/* roulang page: index */
:root {
  --primary: #0b3550;
  --primary-dark: #08293e;
  --primary-600: #0d4266;
  --primary-700: #0a3754;
  --primary-800: #072a42;
  --primary-light: #2a6a8a;
  --primary-soft: #e8f0f4;
  --accent: #d4a24c;
  --accent-dark: #c1903a;
  --accent-light: #e5bd74;
  --accent-soft: #fcf4e8;
  --bg: #f6f8fa;
  --bg-white: #ffffff;
  --bg-muted: #eef2f6;
  --text: #1f2937;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow: 0 6px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.08);
  --transition: all 0.25s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button:focus, input:focus { outline: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 24px; }

.section { padding: 96px 0; }
.section-alt { background: var(--bg-white); }
.section-heading { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.section-eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--accent); letter-spacing: 0.08em; padding: 6px 16px; border-radius: 100px; background: var(--accent-soft); margin-bottom: 16px; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 700; line-height: 1.25; color: var(--text); margin: 0 0 16px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 18px; color: var(--text-muted); margin: 0; }

/* 导航 */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.nav-logo { font-size: 21px; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 10px; letter-spacing: -0.02em; }
.nav-logo i { color: var(--accent); font-size: 24px; }
.nav-logo:hover { color: var(--primary); }
.nav-menu { display: flex; align-items: center; gap: 36px; }
.nav-link-custom { font-size: 15px; font-weight: 500; color: var(--text-muted); padding: 8px 0; border-bottom: 2px solid transparent; transition: var(--transition); }
.nav-link-custom:hover { color: var(--primary); border-bottom-color: var(--accent); }
.nav-link-custom.active { color: var(--primary); border-bottom-color: var(--accent); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.command-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-muted);
  border: 1px solid transparent;
  border-radius: 100px;
  padding: 8px 16px;
  min-width: 220px;
  transition: var(--transition);
}
.command-search:hover, .command-search:focus-within { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(212,162,76,.1); }
.command-search i { color: var(--text-light); font-size: 14px; }
.command-search input { border: none; background: transparent; font-size: 14px; outline: none; color: var(--text); flex: 1; }
.command-search input::placeholder { color: var(--text-light); }
.search-kbd { font-size: 11px; color: var(--text-light); background: var(--bg-white); border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px; line-height: 1.4; }
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(193,144,58,.25);
}
.btn-accent:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(193,144,58,.32); }
.btn-outline-primary-custom {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  border-radius: 100px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  transition: var(--transition);
}
.btn-outline-primary-custom:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.navbar-toggler-custom { border: none; background: transparent; color: var(--primary); font-size: 24px; }

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11,53,80,.94) 0%, rgba(8,41,62,.88) 60%, rgba(10,66,102,.85) 100%), url('/assets/images/backpic/back-1.png') center/cover;
  color: #fff;
  padding: 130px 0 120px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(212,162,76,.3) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: 100px; padding: 8px 18px; font-size: 14px; letter-spacing: .04em; margin-bottom: 28px; backdrop-filter: blur(8px); }
.hero-badge i { color: var(--accent); }
.hero-title { font-size: clamp(36px, 5vw, 56px); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 24px; }
.hero-title span { color: var(--accent-light); }
.hero-subtitle { font-size: 18px; line-height: 1.8; color: rgba(255,255,255,.82); margin-bottom: 40px; max-width: 620px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-light-accent {
  display: inline-block;
  background: #fff;
  color: var(--primary);
  border-radius: 100px;
  padding: 13px 32px;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.btn-light-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.16); color: var(--primary); }
.btn-ghost-light {
  display: inline-block;
  border: 1.5px solid rgba(255,255,255,.6);
  color: #fff;
  border-radius: 100px;
  padding: 13px 32px;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.1); color: #fff; transform: translateY(-2px); }

/* 信任条 */
.trust-bar { background: var(--bg-white); border-bottom: 1px solid var(--border); padding: 32px 0; }
.trust-list { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; text-align: center; }
.trust-item { display: flex; align-items: center; gap: 12px; color: var(--text-muted); font-size: 14px; font-weight: 600; }
.trust-item i { color: var(--accent); font-size: 22px; }

