/* roulang page: index */
:root {
  --primary: #1B5FD9;
  --primary-dark: #0F3B87;
  --primary-light: #EAF1FB;
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --text: #16243A;
  --text-2: #5C6B82;
  --text-3: #8C9AB0;
  --border: #E4EAF3;
  --accent: #F3A83B;
  --accent-hover: #E5982B;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow: 0 6px 20px rgba(15,59,135,.06);
  --shadow-hover: 0 14px 34px rgba(15,59,135,.12);
  --shadow-hero: 0 18px 40px rgba(15,59,135,.18);
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: all .28s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
button{font-family:var(--font);cursor:pointer}
input{font-family:var(--font)}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{position:relative}

h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text)}
h2{font-size:34px;letter-spacing:-.01em}
time{font-variant-numeric:tabular-nums}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 28px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;border:none;transition:var(--transition);
  gap:8px;white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-accent{background:var(--accent);color:#1A1A1A}
.btn-accent:hover{background:var(--accent-hover);color:#1A1A1A}
.btn-lg{height:52px;padding:0 36px;font-size:16px}
.btn-sm{height:38px;padding:0 20px;font-size:14px}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  background:var(--primary-light);color:var(--primary-dark);
  border-radius:var(--radius-pill);font-size:12px;font-weight:500;
}
.tag-blue{background:var(--primary);color:#fff}
.tag-accent{background:#FDEBD0;color:#B36E00}
.tag-gray{background:#EFF2F7;color:var(--text-2)}

.hero-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.35);
  color:#fff;border-radius:var(--radius-pill);font-size:13px;font-weight:500;
  backdrop-filter:blur(6px);letter-spacing:.02em;
}

.section{padding:88px 0}
.section-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:40px;gap:24px;
}
.section-header h2{position:relative;padding-left:16px}
.section-header h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:28px;background:var(--primary);border-radius:4px;
}
.section-header .section-desc{color:var(--text-2);font-size:15px;margin-top:6px}
.section-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--primary);padding:8px 4px;
}
.section-more:hover{color:var(--primary-dark);gap:10px}

/* ===== Topbar ===== */
.topbar{
  background:var(--primary-dark);color:#fff;height:36px;
  display:flex;align-items:center;font-size:13px;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.topbar-domain{
  color:rgba(255,255,255,.85);display:inline-flex;align-items:center;gap:6px;font-size:13px;
}
.topbar-domain::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;
}
.topbar-domain:hover{color:#fff}
.topbar-actions{display:flex;align-items:center;gap:16px}
.topbar-actions a{color:rgba(255,255,255,.85);font-size:13px;transition:var(--transition)}
.topbar-actions a:hover{color:#fff}
.topbar-actions .divider{width:1px;height:14px;background:rgba(255,255,255,.3)}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(15,59,135,.04);
}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:-.02em;
  box-shadow:0 4px 12px rgba(27,95,217,.3);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.brand-text:hover{color:var(--primary)}

.main-nav{display:flex;align-items:center;gap:8px;margin:0 12px}
.nav-link{
  padding:8px 16px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--text-2);position:relative;transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;
  height:2px;background:var(--primary);border-radius:2px;
}

.nav-actions{display:flex;align-items:center;gap:14px}
.search-box{position:relative}
.search-box input{
  width:220px;height:40px;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:0 16px 0 40px;font-size:14px;background:var(--bg);outline:none;
  transition:var(--transition);color:var(--text);
}
.search-box input:focus{
  width:280px;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,95,217,.15);background:#fff;
}
.search-box svg{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--text-3);pointer-events:none;
  transition:stroke .25s;
}
.search-box input:focus + svg{stroke:var(--primary)}

.hamburger{
  display:none;width:40px;height:40px;border-radius:8px;border:1px solid var(--border);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}

.mobile-menu{
  display:none;background:#fff;border-bottom:1px solid var(--border);
  padding:16px 20px;box-shadow:var(--shadow);
}
.mobile-menu.open{display:block}
.mobile-menu a{
  display:block;padding:12px 8px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--text-2);margin-bottom:4px;
}
.mobile-menu a:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu a.active{color:var(--primary);background:var(--primary-light);font-weight:600}
.mobile-menu .btn{width:100%;margin-top:12px}

