/* roulang page: index */
:root {
  --primary: #1e3a5f;
  --primary-light: #2d527d;
  --brand: #c8842e;
  --brand-light: #e8a33d;
  --bg-body: #f7f4ef;
  --bg-card: #ffffff;
  --text-main: #1f2937;
  --text-muted: #6b7280;
  --border-line: #e5e7eb;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.16);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-main); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
button { cursor: pointer; border: none; background: none; }

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

.site-header { position: sticky; top: 16px; z-index: 100; padding: 0 24px; }
.nav-wrap { max-width: 1160px; margin: 0 auto; background: rgba(255,255,255,0.88); backdrop-filter: blur(18px); border: 1px solid rgba(255,255,255,0.95); border-radius: 100px; padding: 10px 18px 10px 24px; box-shadow: 0 6px 30px rgba(15,23,42,0.10); display: flex; align-items: center; gap: 16px; }
.brand-logo { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 1px; white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.brand-logo i { color: var(--brand); font-size: 20px; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link { padding: 8px 18px; border-radius: 100px; font-size: 15px; font-weight: 600; color: #475569; transition: 0.3s; white-space: nowrap; }
.nav-link:hover { background: #f1f5f9; color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(30,58,95,0.25); }
.nav-cta { margin-left: 12px; background: var(--brand); color: #fff; padding: 10px 22px; border-radius: 100px; font-weight: 700; font-size: 15px; box-shadow: 0 4px 14px rgba(200,132,46,0.3); transition: 0.3s; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(200,132,46,0.4); color: #fff; }
.menu-toggle { display: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 100px; padding: 14px 30px; font-weight: 700; font-size: 16px; transition: 0.3s ease; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(30,58,95,0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(30,58,95,0.35); color: #fff; }
.btn-accent { background: var(--brand); color: #fff; box-shadow: 0 8px 24px rgba(200,132,46,0.3); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(200,132,46,0.4); color: #fff; }
.btn-outline { border: 2px solid #e2e8f0; background: #fff; color: var(--primary); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,0,0,0.2); color: var(--primary); }

.section { padding: 90px 0; }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(200,132,46,0.12); color: var(--brand); font-weight: 700; font-size: 14px; padding: 6px 18px; border-radius: 100px; letter-spacing: 0.5px; margin-bottom: 16px; text-transform: uppercase; }
.section-title { font-size: 44px; font-weight: 800; color: #111827; line-height: 1.25; letter-spacing: -1px; }
.section-title em { font-style: normal; color: var(--brand); }
.section-sub { font-size: 17px; color: var(--text-muted); margin-top: 16px; }

.hero { position: relative; border-radius: 32px; overflow: hidden; margin: 24px auto 0; max-width: 1200px; min-height: 680px; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; display: flex; align-items: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.5) 55%, rgba(15,23,42,0.05) 100%); }
.hero-content { position: relative; z-index: 2; padding: 70px 60px; max-width: 660px; color: #fff; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25); border-radius: 100px; padding: 7px 18px; font-size: 14px; font-weight: 600; letter-spacing: 0.5px; backdrop-filter: blur(8px); }
.hero-badge i { color: var(--brand-light); }
.hero-title { font-size: 60px; font-weight: 900; line-height: 1.15; margin: 28px 0 24px; letter-spacing: -2px; }
.hero-title .highlight { color: var(--brand-light); }
.hero-desc { font-size: 18px; color: rgba(255,255,255,0.85); max-width: 500px; margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 42px; border-top: 1px solid rgba(255,255,255,0.2); padding-top: 28px; }
.hero-stat:first-child { margin-left: 0; }
.hero-stat-num { font-size: 32px; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 4px; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-media { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); }
.about-media img { width: 100%; height: 480px; object-fit: cover; }
.about-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,23,42,0.4) 100%); }
.about-media-badge { position: absolute; bottom: 20px; left: 20px; z-index: 2; background: rgba(255,255,255,0.92); border-radius: 16px; padding: 12px 20px; display: flex; align-items: center; gap: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.about-media-badge i { color: var(--brand); font-size: 22px; }
.about-media-badge span { font-weight: 700; color: #111827; font-size: 14px; }
.about-text h2 { font-size: 38px; font-weight: 800; line-height: 1.3; margin-bottom: 22px; color: #111827; letter-spacing: -0.5px; }
.about-text h2 em { font-style: normal; color: var(--brand); }
.about-text p { color: var(--text-muted); font-size: 16px; line-height: 1.9; margin-bottom: 16px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.about-feature { background: #fff; border: 1px solid var(--border-line); border-radius: var(--radius); padding: 20px; display: flex; gap: 14px; align-items: flex-start; transition: 0.3s; }
.about-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.about-feature i { color: var(--brand); font-size: 20px; margin-top: 2px; }
.about-feature strong { display: block; font-size: 15px; color: #111827; margin-bottom: 4px; }
.about-feature span { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: 24px; overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: 0.4s ease; height: 100%; display: flex; flex-direction: column; }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-card-media { position: relative; height: 220px; overflow: hidden; }
.category-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.category-card:hover .category-card-media img { transform: scale(1.05); }
.category-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,23,42,0.55) 100%); }
.category-card-tag { position: absolute; top: 18px; left: 18px; z-index: 2; background: rgba(255,255,255,0.92); color: var(--primary); font-weight: 700; font-size: 13px; padding: 6px 14px; border-radius: 100px; }
.category-card-body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.category-card-body h3 { font-size: 22px; font-weight: 800; color: #111827; margin-bottom: 10px; }
.category-card-body p { color: var(--text-muted); font-size: 15px; line-height: 1.7; flex: 1; margin-bottom: 20px; }
.category-card-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--brand); font-size: 15px; }
.category-card-link i { transition: transform 0.3s; }
.category-card:hover .category-card-link i { transform: translateX(6px); }

