/* roulang page: index */
:root{
  --primary:#0f2a43;
  --primary-dark:#081c30;
  --accent:#c9a35c;
  --accent-light:#e8d5ab;
  --bg:#f7f5f1;
  --bg-alt:#ffffff;
  --text:#1c2b3a;
  --text-weak:#5b6b7b;
  --border:#e5e0d6;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px rgba(15,42,67,.08);
  --shadow-lg:0 20px 60px rgba(15,42,67,.12);
  --transition:all .3s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button,input,select,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}
.btn:focus,.form-control:focus,.nav-link:focus{outline:2px solid var(--accent);outline-offset:2px;box-shadow:none!important}
.container{max-width:var(--container);padding-left:24px;padding-right:24px;margin:0 auto}
.d-none-important{display:none!important}
.text-accent{color:var(--accent)!important}
.text-primary{color:var(--primary)!important}
.bg-dark{background:var(--primary)!important}
.rounded-card{border-radius:var(--radius)!important}
.shadow-card{box-shadow:var(--shadow)!important}

/* ===== Header & Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:var(--primary);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 4px 30px rgba(0,0,0,.2);
}
.top-bar{
  background:var(--primary-dark);
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:6px 0;
  font-size:13px;
  color:rgba(255,255,255,.65);
}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.top-bar .hot-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.top-bar .hot-tags a{color:rgba(255,255,255,.75);padding:2px 10px;border-radius:20px;background:rgba(255,255,255,.08);font-size:12px;transition:var(--transition)}
.top-bar .hot-tags a:hover{background:var(--accent);color:#fff}
.navbar-brand-wrap{display:flex;align-items:center;gap:14px;padding:12px 0}
.navbar-brand{display:flex;align-items:center;gap:10px;font-size:1.55rem;font-weight:800;letter-spacing:.5px;color:#fff!important;line-height:1.2}
.navbar-brand .brand-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#a88444);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;box-shadow:0 4px 12px rgba(201,163,92,.4)}
.navbar-brand .brand-sub{font-size:11px;font-weight:400;color:rgba(255,255,255,.6);display:block;letter-spacing:1px;margin-top:-3px}
.navbar{background:transparent!important;padding-top:0;padding-bottom:0}
.navbar .navbar-nav{display:flex;gap:2px}
.navbar .nav-link{
  color:rgba(255,255,255,.8)!important;
  font-size:15px;font-weight:500;
  padding:12px 18px!important;
  border-radius:8px 8px 0 0;
  position:relative;
  transition:var(--transition);
  border-bottom:2px solid transparent;
}
.navbar .nav-link:hover{color:#fff!important;background:rgba(255,255,255,.06)}
.navbar .nav-link.active{color:#fff!important;background:rgba(255,255,255,.1);border-bottom-color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-search{position:relative;width:220px}
.header-search input{
  width:100%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.15);
  border-radius:50px;color:#fff;padding:8px 38px 8px 16px;font-size:14px;
  transition:var(--transition);
}
.header-search input::placeholder{color:rgba(255,255,255,.55)}
.header-search input:focus{background:rgba(255,255,255,.18);border-color:var(--accent)}
.header-search .search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,.6);font-size:14px;pointer-events:none}
.navbar-toggler{border:none;color:#fff;font-size:22px;background:rgba(255,255,255,.12);border-radius:8px;padding:6px 12px;line-height:1}
.navbar-toggler:focus{box-shadow:none}
@media(max-width:991px){
  .header-search{display:none}
  .navbar .navbar-nav{margin-top:10px;padding-bottom:16px;gap:0}
  .navbar .nav-link{border-radius:8px;border-bottom:none;padding:12px 16px!important}
  .navbar .nav-link.active{background:rgba(201,163,92,.18);border-left:3px solid var(--accent)}
  .navbar-collapse{background:var(--primary-dark);border-radius:12px;padding:12px 16px;margin-top:8px}
}
@media(max-width:576px){
  .top-bar .hot-tags{display:none}
  .container{padding-left:16px;padding-right:16px}
  .navbar-brand{font-size:1.3rem}
  .navbar-brand .brand-icon{width:34px;height:34px;font-size:16px}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#17375a 100%);
  color:#fff;
  padding:72px 0 88px;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:0;right:0;bottom:0;left:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.22;
}
.hero::after{
  content:'';position:absolute;bottom:-80px;left:-60px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(201,163,92,.25) 0%,transparent 70%);
  border-radius:50%;
}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:700px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,163,92,.2);border:1px solid rgba(201,163,92,.4);
  color:var(--accent-light);border-radius:50px;padding:6px 18px;font-size:13px;font-weight:500;
  margin-bottom:22px;
  backdrop-filter:blur(4px);
}
.hero h1{
  font-size:2.8rem;font-weight:800;line-height:1.25;
  margin-bottom:18px;letter-spacing:1px;
}
.hero h1 .highlight{color:var(--accent)}
.hero p.lead{
  font-size:1.125rem;color:rgba(255,255,255,.8);line-height:1.8;
  margin-bottom:32px;max-width:600px;
}
.hero-stats{
  display:flex;gap:36px;flex-wrap:wrap;margin-top:40px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.15);
}
.hero-stats .stat-item .num{font-size:1.8rem;font-weight:800;color:var(--accent)}
.hero-stats .stat-item .label{font-size:13px;color:rgba(255,255,255,.6)}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.15);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(8px);
  max-width:440px;
  margin-left:auto;
}
.hero-visual img{width:100%;object-fit:cover;opacity:.9}
.hero-visual .visual-caption{
  position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(to top,rgba(0,0,0,.7),transparent);
  padding:36px 22px 18px;font-size:14px;color:rgba(255,255,255,.85);
}
@media(max-width:991px){
  .hero{padding:56px 0 64px;text-align:center}
  .hero-content{margin:0 auto}
  .hero-visual{margin:40px auto 0}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-stats{justify-content:center}
}
@media(max-width:576px){
  .hero h1{font-size:2rem}
  .hero p.lead{font-size:1rem}
  .hero-stats{gap:20px}
  .hero-stats .stat-item .num{font-size:1.4rem}
}

/* ===== Section General ===== */
.section{padding:72px 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head .section-tag{
  display:inline-block;background:rgba(201,163,92,.12);color:#8f6c2f;
  font-size:13px;font-weight:600;letter-spacing:1px;
  padding:6px 16px;border-radius:50px;margin-bottom:14px;
}
.section-head h2{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:12px;letter-spacing:.5px}
.section-head p{color:var(--text-weak);font-size:1rem;line-height:1.7}
@media(max-width:576px){
  .section{padding:56px 0}
  .section-head h2{font-size:1.6rem}
}

/* ===== Feature Cards ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--bg-alt);border-radius:var(--radius);padding:36px 28px;
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:var(--transition);position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),transparent);
  opacity:0;transition:var(--transition);
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-card:hover::before{opacity:1}
.feature-card .feature-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--accent);margin-bottom:20px;
  box-shadow:0 8px 20px rgba(15,42,67,.2);
}
.feature-card h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:0}
@media(max-width:991px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:576px){
  .feature-grid{grid-template-columns:1fr}
}

