/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --primary:#0b6e4f;
  --primary-dark:#07543c;
  --primary-light:#12a073;
  --primary-bg:#e8f5ef;
  --accent:#f2a900;
  --accent-dark:#d49500;
  --accent-bg:#fff8e8;
  --bg:#f5f7fa;
  --white:#fff;
  --text:#1a202c;
  --text-muted:#64748b;
  --border:#e8ecf0;
  --radius:14px;
  --radius-lg:24px;
  --radius-sm:8px;
  --shadow:0 4px 24px rgba(0,0,0,.06);
  --shadow-hover:0 8px 32px rgba(0,0,0,.12);
  --shadow-lg:0 16px 48px rgba(0,0,0,.14);
  --transition:all .3s ease;
  --space-section:88px;
}
/* ========== Reset & Base ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1200px}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:50px;font-weight:600;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:var(--transition);
  text-decoration:none;line-height:1.4;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(11,110,79,.25)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(11,110,79,.35)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(242,169,0,.3)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(242,169,0,.4)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-white:hover{background:var(--primary-bg);transform:translateY(-2px)}
.btn-sm{padding:8px 20px;font-size:14px}
.btn-lg{padding:15px 36px;font-size:16px}
.btn:focus-visible{outline:3px solid rgba(11,110,79,.35);outline-offset:2px}
/* ========== 徽章 / 标签 ========== */
.badge{
  display:inline-block;padding:5px 14px;border-radius:30px;font-size:13px;font-weight:600;
  background:var(--primary-bg);color:var(--primary);line-height:1.4;
}
.badge-accent{background:var(--accent-bg);color:var(--accent-dark)}
.badge-white{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.35)}
/* ========== Header ========== */
.site-header{
  background:rgba(255,255,255,.95);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:900;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px;
}
.site-logo{
  display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;
}
.logo-icon{
  width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
  box-shadow:0 4px 12px rgba(11,110,79,.3);flex-shrink:0;
}
.logo-text{
  font-size:17px;font-weight:800;color:var(--text);letter-spacing:.3px;line-height:1.2;
}
.logo-text small{display:block;font-size:10px;font-weight:500;color:var(--text-muted);letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{
  padding:10px 18px;border-radius:30px;font-size:15px;font-weight:500;color:var(--text-muted);
  transition:var(--transition);position:relative;
}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-bg)}
.main-nav .nav-link.active{color:var(--primary);font-weight:700;background:var(--primary-bg)}
.header-actions{display:flex;align-items:center;gap:12px}
/* ========== Hero ========== */
.hero{
  position:relative;padding:110px 0 120px;color:#fff;
  background:linear-gradient(105deg,rgba(4,35,25,.92) 20%,rgba(7,60,44,.78) 55%,rgba(11,110,79,.55)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:'';position:absolute;bottom:-2px;left:0;right:0;height:80px;
  background:linear-gradient(to top,var(--bg),transparent);z-index:2;
}
.hero .grid-container{position:relative;z-index:3}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);padding:7px 18px;border-radius:30px;
  font-size:14px;font-weight:500;backdrop-filter:blur(6px);margin-bottom:24px;
}
.hero-badge i{color:var(--accent)}
.hero h1{
  font-size:48px;font-weight:900;line-height:1.2;margin-bottom:18px;letter-spacing:.5px;
  text-shadow:0 2px 20px rgba(0,0,0,.25);
}
.hero-subtitle{
  font-size:22px;font-weight:600;color:rgba(255,255,255,.92);margin-bottom:16px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.hero-subtitle .line{width:32px;height:3px;background:var(--accent);border-radius:3px;display:inline-block}
.hero-desc{
  font-size:16px;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:32px;line-height:1.8;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:0;margin-top:56px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);padding-top:36px;
}
.hero-stat{
  flex:1;min-width:140px;padding:8px 16px;border-right:1px solid rgba(255,255,255,.12);text-align:center;
}
.hero-stat:last-child{border-right:none}
.hero-stat .num{
  font-size:34px;font-weight:900;color:#fff;line-height:1.2;
}
.hero-stat .num i{font-size:26px;color:var(--accent);margin-right:4px}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.72);margin-top:6px}
/* ========== 通用板块头 ========== */
.section-head{text-align:center;margin-bottom:48px}
.section-head .section-tag{
  display:inline-block;font-size:14px;font-weight:600;color:var(--primary);
  padding:6px 18px;border-radius:30px;background:var(--primary-bg);margin-bottom:14px;
}
.section-head .section-tag i{margin-right:6px}
.section-head h2{
  font-size:34px;font-weight:800;color:var(--text);line-height:1.3;margin-bottom:12px;
}
.section-head p{
  font-size:17px;color:var(--text-muted);max-width:620px;margin:0 auto;line-height:1.7;
}
/* ========== 统计卡片区 ========== */