.posts-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: start; }
.posts-list { display: flex; flex-direction: column; gap: 18px; }
.post-item { background: #fff; border: 1px solid var(--border-line); border-radius: var(--radius); padding: 28px; transition: 0.3s; display: block; }
.post-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: rgba(200,132,46,0.4); }
.post-item-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.post-item-cat { background: rgba(30,58,95,0.08); color: var(--primary); font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 100px; }
.post-item-date { color: var(--text-muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.post-item h3 { font-size: 20px; font-weight: 800; color: #111827; line-height: 1.4; margin-bottom: 10px; transition: 0.3s; }
.post-item:hover h3 { color: var(--brand); }
.post-item p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.empty-tip { background: #fff; border: 1px dashed #d1d5db; border-radius: var(--radius); padding: 48px; text-align: center; color: var(--text-muted); font-size: 16px; }
.posts-highlight { background: var(--primary); border-radius: 32px; padding: 48px 40px; color: #fff; position: relative; overflow: hidden; }
.posts-highlight::after { content: ''; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255,255,255,0.08); }
.posts-highlight .highlight-title { font-size: 30px; font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.posts-highlight .highlight-sub { color: rgba(255,255,255,0.75); font-size: 15px; margin-bottom: 32px; line-height: 1.8; }
.posts-highlight-list { display: flex; flex-direction: column; gap: 12px; }
.highlight-item { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.12); border-radius: 16px; padding: 16px 20px; display: flex; gap: 14px; align-items: flex-start; transition: 0.3s; cursor: pointer; }
.highlight-item:hover { background: rgba(255,255,255,0.18); transform: translateX(6px); }
.highlight-item i { color: var(--brand-light); font-size: 18px; margin-top: 4px; }
.highlight-item strong { display: block; font-size: 15px; margin-bottom: 4px; }
.highlight-item span { font-size: 13px; color: rgba(255,255,255,0.7); }

.stats-section { position: relative; border-radius: 32px; overflow: hidden; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; padding: 80px 0; }
.stats-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(30,58,95,0.85) 100%); }
.stats-content { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item { padding: 24px; }
.stat-icon { font-size: 32px; color: var(--brand-light); margin-bottom: 16px; }
.stat-num { font-size: 48px; font-weight: 900; color: #fff; line-height: 1.2; }
.stat-label { font-size: 16px; color: rgba(255,255,255,0.7); margin-top: 8px; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-card { position: relative; background: #fff; border-radius: 24px; padding: 32px; box-shadow: var(--shadow-sm); transition: 0.4s; }
.process-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.process-num { font-size: 48px; font-weight: 900; color: rgba(200,132,46,0.15); line-height: 1; margin-bottom: 20px; }
.process-card h3 { font-size: 19px; font-weight: 800; color: #111827; margin-bottom: 10px; }
.process-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { border-radius: 24px; overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: 0.4s; height: 100%; display: flex; flex-direction: column; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.feature-card-media { height: 200px; overflow: hidden; position: relative; }
.feature-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.feature-card:hover .feature-card-media img { transform: scale(1.05); }
.feature-card-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.feature-card-body h3 { font-size: 19px; font-weight: 800; color: #111827; margin-bottom: 10px; }
.feature-card-body p { color: var(--text-muted); font-size: 14px; line-height: 1.7; flex: 1; }
.feature-card-footer { display: flex; justify-content: space-between; align-items: center; padding: 16px 26px; border-top: 1px solid var(--border-line); font-size: 13px; color: var(--text-muted); }
.feature-card-footer i { color: var(--brand); }

.faq-grid { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: #fff; border: 1px solid var(--border-line); border-radius: calc(var(--radius) + 4px); transition: 0.3s; overflow: hidden; }
.faq-item:hover { border-color: rgba(200,132,46,0.4); box-shadow: var(--shadow-sm); }
.faq-question { padding: 22px 26px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 17px; font-weight: 700; color: #111827; gap: 16px; }
.faq-question i { color: var(--brand); transition: transform 0.3s; font-size: 16px; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { padding: 0 26px; max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding-bottom: 24px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

.cta-section { position: relative; border-radius: 32px; overflow: hidden; margin: 0 auto; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(200,132,46,0.5)); }
.cta-content { position: relative; z-index: 2; text-align: center; padding: 100px 24px; color: #fff; max-width: 760px; margin: 0 auto; }
.cta-content h2 { font-size: 44px; font-weight: 900; line-height: 1.25; margin-bottom: 20px; letter-spacing: -1px; }
.cta-content p { font-size: 17px; color: rgba(255,255,255,0.88); margin-bottom: 36px; }

.footer { background: #0f172a; color: #94a3b8; padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-brand .brand-logo { color: #fff; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-col a { display: block; padding: 6px 0; color: #94a3b8; font-size: 14px; transition: 0.3s; }
.footer-col a:hover { color: var(--brand-light); padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px; text-align: center; font-size: 13px; color: #64748b; }