/* ===== Hero ===== */
.hero{
  min-height:78vh;display:flex;align-items:center;position:relative;
  overflow:hidden;padding:96px 0;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(15,59,135,.92) 0%, rgba(27,95,217,.72) 45%, rgba(27,95,217,.25) 70%, rgba(15,59,135,.15) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;
  grid-template-columns:1.35fr 1fr;gap:60px;align-items:center;
}
.hero-content{max-width:640px}
.hero-tag{margin-bottom:22px}
.hero h1{
  font-size:48px;line-height:1.25;color:#fff;letter-spacing:-.02em;
  margin-bottom:18px;text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.hero-sub{
  font-size:17px;color:rgba(255,255,255,.9);line-height:1.8;
  margin-bottom:32px;max-width:520px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-actions .btn-primary{
  background:#fff;color:var(--primary-dark);box-shadow:0 8px 24px rgba(0,0,0,.18);
}
.hero-actions .btn-primary:hover{background:var(--primary-light);color:var(--primary-dark)}
.hero-actions .btn-outline{
  border-color:rgba(255,255,255,.65);color:#fff;
}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.15);color:#fff;border-color:#fff}
.hero-actions .arrow{transition:transform .25s}
.hero-actions .btn-outline:hover .arrow{transform:translateX(4px)}
.hero-features{
  display:flex;gap:22px;flex-wrap:wrap;
  color:rgba(255,255,255,.75);font-size:13px;
  letter-spacing:.01em;
}
.hero-features span{display:inline-flex;align-items:center;gap:6px}
.hero-features span::before{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);
}

.hero-visual{position:relative;padding:50px 0 50px 20px}
.hero-cover-main{
  position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hero);
  max-width:380px;margin-left:auto;aspect-ratio:3/4;background:#dbe4f0;
}
.hero-cover-main img{width:100%;height:100%;object-fit:cover}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.95);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:18px;box-shadow:0 6px 20px rgba(0,0,0,.25);
  transition:var(--transition);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.hero-cover-small{
  position:absolute;right:-16px;bottom:10px;width:180px;border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow-hero);border:3px solid #fff;
  aspect-ratio:4/3;background:#dbe4f0;
}
.hero-cover-small img{width:100%;height:100%;object-fit:cover}

/* ===== Film Strip ===== */
.strip-section{padding:88px 0 40px}
.strip-controls{display:flex;gap:10px}
.strip-arrow{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--border);
  background:#fff;color:var(--text);font-size:16px;display:flex;
  align-items:center;justify-content:center;transition:var(--transition);
  box-shadow:var(--shadow);
}
.strip-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.film-strip{
  display:flex;gap:20px;overflow-x:auto;padding:12px 4px 24px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.film-strip::-webkit-scrollbar{display:none}
.strip-card{
  flex:0 0 260px;scroll-snap-align:start;background:var(--card);
  border-radius:var(--radius-lg);border:1px solid var(--border);
  overflow:hidden;transition:var(--transition);box-shadow:var(--shadow);
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C9D8F2}
.strip-cover{
  position:relative;aspect-ratio:2/3;overflow:hidden;background:#dbe4f0;
}
.strip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.strip-card:hover .strip-cover img{transform:scale(1.04)}
.strip-hover{
  position:absolute;inset:0;background:linear-gradient(to top, rgba(15,59,135,.82), rgba(15,59,135,.15) 60%);
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:24px;
  opacity:0;transition:var(--transition);
}
.strip-card:hover .strip-hover{opacity:1}
.strip-hover a{
  background:#fff;color:var(--primary-dark);padding:8px 22px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;box-shadow:0 6px 16px rgba(0,0,0,.2);
}
.strip-info{padding:16px 18px}
.strip-info h3{font-size:16px;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.strip-tag{font-size:12px;color:var(--primary);background:var(--primary-light);
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);margin-right:6px}
.strip-date{font-size:12px;color:var(--text-3)}