.stats-band{padding:56px 0;background:var(--white);border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--bg);border-radius:var(--radius);padding:32px 24px;text-align:center;
  border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden;
}
.stat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-light));
  opacity:0;transition:var(--transition);
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.stat-card:hover::before{opacity:1}
.stat-icon{
  width:56px;height:56px;border-radius:16px;background:var(--primary-bg);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 18px;
}
.stat-num{font-size:32px;font-weight:900;color:var(--text);line-height:1.2}
.stat-label{font-size:14px;color:var(--text-muted);margin-top:6px}
/* ========== 核心说明 ========== */
.intro-section{padding:var(--space-section) 0;background:var(--bg)}
.intro-card{
  background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.intro-img{position:relative;min-height:280px;background:url('/assets/images/coverpic/cover-1.png') center/cover no-repeat}
.intro-img .img-overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(to top,rgba(4,35,25,.6),transparent);
}
.intro-img .overlay-badge{
  position:absolute;bottom:20px;left:24px;background:rgba(255,255,255,.15);
  backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);
  color:#fff;padding:8px 18px;border-radius:30px;font-size:14px;
}
.intro-body{padding:40px}
.intro-body h2{font-size:28px;font-weight:800;margin-bottom:20px;line-height:1.4}
.intro-body h2 span{color:var(--primary)}
.intro-body p{color:var(--text-muted);line-height:1.85;margin-bottom:20px;font-size:15px}
.intro-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
/* ========== 分类入口 ========== */
.cat-section{padding:var(--space-section) 0;background:var(--white)}
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.cat-card{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--white);
  box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border);
  display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:transparent}
.cat-card-img{height:200px;position:relative;overflow:hidden}
.cat-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.cat-card:hover .cat-card-img img{transform:scale(1.05)}
.cat-card-img::after{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(to top,rgba(0,0,0,.2),transparent);
}
.cat-card-body{padding:28px;flex:1;display:flex;flex-direction:column}
.cat-card-body h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--text)}
.cat-card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1;margin-bottom:18px}
.cat-card-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;
  transition:var(--transition);
}
.cat-card-link:hover{gap:10px;color:var(--primary-dark)}
/* ========== 功能亮点 ========== */
.feature-section{padding:var(--space-section) 0;background:linear-gradient(135deg,#f0faf5,#e6f4ec)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:var(--white);border-radius:var(--radius);padding:30px 22px;text-align:center;
  border:1px solid rgba(255,255,255,.6);box-shadow:var(--shadow);transition:var(--transition);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-icon{
  width:60px;height:60px;border-radius:18px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;font-size:26px;position:relative;
}
.fi-1{background:#e8f5ef;color:#0b6e4f}
.fi-2{background:#fff8e8;color:#d49500}
.fi-3{background:#eef2ff;color:#4f46e5}
.fi-4{background:#fef2f2;color:#dc2626}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.65}
/* ========== 最新资讯 ========== */
.news-section{padding:var(--space-section) 0;background:var(--white)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-item{
  background:var(--bg);border-radius:var(--radius);padding:26px 28px;
  border:1px solid var(--border);transition:var(--transition);display:flex;flex-direction:column;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:var(--white)}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.news-date{font-size:13px;color:var(--text-muted)}
.news-date i{margin-right:4px}
.news-title{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:12px}
.news-title a{transition:var(--transition)}
.news-title a:hover{color:var(--primary)}
.news-excerpt{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px;flex:1}
.news-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  transition:var(--transition);
}
.news-link:hover{gap:10px;color:var(--primary-dark)}
.empty-tip{
  text-align:center;padding:40px;color:var(--text-muted);font-size:16px;grid-column:1/-1;background:var(--bg);
  border-radius:var(--radius);border:1px dashed var(--border);
}
/* ========== 使用流程 ========== */
.flow-section{padding:var(--space-section) 0;background:var(--bg);position:relative}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.flow-grid::before{
  content:'';position:absolute;top:60px;left:10%;right:10%;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.3;
}
.flow-step{text-align:center;position:relative;z-index:2}
.step-num{