/* ===== Category Cards ===== */
.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.category-card{
  display:flex;gap:18px;align-items:stretch;
  background:var(--bg-alt);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:var(--transition);text-decoration:none;
}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.category-card .cat-img{width:200px;min-height:180px;object-fit:cover;flex-shrink:0}
.category-card .cat-body{padding:24px 22px;display:flex;flex-direction:column;justify-content:center}
.category-card .cat-badge{
  align-self:flex-start;background:rgba(201,163,92,.15);color:#8f6c2f;
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;
}
.category-card h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.category-card p{font-size:14px;color:var(--text-weak);line-height:1.65;margin-bottom:12px}
.category-card .cat-link{font-size:13px;font-weight:600;color:var(--accent);display:flex;align-items:center;gap:6px}
.category-card .cat-link i{transition:transform .3s ease}
.category-card:hover .cat-link i{transform:translateX(5px)}
@media(max-width:991px){
  .category-grid{grid-template-columns:1fr}
  .category-card .cat-img{width:160px}
}
@media(max-width:576px){
  .category-card{flex-direction:column}
  .category-card .cat-img{width:100%;height:160px}
}

/* ===== Article News List ===== */
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-card{
  display:flex;gap:18px;background:var(--bg-alt);
  border-radius:var(--radius);padding:20px;border:1px solid var(--border);
  box-shadow:var(--shadow);transition:var(--transition);align-items:flex-start;
}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.news-card .news-thumb{width:150px;height:110px;object-fit:cover;border-radius:12px;flex-shrink:0}
.news-card .news-body{flex:1;min-width:0}
.news-card .news-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.news-card .news-cat{
  background:var(--primary);color:#fff;font-size:12px;
  padding:2px 12px;border-radius:20px;font-weight:500;
}
.news-card .news-date{font-size:12px;color:var(--text-weak);display:flex;align-items:center;gap:4px}
.news-card h3{font-size:1rem;font-weight:700;color:var(--primary);line-height:1.45;margin-bottom:6px}
.news-card h3 a{text-decoration:none}
.news-card h3 a:hover{color:var(--accent)}
.news-card .news-desc{
  font-size:13px;color:var(--text-weak);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-tip{grid-column:1/-1;text-align:center;padding:40px 20px;background:var(--bg-alt);border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-weak)}
@media(max-width:768px){
  .news-grid{grid-template-columns:1fr}
}
@media(max-width:576px){
  .news-card{flex-direction:column}
  .news-card .news-thumb{width:100%;height:180px}
}

/* ===== Featured / Image Text ===== */
.featured-row{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.featured-image{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg)}
.featured-image img{width:100%;height:380px;object-fit:cover}
.featured-image .img-tag{
  position:absolute;top:18px;left:18px;background:rgba(15,42,67,.85);
  color:#fff;font-size:13px;padding:6px 16px;border-radius:30px;backdrop-filter:blur(4px);
}
.featured-content h2{font-size:1.8rem;font-weight:800;color:var(--primary);margin-bottom:18px}
.featured-content h2 span{color:var(--accent)}
.featured-content p{font-size:15px;color:var(--text-weak);line-height:1.85;margin-bottom:14px}
.featured-list{list-style:none;margin:20px 0 0;padding:0}
.featured-list li{
  display:flex;align-items:flex-start;gap:12px;padding:10px 0;
  font-size:15px;color:var(--text);
  border-bottom:1px solid var(--border);
}
.featured-list li:last-child{border-bottom:none}
.featured-list li i{color:var(--accent);margin-top:4px;font-size:16px}
@media(max-width:991px){
  .featured-row{grid-template-columns:1fr;gap:32px}
}

/* ===== Data Stats ===== */
.stats-block{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  border-radius:24px;padding:56px 48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  text-align:center;position:relative;overflow:hidden;
  color:#fff;
}
.stats-block::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.08;
}
.stats-block .stat-box{position:relative;z-index:1}
.stats-block .stat-num{font-size:2.6rem;font-weight:800;color:var(--accent);line-height:1.2}
.stats-block .stat-label{font-size:14px;color:rgba(255,255,255,.65);margin-top:6px}
@media(max-width:991px){
  .stats-block{grid-template-columns:repeat(2,1fr);padding:44px 28px}
}
@media(max-width:576px){
  .stats-block{grid-template-columns:1fr 1fr;gap:24px;padding:36px 20px}
  .stats-block .stat-num{font-size:1.8rem}
}

/* ===== Step Process ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{
  text-align:center;padding:30px 16px;position:relative;
  background:var(--bg-alt);border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:var(--transition);
}
.process-step:hover{transform:translateY(-4px)}
.process-step .step-num{
  width:46px;height:46px;margin:0 auto 16px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#a88444);
  color:#fff;font-weight:800;font-size:1.1rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(201,163,92,.35);
}
.process-step h3{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.process-step p{font-size:13px;color:var(--text-weak);line-height:1.65;margin-bottom:0}
@media(max-width:991px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:576px){
  .process-grid{grid-template-columns:1fr}
}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--bg-alt);border-radius:var(--radius-sm);
  margin-bottom:14px;border:1px solid var(--border);
  overflow:hidden;transition:var(--transition);
}
.faq-item:hover{border-color:var(--accent)}
.faq-item summary{
  padding:20px 24px;cursor:pointer;font-size:1rem;font-weight:600;
  color:var(--primary);display:flex;align-items:center;justify-content:space-between;
  gap:16px;list-style:none;transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{
  width:28px;height:28px;border-radius:50%;background:rgba(201,163,92,.15);
  color:#8f6c2f;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;flex-shrink:0;transition:transform .3s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-item .faq-answer{padding:18px 24px;font-size:14px;color:var(--text-weak);line-height:1.75}

/* ===== CTA ===== */
.cta-block{
  background:linear-gradient(135deg,var(--primary) 0%,#1a3a5c 100%);
  border-radius:24px;padding:56px 48px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta-block::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.1;
}
.cta-block .cta-content{position:relative;z-index:1}
.cta-block h2{font-size:2rem;font-weight:800;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.7);font-size:1.05rem;margin-bottom:28px}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#a88444);
  color:#fff;font-weight:600;font-size:15px;
  padding:14px 36px;border-radius:50px;border:none;
  display:inline-flex;align-items:center;gap:10px;
  transition:var(--transition);box-shadow:0 8px 24px rgba(201,163,92,.35);
}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(201,163,92,.5);color:#fff}
.btn-outline-light{
  background:transparent;border:2px solid rgba(255,255,255,.6);
  color:#fff;font-weight:600;font-size:15px;
  padding:13px 32px;border-radius:50px;
  transition:var(--transition);
}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-primary-cta{
  background:var(--primary);color:#fff;font-weight:600;
  padding:14px 36px;border-radius:50px;border:none;
  display:inline-flex;align-items:center;gap:10px;
  transition:var(--transition);box-shadow:0 8px 24px rgba(15,42,67,.25);
}
.btn-primary-cta:hover{background:var(--primary-dark);transform:translateY(-2px);color:#fff}
@media(max-width:576px){
  .cta-block{padding:40px 24px}
  .cta-block h2{font-size:1.6rem}
}

