/* roulang page: index */
:root {
  --primary: #1f6feb;
  --primary-dark: #164e9e;
  --primary-light: #e8f1fd;
  --accent: #f5a623;
  --accent-light: #fef3e2;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #172b4d;
  --text-muted: #5e6c84;
  --border: #e4e9f2;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(23, 43, 77, 0.06);
  --shadow-md: 0 6px 20px rgba(23, 43, 77, 0.08);
  --shadow-lg: 0 16px 40px rgba(23, 43, 77, 0.12);
  --transition: 0.25s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.brand-logo span { color: var(--primary); }
.nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
.nav-right { gap: 24px; }
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); font-weight: 600; background: var(--primary-light); }
.nav-cta {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition);
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s ease, opacity 0.2s; }
.mobile-menu {
  display: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 12px 24px 20px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 12px 16px; font-size: 15px; }

.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 20, 40, 0.92) 0%, rgba(15, 35, 70, 0.78) 45%, rgba(31, 111, 235, 0.55) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 40px;
  padding: 6px 16px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.hero h1 span { color: #60a5fa; }
.hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 28px; border-radius: var(--radius-md); font-size: 15px; font-weight: 600; transition: all var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(31, 111, 235, 0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(31, 111, 235, 0.35); }
.btn-ghost { background: rgba(255, 255, 255, 0.1); color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat { display: flex; flex-direction: column; }
.hero-stats .stat-num { font-size: 28px; font-weight: 700; color: #fff; }
.hero-stats .stat-label { font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-top: 2px; }

.ticker-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 10px 0;
}
.ticker-inner {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 20s linear infinite;
}
.ticker-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); }
.ticker-item .tick-icon { color: var(--primary); }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.section { padding: 80px 0; }
.section-alt { background: var(--surface); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-tag { display: inline-block; background: var(--primary-light); color: var(--primary); padding: 4px 14px; border-radius: 30px; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.section-title { font-size: clamp(24px, 3.5vw, 36px); font-weight: 700; color: var(--text); line-height: 1.25; margin-bottom: 12px; }
.section-desc { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.f-icon-blue { background: var(--primary-light); color: var(--primary); }
.f-icon-orange { background: var(--accent-light); color: var(--accent); }
.f-icon-green { background: #e6f7e6; color: #22b07d; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }
.feature-card .feature-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary); }
.feature-card .feature-link:hover { gap: 10px; }

.category-entry { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.category-entry-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.category-entry-content .section-tag { margin-bottom: 14px; }
.category-entry-content h2 { font-size: 30px; font-weight: 700; line-height: 1.3; margin-bottom: 16px; }
.category-entry-content p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.category-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag { display: inline-block; padding: 5px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 20px; font-size: 13px; color: var(--text-muted); transition: all var(--transition); }
.tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

.posts-section { background: var(--bg); }
.posts-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; }
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all var(--transition);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.post-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--primary); }
.post-item-num { font-size: 22px; font-weight: 800; color: var(--primary-light); line-height: 1; min-width: 30px; text-align: center; padding-top: 4px; }
.post-item-body { flex: 1; }
.post-item-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; transition: color var(--transition); }
.post-item:hover .post-item-title { color: var(--primary); }
.post-item-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-item-meta { display: flex; gap: 12px; margin-top: 8px; font-size: 12px; color: var(--text-muted); }
.post-item-meta .cat-badge { background: var(--primary-light); color: var(--primary); padding: 2px 8px; border-radius: 10px; font-weight: 500; }

.hot-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.hot-panel h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.hot-panel h3 .hot-ic { background: var(--accent); color: #fff; padding: 2px 8px; border-radius: 6px; font-size: 12px; }
.hot-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.hot-list li { padding-bottom: 14px; border-bottom: 1px dashed var(--border); }
.hot-list li:last-child { padding-bottom: 0; border-bottom: none; }
.hot-list a { font-size: 14px; color: var(--text); line-height: 1.5; display: block; transition: color var(--transition); }
.hot-list a:hover { color: var(--primary); }
.hot-list .hot-rank { display: flex; align-items: center; gap: 10px; }
.hot-list .rank-num { font-weight: 800; font-size: 15px; color: var(--accent); min-width: 20px; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(31, 111, 235, 0.3);
}
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.faq-section { background: var(--surface); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: box-shadow var(--transition); }
.faq-item.active { box-shadow: var(--shadow-sm); border-color: var(--primary); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; font-size: 15px; font-weight: 600; cursor: pointer; background: var(--surface); transition: background var(--transition); }
.faq-q:hover { background: var(--bg); }
.faq-q .faq-ic { font-size: 20px; color: var(--primary); transition: transform 0.3s; }
.faq-item.active .faq-ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 24px; }
.faq-item.active .faq-a { max-height: 200px; padding-bottom: 18px; }
.faq-a p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

