/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0e223a;
  --primary-light: #2b5b8c;
  --accent: #c3a15f;
  --accent-dark: #a58547;
  --accent-light: #f0e7d2;
  --bg: #f4f6f9;
  --white: #ffffff;
  --dark: #0e223a;
  --text: #223140;
  --text-light: #5f6f7e;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(14, 34, 58, 0.07);
  --shadow-lg: 0 14px 44px rgba(14, 34, 58, 0.13);
  --space: 80px;
  --transition: all 0.3s ease;
}

/* ===== Reset/Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; line-height: 1.75; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space) 0; }
.section-alt { background: var(--white); }
.section-head { text-align: center; max-width: 660px; margin: 0 auto 56px; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(195, 161, 95, 0.12); color: var(--accent-dark); padding: 6px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 16px; }
.section-title { font-size: 34px; font-weight: 800; color: var(--primary-dark); line-height: 1.3; margin-bottom: 12px; }
.section-sub { font-size: 16px; color: var(--text-light); line-height: 1.8; }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 30px; border-radius: 40px; font-size: 15px; font-weight: 600; border: none; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26, 58, 92, 0.3); color: #fff; }
.btn-accent { background: var(--accent); color: var(--primary-dark); }
.btn-accent:hover { background: #d4b477; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(195, 161, 95, 0.35); color: var(--primary-dark); }
.btn-outline { background: transparent; border: 2px solid rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); color: #fff; }
.btn-large { padding: 16px 40px; font-size: 16px; }

/* ===== 导航 ===== */
.site-header { position: relative; z-index: 1000; }
.nav-wrap { position: fixed; top: 0; left: 0; right: 0; z-index: 999; background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, 0.25); box-shadow: 0 2px 24px rgba(14, 34, 58, 0.06); transition: var(--transition); }
.nav-wrap.scrolled { background: rgba(255, 255, 255, 0.97); box-shadow: 0 4px 30px rgba(14, 34, 58, 0.1); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 17px; box-shadow: 0 4px 12px rgba(26, 58, 92, 0.25); }
.logo-text { font-size: 20px; font-weight: 800; color: var(--primary-dark); letter-spacing: 0.5px; }
.nav-menu { display: flex; align-items: center; gap: 8px; margin: 0; }
.nav-menu > li { position: relative; }
.nav-menu > li > a { display: inline-block; padding: 10px 18px; font-size: 15px; font-weight: 600; color: var(--text); border-radius: 8px; transition: var(--transition); }
.nav-menu > li > a::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: var(--transition); }
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--primary); background: rgba(26, 58, 92, 0.05); }
.nav-menu > li > a:hover::after, .nav-menu > li > a.active::after { width: 24px; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.btn-nav { padding: 9px 22px; border-radius: 24px; font-size: 14px; font-weight: 600; background: var(--primary); color: #fff; border: none; transition: var(--transition); }
.btn-nav:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26, 58, 92, 0.3); }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--primary); padding: 6px 10px; border-radius: 8px; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 680px; display: flex; align-items: center; background: linear-gradient(135deg, rgba(14, 34, 58, 0.94), rgba(26, 58, 92, 0.82)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat; color: #fff; padding-top: 140px; padding-bottom: 70px; }
.hero .container { width: 100%; }
.hero-content { max-width: 680px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(195, 161, 95, 0.16); border: 1px solid rgba(195, 161, 95, 0.45); color: var(--accent-light); padding: 7px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 24px; }
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.25; letter-spacing: 1px; margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero-desc { font-size: 17px; color: rgba(255, 255, 255, 0.9); line-height: 1.85; max-width: 560px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.15); }
.stat-item { text-align: left; }
.stat-num { font-size: 34px; font-weight: 800; color: var(--accent); display: block; line-height: 1.2; }
.stat-label { font-size: 13px; color: rgba(255, 255, 255, 0.65); letter-spacing: 1px; }

/* ===== 特色卡片 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 30px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--accent), transparent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(195, 161, 95, 0.35); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 64px; height: 64px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 16px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; margin-bottom: 22px; box-shadow: 0 6px 16px rgba(26, 58, 92, 0.2); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--primary-dark); margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ===== 分类卡片 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.cat-card { border-radius: var(--radius); overflow: hidden; background: var(--white); border: 1px solid var(--border); transition: var(--transition); }
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-thumb { position: relative; height: 190px; overflow: hidden; }
.cat-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cat-card:hover .cat-thumb img { transform: scale(1.05); }
.cat-thumb-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(14, 34, 58, 0.4), transparent); }
.cat-body { padding: 26px 28px; }
.cat-body h3 { font-size: 18px; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.cat-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 18px; }
.cat-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-light); }