/* ===== Footer ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand .f-logo{
  font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.footer-brand .f-logo i{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.75;max-width:280px}
.footer-brand .f-social{display:flex;gap:10px;margin-top:20px}
.footer-brand .f-social a{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.7);font-size:15px;transition:var(--transition);
}
.footer-brand .f-social a:hover{background:var(--accent);color:#fff}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.65);text-decoration:none;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-col ul li a i{font-size:11px;color:var(--accent)}
.footer-newsletter p{font-size:14px;margin-bottom:16px}
.footer-newsletter .newsletter-form{display:flex;gap:8px}
.footer-newsletter .newsletter-form input{
  flex:1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);
  border-radius:50px;padding:10px 16px;color:#fff;font-size:14px;
}
.footer-newsletter .newsletter-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-newsletter .newsletter-form button{
  background:var(--accent);border:none;border-radius:50px;
  padding:10px 18px;color:#fff;font-weight:600;font-size:14px;transition:var(--transition);
}
.footer-newsletter .newsletter-form button:hover{background:#b89556}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:576px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .container{flex-direction:column;text-align:center}
}

/* ===== Back to top ===== */
.back-top{
  position:fixed;bottom:30px;right:30px;z-index:999;
  width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 8px 24px rgba(15,42,67,.3);transition:var(--transition);
  opacity:0;visibility:hidden;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--accent);color:#fff;transform:translateY(-4px)}

/* roulang page: article */
:root {
        --primary: #16213e;
        --primary-dark: #0f1930;
        --primary-light: #27345e;
        --accent: #c9a25d;
        --accent-light: #e8d5a8;
        --bg: #f5f6fa;
        --surface: #ffffff;
        --text: #1a1a2e;
        --text-muted: #667085;
        --border: #e4e7ec;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow: 0 6px 30px rgba(22, 33, 62, 0.07);
        --shadow-lg: 0 16px 48px rgba(22, 33, 62, 0.12);
        --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *,
    *::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);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

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

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

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

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

    .container {
        max-width: 1280px;
        padding-left: 24px;
        padding-right: 24px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        background: var(--primary);
        box-shadow: 0 2px 20px rgba(15, 25, 48, 0.35);
    }

    .top-bar {
        background: rgba(255, 255, 255, 0.04);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
        padding: 7px 0;
    }

    .top-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }

    .top-bar span {
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .hot-tags {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .hot-tags a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 13px;
        border-bottom: 1px solid transparent;
        padding-bottom: 2px;
        transition: var(--transition);
    }

    .hot-tags a:hover {
        color: var(--accent-light);
        border-color: var(--accent);
    }

    .site-header .navbar {
        padding: 12px 0;
    }

    .site-header .navbar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin: 0;
        padding: 0;
    }

    .site-header .navbar-brand span {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.5px;
        line-height: 1.2;
        display: flex;
        flex-direction: column;
    }

    .site-header .navbar-brand .brand-sub {
        font-size: 10px;
        font-weight: 500;
        letter-spacing: 2.5px;
        color: var(--accent);
        margin-top: 2px;
    }

    .brand-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--accent), #a8803a);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        flex-shrink: 0;
        box-shadow: 0 4px 14px rgba(201, 162, 93, 0.35);
    }

    .navbar-nav {
        gap: 4px;
    }

    .navbar-nav .nav-link {
        color: rgba(255, 255, 255, 0.78);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 16px;
        border-radius: 8px;
        transition: var(--transition);
        position: relative;
    }

    .navbar-nav .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
    }

    .navbar-nav .nav-link.active {
        color: #fff;
        background: rgba(201, 162, 93, 0.18);
    }

    .navbar-nav .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 18px;
        height: 3px;
        border-radius: 4px;
        background: var(--accent);
    }

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

    .header-search {
        position: relative;
    }

    .header-search input {
        width: 190px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 30px;
        padding: 8px 18px 8px 40px;
        color: #fff;
        font-size: 13px;
        transition: var(--transition);
    }

    .header-search input::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }

    .header-search input:focus {
        background: rgba(255, 255, 255, 0.15);
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(201, 162, 93, 0.15);
    }

    .header-search .search-icon {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: rgba(255, 255, 255, 0.5);
        font-size: 13px;
    }

    .navbar-toggler {
        border: none;
        color: #fff;
        font-size: 22px;
        padding: 4px 8px;
    }

    .navbar-toggler:focus {
        box-shadow: none;
    }

    .page-hero {
        position: relative;
        padding: 70px 0 55px;
        background: linear-gradient(135deg, rgba(15, 25, 48, 0.92), rgba(39, 52, 94, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        color: #fff;
    }

    .page-hero .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        margin-bottom: 18px;
        flex-wrap: wrap;
    }

    .page-hero .breadcrumb-nav a {
        color: rgba(255, 255, 255, 0.75);
    }

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

    .page-hero .breadcrumb-nav i {
        font-size: 10px;
        color: var(--accent);
    }

    .page-hero .breadcrumb-nav .current {
        color: var(--accent-light);
        max-width: 320px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .page-hero h1 {
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 20px;
        max-width: 860px;
        letter-spacing: 0.5px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 20px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        flex-wrap: wrap;
    }

    .article-meta .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 7px;
    }

    .article-meta .meta-item i {
        color: var(--accent);
        font-size: 13px;
    }

    .article-meta .meta-cat {
        background: rgba(201, 162, 93, 0.2);
        border: 1px solid rgba(201, 162, 93, 0.4);
        color: var(--accent-light);
        padding: 3px 14px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
    }

    .article-body-section {
        padding: 56px 0 64px;
        background: var(--bg);
    }

    .article-main-card {
        background: var(--surface);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        margin-bottom: 40px;
    }

    .article-cover {
        position: relative;
        height: 320px;
        overflow: hidden;
    }

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

    .article-cover::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 40%, rgba(15, 25, 48, 0.45));
    }

    .article-content-body {
        padding: 36px 42px 32px;
    }

    .article-content-body h2 {
        font-size: 24px;
        font-weight: 700;
        color: var(--primary);
        margin: 32px 0 14px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--border);
        position: relative;
    }

    .article-content-body h2::before {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 48px;
        height: 2px;
        background: var(--accent);
    }

    .article-content-body h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--primary);
        margin: 22px 0 10px;
    }

    .article-content-body p {
        margin-bottom: 18px;
        color: #3c4257;
        font-size: 16px;
        line-height: 1.9;
    }