/* 核心说明 */
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent);
  background: var(--accent-soft);
  margin-bottom: 24px;
}
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.feature-card p { color: var(--text-muted); font-size: 15px; line-height: 1.75; margin-bottom: 0; }

/* 分类入口 */
.category-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-card .cat-img { position: relative; height: 240px; overflow: hidden; }
.category-card .cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.category-card:hover .cat-img img { transform: scale(1.05); }
.category-card .cat-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(11,53,80,.35) 100%); }
.category-card .cat-body { padding: 28px 28px 36px; }
.category-card .cat-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 100px; padding: 4px 14px; margin-bottom: 12px; }
.category-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.category-card p { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }
.category-card .cat-link { font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }
.category-card .cat-link i { transition: transform .3s ease; }
.category-card:hover .cat-link i { transform: translateX(4px); }

/* 最新信息 */
.latest-section { background: var(--bg-white); }
.latest-list { display: flex; flex-direction: column; gap: 0; }
.latest-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 8px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  border-radius: var(--radius-sm);
}
.latest-item:first-child { padding-top: 8px; }
.latest-item:last-child { border-bottom: none; }
.latest-item:hover { background: var(--bg-muted); padding-left: 16px; padding-right: 16px; }
.latest-item .latest-main { display: flex; align-items: center; gap: 20px; flex: 1; }
.latest-item .latest-date { font-size: 13px; color: var(--text-light); white-space: nowrap; }
.latest-item h3 { font-size: 17px; font-weight: 600; margin: 0 0 6px; }
.latest-item h3 a { color: var(--text); }
.latest-item h3 a:hover { color: var(--primary); }
.latest-item p { color: var(--text-muted); font-size: 14px; margin: 0; max-width: 560px; }
.latest-item .latest-cat { display: inline-block; font-size: 12px; font-weight: 600; color: var(--primary); background: var(--primary-soft); border-radius: 100px; padding: 3px 10px; margin-right: 8px; }

/* 数据统计 */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-800) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212,162,76,.25) 0%, transparent 70%);
  border-radius: 50%;
}
.stat-item { text-align: center; color: #fff; padding: 24px; }
.stat-number { font-size: 52px; font-weight: 800; color: var(--accent-light); line-height: 1.2; letter-spacing: -.03em; }
.stat-label { font-size: 15px; color: rgba(255,255,255,.85); margin-top: 8px; letter-spacing: .04em; }

/* 服务流程 */
.process-step { position: relative; padding: 24px 20px; text-align: center; }
.process-step::before {
  content: '';
  position: absolute;
  top: 60px;
  left: calc(50% + 40px);
  width: calc(100% - 80px);
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 16px);
}
.process-step:last-child::before { display: none; }
.step-dot {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 0 0 8px rgba(212,162,76,.12);
}
.process-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.process-step p { color: var(--text-muted); font-size: 14px; margin-bottom: 0; }

/* FAQ */
.accordion-custom .accordion-item { border: 1px solid var(--border); border-radius: var(--radius) !important; overflow: hidden; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.accordion-custom .accordion-button { font-size: 16px; font-weight: 600; color: var(--text); padding: 20px 24px; background: var(--bg-white); transition: var(--transition); }
.accordion-custom .accordion-button:not(.collapsed) { color: var(--primary); background: var(--primary-soft); box-shadow: none; }
.accordion-custom .accordion-button:focus { box-shadow: 0 0 0 4px rgba(212,162,76,.15); }
.accordion-custom .accordion-body { padding: 20px 24px; color: var(--text-muted); font-size: 15px; line-height: 1.8; background: var(--bg-white); }

/* CTA */
.cta-section { background: var(--bg-white); }
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-700) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 64px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(212,162,76,.35) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-box h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.cta-box p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 28px; max-width: 520px; }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.7); padding: 80px 0 32px; }
.footer-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-brand i { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.8; margin-bottom: 24px; max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.65); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.5); }