/* ===== 资讯卡片 ===== */
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.news-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); display: flex; flex-direction: column; }
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: rgba(195, 161, 95, 0.3); }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.news-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--accent); }
.news-item h3 { font-size: 17px; font-weight: 700; color: var(--primary-dark); line-height: 1.5; margin-bottom: 10px; transition: var(--transition); }
.news-item:hover h3 { color: var(--accent-dark); }
.news-item p { font-size: 14px; color: var(--text-light); line-height: 1.75; flex: 1; }
.news-link { margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--accent-dark); display: inline-flex; align-items: center; gap: 6px; }
.news-link i { font-size: 12px; transition: transform 0.3s ease; }
.news-link:hover i { transform: translateX(5px); }
.empty-tip { text-align: center; padding: 40px 0; color: var(--text-light); font-size: 15px; background: var(--white); border-radius: var(--radius); border: 1px dashed var(--border); }

/* ===== 数据区 ===== */
.data-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 80px 0; color: #fff; }
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.data-item .data-num { font-size: 44px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.data-item .data-label { font-size: 15px; color: rgba(255, 255, 255, 0.8); margin-top: 10px; letter-spacing: 1px; }

/* ===== 流程 ===== */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.flow-card { position: relative; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px 24px 26px; text-align: center; transition: var(--transition); }
.flow-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.flow-num { width: 44px; height: 44px; margin: 0 auto 18px; background: linear-gradient(135deg, var(--accent), #d9bc7d); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary-dark); font-weight: 800; font-size: 17px; box-shadow: 0 4px 12px rgba(195, 161, 95, 0.3); }
.flow-card h3 { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.flow-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }
.flow-arrow { position: absolute; top: 50%; right: -18px; transform: translateY(-50%); color: var(--accent); z-index: 2; font-size: 16px; }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(195, 161, 95, 0.4); box-shadow: var(--shadow); }
.faq-q { width: 100%; padding: 24px 30px; font-size: 16px; font-weight: 600; color: var(--primary-dark); text-align: left; display: flex; justify-content: space-between; align-items: center; gap: 16px; background: none; border: none; transition: var(--transition); }
.faq-q i { color: var(--accent); font-size: 14px; transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a-inner { padding: 0 30px 24px; font-size: 15px; color: var(--text-light); line-height: 1.8; }
.faq-item.open .faq-a { max-height: 420px; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; }
.cta-box { background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 26px; padding: 60px 54px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; color: #fff; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; right: -80px; top: -80px; width: 240px; height: 240px; border-radius: 50%; background: rgba(195, 161, 95, 0.2); }
.cta-box::after { content: ''; position: absolute; right: 60px; bottom: -100px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); }
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-content p { color: rgba(255, 255, 255, 0.85); font-size: 15px; max-width: 480px; }
.cta-action { position: relative; z-index: 2; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: 48px; padding-bottom: 44px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.55); }
.footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.55); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 12px; font-size: 14px; color: rgba(255, 255, 255, 0.55); }
.footer-contact i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.4); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-grid, .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .data-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); flex-direction: column; align-items: flex-start; padding: 16px 24px 24px; gap: 4px; border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(14,34,58,0.12); }
  .nav-menu.open { display: flex; }
  .nav-menu > li { width: 100%; }
  .nav-menu > li > a { display: block; padding: 12px 14px; width: 100%; }
  .nav-menu > li > a::after { display: none; }
  .menu-toggle { display: block; }
  .btn-nav { display: none; }
  .hero { min-height: 560px; padding-top: 110px; }
  .hero h1 { font-size: 34px; }
  .hero-desc { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .feature-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .flow-arrow { display: none; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 26px; }
  .data-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero-actions .btn { width: 100%; }
  .cta-box { text-align: center; justify-content: center; }
  .cta-action { width: 100%; }
  .cta-action .btn { width: 100%; }
}