    .article-content-body ul,
    .article-content-body ol {
        margin-bottom: 18px;
        padding-left: 22px;
        color: #3c4257;
    }

    .article-content-body li {
        margin-bottom: 6px;
        line-height: 1.8;
    }

    .article-content-body blockquote {
        border-left: 4px solid var(--accent);
        background: #faf7f1;
        padding: 14px 20px;
        border-radius: 0 10px 10px 0;
        margin: 22px 0;
        color: #5a5f72;
        font-style: italic;
    }

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

    .article-content-body img {
        border-radius: var(--radius-sm);
        margin: 22px 0;
    }

    .article-content-body a {
        color: var(--accent);
        border-bottom: 1px solid var(--accent);
    }

    .article-content-body a:hover {
        color: #a8803a;
        border-color: #a8803a;
    }

    .article-content-body .lead {
        font-size: 17px;
        color: var(--text-muted);
    }

    .article-tag-row {
        padding: 20px 42px 32px;
        border-top: 1px solid var(--border);
        background: #fbfbfd;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }

    .article-tags {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }

    .article-tags .tag-label {
        font-size: 13px;
        color: var(--text-muted);
        margin-right: 4px;
    }

    .article-tags .tag-item {
        display: inline-block;
        background: var(--bg);
        border: 1px solid var(--border);
        color: var(--text-muted);
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 20px;
        transition: var(--transition);
    }

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

    .share-tools {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .share-btn {
        width: 34px;
        height: 34px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        background: var(--bg);
        color: var(--text-muted);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

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

    .article-sidebar {
        position: sticky;
        top: 110px;
    }

    .sidebar-widget {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 24px;
        box-shadow: var(--shadow);
        margin-bottom: 24px;
    }

    .sidebar-widget-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 20px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--border);
        position: relative;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .sidebar-widget-title::before {
        content: '';
        width: 4px;
        height: 16px;
        border-radius: 4px;
        background: var(--accent);
    }

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

    .sidebar-list li {
        padding: 10px 0;
        border-bottom: 1px dashed var(--border);
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }

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

    .sidebar-list .num {
        font-size: 12px;
        font-weight: 700;
        color: var(--accent);
        background: rgba(201, 162, 93, 0.1);
        width: 26px;
        height: 26px;
        min-width: 26px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar-list .num.top-1 {
        background: var(--accent);
        color: #fff;
    }

    .sidebar-list .num.top-2 {
        background: #d9b97e;
        color: #fff;
    }

    .sidebar-list .num.top-3 {
        background: #a67c3d;
        color: #fff;
    }

    .sidebar-list .sid-title {
        font-size: 14px;
        color: var(--text);
        line-height: 1.55;
        transition: var(--transition);
    }

    .sidebar-list .sid-title:hover {
        color: var(--accent);
    }

    .sidebar-list .sid-meta {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 3px;
    }

    .sidebar-cat-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .sidebar-cat-tags a {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 5px 14px;
        font-size: 13px;
        color: var(--text-muted);
        transition: var(--transition);
    }

    .sidebar-cat-tags a:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    .sidebar-subscribe {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .sidebar-subscribe::after {
        content: '\f007';
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        right: -10px;
        bottom: -20px;
        font-size: 80px;
        opacity: 0.08;
    }

    .sidebar-subscribe h4 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .sidebar-subscribe p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 18px;
    }

    .sidebar-subscribe .subscribe-form input {
        width: 100%;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 10px;
        padding: 10px 14px;
        color: #fff;
        font-size: 14px;
        margin-bottom: 10px;
        transition: var(--transition);
    }

    .sidebar-subscribe .subscribe-form input::placeholder {
        color: rgba(255, 255, 255, 0.45);
    }

    .sidebar-subscribe .subscribe-form input:focus {
        border-color: var(--accent);
        background: rgba(255, 255, 255, 0.18);
    }

    .sidebar-subscribe .subscribe-form button {
        width: 100%;
        background: var(--accent);
        border: none;
        color: var(--primary-dark);
        font-weight: 700;
        border-radius: 10px;
        padding: 10px;
        font-size: 14px;
        cursor: pointer;
        transition: var(--transition);
    }

    .sidebar-subscribe .subscribe-form button:hover {
        background: var(--accent-light);
        transform: translateY(-1px);
    }

    .not-found-panel {
        padding: 70px 40px;
        text-align: center;
    }

    .not-found-panel .nf-icon {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: rgba(201, 162, 93, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 30px;
        color: var(--accent);
        margin: 0 auto 24px;
    }

    .not-found-panel h2 {
        font-size: 26px;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 10px;
    }

    .not-found-panel p {
        color: var(--text-muted);
        margin-bottom: 28px;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-back-home {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 15px;
        transition: var(--transition);
        border: none;
    }

    .btn-back-home:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(201, 162, 93, 0.3);
    }

    .related-section {
        padding: 60px 0;
        background: var(--surface);
    }

    .section-title-wrap {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 32px;
        gap: 16px;
        flex-wrap: wrap;
    }

    .section-title-wrap h2 {
        font-size: 28px;
        font-weight: 800;
        color: var(--primary);
        margin: 0;
        position: relative;
        padding-left: 16px;
    }

    .section-title-wrap h2::before {
        content: '';
        position: absolute;
        left: 0;
        top: 4px;
        bottom: 4px;
        width: 4px;
        border-radius: 4px;
        background: var(--accent);
    }

    .related-card {
        background: var(--bg);
        border-radius: var(--radius);
        overflow: hidden;
        height: 100%;
        transition: var(--transition);
        border: 1px solid var(--border);
        display: flex;
        flex-direction: column;
    }

    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(201, 162, 93, 0.4);
    }

    .related-card .rc-img {
        position: relative;
        height: 180px;
        overflow: hidden;
    }

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

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

    .related-card .rc-body {
        padding: 20px 22px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .related-card .rc-cat {
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        background: rgba(201, 162, 93, 0.12);
        display: inline-block;
        padding: 3px 12px;
        border-radius: 20px;
        margin-bottom: 10px;
        align-self: flex-start;
    }

    .related-card .rc-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        line-height: 1.55;
        margin-bottom: 10px;
        transition: var(--transition);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card .rc-title:hover {
        color: var(--accent);
    }

    .related-card .rc-summary {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 14px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card .rc-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
        border-top: 1px solid var(--border);
        padding-top: 12px;
    }

    .cta-section {
        position: relative;
        padding: 70px 0;
        background: linear-gradient(135deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        background-blend-mode: overlay;
        color: #fff;
        text-align: center;
    }

    .cta-section h2 {
        font-size: 30px;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.7);
        max-width: 560px;
        margin: 0 auto 30px;
        font-size: 16px;
    }

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

    .btn-cta-primary {
        background: var(--accent);
        color: var(--primary-dark);
        padding: 13px 34px;
        border-radius: 30px;
        font-weight: 700;
        font-size: 15px;
        border: none;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-cta-primary:hover {
        background: var(--accent-light);
        color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(201, 162, 93, 0.35);
    }

