/* roulang page: index */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --dark-bg: #0f172a;
  --dark-bg-light: #1e293b;
  --light-bg: #f1f5f9;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--light-bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { line-height: 1.3; margin: 0 0 12px; font-weight: 700; color: var(--text); }
p { margin: 0 0 16px; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-tag {
  display: inline-block;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { font-size: 34px; margin-bottom: 12px; }
.section-head p { color: var(--text-light); font-size: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  outline: none;
}
.btn:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff !important; box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.7); color: #fff !important; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary) !important; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15); }
.btn-light:hover { background: var(--light-bg); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.badge, .tag {
  display: inline-block;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.tag-accent { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.tag-green { background: rgba(16, 185, 129, 0.1); color: #047857; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}
.brand-text { font-size: 18px; font-weight: 800; letter-spacing: 0.02em; color: var(--text); }
.brand-text span { color: var(--primary); }
.brand-sub { display: block; font-size: 10px; font-weight: 500; color: var(--text-light); letter-spacing: 0.12em; margin-top: -2px; }
.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav a {
  display: block;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.main-nav a:hover { background: rgba(79, 70, 229, 0.06); color: var(--primary); }
.main-nav li.active a { background: var(--primary); color: #fff !important; box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
  background: var(--dark-bg);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.72) 0%, rgba(55, 48, 163, 0.4) 60%, rgba(245, 158, 11, 0.2) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; padding: 100px 24px; max-width: 900px; }
.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 22px;
  border-radius: 999px;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}
.hero h1 {
  font-size: 54px;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-stat { padding: 8px 24px; }
.hero-stat .num { font-size: 32px; font-weight: 800; color: #fff; display: block; }
.hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, 0.75); letter-spacing: 0.06em; margin-top: 4px; }
.hero-stat .num i { font-size: 24px; color: var(--accent); margin-right: 6px; }
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.5);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-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);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.about-card:hover::before { opacity: 1; }
.about-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.about-card h3 { font-size: 18px; margin-bottom: 10px; }
.about-card p { color: var(--text-light); font-size: 14px; margin-bottom: 0; }
.category-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226, 232, 240, 0.5);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-media { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.category-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .category-media img { transform: scale(1.06); }
.category-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.35), transparent 60%);
}
.category-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.category-body .tag { align-self: flex-start; margin-bottom: 12px; }
.category-body h3 { font-size: 20px; margin-bottom: 8px; }
.category-body p { color: var(--text-light); font-size: 14px; flex: 1; margin-bottom: 16px; }
.category-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.category-link i { transition: transform 0.3s ease; }
.category-link:hover i { transform: translateX(4px); }
.news-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  display: flex;
  gap: 24px;
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 24px 28px;
  border: 1px solid rgba(226, 232, 240, 0.6);
  transition: var(--transition);
}
.news-item:hover { box-shadow: var(--shadow); border-color: var(--border); background: #fff; }
.news-date {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}
.news-date .d { font-size: 24px; line-height: 1; }
.news-date .m { font-size: 12px; opacity: 0.8; margin-top: 4px; }
.news-body { flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.news-time { font-size: 13px; color: var(--text-light); }
.news-body h3 { font-size: 18px; margin-bottom: 6px; }
.news-body h3 a { color: var(--text); }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { color: var(--text-light); font-size: 14px; margin-bottom: 10px; }
.read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.read-more:hover i { transform: translateX(4px); }
.read-more i { transition: transform 0.3s ease; }
.empty-tip {
  background: var(--light-bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  padding: 60px;
  text-align: center;
  color: var(--text-light);
  font-size: 16px;
}
.stats-band {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #312e81 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 60%);
  top: -200px; right: -200px;
}
.stats-band::after {
  content: "";
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.2), transparent 60%);
  bottom: -160px; left: -120px;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; z-index: 1; }
.stat-item { text-align: center; padding: 20px; }
.stat-item .number { font-size: 44px; font-weight: 800; color: #fff; line-height: 1.2; }
.stat-item .number i { font-size: 28px; color: var(--accent); margin-right: 6px; }
.stat-item .label { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-top: 8px; letter-spacing: 0.06em; }
.process-section .section-head { margin-bottom: 56px; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.process-item { text-align: center; position: relative; padding: 0 10px; }
.process-item::after {
  content: "";
  position: absolute;
  top: 40px;
  right: -24px;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--border));
}
.process-item:last-child::after { display: none; }
.process-step {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.15);
  position: relative;
  z-index: 1;
}
.process-item h4 { font-size: 17px; margin-bottom: 6px; }
.process-item p { font-size: 14px; color: var(--text-light); margin-bottom: 0; }
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid rgba(226, 232, 240, 0.5);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}
.feature-icon.ci-1 { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.feature-icon.ci-2 { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.feature-icon.ci-3 { background: linear-gradient(135deg, #10b981, #34d399); }
.feature-icon.ci-4 { background: linear-gradient(135deg, #ef4444, #f87171); }
.feature-card h4 { font-size: 17px; margin-bottom: 6px; }
.feature-card p { color: var(--text-light); font-size: 14px; margin-bottom: 0; }
.faq-section { background: var(--white); border-top: 1px solid var(--border); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--light-bg); border-radius: var(--radius-sm); border: 1px solid rgba(226, 232, 240, 0.6); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary-light); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 24px 20px; color: var(--text-light); font-size: 14px; line-height: 1.8; }
.faq-answer p { margin-bottom: 0; }
.cta-section {
  background: linear-gradient(135deg, #4f46e5 0%, #3730a3 50%, #6d28d9 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 60%);
  top: -200px; left: -120px;
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.3), transparent 60%);
  bottom: -160px; right: -80px;
}
.cta-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-content h2 { color: #fff; font-size: 36px; margin-bottom: 16px; }
.cta-content p { color: rgba(255, 255, 255, 0.85); font-size: 17px; margin-bottom: 32px; }
.site-footer { background: var(--dark-bg); color: rgba(255, 255, 255, 0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .brand-icon { width: 40px; height: 40px; font-size: 18px; }
.footer-brand .brand-text { color: #fff; font-size: 17px; }
.footer-brand .brand-text span { color: var(--accent); }
.footer-about p { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; letter-spacing: 0.04em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.6); font-size: 14px; }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact li { font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 10px; display: flex; gap: 10px; align-items: center; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 1024px) {
  .section { padding: 68px 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-item::after { display: none; }
  .hero h1 { font-size: 44px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
    padding: 16px 24px;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 14px 16px; font-size: 16px; }
  .main-nav li.active a { background: rgba(79, 70, 229, 0.08); color: var(--primary) !important; box-shadow: none; }
  .hero { min-height: 560px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; }
  .hero-stats { margin-top: 36px; gap: 12px; }
  .hero-stat .num { font-size: 26px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; gap: 16px; padding: 20px; }
  .news-date { width: 64px; height: 64px; }
  .news-date .d { font-size: 20px; }
  .process-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-content h2 { font-size: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .about-card { padding: 28px 20px; }
  .category-body { padding: 20px; }
  .feature-card { padding: 24px 20px; flex-direction: column; }
  .section-head { margin-bottom: 32px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary: #6c5ce7;
  --primary-dark: #4b3fd4;
  --primary-light: #ece9ff;
  --secondary: #00cec9;
  --accent: #fd79a8;
  --warning: #fdcb6e;
  --bg-white: #ffffff;
  --bg-light: #f6f7fd;
  --bg-dark: #131038;
  --text: #1c1b3b;
  --text-weak: #6e7391;
  --text-invert: #f8f9ff;
  --border: #e7e9f5;
  --radius-lg: 22px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(28, 27, 59, 0.06);
  --shadow: 0 14px 40px rgba(28, 27, 59, 0.1);
  --shadow-lg: 0 28px 68px rgba(28, 27, 59, 0.16);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========== 基础 Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section { padding: 88px 0; }
.section-alt { background: var(--bg-white); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(108, 92, 231, 0.26);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(108, 92, 231, 0.34);
}
.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--bg-white);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