/* ===== Hot Picks ===== */
.hot-section{padding:88px 0}
.hot-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}
.hot-feature{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:var(--transition);
}
.hot-feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.hot-feature-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dbe4f0}
.hot-feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.hot-feature:hover .hot-feature-cover img{transform:scale(1.03)}
.hot-feature-num{
  position:absolute;right:16px;bottom:-18px;font-size:72px;font-weight:800;
  color:rgba(255,255,255,.28);line-height:1;font-variant-numeric:tabular-nums;
  text-shadow:0 2px 10px rgba(0,0,0,.3);letter-spacing:-.04em;
}
.hot-feature-body{padding:28px 28px 32px;display:flex;flex-direction:column;gap:10px;flex:1}
.hot-feature-body h3{font-size:22px}
.hot-feature-body p{color:var(--text-2);font-size:15px;line-height:1.8;flex:1}
.hot-feature-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  align-self:flex-start;margin-top:8px;
}
.hot-feature-link:hover{gap:12px}

.hot-list{
  display:flex;flex-direction:column;gap:12px;background:var(--card);
  border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);
  padding:20px;
}
.hot-row{
  display:flex;align-items:center;gap:16px;padding:14px;
  border-radius:12px;transition:var(--transition);background:#fff;
  border:1px solid transparent;
}
.hot-row:hover{background:#F8FAFE;border-color:var(--border);transform:translateX(4px)}
.hot-rank{
  font-size:26px;font-weight:800;color:var(--border);min-width:40px;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.hot-rank.top{color:var(--accent)}
.hot-thumb{
  width:64px;height:72px;border-radius:8px;overflow:hidden;flex-shrink:0;
  background:#dbe4f0;
}
.hot-thumb img{width:100%;height:100%;object-fit:cover}
.hot-row-info{flex:1;min-width:0}
.hot-row-info h4{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px}
.hot-row-info p{font-size:13px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hot-row-meta{display:flex;align-items:center;gap:8px;margin-top:4px}
.hot-row-arrow{color:var(--text-3);font-size:18px;transition:var(--transition)}
.hot-row:hover .hot-row-arrow{color:var(--primary);transform:translateX(4px)}

/* ===== Category Grid ===== */
.cat-section{padding:88px 0}
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.cat-tab{
  padding:8px 20px;border-radius:var(--radius-pill);border:1px solid var(--border);
  background:#fff;color:var(--text-2);font-size:14px;font-weight:500;transition:var(--transition);
}
.cat-tab:hover{border-color:var(--primary);color:var(--primary)}
.cat-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.cat-block{margin-bottom:48px}
.cat-block:last-child{margin-bottom:0}
.cat-block-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.cat-block-header h3{font-size:22px}
.cat-block-header .line{flex:1;height:1px;background:var(--border)}
.cat-block-header .count{font-size:13px;color:var(--text-3)}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cat-card{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:var(--transition);
}
.cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:#C9D8F2}
.cat-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dbe4f0}
.cat-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-card:hover .cat-card-cover img{transform:scale(1.05)}
.cat-card-badge{
  position:absolute;top:12px;left:12px;background:rgba(15,59,135,.85);
  color:#fff;font-size:11px;padding:4px 10px;border-radius:var(--radius-pill);
  backdrop-filter:blur(4px);
}
.cat-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.cat-card-body h4{font-size:17px;margin-bottom:6px;line-height:1.5}
.cat-card-body p{
  font-size:13px;color:var(--text-2);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cat-card-footer{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--border);
}
.cat-card-footer .tag{font-size:11px}
.cat-card-footer .link{font-size:13px;font-weight:600;color:var(--primary)}
.cat-card-footer .link:hover{color:var(--primary-dark)}

/* ===== News Section ===== */
.news-section{padding:88px 0;background:linear-gradient(180deg, var(--bg) 0%, #EDF3FA 100%)}
.news-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;
}
.news-grid-single{grid-template-columns:1fr}

.news-feature{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);
}
.news-feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.news-feature-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dbe4f0}
.news-feature-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-feature:hover .news-feature-cover img{transform:scale(1.03)}
.news-feature-badge{
  position:absolute;top:16px;left:16px;background:var(--accent);color:#1A1A1A;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill);
  box-shadow:0 4px 12px rgba(0,0,0,.15);
}
.news-feature-body{padding:24px 26px 28px}
.news-feature-body h3{font-size:20px;margin-bottom:10px;line-height:1.5}
.news-feature-body p{color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}