@media (max-width: 1024px) {
  .command-search { min-width: 160px; }
  .hero { padding: 100px 0; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .site-header .container { height: auto; padding: 12px 24px; flex-wrap: wrap; gap: 8px; }
  .nav-menu { gap: 16px; }
  .nav-right { width: 100%; flex-direction: column; align-items: stretch; gap: 12px; }
  .command-search { width: 100%; min-width: 0; }
  .hero { padding: 80px 0; text-align: center; }
  .hero-content { margin: 0 auto; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .trust-list { gap: 16px; }
  .latest-item { flex-direction: column; align-items: flex-start; gap: 8px; padding: 20px 8px; }
  .latest-item .latest-date { align-self: flex-end; }
  .stat-number { font-size: 36px; }
  .cta-box { padding: 40px 24px; text-align: center; }
  .cta-box p { margin-left: auto; margin-right: auto; }
  .process-step::before { display: none; }
}

@media (max-width: 576px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .feature-card { padding: 28px 20px; }
  .stats-section { padding: 64px 0; }
  .site-footer { padding-top: 56px; }
}

/* roulang page: category1 */
:root {
  --primary: #0f2b46;
  --primary-light: #1d4370;
  --accent: #c9a962;
  --accent-dark: #b08c3f;
  --bg-light: #f4f6fb;
  --bg-white: #ffffff;
  --text-dark: #1a2332;
  --text-body: #4a5a6a;
  --text-muted: #7c8ba0;
  --border-light: #e8ecf3;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 16px rgba(15, 43, 70, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 43, 70, 0.10);
  --shadow-lg: 0 24px 56px rgba(15, 43, 70, 0.16);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--text-body); background: var(--bg-white); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input:focus, button:focus, a:focus { outline: 2px solid rgba(201, 169, 98, 0.5); outline-offset: 2px; }
.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }

/* ===== Header / Nav ===== */
.site-header { position: sticky; top: 0; z-index: 1050; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-light); padding: 14px 0; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 12px; font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: 0.02em; }
.brand-logo .logo-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: #fff; font-size: 18px; box-shadow: var(--shadow-sm); }
.brand-logo:hover { color: var(--primary); }
.nav-menu { display: flex; gap: 6px; }
.nav-link-custom { padding: 9px 18px; border-radius: 50px; font-size: 0.95rem; font-weight: 500; color: var(--text-body); transition: var(--transition); }
.nav-link-custom:hover { background: var(--bg-light); color: var(--primary); }
.nav-link-custom.active { background: rgba(15, 43, 70, 0.08); color: var(--primary); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { position: relative; }
.search-box .search-input { width: 220px; padding: 8px 14px 8px 36px; border: 1px solid var(--border-light); border-radius: 50px; background: var(--bg-light); font-size: 0.85rem; color: var(--text-dark); transition: var(--transition); }
.search-box .search-input:focus { width: 260px; outline: none; background: #fff; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(201, 169, 98, 0.15); }
.search-box .search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.header-cta { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border: none; color: #fff; font-weight: 600; font-size: 0.9rem; padding: 9px 22px; border-radius: 50px; box-shadow: 0 4px 14px rgba(201, 169, 98, 0.35); transition: var(--transition); }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5); color: #fff; }
.navbar-toggler { width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border-light); color: var(--primary); font-size: 18px; display: inline-flex; align-items: center; justify-content: center; background: var(--bg-light); }
.mobile-menu { display: none; background: var(--bg-white); border-top: 1px solid var(--border-light); padding: 12px 24px 16px; }
.mobile-menu.open { display: block; }
.mobile-link { display: block; padding: 12px 16px; border-radius: var(--radius-sm); font-weight: 500; color: var(--text-body); }
.mobile-link:hover, .mobile-link.active { background: var(--bg-light); color: var(--primary); }

/* ===== Page Banner ===== */
.page-banner { position: relative; background: linear-gradient(135deg, rgba(15, 43, 70, 0.92) 0%, rgba(29, 67, 112, 0.85) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 96px 0 76px; color: #fff; }
.banner-inner { max-width: 720px; }
.banner-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.25); padding: 6px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.04em; margin-bottom: 20px; }
.page-banner h1 { font-size: 3rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 18px; color: #fff; }
.page-banner p.lead { font-size: 1.12rem; line-height: 1.8; color: rgba(255, 255, 255, 0.85); max-width: 620px; }
.banner-meta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; }
.banner-meta .meta-item { display: flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, 0.10); padding: 10px 18px; border-radius: 12px; font-size: 0.88rem; border: 1px solid rgba(255, 255, 255, 0.15); }
.banner-meta .meta-item i { color: var(--accent); }

