/* roulang page: index */
:root {
  --primary: #0E3B2E;
  --primary-dark: #0A2B21;
  --accent: #B48C3F;
  --accent-hover: #C69E52;
  --accent-active: #8F6F2F;
  --bg: #F6F4F0;
  --card-bg: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8A;
  --border: #E3DFD7;
  --success: #2E7D5B;
  --danger: #B3402A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(14, 59, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(14, 59, 46, 0.10);
  --transition: 0.3s ease;
  --container: 1200px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--primary); letter-spacing: 0.02em; position: relative; display: inline-block; padding-bottom: 16px; }
.section-head h2::after { content: ''; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: 60px; height: 3px; background: var(--accent); border-radius: 2px; }
.section-head p { margin-top: 14px; color: var(--text-secondary); font-size: 15px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  height: var(--header-h);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 20px; letter-spacing: 0.02em; }
.logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--accent), #8F6F2F); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--primary-dark); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-link { position: relative; color: rgba(255, 255, 255, 0.85); font-size: 15px; font-weight: 500; padding: 8px 2px; transition: color 0.2s; }
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; }
.nav-link.active::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 100%; height: 2px; background: var(--accent); border-radius: 2px; }
.nav-cta {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 24px; background: var(--accent); color: var(--primary-dark);
  font-size: 15px; font-weight: 600; border-radius: var(--radius-sm);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.nav-cta:hover { background: var(--accent-hover); color: var(--primary-dark); box-shadow: 0 4px 14px rgba(180, 140, 63, 0.35); transform: translateY(-1px); }
.nav-cta:active { background: var(--accent-active); transform: none; }
.nav-cta:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 2px; }
.hamburger { display: none; width: 44px; height: 44px; border-radius: 8px; align-items: center; justify-content: center; color: #fff; font-size: 20px; }
.hamburger:hover { background: rgba(255, 255, 255, 0.1); }
.mobile-menu {
  position: fixed; top: 0; right: -320px; width: 320px; height: 100vh;
  background: var(--primary-dark); z-index: 1100; padding: 24px; display: flex; flex-direction: column;
  transition: right 0.3s ease; box-shadow: -6px 0 30px rgba(0, 0, 0, 0.2);
}
.mobile-menu.open { right: 0; }
.mobile-menu-close { align-self: flex-end; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; border-radius: 8px; }
.mobile-menu-close:hover { background: rgba(255, 255, 255, 0.1); }
.mobile-menu-links { margin-top: 32px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.mobile-menu-links a { color: rgba(255, 255, 255, 0.9); font-size: 18px; line-height: 3; padding: 0 8px; border-radius: 6px; }
.mobile-menu-links a:hover, .mobile-menu-links a.active { background: rgba(255, 255, 255, 0.08); color: #fff; }
.mobile-menu-cta {
  display: flex; align-items: center; justify-content: center; width: 100%; height: 48px;
  background: var(--accent); color: var(--primary-dark); font-size: 16px; font-weight: 600;
  border-radius: 8px; margin-top: auto;
}
.mobile-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); z-index: 1050; opacity: 0; visibility: hidden; transition: all 0.3s; }
.mobile-overlay.active { opacity: 1; visibility: visible; }

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex; align-items: center; justify-content: center; text-align: center;
  background-image: linear-gradient(rgba(10, 43, 33, 0.78), rgba(10, 43, 33, 0.55)), url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center;
  padding: 80px 24px;
}
.hero-content { max-width: 860px; }
.hero h1 {
  font-size: 52px; font-weight: 800; color: #fff; line-height: 1.15;
  letter-spacing: 0.02em; margin-bottom: 20px;
}
.hero-sub {
  font-size: 20px; color: rgba(255, 255, 255, 0.85); font-weight: 400;
  margin-bottom: 36px; letter-spacing: 0.01em;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 32px; font-size: 16px; font-weight: 600;
  border-radius: 10px; transition: all 0.25s ease;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: var(--primary-dark); border: 1.5px solid var(--accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--primary-dark); box-shadow: 0 6px 16px rgba(180, 140, 63, 0.30); transform: translateY(-1px); }
.btn-primary:active { background: var(--accent-active); transform: none; }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.7); }
.btn-ghost:hover { background: #fff; color: var(--primary-dark); border-color: #fff; }
.trust-bar {
  margin-top: 52px; display: flex; gap: 28px; justify-content: center; flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.7); font-size: 13px; letter-spacing: 0.04em;
}
.trust-bar span { display: inline-flex; align-items: center; gap: 8px; }
.trust-bar i { color: var(--accent); }