/* ========== Header / 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(231, 233, 245, 0.7);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.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: 1.25rem;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
}
.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.brand-text span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
}
.main-nav { flex: 1; display: flex; justify-content: center; }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav li a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-weak);
  transition: all 0.25s ease;
}
.main-nav li a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.main-nav li.active a {
  color: var(--primary);
  background: var(--primary-light);
  box-shadow: inset 0 0 0 1px rgba(108, 92, 231, 0.18);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--border);
  background: var(--bg-white);
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== 页面 Banner ========== */
.page-hero {
  position: relative;
  padding: 110px 0 96px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: var(--text-invert);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(19, 16, 56, 0.92) 10%, rgba(108, 92, 231, 0.72) 55%, rgba(0, 206, 201, 0.45) 100%);
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.page-hero .hero-desc {
  font-size: 1.08rem;
  line-height: 1.8;
  color: rgba(248, 249, 255, 0.86);
  max-width: 680px;
  margin-bottom: 34px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}
.hero-actions .btn {
  background: #fff;
  color: var(--primary);
}
.hero-actions .btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}
.hero-actions .btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}
.banner-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.banner-stat {
  display: flex;
  flex-direction: column;
  padding: 16px 26px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  min-width: 130px;
}
.banner-stat strong {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
}
.banner-stat span {
  font-size: 0.82rem;
  color: rgba(248, 249, 255, 0.7);
  letter-spacing: 1px;
}

/* ========== 面包屑 ========== */
.breadcrumb-bar {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-white);
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-weak);
}
.breadcrumb-list a { color: var(--text-weak); }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-list i { font-size: 0.7rem; color: #c4c7db; }
.breadcrumb-list .current { color: var(--primary); font-weight: 600; }

/* ========== 通用板块标题 ========== */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 1rem;
  line-height: 1.8;
}

/* ========== 活动分类卡片 ========== */
.category-grid { row-gap: 28px; }
.category-card {
  display: block;
  padding: 32px 26px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.35s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.category-card::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 92, 231, 0.3);
}
.category-card:hover::after { opacity: 1; }
.category-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(28, 27, 59, 0.12);
}
.category-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.category-card p {
  color: var(--text-weak);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 18px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
}
.category-link i { transition: transform 0.3s ease; }
.category-card:hover .category-link i { transform: translateX(4px); }