.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  background:var(--card);border-radius:12px;border:1px solid var(--border);
  padding:18px 20px;display:flex;align-items:center;gap:16px;
  box-shadow:var(--shadow);transition:var(--transition);
}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateX(4px);border-color:#C9D8F2}
.news-item-info{flex:1;min-width:0}
.news-item-info h4{font-size:16px;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-item-info p{
  font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:6px;
}
.news-item-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3)}
.news-item-meta time{font-size:12px}
.news-item-arrow{font-size:20px;color:var(--text-3);transition:var(--transition);flex-shrink:0}
.news-item:hover .news-item-arrow{color:var(--primary);transform:translateX(4px)}

.news-empty{
  grid-column:1/-1;background:#F7FAFE;border:2px dashed #C6D2E4;border-radius:var(--radius-lg);
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;color:var(--text-3);font-size:15px;
}
.news-empty svg{opacity:.6}

/* ===== FAQ ===== */
.faq-section{padding:88px 0}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:var(--transition);
  box-shadow:0 2px 8px rgba(15,59,135,.02);
}
.faq-item:hover{border-color:#C9D8F2}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-q{
  width:100%;background:transparent;border:none;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;
  transition:var(--transition);
}
.faq-q:hover{color:var(--primary)}
.faq-q .icon{
  width:28px;height:28px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  color:var(--primary);flex-shrink:0;transition:var(--transition);font-weight:400;
}
.faq-item.open .faq-q .icon{
  background:var(--primary);color:#fff;transform:rotate(45deg);
}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
  padding:0 24px;
}
.faq-item.open .faq-a{
  max-height:400px;padding-bottom:20px;
}
.faq-a p{font-size:14px;color:var(--text-2);line-height:1.9}

/* ===== CTA Banner ===== */
.cta-section{padding:88px 0}
.cta-banner{
  position:relative;border-radius:24px;overflow:hidden;padding:80px 60px;
  text-align:center;background-size:cover;background-position:center;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(15,59,135,.88), rgba(27,95,217,.68));
}
.cta-banner-inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.cta-banner h2{color:#fff;font-size:36px;margin-bottom:14px;letter-spacing:-.01em}
.cta-banner p{color:rgba(255,255,255,.88);font-size:16px;line-height:1.8;margin-bottom:30px}
.cta-banner .btn-accent{
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.cta-banner .btn-accent:hover{box-shadow:0 14px 40px rgba(0,0,0,.3);transform:translateY(-2px)}
.cta-deco{
  position:absolute;z-index:1;border-radius:50%;pointer-events:none;
}
.cta-deco-1{width:180px;height:180px;border:2px solid rgba(255,255,255,.15);top:-60px;left:-60px}
.cta-deco-2{width:120px;height:120px;border:2px solid rgba(255,255,255,.1);bottom:-30px;right:-30px}

/* ===== Footer ===== */
.site-footer{
  background:#0D1B2E;color:#B8C4D4;padding:64px 0 0;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:48px;
}
.footer-brand{max-width:320px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--primary);color:#fff}
.footer-brand p{line-height:1.8;color:#8CA0B8;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:32px;height:32px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:#B8C4D4;font-size:14px;
  transition:var(--transition);
}
.footer-social a:hover{background:var(--primary);color:#fff}
.footer-col h4{
  color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;
}
.footer-col a{
  display:block;padding:5px 0;color:#8CA0B8;transition:var(--transition);font-size:14px;
}
.footer-col a:hover{color:#fff;padding-left:6px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#8CA0B8}
.footer-contact li svg{flex-shrink:0;margin-top:3px;stroke:#8CA0B8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6E8296;
}
.footer-bottom a{color:#8CA0B8}
.footer-bottom a:hover{color:#fff}

/* ===== Focus Visible ===== */
:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;
}
a:focus-visible,button:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:50px}
  .hero-content{max-width:100%}
  .hero h1{font-size:42px}
  .hero-visual{max-width:480px;margin:0 auto;padding:30px 0}
  .hero-cover-main{margin:0 auto}
  .hero-cover-small{right:-10px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hot-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{margin:0}
}