.cta-section {
  position: relative;
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(15, 35, 70, 0.93), rgba(31, 111, 235, 0.82)); z-index: 1; }
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.site-footer { background: #0f172a; color: #94a3b8; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .footer-logo { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; padding: 6px 0; font-size: 14px; color: #94a3b8; transition: color var(--transition), padding-left var(--transition); }
.footer-col a:hover { color: var(--primary); padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; font-size: 13px; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .posts-layout { grid-template-columns: 1fr; }
  .category-entry { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .brand-logo { position: static; transform: none; font-size: 18px; }
  .nav-left, .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu.open { display: flex; }
  .hero { padding: 70px 0 60px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .hero-stats { gap: 24px; }
  .section { padding: 56px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; }
  .post-item { flex-direction: column; gap: 8px; }
  .post-item-num { display: none; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root {
  --primary: #2b44e0;
  --primary-light: #5b80ff;
  --primary-dark: #1e2c8f;
  --accent: #f59e0b;
  --deep: #0f1e35;
  --bg: #f4f6fb;
  --bg-alt: #e9edf6;
  --text: #1a2233;
  --text-weak: #5a6a85;
  --border: #e2e8f2;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(15, 30, 53, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 30, 53, 0.1);
  --transition: all 0.3s ease;
}
/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.logo {
  font-size: 23px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: baseline;
  white-space: nowrap;
}
.logo-sub {
  font-size: 13px;
  font-weight: 600;
  color: var(--deep);
  margin-left: 6px;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 6px; flex: 1; }
.nav-right { justify-content: flex-end; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.nav-link:hover { background: var(--bg-alt); color: var(--primary); }
.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(43, 68, 224, 0.28);
}
.nav-toggle { display: none; font-size: 22px; color: var(--deep); padding: 8px; border-radius: 8px; }
.mobile-nav { display: none; padding: 12px 24px 20px; background: #fff; border-top: 1px solid var(--border); }
.mobile-nav.open { display: block; }
.mobile-nav .nav-link { display: block; padding: 12px 16px; border-radius: 10px; margin-bottom: 6px; }
.mobile-nav .nav-link.active { background: var(--primary); color: #fff; }

/* ============ 分类 Hero ============ */
.cat-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 92px 0 76px;
  color: #fff;
  overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15,30,53,0.92) 0%, rgba(15,30,53,0.62) 55%, rgba(15,30,53,0.25) 100%);
}
.cat-hero .container { position: relative; z-index: 1; }
.cat-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  padding: 6px 16px;
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  margin-bottom: 22px;
}
.cat-breadcrumb i { font-size: 11px; opacity: 0.7; }
.cat-breadcrumb a:hover { color: #fff; }
.cat-hero h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.cat-hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.cat-hero .lead {
  font-size: 17px;
  max-width: 660px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 26px;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tag {
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}
.hero-tag:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-stat b { display: block; font-size: 26px; font-weight: 800; color: var(--accent); }
.hero-stat span { font-size: 13px; color: rgba(255,255,255,0.65); }

/* ============ 标签筛选 ============ */
.filter-bar { margin-top: -32px; position: relative; z-index: 10; }
.filter-inner {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  background: var(--bg-alt);
  transition: var(--transition);
}
.filter-btn i { margin-right: 4px; font-size: 12px; }
.filter-btn:hover { color: var(--primary); background: #e8edfd; }
.filter-btn.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(43,68,224,0.28); }

/* ============ 板块标题 ============ */
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .eyebrow {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: #e8edfd;
  margin-bottom: 12px;
}
.section-head h2 { font-size: 30px; font-weight: 800; color: var(--deep); letter-spacing: -0.5px; }
.section-head p { color: var(--text-weak); margin-top: 8px; font-size: 15px; }