/* roulang page: category1 */
/* ========== 设计变量与重置 ========== */
:root {
  --primary: #0b1f3a;
  --primary-light: #14325c;
  --primary-dark: #060f1d;
  --accent: #c9a35c;
  --accent-soft: #e8d7b5;
  --accent-dark: #a9833f;
  --bg-light: #f6f4ef;
  --bg-white: #ffffff;
  --bg-deep: #081426;
  --text-head: #132238;
  --text-body: #3d4a5e;
  --text-muted: #7c8a9d;
  --border: #e5e0d8;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(11, 31, 58, .06);
  --shadow-md: 0 12px 32px rgba(11, 31, 58, .09);
  --shadow-lg: 0 24px 54px rgba(11, 31, 58, .15);
  --transition: all .35s cubic-bezier(.4, 0, .2, 1);
  --container-w: 1200px;
  --nav-h: 76px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

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

input, textarea { font-family: inherit; }

.container {
  max-width: var(--container-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

.nav-wrap {
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  transition: var(--transition);
}

.site-header.is-scrolled .nav-wrap {
  background: rgba(255, 255, 255, .86);
  border-bottom-color: rgba(11, 31, 58, .08);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-head);
  letter-spacing: .5px;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-soft);
  font-size: 18px;
  box-shadow: 0 6px 18px rgba(11, 31, 58, .25);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, .92);
  position: relative;
}

.site-header.is-scrolled .nav-menu a { color: var(--text-body); }

.nav-menu a:hover { color: var(--accent-soft); }
.site-header.is-scrolled .nav-menu a:hover { color: var(--accent); }

.nav-menu a.active {
  background: rgba(255, 255, 255, .18);
  color: #ffffff;
}
.site-header.is-scrolled .nav-menu a.active {
  background: rgba(201, 163, 92, .14);
  color: var(--accent-dark);
}

.nav-right { display: flex; align-items: center; gap: 12px; }

.btn-nav {
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(201, 163, 92, .35);
  transition: var(--transition);
}

.btn-nav:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(201, 163, 92, .45); }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .16);
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .2);
}
.site-header.is-scrolled .menu-toggle { color: var(--text-head); background: rgba(11,31,58,.05); border-color: var(--border); }

/* ========== Hero ========== */
.page-hero {
  position: relative;
  min-height: 640px;
  padding: 180px 0 120px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(6, 15, 29, .92) 0%, rgba(11, 31, 58, .78) 55%, rgba(20, 50, 92, .55) 100%);
}

.page-hero .container { position: relative; z-index: 2; }

.hero-content { max-width: 760px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(201, 163, 92, .18);
  border: 1px solid rgba(201, 163, 92, .4);
  color: var(--accent-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.2;
  color: #fff;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: 1px;
}

.hero-content p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 34px;
  max-width: 640px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 8px 24px rgba(201, 163, 92, .4);
  transition: var(--transition);
}

.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(201, 163, 92, .5); }

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .32);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.btn-hero-secondary:hover { background: rgba(255, 255, 255, .24); transform: translateY(-3px); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}

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

.stat-item strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-soft);
  font-family: "Segoe UI", Arial, sans-serif;
  letter-spacing: 1px;
}

.stat-item span {
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
}

/* ========== 通用板块 ========== */
.section { padding: 100px 0; }

.section-alt { background: var(--bg-white); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(201, 163, 92, .12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  color: var(--text-head);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 16px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* ========== 关于核心说明 ========== */
.about-section { background: var(--bg-light); }

.about-image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.about-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6, 15, 29, .45));
  border-radius: var(--radius-xl);
}

.about-image-wrap img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }

.about-content { padding: 20px 8px 20px 40px; }

.about-content > p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-body);
  margin-bottom: 20px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-head);
}

.check-list i { color: var(--accent); font-size: 18px; margin-top: 3px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid var(--primary-light);
  color: var(--primary-light);
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
}

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

/* ========== 访问流程 ========== */
.steps-section {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.step-card {
  position: relative;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 42px 28px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  height: calc(100% - 20px);
  transition: var(--transition);
  overflow: hidden;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 163, 92, .4);
}

.step-num {
  position: absolute;
  top: 18px;
  right: 24px;
  font-size: 46px;
  font-weight: 800;
  color: rgba(201, 163, 92, .14);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1;
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-soft);
  font-size: 24px;
  margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(11, 31, 58, .2);
}

.step-card h3 { font-size: 20px; font-weight: 700; color: var(--text-head); margin: 0 0 10px; }

.step-card p { font-size: 14px; line-height: 1.75; color: var(--text-muted); margin: 0; }

/* ========== 推荐入口 ========== */
.entries-section { background: var(--bg-white); }

.entry-card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  height: calc(100% - 20px);
  transition: var(--transition);
}