    .btn-cta-outline {
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.45);
        padding: 13px 34px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 15px;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-cta-outline:hover {
        border-color: var(--accent);
        color: var(--accent-light);
        background: rgba(201, 162, 93, 0.08);
        transform: translateY(-2px);
    }

    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.7);
        padding-top: 62px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 44px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .f-logo {
        font-size: 21px;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 16px;
    }

    .footer-brand .f-logo i {
        color: var(--accent);
        font-size: 24px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 20px;
        max-width: 320px;
    }

    .f-social {
        display: flex;
        gap: 10px;
    }

    .f-social a {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        transition: var(--transition);
    }

    .f-social a:hover {
        background: var(--accent);
        color: var(--primary-dark);
        transform: translateY(-3px);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-col h4::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 24px;
        height: 2px;
        border-radius: 2px;
        background: var(--accent);
    }

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

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

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

    .footer-col ul a i {
        font-size: 10px;
        color: var(--accent);
    }

    .footer-col ul a:hover {
        color: #fff;
        padding-left: 4px;
    }

    .footer-newsletter p {
        font-size: 13px;
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .newsletter-form {
        display: flex;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 30px;
        padding: 4px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        transition: var(--transition);
    }

    .newsletter-form:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(201, 162, 93, 0.12);
    }

    .newsletter-form input {
        flex: 1;
        background: transparent;
        border: none;
        padding: 7px 14px;
        color: #fff;
        font-size: 13px;
        min-width: 0;
    }

    .newsletter-form input::placeholder {
        color: rgba(255, 255, 255, 0.45);
    }

    .newsletter-form button {
        background: var(--accent);
        color: var(--primary-dark);
        border: none;
        border-radius: 50%;
        width: 34px;
        height: 34px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition);
    }

    .newsletter-form button:hover {
        background: var(--accent-light);
        transform: scale(1.05);
    }

    .footer-bottom {
        padding: 18px 0;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
    }

    .footer-bottom .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
    }

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

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

    @media (max-width: 991px) {
        .top-bar .container {
            flex-direction: column;
            gap: 4px;
            text-align: center;
        }

        .hot-tags {
            justify-content: center;
        }

        .site-header .navbar {
            padding: 10px 0;
        }

        .navbar-collapse {
            background: var(--primary);
            border-radius: 14px;
            padding: 14px;
            margin-top: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            border-radius: 8px;
        }

        .header-actions {
            margin-left: 0 !important;
            margin-top: 10px !important;
        }

        .header-search {
            width: 100%;
        }

        .header-search input {
            width: 100%;
        }

        .article-body-section {
            padding: 40px 0 48px;
        }

        .article-cover {
            height: 240px;
        }

        .article-content-body {
            padding: 26px 24px;
        }

        .article-tag-row {
            padding: 18px 24px 26px;
        }

        .article-sidebar {
            position: static;
            margin-top: 10px;
        }

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

    @media (max-width: 767px) {
        body {
            font-size: 15px;
        }

        .container {
            padding-left: 18px;
            padding-right: 18px;
        }

        .page-hero {
            padding: 46px 0 38px;
        }

        .page-hero h1 {
            font-size: 26px;
        }

        .article-meta {
            gap: 12px;
        }

        .article-cover {
            height: 190px;
        }

        .article-content-body {
            padding: 22px 18px;
        }

        .article-content-body p {
            font-size: 15px;
        }

        .article-tag-row {
            padding: 16px 18px 22px;
            flex-direction: column;
            align-items: flex-start;
        }

        .related-section {
            padding: 40px 0;
        }

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

        .cta-section {
            padding: 48px 0;
        }

        .cta-section h2 {
            font-size: 24px;
        }

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

    @media (max-width: 520px) {
        .container {
            padding-left: 14px;
            padding-right: 14px;
        }

        .site-header .navbar-brand span {
            font-size: 19px;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 15px;
        }

        .page-hero h1 {
            font-size: 23px;
        }

        .article-meta {
            font-size: 13px;
            gap: 10px;
        }

        .article-cover {
            height: 160px;
        }

        .not-found-panel {
            padding: 50px 24px;
        }

        .section-title-wrap h2 {
            font-size: 23px;
        }
    }

/* roulang page: category1 */
/* ==========================================================
       Design System
    ========================================================== */
    :root {
      --primary: #0b2b4a;
      --primary-light: #14406b;
      --accent: #c8935b;
      --accent-light: #e5c39b;
      --bg: #f6f8fb;
      --bg-deep: #0b1b2e;
      --white: #ffffff;
      --text: #1e2b38;
      --text-light: #5e6f7f;
      --border: #e5eaf0;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 4px 16px rgba(11, 43, 74, 0.06);
      --shadow-md: 0 10px 30px rgba(11, 43, 74, 0.10);
      --shadow-lg: 0 20px 50px rgba(11, 43, 74, 0.16);
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --transition: all 0.3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      max-width: 1240px;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* ==========================================================
       Typography
    ========================================================== */
    h1, h2, h3, h4, h5 {
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text);
    }

    .section-title-wrap {
      margin-bottom: 48px;
    }

    .section-title-wrap .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent);
      background: rgba(200, 147, 91, 0.12);
      border-radius: 50rem;
      padding: 6px 16px;
      margin-bottom: 16px;
    }

    .section-title-wrap .section-title {
      font-size: clamp(28px, 3.2vw, 40px);
      line-height: 1.28;
      margin-bottom: 12px;
    }

    .section-title-wrap .section-desc {
      font-size: 16px;
      color: var(--text-light);
      max-width: 560px;
    }

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

    .section-title-wrap.text-light .section-desc {
      color: rgba(255, 255, 255, 0.75);
    }

    /* ==========================================================
       Buttons & Badges
    ========================================================== */
    .btn-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--primary);
      color: #fff;
      border: none;
      border-radius: 50rem;
      padding: 13px 30px;
      font-weight: 600;
      font-size: 15px;
      transition: var(--transition);
      box-shadow: 0 6px 20px rgba(11, 43, 74, 0.20);
    }

    .btn-brand:hover,
    .btn-brand:focus {
      background: var(--primary-light);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(11, 43, 74, 0.25);
    }

    .btn-outline-light-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, 0.7);
      border-radius: 50rem;
      padding: 12px 30px;
      font-weight: 600;
      font-size: 15px;
      transition: var(--transition);
    }

    .btn-outline-light-brand:hover {
      background: #fff;
      color: var(--primary);
      border-color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    }

    .badge-tag {
      display: inline-block;
      background: rgba(200, 147, 91, 0.14);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 50rem;
      letter-spacing: 0.04em;
    }

    .badge-primary {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 50rem;
      letter-spacing: 0.02em;
    }

    /* ==========================================================
       Header & Navigation
    ========================================================== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: var(--white);
      box-shadow: 0 4px 20px rgba(11, 43, 74, 0.08);
    }

