/* roulang page: index */
:root{
  --primary:#0b2545;
  --primary-2:#13315c;
  --accent:#0ea5a4;
  --accent-soft:#d9f3f2;
  --highlight:#f59e0b;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#12233a;
  --muted:#64748b;
  --line:#e2e8f0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(2,12,27,.08);
  --shadow-lg:0 24px 48px rgba(2,12,27,.14);
  --space-section:90px;
  --max-width:1200px;
  --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:2px;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:2.1rem;line-height:1.3;font-weight:800;color:var(--primary);margin-bottom:16px}
.section-desc{color:var(--muted);font-size:1.05rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s ease;background:transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0c8d8c;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,165,164,.3)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{box-shadow:0 10px 24px rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-2);transform:translateY(-2px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.82rem;font-weight:600}
.badge--highlight{background:rgba(245,158,11,.15);color:#b45309}
.site-header{position:sticky;top:0;z-index:50;height:var(--header-height);background:rgba(8,28,52,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:1.35rem;font-weight:800;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .brand-mark{display:inline-flex;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--highlight));align-items:center;justify-content:center;color:#fff;font-weight:800}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;color:rgba(255,255,255,.72);font-weight:500;transition:color .25s ease}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-28px;height:3px;background:var(--accent);border-radius:999px}
.header-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:999px;font-weight:600;transition:all .25s ease}
.header-cta:hover{background:#0c8d8c;box-shadow:0 8px 20px rgba(14,165,164,.35)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .25s ease}
.hero{position:relative;padding:140px 0 120px;color:#fff;background:linear-gradient(135deg,rgba(4,16,35,.92),rgba(11,37,69,.78)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden}
.hero-content{max-width:850px;position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:.9rem;font-weight:500;margin-bottom:24px}
.hero h1{font-size:3.2rem;line-height:1.18;font-weight:800;margin-bottom:24px;letter-spacing:1px}
.hero p{font-size:1.15rem;color:rgba(255,255,255,.8);max-width:660px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:720px;margin-top:70px;padding-top:34px;border-top:1px solid rgba(255,255,255,.14)}
.stat-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:24px;text-align:center}
.stat-card strong{display:block;font-size:2rem;font-weight:800;margin-bottom:4px}
.stat-card span{font-size:.9rem;color:rgba(255,255,255,.75)}
.intro-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.intro-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.intro-card__icon{width:54px;height:54px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:20px}
.intro-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.intro-card p{color:var(--muted);font-size:.95rem}
.topic-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-auto-rows:minmax(240px,1fr);gap:24px}
.topic-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .3s ease,box-shadow .3s ease;min-height:240px}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.topic-card:hover img{transform:scale(1.06)}
.topic-card__overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(4,14,28,.9) 100%)}
.topic-card__content{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff}
.topic-card__content h3{font-size:1.4rem;font-weight:700;margin-bottom:8px}
.topic-card__content p{color:rgba(255,255,255,.8);font-size:.95rem;margin-bottom:16px}
.topic-card--large{grid-row:span 2;min-height:510px}
.topic-card--large .topic-card__content h3{font-size:1.8rem}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.article-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;height:100%}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.article-card__body{display:flex;flex-direction:column;flex:1;padding:26px}
.article-card h3{font-size:1.14rem;font-weight:700;line-height:1.5;margin-bottom:12px}
.article-card p{color:var(--muted);font-size:.93rem;margin-bottom:18px;flex:1}
.article-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px;font-size:.85rem;color:var(--muted)}
.article-card__link{display:flex;flex-direction:column;flex:1;color:inherit;height:100%}
.empty-tip{text-align:center;color:var(--muted);padding:50px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;counter-reset:step}
.step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px 30px;box-shadow:var(--shadow);transition:transform .3s}
.step-card:hover{transform:translateY(-4px)}
.step-card::before{counter-increment:step;content:"0" counter(step);position:absolute;top:28px;right:28px;font-size:3rem;line-height:1;font-weight:800;color:#eef4fb;z-index:1}
.step-card h3{font-size:1.2rem;margin-bottom:12px;position:relative;z-index:2}
.step-card p{color:var(--muted);font-size:.95rem;position:relative;z-index:2}
.highlight-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.highlight-card{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.highlight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.highlight-card i{font-size:1.5rem;color:var(--accent);margin-top:4px}
.highlight-card h3{font-size:1.08rem;margin-bottom:8px}
.highlight-card p{color:var(--muted);font-size:.93rem}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--accent)}
.faq-item summary{cursor:pointer;list-style:none;padding:22px 26px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.6rem;line-height:1;color:var(--accent);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 26px 24px;color:var(--muted)}
.cta-section{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;padding:80px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(14,165,164,.3);top:-80px;right:10%;filter:blur(60px)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:2rem;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.site-footer{background:#081c34;color:rgba(255,255,255,.7);padding:70px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand__logo{font-size:1.35rem;font-weight:800;color:#fff;display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;padding:22px 0 28px;color:rgba(255,255,255,.45);font-size:.85rem;flex-wrap:wrap}
@media (max-width:1024px){
  :root{--space-section:70px}
  .hero h1{font-size:2.6rem}
  .intro-grid{grid-template-columns:repeat(2,1fr)}
  .topic-grid{grid-template-columns:1fr 1fr}
  .topic-card--large{grid-row:auto;min-height:280px}
  .article-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .highlight-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:var(--header-height);left:0;right:0;background:rgba(8,28,52,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;gap:24px;padding:28px 24px;transform:translateX(105%);transition:transform .3s ease;box-shadow:0 20px 40px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link.active::after{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:100px 0 70px}
  .hero h1{font-size:2.1rem}
  .hero-stats{grid-template-columns:1fr;max-width:100%;margin-top:50px}
  .hero-actions .btn{width:100%;justify-content:center}
  .intro-grid{grid-template-columns:1fr 1fr}
  .topic-grid{grid-template-columns:1fr}
  .topic-card,.topic-card--large{min-height:260px}
  .article-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .highlight-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-title{font-size:1.6rem}
  .hero h1{font-size:1.7rem}
  .hero p{font-size:1rem}
  .intro-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