@media (max-width: 1024px) {
  .hero-title { font-size: 48px; }
  .section-title { font-size: 36px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .posts-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-wrap { border-radius: 20px; padding: 10px 16px; }
  .main-nav { position: fixed; top: 82px; right: 20px; left: 20px; background: #fff; border-radius: 20px; padding: 16px; flex-direction: column; align-items: stretch; gap: 8px; box-shadow: 0 20px 50px rgba(0,0,0,0.15); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: 0.3s; z-index: 99; }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link { text-align: center; padding: 13px; border-radius: 12px; }
  .nav-cta { display: block; text-align: center; margin-top: 8px; padding: 12px; }
  .menu-toggle { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 50%; background: #f1f5f9; color: var(--primary); font-size: 18px; }
  .hero { min-height: 560px; }
  .hero-content { padding: 48px 32px; }
  .hero-title { font-size: 38px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 64px 0; }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { border-radius: 24px; margin: 16px 10px 0; min-height: 500px; }
  .hero-content { padding: 36px 24px; }
  .hero-title { font-size: 32px; }
  .hero-stats { gap: 24px; }
  .category-grid, .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 30px; }
  .about-text h2 { font-size: 28px; }
  .about-features { grid-template-columns: 1fr; }
  .cta-content h2 { font-size: 32px; }
  .cta-content { padding: 70px 20px; }
  .site-header { top: 10px; padding: 0 10px; }
}

/* roulang page: article */
:root {
  --primary: #e67e22;
  --primary-dark: #c75b1d;
  --primary-light: #fef3e2;
  --accent: #fbbf24;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --light: #f8fafc;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 16px rgba(15,23,42,0.06);
  --shadow-md: 0 12px 32px rgba(15,23,42,0.1);
  --shadow-lg: 0 24px 60px rgba(15,23,42,0.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--light);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 悬浮胶囊导航 ===== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 999;
  padding: 0 20px;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.65);
  border-radius: 999px;
  padding: 10px 24px;
  box-shadow: var(--shadow-md);
  transition: box-shadow .3s ease;
}
.header-inner:hover { box-shadow: var(--shadow-lg); }
.brand-logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
  white-space: nowrap;
}
.brand-logo i { color: var(--primary); font-size: 1.2rem; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: #fff; background: var(--primary); font-weight: 600; box-shadow: 0 4px 14px rgba(230,126,34,0.35); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--dark);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--primary); transform: translateY(-1px); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-main);
  padding: 6px;
  border-radius: 8px;
}
.mobile-toggle:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 90px 0 56px;
  margin-top: -12px;
  color: #fff;
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.article-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.82) 0%, rgba(15,23,42,0.55) 55%, rgba(230,126,34,0.35) 100%);
  z-index: -1;
}
.article-hero-inner { max-width: 860px; }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
}
.breadcrumb a { transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.5; }
.breadcrumb-current { color: #fff; opacity: 0.9; }
.article-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.9);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}
.badge-cat { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(230,126,34,0.4); }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { opacity: 0.75; }

/* ===== 文章正文区 ===== */
.article-section { padding: 48px 0 24px; }
.article-main {
  max-width: 820px;
  margin: 0 auto 40px;
}
.article-cover {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 36px;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #334155;
  word-break: break-word;
}
.article-body > * + * { margin-top: 1.4em; }
.article-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2em;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 1.6em;
}
.article-body p { margin-bottom: 1em; letter-spacing: 0.01em; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body ul, .article-body ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.6em; }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: #fff7ed;
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: #78350f;
}
.article-body img { border-radius: 12px; max-width: 100%; height: auto; }
.article-body code { background: #f1f5f9; padding: 2px 8px; border-radius: 6px; font-size: 0.9em; font-family: "SFMono-Regular", Consolas, monospace; }
.article-body pre { background: var(--dark-2); color: #f1f5f9; padding: 20px; border-radius: 12px; overflow-x: auto; }
.article-body pre code { background: transparent; color: inherit; padding: 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-body th { background: #f8fafc; font-weight: 600; }

.article-foot {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}
.tag-label { color: var(--text-muted); font-weight: 500; }
.tag {
  display: inline-block;
  padding: 5px 14px;
  background: #f1f5f9;
  border-radius: 999px;
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all .2s;
}
.tag:hover { background: var(--primary-light); color: var(--primary); }
.article-share { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--text-muted); }
.share-btn {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: #f1f5f9;
  color: var(--text-muted);
  transition: all .25s;
}
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* 平台卡片 */
.platform-card {
  max-width: 820px;
  margin: 36px auto 0;
  background: linear-gradient(120deg, #fff7ed, #ffffff);
  border: 1px solid #fde3c5;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}
.platform-avatar {
  width: 64px; height: 64px;
  flex-shrink: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #fff;
  box-shadow: 0 8px 20px rgba(230,126,34,0.3);
}
.platform-info { flex: 1; min-width: 0; }
.platform-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; color: var(--text-main); }
.platform-info p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; }

/* ===== 相关推荐 ===== */
.related-section { padding: 60px 0 48px; background: #fff; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
}
.section-title i { color: var(--primary); }
.section-subtitle { color: var(--text-muted); margin-top: 8px; font-size: 0.98rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.content-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: var(--shadow-sm);
}
.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card-cover { position: relative; overflow: hidden; height: 190px; }
.card-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.content-card:hover .card-cover img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(230,126,34,0.92);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.card-body { padding: 20px 22px 22px; }
.card-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-main);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-foot {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.82rem;
  color: #94a3b8;
}
.card-foot i { margin-right: 4px; }

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background:
    linear-gradient(rgba(15,23,42,0.85), rgba(15,23,42,0.88)),
    url('/assets/images/backpic/back-3.png') center/cover fixed;
  color: #fff;
  text-align: center;
}
.cta-inner { max-width: 720px; }
.cta-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-inner h2 i { color: var(--accent); margin-right: 6px; }
.cta-inner p { color: rgba(255,255,255,0.85); font-size: 1.04rem; margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.96rem;
  border: none;
  transition: all .3s ease;
  box-shadow: 0 8px 24px rgba(230,126,34,0.35);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(230,126,34,0.45); }
.btn-primary:focus, .nav-cta:focus, .btn-outline:focus { outline: 3px solid rgba(230,126,34,0.4); outline-offset: 3px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 0.96rem;
  border: 2px solid rgba(255,255,255,0.6);
  transition: all .3s ease;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 0.88rem; flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-section { padding: 60px 0; background: var(--light); }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.faq-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
.faq-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: #fde3c5; }
.faq-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.faq-card h3 i { color: var(--primary); transition: transform .3s; }
.faq-card:hover h3 i { transform: translateX(4px); }
.faq-card p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }

/* ===== 未找到 ===== */
.not-found-box {
  text-align: center;
  padding: 80px 20px;
  background: #fff;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}
.not-found-box i {
  display: inline-block;
  font-size: 3.2rem;
  color: var(--primary);
  margin-bottom: 20px;
  opacity: 0.7;
}
.not-found-box h2 { font-size: 1.6rem; font-weight: 800; margin-bottom: 10px; color: var(--text-main); }
.not-found-box p { color: var(--text-muted); margin-bottom: 28px; }

/* ===== 页脚 ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand-logo { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
.footer-col h4 {
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: all .25s;
}
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 991px) {
  .header-inner { border-radius: 24px; flex-wrap: wrap; }
  .mobile-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 78px;
    right: 20px;
    width: 260px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.96);
    transition: all .28s cubic-bezier(.4,0,.2,1);
    z-index: 1000;
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }
  .main-nav .nav-link,
  .main-nav .nav-cta {
    padding: 12px 18px;
    border-radius: 12px;
    margin: 0;
    font-size: 0.95rem;
  }
  .main-nav .nav-cta { justify-content: center; background: var(--primary); }
}
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .article-hero { padding: 64px 0 40px; }
  .article-hero-title { font-size: 1.65rem; }
  .article-section { padding: 32px 0 16px; }
  .platform-card { flex-direction: column; text-align: center; padding: 24px 20px; }
  .platform-info p { font-size: 0.88rem; }
  .btn-sm { align-self: center; }
  .cta-section { padding: 56px 0; background-attachment: scroll; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .header-inner { padding: 8px 16px; border-radius: 20px; }
  .brand-logo { font-size: 1.1rem; }
  .brand-logo i { font-size: 1rem; }
  .article-hero { padding: 48px 0 32px; }
  .article-hero-title { font-size: 1.4rem; }
  .article-meta { gap: 12px; font-size: 0.84rem; }
  .article-cover { border-radius: 16px; margin-bottom: 24px; }
  .article-body { font-size: 1rem; }
  .article-foot { flex-direction: column; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; gap: 20px; }
  .card-cover { height: 200px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom p { font-size: 0.78rem; }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline { width: 100%; justify-content: center; }
}

/* roulang page: category1 */
:root{
  --primary:#c9a24b;
  --primary-dark:#a8843c;
  --primary-soft:rgba(201,162,75,.12);
  --ink:#262b3d;
  --ink-soft:#555d74;
  --ink-mute:#989fb1;
  --bg:#faf8f3;
  --bg-white:#ffffff;
  --bg-dark:#1d2130;
  --line:#eae5da;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 20px rgba(38,43,61,.06);
  --shadow-lg:0 20px 50px rgba(38,43,61,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container-x{width:min(1200px,92%);margin:0 auto;position:relative;z-index:2}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:14px 4%;
  background:rgba(250,248,243,.7);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(233,229,218,.7);
}
.header-inner{
  max-width:1240px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.85);
  border-radius:100px;
  padding:10px 18px 10px 24px;
  box-shadow:0 10px 30px rgba(38,43,61,.08);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.28rem;font-weight:800;letter-spacing:.02em;
  color:var(--ink);white-space:nowrap;
}
.brand i{
  width:38px;height:38px;display:grid;place-items:center;
  background:linear-gradient(135deg,#d9b45c,#b8903f);
  color:#fff;border-radius:12px;font-size:1.05rem;
  box-shadow:0 6px 14px rgba(201,162,75,.35);
}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  padding:9px 18px;border-radius:100px;
  font-size:.94rem;font-weight:600;color:var(--ink-soft);
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.active{background:var(--ink);color:#fff}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  margin-left:8px;padding:10px 22px;border-radius:100px;
  background:var(--primary);color:#fff;font-weight:700;font-size:.94rem;
  box-shadow:0 8px 20px rgba(201,162,75,.35);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(201,162,75,.42);color:#fff}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  background:var(--bg);color:var(--ink);font-size:1.2rem;
  border:1px solid var(--line);align-items:center;justify-content:center;
}

/* hero */
.category-hero{
  position:relative;min-height:88vh;
  display:flex;align-items:center;
  padding:180px 0 90px;overflow:hidden;
  background-color:var(--bg-dark);
}
.category-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.04);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,23,32,.62) 0%, rgba(20,23,32,.42) 55%, rgba(20,23,32,.8) 100%);
}
.hero-content{position:relative;z-index:2;color:#fff;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  padding:8px 18px;border-radius:100px;
  font-size:.88rem;font-weight:600;color:#f6e6c8;
  backdrop-filter:blur(8px);margin-bottom:24px;
}
.hero-content h1{
  font-size:clamp(2.2rem,4.2vw,3.6rem);
  line-height:1.22;font-weight:800;letter-spacing:.01em;margin-bottom:22px;
}
.hero-content h1 .accent{
  background:linear-gradient(120deg,#e8c878,#ba9a52);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-content p{
  font-size:1.08rem;color:rgba(255,255,255,.86);
  max-width:640px;margin-bottom:34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 28px;border-radius:100px;
  font-size:1rem;font-weight:700;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(201,162,75,.36)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(201,162,75,.44);color:#fff}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-3px)}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap;color:rgba(255,255,255,.72);font-size:.92rem}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}