  width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:800;
  margin:0 auto 20px;box-shadow:0 8px 24px rgba(11,110,79,.3);border:4px solid var(--bg);
}
.flow-step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.flow-step p{font-size:14px;color:var(--text-muted);line-height:1.65}
/* ========== FAQ ========== */
.faq-section{padding:var(--space-section) 0;background:var(--bg)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--white);border-radius:var(--radius);margin-bottom:14px;
  border:1px solid var(--border);transition:var(--transition);overflow:hidden;
}
.faq-item:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--shadow)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;padding:22px 28px;
  cursor:pointer;font-size:16px;font-weight:600;gap:16px;
}
.faq-q i{color:var(--primary);transition:transform .3s ease;font-size:14px;flex-shrink:0}
.faq-q.active i{transform:rotate(180deg)}
.faq-a{
  padding:0 28px;max-height:0;overflow:hidden;transition:max-height .4s ease,all .3s ease;
  color:var(--text-muted);font-size:15px;line-height:1.8;border-top:0 solid var(--border);
}
.faq-a.open{padding:0 28px 24px;max-height:400px;border-top-width:1px}
/* ========== CTA ========== */
.cta-section{
  padding:88px 0;position:relative;color:#fff;text-align:center;
  background:linear-gradient(115deg,rgba(4,35,25,.94),rgba(7,60,44,.85)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-section h2{font-size:36px;font-weight:900;margin-bottom:16px}
.cta-section p{font-size:18px;color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 36px;line-height:1.7}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:24px;font-size:14px;color:rgba(255,255,255,.6)}
/* ========== Footer ========== */
.site-footer{
  background:#0d1b16;color:rgba(255,255,255,.7);padding:64px 0 30px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:44px}
.footer-brand .footer-logo{
  font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.footer-brand .footer-logo .logo-icon{width:36px;height:36px;font-size:15px}
.footer-brand p{line-height:1.8}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{transition:var(--transition);color:rgba(255,255,255,.65)}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:26px;display:flex;
  justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
/* ========== 移动端底部Tab ========== */
.mobile-bottom-tab{
  display:none;
}
/* ========== 响应式 ========== */
@media (max-width:1023.98px){
  :root{--space-section:64px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .flow-grid::before{display:none}
  .hero{padding:80px 0 90px}
  .hero h1{font-size:38px}
  .hero-subtitle{font-size:19px}
}
@media (max-width:639.98px){
  :root{--space-section:48px}
  body{padding-bottom:64px}
  .mobile-bottom-tab{
    display:flex;position:fixed;bottom:0;left:0;right:0;z-index:1000;
    background:rgba(255,255,255,.98);backdrop-filter:blur(16px);
    border-top:1px solid var(--border);box-shadow:0 -4px 20px rgba(0,0,0,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-bottom-tab .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;padding:10px 4px 8px;
    color:var(--text-muted);font-size:11px;font-weight:500;transition:var(--transition);
    gap:2px;text-decoration:none;
  }
  .mobile-bottom-tab .tab-item i{font-size:20px}
  .mobile-bottom-tab .tab-item.active{color:var(--primary)}
  .mobile-bottom-tab .tab-item:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;border-radius:8px}
  .site-header{height:62px}
  .header-inner{height:62px}
  .logo-text{font-size:15px}
  .hero{padding:60px 0 70px}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-subtitle{font-size:17px}
  .hero-desc{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stat .num{font-size:26px}
  .hero-stat .num i{font-size:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr;gap:14px}
  .feature-card{padding:22px 16px}
  .feature-icon{width:48px;height:48px;font-size:20px;border-radius:14px}
  .news-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr 1fr;gap:20px}
  .step-num{width:64px;height:64px;font-size:22px}
  .section-head h2{font-size:26px}
  .cta-section h2{font-size:28px}
  .cta-section p{font-size:16px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .intro-body{padding:28px 24px}
  .intro-body h2{font-size:24px}
}
@media (max-width:360px){
  .hero h1{font-size:26px}
  .hero-stat{min-width:50%}
  .feature-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root {
  --primary: #0f6b3a;
  --primary-dark: #0a502b;
  --primary-light: #e8f5ee;
  --accent: #f6b93b;
  --accent-dark: #d19c28;
  --text: #1a2b2f;
  --text-light: #5b6b70;
  --bg: #f5f7f6;
  --white: #ffffff;
  --border: #e2e8e4;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 8px 28px rgba(15, 65, 40, 0.08);
  --shadow-hover: 0 16px 40px rgba(15, 65, 40, 0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing: 5rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; margin: 0; overflow-x: hidden; }