@media (max-width:768px){
  .section{padding:64px 0}
  .nav-menu{display:none}
  .hamburger{display:flex}
  .mobile-menu{display:none}
  .mobile-menu.open{display:block}
  .search-box{display:none}
  h2{font-size:28px}
  .section-header{flex-direction:column;align-items:flex-start;gap:14px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .hero{padding:72px 0;min-height:auto}
  .hero-cover-main{max-width:100%}
  .hero-cover-small{width:140px}
  .film-strip .strip-card{flex-basis:220px}
  .hot-feature-body{padding:22px}
  .hot-feature-num{font-size:56px}
  .grid-4{grid-template-columns:1fr;gap:16px}
  .news-grid{grid-template-columns:1fr}
  .news-item{padding:16px;flex-direction:column;gap:10px}
  .news-item-arrow{display:none}
  .faq-q{font-size:15px;padding:18px 16px}
  .cta-banner{padding:50px 24px}
  .cta-banner h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
}

@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;font-size:14px}
  .topbar{height:32px;font-size:12px}
  .topbar-actions{gap:10px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-features{flex-direction:column;gap:8px}
  .hot-list{padding:12px}
  .hot-row{padding:10px}
  .hot-thumb{width:52px;height:60px}
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{max-width:100%}
}

/* roulang page: category1 */
:root {
            --primary: #1B5FD9;
            --primary-dark: #0F3B87;
            --primary-light: #EAF1FB;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text: #16243A;
            --text-secondary: #5C6B82;
            --text-muted: #8C9AB0;
            --border: #E4EAF3;
            --accent: #F3A83B;
            --accent-hover: #E5982B;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 20px;
            --shadow: 0 6px 20px rgba(15, 59, 135, 0.06);
            --shadow-hover: 0 14px 34px rgba(15, 59, 135, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

        ul,
        ol {
            list-style: none;
        }

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

        input {
            font-family: inherit;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== Top Bar ========== */
        .top-bar {
            background: var(--primary-dark);
            color: #fff;
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
        }

        .top-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .top-bar-domain {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            letter-spacing: 0.02em;
        }

        .top-bar-domain::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            flex-shrink: 0;
        }

        .top-bar-domain:hover {
            color: #fff;
        }

        .top-bar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .top-bar-actions a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            padding: 2px 0;
            display: inline-block;
            transition: var(--transition);
        }

        .top-bar-actions a:hover {
            color: #fff;
        }

        .top-bar-actions .divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.3);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 59, 135, 0.04);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.02em;
            box-shadow: 0 4px 12px rgba(27, 95, 217, 0.25);
        }

        .brand-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.3s ease;
        }

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

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-search {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 14px;
            height: 38px;
            width: 220px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            width: 280px;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 95, 217, 0.12);
            background: #fff;
        }

        .nav-search svg {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            width: 100%;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 10px;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 95, 217, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(27, 95, 217, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

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

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

        .btn-accent {
            background: var(--accent);
            color: #16243A;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(243, 168, 59, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #16243A;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(243, 168, 59, 0.4);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            height: 38px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg);
            border: 1px solid var(--border);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding-top: 20px;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

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

        .breadcrumb .sep {
            color: #C2CDE0;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            min-height: 280px;
            background: linear-gradient(90deg, rgba(15, 59, 135, 0.92) 0%, rgba(27, 95, 217, 0.75) 50%, rgba(27, 95, 217, 0.35) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .category-hero-inner {
            position: relative;
            z-index: 2;
            padding: 56px 0 48px;
            max-width: 720px;
        }

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

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

        .category-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .category-hero .breadcrumb .current {
            color: rgba(255, 255, 255, 0.95);
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin: 18px 0 14px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .category-hero p.lead {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
        }

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

        .section-alt {
            background: #fff;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
        }

        .section-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
        }

        .section-header .subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.6;
        }

        .section-header .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .section-header .more-link:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .section-header .more-link svg {
            transition: transform 0.3s ease;
        }

        .section-header .more-link:hover svg {
            transform: translateX(4px);
        }