/* ============ 内容卡片 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.content-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.content-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-thumb { position: relative; height: 178px; overflow: hidden; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.content-card:hover .card-thumb img { transform: scale(1.07); }
.card-thumb .badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: rgba(255,255,255,0.92); color: var(--primary); backdrop-filter: blur(4px);
}
.card-thumb .duration {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(15,30,53,0.72); color: #fff;
  font-size: 12px; padding: 2px 10px; border-radius: 999px; backdrop-filter: blur(4px);
}
.card-body { padding: 22px 22px 18px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--deep); transition: var(--transition); }
.content-card:hover .card-body h3 { color: var(--primary); }
.card-body p {
  font-size: 14px; color: var(--text-weak); margin-bottom: 14px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); padding-top: 14px;
}
.card-meta .author { font-size: 13px; color: var(--text-weak); display: flex; align-items: center; gap: 6px; }
.card-meta .read-more { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.card-meta .read-more:hover { gap: 8px; }

/* ============ 热门榜单 ============ */
.popular-section { background: var(--deep); color: #fff; }
.popular-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 52px; align-items: center; }
.popular-list h2 { font-size: 28px; font-weight: 800; }
.popular-list > p { color: rgba(255,255,255,0.6); margin: 4px 0 28px; font-size: 15px; }
.rank-list { list-style: none; counter-reset: rank; }
.rank-list li {
  counter-increment: rank;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.09);
  transition: var(--transition);
}
.rank-list li:last-child { border-bottom: none; }
.rank-list li:hover { padding-left: 8px; }
.rank-list li::before {
  content: counter(rank, decimal-leading-zero);
  font-size: 14px; font-weight: 800;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: var(--accent);
  flex-shrink: 0;
}
.rank-list li:nth-child(-n+3)::before { background: var(--accent); color: #fff; }
.rank-list a { font-size: 15px; font-weight: 600; color: rgba(255,255,255,0.9); line-height: 1.5; }
.rank-list a:hover { color: var(--accent); }
.rank-list .rank-tag { margin-left: auto; font-size: 12px; color: rgba(255,255,255,0.45); flex-shrink: 0; }
.popular-feature {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 390px; box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}
.popular-feature img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.feature-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15,30,53,0.95) 0%, rgba(15,30,53,0.18) 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 30px;
}
.feature-overlay .tag {
  display: inline-block; width: fit-content;
  background: var(--accent); color: #fff;
  font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; margin-bottom: 12px;
}
.feature-overlay h3 { font-size: 20px; font-weight: 700; line-height: 1.4; margin-bottom: 6px; }
.feature-overlay p { font-size: 14px; color: rgba(255,255,255,0.75); }
.feature-btn {
  margin-top: 16px;
  display: inline-flex; align-items: center; gap: 6px;
  width: fit-content;
  padding: 8px 20px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px;
  font-size: 13px; font-weight: 600; color: #fff;
  transition: var(--transition);
}
.feature-btn:hover { background: var(--accent); border-color: var(--accent); }

/* ============ 登录流程 ============ */
.steps-section { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 30px 20px 26px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.step-card::after {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%; right: -17px;
  transform: translateY(-50%);
  color: #c3cddf;
  font-size: 18px;
  z-index: 2;
}
.steps-grid .step-card:last-child::after { display: none; }
.step-card:hover { background: var(--primary); color: #fff; transform: translateY(-5px); box-shadow: 0 14px 34px rgba(43,68,224,0.26); border-color: transparent; }
.step-num {
  width: 50px; height: 50px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
  background: #dbe3fb; color: var(--primary);
  margin: 0 auto 16px;
  transition: var(--transition);
}
.step-card:hover .step-num { background: #fff; color: var(--primary); }
.step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.step-card p { font-size: 13px; color: var(--text-weak); transition: var(--transition); }
.step-card:hover p { color: rgba(255,255,255,0.82); }
.step-card:hover::after { color: rgba(255,255,255,0.4); }
.steps-tip {
  margin-top: 36px;
  text-align: center;
  font-size: 14px;
  color: var(--text-weak);
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 16px 20px;
}
.steps-tip i { color: var(--accent); margin-right: 6px; }