img { max-width: 100%; height: auto; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
.grid-container { max-width: 1200px; padding-left: 1.25rem; padding-right: 1.25rem; margin-left: auto; margin-right: auto; }
/* ===== Header ===== */
.site-header { background: var(--white); box-shadow: 0 1px 0 rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 1rem; }
.site-logo { display: inline-flex; align-items: center; gap: 0.65rem; font-weight: 800; font-size: 1.1rem; color: var(--text); }
.site-logo:hover { color: var(--primary); }
.logo-icon { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; background: linear-gradient(135deg, var(--primary), #1a9b5a); color: #fff; font-size: 1.05rem; box-shadow: 0 4px 12px rgba(15, 107, 58, 0.25); }
.logo-text { display: inline-flex; flex-direction: column; line-height: 1.15; }
.logo-text small { font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; color: var(--text-light); }
.main-nav { display: flex; align-items: center; gap: 0.35rem; }
.main-nav .nav-link { display: inline-flex; align-items: center; padding: 0.55rem 1.05rem; border-radius: 10px; font-weight: 600; font-size: 0.92rem; color: var(--text); }
.main-nav .nav-link:hover { background: var(--primary-light); color: var(--primary); }
.main-nav .nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(15, 107, 58, 0.3); }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; border-radius: 12px; font-weight: 700; font-size: 0.95rem; line-height: 1.2; padding: 0.7rem 1.4rem; border: 2px solid transparent; transition: var(--transition); cursor: pointer; text-align: center; }
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15, 107, 58, 0.3); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary) !important; }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary-dark); color: var(--primary-dark) !important; }
.btn-accent { background: var(--accent); color: #382a00 !important; }
.btn-accent:hover { background: var(--accent-dark); color: #fff !important; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(246, 185, 59, 0.4); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; border-radius: 10px; }
.btn-lg { padding: 0.9rem 1.9rem; font-size: 1.05rem; }
/* ===== Bottom Tab (Mobile) ===== */
.bottom-tabs { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: rgba(255,255,255,0.96); backdrop-filter: blur(18px); border-top: 1px solid var(--border); z-index: 99; box-shadow: 0 -10px 30px rgba(0,0,0,0.06); }
.bottom-tab { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 0.55rem 0.35rem; color: var(--text-light); font-size: 0.72rem; font-weight: 600; }
.bottom-tab i { font-size: 1.2rem; }
.bottom-tab.active { color: var(--primary); }
@media (max-width: 768px) {
  .main-nav { display: none; }
  .header-actions .btn-primary { display: none; }
  .bottom-tabs { display: flex; }
  body { padding-bottom: 66px; }
}
/* ===== Hero ===== */
.page-hero { position: relative; padding: 4.5rem 0 3rem; background-color: var(--primary-dark); background-image: linear-gradient(135deg, rgba(15,107,58,0.92), rgba(8,60,35,0.95)), url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; color: #fff; }
.page-hero-inner { position: relative; z-index: 2; max-width: 860px; }
.page-hero .breadcrumb { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; color: rgba(255,255,255,0.8); margin-bottom: 1.2rem; background: rgba(255,255,255,0.1); padding: 0.3rem 0.9rem; border-radius: 30px; }
.page-hero .breadcrumb a { color: rgba(255,255,255,0.9); font-weight: 600; }
.page-hero h1 { font-size: clamp(1.75rem, 3vw, 2.6rem); font-weight: 800; line-height: 1.35; margin-bottom: 0.75rem; }
.page-hero .meta-line { display: flex; flex-wrap: wrap; gap: 1.1rem; font-size: 0.86rem; color: rgba(255,255,255,0.75); margin-top: 1.4rem; }
.page-hero .meta-line span { display: inline-flex; align-items: center; gap: 0.4rem; }
/* ===== Article Main ===== */
.article-main { padding: 3.5rem 0 var(--spacing); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 2.5rem; }
.article-body { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(1.5rem, 3.5vw, 3rem); }
.article-body .content { font-size: 1rem; line-height: 1.95; color: var(--text); }
.article-body .content p { margin-bottom: 1.4rem; }
.article-body .content h2 { font-size: 1.5rem; margin: 2rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--primary-light); color: var(--primary-dark); }
.article-body .content h3 { font-size: 1.2rem; margin: 1.5rem 0 0.8rem; color: var(--primary); }
.article-body .content ul, .article-body .content ol { margin: 0 0 1.4rem 1.2rem; }
.article-body .content li { margin-bottom: 0.5rem; }
.article-body .content blockquote { background: var(--primary-light); border-left: 4px solid var(--primary); padding: 1rem 1.5rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.5rem 0; }
.article-body .content img { border-radius: var(--radius); box-shadow: var(--shadow); margin: 1rem 0; width: 100%; object-fit: cover; }