        /* ========== Category Cards ========== */
        .featured-cards {
            padding: 80px 0 40px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .card-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #C8D8F0;
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        .card-item:hover .card-cover img {
            transform: scale(1.04);
        }

        .card-cover .tag-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(15, 59, 135, 0.88);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.02em;
        }

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

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            transition: var(--transition);
        }

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

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .card-meta .date {
            font-size: 13px;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .card-meta .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ========== Topic Sections ========== */
        .topic-section {
            padding: 72px 0;
            border-top: 1px solid var(--border);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .topic-card {
            display: flex;
            gap: 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #C8D8F0;
        }

        .topic-card .thumb {
            width: 128px;
            min-width: 128px;
            height: 88px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--primary-light);
            position: relative;
        }

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

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

        .topic-card .thumb .play-icon {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 59, 135, 0.36);
            color: #fff;
            font-size: 18px;
            opacity: 0;
            transition: var(--transition);
        }

        .topic-card:hover .thumb .play-icon {
            opacity: 1;
        }

        .topic-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .topic-card .info .label-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
        }

        .topic-card .info .label-row .mini-tag {
            font-size: 11px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .topic-card .info .label-row .time {
            font-size: 12px;
            color: var(--text-muted);
            font-variant-numeric: tabular-nums;
        }

        .topic-card .info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 4px;
            transition: var(--transition);
        }

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

        .topic-card .info p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-note {
            margin-top: 28px;
            background: var(--primary-light);
            border-radius: var(--radius);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: 1px solid #D5E2F7;
        }

        .topic-note p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .topic-note a {
            font-weight: 600;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 59, 135, 0.88) 0%, rgba(27, 95, 217, 0.82) 60%, rgba(27, 95, 217, 0.65) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: 24px;
            margin: 80px 0;
            padding: 64px 56px;
            text-align: center;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(15, 59, 135, 0.25);
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
            letter-spacing: -0.02em;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 2;
            min-width: 160px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 80px 0;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .faq-item:hover {
            border-color: #C8D8F0;
            box-shadow: var(--shadow-hover);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(27, 95, 217, 0.1);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
            background: transparent;
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            font-weight: 400;
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding-top: 56px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 16px 0 20px;
            max-width: 320px;
        }

        .footer-brand .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

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

        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--bg);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }

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

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-contact svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        .footer-contact a {
            color: var(--text-secondary);
            padding: 0;
        }

        .footer-contact a:hover {
            color: var(--primary);
            padding-left: 2px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ========== Focus Visible ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }

            .nav-search {
                width: 160px;
            }

            .nav-search:focus-within {
                width: 200px;
            }

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

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links,
            .nav-actions {
                display: none;
            }

            .main-nav {
                height: 64px;
            }

            .brand-text {
                font-size: 17px;
            }

            .nav-links.open,
            .nav-actions.open {
                display: flex;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(15, 59, 135, 0.08);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                z-index: 99;
            }

            .nav-links.open a,
            .nav-actions.open a {
                width: 100%;
                padding: 12px 8px;
                border-radius: 8px;
            }

            .nav-links.open a:hover {
                background: var(--primary-light);
            }

            .nav-links.open .nav-link::after {
                display: none;
            }

            .nav-actions.open {
                top: 64px;
                padding-top: 8px;
                box-shadow: none;
                border-bottom: none;
            }

            .nav-actions.open .nav-search {
                width: 100%;
                margin-bottom: 8px;
            }

            .nav-actions.open .btn {
                width: 100%;
            }

            .category-hero {
                min-height: 240px;
            }

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

            .category-hero p.lead {
                font-size: 15px;
            }

            .section {
                padding: 56px 0;
            }

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

            .section-header h2 {
                font-size: 26px;
            }

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

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

            .topic-card .thumb {
                width: 108px;
                min-width: 108px;
                height: 76px;
            }

            .cta-banner {
                margin: 48px 0;
                padding: 40px 24px;
                border-radius: 16px;
            }

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

            .cta-banner p {
                font-size: 14px;
            }

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

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

        @media (max-width: 520px) {
            .top-bar-inner {
                justify-content: center;
                font-size: 12px;
            }