/* ========== 热门活动推荐 ========== */
.featured-section {
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
}
.featured-grid { row-gap: 24px; }
.featured-card-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  transition: all 0.4s ease;
}
.featured-card-main:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.featured-card-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-card-main::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(19, 16, 56, 0.12) 0%, rgba(19, 16, 56, 0.86) 80%);
}
.featured-main-content {
  position: relative;
  z-index: 2;
  padding: 36px;
  color: #fff;
  width: 100%;
}
.featured-main-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 14px;
  backdrop-filter: blur(6px);
}
.featured-main-content h2 {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.4;
}
.featured-main-content p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin-bottom: 20px;
}
.featured-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
}
.featured-meta i { margin-right: 5px; }
.featured-card-small {
  display: flex;
  gap: 18px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: all 0.35s ease;
  align-items: center;
  margin-bottom: 24px;
  height: calc(50% - 12px);
}
.featured-card-small:last-child { margin-bottom: 0; }
.featured-card-small:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 92, 231, 0.25);
}
.featured-small-thumb {
  width: 150px;
  min-height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.featured-small-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 100px;
}
.featured-small-content { flex: 1; }
.featured-small-content .sm-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.featured-small-content h3 {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  color: var(--text);
}
.featured-small-content p {
  font-size: 0.85rem;
  color: var(--text-weak);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.sm-meta {
  font-size: 0.8rem;
  color: #a5a8c0;
  display: flex;
  gap: 14px;
}

/* ========== 资讯列表 ========== */
.news-section { background: var(--bg-white); }
.news-list { max-width: 1080px; margin: 0 auto; }
.news-item {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.news-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: rgba(108, 92, 231, 0.28);
}
.news-thumb {
  width: 220px;
  height: 140px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-item:hover .news-thumb img { transform: scale(1.06); }
.news-content { flex: 1; min-width: 0; }
.news-tag-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}
.news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--primary-light), #eef9fb);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}
.news-date { font-size: 0.8rem; color: #a5a8c0; }
.news-content h3 {
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  transition: color 0.25s ease;
}
.news-content h3:hover { color: var(--primary); }
.news-content p {
  font-size: 0.92rem;
  color: var(--text-weak);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-extra {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: #a5a8c0;
}
.news-extra i { margin-right: 4px; }
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.84rem;
  white-space: nowrap;
  margin-left: auto;
}
.news-more:hover { gap: 12px; }

/* ========== 时间线 ========== */
.timeline-section {
  background: var(--bg-dark);
  color: var(--text-invert);
  position: relative;
  overflow: hidden;
}
.timeline-section::before {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.32), transparent 60%);
}
.timeline-section .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #c8d0ff;
}
.timeline-section .section-head h2 { color: #fff; }
.timeline-section .section-head p { color: rgba(255, 255, 255, 0.6); }
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 30px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding: 0 0 38px 36px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 5px rgba(108, 92, 231, 0.25);
  z-index: 2;
}
.timeline-item .timeline-icon {
  position: absolute;
  left: -8px;
  top: -4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #fff;
  z-index: 3;
}
.timeline-date {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #c8d0ff;
  margin-bottom: 10px;
}
.timeline-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.timeline-item p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg-light); }
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(108, 92, 231, 0.25);
}
.faq-item summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--text);
  gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s ease;
  font-size: 0.9rem;
}
.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px dashed var(--border);
  color: var(--text-weak);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ========== CTA 区块 ========== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 16, 56, 0.9), rgba(108, 92, 231, 0.78));
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.35;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin-bottom: 34px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}
.cta-section .btn-white {
  background: #fff;
  color: var(--primary);
}
.cta-section .btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}
.cta-section .btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.cta-section .btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.68);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.footer-brand .brand-icon {
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand .brand-text span {
  color: #a5b0ff;
}
.footer-about p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.55);
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  padding-bottom: 10px;
  position: relative;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
  transition: all 0.25s ease;
}
.footer-col ul li a:hover {
  color: var(--secondary);
  padding-left: 6px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer-contact i {
  color: var(--primary);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.38);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section { padding: 70px 0; }
  .page-hero { padding: 90px 0 74px; }
  .page-hero h1 { font-size: 2.4rem; }
  .section-head h2 { font-size: 1.9rem; }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
  }
  .featured-card-small { flex-direction: column; align-items: flex-start; }
  .featured-small-thumb { width: 100%; height: 140px; }
}
@media (max-width: 860px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .header-inner { height: 68px; }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    padding: 24px 18px;
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
    border-top: 1px solid var(--border);
    justify-content: flex-start;
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 6px; width: 100%; }
  .main-nav li a {
    display: block;
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 1.02rem;
  }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .page-hero { padding: 70px 0 60px; }
  .page-hero h1 { font-size: 2rem; }
  .hero-desc { font-size: 1rem; }
  .banner-stats { gap: 12px; }
  .banner-stat { padding: 12px 18px; min-width: 106px; }
  .banner-stat strong { font-size: 1.3rem; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 16px; }
  .news-thumb { width: 100%; height: 180px; }
  .news-more { margin-left: 0; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom { text-align: center; }
}
@media (max-width: 520px) {
  .section { padding: 54px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 1.55rem; }
  .page-hero h1 { font-size: 1.68rem; line-height: 1.35; }
  .hero-tag { font-size: 0.76rem; padding: 6px 14px; }
  .page-hero .hero-desc { font-size: 0.94rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .banner-stats { flex-direction: column; }
  .banner-stat { min-width: 100%; flex-direction: row; align-items: baseline; gap: 10px; }
  .banner-stat span { margin-left: auto; }
  .category-card { padding: 26px 20px; }
  .featured-main-content { padding: 24px; }
  .featured-main-content h2 { font-size: 1.25rem; }
  .featured-meta { flex-wrap: wrap; gap: 10px; }
  .news-item { padding: 18px; }
  .news-thumb { height: 150px; }
  .news-content h3 { font-size: 1.05rem; }
  .timeline { padding-left: 20px; }
  .timeline-item { padding: 0 0 32px 28px; }
  .faq-item { padding: 22px 18px; }
  .faq-item summary { font-size: 0.96rem; }
  .cta-section { padding: 64px 0; }
  .cta-section h2 { font-size: 1.7rem; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn { width: 100%; }
  .footer-grid { gap: 24px; padding-bottom: 30px; }
}