    .site-header .top-bar {
      background: var(--primary);
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      padding: 8px 0;
    }

    .site-header .top-bar .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .site-header .top-bar i {
      margin-right: 6px;
    }

    .site-header .hot-tags {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .site-header .hot-tags a {
      color: rgba(255, 255, 255, 0.8);
      font-weight: 500;
    }

    .site-header .hot-tags a:hover {
      color: var(--accent-light);
    }

    .site-header .navbar {
      padding: 14px 0;
      background: var(--white);
    }

    .site-header .navbar-brand-wrap {
      align-items: center;
    }

    .site-header .navbar-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.03em;
      line-height: 1.1;
    }

    .site-header .navbar-brand:hover {
      color: var(--primary);
    }

    .site-header .brand-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      background: var(--primary);
      color: var(--accent-light);
      border-radius: 13px;
      font-size: 19px;
      box-shadow: 0 6px 14px rgba(11, 43, 74, 0.22);
    }

    .site-header .brand-sub {
      display: block;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.22em;
      color: var(--accent);
      margin-top: 2px;
    }

    .site-header .navbar-toggler {
      border: 1.5px solid var(--border);
      border-radius: 10px;
      padding: 8px 12px;
      color: var(--primary);
      font-size: 18px;
      line-height: 1;
      background: transparent;
    }

    .site-header .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(11, 43, 74, 0.12);
    }

    .site-header .navbar-nav {
      gap: 4px;
    }

    .site-header .nav-link {
      color: var(--text);
      font-weight: 500;
      font-size: 15px;
      padding: 10px 16px !important;
      border-radius: 50rem;
      transition: var(--transition);
    }

    .site-header .nav-link:hover {
      color: var(--primary);
      background: rgba(11, 43, 74, 0.05);
    }

    .site-header .nav-link.active {
      color: #fff;
      background: var(--primary);
      font-weight: 600;
      box-shadow: 0 6px 16px rgba(11, 43, 74, 0.2);
    }

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

    .site-header .header-search {
      position: relative;
      display: flex;
      align-items: center;
    }

    .site-header .header-search input {
      width: 220px;
      border: 1.5px solid var(--border);
      border-radius: 50rem;
      padding: 9px 18px 9px 42px;
      font-size: 14px;
      background: var(--bg);
      color: var(--text);
      transition: var(--transition);
    }

    .site-header .header-search input:focus {
      background: #fff;
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(200, 147, 91, 0.12);
      width: 260px;
    }

    .site-header .header-search .search-icon {
      position: absolute;
      left: 16px;
      color: var(--text-light);
      font-size: 14px;
      pointer-events: none;
    }

    /* ==========================================================
       Page Hero
    ========================================================== */
    .page-hero {
      background: linear-gradient(115deg, rgba(8, 27, 49, 0.95) 20%, rgba(11, 43, 74, 0.78)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      color: #fff;
      padding: 88px 0 84px;
      position: relative;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(200, 147, 91, 0.28), transparent 65%);
      border-radius: 50%;
      pointer-events: none;
    }

    .page-hero .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.75);
      margin-bottom: 18px;
      padding: 0;
      background: transparent;
    }

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

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

    .page-hero .breadcrumb i {
      font-size: 10px;
      margin-left: 8px;
      color: rgba(255, 255, 255, 0.45);
    }

    .page-hero h1 {
      font-size: clamp(32px, 5vw, 56px);
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: -0.03em;
    }

    .page-hero .lead-text {
      color: rgba(255, 255, 255, 0.82);
      font-size: 17px;
      max-width: 580px;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .page-hero .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .page-hero .hero-meta {
      margin-top: 38px;
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
    }

    .page-hero .hero-meta i {
      color: var(--accent);
      margin-right: 8px;
    }

    /* ==========================================================
       Featured Topics Cards
    ========================================================== */
    .featured-topics {
      padding: 88px 0;
      background: var(--bg);
    }

    .topic-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 100%;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

    .topic-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: transparent;
    }

    .topic-card .topic-thumb {
      position: relative;
      height: 212px;
      overflow: hidden;
    }

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

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

    .topic-card .topic-thumb::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 43, 74, 0) 55%, rgba(11, 43, 74, 0.36) 100%);
      pointer-events: none;
    }

    .topic-card .topic-tag {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
      background: rgba(255, 255, 255, 0.94);
      color: var(--primary);
      border-radius: 50rem;
      padding: 5px 14px;
      font-size: 12px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

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

    .topic-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

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

    .topic-card .topic-desc {
      font-size: 14.5px;
      color: var(--text-light);
      line-height: 1.7;
      margin-bottom: 18px;
      flex: 1;
    }

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

    .topic-card .topic-link:hover {
      color: var(--accent);
      gap: 12px;
    }

    /* ==========================================================
       Editor Picks
    ========================================================== */
    .editor-picks {
      padding: 88px 0;
      background: var(--white);
    }

    .pick-card {
      display: flex;
      flex-direction: column;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 100%;
      transition: var(--transition);
    }

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

    .pick-card .pick-media {
      height: 220px;
      overflow: hidden;
      position: relative;
    }

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

    .pick-card .pick-content {
      padding: 26px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .pick-card .pick-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 12px;
    }

    .pick-card .pick-meta i {
      color: var(--accent);
      margin-right: 5px;
    }

    .pick-card h3 {
      font-size: 22px;
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .pick-card h3 a:hover {
      color: var(--primary);
    }

    .pick-card .pick-desc {
      color: var(--text-light);
      font-size: 15px;
      margin-bottom: 18px;
      flex: 1;
    }

    .pick-card .pick-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .pick-card .pick-footer .rating {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      color: var(--text-light);
    }

    .pick-card .pick-footer .rating i {
      color: var(--accent);
    }

    /* ==========================================================
       Topic Stats
    ========================================================== */
    .topic-stats {
      position: relative;
      background: linear-gradient(120deg, rgba(8, 27, 49, 0.94), rgba(11, 43, 74, 0.82)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      padding: 84px 0;
      color: #fff;
    }

    .stat-item {
      text-align: center;
      padding: 28px 16px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.10);
      border-radius: var(--radius-lg);
      backdrop-filter: blur(4px);
      transition: var(--transition);
    }

    .stat-item:hover {
      background: rgba(255, 255, 255, 0.10);
      transform: translateY(-4px);
    }

    .stat-item .stat-num {
      font-size: 40px;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--accent-light);
      margin-bottom: 6px;
    }

    .stat-item .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.78);
      letter-spacing: 0.02em;
    }

    .stat-item i {
      display: block;
      font-size: 22px;
      margin-bottom: 10px;
      color: var(--accent);
    }

    /* ==========================================================
       Topic Index List
    ========================================================== */
    .topic-index {
      padding: 88px 0;
      background: var(--bg);
    }

    .topic-index-list {
      border-top: 1px solid var(--border);
    }

    .topic-index-item {
      display: flex;
      align-items: center;
      gap: 28px;
      padding: 30px 12px;
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

