/* roulang page: index */
:root{
  --primary:#0a3d62;
  --primary-dark:#062d46;
  --primary-soft:rgba(10,61,98,.08);
  --accent:#f4a938;
  --success:#12b76a;
  --bg-light:#f4f7fb;
  --bg-white:#ffffff;
  --text-main:#16293a;
  --text-muted:#64748b;
  --border:#e4eaf1;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --shadow-xs:0 2px 8px rgba(10,61,98,.05);
  --shadow-sm:0 4px 16px rgba(10,61,98,.07);
  --shadow-md:0 12px 32px rgba(10,61,98,.10);
  --shadow-lg:0 24px 56px rgba(6,31,50,.16);
  --transition:all .25s ease;
  --font-family:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-family);
  font-size:16px;
  line-height:1.7;
  color:var(--text-main);
  background:var(--bg-white);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{max-width:1200px}
.section-py{padding:92px 0}
.section-tag{
  display:inline-block;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:.85rem;
  font-weight:700;
  padding:6px 16px;
  border-radius:999px;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(1.75rem,3.2vw,2.5rem);
  font-weight:800;
  color:var(--text-main);
  margin-bottom:14px;
  line-height:1.3;
  letter-spacing:-.5px;
}
.section-sub{
  color:var(--text-muted);
  font-size:1.05rem;
  max-width:640px;
  margin:0 auto;
}
.section-head{margin-bottom:52px}
.btn{
  border-radius:999px;
  font-weight:600;
  padding:12px 26px;
  border:2px solid transparent;
  transition:var(--transition);
  line-height:1.5;
  letter-spacing:.2px;
}
.btn:focus-visible{outline:3px solid rgba(244,169,56,.55);outline-offset:2px}
.btn-lg{padding:14px 30px;font-size:1rem}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline-primary{color:var(--primary);border-color:var(--primary);background:transparent}
.btn-outline-primary:hover,.btn-outline-primary:focus{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline-light{border-color:rgba(255,255,255,.75);color:#fff}
.btn-outline-light:hover,.btn-outline-light:focus{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;border-color:#fff;color:var(--primary)}
.btn-light:hover,.btn-light:focus{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-xs);
}
.navbar{padding:12px 0}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0;
  margin-right:18px;
}
.brand-mark{
  flex-shrink:0;
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#124f78);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:20px;
  font-weight:800;
  box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;color:var(--primary);letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-muted);letter-spacing:.5px}
.navbar-nav .nav-link{
  font-weight:600;
  color:var(--text-main);
  padding:9px 20px !important;
  border-radius:999px;
  margin:0 3px;
  font-size:.95rem;
}
.navbar-nav .nav-link:hover,.navbar-nav .nav-link:focus{
  color:var(--primary);
  background:var(--primary-soft);
}
.navbar-nav .nav-link.active{
  color:#fff;
  background:var(--primary);
  box-shadow:var(--shadow-sm);
}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;
  align-items:center;
  background:var(--bg-light);
  border:1px solid var(--border);
  border-radius:999px;
  padding:7px 16px;
  width:230px;
  transition:var(--transition);
}
.nav-search:focus-within{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 4px var(--primary-soft);
}
.nav-search i{color:var(--text-muted);font-size:.88rem;margin-right:8px}
.nav-search input{
  border:none;
  background:transparent;
  outline:none;
  width:100%;
  font-size:.9rem;
  color:var(--text-main);
}
.nav-search input::placeholder{color:#94a3b3}
.nav-cta{
  white-space:nowrap;
  padding:10px 22px;
  font-size:.92rem;
}
.navbar-toggler{
  border:1px solid var(--border);
  border-radius:10px;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  background:#fff;
  color:var(--primary);
  font-size:1.1rem;
}
.navbar-toggler:focus{box-shadow:0 0 0 4px var(--primary-soft);outline:none}

/* ===== Hero ===== */
.hero-section{
  position:relative;
  padding:92px 0 108px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(6,28,45,.93) 10%,rgba(10,61,98,.84) 55%,rgba(10,61,98,.48) 100%);
}
.hero-container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  padding:7px 16px;
  border-radius:999px;
  font-size:.85rem;
  font-weight:600;
  margin-bottom:24px;
  backdrop-filter:blur(8px);
}
.hero-eyebrow i{color:var(--accent)}
.hero-title{
  color:#fff;
  font-size:clamp(2.2rem,4.6vw,3.7rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-1px;
  margin-bottom:20px;
}
.hero-title span{color:var(--accent)}
.hero-desc{
  color:rgba(255,255,255,.85);
  font-size:1.12rem;
  line-height:1.8;
  max-width:560px;
  margin-bottom:0;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-trust{
  display:flex;
  gap:26px;
  flex-wrap:wrap;
  margin-top:38px;
  color:rgba(255,255,255,.72);
  font-size:.9rem;
}
.hero-trust i{color:var(--accent);margin-right:6px}
.hero-card{
  background:rgba(255,255,255,.97);
  border-radius:24px;
  padding:28px;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.4);
}
.hero-card-head{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.05rem;
  font-weight:800;
  color:var(--primary);
  border-bottom:1px dashed var(--border);
  padding-bottom:16px;
  margin-bottom:16px;
}
.hero-card-head i{font-size:1.3rem;color:var(--accent)}
.hero-feature-list{display:grid;gap:12px;margin-bottom:22px}
.hero-feature-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#f4f7fb;
  border:1px solid transparent;
  border-radius:14px;
  padding:12px 14px;
  transition:var(--transition);
}
.hero-feature-list li:hover{
  border-color:var(--primary);
  background:#fff;
  box-shadow:var(--shadow-xs);
}
.hero-feature-list i{
  color:var(--primary);
  font-size:1.25rem;
  width:24px;
  text-align:center;
  margin-top:2px;
}
.hero-feature-list strong{display:block;font-size:.97rem;color:var(--text-main)}
.hero-feature-list span{font-size:.85rem;color:var(--text-muted)}
.hero-card .btn{font-size:.95rem;padding:11px 20px}