/* section */
.section{padding:112px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-tag{
  color:var(--primary-dark);font-weight:700;font-size:.92rem;
  letter-spacing:.12em;display:flex;align-items:center;gap:8px;margin-bottom:10px;
}
.section-tag::before{content:'';width:26px;height:2px;background:var(--primary);border-radius:2px}
.section-title{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;line-height:1.3;color:var(--ink)}
.section-desc{color:var(--ink-soft);max-width:680px;margin-top:14px;font-size:1rem}
.text-link{color:var(--primary-dark);font-weight:600;font-size:.95rem;white-space:nowrap}
.text-link i{transition:transform .2s}
.text-link:hover i{transform:translateX(4px)}

/* intro */
.grid-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.intro-copy h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:800;line-height:1.35;margin-bottom:20px}
.intro-copy>p{font-size:1.04rem;color:var(--ink-soft);margin-bottom:24px}
.check-list{margin-top:24px}
.check-list li{display:flex;gap:14px;align-items:flex-start;padding:10px 0;font-size:1rem;color:var(--ink)}
.check-list li i{color:var(--primary);margin-top:5px;font-size:1.05rem;width:22px;text-align:center}
.intro-visual{position:relative}
.intro-visual img{border-radius:24px;box-shadow:var(--shadow-lg)}
.intro-visual::after{
  content:'';position:absolute;inset:16px -16px -16px 16px;z-index:-1;
  border-radius:24px;background:var(--primary-soft);
}

/* featured cards */
.cards-scroll{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding-bottom:12px;
}
.cover-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  min-height:360px;display:flex;align-items:flex-end;
  background:#fff;box-shadow:var(--shadow-sm);
}
.cover-card:hover{box-shadow:var(--shadow-lg)}
.cover-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cover-card:hover img{transform:scale(1.05)}
.cover-card .card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,23,32,0) 30%, rgba(20,23,32,.86) 100%);
}
.cover-card .card-info{position:relative;z-index:2;padding:24px;color:#fff}
.cover-card .card-info h3{font-size:1.18rem;font-weight:700;line-height:1.45;margin:12px 0 6px}
.cover-card .card-info p{color:rgba(255,255,255,.85);font-size:.9rem;line-height:1.7}
.tag-pill{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:100px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);
  font-size:.78rem;font-weight:600;color:#fff;backdrop-filter:blur(6px);
}
.tag-pill.dark{background:var(--primary-soft);color:var(--primary-dark);border:none;padding:5px 14px;font-size:.78rem;font-weight:600}

/* timeline */
.timeline-section{position:relative;background:var(--bg-dark);color:#fff;overflow:hidden}
.timeline-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;
}
.timeline-section .section-tag{color:#e6c87e}
.timeline-section .section-tag::before{background:#e6c87e}
.timeline-section .section-title{color:#fff}
.timeline-section .section-desc{color:rgba(255,255,255,.7)}
.timeline-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.phase-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:28px 24px;
  backdrop-filter:blur(8px);
}
.phase-card:hover{border-color:rgba(230,200,126,.55)}
.phase-num{font-size:.9rem;color:#e6c87e;font-weight:800;letter-spacing:.08em;margin-bottom:20px}
.phase-card h3{font-size:1.22rem;font-weight:700;margin-bottom:12px}
.phase-card p{color:rgba(255,255,255,.7);font-size:.94rem;line-height:1.8}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{
  background:#fff;border-radius:var(--radius-lg);padding:36px 28px;text-align:center;
  box-shadow:var(--shadow-sm);border:1px solid rgba(233,229,218,.6);
}
.stat-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-item strong{display:block;font-size:2.6rem;font-weight:800;color:var(--primary-dark);line-height:1.2}
.stat-item span{display:block;margin-top:8px;font-size:.95rem;color:var(--ink-soft);font-weight:600}

/* article list */
.article-layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.article-list{display:flex;flex-direction:column;gap:20px}
.article-item{
  display:flex;gap:24px;background:#fff;border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);border:1px solid rgba(233,229,218,.6);
}
.article-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.article-thumb{flex:0 0 180px;border-radius:var(--radius-md);overflow:hidden;min-height:130px}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-item:hover .article-thumb img{transform:scale(1.05)}
.article-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.article-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.meta-date,.meta-read{font-size:.85rem;color:var(--ink-mute);display:inline-flex;align-items:center;gap:5px}
.article-body h3{font-size:1.14rem;font-weight:700;line-height:1.5;margin-bottom:8px}
.article-body h3 a:hover{color:var(--primary-dark)}
.article-body p{color:var(--ink-soft);font-size:.94rem;line-height:1.75}

/* side */
.article-side{display:flex;flex-direction:column;gap:24px;position:sticky;top:120px}
.side-card{background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);border:1px solid rgba(233,229,218,.6)}
.side-card h3{font-size:1.1rem;font-weight:800;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  display:inline-flex;padding:7px 16px;font-size:.88rem;font-weight:600;
  border-radius:100px;background:var(--bg);color:var(--ink-soft);
  border:1px solid var(--line);
}
.tag-cloud a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.side-card.accent{background:linear-gradient(155deg,#2a3042,#191d2b);color:#fff}
.side-card.accent h3{border-bottom-color:rgba(255,255,255,.14);color:#fff}
.side-card.accent p{color:rgba(255,255,255,.76);font-size:.94rem;margin-bottom:18px}
.btn-block{width:100%}