            .top-bar-actions {
                display: none;
            }

            .container {
                padding: 0 14px;
            }

            .category-hero {
                min-height: 220px;
            }

            .category-hero h1 {
                font-size: 26px;
                margin-top: 12px;
            }

            .category-hero p.lead {
                font-size: 14px;
                line-height: 1.7;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 24px;
            }

            .section-header .more-link {
                align-self: flex-start;
            }

            .topic-card {
                padding: 12px;
                gap: 12px;
            }

            .topic-card .thumb {
                width: 92px;
                min-width: 92px;
                height: 68px;
            }

            .topic-card .info h3 {
                font-size: 14px;
            }

            .topic-card .info p {
                font-size: 12px;
            }

            .topic-note {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }

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

            .faq-answer-inner {
                padding: 0 18px 18px;
                font-size: 14px;
            }

            .cta-banner {
                padding: 36px 20px;
            }
        }

/* roulang page: article */
:root {
  --brand: #1B5FD9;
  --brand-dark: #0F3B87;
  --brand-light: #EAF1FB;
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --text: #16243A;
  --text-secondary: #5C6B82;
  --text-muted: #8C9AB0;
  --border: #E4EAF3;
  --accent: #F3A83B;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 20px rgba(15, 59, 135, 0.06);
  --shadow-hover: 0 14px 34px rgba(15, 59, 135, 0.12);
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color .2s;
}

a:hover {
  color: var(--brand-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Topbar */
.topbar {
  background: var(--brand-dark);
  color: #fff;
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
}

.topbar-domain {
  color: rgba(255, 255, 255, .85);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

.topbar-domain:hover {
  color: #fff;
}

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

.topbar-link {
  color: rgba(255, 255, 255, .85);
  padding: 0 14px;
  border-left: 1px solid rgba(255, 255, 255, .18);
  transition: color .2s;
}

.topbar-link:first-child {
  border-left: 0;
}

.topbar-link:hover {
  color: #fff;
}

/* Header & Nav */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -.02em;
  flex: 0 0 auto;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--brand-dark);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: 16px;
  flex: 1;
}

.nav-link {
  position: relative;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 2px;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transition: width .25s;
}

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

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

.nav-link.active {
  color: var(--brand);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform .25s, opacity .25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  border: 1px solid transparent;
  transition: all .22s;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--brand-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

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

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-light);
}

.btn-accent {
  background: var(--accent);
  color: #16243A;
}

.btn-accent:hover {
  background: #E5982B;
  color: #16243A;
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(243, 168, 59, .35);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
}

.btn:active {
  transform: scale(.98);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 36px 0 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

.breadcrumb-sep {
  color: #C6D2E4;
}

.breadcrumb-current {
  color: var(--text);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Article Main */
.article-main {
  padding-bottom: 88px;
}

.article-head {
  max-width: 960px;
  margin: 24px auto 32px;
}

.article-title {
  font-size: 38px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item svg {
  color: var(--brand);
  flex: 0 0 auto;
}

.meta-item a {
  color: var(--text-secondary);
}

.meta-item a:hover {
  color: var(--brand);
}

/* Article Cover */
.article-cover {
  max-width: 960px;
  margin: 0 auto 48px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: var(--brand-light);
  aspect-ratio: 16 / 9;
}

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

/* Article Content */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 2;
  color: var(--text);
  word-wrap: break-word;
}

.article-content p {
  margin: 24px 0;
}

.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 56px 0 20px;
  letter-spacing: -0.01em;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
  line-height: 1.4;
}

.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 40px 0 16px;
  color: var(--text);
  line-height: 1.5;
}

.article-content img {
  border-radius: 12px;
  margin: 28px auto;
}

.article-content a {
  color: var(--brand);
  border-bottom: 1px solid rgba(27, 95, 217, .3);
}

.article-content a:hover {
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}

.article-content blockquote {
  border-left: 4px solid var(--brand);
  background: var(--brand-light);
  padding: 18px 24px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 26px;
}

.article-content li {
  margin: 10px 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 16px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  text-align: left;
}

.article-content th {
  background: var(--brand-light);
  font-weight: 600;
}

.article-content hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.article-content code {
  background: var(--brand-light);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: .92em;
}