/* ========== 结构化微样式 ========== */
.badge-pulse {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* roulang page: category2 */
:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #818cf8;
  --secondary: #f59e0b;
  --secondary-light: #fbbf24;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 16px 48px rgba(79, 70, 229, .14);
  --transition: .3s cubic-bezier(.4, 0, .2, 1);
  --font: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover, a:focus { color: var(--primary); }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: var(--font); border: none; background: none; cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.text-center { text-align: center; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(79, 70, 229, .1); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
.section-title { font-size: 38px; line-height: 1.25; font-weight: 700; margin: 0 0 14px; color: var(--text); letter-spacing: -.02em; }
.section-desc { max-width: 640px; margin: 0 auto 48px; color: var(--text-weak); font-size: 16px; }
.text-center .section-desc { margin-left: auto; margin-right: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, .7);
}
.header-inner { 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(--primary-light));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  box-shadow: 0 6px 16px rgba(79, 70, 229, .3);
}
.brand-text { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.brand-text span { display: block; font-size: 11px; font-weight: 500; color: var(--text-weak); letter-spacing: .12em; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav ul a {
  display: block; padding: 8px 16px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--text-weak);
  transition: all var(--transition);
}
.main-nav ul a:hover, .main-nav ul li.active a { color: var(--primary); background: rgba(79, 70, 229, .08); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; font-size: 15px; font-weight: 600;
  transition: all var(--transition); line-height: 1; border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(79, 70, 229, .25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(79, 70, 229, .3); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(79, 70, 229, .04); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 6px 20px rgba(0, 0, 0, .12); }
.btn-light:hover { background: #f1f5f9; transform: translateY(-2px); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; justify-content: center; align-items: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s ease; }

/* Hero Pages */
.page-hero {
  position: relative; padding: 112px 0 96px;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
  overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  opacity: .18;
}
.page-hero::after {
  content: ""; position: absolute; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(129, 140, 248, .3), transparent 70%);
  top: -160px; right: -100px; border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: 48px; font-weight: 800; margin-bottom: 18px; letter-spacing: -.02em; }
.page-hero p { color: rgba(255, 255, 255, .8); font-size: 18px; max-width: 620px; margin-bottom: 32px; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .6); margin-bottom: 24px; }
.breadcrumb a { color: rgba(255, 255, 255, .7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 12px; }

/* Overview */
.overview-section { margin-top: -48px; position: relative; z-index: 5; }
.overview-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 40px; border: 1px solid rgba(226, 232, 240, .5);
}
.overview-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.overview-content h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.overview-content p { color: var(--text-weak); margin-bottom: 20px; }
.overview-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag { padding: 6px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--text-weak); }
.tag-primary { background: rgba(79, 70, 229, .08); border-color: rgba(79, 70, 229, .15); color: var(--primary); }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.stat-card { background: var(--bg); border-radius: var(--radius-md); padding: 28px 24px; text-align: center; border: 1px solid var(--border); transition: all var(--transition); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-num { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--text-weak); margin-top: 6px; }

/* Timeline */
.timeline-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.timeline-list { max-width: 860px; margin: 0 auto; position: relative; }
.timeline-list::before { content: ""; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary)); }
.timeline-item { display: flex; gap: 28px; margin-bottom: 40px; position: relative; }
.timeline-dot { width: 42px; height: 42px; border-radius: 50%; background: #fff; border: 3px solid var(--primary); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 14px; flex-shrink: 0; box-shadow: 0 0 0 4px rgba(79, 70, 229, .12); z-index: 2; }
.timeline-card { flex: 1; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 28px; transition: all var(--transition); }
.timeline-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.timeline-date { font-size: 13px; color: var(--primary); font-weight: 600; display: block; margin-bottom: 8px; }
.timeline-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.timeline-card p { color: var(--text-weak); font-size: 14px; margin: 0; }

/* Activity Cards */
.activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.activity-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); transition: all var(--transition);
  display: flex; flex-direction: column;
}
.activity-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.activity-cover { position: relative; height: 200px; overflow: hidden; }
.activity-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.activity-card:hover .activity-cover img { transform: scale(1.05); }
.activity-badge { position: absolute; top: 16px; left: 16px; background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px); padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--primary); }
.activity-badge-hot { background: rgba(245, 158, 11, .92); color: #fff; }
.activity-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.activity-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-weak); margin-bottom: 12px; }
.activity-meta i { color: var(--primary-light); margin-right: 4px; }
.activity-body h3 { font-size: 18px; font-weight: 700; margin: 0 0 12px; line-height: 1.4; }
.activity-body p { font-size: 14px; color: var(--text-weak); margin: 0 0 20px; flex: 1; }
.activity-link { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.activity-link:hover { gap: 10px; }
.activity-link i { font-size: 12px; transition: transform var(--transition); }