/* Features */
.features-grid {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px;
}
.feature-card-wide {
  grid-column: span 12; background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr; transition: box-shadow 0.3s, transform 0.3s;
}
.feature-card-wide:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-card-wide-img { overflow: hidden; }
.feature-card-wide-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.feature-card-wide:hover .feature-card-wide-img img { transform: scale(1.02); }
.feature-card-wide-body { padding: 44px 40px; display: flex; flex-direction: column; justify-content: center; }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; background: rgba(180, 140, 63, 0.12);
  display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 20px; margin-bottom: 18px;
}
.feature-card-wide h3 { font-size: 22px; color: var(--primary); margin-bottom: 12px; font-weight: 600; }
.feature-card-wide p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
.feature-card {
  grid-column: span 6; background: var(--card-bg); border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow); padding: 36px 32px;
  transition: box-shadow 0.3s, transform 0.3s;
}
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-card h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

/* Showcase */
.showcase {
  background: var(--primary-dark);
  color: #fff;
}
.showcase-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.showcase-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.02em; }
.showcase-text > p { color: rgba(255, 255, 255, 0.75); font-size: 15px; line-height: 1.7; margin-bottom: 32px; }
.showcase-list { display: flex; flex-direction: column; gap: 20px; }
.showcase-item { display: flex; gap: 16px; align-items: flex-start; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 12px; padding: 20px 24px; }
.showcase-item-icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px; background: rgba(180, 140, 63, 0.2); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 16px; }
.showcase-item-body h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.showcase-item-body p { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.6; }
.showcase-img { border-radius: var(--radius); overflow: hidden; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3); }
.showcase-img img { width: 100%; height: 380px; object-fit: cover; }

/* News */
.news-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
.news-featured { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; transition: box-shadow 0.3s, transform 0.3s; }
.news-featured:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-featured-link { display: block; padding: 36px 32px; }
.card-badge {
  display: inline-block; padding: 5px 14px; background: rgba(180, 140, 63, 0.12);
  color: var(--primary); font-size: 13px; font-weight: 500; border-radius: 20px; margin-bottom: 16px;
}
.news-featured h3 { font-size: 24px; font-weight: 700; color: var(--primary); line-height: 1.35; margin-bottom: 12px; }
.news-featured p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; justify-content: space-between; color: var(--text-muted); font-size: 14px; }
.read-more { color: var(--primary); font-weight: 600; transition: color 0.2s; }
.read-more:hover { color: var(--accent); }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-row {
  display: flex; align-items: center; gap: 16px; background: var(--card-bg);
  border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow);
  padding: 20px 24px; transition: box-shadow 0.25s, transform 0.25s;
}
.news-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-tag { flex-shrink: 0; padding: 4px 12px; background: rgba(180, 140, 63, 0.1); color: var(--primary); font-size: 13px; border-radius: 20px; }
.news-row-title { flex: 1; font-size: 15px; font-weight: 500; color: var(--text); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-row-title:hover { color: var(--accent); }
.news-row-time { flex-shrink: 0; font-size: 13px; color: var(--text-muted); }
.news-empty {
  grid-column: 1 / -1; background: var(--card-bg); border-radius: var(--radius);
  border: 1px dashed var(--border); padding: 60px 24px; text-align: center; color: var(--text-muted);
}
.news-empty-icon { font-size: 40px; display: block; margin-bottom: 12px; }
.news-empty p { font-size: 15px; }