    .topic-index-item:hover {
      padding-left: 22px;
      background: var(--white);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .topic-index-item .index-num {
      font-size: 34px;
      font-weight: 800;
      color: var(--accent);
      min-width: 64px;
      letter-spacing: -0.02em;
    }

    .topic-index-item .index-content {
      flex: 1;
    }

    .topic-index-item .index-content h3 {
      font-size: 20px;
      margin-bottom: 4px;
    }

    .topic-index-item .index-content p {
      color: var(--text-light);
      font-size: 14.5px;
      margin-bottom: 0;
    }

    .topic-index-item .index-link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--white);
      color: var(--primary);
      border: 1px solid var(--border);
      transition: var(--transition);
    }

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

    /* ==========================================================
       FAQ
    ========================================================== */
    .faq-section {
      padding: 88px 0;
      background: var(--white);
    }

    .accordion-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-md) !important;
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .accordion-item:first-of-type,
    .accordion-item:last-of-type {
      border-radius: var(--radius-md) !important;
    }

    .accordion-button {
      background: var(--white);
      color: var(--text);
      font-weight: 600;
      font-size: 16px;
      padding: 20px 24px;
      box-shadow: none;
      border: none;
    }

    .accordion-button:not(.collapsed) {
      background: var(--primary);
      color: #fff;
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(11, 43, 74, 0.10);
    }

    .accordion-button::after {
      background-size: 14px;
    }

    .accordion-body {
      padding: 20px 24px;
      color: var(--text-light);
      font-size: 15px;
      line-height: 1.8;
      background: var(--bg);
    }

    /* ==========================================================
       CTA
    ========================================================== */
    .cta-section {
      position: relative;
      background: linear-gradient(115deg, rgba(8, 27, 49, 0.94), rgba(11, 43, 74, 0.75)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
      padding: 80px 0;
      color: #fff;
    }

    .cta-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 48px;
      backdrop-filter: blur(4px);
    }

    .cta-box h2 {
      color: #fff;
      font-size: clamp(26px, 3vw, 36px);
      margin-bottom: 12px;
    }

    .cta-box p {
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 28px;
    }

    .cta-form {
      display: flex;
      gap: 10px;
      max-width: 520px;
      flex-wrap: wrap;
    }

    .cta-form input {
      flex: 1;
      min-width: 240px;
      border: 1.5px solid rgba(255, 255, 255, 0.3);
      background: rgba(255, 255, 255, 0.12);
      border-radius: 50rem;
      padding: 13px 22px;
      color: #fff;
      font-size: 15px;
      transition: var(--transition);
    }

    .cta-form input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }

    .cta-form input:focus {
      background: rgba(255, 255, 255, 0.16);
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(200, 147, 91, 0.15);
    }

    .cta-form .btn-brand {
      background: var(--accent);
      color: var(--primary);
    }

    .cta-form .btn-brand:hover {
      background: var(--accent-light);
      color: var(--primary);
    }

    /* ==========================================================
       Footer
    ========================================================== */
    .site-footer {
      background: var(--bg-deep);
      color: rgba(255, 255, 255, 0.68);
      padding-top: 72px;
    }

    .site-footer a {
      color: rgba(255, 255, 255, 0.68);
    }

    .site-footer a:hover {
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 48px;
      padding-bottom: 52px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .f-logo {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
    }

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

    .footer-brand p {
      font-size: 14.5px;
      line-height: 1.8;
      margin-bottom: 22px;
      max-width: 320px;
    }

    .f-social {
      display: flex;
      gap: 12px;
    }

    .f-social a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: var(--transition);
    }

    .f-social a:hover {
      background: var(--accent);
      color: var(--primary);
      transform: translateY(-3px);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 20px;
    }

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

    .footer-col li {
      margin-bottom: 12px;
    }

    .footer-col li a {
      font-size: 14.5px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .footer-col li a i {
      font-size: 10px;
      color: var(--accent);
    }

    .footer-col li a:hover {
      padding-left: 5px;
    }

    .footer-newsletter p {
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .newsletter-form {
      display: flex;
      border-radius: 50rem;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .newsletter-form input {
      flex: 1;
      min-width: 0;
      border: none;
      background: transparent;
      padding: 12px 18px;
      color: #fff;
      font-size: 14px;
    }

    .newsletter-form input:focus {
      box-shadow: none;
    }

    .newsletter-form button {
      background: var(--accent);
      color: var(--primary);
      border: none;
      padding: 0 22px;
      font-size: 16px;
      transition: var(--transition);
    }

    .newsletter-form button:hover {
      background: var(--accent-light);
    }

    .footer-bottom {
      padding: 24px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
    }

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

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

      .site-header .header-search input {
        width: 170px;
      }

      .site-header .header-search input:focus {
        width: 200px;
      }
    }

    @media (max-width: 991.98px) {
      .site-header .top-bar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }

      .site-header .hot-tags {
        gap: 12px;
      }

      .site-header .navbar-brand-wrap {
        width: 100%;
      }

      .site-header .navbar-collapse {
        padding-top: 18px;
        border-top: 1px solid var(--border);
        margin-top: 14px;
      }

      .site-header .navbar-nav {
        gap: 6px;
        margin-bottom: 16px;
      }

      .site-header .header-actions {
        padding-bottom: 8px;
      }

      .site-header .header-search input,
      .site-header .header-search input:focus {
        width: 100%;
      }

      .page-hero {
        padding: 66px 0;
      }

      .featured-topics,
      .editor-picks,
      .topic-index,
      .faq-section {
        padding: 64px 0;
      }

      .topic-stats,
      .cta-section {
        padding: 60px 0;
      }

      .stat-item .stat-num {
        font-size: 32px;
      }
    }

    @media (max-width: 768px) {
      .section-title-wrap {
        margin-bottom: 36px;
      }

      .topic-index-item {
        gap: 16px;
        padding: 22px 8px;
      }

      .topic-index-item .index-num {
        font-size: 24px;
        min-width: 44px;
      }

      .cta-box {
        padding: 32px 24px;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .site-header .navbar-brand {
        font-size: 20px;
      }

      .site-header .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
      }

      .page-hero {
        padding: 50px 0;
      }

      .page-hero h1 {
        font-size: 30px;
      }

      .page-hero .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .page-hero .btn-brand,
      .page-hero .btn-outline-light-brand {
        justify-content: center;
      }

      .page-hero .hero-meta {
        flex-direction: column;
        gap: 10px;
      }

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

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

      .cta-form {
        flex-direction: column;
      }

      .cta-form input,
      .cta-form .btn-brand {
        width: 100%;
        justify-content: center;
      }