/* Process */
.process-section { background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.process-step { background: #fff; border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; position: relative; border: 1px solid var(--border); transition: all var(--transition); }
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.process-num { width: 48px; height: 48px; border-radius: 14px; background: var(--primary); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 8px 20px rgba(79, 70, 229, .25); }
.process-step h4 { font-size: 16px; font-weight: 700; margin: 0 0 10px; }
.process-step p { font-size: 14px; color: var(--text-weak); margin: 0; }
.process-arrow { position: absolute; top: 42px; right: -18px; color: var(--primary-light); font-size: 18px; z-index: 3; }

/* Notice */
.notice-section { background: #fff; }
.notice-list { max-width: 900px; margin: 0 auto; }
.notice-item {
  display: flex; gap: 20px; padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left var(--transition);
}
.notice-item:last-child { border-bottom: none; }
.notice-item:hover { padding-left: 8px; }
.notice-date { flex-shrink: 0; width: 96px; }
.notice-date .month { font-size: 13px; color: var(--text-weak); text-transform: uppercase; letter-spacing: .08em; }
.notice-date .day { font-size: 28px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.notice-title { flex: 1; }
.notice-title h3 { font-size: 17px; font-weight: 600; margin: 0 0 6px; color: var(--text); }
.notice-title p { font-size: 14px; color: var(--text-weak); margin: 0; }
.notice-type { flex-shrink: 0; align-self: center; }
.notice-type .tag { background: rgba(79, 70, 229, .08); border-color: transparent; color: var(--primary); }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 1000px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; transition: all var(--transition); }
.faq-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }
.faq-item h4 { font-size: 16px; font-weight: 700; display: flex; align-items: flex-start; gap: 12px; margin: 0 0 10px; }
.faq-item h4 i { color: var(--primary); font-size: 18px; margin-top: 2px; }
.faq-item p { font-size: 14px; color: var(--text-weak); margin: 0 0 0 30px; }

/* CTA */
.cta-section { padding: 80px 0; position: relative; overflow: hidden; background: linear-gradient(135deg, #4f46e5, #7c3aed); }
.cta-section::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: .12; }
.cta-box { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: 34px; font-weight: 800; margin: 0 0 16px; }
.cta-box p { color: rgba(255, 255, 255, .85); font-size: 17px; margin-bottom: 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, .7); padding: 64px 0 0; }
.site-footer a { color: rgba(255, 255, 255, .6); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .brand-icon { width: 38px; height: 38px; font-size: 15px; }
.footer-brand .brand-text { color: #fff; font-size: 18px; }
.footer-brand .brand-text span { color: rgba(255, 255, 255, .5); font-size: 10px; }
.footer-about > p { font-size: 14px; color: rgba(255, 255, 255, .6); max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 12px; font-size: 14px; }
.footer-col ul li i { margin-right: 8px; color: var(--primary-light); width: 16px; }
.footer-bottom { padding: 24px 0; border-top: 1px solid rgba(255, 255, 255, .06); }
.footer-bottom p { font-size: 13px; text-align: center; margin: 0; color: rgba(255, 255, 255, .4); }

/* Mobile */
@media (max-width: 1024px) {
  .activity-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-arrow { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; padding: 20px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%); opacity: 0; visibility: hidden;
    transition: all .4s ease; border-bottom: 1px solid var(--border);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav ul a { padding: 12px 16px; font-size: 16px; }
  .header-actions .btn-sm { display: none; }
  .page-hero { padding: 72px 0 80px; }
  .page-hero h1 { font-size: 32px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .overview-grid { grid-template-columns: 1fr; gap: 32px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-item { gap: 16px; }
  .timeline-list::before { left: 20px; }
  .activity-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .process-grid { grid-template-columns: 1fr; }
  .notice-item { flex-direction: column; gap: 10px; }
  .notice-type { align-self: flex-start; }
  .cta-box h2 { font-size: 26px; }
  .cta-buttons .btn { width: 100%; }
}
@media (max-width: 520px) {
  .brand-text { font-size: 17px; }
  .brand-text span { font-size: 9px; }
  .container { padding: 0 16px; }
  .overview-card { padding: 24px; }
  .activity-body { padding: 20px; }
}

/* roulang page: article */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --accent: #f59e0b;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-alt: #eef2ff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, .12);
  --font-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .2s ease; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.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, .35);
  flex-shrink: 0;
}
.brand-text { font-size: 20px; color: var(--text); white-space: nowrap; }
.brand-text span { color: var(--primary); font-size: 15px; margin-left: 6px; }
.main-nav { display: flex; align-items: center; }
.main-nav ul { display: flex; align-items: center; gap: 6px; list-style: none; }
.main-nav a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: background .25s, color .25s;
}
.main-nav a:hover { color: var(--primary); background: var(--surface-alt); }
.main-nav li.active a {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, .35);
}
.header-actions { display: flex; align-items: center; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s ease;
  line-height: 1.4;
  box-shadow: 0 4px 12px rgba(79, 70, 229, .25);
}
.btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(79, 70, 229, .3); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-light { background: #fff; color: var(--primary); border-color: rgba(255,255,255,.4); box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.btn-light:hover { background: #f1f5f9; color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); box-shadow: none; }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-block { width: 100%; }
.btn-white-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); box-shadow: none; }
.btn-white-outline:hover { background: #fff; color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--text); border-radius: 4px; transition: transform .3s, opacity .3s; }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 页面内页 Hero ===== */
.page-hero {
  position: relative;
  padding: 70px 0 80px;
  color: #fff;
  background-size: cover;
  background-position: center;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,23,42,.82), rgba(79,70,229,.58)), rgba(15,23,42,.45);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .divider { color: rgba(255,255,255,.5); }
.breadcrumb .current { color: #fff; font-weight: 500; }
.article-hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.article-hero h1 { font-size: 40px; line-height: 1.25; font-weight: 800; max-width: 820px; letter-spacing: -0.02em; margin-bottom: 16px; }
.article-hero-desc { font-size: 16px; line-height: 1.7; color: rgba(255,255,255,.9); max-width: 720px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,.16);
  color: #fff;
  backdrop-filter: blur(6px);
}
.badge-accent { background: var(--accent); color: #fff; }
.badge-plain { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.2); }