/* ===== Features ===== */
.features-section{background:var(--bg-light)}
.feature-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 28px;
  height:100%;
  position:relative;
  overflow:hidden;
  transition:var(--transition);
  box-shadow:var(--shadow-xs);
}
.feature-card::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:4px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s ease;
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:transparent;
}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{
  width:58px;
  height:58px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--primary),#145682);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:22px;
  margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.feature-card h3{
  font-size:1.16rem;
  font-weight:700;
  margin-bottom:10px;
  color:var(--text-main);
}
.feature-card p{
  color:var(--text-muted);
  font-size:.95rem;
  margin-bottom:0;
}

/* ===== Flow / Login guide ===== */
.flow-section{background:#fff}
.flow-visual{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.flow-visual img{width:100%;height:100%;object-fit:cover}
.flow-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(6,31,50,.35),transparent 55%);
}
.step-list{margin-top:8px}
.step-item{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px dashed var(--border);
  transition:var(--transition);
}
.step-item:last-child{border-bottom:none}
.step-item:hover .step-num{
  background:var(--accent);
  color:#fff;
}
.step-num{
  flex-shrink:0;
  width:50px;
  height:50px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:1.05rem;
  transition:var(--transition);
  box-shadow:var(--shadow-sm);
}
.step-item h3{font-size:1.08rem;font-weight:700;margin-bottom:4px}
.step-item p{color:var(--text-muted);font-size:.93rem;margin-bottom:0}
.flow-note{
  display:inline-block;
  margin-top:26px;
  background:var(--primary-soft);
  padding:10px 20px;
  border-radius:14px;
  color:var(--primary);
  font-size:.92rem;
  font-weight:600;
}
.flow-note i{margin-right:6px}

/* ===== Category cards ===== */
.category-section{background:var(--bg-light)}
.category-card{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  height:360px;
  box-shadow:var(--shadow-md);
  display:block;
}
.category-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.category-card:hover img{transform:scale(1.06)}
.category-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,31,50,0) 30%,rgba(6,31,50,.94) 100%);
  display:flex;
  align-items:flex-end;
  padding:32px;
}
.category-body h3{
  color:#fff;
  font-size:1.65rem;
  font-weight:800;
  margin-bottom:6px;
}
.category-body p{
  color:rgba(255,255,255,.82);
  font-size:.95rem;
  margin-bottom:18px;
  max-width:340px;
}
.category-body .btn{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  padding:10px 22px;
  font-size:.9rem;
}
.category-body .btn:hover{
  background:#fff;
  border-color:#fff;
  color:var(--primary);
}

/* ===== Latest posts ===== */
.latest-section{background:#fff}
.latest-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.post-list{display:grid;gap:18px}
.post-row{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px 20px;
  display:flex;
  gap:20px;
  align-items:center;
  transition:var(--transition);
}
.post-row:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
  border-color:transparent;
}
.post-thumb{
  width:150px;
  height:100px;
  flex-shrink:0;
  border-radius:12px;
  overflow:hidden;
  background:var(--bg-light);
}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-main{flex:1;min-width:0}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.post-category{
  background:var(--primary-soft);
  color:var(--primary);
  font-size:.78rem;
  font-weight:700;
  padding:3px 12px;
  border-radius:999px;
}
.post-time{color:var(--text-muted);font-size:.82rem}
.post-title{
  font-size:1.05rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:4px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.post-row:hover .post-title{color:var(--primary)}
.post-excerpt{
  color:var(--text-muted);
  font-size:.9rem;
  margin-bottom:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.post-arrow{
  flex-shrink:0;
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--bg-light);
  display:grid;
  place-items:center;
  color:var(--primary);
  font-size:.9rem;
  transition:var(--transition);
}
.post-row:hover .post-arrow{
  background:var(--primary);
  color:#fff;
}
.empty-state{
  background:var(--bg-light);
  border:2px dashed var(--border);
  border-radius:16px;
  padding:60px 20px;
  text-align:center;
  color:var(--text-muted);
  font-size:1rem;
}