.article-tags { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.badge { display: inline-block; background: var(--primary-light); color: var(--primary-dark); font-size: 0.8rem; font-weight: 700; padding: 0.3rem 0.85rem; border-radius: 30px; border: 1px solid rgba(15,107,58,0.15); }
.not-found-box { text-align: center; padding: 5rem 1.5rem; }
.not-found-box .icon { width: 72px; height: 72px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 1.2rem; }
/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 1.8rem; }
.sidebar-card { background: var(--white); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.03); }
.sidebar-card h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 1.2rem; display: flex; align-items: center; gap: 0.5rem; color: var(--primary-dark); }
.sidebar-card h3::after { content: ''; flex: 1; height: 2px; background: linear-gradient(90deg, var(--primary-light), transparent); border-radius: 2px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { padding: 0.6rem 0; border-bottom: 1px dashed var(--border); font-size: 0.9rem; }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { color: var(--text); font-weight: 500; }
.sidebar-list a:hover { color: var(--primary); padding-left: 0.2rem; }
.cta-side { background: linear-gradient(145deg, var(--primary), #0a502b); color: #fff; border: none; position: relative; overflow: hidden; }
.cta-side::after { content: ''; position: absolute; width: 120px; height: 120px; border-radius: 50%; background: rgba(255,255,255,0.08); top: -30px; right: -30px; }
.cta-side h3 { color: #fff; }
.cta-side .btn { width: 100%; margin-top: 0.6rem; }
/* ===== Related Section ===== */
.related-section { padding: 0 0 var(--spacing); }
.related-section .grid-x { gap: 1.8rem; }
.section-header { margin-bottom: 2.2rem; }
.section-header h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 800; color: var(--text); }
.section-header p { color: var(--text-light); font-size: 0.95rem; max-width: 640px; }
.primary-divider { width: 56px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; margin-bottom: 1rem; }
/* ===== Cards ===== */
.article-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.04); transition: var(--transition); border: 1px solid rgba(0,0,0,0.04); }
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.article-card .card-media { height: 180px; overflow: hidden; }
.article-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.article-card:hover .card-media img { transform: scale(1.05); }
.article-card .card-content { padding: 1.4rem; }
.article-card .card-content h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.5; }
.article-card .card-content h3 a { color: var(--text); }
.article-card .card-content h3 a:hover { color: var(--primary); }
.article-card .card-meta { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 1rem; margin-top: 0.8rem; }
/* ===== CTA Panel ===== */
.cta-panel { background: linear-gradient(145deg, var(--primary), var(--primary-dark)); border-radius: var(--radius-lg); padding: clamp(2.5rem, 6vw, 4.5rem); text-align: center; position: relative; overflow: hidden; }
.cta-panel::before { content: ''; position: absolute; width: 200px; height: 200px; border-radius: 50%; background: rgba(246,185,59,0.12); top: -60px; right: -60px; display: block; }
.cta-panel::after { content: ''; position: absolute; width: 120px; height: 120px; border-radius: 50%; background: rgba(246,185,59,0.10); bottom: -40px; left: -40px; display: block; }
.cta-panel h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 0.8rem; }
.cta-panel p { color: rgba(255,255,255,0.85); font-size: 1.02rem; margin-bottom: 1.8rem; max-width: 600px; margin-left: auto; margin-right: auto; }
/* ===== Footer ===== */
.site-footer { background: #0c2e1c; color: rgba(255,255,255,0.78); padding: 4rem 0 2.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-logo { display: flex; align-items: center; gap: 0.7rem; font-size: 1.15rem; font-weight: 800; color: #fff; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; color: rgba(255,255,255,0.65); }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col a { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 1.8rem; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; font-size: 0.85rem; color: rgba(255,255,255,0.55); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 1.8rem; }
  .footer-grid { gap: 1.8rem; }
}
@media (max-width: 768px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { order: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  :root { --spacing: 3rem; }
  .page-hero { padding: 3rem 0 2.2rem; }
  .article-main { padding: 2.2rem 0 var(--spacing); }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 0.9rem; padding-right: 0.9rem; }
  .article-body { padding: 1.3rem; }
  .article-card .card-media { height: 150px; }
  .header-inner { min-height: 64px; }
  .logo-text small { display: none; }
}
@media print {
  .site-header, .site-footer, .bottom-tabs, .article-sidebar, .cta-panel { display: none; }
  body { padding: 0; }
  .article-layout { grid-template-columns: 1fr; }
}