/* ===== 文章页主体 ===== */
.article-section { padding: 60px 0; }
.article-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 42px;
  line-height: 1.9;
}
.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 32px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--surface-alt);
}
.article-content h3 { font-size: 22px; font-weight: 700; margin: 26px 0 12px; }
.article-content h4 { font-size: 18px; font-weight: 700; margin: 20px 0 10px; }
.article-content p { margin-bottom: 18px; }
.article-content ul { list-style: disc; padding-left: 24px; margin: 0 0 18px; }
.article-content ol { list-style: decimal; padding-left: 24px; margin: 0 0 18px; }
.article-content li { margin-bottom: 8px; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--surface-alt);
  padding: 18px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  color: var(--text-muted);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-content table th,
.article-content table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content table th { background: var(--surface-alt); font-weight: 700; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--primary-dark); }

.article-sidebar { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 24px; }
.side-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 26px;
}
.side-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.side-card h3::before { content: ""; width: 4px; height: 18px; background: var(--primary); border-radius: 999px; }
.side-list { list-style: none; }
.side-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  color: var(--text-muted);
  font-size: 15px;
  border-bottom: 1px dashed var(--border);
}
.side-list li:last-child { border-bottom: none; }
.side-list i { color: var(--primary); width: 18px; text-align: center; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  transition: all .2s;
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.side-card-cta {
  background: linear-gradient(145deg, var(--primary), var(--primary-dark));
  color: #fff;
  text-align: center;
}
.side-card-cta h3 { color: #fff; border-bottom-color: rgba(255,255,255,.2); }
.side-card-cta h3::before { background: var(--accent); }
.side-card-cta p { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 18px; }
.side-cta-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

/* ===== 通用板块标题 ===== */
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: 36px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 10px; }
.section-head p { color: var(--text-muted); font-size: 16px; }

/* ===== 相关栏目卡片 ===== */
.section-related { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 80px 0; }
.cover-card {
  display: block;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.cover-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(79,70,229,.3); }
.cover-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.cover-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.cover-card:hover .cover-thumb img { transform: scale(1.06); }
.cover-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(79,70,229,.92);
  color: #fff;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 600;
}
.cover-body { padding: 24px; }
.cover-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.cover-body p { color: var(--text-muted); font-size: 14px; margin-bottom: 14px; line-height: 1.6; }
.cover-link { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.cover-link i { transition: transform .2s; }
.cover-card:hover .cover-link i { transform: translateX(4px); }

/* ===== 流程步骤 ===== */
.section-steps { background: var(--bg); padding: 80px 0; }
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: all .3s ease;
}
.step-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num { position: absolute; top: 12px; right: 18px; font-size: 52px; font-weight: 800; color: var(--surface-alt); line-height: 1; }
.step-card > i {
  font-size: 32px;
  color: var(--primary);
  background: var(--surface-alt);
  width: 58px; height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; position: relative; z-index: 1; }
.step-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; position: relative; z-index: 1; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-section { background: var(--surface); border-top: 1px solid var(--border); padding: 80px 0; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .25s, border-color .25s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: var(--primary-light); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.faq-question i { color: var(--primary); transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer p { padding: 0 22px 20px; color: var(--text-muted); line-height: 1.7; font-size: 15px; margin: 0; }
.faq-item.open .faq-answer { max-height: 300px; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  text-align: center;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}
.cta-section::before { content: ""; position: absolute; inset: 0; background: rgba(79,70,229,.9); }
.cta-section .container { position: relative; z-index: 2; }
.cta-box {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
}
.cta-box h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,.9); margin-bottom: 24px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* ===== 空状态 ===== */
.empty-state {
  padding: 120px 24px;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.empty-box { max-width: 480px; margin: 0 auto; text-align: center; }
.empty-icon {
  width: 90px; height: 90px;
  margin: 0 auto 24px;
  background: var(--surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
  color: var(--primary);
  box-shadow: var(--shadow-md);
}
.empty-box h1 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.empty-box p { color: var(--text-muted); font-size: 16px; margin-bottom: 24px; }

/* ===== 页脚 ===== */
.site-footer { background: #0f172a; color: #94a3b8; padding: 64px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.footer-brand .brand-text { color: #fff; font-size: 18px; }
.footer-brand .brand-text span { color: var(--primary-light); font-size: 14px; }
.footer-about p { line-height: 1.7; max-width: 340px; color: #94a3b8; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: #94a3b8; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--primary-light); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; text-align: center; color: #64748b; }
.footer-bottom p { margin-bottom: 0; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-hero h1 { font-size: 34px; }
  .section-head h2 { font-size: 30px; }
  .cta-box { padding: 40px 28px; }
}

@media (max-width: 768px) {
  .header-inner { min-height: 64px; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { display: block; padding: 12px 16px; border-radius: 10px; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn { display: none; }