/* ===== Stats ===== */
.stats-section{
  position:relative;
  padding:84px 0;
  overflow:hidden;
}
.stats-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
}
.stats-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(6,28,45,.92),rgba(10,61,98,.86));
}
.stats-section .container{position:relative;z-index:2}
.stat-item{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:22px;
  padding:32px 24px;
  text-align:center;
  backdrop-filter:blur(6px);
  transition:var(--transition);
  height:100%;
}
.stat-item:hover{
  background:rgba(255,255,255,.13);
  transform:translateY(-4px);
}
.stat-num{
  display:block;
  font-size:2.6rem;
  font-weight:800;
  color:#fff;
  line-height:1.2;
  margin-bottom:4px;
}
.stat-label{
  color:rgba(255,255,255,.72);
  font-size:.95rem;
  font-weight:500;
}

/* ===== Experience ===== */
.experience-section{background:#fff}
.experience-image{
  border-radius:24px;
  box-shadow:var(--shadow-lg);
  width:100%;
  object-fit:cover;
}
.experience-list{display:grid;gap:14px;margin-top:24px}
.experience-list li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1rem;
  color:var(--text-main);
  font-weight:500;
}
.experience-list i{color:var(--success);font-size:1.15rem}

/* ===== Reviews ===== */
.reviews-section{background:var(--bg-light)}
.review-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  height:100%;
  box-shadow:var(--shadow-xs);
  transition:var(--transition);
}
.review-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
  border-color:transparent;
}
.review-stars{color:var(--accent);margin-bottom:12px;font-size:.9rem;letter-spacing:2px}
.review-text{
  color:var(--text-muted);
  font-size:.96rem;
  line-height:1.8;
  margin-bottom:0;
}
.review-user{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid var(--border);
}
.review-avatar{
  width:44px;
  height:44px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#145682);
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size:.95rem;
  flex-shrink:0;
}
.review-user-name{font-weight:700;font-size:.95rem;color:var(--text-main)}
.review-user-role{font-size:.82rem;color:var(--text-muted)}

/* ===== FAQ ===== */
.faq-section{background:#fff}
.accordion-item{
  border:1px solid var(--border);
  border-radius:16px !important;
  margin-bottom:16px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-xs);
}
.accordion-button{
  padding:22px 24px;
  font-weight:700;
  font-size:1rem;
  color:var(--text-main);
  background:#fff;
  border:none;
}
.accordion-button:not(.collapsed){
  color:var(--primary);
  background:var(--bg-light);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:none;
  border-color:var(--primary);
}
.accordion-button::after{
  background-size:1rem;
  opacity:.6;
}
.accordion-body{
  padding:8px 24px 24px;
  color:var(--text-muted);
  font-size:.95rem;
  line-height:1.85;
}

/* ===== CTA ===== */
.cta-section{
  position:relative;
  background:var(--primary-dark);
  padding:90px 0;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
  opacity:.25;
}
.cta-box{
  position:relative;
  z-index:2;
  background:linear-gradient(120deg,rgba(10,61,98,.96),rgba(20,86,130,.9));
  border:1px solid rgba(255,255,255,.14);
  border-radius:32px;
  padding:64px 48px;
  text-align:center;
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-box h2{
  font-size:clamp(1.7rem,3vw,2.4rem);
  font-weight:800;
  margin-bottom:14px;
}
.cta-box p{
  font-size:1.05rem;
  color:rgba(255,255,255,.82);
  max-width:560px;
  margin:0 auto;
}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.cta-note{
  margin-top:18px;
  font-size:.85rem;
  color:rgba(255,255,255,.65);
}

/* ===== Footer ===== */
.site-footer{
  background:#071c2b;
  color:rgba(255,255,255,.65);
  padding:72px 0 32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-size:1.4rem;
  font-weight:800;
  margin-bottom:16px;
}
.footer-about{font-size:.93rem;max-width:400px;line-height:1.8}
.footer-title{
  color:#fff;
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:20px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.6);
  font-size:.93rem;
  transition:var(--transition);
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:12px;
  font-size:.92rem;
}
.footer-contact i{
  color:var(--accent);
  margin-top:5px;
  font-size:.85rem;
  width:16px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:52px;
  padding-top:26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:.85rem;
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .nav-search{width:180px}
  .hero-section{padding:72px 0 88px}
  .section-py{padding:76px 0}
  .category-card{height:320px}
}
@media (max-width:768px){
  .section-py{padding:60px 0}
  .hero-section{padding:56px 0 72px}
  .hero-btns .btn{width:100%;justify-content:center}
  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    padding:14px 0;
  }
  .nav-search{width:100%}
  .nav-cta{text-align:center}
  .navbar-collapse{
    padding-top:10px;
  }
  .post-row{
    flex-wrap:wrap;
    padding:14px;
  }
  .post-thumb{
    width:100%;
    height:170px;
  }
  .post-arrow{
    display:none;
  }
  .stats-section{padding:60px 0}
  .stat-num{font-size:2.1rem}
  .cta-box{padding:48px 24px}
  .site-footer{padding-top:56px}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width:520px){
  .brand-text em{display:none}
  .brand-text strong{font-size:16px}
  .section-title{font-size:1.6rem}
  .hero-title{font-size:2rem}
  .hero-desc{font-size:1rem}
  .hero-trust{gap:14px;font-size:.82rem}
  .hero-card{padding:22px}
  .category-card{height:280px}
  .category-overlay{padding:22px}
  .category-body h3{font-size:1.3rem}
  .cta-btns .btn{width:100%}
  .footer-contact{font-size:.88rem}
}