/* Stats */
.stats { background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-number { font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 6px; }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.testimonial-card { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 36px 32px; position: relative; transition: box-shadow 0.3s; }
.testimonial-card:hover { box-shadow: var(--shadow-hover); }
.testimonial-card .quote-icon { font-size: 28px; color: var(--accent); opacity: 0.5; margin-bottom: 16px; }
.testimonial-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.75; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-author .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; }
.testimonial-author .name { font-weight: 600; color: var(--text); font-size: 15px; }
.testimonial-author .role { font-size: 13px; color: var(--text-muted); }
.stars { color: var(--accent); font-size: 13px; margin-top: 4px; letter-spacing: 2px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 20px 8px; font-size: 16px; font-weight: 500; color: var(--text); text-align: left; transition: color 0.2s; }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 18px; color: var(--accent); transition: transform 0.25s ease; }
.faq-item.active .faq-question { color: var(--primary); }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 8px; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 8px 20px; }
.faq-answer p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

/* CTA Section */
.cta-section { background: var(--primary-dark); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 2px; background: var(--accent); }
.cta-content { text-align: center; padding: 80px 24px; }
.cta-content h2 { font-size: 32px; color: #fff; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.02em; }
.cta-content p { color: rgba(255, 255, 255, 0.7); font-size: 15px; margin-bottom: 32px; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-content .btn-primary { background: var(--accent); color: var(--primary-dark); border: 1.5px solid var(--accent); height: 52px; padding: 0 40px; font-size: 17px; }
.cta-content .btn-primary:hover { background: var(--accent-hover); }

/* Footer */
.footer { background: var(--primary); color: rgba(255, 255, 255, 0.75); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.6); max-width: 300px; }
.footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.65); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-hover); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: rgba(255, 255, 255, 0.65); }
.footer-contact i { width: 22px; color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255, 255, 255, 0.45); }

/* Mobile Bar */
.mobile-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; height: 60px; background: #fff; border-top: 1px solid var(--border); box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05); z-index: 1000; align-items: center; justify-content: space-between; padding: 0 16px; }
.mobile-bar-text { font-size: 13px; font-weight: 600; color: var(--primary); }
.mobile-bar a { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 20px; background: var(--primary); color: #fff; font-size: 14px; font-weight: 600; border-radius: 8px; }

/* Responsive */
@media (max-width: 992px) {
  .nav-links { gap: 24px; }
  .hero h1 { font-size: 38px; }
  .feature-card-wide-body { padding: 28px 24px; }
  .feature-card { grid-column: span 12; }
  .showcase-inner { grid-template-columns: 1fr; gap: 40px; }
  .news-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .feature-card-wide { grid-template-columns: 1fr; }
  .feature-card-wide-body { padding: 24px 20px; }
  .showcase-text h2 { font-size: 26px; }
  .showcase-img img { height: 260px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-content h2 { font-size: 26px; }
  .mobile-bar { display: flex; }
  body { padding-bottom: 60px; }
  .news-row { flex-wrap: wrap; gap: 8px; }
  .news-row-time { width: 100%; padding-left: 84px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-btns .btn { width: 100%; }
  .trust-bar { flex-direction: column; gap: 10px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 32px; }
}