  .article-hero { padding: 48px 0 58px; }
  .article-hero h1 { font-size: 30px; }
  .article-hero-desc { font-size: 15px; }
  .article-section { padding: 40px 0; }
  .article-content { padding: 28px; }
  .page-hero { padding: 50px 0 60px; }
  .breadcrumb { font-size: 13px; }

  .section-related, .section-steps, .faq-section { padding: 50px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 27px; }
  .cta-section { padding: 50px 0; }
  .cta-box { padding: 32px 24px; }
  .cta-box h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
  .article-sidebar { position: static; margin-top: 28px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 17px; }
  .brand-text span { display: none; }
  .brand-icon { width: 36px; height: 36px; font-size: 17px; }
  .article-hero h1 { font-size: 25px; }
  .article-content { padding: 20px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 19px; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-about { grid-column: auto; }
  .footer-contact li, .footer-brand { justify-content: center; }
  .footer-about p { margin: 0 auto; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category3 */
:root{
  --primary:#6D28D9;
  --primary-light:#8B5CF6;
  --primary-dark:#5B21B6;
  --accent:#F59E0B;
  --accent-light:#FBBF24;
  --bg:#F8FAFC;
  --bg-dark:#0F172A;
  --bg-card:#FFFFFF;
  --text:#1E293B;
  --text-muted:#64748B;
  --border:#E2E8F0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.05);
  --shadow:0 6px 24px rgba(15,23,42,.08);
  --shadow-lg:0 16px 48px rgba(15,23,42,.14);
  --container:1200px;
  --font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-family);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.text-center{text-align:center}
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(109,40,217,.08);color:var(--primary);
  font-size:14px;font-weight:600;padding:6px 16px;
  border-radius:100px;margin-bottom:14px;
}
.section-tag i{font-size:12px}
.section-title{
  font-size:36px;font-weight:800;line-height:1.25;
  color:var(--text);margin-bottom:14px;letter-spacing:-.5px;
}
.section-sub{color:var(--text-muted);font-size:17px;line-height:1.8}
/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:12px;font-size:15px;font-weight:600;
  border:none;cursor:pointer;transition:all .25s ease;line-height:1.4;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;box-shadow:0 4px 16px rgba(109,40,217,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(109,40,217,.4);
}
.btn-outline{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.7);
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-light));
  color:#fff;box-shadow:0 4px 16px rgba(245,158,11,.3);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,.4)}
.btn-lg{padding:14px 36px;font-size:16px}
/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 12px rgba(15,23,42,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:72px;gap:24px;
}
.brand{display: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-light));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(109,40,217,.35);
}
.brand-text{font-size:20px;font-weight:800;color:var(--text);letter-spacing:-.5px;line-height:1.2}
.brand-text span{display:block;font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.5px}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:inline-flex;align-items:center;padding:8px 16px;
  border-radius:10px;font-size:15px;font-weight:500;color:var(--text-muted);
  transition:all .2s ease;position:relative;
}
.main-nav a:hover{color:var(--primary);background:rgba(109,40,217,.06)}
.main-nav li.active a{
  color:var(--primary);font-weight:600;background:rgba(109,40,217,.08);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:40px;height:40px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}
/* Hero */
.hero{
  position:relative;
  background:linear-gradient(120deg,rgba(15,23,42,.94),rgba(91,33,182,.85)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  color:#fff;padding:112px 0 96px;
}
.hero::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:120px;
  background:linear-gradient(to top,var(--bg),transparent);
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-breadcrumb{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  padding:6px 16px;border-radius:100px;margin-bottom:24px;
}
.hero-breadcrumb a{color:rgba(255,255,255,.85)}
.hero-breadcrumb a:hover{color:#fff}
.hero h1{
  font-size:52px;font-weight:800;line-height:1.15;
  letter-spacing:-1px;margin-bottom:20px;
}
.hero h1 span{
  background:linear-gradient(90deg,var(--accent-light),#fff);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-desc{font-size:18px;line-height:1.8;color:rgba(255,255,255,.88);margin-bottom:32px;max-width:620px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
/* Service Cards */
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.service-card{
  background:var(--bg-card);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);border:1px solid var(--border);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:all .3s ease;
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);border-color:rgba(109,40,217,.3);
}
.service-card-img{position:relative;height:190px;overflow:hidden}
.service-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .service-card-img img{transform:scale(1.05)}
.service-card-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,23,42,.4),transparent);
}
.service-card-body{padding:28px;display:flex;flex-direction:column;flex:1;position:relative}
.service-icon{
  width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 6px 16px rgba(109,40,217,.3);
  margin-top:-52px;margin-bottom:18px;position:relative;z-index:3;
  border:3px solid #fff;
}
.service-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.service-card p{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  margin-top:18px;transition:gap .2s ease;
}
.card-link:hover{gap:12px;color:var(--primary-dark)}
/* Stats */
.stats{
  background:linear-gradient(135deg,var(--bg-dark),#1E1B4B);
  color:#fff;padding:72px 0;
  position:relative;overflow:hidden;
}
.stats::before{
  content:'';position:absolute;top:-60px;right:-60px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(139,92,246,.3),transparent 70%);
}
.stats::after{
  content:'';position:absolute;bottom:-80px;left:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(245,158,11,.2),transparent 70%);
}