.entry-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(201, 163, 92, .35); }

.entry-img { position: relative; height: 210px; overflow: hidden; }

.entry-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }

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

.entry-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6, 15, 29, .55));
}

.entry-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(201, 163, 92, .9);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}

.entry-body { padding: 26px 26px 30px; }

.entry-body h3 { font-size: 20px; font-weight: 700; color: var(--text-head); margin: 0 0 8px; }

.entry-body p { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; }

.btn-entry {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-dark);
}

.btn-entry i { transition: var(--transition); }

.btn-entry:hover i { transform: translateX(4px); }

/* ========== 安全提示 ========== */
.safety-section {
  background: var(--bg-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.safety-section::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 163, 92, .15), transparent 70%);
}

.safety-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  font-size: 32px;
  margin-bottom: 24px;
  box-shadow: 0 10px 28px rgba(201, 163, 92, .3);
}

.safety-section h2 { font-size: 34px; font-weight: 800; color: #fff; margin: 0 0 14px; }

.safety-section .lead { color: rgba(255, 255, 255, .7); font-size: 16px; line-height: 1.8; }

.safety-list { display: flex; flex-direction: column; gap: 16px; }

.safety-item {
  display: flex;
  gap: 16px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.safety-item:hover { background: rgba(255, 255, 255, .08); border-color: rgba(201, 163, 92, .35); transform: translateX(6px); }

.safety-item > i { font-size: 22px; color: var(--accent); margin-top: 4px; flex-shrink: 0; }

.safety-item h4 { font-size: 17px; font-weight: 700; color: #fff; margin: 0 0 4px; }

.safety-item p { font-size: 14px; color: rgba(255, 255, 255, .6); line-height: 1.6; margin: 0; }

/* ========== FAQ ========== */
.faq-section { background: var(--bg-light); }

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-item:last-child { border-bottom: none; }

.accordion-title {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-head);
  background: transparent;
  transition: var(--transition);
  position: relative;
}

.accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: auto;
  color: var(--accent);
  font-size: 14px;
  transition: var(--transition);
}

.accordion-item.is-active .accordion-title::after { transform: rotate(180deg); }

.accordion-title:hover { background: rgba(201, 163, 92, .04); }

.q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border-radius: 10px;
  background: rgba(201, 163, 92, .12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .5px;
}

.accordion-content {
  padding: 0 28px 24px 84px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

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

.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #1a3e72 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 163, 92, .25), transparent 70%);
}

.cta-box h2 { font-size: 32px; font-weight: 800; color: #fff; margin: 0 0 14px; }

.cta-box p { color: rgba(255, 255, 255, .75); font-size: 16px; max-width: 560px; margin: 0 auto 32px; }

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 8px 26px rgba(201, 163, 92, .4);
  transition: var(--transition);
}

.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(201, 163, 92, .5); }

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .65);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand .logo { color: #fff; margin-bottom: 16px; }

.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, .55); max-width: 360px; }

.footer-title { font-size: 17px; font-weight: 700; color: #fff; margin: 0 0 20px; }

.footer-links li { margin-bottom: 10px; }

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

.footer-links a i { font-size: 12px; color: var(--accent); }

.footer-links a:hover { color: var(--accent-soft); transform: translateX(4px); }

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 14px;
}

.footer-contact i { color: var(--accent); width: 18px; text-align: center; }

.footer-bottom {
  padding: 26px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .page-hero { padding: 160px 0 90px; min-height: 560px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-content { padding: 20px 0 0 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media screen and (max-width: 768px) {
  .section { padding: 70px 0; }
  .page-hero { padding: 140px 0 70px; }
  .hero-content h1 { font-size: 32px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 8px;
    margin: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

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

  .nav-menu a {
    color: var(--text-head);
    padding: 14px 20px;
    border-radius: var(--radius-md);
  }

  .nav-menu a.active { background: rgba(201, 163, 92, .12); color: var(--accent-dark); }

  .menu-toggle { display: flex; }
  .btn-nav { display: none; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .step-card { padding: 32px 22px 24px; }
  .accordion-title { padding: 18px 20px; font-size: 15px; flex-wrap: wrap; }
  .accordion-content { padding: 0 20px 20px 66px; }
  .q-mark { min-width: 36px; height: 36px; font-size: 12px; }