/* roulang page: category1 */
:root {
            --primary: #0d6e4f;
            --primary-dark: #0a5740;
            --primary-light: #e8f5ef;
            --accent: #e8a13d;
            --bg: #f7f9f8;
            --bg-white: #ffffff;
            --text: #1f2937;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(0, 0, 0, .06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, .09);
            --spacing: 64px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-header {
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-right: 16px;
        }

        .site-header .brand-mark {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .site-header .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .site-header .brand-text strong {
            font-size: 16px;
            color: var(--text);
            font-weight: 700;
        }

        .site-header .brand-text em {
            font-size: 11px;
            color: var(--text-muted);
            font-style: normal;
        }

        .site-header .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            margin: 0 2px;
            transition: all .25s ease;
        }

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

        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .site-header .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 4px 6px 4px 14px;
            transition: all .3s ease;
        }

        .site-header .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 79, .1);
            background: #fff;
        }

        .site-header .nav-search i {
            color: var(--text-muted);
            font-size: 13px;
            margin-right: 4px;
        }

        .site-header .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 130px;
            color: var(--text);
        }

        .site-header .nav-search input::placeholder {
            color: #adb5bd;
        }

        .btn {
            border-radius: 10px;
            padding: 8px 20px;
            font-weight: 600;
            font-size: 14px;
            transition: all .25s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            box-shadow: 0 4px 12px rgba(13, 110, 79, .25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 110, 79, .35);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
        }

        .btn-primary:focus {
            box-shadow: 0 0 0 4px rgba(13, 110, 79, .2);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, .8);
            color: #fff;
            border-radius: 10px;
            font-weight: 600;
            padding: 8px 20px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
        }

        .site-header .nav-cta {
            padding: 8px 18px;
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            color: var(--text);
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            background: var(--primary-light);
        }

        /* ===== Hero / 页面横幅 ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(10, 87, 64, .92), rgba(13, 110, 79, .82), rgba(8, 60, 45, .9)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 80px 0 64px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -100px;
            top: -100px;
            width: 320px;
            height: 320px;
            background: rgba(232, 161, 61, .12);
            border-radius: 50%;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .page-hero p.lead {
            font-size: 18px;
            opacity: .92;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .page-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .page-hero .hero-stat strong {
            font-size: 24px;
            font-weight: 700;
        }

        .page-hero .hero-stat span {
            font-size: 13px;
            opacity: .8;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head .section-sub {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
        }

        /* ===== 登录方式卡片 ===== */
        .login-methods {
            background: var(--bg-white);
        }

        .login-method-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .login-method-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s ease;
        }

        .login-method-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 110, 79, .2);
        }

        .login-method-card:hover::before {
            opacity: 1;
        }

        .login-method-card .method-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .login-method-card .method-icon.purple {
            background: #f3e8ff;
            color: #7c3aed;
        }

        .login-method-card .method-icon.orange {
            background: #fff3e0;
            color: #ea8a2a;
        }

        .login-method-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .login-method-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .login-method-card .method-tag {
            display: inline-block;
            font-size: 12px;
            background: var(--bg);
            border-radius: 50px;
            padding: 4px 12px;
            color: var(--text);
            font-weight: 500;
            border: 1px solid var(--border);
        }

        /* ===== 步骤流程样式 ===== */
        .steps-section {
            background: var(--bg);
        }

        .step-row {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            margin-bottom: 16px;
            transition: all .3s ease;
            position: relative;
        }

        .step-row:hover {
            box-shadow: var(--shadow);
            border-color: rgba(13, 110, 79, .25);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(13, 110, 79, .3);
        }

        .step-content {
            flex: 1;
        }

        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-content p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .step-content ul {
            margin-top: 10px;
            padding-left: 20px;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== 安全提示区块 ===== */
        .safety-section {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            color: #e2e8f0;
            position: relative;
            overflow: hidden;
        }

        .safety-section::before {
            content: '';
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 300px;
            height: 300px;
            background: rgba(13, 110, 79, .2);
            border-radius: 50%;
        }

        .safety-section .section-head h2 {
            color: #fff;
        }

        .safety-section .section-head p {
            color: #94a3b8;
        }

        .safety-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius);
            padding: 24px;
            height: 100%;
            backdrop-filter: blur(8px);
            transition: all .3s ease;
        }

        .safety-card:hover {
            background: rgba(255, 255, 255, .09);
            border-color: rgba(255, 255, 255, .2);
            transform: translateY(-3px);
        }