      .topic-index-item {
        flex-wrap: wrap;
      }

      .topic-index-item .index-link {
        margin-left: auto;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #1f2429;
            --primary-soft: #343a40;
            --accent: #d4a853;
            --accent-light: #e8c87a;
            --accent-dark: #b8913d;
            --bg-white: #ffffff;
            --bg-light: #f7f6f3;
            --bg-deep: #171b1e;
            --text-main: #252a2e;
            --text-secondary: #6c757d;
            --border-color: #ececec;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, .04);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, .08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, .10);
            --transition-base: all .3s ease;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            color: var(--text-main);
            background: var(--bg-white);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            box-shadow: 0 1px 0 rgba(0, 0, 0, .04);
        }
        .top-bar {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .7);
            font-size: 13px;
            padding: 6px 0;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar a {
            color: rgba(255, 255, 255, .8);
            margin-left: 14px;
        }
        .top-bar a:hover {
            color: var(--accent);
        }
        .top-bar .hot-tags {
            display: flex;
            align-items: center;
        }
        .navbar {
            background: var(--bg-white);
            padding: 12px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary) !important;
        }
        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent);
            font-size: 17px;
        }
        .navbar-brand .brand-sub {
            display: block;
            font-size: 10px;
            font-weight: 400;
            letter-spacing: 2px;
            color: var(--text-secondary);
            line-height: 1.2;
        }
        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 22px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-main) !important;
            margin: 0 12px;
            padding: 6px 0 !important;
            position: relative;
            font-size: 15px;
        }
        .nav-link:after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            height: 2px;
            width: 0;
            background: var(--accent);
            transition: var(--transition-base);
        }
        .nav-link:hover:after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--accent) !important;
        }
        .nav-link.active:after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
        }
        .header-search {
            position: relative;
        }
        .header-search input {
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 8px 40px 8px 18px;
            font-size: 14px;
            width: 220px;
            background: var(--bg-light);
            transition: var(--transition-base);
        }
        .header-search input:focus {
            outline: none;
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(212, 168, 83, .12);
        }
        .header-search .search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 14px;
            pointer-events: none;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 92px 0;
            background: var(--bg-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .category-hero:before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(23, 27, 30, .92) 0%, rgba(23, 27, 30, .72) 50%, rgba(23, 27, 30, .35) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }
        .hero-title {
            font-size: 50px;
            font-weight: 800;
            letter-spacing: 2px;
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tags .badge {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #fff;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 400;
            backdrop-filter: blur(4px);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .news-card-img {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }
        .news-card-img .overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(23, 27, 30, .78);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            backdrop-filter: blur(6px);
        }
        .news-card-body {
            padding: 22px 24px;
        }
        .news-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .news-card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--primary);
            transition: var(--transition-base);
        }
        .news-card:hover .news-card-title {
            color: var(--accent);
        }
        .news-card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 话题标签云 ===== */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .topic-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            color: var(--primary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .topic-item i {
            color: var(--accent);
            font-size: 12px;
        }
        .topic-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .topic-item:hover i {
            color: var(--accent);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--bg-deep);
            color: #fff;
        }
        .stat-card {
            text-align: center;
            padding: 40px 24px;
        }
        .stat-icon {
            width: 62px;
            height: 62px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
        }
        .stat-number {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            font-family: "Segoe UI", system-ui, sans-serif;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .65);
            margin-top: 6px;
        }

        /* ===== 深度分析 ===== */
        .analysis-block {
            padding: 70px 0;
            background: var(--bg-light);
        }
        .analysis-block.dark {
            background: var(--bg-deep);
            color: #fff;
        }
        .analysis-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .analysis-block.reverse .analysis-inner {
            direction: rtl;
        }
        .analysis-block.reverse .analysis-inner>* {
            direction: ltr;
        }
        .analysis-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .analysis-img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
            transition: transform .5s ease;
        }
        .analysis-block:hover .analysis-img img {
            transform: scale(1.02);
        }
        .analysis-text .tag-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 168, 83, .12);
            color: var(--accent);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 13px;
            margin-bottom: 14px;
        }
        .analysis-block.dark .tag-label {
            background: rgba(255, 255, 255, .1);
            color: var(--accent-light);
        }
        .analysis-text h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .analysis-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .analysis-block.dark .analysis-text p {
            color: rgba(255, 255, 255, .7);
        }
        .analysis-text .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition-base);
        }
        .analysis-text .read-more:hover {
            gap: 14px;
        }

        /* ===== 专题推荐 ===== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition-base);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .feature-card-img {
            height: 160px;
            overflow: hidden;
        }
        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-card:hover .feature-card-img img {
            transform: scale(1.05);
        }
        .feature-card-body {
            padding: 24px;
        }
        .feature-card-body h5 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .feature-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .feature-card-body .card-link {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .feature-card-body .card-link:hover {
            gap: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 83, .4);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 26px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            color: var(--primary);
            user-select: none;
        }
        .faq-question i {
            color: var(--accent);
            transition: transform .3s ease;
            font-size: 14px;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 26px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            padding: 0 26px 20px;
            max-height: 260px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
        }
        .cta-box {
            background: var(--primary) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            border-radius: 24px;
            padding: 56px 60px;
            position: relative;
            overflow: hidden;
        }
        .cta-box:before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(23, 27, 30, .88) 0%, rgba(23, 27, 30, .65) 100%);
        }
        .cta-box .container {
            position: relative;
            z-index: 2;
            padding: 0;
        }
        .cta-box h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 26px;
            max-width: 520px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary);
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition-base);
        }
        .cta-btn:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(212, 168, 83, .4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .7);
            padding-top: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .f-logo {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .f-logo i {
            color: var(--accent);
            margin-right: 6px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 20px;
        }
        .f-social {
            display: flex;
            gap: 12px;
        }
        .f-social a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50%;
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            transition: var(--transition-base);
        }
        .f-social a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .55);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 10px;
            margin-right: 6px;
            color: rgba(255, 255, 255, .3);
        }
        .footer-newsletter p {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .newsletter-form {
            display: flex;
            position: relative;
        }
        .newsletter-form input {
            flex: 1;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .1);
            color: #fff;
            padding: 12px 18px;
            border-radius: 50px 0 0 50px;
            font-size: 14px;
            width: 100%;
        }
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, .35);
        }
        .newsletter-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .newsletter-form button {
            background: var(--accent);
            color: var(--primary);
            border: none;
            padding: 0 18px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .newsletter-form button:hover {
            background: var(--accent-light);
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }
        .footer-bottom i {
            margin-right: 4px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .analysis-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .analysis-block.reverse .analysis-inner {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero {
                padding: 70px 0;
            }
            .hero-title {
                font-size: 42px;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 55px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .category-hero {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .top-bar .hot-tags a {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 40px 32px;
            }
            .header-search {
                display: none;
            }
            .navbar-brand {
                font-size: 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .news-card-img {
                height: 170px;
            }
            .stat-number {
                font-size: 30px;
            }
            .analysis-text h3 {
                font-size: 22px;
            }
            .cta-box h3 {
                font-size: 22px;
            }
            .cta-btn {
                padding: 12px 24px;
                font-size: 14px;
            }
        }