/* faq */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-head{text-align:center;margin-bottom:48px}
.faq-head .section-tag{justify-content:center}
.faq-head .section-tag::before{display:none}
.faq-list{display:flex;flex-direction:column;gap:16px}
.faq-item{
  background:#fff;border-radius:var(--radius-md);padding:8px 24px;
  box-shadow:var(--shadow-sm);border:1px solid rgba(233,229,218,.6);
}
.faq-item summary{
  padding:18px 0;font-size:1.04rem;font-weight:700;cursor:pointer;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--primary);transition:transform .25s}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 0 22px;color:var(--ink-soft);font-size:.96rem;line-height:1.85}

/* cta */
.cta-section{padding:40px 0 112px}
.cta-box{
  position:relative;overflow:hidden;border-radius:32px;
  background:linear-gradient(135deg,#262b3d,#171a25);color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:56px 64px;box-shadow:var(--shadow-lg);
}
.cta-box::before{
  content:'';position:absolute;top:-80px;right:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(201,162,75,.16);filter:blur(40px);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;line-height:1.4;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.78);margin-bottom:28px;max-width:500px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-visual{position:relative;z-index:2}
.cta-visual img{width:100%;height:300px;object-fit:cover;border-radius:24px;box-shadow:0 24px 48px rgba(0,0,0,.35)}

/* footer */
.footer{
  background:#171a25;color:rgba(255,255,255,.72);
  padding:64px 0 0;border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.25rem;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .brand-logo i{
  width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(135deg,#d9b45c,#b8903f);color:#fff;
}
.footer-brand p{font-size:.92rem;line-height:1.9;max-width:360px}
.footer-col h4{color:#fff;font-size:.98rem;font-weight:700;margin-bottom:16px}
.footer-col a{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.62);font-size:.9rem;padding:6px 0}
.footer-col a:hover{color:#e6c87e}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:.85rem;color:rgba(255,255,255,.5)}

/* responsive */
@media (max-width:1024px){
  .section{padding:80px 0}
  .grid-intro{grid-template-columns:1fr;gap:36px}
  .intro-visual{max-width:640px}
  .cards-scroll{grid-template-columns:repeat(4,60%);overflow-x:auto;scroll-snap-type:x mandatory}
  .cover-card{scroll-snap-align:start}
  .timeline-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static;flex-direction:row}
  .side-card{flex:1}
  .cta-box{grid-template-columns:1fr;padding:44px}
  .cta-visual{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .header-inner{flex-wrap:wrap;border-radius:24px}
  .menu-toggle{display:flex}
  .main-nav{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    gap:4px;padding-top:12px;border-top:1px solid var(--line);margin-top:4px;
  }
  .main-nav.nav-open{display:flex}
  .nav-link{text-align:center;padding:12px}
  .nav-cta{justify-content:center;margin:8px 0 4px}
  .category-hero{padding-top:160px;min-height:72vh}
  .cards-scroll{grid-template-columns:repeat(4,78%)}
  .article-item{flex-direction:column}
  .article-thumb{flex:none;width:100%;height:190px}
  .article-side{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .cta-box{padding:36px 24px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cta-section{padding:30px 0 64px}
}
@media (max-width:520px){
  .container-x{width:90%}
  .hero-actions .btn-primary,.hero-actions .btn-ghost,
  .cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%}
  .hero-meta{flex-direction:column;gap:8px}
  .timeline-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-item{padding:24px 14px}
  .stat-item strong{font-size:2rem}
  .article-item{padding:14px}
  .article-body h3{font-size:1rem}
  .cta-actions{flex-direction:column}
  .faq-item{padding:4px 18px}
  .faq-item summary{font-size:1rem}
}

/* roulang page: category2 */
:root {
      --primary: #1a1a2e;
      --accent: #e94560;
      --secondary: #16213e;
      --soft: #f8f7f4;
      --gold: #c9a227;
      --text: #2d2d3a;
      --text-light: #6b6b7b;
      --border: #e8e6e0;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 4px 24px rgba(26, 26, 46, 0.08);
      --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.12);
      --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', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
      background-color: var(--soft);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    .section-pad {
      padding: 96px 0;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.02em;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-light);
      margin-bottom: 48px;
      max-width: 640px;
    }

    .eyebrow {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .card {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-6px);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 20px;
      background: rgba(233, 69, 96, 0.08);
      color: var(--accent);
      white-space: nowrap;
    }

    .tag {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 500;
      padding: 4px 14px;
      border-radius: 20px;
      background: #f1f0ec;
      color: #5a5a6e;
      border: 1px solid transparent;
      transition: var(--transition);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--accent);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(233, 69, 96, 0.25);
    }

    .btn-accent {
      background: var(--accent);
      color: #fff;
    }

    .btn-accent:hover {
      background: #d63751;
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(233, 69, 96, 0.3);
    }

    .btn-outline {
      background: transparent;
      color: var(--primary);
      border: 1.5px solid var(--primary);
    }

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

    /* ===== 导航 ===== */
    .header {
      position: sticky;
      top: 16px;
      z-index: 50;
      padding: 8px 24px;
      margin-top: 16px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-radius: 60px;
      padding: 8px 12px;
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.6);
      max-width: 1100px;
      margin: 0 auto;
      flex-wrap: nowrap;
      justify-content: space-between;
    }

    .brand-logo {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 40px;
      white-space: nowrap;
    }

    .brand-logo i {
      color: var(--accent);
      font-size: 1.1rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
    }

    .nav-link {
      display: inline-block;
      padding: 8px 16px;
      font-size: 0.92rem;
      font-weight: 500;
      color: #3d3d4e;
      border-radius: 40px;
      white-space: nowrap;
      transition: var(--transition);
    }

    .nav-link:hover {
      background: rgba(233, 69, 96, 0.06);
      color: var(--accent);
    }