/* ============ 详细指南列表 ============ */
.guide-section { background: var(--bg-alt); }
.guide-list { display: flex; flex-direction: column; gap: 14px; max-width: 900px; margin: 0 auto; }
.guide-item {
  display: flex; align-items: center; gap: 18px;
  background: #fff;
  border-radius: 14px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.guide-item:hover { box-shadow: var(--shadow); border-color: var(--primary-light); transform: translateX(6px); }
.guide-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: #eef2ff; color: var(--primary);
  font-size: 18px; flex-shrink: 0;
}
.guide-text { flex: 1; }
.guide-text h3 { font-size: 15px; font-weight: 700; color: var(--deep); }
.guide-text p { font-size: 13px; color: var(--text-weak); margin-top: 2px; }
.guide-arrow { color: #b0bccc; font-size: 14px; flex-shrink: 0; }
.guide-item:hover .guide-arrow { color: var(--primary); transform: translateX(4px); }

/* ============ FAQ ============ */
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow); }
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px; font-weight: 700; color: var(--deep);
  cursor: pointer;
  display: flex; align-items: center; gap: 12px;
  list-style: none;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: auto;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { color: var(--primary); }
.faq-answer { padding: 0 24px 20px; color: var(--text-weak); font-size: 14px; }
.faq-answer-inner { border-top: 1px dashed var(--border); padding-top: 14px; }

/* ============ CTA ============ */
.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover; background-position: center;
  padding: 84px 0;
  color: #fff;
  text-align: center;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15,30,53,0.78); }
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.82); margin-bottom: 30px; font-size: 16px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  background: var(--accent); color: #fff;
  font-weight: 700; font-size: 16px;
  box-shadow: 0 8px 24px rgba(245,158,11,0.35);
  transition: var(--transition);
}
.btn-primary:hover { background: #e6970a; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245,158,11,0.48); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.55);
  color: #fff; font-weight: 600; font-size: 15px;
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============ 页脚 ============ */
.site-footer { background: #0f1e35; color: rgba(255,255,255,0.7); padding-top: 56px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-logo { display: block; font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; letter-spacing: -0.3px; }
.footer-logo span { color: var(--accent); }
.site-footer .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; position: relative; padding-bottom: 8px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-col a { display: block; font-size: 14px; padding: 6px 0; color: rgba(255,255,255,0.65); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .popular-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid .step-card:nth-child(2)::after { display: none; }
}

@media (max-width: 768px) {
  .header-inner { height: 62px; }
  .logo { font-size: 20px; }
  .logo-sub { font-size: 12px; }
  .nav-left, .nav-right { display: none; }
  .nav-toggle { display: block; order: 3; }
  .cat-hero { padding: 64px 0 56px; }
  .cat-hero h1 { font-size: 30px; }
  .section { padding: 52px 0; }
  .section-head h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .card-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid .step-card::after { display: none; }
  .filter-inner { padding: 14px 16px; }
  .cat-hero h1 { font-size: 26px; }
  .cat-hero .lead { font-size: 15px; }
  .popular-feature { min-height: 280px; }
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 22px; }
  .guide-item { flex-wrap: wrap; gap: 12px; }
  .guide-text { min-width: calc(100% - 70px); }
  .section-head h2 { font-size: 22px; }
}