/* Article Share */
.article-share {
  max-width: 800px;
  margin: 48px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  transition: background .2s;
}

.tag:hover {
  background: #DCE8FA;
}

.share-actions {
  display: flex;
  gap: 10px;
}

/* Related */
.related-section {
  max-width: 960px;
  margin: 72px auto 0;
}

.related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.related-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}

.related-title::before {
  content: "";
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: var(--brand);
}

.related-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.related-more:hover .arrow {
  transform: translateX(4px);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .25s;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #C6D2E4;
}

.related-card .card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--brand-light);
}

.related-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.related-card:hover .card-media img {
  transform: scale(1.03);
}

.related-card .card-body {
  padding: 20px 22px 22px;
}

.related-card .card-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
}

.related-card .card-title a {
  color: var(--text);
}

.related-card .card-title a:hover {
  color: var(--brand);
}

.related-card .card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
}

.related-card .card-link:hover .arrow {
  transform: translateX(4px);
}

.arrow {
  display: inline-block;
  transition: transform .22s;
}

/* CTA */
.article-cta {
  max-width: 960px;
  margin: 80px auto 0;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(120deg, rgba(15, 59, 135, .94), rgba(27, 95, 217, .82)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 64px 48px;
  text-align: center;
  color: #fff;
}

.article-cta h3 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.article-cta p {
  margin: 14px auto 28px;
  max-width: 540px;
  color: rgba(255, 255, 255, .88);
  font-size: 16px;
}

.article-cta .btn-accent {
  background: var(--accent);
  color: #16243A;
}

.article-cta .btn-accent:hover {
  background: #fff;
  color: var(--brand-dark);
}

/* Empty State */
.article-empty {
  max-width: 720px;
  margin: 80px auto;
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 72px 48px;
}

.article-empty h1 {
  font-size: 32px;
  color: var(--text);
}

.article-empty p {
  color: var(--text-muted);
  margin: 14px 0 28px;
}

/* Footer */
.site-footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, .75);
  margin-top: 88px;
}

.site-footer a {
  color: rgba(255, 255, 255, .8);
  transition: color .2s;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}

.footer-brand .brand-mark {
  background: rgba(255, 255, 255, .14);
  color: #fff;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .65);
  max-width: 360px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  text-decoration: none;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, .22);
  color: #fff;
}

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

.footer-col a {
  display: block;
  font-size: 14px;
  padding: 5px 0;
}

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

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .65);
}

.footer-contact svg {
  flex: 0 0 auto;
  margin-top: 3px;
  stroke: rgba(255, 255, 255, .7);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}

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

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

  .related-card:last-child {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    height: 64px;
    gap: 16px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    z-index: 99;
  }

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

  .nav-link {
    display: block;
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 15px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--brand-light);
    color: var(--brand);
  }

  .nav-actions {
    margin-left: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .article-title {
    font-size: 30px;
  }

  .article-content {
    font-size: 17px;
    line-height: 1.9;
  }

  .article-cta {
    padding: 48px 28px;
  }

  .article-cta h3 {
    font-size: 26px;
  }

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

@media (max-width: 520px) {
  .topbar-actions .topbar-link {
    padding: 0 8px;
    font-size: 12px;
  }

  .topbar-domain {
    font-size: 12px;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .container {
    padding: 0 16px;
  }

  .breadcrumb {
    padding-top: 24px;
    font-size: 13px;
  }

  .breadcrumb-current {
    max-width: 180px;
  }

  .article-head {
    margin-top: 16px;
  }

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

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-cover {
    margin-bottom: 36px;
    border-radius: 12px;
  }

  .article-content h2 {
    font-size: 24px;
  }

  .article-content h3 {
    font-size: 20px;
  }

  .article-share {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .related-card:last-child {
    display: block;
  }

  .related-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .article-cta {
    padding: 40px 20px;
    border-radius: 16px;
  }

  .article-cta h3 {
    font-size: 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 48px;
  }

  .article-empty {
    padding: 48px 24px;
    margin: 56px auto;
  }

  .article-empty h1 {
    font-size: 26px;
  }
}