  .cta-box { padding: 48px 24px; }
  .cta-box h2 { font-size: 26px; }
}

@media screen and (max-width: 520px) {
  .page-hero { min-height: 480px; padding: 120px 0 60px; }
  .hero-content h1 { font-size: 28px; }
  .hero-content p { font-size: 15px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item strong { font-size: 22px; }
  .section-head h2 { font-size: 26px; }
  .section-head p { font-size: 15px; }

  .safety-item { padding: 18px 16px; flex-direction: column; gap: 8px; }

  .accordion-title { flex-direction: column; align-items: flex-start; gap: 8px; }
  .accordion-title::after { position: absolute; top: 22px; right: 20px; margin: 0; }
  .accordion-content { padding: 0 20px 20px 20px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom p { font-size: 12px; line-height: 1.7; }
}

/* roulang page: article */
:root {
  --primary: #0f2b46;
  --primary-light: #1d4266;
  --primary-soft: rgba(15,43,70,.06);
  --accent: #c9a24b;
  --accent-hover: #d6b05a;
  --accent-soft: rgba(201,162,75,.14);
  --bg-light: #f4f6f9;
  --bg-white: #ffffff;
  --bg-dark: #0b1e31;
  --text-dark: #172a3a;
  --text-body: #436070;
  --text-muted: #8498ab;
  --border: #e4e9ef;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-xs: 0 2px 10px rgba(15,43,70,.05);
  --shadow-sm: 0 4px 20px rgba(15,43,70,.08);
  --shadow-md: 0 10px 30px rgba(15,43,70,.10);
  --shadow-lg: 0 20px 50px rgba(15,43,70,.16);
  --transition: .3s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

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

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

ul, ol {
  list-style: none;
}

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

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}

.nav-wrap {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 2px 24px rgba(15,43,70,.06);
  transition: all var(--transition);
}

.nav-wrap.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: 0 4px 32px rgba(15,43,70,.10);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--text-dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu li a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--text-body);
  transition: all var(--transition);
}

.nav-menu li a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.nav-menu li a.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 14px rgba(15,43,70,.25);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-nav {
  padding: 9px 22px;
  border: 1.5px solid var(--accent);
  background: transparent;
  color: var(--accent);
  border-radius: 30px;
  font-weight: 700;
  font-size: .88rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-family);
}

.btn-nav:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,162,75,.3);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text-dark);
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  transition: all var(--transition);
}

.menu-toggle:hover {
  background: var(--primary-soft);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15,43,70,.12);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-menu li a {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 1rem;
  }

  .btn-nav {
    display: none;
  }
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 160px 0 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
  isolation: isolate;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,30,49,.92), rgba(15,43,70,.75));
  z-index: -1;
}

.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(201,162,75,.2), transparent 55%);
  z-index: -1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  margin-bottom: 20px;
  color: rgba(255,255,255,.7);
}

.breadcrumb a {
  color: rgba(255,255,255,.8);
  font-weight: 500;
}

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

.breadcrumb i {
  font-size: .7rem;
  color: rgba(255,255,255,.4);
}

.article-hero h1 {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.35;
  max-width: 850px;
  margin-bottom: 22px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(201,162,75,.18);
  border: 1px solid rgba(201,162,75,.4);
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  border-radius: 30px;
  letter-spacing: .3px;
}

.meta-item {
  font-size: .88rem;
  color: rgba(255,255,255,.75);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  .article-hero {
    padding: 130px 0 55px;
  }

  .article-hero h1 {
    font-size: 1.55rem;
  }
}

/* ===== 文章主体 ===== */
.article-main {
  padding: 60px 0 70px;
  background: var(--bg-light);
}

.article-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 40px 44px;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.article-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-body);
}

.article-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 1.8rem 0 .9rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--border);
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 1.5rem 0 .7rem;
}

.article-content p {
  margin-bottom: 1.1rem;
}

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

.article-content img {
  border-radius: var(--radius-md);
  margin: 1.2rem 0;
  box-shadow: var(--shadow-sm);
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.2rem 0;
  color: var(--text-dark);
  font-style: italic;
}

.article-content ul,
.article-content ol {
  margin: 1rem 0 1.2rem;
  padding-left: 1.4rem;
}

.article-content ul li {
  list-style: disc;
  margin-bottom: .5rem;
}

.article-content ol li {
  list-style: decimal;
  margin-bottom: .5rem;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.article-content th,
.article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.article-content th {
  background: var(--primary-soft);
  font-weight: 600;
  color: var(--text-dark);
}