/* roulang page: article */
:root{
  --primary:#16233a;
  --primary-light:#1e2e4d;
  --primary-dark:#0f1a2e;
  --accent:#c9a44a;
  --accent-light:#e5cf94;
  --accent-dark:#a8842e;
  --bg:#f7f6f2;
  --surface:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e8ebf0;
  --radius:16px;
  --radius-btn:10px;
  --shadow:0 4px 20px rgba(15,23,42,.08);
  --shadow-hover:0 12px 36px rgba(15,23,42,.14);
  --transition:.25s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .25s ease}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit;outline:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}
@media(max-width:640px){.container{padding:0 1rem}}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(15,23,42,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s ease;
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 1.5rem;
  height:72px;display:flex;align-items:center;
  justify-content:space-between;gap:2rem;
}
.logo{
  font-size:1.4rem;font-weight:800;color:#fff;
  letter-spacing:.02em;white-space:nowrap;
  display:inline-flex;align-items:center;gap:.5rem;
  text-decoration:none;transition:opacity .2s;
}
.logo:hover{opacity:.85}
.logo i{color:var(--accent);font-size:1.2rem}
.nav-left,.nav-right{display:flex;align-items:center;gap:.4rem;flex:1}
.nav-right{justify-content:flex-end}
.nav-link{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.55rem 1.1rem;border-radius:8px;
  color:#cbd5e1;font-weight:500;font-size:.95rem;
  transition:all var(--transition);text-decoration:none;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{
  color:#fff;background:rgba(201,164,74,.16);
  box-shadow:inset 0 0 0 1px rgba(201,164,74,.32);
}
.nav-link i{font-size:.85rem}
.mobile-menu-btn{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:8px;
  align-items:center;justify-content:center;gap:5px;flex-direction:column;
}
.mobile-menu-btn span{
  display:block;width:20px;height:2px;background:#e2e8f0;
  border-radius:2px;transition:all .3s ease;
}
.mobile-menu-btn:hover{background:rgba(255,255,255,.06)}
.mobile-menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-menu-btn.open span:nth-child(2){opacity:0}
.mobile-menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;top:72px;left:0;right:0;z-index:99;
  background:#111c30;border-bottom:1px solid rgba(255,255,255,.06);
  padding:1rem 1.5rem 1.25rem;box-shadow:0 20px 40px rgba(0,0,0,.2);
}
.mobile-menu.open{display:block}
.mobile-link{
  display:flex;align-items:center;gap:.5rem;padding:.8rem 1rem;
  color:#cbd5e1;font-weight:500;border-radius:8px;
  transition:all .2s;text-decoration:none;
}
.mobile-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.mobile-link.active{color:#fff;background:rgba(201,164,74,.16);box-shadow:inset 0 0 0 1px rgba(201,164,74,.3)}

.breadcrumb-section{
  padding:110px 0 0;background:linear-gradient(180deg,#0f1a2e 0%,#1e2e4d 100%);
  position:relative;
}
.breadcrumb-section::before{
  content:'';position:absolute;top:0;left:0;right:0;height:100%;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.15;
}
.breadcrumb-box{
  position:relative;padding:2.5rem 0 2rem;
  display:flex;flex-direction:column;gap:.75rem;
}
.breadcrumb{
  display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;
  color:#94a3b8;font-size:.9rem;
}
.breadcrumb a{color:#94a3b8;transition:color .2s;text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#475569;font-size:.7rem}
.breadcrumb .current{color:var(--accent-light);font-weight:500;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(201,164,74,.15);border:1px solid rgba(201,164,74,.3);
  color:var(--accent-light);font-size:.8rem;font-weight:600;
  padding:.35rem 1rem;border-radius:50px;letter-spacing:.02em;
  width:fit-content;
}
.page-kicker i{font-size:.75rem}