/* roulang page: category1 */
:root {
  --primary: #0E3B2E;
  --primary-dark: #0A2B21;
  --accent: #B48C3F;
  --accent-light: #C69E52;
  --accent-dark: #8F6F2F;
  --bg: #F6F4F0;
  --bg-card: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8A;
  --border: #E3DFD7;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(14,59,46,0.06);
  --shadow-hover: 0 8px 24px rgba(14,59,46,0.10);
  --transition: 0.3s ease;
  --container: 1200px;
  --header-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;padding-bottom:60px}
@media(min-width:768px){body{padding-bottom:0}}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(180,140,63,0.12);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;letter-spacing:0.04em}
.section-head{margin-bottom:40px;text-align:center}
.section-head .section-tag{margin-bottom:12px}
.section-head h2{font-size:30px;font-weight:700;color:var(--primary);letter-spacing:0.02em;margin-top:12px;line-height:1.3}
@media(max-width:768px){.section-head h2{font-size:24px}}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--primary);box-shadow:0 2px 12px rgba(0,0,0,0.18);height:var(--header-height)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--container)}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:20px;letter-spacing:0.02em}
.logo:hover{color:#fff}
.logo-icon{width:36px;height:36px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary-dark);font-size:16px;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{color:rgba(255,255,255,0.88);font-size:15px;font-weight:500;padding:8px 4px;position:relative;transition:color var(--transition)}
.nav-link:hover{color:var(--accent-light)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width var(--transition);border-radius:2px}
.nav-link:hover::after{width:100%}
.nav-link.active{color:#fff}
.nav-link.active::after{width:100%}
.header-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;background:var(--accent);color:var(--primary-dark);border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:all var(--transition);white-space:nowrap}
.header-cta:hover{background:var(--accent-light);color:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(180,140,63,0.4)}
.header-cta:focus-visible{outline:2px solid var(--accent-light);outline-offset:2px}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;color:#fff;font-size:20px;border-radius:8px;transition:background var(--transition)}
.menu-toggle:hover{background:rgba(255,255,255,0.12)}
@media(max-width:992px){
  .nav-links{position:fixed;top:0;right:-300px;width:300px;height:100vh;background:var(--primary-dark);flex-direction:column;justify-content:flex-start;align-items:flex-start;padding:72px 32px 32px;gap:12px;transition:right 0.3s ease;z-index:999;box-shadow:-4px 0 20px rgba(0,0,0,0.2)}
  .nav-links.open{right:0}
  .nav-link{font-size:18px;line-height:2.6;width:100%;color:rgba(255,255,255,0.92)}
  .nav-link::after{display:none}
  .nav-link.active{border-left:3px solid var(--accent);padding-left:12px;border-radius:0}
  .menu-toggle{display:flex}
  .header-cta{display:none}
  .header-cta.open{display:flex;margin-top:16px;width:100%;justify-content:center}
}
.menu-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:8px;color:#fff;font-size:20px;background:rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center}
@media(min-width:993px){.menu-close{display:none}}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.72);flex-wrap:wrap;margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,0.72);transition:color var(--transition)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:#fff}

/* Hero */
.category-hero{position:relative;background-image:linear-gradient(rgba(10,43,33,0.78),rgba(10,43,33,0.55)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;padding:80px 0 96px;min-height:420px;display:flex;align-items:center}
.category-hero .container{position:relative;z-index:2}
.category-hero h1{font-size:44px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:0.02em;margin-bottom:12px}
.category-hero .hero-sub{font-size:18px;color:rgba(255,255,255,0.85);max-width:520px;margin-bottom:32px;line-height:1.6}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 28px;border-radius:10px;font-size:15px;font-weight:600;transition:all var(--transition);border:none;cursor:pointer;letter-spacing:0.02em;text-decoration:none}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(180,140,63,0.30)}
.btn-primary:active{background:var(--accent-dark);transform:translateY(0);box-shadow:none}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,0.7);background:transparent;color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--primary);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--primary-dark)}
.btn-accent:hover{background:var(--accent-light);color:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(180,140,63,0.35)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,0.7);background:transparent;color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,0.15);color:#fff}
@media(max-width:768px){
  .category-hero{padding:56px 0 64px;min-height:360px}
  .category-hero h1{font-size:30px}
  .category-hero .hero-sub{font-size:15px}
  .hero-actions .btn{height:44px;padding:0 22px;font-size:14px}
}

/* Category Intro */
.category-intro{padding:80px 0}
.intro-content{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.intro-text .section-tag{margin-bottom:8px}
.intro-text h2{font-size:30px;font-weight:700;color:var(--primary);margin:16px 0 16px;line-height:1.3;letter-spacing:0.02em}
.intro-text p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:24px}
.intro-features{display:flex;flex-wrap:wrap;gap:10px}
.feature-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:8px 16px;font-size:13px;color:var(--primary);font-weight:500;transition:all var(--transition)}
.feature-chip i{color:var(--accent)}
.feature-chip:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.intro-visual img{border-radius:var(--radius);box-shadow:var(--shadow-hover);width:100%;object-fit:cover;aspect-ratio:4/3}
@media(max-width:992px){
  .intro-content{grid-template-columns:1fr;gap:32px}
  .intro-text h2{font-size:26px}
}