:root{
  --primary:#0b2545;
  --primary-2:#13315c;
  --accent:#0ea5a4;
  --accent-soft:#d9f3f2;
  --highlight:#f59e0b;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#12233a;
  --muted:#64748b;
  --line:#e2e8f0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(2,12,27,.08);
  --shadow-lg:0 24px 48px rgba(2,12,27,.14);
  --space-section:90px;
  --max-width:1200px;
  --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:2px;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:2.1rem;line-height:1.3;font-weight:800;color:var(--primary);margin-bottom:16px}
.section-desc{color:var(--muted);font-size:1.05rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s ease;background:transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0c8d8c;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,165,164,.3)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{box-shadow:0 10px 24px rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-2);transform:translateY(-2px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.82rem;font-weight:600}
.site-header{position:sticky;top:0;z-index:50;height:var(--header-height);background:rgba(8,28,52,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:1.35rem;font-weight:800;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .brand-mark{display:inline-flex;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--highlight));align-items:center;justify-content:center;color:#fff;font-weight:800}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;color:rgba(255,255,255,.72);font-weight:500;transition:color .25s ease}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-28px;height:3px;background:var(--accent);border-radius:999px}
.header-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:999px;font-weight:600;transition:all .25s ease}
.header-cta:hover{background:#0c8d8c;box-shadow:0 8px 20px rgba(14,165,164,.35)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .25s ease}
.article-hero{position:relative;padding:110px 0 80px;color:#fff;background:linear-gradient(135deg,rgba(4,16,35,.92),rgba(11,37,69,.78)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;text-align:center}
.article-hero h1{font-size:2.4rem;line-height:1.4;font-weight:800;max-width:860px;margin:20px auto 16px}
.article-hero__meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;color:rgba(255,255,255,.78);font-size:.95rem}
.article-hero__meta i{margin-right:6px;color:var(--accent)}
.article-layout{padding:60px 0 80px}
.article-main{max-width:860px;margin:0 auto}
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow);font-size:1.02rem;line-height:1.9}
.article-body h2{font-size:1.5rem;color:var(--primary);margin:32px 0 16px}
.article-body h3{font-size:1.2rem;color:var(--primary);margin:28px 0 12px}
.article-body p{margin-bottom:18px;color:#25364d}
.article-body ul{margin:0 0 18px 22px;color:#25364d}
.article-body img{border-radius:var(--radius-sm);margin:24px 0}
.article-notfound{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:60px 40px;text-align:center;box-shadow:var(--shadow)}
.article-notfound h2{font-size:1.8rem;color:var(--primary);margin-bottom:12px}
.article-notfound p{color:var(--muted);margin-bottom:24px}
.cta-section{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;padding:70px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(14,165,164,.3);top:-80px;right:10%;filter:blur(60px)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:1.9rem;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.8);margin-bottom:26px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.site-footer{background:#081c34;color:rgba(255,255,255,.7);padding:70px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand__logo{font-size:1.35rem;font-weight:800;color:#fff;display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;padding:22px 0 28px;color:rgba(255,255,255,.45);font-size:.85rem;flex-wrap:wrap}
@media (max-width:1024px){
  .article-hero h1{font-size:2rem}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:var(--header-height);left:0;right:0;background:rgba(8,28,52,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;gap:24px;padding:28px 24px;transform:translateX(105%);transition:transform .3s ease;box-shadow:0 20px 40px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link.active::after{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .article-hero{padding:80px 0 60px}
  .article-hero h1{font-size:1.6rem}
  .article-hero__meta{flex-direction:column;gap:8px}
  .article-body{padding:28px 22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .article-layout{padding:40px 0 60px}
  .article-hero h1{font-size:1.4rem}
  .article-body{padding:22px 18px}
}