    .nav-link.active {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(26, 26, 46, 0.25);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--accent);
      background: rgba(233, 69, 96, 0.08);
      border-radius: 40px;
      white-space: nowrap;
      transition: var(--transition);
    }

    .nav-cta:hover {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(233, 69, 96, 0.3);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--primary);
      font-size: 1.3rem;
      padding: 8px 12px;
      cursor: pointer;
      border-radius: 40px;
      transition: var(--transition);
    }

    .nav-toggle:hover {
      background: rgba(26, 26, 46, 0.06);
    }

    /* ===== Hero / Banner ===== */
    .page-hero {
      position: relative;
      padding: 140px 0 110px;
      background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.82) 100%),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      color: #fff;
    }

    .page-hero .hero-content {
      max-width: 720px;
    }

    .page-hero h1 {
      font-size: 3.1rem;
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .page-hero h1 .highlight {
      background: linear-gradient(135deg, #ff8a9e, #e94560);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .page-hero p {
      font-size: 1.12rem;
      color: rgba(255, 255, 255, 0.88);
      margin-bottom: 28px;
      line-height: 1.75;
    }

    .hero-stats {
      display: flex;
      gap: 36px;
      margin-top: 40px;
      flex-wrap: wrap;
    }

    .hero-stat {
      text-align: left;
    }

    .hero-stat .num {
      font-size: 1.7rem;
      font-weight: 800;
      color: #fff;
      display: block;
      line-height: 1.2;
    }

    .hero-stat .label {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.65);
    }

    /* ===== 板块通用 ===== */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 28px;
    }

    .article-card {
      display: flex;
      flex-direction: column;
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .article-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-6px);
    }

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

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

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

    .article-card .card-body {
      padding: 24px 26px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .article-card .card-body h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary);
      margin: 12px 0 8px;
      line-height: 1.4;
    }

    .article-card .card-body p {
      font-size: 0.93rem;
      color: var(--text-light);
      line-height: 1.6;
      flex: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 0.8rem;
      color: #9a9aae;
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid #f0efeb;
    }

    /* 流程时间线 */
    .timeline {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      padding-left: 32px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(180deg, var(--accent), var(--gold));
      border-radius: 2px;
    }

    .timeline-item {
      position: relative;
      padding-bottom: 36px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -28px;
      top: 8px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #fff;
      border: 3px solid var(--accent);
      box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.12);
    }

    .timeline-item .step-num {
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      color: var(--accent);
      text-transform: uppercase;
    }

    .timeline-item h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--primary);
      margin: 6px 0 8px;
    }

    .timeline-item p {
      font-size: 0.95rem;
      color: var(--text-light);
      line-height: 1.65;
    }

    /* FAQ */
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 0;
      margin-bottom: 14px;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(233, 69, 96, 0.25);
    }

    .faq-item summary {
      list-style: none;
      padding: 20px 26px;
      font-weight: 600;
      font-size: 1rem;
      color: var(--primary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      transition: var(--transition);
    }

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

    .faq-item summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      font-size: 0.85rem;
      color: var(--accent);
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

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

    .faq-item .faq-answer {
      padding: 0 26px 22px;
      font-size: 0.95rem;
      color: var(--text-light);
      line-height: 1.65;
    }

    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, #1a1a2e, #16213e);
      border-radius: 28px;
      padding: 56px;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(233, 69, 96, 0.25), transparent 70%);
      top: -100px;
      right: -100px;
      border-radius: 50%;
    }

    .cta-section h2 {
      color: #fff;
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .cta-section p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 1.05rem;
      max-width: 480px;
    }

    /* Footer */
    .footer {
      background: #141422;
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 0;
      margin-top: 0;
    }

    .footer .container {
      max-width: 1200px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 36px;
      padding-bottom: 44px;
    }

    .footer-brand .brand-logo {
      color: #fff;
      font-size: 1.3rem;
      padding: 0;
      margin-bottom: 14px;
    }

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

    .footer-brand p {
      font-size: 0.92rem;
      line-height: 1.7;
      max-width: 280px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      font-size: 0.9rem;
      padding: 5px 0;
      color: rgba(255, 255, 255, 0.65);
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .footer-col a i {
      margin-right: 8px;
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      text-align: center;
      font-size: 0.83rem;
      color: rgba(255, 255, 255, 0.4);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
      .section-pad {
        padding: 72px 0;
      }

      .page-hero {
        padding: 120px 0 90px;
      }

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

    @media (max-width: 768px) {
      .header {
        top: 10px;
        padding: 6px 12px;
      }

      .main-nav {
        flex-wrap: wrap;
        border-radius: 24px;
        padding: 8px;
        gap: 4px;
      }

      .nav-toggle {
        display: block;
        margin-left: auto;
      }

      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: 12px 8px 4px;
        gap: 4px;
      }

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

      .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px 16px;
      }

      .nav-cta {
        width: 100%;
        justify-content: center;
        padding: 12px;
        margin-top: 6px;
      }

      .page-hero h1 {
        font-size: 2.1rem;
      }

      .hero-stats {
        gap: 20px;
      }

      .section-title {
        font-size: 1.65rem;
      }

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

      .cta-section {
        padding: 36px 24px;
      }

      .cta-section h2 {
        font-size: 1.6rem;
      }

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

      .footer-brand p {
        max-width: 100%;
      }
    }

    @media (max-width: 520px) {
      .page-hero h1 {
        font-size: 1.75rem;
      }