        .safety-card .safety-icon {
            width: 44px;
            height: 44px;
            background: rgba(13, 110, 79, .4);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #4ade80;
            margin-bottom: 14px;
        }

        .safety-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .safety-card p {
            font-size: 14px;
            color: #94a3b8;
            margin-bottom: 0;
        }

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

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            margin-bottom: 14px;
            transition: all .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(13, 110, 79, .3);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            transition: all .3s ease;
            border-radius: var(--radius-sm);
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            color: var(--primary);
            font-weight: 400;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(10, 87, 64, .95), rgba(8, 60, 45, .97)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 17px;
            opacity: .9;
            max-width: 640px;
            margin: 0 auto 30px;
        }

        .cta-section .btn-cta {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 8px 24px rgba(232, 161, 61, .35);
        }

        .cta-section .btn-cta:hover {
            background: #d68f2c;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232, 161, 61, .45);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-mark {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            font-weight: 700;
        }

        .site-footer .footer-about {
            font-size: 14px;
            line-height: 1.7;
            max-width: 340px;
            margin-bottom: 0;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            margin-top: 8px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 8px;
        }

        .site-footer .footer-links a {
            color: #94a3b8;
            transition: all .2s ease;
        }

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

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-contact li {
            padding: 8px 0;
            color: #94a3b8;
            display: flex;
            gap: 10px;
        }

        .site-footer .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding: 20px 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: #fff;
                border-radius: 12px;
                box-shadow: var(--shadow);
                padding: 16px;
                margin-top: 12px;
            }

            .site-header .navbar-nav .nav-link {
                padding: 10px 14px;
            }

            .site-header .nav-actions {
                flex-direction: column;
                align-items: stretch;
                margin-top: 12px;
            }

            .site-header .nav-search {
                width: 100%;
            }

            .site-header .nav-search input {
                width: 100%;
                padding: 6px 0;
            }

            .site-header .nav-cta {
                text-align: center;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero p.lead {
                font-size: 16px;
            }

            .page-hero .hero-stats {
                gap: 18px;
            }

            .step-row {
                flex-direction: column;
                gap: 14px;
            }

            .step-number {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }

            .cta-section h2 {
                font-size: 28px;
            }
        }

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

            .site-header .brand-text strong {
                font-size: 14px;
            }

            .page-hero {
                padding: 44px 0 38px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

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

            .login-method-card {
                padding: 20px;
            }

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

        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0a2540;
            --primary-light: #1a3d5c;
            --accent: #e63946;
            --accent-hover: #c02633;
            --gold: #f4a623;
            --bg: #f6f8fc;
            --white: #ffffff;
            --dark: #0d1b2a;
            --text: #1b2a3a;
            --text-weak: #5c6b7a;
            --text-muted: #8896a5;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow: 0 8px 30px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 16px 48px rgba(10, 37, 64, 0.12);
            --transition: 0.3s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

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

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(10, 37, 64, 0.04);
        }

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

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }

        .site-header .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(10, 37, 64, 0.25);
        }

        .site-header .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .site-header .brand-text strong {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .site-header .brand-text em {
            font-size: 11px;
            font-style: normal;
            color: var(--text-weak);
            letter-spacing: 1px;
        }

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

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-weak);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
        }

        .site-header .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 37, 64, 0.05);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            background: rgba(10, 37, 64, 0.08);
            font-weight: 700;
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 6px 8px 6px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 220px;
        }

        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.08);
        }

        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .btn-primary {
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
            --bs-btn-hover-bg: var(--primary-light);
            --bs-btn-hover-border-color: var(--primary-light);
            --bs-btn-active-bg: var(--primary);
            --bs-btn-active-border-color: var(--primary);
            font-weight: 700;
            border-radius: 30px;
            padding: 8px 22px;
            font-size: 14px;
            transition: all var(--transition);
            box-shadow: 0 4px 12px rgba(10, 37, 64, 0.18);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 37, 64, 0.25);
        }

        .btn-outline-light {
            border-radius: 30px;
            font-weight: 600;
        }

        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 20px;
            padding: 6px 10px;
            border-radius: 10px;
            background: rgba(10, 37, 64, 0.05);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(120deg, rgba(10, 37, 64, 0.95), rgba(26, 61, 92, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(244, 166, 35, 0.18), transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 30px;
            backdrop-filter: blur(8px);
            margin-bottom: 18px;
        }

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

        .category-hero .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

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

        .category-hero .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
        }

        .category-hero .hero-meta i {
            color: var(--gold);
            margin-right: 6px;
        }

        .breadcrumb-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }

        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            font-size: 13px;
        }

        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--text-weak);
        }

        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-label::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-text {
            color: var(--text-weak);
            font-size: 15px;
            max-width: 720px;
            margin-bottom: 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        /* ===== Stats ===== */
        .stats-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 36px 0;
            margin-top: -52px;
            position: relative;
            z-index: 5;
            border: 1px solid var(--border);
        }