/* ===== Section Common ===== */
.section-block { padding: 88px 0; }
.section-head { margin-bottom: 48px; }
.section-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent-dark); margin-bottom: 12px; }
.section-eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-title { font-size: 2.25rem; font-weight: 800; color: var(--primary); line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 14px; }
.section-sub { font-size: 1rem; color: var(--text-muted); max-width: 640px; line-height: 1.8; }

/* ===== Intro / About ===== */
.about-block { background: var(--bg-white); }
.about-image-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); height: 100%; min-height: 340px; }
.about-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.about-image-wrap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(15, 43, 70, 0.2) 100%); }
.about-content { padding-left: 16px; }
.about-content h2 { font-size: 1.7rem; font-weight: 700; color: var(--primary); line-height: 1.35; margin-bottom: 20px; }
.about-content .about-text { color: var(--text-body); line-height: 1.9; margin-bottom: 16px; }
.about-points { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-points .point { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; background: var(--bg-light); border-radius: var(--radius-md); border-left: 3px solid var(--accent); }
.about-points .point i { color: var(--accent-dark); font-size: 16px; margin-top: 3px; }

/* ===== Service Cards ===== */
.services-block { background: var(--bg-light); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card { background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(201, 169, 98, 0.4); }
.service-card .card-image { position: relative; height: 210px; overflow: hidden; }
.service-card .card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .card-image img { transform: scale(1.05); }
.service-card .card-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,43,70,0) 40%, rgba(15,43,70,0.35) 100%); }
.service-card .card-body { padding: 26px 24px 28px; }
.service-card .card-icon { display: inline-flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 14px; background: rgba(201, 169, 98, 0.15); color: var(--accent-dark); font-size: 20px; margin-top: -50px; position: relative; z-index: 2; box-shadow: var(--shadow-sm); }
.service-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin: 16px 0 10px; }
.service-card .card-text { font-size: 0.92rem; line-height: 1.8; color: var(--text-body); margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags .tag { display: inline-block; padding: 3px 12px; font-size: 0.78rem; border-radius: 50px; background: var(--bg-light); color: var(--text-muted); border: 1px solid var(--border-light); }

/* ===== Process ===== */
.process-block { background: var(--bg-white); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.process-item { text-align: center; padding: 32px 20px; border-radius: var(--radius-lg); background: var(--bg-light); border: 1px solid var(--border-light); transition: var(--transition); position: relative; }
.process-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); background: #fff; }
.process-step { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 700; box-shadow: 0 6px 18px rgba(15, 43, 70, 0.25); }
.process-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.process-item p { font-size: 0.88rem; line-height: 1.7; color: var(--text-muted); }
.process-line { position: absolute; top: 52px; right: -14px; width: 28px; height: 2px; background: linear-gradient(90deg, rgba(201,169,98,0.6), transparent); }

/* ===== Metrics ===== */
.metrics-block { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); position: relative; padding: 70px 0; }
.metrics-block::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.15; }
.metrics-block .container { position: relative; z-index: 2; }
.metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.metric-item { text-align: center; padding: 20px; }
.metric-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 10px; }
.metric-number .plus { font-size: 1.6rem; vertical-align: top; }
.metric-label { font-size: 0.95rem; color: rgba(255, 255, 255, 0.8); letter-spacing: 0.03em; }

/* ===== FAQ ===== */
.faq-block { background: var(--bg-light); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-md); border: 1px solid var(--border-light); padding: 26px 28px; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(201, 169, 98, 0.35); }
.faq-item h4 { display: flex; align-items: flex-start; gap: 14px; font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.faq-item h4 i { color: var(--accent); font-size: 18px; margin-top: 2px; flex-shrink: 0; }
.faq-item p { font-size: 0.92rem; line-height: 1.8; color: var(--text-body); margin: 0; }