/* roulang page: category2 */
/* ============ Design Variables ============ */
:root {
  --primary: #0f1e3d;
  --primary-light: #1a2b4c;
  --accent: #e8b84b;
  --accent-hover: #d4a336;
  --bg-light: #f7f8fc;
  --bg-white: #fff;
  --bg-dark: #0b1628;
  --text-dark: #16233a;
  --text-body: #4a586e;
  --text-muted: #8a97ab;
  --border: #e4e9f0;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 30, 61, 0.05);
  --shadow-md: 0 8px 28px rgba(15, 30, 61, 0.09);
  --shadow-lg: 0 18px 45px rgba(15, 30, 61, 0.14);
  --transition: all 0.3s ease;
}

/* ============ Reset & Base ============ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol, p, h1, h2, h3, h4, h5, h6, figure {
  margin: 0;
  padding: 0;
}

button, input, select, textarea { font-family: inherit; }

:focus-visible {
  outline: 3px solid rgba(232, 184, 75, 0.55);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #f0c96a);
  color: var(--primary);
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(232, 184, 75, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover), #e2b343);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(232, 184, 75, 0.4);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 30, 61, 0.18);
}

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

.btn-light:hover {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn .fa-arrow-right {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.btn:hover .fa-arrow-right {
  transform: translateX(4px);
}

/* ============ Header ============ */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .grid-container {
  max-width: 1200px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #213a63);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(15, 30, 61, 0.22);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.logo-text small {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  padding: 6px 2px;
  transition: var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  border-radius: 4px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 700;
}

.nav-link.active::after {
  width: 100%;
}

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

/* ============ Hero / Banner ============ */
.hero {
  position: relative;
  background:
    linear-gradient(to right, rgba(11, 22, 40, 0.92) 0%, rgba(11, 22, 40, 0.78) 50%, rgba(11, 22, 40, 0.55) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding: 88px 0 96px;
  color: #fff;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(232, 184, 75, 0.12);
  filter: blur(48px);
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 24px;
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
  transition: var(--transition);
}

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

.hero-breadcrumb .sep {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
}

.hero-breadcrumb .current {
  color: var(--accent);
  font-weight: 600;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 184, 75, 0.15);
  border: 1px solid rgba(232, 184, 75, 0.35);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  color: #fff;
  max-width: 640px;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

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

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

.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.hero-stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 4px;
}

/* ============ Sections ============ */
.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(232, 184, 75, 0.12);
  border-radius: 50px;
  padding: 4px 16px;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============ Category Cards ============ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 184, 75, 0.4);
}

.cat-card-media {
  position: relative;
  height: 160px;
  overflow: hidden;
}

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

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

.cat-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 22, 40, 0.45), transparent 65%);
}

.cat-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--accent);
  padding: 3px 12px;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

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

.cat-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.cat-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 16px;
}

.cat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.cat-card-link i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.cat-card-link:hover {
  color: var(--accent-hover);
}

.cat-card-link:hover i {
  transform: translateX(4px);
}

/* ============ Steps ============ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

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

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(15, 30, 61, 0.2);
}

.step-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ============ Detail blocks ============ */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.detail-grid:last-child {
  margin-bottom: 0;
}

.detail-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.detail-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.detail-content .detail-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(232, 184, 75, 0.12);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.detail-content h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.4;
}

.detail-content p {
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 20px;
}

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

.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
  color: var(--text-body);
}

.detail-list li:last-child {
  border-bottom: none;
}

.detail-list li i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 14px;
}

/* ============ Security Tips ============ */
.security-section {
  background:
    linear-gradient(rgba(11, 22, 40, 0.9), rgba(11, 22, 40, 0.9)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color: #fff;
  padding: 80px 0;
}

.security-section .section-title {
  color: #fff;
}

.security-section .section-subtitle {
  color: rgba(255, 255, 255, 0.65);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.security-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}

.security-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.security-item .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(232, 184, 75, 0.18);
  color: var(--accent);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.security-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.security-item p {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
}

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

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(232, 184, 75, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  list-style: none;
  transition: var(--transition);
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.3s ease;
}

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

.faq-item[open] summary {
  color: var(--accent-hover);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-body);
}