.article-main{padding:3rem 0 0}
.article-card{
  background:var(--surface);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border);
  padding:3rem clamp(1.5rem,4vw,3.5rem);
  max-width:900px;margin:0 auto;
}
.article-header{margin-bottom:2rem}
.article-badge{
  display:inline-flex;align-items:center;gap:.4rem;
  background:rgba(201,164,74,.12);color:var(--accent-dark);
  font-size:.78rem;font-weight:600;padding:.3rem 1rem;
  border-radius:50px;text-transform:uppercase;letter-spacing:.04em;
}
.article-badge i{font-size:.7rem}
.article-header h1{
  font-size:clamp(1.6rem,3.5vw,2.4rem);
  line-height:1.35;font-weight:800;color:var(--primary-dark);
  margin:1rem 0 1.25rem;letter-spacing:-.01em;
}
.article-meta{
  display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;
  color:var(--muted);font-size:.88rem;padding-bottom:1.5rem;
  border-bottom:1px solid var(--border);
}
.article-meta span{display:inline-flex;align-items:center;gap:.45rem}
.article-meta i{color:var(--accent);font-size:.8rem}
.article-lead{
  font-size:1.06rem;line-height:1.9;color:#475569;
  padding:1.5rem 0 0.5rem;font-weight:500;
  border-left:3px solid var(--accent);padding-left:1.25rem;
  margin:1.75rem 0;
  background:linear-gradient(90deg,rgba(201,164,74,.05),transparent);
}
.article-content{
  font-size:1.02rem;line-height:1.9;color:#2d3748;
}
.article-content p{margin-bottom:1.4rem}
.article-content h2{
  font-size:1.45rem;font-weight:700;color:var(--primary);
  margin:2.2rem 0 1rem;padding-bottom:.6rem;
  border-bottom:2px solid #f1f1f4;
}
.article-content h3{
  font-size:1.2rem;font-weight:600;color:var(--primary-light);
  margin:1.8rem 0 .8rem;
}
.article-content ul,.article-content ol{
  margin:0 0 1.5rem 1.4rem;padding:0;
}
.article-content ul li,.article-content ol li{margin-bottom:.5rem}
.article-content ul li::marker{color:var(--accent)}
.article-content ol li::marker{color:var(--accent-dark);font-weight:600}
.article-content a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:2px;transition:color .2s}
.article-content a:hover{color:var(--accent)}
.article-content blockquote{
  border-left:4px solid var(--accent);background:#f9f6ef;
  padding:1.25rem 1.5rem;margin:1.75rem 0;border-radius:0 10px 10px 0;
  color:#475569;font-style:italic;
}
.article-content img{border-radius:12px;margin:1.5rem 0;box-shadow:var(--shadow)}
.article-content code{
  background:#f1f5f9;padding:.15rem .45rem;border-radius:6px;
  font-size:.9em;color:#0f1a2e;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-content pre{
  background:#0f1a2e;color:#e2e8f0;padding:1.25rem;border-radius:12px;
  overflow-x:auto;margin-bottom:1.5rem;font-size:.92rem;line-height:1.7;
}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-footer{
  margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;
}
.article-tags{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.article-tags .tag{
  display:inline-flex;align-items:center;gap:.3rem;
  background:#f1f5f9;color:#475569;font-size:.8rem;
  padding:.3rem .75rem;border-radius:50px;transition:all .2s;
  text-decoration:none;
}
.article-tags .tag:hover{background:rgba(201,164,74,.15);color:var(--accent-dark)}
.article-tags .tag i{font-size:.7rem;color:var(--accent)}
.share-btns{display:flex;align-items:center;gap:.4rem}
.share-btns .share-btn{
  width:36px;height:36px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;color:#fff;
  font-size:.85rem;transition:all .2s;text-decoration:none;
}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.weibo-red{background:#ff8200}
.share-btn:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(0,0,0,.15)}

.related-section{padding:3.5rem 0}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}
.section-title{font-size:1.5rem;font-weight:800;color:var(--primary-dark);letter-spacing:-.01em}
.section-title i{color:var(--accent);margin-right:.5rem;font-size:1.2rem}
.section-more{display:inline-flex;align-items:center;gap:.5rem;color:var(--accent-dark);font-size:.9rem;font-weight:600;transition:all .2s;text-decoration:none}
.section-more:hover{color:var(--accent);gap:.75rem}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.related-card{
  background:var(--surface);border-radius:var(--radius);
  border:1px solid var(--border);overflow:hidden;
  box-shadow:var(--shadow);transition:all .3s ease;
  display:flex;flex-direction:column;
}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.related-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-cover img{transform:scale(1.05)}
.related-cover .cover-tag{
  position:absolute;top:.75rem;left:.75rem;
  background:rgba(15,23,42,.78);color:#e5cf94;font-size:.72rem;
  padding:.25rem .75rem;border-radius:50px;font-weight:600;
  backdrop-filter:blur(6px);
}
.related-body{padding:1.25rem 1.25rem 1.4rem;display:flex;flex-direction:column;flex:1}
.related-body h3{font-size:1.02rem;font-weight:700;color:var(--primary-dark);line-height:1.5;margin-bottom:.6rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3rem}
.related-body h3 a{text-decoration:none;transition:color .2s}
.related-body h3 a:hover{color:var(--accent-dark)}
.related-body p{font-size:.85rem;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:.75rem}
.related-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.78rem;color:#94a3b8}
.related-foot .category{color:var(--accent-dark);font-weight:600}