/* ===== CTA ===== */
.cta-block { background: var(--bg-white); padding: 90px 0; }
.cta-wrap { background: linear-gradient(135deg, rgba(15,43,70,0.95) 0%, rgba(29,67,112,0.9) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat; border-radius: calc(var(--radius-lg) + 8px); padding: 64px 56px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-wrap::after { content: ""; position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(201, 169, 98, 0.15); }
.cta-wrap h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-wrap p { font-size: 1.05rem; color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; z-index: 2; }
.cta-actions .btn-cta-solid { padding: 13px 34px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; }
.cta-actions .btn-cta-solid { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(201, 169, 98, 0.4); transition: var(--transition); }
.cta-actions .btn-cta-solid:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(201, 169, 98, 0.6); color: #fff; }
.cta-actions .btn-cta-ghost { padding: 12px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: 2px solid rgba(255, 255, 255, 0.4); color: #fff; background: rgba(255, 255, 255, 0.08); transition: var(--transition); }
.cta-actions .btn-cta-ghost:hover { background: rgba(255, 255, 255, 0.18); border-color: #fff; transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer { background: var(--primary); color: rgba(255, 255, 255, 0.8); padding: 72px 0 0; }
.site-footer .footer-brand { font-size: 1.4rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.site-footer .footer-brand i { color: var(--accent); }
.footer-desc { font-size: 0.92rem; line-height: 1.85; color: rgba(255, 255, 255, 0.65); max-width: 360px; }
.footer-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.04em; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; font-size: 0.9rem; }
.footer-links a { color: rgba(255, 255, 255, 0.65); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); text-decoration: none; padding-left: 4px; }
.footer-links li i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 48px; padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 0.82rem; color: rgba(255, 255, 255, 0.45); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .about-content { padding-left: 0; margin-top: 32px; }
}
@media (max-width: 768px) {
  .page-banner { padding: 64px 0 48px; }
  .page-banner h1 { font-size: 2.1rem; }
  .section-block { padding: 60px 0; }
  .section-title { font-size: 1.7rem; }
  .service-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .process-line { display: none; }
  .metrics-row { grid-template-columns: 1fr 1fr; gap: 20px; }
  .metric-number { font-size: 2.2rem; }
  .cta-wrap { padding: 48px 24px; }
  .cta-wrap h2 { font-size: 1.5rem; }
  .about-points { grid-template-columns: 1fr; }
  .search-box { display: none !important; }
  .site-footer { padding-top: 56px; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .page-banner h1 { font-size: 1.75rem; }
  .page-banner p.lead { font-size: 0.95rem; }
  .banner-meta .meta-item { width: 100%; }
  .metrics-row { grid-template-columns: 1fr 1fr; }
  .metric-number { font-size: 1.8rem; }
  .process-grid { gap: 16px; }
  .faq-item { padding: 22px 20px; }
  .cta-actions .btn-cta-solid, .cta-actions .btn-cta-ghost { width: 100%; text-align: center; }
  .header-cta { display: none; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* roulang page: article */
:root {
  --primary: #0f2b46;
  --primary-light: #1a4d8c;
  --primary-lighter: #e8eef5;
  --accent: #b4895a;
  --accent-light: #f0e6d8;
  --bg-body: #f6f8fb;
  --bg-white: #ffffff;
  --text-body: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-xs: 0 1px 3px rgba(15, 43, 70, .05);
  --shadow-sm: 0 2px 10px rgba(15, 43, 70, .06);
  --shadow-md: 0 8px 30px rgba(15, 43, 70, .08);
  --shadow-lg: 0 20px 50px rgba(15, 43, 70, .12);
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: .25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-light); }
button { border: none; background: none; cursor: pointer; }
input:focus-visible,
button:focus-visible,
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.container { max-width: 1200px; }

h1, h2, h3, h4, h5, h6 { color: var(--primary); font-weight: 700; line-height: 1.4; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, .7);
  height: 72px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  width: 100%;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .5px;
  white-space: nowrap;
  transition: opacity .2s;
}

