .btn-sm {
    display: none;
  }

  .page-hero {
    padding: 56px 0 44px;
  }

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

  .hero-stats-strip {
    gap: 8px;
  }

  .hero-stats-strip .stat-item {
    min-width: 88px;
    padding: 8px 12px;
  }

  .hero-stats-strip .stat-num {
    font-size: 20px;
  }

  .hero-stats-strip .stat-label {
    font-size: 12px;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 28px 16px;
  }

  .stat-num {
    font-size: 36px;
  }

  .guide-card-body {
    padding: 18px;
  }

  .event-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .faq-question {
    padding: 18px;
    font-size: 15px;
  }

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

/* roulang page: category3 */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #eef2ff;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin: 0 0 16px;
            font-weight: 700;
            color: var(--text);
        }
        p {
            margin: 0 0 16px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .grid-x.grid-margin-x {
            margin-left: -14px;
            margin-right: -14px;
        }
        .grid-x.grid-margin-x>.cell {
            padding-left: 14px;
            padding-right: 14px;
        }
        .section {
            padding: 96px 0;
        }
        .section-head {
            max-width: 720px;
            margin: 0 auto 56px;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-tag i {
            font-size: 12px;
        }
        .section-head h2 {
            font-size: clamp(28px, 4vw, 38px);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn i {
            font-size: 14px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(6px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 22px;
            font-size: 14px;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(99, 102, 241, 0.4);
            outline-offset: 2px;
        }
        /* Header */
        .site-header {
            background: var(--surface);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
        }
        .header-top {
            border-bottom: 1px solid var(--border);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 14px rgba(99, 102, 241, 0.3);
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--primary);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 6px 0 18px;
            height: 42px;
            width: 260px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
            background: #fff;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            flex: 1;
            font-size: 14px;
            color: var(--text);
            font-family: inherit;
        }
        .search-box input::placeholder {
            color: var(--text-lighter);
        }
        .search-box button {
            border: none;
            background: var(--primary);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 13px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-box button:hover {
            background: var(--primary-dark);
        }
        .header-nav {
            background: #fff;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 56px;
            gap: 20px;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list li a {
            display: block;
            padding: 8px 20px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
        }
        .nav-list li a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
        }
        .nav-list li a.active:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-cta a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav-cta a:hover {
            color: var(--primary);
        }
        .nav-cta a i {
            color: var(--accent);
        }
        .menu-toggle {
            display: none;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            color: var(--text);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        /* Hero */
        .hero {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(79, 70, 229, 0.82) 55%, rgba(245, 158, 11, 0.65) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 120px 0 100px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 8px 22px;
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(8px);
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            color: #fff;
            font-size: clamp(38px, 6vw, 56px);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 32px;
        }
        .stat strong {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        /* Evaluation Section */
        .eval-section {
            background: var(--bg);
        }
        .eval-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .eval-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .eval-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(99, 102, 241, 0.2);
        }
        .eval-card:hover::before {
            opacity: 1;
        }
        .eval-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .eval-card:hover .eval-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .eval-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .eval-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .eval-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 40px;
            font-weight: 800;
            color: rgba(15, 23, 42, 0.04);
            line-height: 1;
        }
        /* Types Section */
        .types-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .type-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .type-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .type-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .type-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .type-card:hover .type-image img {
            transform: scale(1.06);
        }
        .type-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.35));
        }
        .type-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .type-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .type-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .type-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.8;
            flex: 1;
            margin-bottom: 16px;
        }
        .type-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .tag.tag-accent {
            background: var(--accent-light);
            color: #b45309;
        }
        /* Compare Section */
        .compare-section {
            background: var(--bg);
        }
        .compare-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .compare-card.featured {
            border: 2px solid var(--primary);
            box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
        }
        .compare-card.featured .compare-label {
            background: var(--primary);
            color: #fff;
        }
        .compare-label {
            position: absolute;
            top: -14px;
            left: 28px;
            background: var(--dark-2);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
        }
        .compare-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .compare-sub {
            color: var(--text-light);
            font-size: 13px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 16px;
        }
        .compare-features {
            margin: 0 0 24px;
        }
        .compare-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
            padding: 8px 0;
            line-height: 1.6;
        }
        .compare-features li i {
            color: var(--primary);
            margin-top: 3px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .compare-audience {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            font-size: 13px;
            color: var(--text-light);
            border: 1px solid var(--border);
        }
        .compare-audience strong {
            color: var(--text);
            display: block;
            margin-bottom: 2px;
            font-size: 14px;
        }
        /* Steps */
        .steps-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1e1b4b 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .steps-section .section-head h2 {
            color: #fff;
        }
        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }
        .steps-section .section-tag {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .step-item {
            text-align: center;
            padding: 36px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }
        .step-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        .step-item h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }
        .step-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* FAQ */
        .faq-section {
            background: var(--surface);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            font-size: 14px;
        }
        .faq-item.active .faq-question {
            color: var(--primary);
            border-bottom: 1px solid var(--border);
            background: #fff;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            display: none;
            padding: 18px 24px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            background: #fff;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(99, 102, 241, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
        }
        .cta-box {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }
        .cta-box h2 {
            color: #fff;
            font-size: clamp(30px, 4vw, 42px);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: var(--text-lighter);
            padding: 64px 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
            background-size: 200% 100%;
            animation: gradientMove 6s linear infinite;
        }
        @keyframes gradientMove {
            0% {
                background-position: 0% 50%;
            }
            100% {
                background-position: 200% 50%;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand .brand-text span {
            color: var(--accent);
        }
        .footer-desc {
            color: var(--text-lighter);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-lighter);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links a i {
            color: var(--accent);
            font-size: 14px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 0;
            font-size: 13px;
            color: var(--text-lighter);
            flex-wrap: wrap;
            gap: 8px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .search-box {
                width: 200px;
            }
            .hero {
                padding: 100px 0 80px;
            }
        }
        @media (max-width: 768px) {
            .header-top .container {
                min-height: 64px;
            }
            .header-right .search-box {
                display: none;
            }
            .header-nav .container {
                min-height: 52px;
                justify-content: space-between;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 116px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                box-shadow: 0 30px 40px rgba(15, 23, 42, 0.12);
                border-top: 1px solid var(--border);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 20px;
                border-radius: 12px;
                font-size: 16px;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                padding: 80px 0 64px;
                text-align: center;
            }
            .hero-inner {
                margin: 0 auto;
            }
            .hero-sub {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
                gap: 28px;
            }
            .stat strong {
                font-size: 26px;
            }
            .section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .eval-card,
            .compare-card {
                margin-bottom: 16px;
            }
            .cta-section {
                padding: 64px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .header-top .container {
                gap: 8px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
                border-radius: 10px;
            }
            .header-right .btn-sm {
                padding: 6px 16px;
                font-size: 13px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
                flex-direction: column;
                align-items: center;
            }
            .stat strong {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .type-image {
                height: 170px;
            }
            .compare-card {
                padding: 28px 20px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 16px 18px;
            }
        }