.article-content tr:last-child td {
  border-bottom: none;
}

.article-content a {
  color: var(--accent);
  font-weight: 600;
}

.article-content a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 30px;
  background: var(--primary-soft);
  transition: all var(--transition);
}

.back-home:hover {
  background: var(--primary);
  color: #fff;
}

.not-found {
  text-align: center;
  padding: 60px 20px;
}

.not-found i {
  font-size: 3.5rem;
  color: var(--accent);
  margin-bottom: 20px;
  display: block;
}

.not-found h2 {
  font-size: 1.6rem;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.not-found p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 700;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-family);
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(15,43,70,.25);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15,43,70,.3);
  color: #fff;
}

.btn-block {
  width: 100%;
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(255,255,255,.2);
}

.btn-light:hover {
  transform: translateY(-2px);
  background: var(--bg-light);
  color: var(--primary);
}

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

.btn-gold:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 8px 24px rgba(201,162,75,.35);
}

/* ===== 侧边栏 ===== */
.article-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.sidebar-widget {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  padding: 26px 24px;
  transition: box-shadow var(--transition);
}

.sidebar-widget:hover {
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
}

.widget-title i {
  color: var(--accent);
}

.sidebar-posts li {
  margin-bottom: 4px;
}

.sidebar-posts li a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 10px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.sidebar-posts li a:hover {
  background: var(--primary-soft);
  transform: translateX(4px);
}

.post-index {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 8px;
  font-size: .75rem;
  font-weight: 800;
}

.post-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.post-title {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}

.sidebar-posts li a:hover .post-title {
  color: var(--accent);
}

.post-date {
  font-size: .75rem;
  color: var(--text-muted);
}

.sidebar-cats li {
  margin-bottom: 4px;
}

.sidebar-cats li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .9rem;
  color: var(--text-body);
  transition: all var(--transition);
}

.sidebar-cats li a:hover {
  background: var(--accent-soft);
  color: var(--primary);
  transform: translateX(4px);
}

.sidebar-cats li a i {
  color: var(--accent);
  font-size: .8rem;
}

.widget-empty {
  padding: 10px 0;
  color: var(--text-muted);
  font-size: .9rem;
}

.help-card {
  text-align: center;
  padding: 10px 4px;
}

.help-card i {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.help-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.help-card p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .article-sidebar {
    position: static;
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .article-card {
    padding: 28px 22px;
  }

  .article-content {
    font-size: .95rem;
  }
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 70px 0;
  background: var(--bg-white);
}

.section-head {
  text-align: center;
  margin-bottom: 45px;
}

.section-head h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -.5px;
}

.section-head p {
  color: var(--text-muted);
  font-size: .95rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

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

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

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

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform .5s ease;
}

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

.card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,43,70,.3), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.related-card:hover .card-cover::after {
  opacity: 1;
}

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

.card-body .badge {
  align-self: flex-start;
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.card-body h3 a {
  color: var(--text-dark);
}

.card-body h3 a:hover {
  color: var(--accent);
}

.card-body p {
  font-size: .86rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  -webkit-box-pack: start;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 700;
  color: var(--accent);
  transition: all var(--transition);
}

.read-more:hover {
  gap: 12px;
  color: var(--primary);
}

.empty-text {
  text-align: center;
  color: var(--text-muted);
  padding: 30px;
}

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

  .section-head h2 {
    font-size: 1.4rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== CTA ===== */
.cta-section {
  padding: 70px 0;
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  isolation: isolate;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,30,49,.94), rgba(15,43,70,.82));
  z-index: -1;
}

.cta-box {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.35;
}

.cta-box p {
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  margin-bottom: 32px;
}

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

@media (max-width: 768px) {
  .cta-box h2 {
    font-size: 1.4rem;
  }

  .cta-actions {
    gap: 12px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand .logo-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--primary);
}

.footer-brand p {
  font-size: .9rem;
  line-height: 1.75;
  max-width: 360px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--accent);
  border-radius: 4px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  color: rgba(255,255,255,.65);
  font-size: .88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.footer-links li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-links li a i {
  color: var(--accent);
  font-size: .75rem;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .87rem;
  margin-bottom: 12px;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
}

.footer-contact li i {
  color: var(--accent);
  font-size: .95rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  border-top: 1px solid rgba(255,255,255,.06);
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* ===== Focus / Active 状态 ===== */
a:focus,
button:focus {
  outline: 3px solid rgba(201,162,75,.5);
  outline-offset: 2px;
  border-radius: 6px;
}

a:active,
button:active {
  transform: scale(.97);
}