.stats .container{position:relative;z-index:2}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center;padding:24px 16px;border-radius:var(--radius-lg);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.stat-num{font-size:42px;font-weight:800;background:linear-gradient(90deg,var(--accent-light),#fff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.stat-icon{font-size:22px;color:var(--accent);margin-bottom:12px}
.stat-label{font-size:15px;color:rgba(255,255,255,.75);margin-top:8px}
/* Process */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:step}
.process-step{
  background:#fff;border-radius:var(--radius-lg);padding:32px 24px;
  box-shadow:var(--shadow-sm);border:1px solid var(--border);
  text-align:center;position:relative;transition:all .3s ease;
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.process-step .step-num{
  width:36px;height:36px;border-radius:50%;margin:0 auto 16px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;box-shadow:0 4px 12px rgba(109,40,217,.3);
}
.process-step .step-icon{font-size:30px;color:var(--primary);margin-bottom:14px}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.process-step p{font-size:14px;color:var(--text-muted);line-height:1.6}
/* Detail */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:80px}
.detail-grid:last-child{margin-bottom:0}
.detail-grid.reverse .detail-img{order:2}
.detail-img{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);position:relative;
}
.detail-img img{width:100%;height:380px;object-fit:cover}
.detail-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(109,40,217,.1),transparent);
}
.detail-badge{
  position:absolute;top:20px;left:20px;z-index:2;
  background:rgba(255,255,255,.95);color:var(--primary);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:100px;
  box-shadow:var(--shadow-sm);
}
.detail-content .detail-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(109,40,217,.08);color:var(--primary);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:100px;margin-bottom:14px;
}
.detail-content h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:16px;letter-spacing:-.5px}
.detail-content p{color:var(--text-muted);font-size:16px;line-height:1.8;margin-bottom:22px}
.detail-features{display:flex;flex-direction:column;gap:14px}
.detail-features li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:15px;color:var(--text);font-weight:500;
}
.detail-features li i{
  width:24px;height:24px;border-radius:8px;flex-shrink:0;
  background:rgba(109,40,217,.1);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;margin-top:2px;
}
/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion{
  background:transparent;border:none;border-radius:var(--radius-md);
}
.accordion-item{
  background:#fff;border:1px solid var(--border) !important;
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease;
}
.accordion-item:hover{box-shadow:var(--shadow-sm)}
.accordion-item.is-active{border-color:rgba(109,40,217,.3) !important;box-shadow:var(--shadow)}
.accordion-title{
  display:flex;align-items:center;gap:12px;
  padding:18px 22px !important;font-size:16px;font-weight:600;
  color:var(--text);border:none !important;background:transparent !important;
}
.accordion-title::before{
  content:'' !important;width:8px;height:8px;border-radius:50%;
  background:var(--primary);flex-shrink:0;margin:0 !important;
}
.accordion-title:hover{background:rgba(109,40,217,.02) !important}
.accordion-title::after{
  content:'\f078' !important;
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;color:var(--text-muted);
  font-size:13px;transition:transform .3s ease;
}
.accordion-item.is-active>.accordion-title::after{transform:rotate(180deg);color:var(--primary)}
.accordion-content{
  padding:0 22px 20px 42px !important;
  background:transparent !important;border:none !important;
  color:var(--text-muted);font-size:15px;line-height:1.8;
}
/* CTA */
.cta{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(120deg,rgba(15,23,42,.92),rgba(91,33,182,.88)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:72px 64px;color:#fff;text-align:center;
  box-shadow:var(--shadow-lg);
}
.cta h2{font-size:34px;font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.cta p{font-size:17px;color:rgba(255,255,255,.8);max-width:600px;margin:0 auto 32px;line-height:1.8}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
/* Footer */
.site-footer{
  background:var(--bg-dark);color:#94A3B8;padding:72px 0 0;
  margin-top:96px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-icon{background:linear-gradient(135deg,var(--primary),var(--primary-light))}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:800}
.footer-brand .brand-text span{color:var(--accent-light);font-size:12px;display:block;font-weight:600}
.footer-about p{font-size:14px;line-height:1.8;color:#94A3B8}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:#94A3B8;transition:color .2s ease}
.footer-col ul a:hover{color:var(--accent-light)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#94A3B8;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:3px}
.footer-bottom{
  padding:24px 0;text-align:center;font-size:13px;color:#64748B;
}
/* Responsive */
@media(max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:96px 0 80px}
  .hero h1{font-size:44px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .process-steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .detail-grid{grid-template-columns:1fr;gap:36px;margin-bottom:56px}
  .detail-grid.reverse .detail-img{order:0}
  .detail-img img{height:320px}
  .cta{padding:56px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .header-inner{min-height:64px}
  .main-nav{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 16px 32px rgba(15,23,42,.1);
    padding:16px 24px;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav a{padding:12px 16px;font-size:16px}
  .nav-toggle{display:flex}
  .nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .hero{padding:80px 0 64px}
  .hero h1{font-size:34px}
  .hero-desc{font-size:16px}
  .section-title{font-size:28px}
  .grid-x.grid-margin-x>.cell{margin-bottom:20px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .cta{padding:48px 24px}
  .cta h2{font-size:26px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero h1{font-size:28px}
  .hero-desc{font-size:15px}
  .hero-btns .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .brand-text{font-size:17px}
  .brand-icon{width:38px;height:38px;font-size:16px}
  .accordion-title{font-size:15px;padding:16px 16px !important}
  .accordion-content{padding:0 16px 16px 30px !important}
}