/* ============ CTA ============ */
.cta-section {
  position: relative;
  background:
    linear-gradient(to right, rgba(15, 30, 61, 0.95), rgba(11, 22, 40, 0.85)),
    url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  padding: 76px 0;
  text-align: center;
  color: #fff;
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 32px;
}

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

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 0;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom i {
  color: var(--accent);
  margin-right: 4px;
}

/* ============ Mobile Bottom Nav ============ */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: #fff;
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 18px rgba(15, 30, 61, 0.08);
  height: 64px;
  padding: 0 env(safe-area-inset-bottom);
}

.mobile-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.mobile-nav-item i {
  font-size: 18px;
  color: var(--text-muted);
  transition: var(--transition);
}

.mobile-nav-item span {
  line-height: 1;
}

.mobile-nav-item:hover,
.mobile-nav-item:hover i {
  color: var(--primary);
}

.mobile-nav-item.active {
  color: var(--primary);
  font-weight: 700;
}

.mobile-nav-item.active i {
  color: var(--accent);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-title {
    font-size: 34px;
  }
}

@media (max-width: 900px) {
  .main-nav {
    gap: 20px;
  }

  .nav-link {
    font-size: 14px;
  }

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

  .detail-grid .detail-media {
    order: -1;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 64px;
  }

  .site-header {
    position: sticky;
  }

  .header-inner {
    justify-content: center;
  }

  .main-nav,
  .header-actions {
    display: none !important;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-stats {
    gap: 28px;
  }

  .hero-stat .num {
    font-size: 22px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 26px;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-inner h2 {
    font-size: 26px;
  }

  .detail-media img {
    height: 240px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-buttons .btn {
    padding: 10px 20px;
    font-size: 14px;
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 20px;
    flex-direction: column;
  }

  .section-title {
    font-size: 24px;
  }

  .cat-card-media {
    height: 140px;
  }

  .footer-bottom {
    font-size: 12px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 16px 18px;
  }

  .faq-answer {
    padding: 0 18px 18px;
    font-size: 13px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #d92732;
  --primary-dark: #b01c26;
  --primary-deep: #7f1420;
  --accent: #f5b50b;
  --navy: #101d33;
  --navy-light: #1c2e4a;
  --bg: #f4f7fb;
  --white: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e4e9f2;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(16, 29, 51, 0.08);
  --shadow-lg: 0 20px 50px rgba(16, 29, 51, 0.16);
  --space: 90px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 74px;
}

body, h1, h2, h3, h4, h5, h6 {
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

button, input, textarea {
  font: inherit;
}

.grid-container {
  max-width: 1240px;
  padding-left: 22px;
  padding-right: 22px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(16, 29, 51, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 20px;
  box-shadow: 0 10px 22px rgba(217, 39, 50, 0.28);
  flex: 0 0 auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--text);
  white-space: nowrap;
}

.logo-text small {
  display: block;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-top: 2px;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.nav-link:hover {
  color: var(--primary);
  background: #fff1f2;
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(217, 39, 50, 0.28);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 14px;
  font-weight: 800;
  border: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn-sm {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(217, 39, 50, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(217, 39, 50, 0.34);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.48);
  transform: translateY(-2px);
}

.page-hero {
  position: relative;
  padding: 110px 0 100px;
  background: linear-gradient(120deg, rgba(16, 29, 51, 0.96) 0%, rgba(16, 29, 51, 0.84) 50%, rgba(127, 20, 32, 0.78) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(245, 181, 11, 0.18), transparent 42%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 22px;
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.92);
}

.hero-breadcrumb i {
  color: rgba(255, 255, 255, 0.45);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  margin-bottom: 18px;
}

.hero-badge i {
  color: var(--accent);
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.14;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.hero-subtitle {
  max-width: 720px;
  margin: 0 auto 22px;
  font-size: 1.08rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.hero-tags .tag i {
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.section {
  padding: var(--space) 0;
}

.section-alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 780px;
  margin: 0 auto 48px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: #fff1f2;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin: 18px 0 12px;
  color: var(--text);
}

.section-desc {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--muted);
}

.section-head.light .section-title {
  color: #fff;
}

.section-head.light .section-desc {
  color: rgba(255, 255, 255, 0.72);
}

.section-head.light .eyebrow {
  background: rgba(245, 181, 11, 0.16);
  color: var(--accent);
}

.entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: #f0a8ad;
}

.entry-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #fff1f2, #ffe9c7);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  box-shadow: 0 8px 16px rgba(217, 39, 50, 0.1);
}