.brand-logo i {
  color: var(--accent);
  font-size: 1.4rem;
}

.brand-logo:hover { color: var(--primary); opacity: .85; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link-custom {
  position: relative;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 2px;
  white-space: nowrap;
  transition: color .2s, border-color .2s;
}

.nav-link-custom::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s ease;
}

.nav-link-custom:hover {
  color: var(--primary);
}

.nav-link-custom:hover::after {
  transform: scaleX(1);
}

.nav-link-custom.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link-custom.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 7px 16px;
  width: 220px;
  transition: all .3s;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(180, 137, 90, .15);
  background: #fff;
}

.search-box i {
  font-size: .85rem;
  color: var(--text-muted);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: .85rem;
  color: var(--text-body);
  width: 100%;
}

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

.mobile-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-body);
  color: var(--primary);
  font-size: 1.1rem;
  margin-left: auto;
  transition: background .2s;
}

.mobile-toggle:hover { background: var(--primary-lighter); }

.offcanvas { --bs-offcanvas-width: 300px; }

.offcanvas-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
}

.offcanvas-body {
  padding: 20px;
}

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

.mobile-nav .nav-link-custom {
  padding: 12px 8px;
  font-size: 1rem;
  border-radius: 8px;
  color: var(--text-muted);
}

.mobile-nav .nav-link-custom:hover {
  background: var(--bg-body);
  color: var(--primary);
}

.mobile-nav .nav-link-custom.active {
  background: var(--primary-lighter);
  color: var(--primary);
}

/* ===== 按钮 ===== */
.btn { border-radius: 50px; font-weight: 600; transition: all .25s ease; }

.btn-brand {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  padding: 10px 26px;
  font-size: .9rem;
  box-shadow: 0 4px 14px rgba(15, 43, 70, .2);
}

.btn-brand:hover,
.btn-brand:focus {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 43, 70, .3);
}

.btn-sm { padding: 6px 20px; font-size: .85rem; }

.btn-outline-brand {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  padding: 10px 26px;
  font-size: .9rem;
}

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

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 80px 0 70px;
  background-size: cover;
  background-position: center;
  background-color: var(--primary);
  color: #fff;
  margin-top: 0;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 43, 70, .93) 0%, rgba(15, 43, 70, .78) 50%, rgba(26, 77, 140, .55) 100%);
}

.article-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  transition: color .2s;
}

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

.breadcrumb-nav i {
  font-size: .7rem;
  opacity: .6;
}

.breadcrumb-nav .current { color: var(--accent); }

.article-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 20px;
  max-width: 880px;
  color: #fff;
}

.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: .9rem;
  color: rgba(255, 255, 255, .85);
}

.article-hero-meta i {
  margin-right: 6px;
  color: var(--accent);
}

.article-hero-meta span {
  display: inline-flex;
  align-items: center;
}

/* ===== 文章主体 ===== */
.article-body-section {
  padding: 80px 0 60px;
  background: var(--bg-body);
}

.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta i { color: var(--accent); }

/* 文章正文排版 */
.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-body);
}

.article-content p {
  margin-bottom: 1.6rem;
}

.article-content strong {
  color: var(--primary);
  font-weight: 700;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--primary);
  font-weight: 700;
  margin-top: 2.2rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.article-content h2 { font-size: 1.55rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content h4 { font-size: 1.1rem; }

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 1.5rem 0;
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.6rem;
}

.article-content ul li,
.article-content ol li {
  margin-bottom: .55rem;
}

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

.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-body);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.6rem 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6rem 0;
  font-size: .95rem;
}

.article-content table th,
.article-content table td {
  border: 1px solid var(--border-color);
  padding: .75rem 1rem;
  text-align: left;
}

.article-content table th {
  background: var(--bg-body);
  font-weight: 600;
  color: var(--primary);
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

.atricle-tags {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tag-label {
  font-size: .85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tag-link {
  display: inline-block;
  padding: 5px 14px;
  background: var(--bg-body);
  border-radius: 50px;
  font-size: .8rem;
  color: var(--text-muted);
  transition: all .2s;
}

.tag-link:hover {
  background: var(--primary);
  color: #fff;
}

.article-footer-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 侧边栏 ===== */
.article-sidebar { position: sticky; top: 100px; }