        .stats-wrap .stat-item {
            text-align: center;
            padding: 12px 8px;
            border-right: 1px solid var(--border);
        }

        .stats-wrap .stat-item:last-child {
            border-right: none;
        }

        .stats-wrap .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stats-wrap .stat-num sub {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            bottom: 0;
        }

        .stats-wrap .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ===== News Cards ===== */
        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(10, 37, 64, 0.15);
        }

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

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

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

        .news-card .card-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 37, 64, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }

        .news-card .card-official {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 6px;
        }

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

        .news-card .card-date {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card .card-date i {
            color: var(--accent);
        }

        .news-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-text {
            font-size: 14px;
            color: var(--text-weak);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .news-card .card-footer {
            border-top: 1px solid var(--border);
            background: transparent;
            padding: 14px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .news-card .card-tags .tag {
            background: var(--bg);
            color: var(--primary);
            border-radius: 6px;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
        }

        .news-card .read-more {
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .news-card .read-more:hover {
            gap: 8px;
            color: var(--accent-hover);
        }

        /* ===== Match Focus Loop ===== */
        .loop-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .loop-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.3), transparent 70%);
        }

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

        .loop-section .section-text {
            color: rgba(255, 255, 255, 0.7);
        }

        .loop-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 26px;
            height: 100%;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }

        .loop-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(244, 166, 35, 0.4);
        }

        .loop-card .match-cat {
            font-size: 12px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .loop-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .loop-card .match-teams .team {
            font-weight: 700;
            font-size: 18px;
            text-align: center;
        }

        .loop-card .match-teams .vs {
            font-size: 22px;
            font-weight: 800;
            color: var(--gold);
        }

        .loop-card .match-time {
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        /* ===== Hot Ranks ===== */
        .rank-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition);
        }

        .rank-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(10, 37, 64, 0.15);
            transform: translateX(4px);
        }

        .rank-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--border);
            min-width: 44px;
            text-align: center;
        }

        .rank-card:nth-child(1) .rank-num,
        .rank-card:nth-child(2) .rank-num,
        .rank-card:nth-child(3) .rank-num {
            color: var(--gold);
        }

        .rank-card .rank-content {
            flex: 1;
        }

        .rank-card .rank-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 2px;
        }

        .rank-card .rank-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .rank-card .rank-score {
            background: var(--bg);
            border-radius: 30px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            text-align: center;
            min-width: 62px;
        }

        .rank-bar {
            height: 6px;
            background: var(--bg);
            border-radius: 4px;
            margin-top: 10px;
            overflow: hidden;
        }

        .rank-bar span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
        }

        /* ===== Topic Tags ===== */
        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 9px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            transition: all var(--transition);
            margin: 0 6px 10px 0;
        }

        .topic-tag i {
            color: var(--accent);
            font-size: 13px;
        }

        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .topic-tag:hover i {
            color: var(--gold);
        }

        /* ===== Media Quote ===== */
        .quote-section {
            background: linear-gradient(145deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-lg);
            padding: 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .quote-section::before {
            content: "\201C";
            position: absolute;
            top: -30px;
            left: 10px;
            font-size: 180px;
            color: rgba(255, 255, 255, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .quote-section .quote-text {
            font-size: 20px;
            line-height: 1.8;
            font-weight: 500;
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }

        .quote-section .quote-author {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .quote-section .quote-author::before {
            content: "";
            width: 32px;
            height: 2px;
            background: var(--gold);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(10, 37, 64, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: background var(--transition);
        }

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

        .faq-item summary .faq-icon {
            width: 30px;
            height: 30px;
            background: var(--bg);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item[open] summary {
            background: rgba(10, 37, 64, 0.02);
        }

        .faq-item[open] summary .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            padding: 0 24px 20px 68px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(244, 166, 35, 0.2);
            filter: blur(60px);
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .cta-section .btn {
            position: relative;
            z-index: 2;
        }

        .btn-light {
            border-radius: 30px;
            font-weight: 700;
            padding: 10px 32px;
            background: #fff;
            color: var(--primary);
            border: 2px solid transparent;
            transition: all var(--transition);
        }

        .btn-light:hover {
            background: var(--gold);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-accent {
            border-radius: 30px;
            font-weight: 700;
            padding: 10px 32px;
            background: var(--accent);
            color: #fff;
            border: 2px solid transparent;
            transition: all var(--transition);
        }

        .btn-accent:hover {
            background: #fff;
            color: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            color: #fff;
            border-radius: 10px;
            font-weight: 800;
            font-size: 18px;
        }

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

        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-footer .footer-links,
        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .site-footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        .site-footer .footer-contact i {
            color: var(--gold);
            margin-top: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 44px;
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* ===== Typography helpers ===== */
        .text-accent {
            color: var(--accent) !important;
        }

        .text-gold {
            color: var(--gold) !important;
        }

        .bg-white-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .divider {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 14px 0 20px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-hero {
                padding: 64px 0;
            }