:root{
  --primary:#0b2545;
  --primary-2:#13315c;
  --accent:#0ea5a4;
  --accent-soft:#d9f3f2;
  --highlight:#f59e0b;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#12233a;
  --muted:#64748b;
  --line:#e2e8f0;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 30px rgba(2,12,27,.08);
  --shadow-lg:0 24px 48px rgba(2,12,27,.14);
  --space-section:90px;
  --max-width:1200px;
  --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:var(--space-section) 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:2px;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:2.1rem;line-height:1.3;font-weight:800;color:var(--primary);margin-bottom:16px}
.section-desc{color:var(--muted);font-size:1.05rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s ease;background:transparent;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#0c8d8c;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,165,164,.3)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{box-shadow:0 10px 24px rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-2);transform:translateY(-2px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.82rem;font-weight:600}
.badge--highlight{background:rgba(245,158,11,.15);color:#b45309}
.tag-chip{display:inline-flex;align-items:center;padding:10px 20px;background:#fff;border:1px solid var(--line);border-radius:999px;font-size:.9rem;font-weight:500;box-shadow:var(--shadow);transition:all .25s ease}
.tag-chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.site-header{position:sticky;top:0;z-index:50;height:var(--header-height);background:rgba(8,28,52,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:1.35rem;font-weight:800;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}
.brand .brand-mark{display:inline-flex;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--highlight));align-items:center;justify-content:center;color:#fff;font-weight:800}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;color:rgba(255,255,255,.72);font-weight:500;transition:color .25s ease}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-28px;height:3px;background:var(--accent);border-radius:999px}
.header-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:999px;font-weight:600;transition:all .25s ease}
.header-cta:hover{background:#0c8d8c;box-shadow:0 8px 20px rgba(14,165,164,.35)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:all .25s ease}
.category-hero{position:relative;padding:110px 0 90px;color:#fff;background:linear-gradient(135deg,rgba(4,16,35,.92),rgba(11,37,69,.78)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;text-align:center}
.category-hero h1{font-size:2.6rem;font-weight:800;margin-bottom:18px}
.category-hero p{font-size:1.1rem;color:rgba(255,255,255,.82);max-width:720px;margin:0 auto 26px}
.category-hero .btn-light{margin-top:6px}
.breadcrumb{display:flex;justify-content:center;gap:8px;font-size:.9rem;color:rgba(255,255,255,.65);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.85)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.intro-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}
.intro-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.intro-card__icon{width:54px;height:54px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:20px}
.intro-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.intro-card p{color:var(--muted);font-size:.95rem}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:820px;margin:0 auto}
.topic-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .3s ease,box-shadow .3s ease;min-height:280px;display:block}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.topic-card:hover img{transform:scale(1.06)}
.topic-card__overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(4,14,28,.92) 100%)}
.topic-card__content{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff}
.topic-card__content h3{font-size:1.3rem;font-weight:700;margin-bottom:8px}
.topic-card__content p{color:rgba(255,255,255,.8);font-size:.95rem;margin-bottom:12px}
.topic-card__content .btn{margin-top:4px}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;counter-reset:step}
.step-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px 30px;box-shadow:var(--shadow);transition:transform .3s}
.step-card:hover{transform:translateY(-4px)}
.step-card::before{counter-increment:step;content:"0" counter(step);position:absolute;top:28px;right:28px;font-size:3rem;line-height:1;font-weight:800;color:#eef4fb;z-index:1}
.step-card h3{font-size:1.2rem;margin-bottom:12px;position:relative;z-index:2}
.step-card p{color:var(--muted);font-size:.95rem;position:relative;z-index:2}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--accent)}
.faq-item summary{cursor:pointer;list-style:none;padding:22px 26px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.6rem;line-height:1;color:var(--accent);transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 26px 24px;color:var(--muted)}
.cta-section{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;padding:80px 0;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(14,165,164,.3);top:-80px;right:10%;filter:blur(60px)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:2rem;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.site-footer{background:#081c34;color:rgba(255,255,255,.7);padding:70px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand__logo{font-size:1.35rem;font-weight:800;color:#fff;display:inline-flex;align-items:center;gap:8px;margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.62);padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;padding:22px 0 28px;color:rgba(255,255,255,.45);font-size:.85rem;flex-wrap:wrap}
@media (max-width:1024px){
  :root{--space-section:70px}
  .category-hero h1{font-size:2.2rem}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:var(--header-height);left:0;right:0;background:rgba(8,28,52,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;gap:24px;padding:28px 24px;transform:translateX(105%);transition:transform .3s ease;box-shadow:0 20px 40px rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.08)}
  .main-nav.open{transform:translateX(0)}
  .nav-link.active::after{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .category-hero{padding:80px 0 60px}
  .category-hero h1{font-size:1.8rem}
  .grid-3{grid-template-columns:1fr}
  .topic-card{min-height:240px}
  .process-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-title{font-size:1.6rem}
  .category-hero h1{font-size:1.5rem}
  .category-hero p{font-size:1rem}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root {
            --primary: #0f3a5f;
            --primary-dark: #0a2540;
            --primary-light: #1a5b8c;
            --accent: #f97316;
            --accent-dark: #ea580c;
            --accent-light: #fff3eb;
            --bg: #f6f9fc;
            --white: #ffffff;
            --text: #1e2a3a;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 2px 10px rgba(15, 58, 95, 0.06);
            --shadow: 0 10px 30px rgba(15, 58, 95, 0.10);
            --shadow-lg: 0 20px 45px rgba(15, 58, 95, 0.15);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        i.fa,
        i.fas,
        i.far {
            font-style: normal;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: var(--accent-light);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.3;
            letter-spacing: -1px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            margin-top: 14px;
        }