/* Topic Cards */
.topic-cards{padding:80px 0;background:#fff}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:all var(--transition);display:flex;flex-direction:column}
.topic-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:var(--accent)}
.topic-icon{width:56px;height:56px;background:rgba(180,140,63,0.12);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;margin-bottom:20px}
.topic-card h3{font-size:19px;font-weight:600;color:var(--primary);margin-bottom:12px;letter-spacing:0.01em}
.topic-card p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px;flex-grow:1}
.topic-card a{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:all var(--transition)}
.topic-card a:hover{color:var(--accent);gap:10px}
@media(max-width:992px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .topic-grid{grid-template-columns:1fr}
  .topic-cards{padding:48px 0}
}

/* News Preview */
.news-preview{padding:80px 0}
.news-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:start}
.news-featured{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--transition);display:block;box-shadow:var(--shadow)}
.news-featured:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.news-featured-img{position:relative;overflow:hidden;aspect-ratio:16/9}
.news-featured-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.news-featured:hover .news-featured-img img{transform:scale(1.02)}
.news-badge{position:absolute;top:16px;left:16px;background:rgba(180,140,63,0.9);color:var(--primary-dark);font-size:12px;font-weight:600;padding:6px 14px;border-radius:20px;letter-spacing:0.03em}
.news-featured-body{padding:24px}
.news-featured-body h3{font-size:19px;font-weight:700;color:var(--primary);line-height:1.5;margin-bottom:10px}
.news-featured-body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.news-meta{font-size:13px;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px}
.news-list{display:flex;flex-direction:column;gap:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.news-list-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid #f0ede8;transition:background var(--transition)}
.news-list-item:last-child{border-bottom:none}
.news-list-item:hover{background:rgba(180,140,63,0.05)}
.news-list-text{display:flex;flex-direction:column;gap:4px}
.news-tag{display:inline-block;background:rgba(180,140,63,0.12);color:var(--primary);font-size:12px;font-weight:600;padding:2px 10px;border-radius:20px;width:fit-content;letter-spacing:0.03em}
.news-list-text h4{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;transition:color var(--transition)}
.news-list-item:hover .news-list-text h4{color:var(--accent)}
.news-list-item .fa-chevron-right{color:var(--text-muted);font-size:12px;transition:all var(--transition)}
.news-list-item:hover .fa-chevron-right{color:var(--accent);transform:translateX(4px)}
@media(max-width:992px){
  .news-layout{grid-template-columns:1fr}
}

/* Values */
.values-section{padding:80px 0;background:var(--primary-dark);position:relative}
.values-section::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:60px;height:2px;background:var(--accent)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.value-item{display:flex;gap:20px;align-items:flex-start;padding:24px 16px;border-radius:var(--radius);transition:background var(--transition)}
.value-item:hover{background:rgba(255,255,255,0.04)}
.value-icon{width:48px;height:48px;background:rgba(180,140,63,0.15);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--accent-light);font-size:20px;flex-shrink:0}
.value-text h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px;letter-spacing:0.01em}
.value-text p{font-size:14px;color:rgba(255,255,255,0.65);line-height:1.7}
@media(max-width:768px){
  .values-grid{grid-template-columns:1fr;gap:16px}
  .value-item{padding:16px 12px}
}

/* FAQ */
.faq-section{padding:80px 0}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:24px 4px;font-size:16px;font-weight:500;color:var(--primary);text-align:left;transition:color var(--transition)}
.faq-question:hover{color:var(--accent)}
.faq-question .fa-plus{font-size:14px;color:var(--accent);transition:transform 0.3s ease;flex-shrink:0}
.faq-item.active .fa-plus{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding:0 8px}
.faq-item.active .faq-answer{max-height:300px;padding-bottom:20px}
.faq-answer p{font-size:14px;color:var(--text-secondary);line-height:1.7;padding:0 8px 8px 8px;background:var(--bg);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:14px 20px}
@media(max-width:768px){
  .faq-question{font-size:15px;padding:18px 0}
}