            .category-hero .hero-title {
                font-size: 36px;
            }

            .nav-search {
                width: 180px;
            }

            .section {
                padding: 56px 0;
            }

            .cta-section {
                padding: 44px 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header .navbar-collapse {
                background: var(--white);
                padding: 16px;
                border-radius: 16px;
                box-shadow: var(--shadow);
                margin-top: 12px;
                border: 1px solid var(--border);
            }

            .site-header .navbar-nav {
                gap: 2px;
                margin-bottom: 12px !important;
            }

            .site-header .nav-link {
                padding: 10px 16px !important;
                font-size: 15px;
            }

            .nav-actions {
                flex-direction: column;
                width: 100%;
            }

            .nav-search {
                width: 100%;
            }

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

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

            .category-hero .hero-meta {
                gap: 12px;
                flex-direction: column;
            }

            .stats-wrap {
                margin-top: -32px;
                padding: 24px 0;
            }

            .stats-wrap .stat-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding: 12px;
            }

            .stats-wrap .stat-item:last-child {
                border-bottom: none;
            }

            .stats-wrap .stat-num {
                font-size: 26px;
            }

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

            .fan-row {
                padding: 12px;
            }

            .quote-section {
                padding: 32px 24px;
            }

            .quote-section .quote-text {
                font-size: 16px;
            }

            .rank-card {
                flex-wrap: wrap;
            }

            .rank-score {
                min-width: 52px;
                padding: 6px 12px;
            }

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

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

            .site-footer {
                padding: 48px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .category-hero .hero-title {
                font-size: 26px;
            }

            .category-hero .hero-badge {
                font-size: 12px;
                padding: 4px 12px;
            }

            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .news-card .card-body {
                padding: 18px 16px 14px;
            }

            .news-card .card-footer {
                padding: 12px 16px;
            }

            .loop-card {
                padding: 20px 16px;
            }

            .loop-card .match-teams .team {
                font-size: 15px;
            }

            .faq-item summary {
                padding: 16px;
                font-size: 15px;
                gap: 10px;
            }

            .faq-item .faq-body {
                padding: 0 16px 16px 16px;
            }

            .faq-item .faq-icon {
                display: none;
            }

            .cta-section {
                padding: 30px 20px;
            }

            .cta-section h2 {
                font-size: 20px;
            }

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

            .btn-light,
            .btn-accent {
                padding: 9px 26px;
                font-size: 14px;
            }

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

/* roulang page: article */
:root {
            --primary: #0f2b46;
            --primary-light: #1d4d7a;
            --primary-lighter: #2b6ba8;
            --accent: #c9a35a;
            --accent-light: #dbbf82;
            --accent-dark: #a8863f;
            --dark: #0b1b2b;
            --light: #f6f8fb;
            --white: #ffffff;
            --text: #2d3a45;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-lg: 22px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(15, 43, 70, .05);
            --shadow: 0 6px 28px rgba(15, 43, 70, .09);
            --shadow-lg: 0 14px 48px rgba(15, 43, 70, .13);
            --transition: all .28s cubic-bezier(.4, 0, .2, 1);
        }

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--light);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .text-muted {
            color: var(--text-muted) !important;
        }

        .btn {
            border-radius: 10px;
            font-weight: 600;
            padding: 10px 24px;
            transition: var(--transition);
            font-size: 0.95rem;
            border: 2px solid transparent;
        }
        .btn:focus,
        .btn-cta:focus {
            box-shadow: 0 0 0 4px rgba(201, 163, 90, .22);
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 43, 70, .25);
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: #12202e;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 163, 90, .3);
            color: #12202e;
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, .55);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(201, 163, 90, .14);
            color: var(--accent-dark);
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: .05em;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--primary);
            margin: 18px 0 12px;
            letter-spacing: -.01em;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .site-header {
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(15, 43, 70, .05);
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0;
            margin: 0;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-size: 1.35rem;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(15, 43, 70, .28);
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .01em;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: .08em;
        }

        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--text);
            padding: 10px 18px;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(15, 43, 70, .05);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(15, 43, 70, .08);
            font-weight: 700;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search i {
            position: absolute;
            left: 14px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .nav-search input {
            border: 1px solid var(--border);
            background: var(--light);
            border-radius: 40px;
            padding: 9px 18px 9px 38px;
            font-size: 0.9rem;
            width: 190px;
            outline: none;
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(201, 163, 90, .15);
            width: 220px;
        }
        .nav-cta {
            border-radius: 40px;
            padding: 9px 24px;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--primary);
            font-size: 1.4rem;
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(15, 43, 70, .12);
        }