.sidebar-card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  margin-bottom: 24px;
  transition: box-shadow .3s;
}

.sidebar-card:hover {
  box-shadow: var(--shadow-md);
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-body);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-title i {
  color: var(--accent);
  font-size: 1rem;
}

.sidebar-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-body);
  border-radius: 50px;
  font-size: .8rem;
  color: var(--text-muted);
  transition: all .2s;
  cursor: pointer;
  border: 1px solid transparent;
}

.tag-item:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.sidebar-post {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
}

.sidebar-post:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-post img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.sidebar-post a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--text-body);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s;
}

.sidebar-post a:hover { color: var(--primary-light); }

.sidebar-post span {
  font-size: .75rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 70px 0 80px;
  background: #fff;
  border-top: 1px solid var(--border-color);
}

.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.section-head p {
  color: var(--text-muted);
  font-size: .95rem;
  max-width: 520px;
  margin: 16px auto 0;
}

.related-card {
  background: var(--bg-body);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s ease;
  height: 100%;
  border: 1px solid transparent;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-color);
  background: #fff;
}

.related-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.related-card-body {
  padding: 24px;
}

.related-card-body .badge-soft {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.related-card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.45;
}

.related-card-body p {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-body .post-date {
  font-size: .78rem;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0 80px;
  background: var(--bg-body);
}

.cta-card {
  background: linear-gradient(135deg, #0f2b46 0%, #142e4e 45%, #1a4d8c 100%);
  border-radius: var(--radius-xl);
  padding: 52px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 43, 70, .25);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(180, 137, 90, .2);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
  pointer-events: none;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-content p {
  color: rgba(255, 255, 255, .85);
  font-size: .95rem;
  margin: 0;
}

.cta-actions {
  display: flex;
  gap: 14px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

.btn-light {
  background: #fff;
  color: var(--primary);
  border: 1px solid #fff;
  padding: 11px 28px;
  border-radius: 50px;
  font-weight: 600;
  transition: all .25s;
}

.btn-light:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .6);
  padding: 11px 28px;
  border-radius: 50px;
  font-weight: 600;
  transition: all .25s;
}

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

/* ===== 文章未找到 ===== */
.notfound-section {
  padding: 100px 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.notfound-box {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  box-shadow: var(--shadow-md);
}

.notfound-box .icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  margin: 0 auto 20px;
}

.notfound-box h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.notfound-box p {
  color: var(--text-muted);
  font-size: .95rem;
  margin-bottom: 24px;
}

/* ===== Footer ===== */
.site-footer {
  background: #0c2238;
  color: rgba(255, 255, 255, .75);
  padding: 60px 0 0;
  border-top: 3px solid var(--accent);
}

.site-footer .row {
  margin-bottom: 30px;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand i {
  color: var(--accent);
}

.footer-desc {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 0;
  max-width: 320px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
  font-size: .88rem;
}

.footer-links a {
  color: rgba(255, 255, 255, .65);
  transition: all .2s;
}

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

.footer-links i {
  color: var(--accent);
  margin-right: 6px;
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .8rem;
  color: rgba(255, 255, 255, .45);
}

/* ===== 响应式断点 ===== */
@media (max-width: 991.98px) {
  .article-card { padding: 32px; }
  .cta-card { padding: 40px 36px; flex-direction: column; text-align: center; gap: 20px; }
  .cta-actions { justify-content: center; }
  .article-sidebar { position: static; margin-top: 32px; }
}

@media (max-width: 767.98px) {
  .article-hero { padding: 56px 0 44px; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-body-section { padding: 44px 0 36px; }
  .article-card { padding: 22px; border-radius: var(--radius-md); }
  .article-content { font-size: 1rem; line-height: 1.75; }
  .related-section { padding: 44px 0 50px; }
  .cta-section { padding: 44px 0 50px; }
  .cta-card { padding: 28px 22px; }
  .related-card img { height: 170px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .article-card { padding: 18px; }
  .article-content ul,
  .article-content ol { padding-left: 1.2rem; }
  .article-footer-nav { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
  .cta-actions .btn { width: auto; min-width: 140px; }
}