/* CTA */
.cta-section{padding:80px 0;background:var(--primary-dark);text-align:center;position:relative}
.cta-section::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:60px;height:2px;background:var(--accent)}
.cta-section h2{font-size:30px;font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:0.02em}
.cta-section p{font-size:15px;color:rgba(255,255,255,0.7);margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-actions .btn{min-width:140px}
@media(max-width:768px){
  .cta-section{padding:56px 0}
  .cta-section h2{font-size:24px}
  .cta-actions .btn{min-width:120px;height:44px;font-size:14px}
}

/* Footer */
.footer{background:var(--primary);color:rgba(255,255,255,0.8);padding:56px 0 0;font-size:14px;line-height:1.8}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{font-size:18px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.8;max-width:320px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:0.02em;position:relative;padding-bottom:8px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,0.7);transition:all var(--transition);font-size:14px}
.footer-links a:hover{color:var(--accent-light);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,0.7)}
.footer-contact i{color:var(--accent);margin-right:8px;width:16px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,0.5)}
@media(max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* Mobile Bar */
.mobile-bar{position:fixed;bottom:0;left:0;right:0;height:60px;background:#fff;border-top:1px solid var(--border);box-shadow:0 -4px 12px rgba(0,0,0,0.05);display:none;align-items:center;justify-content:space-between;padding:0 20px;z-index:999}
.mobile-bar span{font-size:13px;font-weight:600;color:var(--primary)}
.mobile-bar a{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 24px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:background var(--transition)}
.mobile-bar a:hover{background:var(--accent)}
@media(max-width:767px){
  .mobile-bar{display:flex}
}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.category-hero .container>div,*{animation-fill-mode:both}

/* roulang page: article */
:root {
  --primary: #0E3B2E;
  --primary-dark: #0A2B21;
  --accent: #B48C3F;
  --accent-light: #C69E52;
  --accent-dark: #8F6F2F;
  --bg: #F6F4F0;
  --white: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #8A8A8A;
  --border: #E3DFD7;
  --success: #2E7D5B;
  --danger: #B3402A;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(14, 59, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(14, 59, 46, 0.10);
  --container: 1200px;
  --transition: 0.25s ease;
  --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea {
  font-family: inherit;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 6px 16px rgba(180, 140, 63, 0.30);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(0);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.8);
}
.btn-ghost:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  transform: translateY(-1px);
}
.btn-ghost:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(180, 140, 63, 0.35);
  transform: translateY(-1px);
}
.btn-accent:active {
  background: var(--accent-dark);
  transform: translateY(0);
}
.btn-accent:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(180, 140, 63, 0.12);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}

/* 头部导航 */
.header {
  background: var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(10, 43, 33, 0.15);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.nav-link:hover {
  color: var(--white);
  border-bottom-color: var(--accent);
}
.nav-link.active {
  color: var(--white);
  border-bottom-color: var(--accent);
}
.nav-cta {
  height: 40px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: var(--radius-sm);
  padding: 0 20px;
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--accent-light);
  box-shadow: 0 6px 16px rgba(180, 140, 63, 0.30);
  transform: translateY(-1px);
}
.nav-cta:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
  border-radius: 8px;
  transition: background var(--transition);
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.10);
}
.nav-close {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}
.nav-close:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* 页面 Hero */
.page-hero {
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
  padding: 68px 0 56px;
  color: var(--white);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 43, 33, 0.82) 0%, rgba(10, 43, 33, 0.65) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 1;
  max-width: 860px;
  text-align: center;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.60);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.80);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .current {
  color: rgba(255, 255, 255, 0.95);
  display: inline-block;
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-hero h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}
.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  flex-wrap: wrap;
}
.post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.post-meta i {
  color: var(--accent);
}