        .article-hero {
            background:
                linear-gradient(135deg, rgba(11, 27, 43, .93) 0%, rgba(15, 43, 70, .82) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 76px 0 68px;
            color: #fff;
            position: relative;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(201, 163, 90, .6), transparent);
        }
        .article-breadcrumb {
            margin-bottom: 24px;
        }
        .article-breadcrumb .breadcrumb {
            margin: 0;
            font-size: 0.85rem;
        }
        .article-breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, .68);
        }
        .article-breadcrumb .breadcrumb-item a:hover {
            color: #fff;
        }
        .article-breadcrumb .breadcrumb-item::before {
            color: rgba(255, 255, 255, .4);
        }
        .article-breadcrumb .breadcrumb-item.active {
            color: rgba(255, 255, 255, .8);
        }
        .article-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 163, 90, .22);
            border: 1px solid rgba(201, 163, 90, .45);
            color: #f0dcb4;
            font-weight: 700;
            font-size: 0.82rem;
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 22px;
            letter-spacing: .03em;
        }
        .article-hero h1 {
            font-size: clamp(1.7rem, 4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 20px;
            max-width: 880px;
            letter-spacing: -.01em;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, .68);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            color: var(--accent-light);
        }

        .article-main-section {
            padding: 64px 0 72px;
            background: var(--light);
        }
        .article-content-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 44px 48px;
            margin-bottom: 40px;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 36px 0 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .article-body h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 42px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 28px 0 12px;
        }
        .article-body p {
            font-size: 1.03rem;
            line-height: 1.85;
            margin-bottom: 18px;
            color: #33404e;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px;
            padding-left: 1.4rem;
            line-height: 1.85;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin: 20px 0;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--light);
            padding: 18px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text);
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent-dark);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            border-radius: var(--radius);
            overflow: hidden;
        }
        .article-body table th,
        .article-body table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-body table th {
            background: var(--light);
            font-weight: 700;
        }
        .article-body code {
            background: var(--light);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
        }
        .article-not-found {
            text-align: center;
            padding: 70px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border);
            box-shadow: var(--shadow-sm);
        }
        .article-not-found i {
            font-size: 3.2rem;
            color: var(--border);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 26px;
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .sidebar-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-title i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .sidebar-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-info-list li {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .sidebar-info-list li:last-child {
            border-bottom: none;
        }
        .sidebar-info-list li strong {
            color: var(--text);
            font-weight: 600;
        }
        .sidebar-login-box {
            background: linear-gradient(135deg, rgba(201, 163, 90, .1), rgba(201, 163, 90, .04));
            border-radius: var(--radius-sm);
            padding: 18px;
            margin-bottom: 16px;
        }
        .sidebar-login-box p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--text);
            margin-bottom: 14px;
        }
        .sidebar-login-box .btn {
            width: 100%;
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 8px 0;
            font-size: 0.92rem;
        }
        .sidebar-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }
        .sidebar-list li a:hover {
            color: var(--accent-dark);
            padding-left: 4px;
        }
        .sidebar-list li a::before {
            content: '›';
            color: var(--accent);
            font-weight: 700;
        }

        .stats-section {
            background: var(--primary);
            padding: 64px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 15% 80%, rgba(201, 163, 90, .12), transparent 40%),
                radial-gradient(circle at 85% 20%, rgba(43, 107, 168, .25), transparent 45%);
        }
        .stats-section .container {
            position: relative;
            z-index: 1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 30px 16px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
            border-color: rgba(201, 163, 90, .4);
        }
        .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, .75);
        }

        .feature-section {
            background: var(--white);
            padding: 80px 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 30px;
            box-shadow: var(--shadow-sm);
            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), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-6px);
        }
        .feature-icon {
            width: 58px;
            height: 58px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 20px;
            box-shadow: 0 6px 18px rgba(15, 43, 70, .2);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        .faq-section {
            background: var(--light);
            padding: 80px 0;
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 14px;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            background: #fff;
            border: none;
            outline: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(201, 163, 90, .07);
            color: var(--primary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(201, 163, 90, .15);
            border-radius: var(--radius);
        }
        .accordion-custom .accordion-button::after {
            background-size: 1rem;
        }
        .accordion-custom .accordion-body {
            padding: 0 22px 20px;
            font-size: 0.94rem;
            color: var(--text);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .cta-section {
            padding: 80px 0;
            background:
                linear-gradient(135deg, rgba(11, 27, 43, .92), rgba(15, 43, 70, .86)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-box {
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(1.7rem, 3.4vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .76);
            margin-bottom: 32px;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .related-section {
            background: var(--white);
            padding: 80px 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .related-card-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.05);
        }
        .related-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 43, 70, .15), transparent 50%);
        }
        .related-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .related-card-body h3 a {
            color: inherit;
        }
        .related-card-body h3 a:hover {
            color: var(--accent-dark);
        }
        .related-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .related-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-about {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .62);
            margin-bottom: 0;
            max-width: 360px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 991.98px) {
            .nav-actions {
                margin-top: 16px;
                padding-top: 16px;
                border-top: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .nav-search input,
            .nav-search input:focus {
                width: 100%;
            }
            .nav-cta {
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
            .article-content-wrap {
                padding: 32px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 56px 0;
            }
            .article-hero {
                padding: 52px 0 48px;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-main-section {
                padding: 40px 0 56px;
            }
            .article-content-wrap {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-num {
                font-size: 1.9rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-btns .btn {
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .brand-text strong {
                font-size: 0.95rem;
            }
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .sidebar-card {
                padding: 20px;
            }
        }