      .page-hero p {
        font-size: 1rem;
      }

      .hero-stats {
        flex-direction: column;
        gap: 14px;
      }

      .section-title {
        font-size: 1.4rem;
      }

      .container {
        padding: 0 18px;
      }

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

      .article-card .card-body h3 {
        font-size: 1.08rem;
      }

      .footer-bottom p {
        font-size: 0.78rem;
      }
    }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1d4ed8;
            --primary-dark: #1e3a8a;
            --primary-light: #dbeafe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --bg-deep: #0f172a;
            --text: #0f172a;
            --text-soft: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --white: #ffffff;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 1280px;
            z-index: 999;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.65);
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
            padding: 8px 20px;
            transition: box-shadow 0.4s ease, background 0.4s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14);
            background: rgba(255, 255, 255, 0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-logo i {
            color: var(--accent);
            font-size: 22px;
            background: rgba(245, 158, 11, 0.12);
            border-radius: 10px;
            padding: 6px;
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .main-nav .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-soft);
            border-radius: 999px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav .nav-link.active {
            color: var(--white);
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(29, 78, 216, 0.28);
        }

        .main-nav .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
            padding: 9px 18px;
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: 999px;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
        }

        .main-nav .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.42);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 10px;
            background: transparent;
            z-index: 10;
        }

        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 768px) {
            .site-header {
                border-radius: 24px;
                padding: 10px 16px;
                top: 12px;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(255, 255, 255, 0.98);
                border-radius: 24px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 14px;
                gap: 6px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: var(--transition);
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .main-nav .nav-link,
            .main-nav .nav-cta {
                justify-content: center;
                padding: 12px 16px;
                border-radius: 14px;
            }

            .main-nav .nav-cta {
                margin-left: 0;
                margin-top: 6px;
            }
        }

        /* ===== Hero 页面横幅 ===== */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(29, 78, 216, 0.55) 60%, rgba(245, 158, 11, 0.25) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
        }

        .hero-content .badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            padding: 6px 20px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            backdrop-filter: blur(8px);
            margin-bottom: 28px;
        }

        .hero-content h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 2px;
        }

        .hero-content p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.92);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.45);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            padding: 13px 30px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        .breadcrumb {
            position: relative;
            z-index: 2;
            text-align: center;
            margin-top: 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb span {
            margin: 0 10px;
            opacity: 0.5;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 150px 0 70px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .hero-content p {
                font-size: 16px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 56px 0;
        }

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

        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: 1px;
        }

        .section-head p {
            margin-top: 12px;
            color: var(--text-soft);
            font-size: 16px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }

        /* ===== 数据统计条 ===== */
        .stats-section {
            padding: 48px 0;
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .stat-card .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            margin-top: 6px;
            color: var(--text-soft);
            font-size: 14px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 内容卡片 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

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

        .topic-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .topic-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 23, 42, 0.72);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .card-body {
            padding: 22px 22px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color 0.3s;
        }

        .topic-card:hover .card-body h3 {
            color: var(--primary);
        }

        .card-body p {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid #f1f5f9;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 深度阅读列表 ===== */
        .read-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .read-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            align-items: flex-start;
        }

        .read-item:hover {
            border-color: rgba(29, 78, 216, 0.3);
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }

        .read-item .read-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .read-item .read-content h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .read-item .read-content p {
            font-size: 14px;
            color: var(--text-soft);
            margin-bottom: 8px;
        }

        .read-item .read-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
        }

        .read-item .read-meta i {
            margin-right: 4px;
        }

        @media (max-width: 768px) {
            .read-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 编辑精选 ===== */
        .feature-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .feature-card img {
            width: 100%;
            aspect-ratio: 4 / 5;
            object-fit: cover;
        }

        .feature-card .feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.2) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 22px;
            color: #fff;
        }

        .feature-card .feature-overlay .feature-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }

        .feature-card .feature-overlay h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .feature-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 深色趋势区块 ===== */
        .trend-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            padding: 80px 0;
        }

        .trend-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.93) 0%, rgba(30, 58, 138, 0.82) 100%);
        }

        .trend-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .trend-info h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .trend-info p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
        }

        .trend-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 22px;
        }

        .trend-tags .tag {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }

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

        .trend-stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(8px);
            border-radius: var(--radius);
            padding: 24px 18px;
            text-align: center;
        }

        .trend-stat .num {
            font-size: 32px;
            font-weight: 900;
        }

        .trend-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .trend-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: rgba(29, 78, 216, 0.3);
            box-shadow: 0 8px 24px rgba(29, 78, 216, 0.08);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 22px;
            color: var(--text-soft);
            line-height: 1.8;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA 联系 ===== */
        .cta-section {
            padding: 80px 0 100px;
        }

        .cta-card {
            position: relative;
            background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #3b82f6 100%);
            border-radius: 28px;
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(29, 78, 216, 0.3);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            bottom: -50%;
            left: -5%;
            width: 260px;
            height: 260px;
            background: rgba(245, 158, 11, 0.2);
            border-radius: 50%;
        }

        .cta-card .cta-inner {
            position: relative;
            z-index: 2;
        }

        .cta-card h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.9);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 16px;
        }

        .cta-card .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            padding: 14px 34px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            transition: var(--transition);
        }

        .cta-card .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
        }

        .cta-card .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 13px 30px;
            border-radius: 999px;
            font-weight: 600;
            margin-left: 12px;
            transition: var(--transition);
        }

        .cta-card .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .cta-contact {
            margin-top: 24px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-contact a {
            color: #fff;
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        @media (max-width: 600px) {
            .cta-card {
                padding: 40px 20px;
                border-radius: 22px;
            }
            .cta-card h2 {
                font-size: 26px;
            }
            .cta-card .btn-ghost-light {
                margin-left: 0;
                margin-top: 12px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.76);
            padding: 60px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo i {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent);
        }

        .footer-brand p {
            margin-top: 12px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 焦点状态 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(29, 78, 216, 0.4);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ===== 小徽章 ===== */
        .badge-light {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
        }