.entry-card h3 {
  font-size: 1.12rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.5;
}

.entry-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--primary);
  font-size: 0.9rem;
  margin-top: auto;
  transition: gap 0.25s ease;
}

.card-link:hover {
  gap: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.entry-card .badge {
  position: absolute;
  top: 18px;
  right: 18px;
}

.badge-hot {
  background: #fff3cd;
  color: #c77b06;
}

.badge-online {
  background: #e5f9f0;
  color: #0b9b68;
}

.badge-stable {
  background: #e8f0fe;
  color: #2d62d6;
}

.entry-card.is-list {
  padding: 26px;
}

.entry-card.is-list h3 {
  padding-right: 56px;
}

.entry-status {
  position: relative;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin-bottom: 18px;
}

.entry-status::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: currentColor;
  opacity: 0.18;
}

.entry-status.is-online {
  background: #16a34a;
  color: #16a34a;
}

.entry-status.is-recommend {
  background: var(--accent);
  color: var(--accent);
}

.entry-status.is-standby {
  background: #2f6fed;
  color: #2f6fed;
}

.media-grid .cell {
  display: flex;
}

.info-media {
  height: 100%;
  min-height: 360px;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.info-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info-content {
  width: 100%;
  padding: 42px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 32px;
}

.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #f8fafd;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.feature-list li:hover {
  border-color: #f0a8ad;
  background: #fff;
  box-shadow: var(--shadow);
}

.feature-list i {
  color: var(--primary);
  font-size: 1.1rem;
  margin-top: 4px;
}

.feature-list li div {
  display: flex;
  flex-direction: column;
}

.feature-list strong {
  font-weight: 800;
  margin-bottom: 2px;
}

.feature-list span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.stats-card {
  position: relative;
  padding: 64px 40px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.stats-card::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 181, 11, 0.16), transparent 60%);
  top: -120px;
  right: -80px;
}

.stats-card::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 39, 50, 0.18), transparent 60%);
  bottom: -80px;
  left: -60px;
}

.stats-card > * {
  position: relative;
  z-index: 2;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: 30px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.25s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.12);
}

.stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 600;
}

.post-card {
  height: 100%;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.post-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #edf1f7;
}

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

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

.post-body {
  padding: 24px;
}

.post-body .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff1f2;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.post-body h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 10px;
  line-height: 1.5;
}

.post-body p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.post-body .card-link {
  margin-top: 0;
}

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

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(16, 29, 51, 0.04);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item[open] {
  border-color: #f0a8ad;
  box-shadow: var(--shadow);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
  font-size: 0.8rem;
}

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

.faq-item[open] summary {
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 24px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 0.96rem;
}

.cta-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(120deg, rgba(16, 29, 51, 0.95), rgba(127, 20, 32, 0.86)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 18px;
}

.footer-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.85;
  max-width: 420px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 26px 0 30px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.56);
}

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

.mobile-tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -6px 24px rgba(16, 29, 51, 0.08);
}

.mobile-tabbar .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px 0;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 14px;
  transition: color 0.2s ease, background 0.2s ease;
}

.mobile-tabbar .tab-item i {
  font-size: 1.15rem;
}

.mobile-tabbar .tab-item.active {
  color: var(--primary);
  background: #fff1f2;
  font-weight: 800;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(217, 39, 50, 0.4);
  outline-offset: 2px;
  border-radius: 8px;
}

@media (max-width: 900px) {
  .main-nav,
  .header-actions {
    display: none !important;
  }
}

@media (min-width: 901px) {
  .main-nav,
  .header-actions {
    display: flex !important;
  }

  .mobile-tabbar {
    display: none !important;
  }

  body {
    padding-bottom: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --space: 60px;
  }

  .page-hero {
    padding: 80px 0 70px;
  }

  .page-hero h1 {
    font-size: 1.9rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .info-content {
    padding: 28px;
  }

  .stats-card {
    padding: 44px 22px;
  }

  .footer-bottom {
    padding-bottom: 26px;
  }
}

@media (max-width: 520px) {
  .header-inner {
    min-height: 72px;
    gap: 12px;
  }

  .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 17px;
  }

  .logo-text {
    font-size: 1.05rem;
  }

  .logo-text small {
    font-size: 0.5rem;
    letter-spacing: 0.12em;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .entry-card {
    padding: 22px;
  }

  .hero-tags {
    gap: 8px;
  }

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-num {
    font-size: 1.8rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}