.cta-section{padding:3.5rem 0 4.5rem}
.cta-box{
  background:linear-gradient(135deg,#0f1a2e 0%,#1e2e4d 100%);
  border-radius:20px;padding:clamp(2rem,5vw,3.5rem);
  position:relative;overflow:hidden;
  box-shadow:0 20px 50px rgba(15,23,42,.25);
}
.cta-box::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.12;
}
.cta-box::after{
  content:'';position:absolute;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,164,74,.15),transparent 70%);
  top:-100px;right:-100px;
}
.cta-content{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-left{max-width:560px}
.cta-left h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;color:#fff;line-height:1.4;margin-bottom:.75rem}
.cta-left p{color:#94a3b8;font-size:.95rem;line-height:1.7}
.cta-right{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:.6rem;
  background:linear-gradient(135deg,#c9a44a,#a8842e);
  color:#fff;font-weight:700;font-size:.95rem;
  padding:.8rem 1.8rem;border-radius:var(--radius-btn);
  border:none;cursor:pointer;transition:all .3s ease;
  box-shadow:0 6px 20px rgba(201,164,74,.3);
  text-decoration:none;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(201,164,74,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus{outline:3px solid rgba(201,164,74,.35);outline-offset:2px}
.btn-outline{
  display:inline-flex;align-items:center;gap:.6rem;
  background:transparent;color:#e2e8f0;font-weight:600;font-size:.95rem;
  padding:.8rem 1.8rem;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.25);cursor:pointer;
  transition:all .3s ease;text-decoration:none;
}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4)}
.btn-outline:focus{outline:3px solid rgba(255,255,255,.2);outline-offset:2px}

.empty-state{
  text-align:center;padding:5rem 1.5rem;max-width:520px;margin:0 auto;
}
.empty-icon{
  width:80px;height:80px;border-radius:50%;margin:0 auto 1.5rem;
  background:rgba(201,164,74,.12);display:flex;align-items:center;justify-content:center;
}
.empty-icon i{font-size:2rem;color:var(--accent-dark)}
.empty-state h2{font-size:1.6rem;font-weight:800;color:var(--primary-dark);margin-bottom:.75rem}
.empty-state p{color:var(--muted);margin-bottom:2rem}

.site-footer{background:#0f1a2e;color:#94a3b8;padding:3.5rem 0 0}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:2.5rem;padding-bottom:2.5rem;
}
.footer-logo{
  font-size:1.3rem;font-weight:800;color:#fff;
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;
}
.footer-logo i{color:var(--accent)}
.footer-brand p{margin-top:1rem;font-size:.9rem;line-height:1.75;color:#64748b;max-width:320px}
.footer-col h4{
  font-size:1rem;font-weight:600;color:#fff;
  margin-bottom:1rem;position:relative;padding-bottom:.5rem;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;
  width:24px;height:2px;background:var(--accent);border-radius:2px;
}
.footer-col a{
  display:block;padding:.3rem 0;color:#94a3b8;font-size:.88rem;
  transition:color .2s,transform .2s;text-decoration:none;
}
.footer-col a:hover{color:var(--accent);transform:translateX(4px)}
.col-contact span{
  display:flex;align-items:center;gap:.5rem;padding:.3rem 0;
  font-size:.88rem;color:#94a3b8;
}
.col-contact i{color:var(--accent);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:1.25rem 0;
}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:.5rem;
}
.footer-bottom p{font-size:.82rem;color:#64748b}

@media(max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:768px){
  .nav-left .nav-link{padding:.5rem .8rem;font-size:.88rem}
  .mobile-menu-btn{display:flex}
  .nav-right{display:none}
  .article-card{padding:1.75rem}
  .article-header h1{font-size:1.4rem}
  .article-meta{gap:1rem;font-size:.82rem}
  .cta-content{flex-direction:column;text-align:center}
  .cta-right{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:1.5rem}
  .article-meta{flex-direction:column;align-items:flex-start;gap:.5rem}
  .article-content{font-size:.95rem}
  .breadcrumb .current{max-width:160px}
  .footer-bottom .container{flex-direction:column;text-align:center;gap:.3rem}
  .header-inner{padding:0 1rem;height:64px}
  .logo{font-size:1.1rem}
  .mobile-menu{top:64px}
  .breadcrumb-section{padding-top:90px}
}