/* 正文主体 */
.post-main {
  padding: 48px 0 64px;
}
.post-content {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}
.post-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 36px 0 16px;
  letter-spacing: 0.02em;
}
.post-content h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--primary);
  margin: 30px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}
.post-content p {
  margin-bottom: 24px;
}
.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-content a:hover {
  color: var(--accent);
}
.post-content strong {
  font-weight: 600;
  color: var(--primary);
}
.post-content ul,
.post-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}
.post-content li {
  margin-bottom: 8px;
}
.post-content blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(180, 140, 63, 0.08);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 28px 0;
  color: var(--text-secondary);
}
.post-content blockquote p {
  margin-bottom: 0;
}
.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 24px 0;
}
.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* 上一篇 / 下一篇 */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.post-nav-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.post-nav-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.post-nav-item.align-right {
  text-align: right;
}
.post-nav-label {
  font-size: 13px;
  color: var(--text-muted);
}
.post-nav-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}
.post-nav-item a:hover {
  color: var(--accent);
}

/* 内容未找到 */
.not-found {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 64px 32px;
  text-align: center;
}
.not-found i {
  font-size: 42px;
  color: var(--accent);
  margin-bottom: 16px;
}
.not-found p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* 相关阅读 */
.related-posts {
  padding: 80px 0;
  background: var(--bg);
}
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.section-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, rgba(180, 140, 63, 0.10) 100%);
  border-radius: 2px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: block;
}
.post-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.post-card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-card-img {
  transform: scale(1.02);
}
.post-card-body {
  padding: 24px;
}
.post-card-body .tag {
  margin-bottom: 12px;
}
.post-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.post-card-body h3:hover {
  color: var(--primary);
}
.post-card-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.post-card-link:hover {
  color: var(--accent);
}
.back-home-row {
  text-align: center;
  margin-top: 40px;
}
.back-home-row a {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.back-home-row a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* CTA 区块 */
.cta-section {
  background: var(--primary-dark);
  padding: 72px 0;
  text-align: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.cta-section p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.70);
  margin-bottom: 28px;
}

/* 页脚 */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.80);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
}
.footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.70);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact span {
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.70);
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: 8px;
}

/* 移动端底部固定条 */
.mobile-bar {
  display: none;
}

/* 响应式 */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .post-card:last-child {
    grid-column: span 2;
  }
  .post-card:last-child .post-card-img {
    height: 180px;
  }
}
@media (max-width: 991px) {
  .nav-links {
    gap: 20px;
  }
  .nav-cta {
    padding: 0 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .nav-container {
    height: 64px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--primary);
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 80px 32px 32px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.25);
    z-index: 200;
    overflow-y: auto;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links .nav-cta {
    width: 100%;
    margin-top: 20px;
  }
  .nav-close {
    display: inline-flex;
  }
  .nav-link {
    font-size: 18px;
    line-height: 2.6;
    border-bottom: none;
    border-left: 2px solid transparent;
    padding: 4px 12px;
    width: 100%;
  }
  .nav-link:hover,
  .nav-link.active {
    border-bottom: none;
    border-left-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
  }
  .page-hero {
    padding: 48px 0 40px;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .post-meta {
    gap: 12px;
    font-size: 13px;
  }
  .post-main {
    padding: 32px 0 48px;
  }
  .post-content {
    padding: 24px 20px;
    font-size: 15px;
  }
  .post-content h2 {
    font-size: 22px;
  }
  .post-content h3 {
    font-size: 18px;
  }
  .post-nav {
    grid-template-columns: 1fr;
  }
  .related-posts {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .post-card:last-child {
    grid-column: span 1;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .mobile-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--white);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 150;
  }
  .mobile-bar span {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }
  .mobile-bar a {
    height: 40px;
    padding: 0 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .mobile-bar a:hover {
    background: var(--accent);
    color: var(--primary-dark);
  }
  body {
    padding-bottom: 60px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .container-narrow {
    padding: 0 16px;
  }
  .breadcrumb .current {
    max-width: 220px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .post-meta {
    gap: 8px;
  }
  .post-content blockquote {
    padding: 14px 16px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}