        /* ===== Header Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 2px 20px rgba(10, 37, 64, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(15, 58, 95, 0.3);
            flex-shrink: 0;
        }

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

        .nav-link {
            padding: 9px 20px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: #f1f5f9;
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(15, 58, 95, 0.25);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(249, 115, 22, 0.38);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            background: var(--bg);
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 90px 0 80px;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.94) 0%, rgba(15, 58, 95, 0.86) 50%, rgba(26, 91, 140, 0.78) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(246, 249, 252, 1) 0%, transparent 100%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

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

        .breadcrumb .sep {
            opacity: 0.5;
        }

        .page-hero__content {
            max-width: 720px;
        }

        .page-hero__content h1 {
            font-size: 46px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -1.5px;
            margin-bottom: 18px;
        }

        .page-hero__content h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .page-hero__content p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.32);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(249, 115, 22, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 34px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

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

        /* ===== Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-media img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .intro-media::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(10, 37, 64, 0.3), transparent);
        }

        .intro-content .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            background: var(--accent-light);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .intro-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .intro-content p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 16px;
        }

        .intro-list {
            list-style: none;
            margin: 20px 0 0;
            padding: 0;
        }

        .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

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

        .intro-list i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== Category Cards ===== */
        .category-section {
            background: var(--white);
        }

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

        .category-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(15, 58, 95, 0.15);
        }

        .category-card:hover::before {
            opacity: 1;
        }

        .category-card__icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(15, 58, 95, 0.1) 0%, rgba(26, 91, 140, 0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .category-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

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

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

        .category-card .card-link:hover {
            gap: 10px;
        }

        /* ===== Content List ===== */
        .content-section {
            background: var(--bg);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 58, 95, 0.12);
        }

        .content-card__media {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .content-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
        }

        .content-card__body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card__body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--primary-dark);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 52px;
        }

        .content-card__body h3 a {
            color: var(--primary-dark);
        }

        .content-card__body h3 a:hover {
            color: var(--accent);
        }

        .content-card__body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }

        .content-card__meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }

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

        /* ===== Stats / Process ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            color: #fff;
            padding: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-item .num {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }

        .stat-item .num .unit {
            font-size: 22px;
            font-weight: 600;
            color: var(--accent);
        }

        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
        }

        .process-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .process-title h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
        }

        .process-title p {
            color: rgba(255, 255, 255, 0.75);
            margin-top: 12px;
        }

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

        .process-step {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 32px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 44px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.18);
            line-height: 1;
            margin-bottom: 16px;
        }

        .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }

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

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

        .accordion.faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
            background: transparent;
            border: none;
        }

        .accordion.faq-list .accordion-item {
            margin-bottom: 16px;
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm);
            background: var(--white);
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion.faq-list .accordion-item:hover {
            border-color: rgba(15, 58, 95, 0.3) !important;
        }

        .accordion.faq-list .accordion-title {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--white);
            padding: 20px 24px;
            border: none !important;
            border-radius: var(--radius-sm);
        }

        .accordion.faq-list .accordion-title::before {
            content: "\f059";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

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

        .accordion.faq-list .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .accordion.faq-list .accordion-content {
            padding: 0 24px 22px 56px;
            background: var(--white);
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border: none !important;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box {
            text-align: center;
            position: relative;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 32px;
        }

        .cta-box .btn {
            font-size: 16px;
            padding: 16px 38px;
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0d2438;
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand__logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 340px;
        }

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

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 6px 0;
            transition: var(--transition);
        }

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

        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 4px 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

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

            .intro-grid {
                gap: 36px;
            }

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

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .site-header {
                position: sticky;
            }

            .header-inner {
                height: auto;
                min-height: 64px;
                flex-wrap: wrap;
                padding: 12px 20px;
            }

            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 14px 0 4px;
                background: var(--white);
                border-top: 1px solid var(--border);
            }

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

            .nav-link {
                padding: 12px 18px;
                border-radius: 10px;
                width: 100%;
                text-align: left;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .page-hero {
                padding: 60px 0 56px;
            }

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

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

            .intro-media img {
                height: 280px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .card-grid,
            .content-grid,
            .stats-grid,
            .process-steps {
                grid-template-columns: 1fr;
            }

            .page-hero__content h1 {
                font-size: 26px;
                line-height: 1.3;
            }

            .page-hero__content p {
                font-size: 15px;
            }

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

            .hero-actions .btn {
                justify-content: center;
            }

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

            .brand {
                font-size: 17px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

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

/* roulang page: article */
:root {
            --primary: #c9a86a;
            --primary-dark: #a8884a;
            --primary-light: #e9dcbe;
            --ink: #14213d;
            --ink-light: #3a4a63;
            --text: #2c2c2c;
            --text-light: #6b7280;
            --bg: #f8f7f4;
            --bg-deep: #14213d;
            --card: #ffffff;
            --border: #e8e4dc;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 6px 30px rgba(20, 33, 61, 0.07);
            --shadow-lg: 0 16px 48px rgba(20, 33, 61, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }

        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            width: 0;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            z-index: 9999;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.93);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(20, 33, 61, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.9rem;
            padding-bottom: 0.9rem;
            gap: 1rem;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .brand-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(168, 136, 74, 0.35);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s ease;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(168, 136, 74, 0.32);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(168, 136, 74, 0.4);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle:hover span {
            background: var(--primary-dark);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 5.5rem 0 4rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
        }

        .article-hero__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 33, 61, 0.9) 0%, rgba(20, 33, 61, 0.7) 55%, rgba(20, 33, 61, 0.45) 100%);
        }

        .article-hero__inner {
            position: relative;
            z-index: 1;
            max-width: 900px;
        }

        .article-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 0.4rem 1.1rem;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            color: #fff;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 1rem;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .article-hero__meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.88rem;
            opacity: 0.92;
        }

        .article-hero__meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-hero__meta i {
            opacity: 0.8;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 1.2rem;
        }

        .breadcrumb a {
            color: var(--primary-dark);
            font-weight: 500;
        }

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

        .breadcrumb__sep {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .breadcrumb__current {
            color: var(--text);
            font-weight: 600;
        }

        /* ===== Article Main Section ===== */
        .article-main-section {
            padding: 3.5rem 0;
        }

        .article-layout {
            align-items: flex-start;
        }

        .article-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2rem 2.5rem;
            border: 1px solid rgba(232, 228, 220, 0.7);
            margin-bottom: 2rem;
        }

        .article-card__header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1.2rem;
            border-bottom: 1px solid var(--border);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .badge--primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
        }

        .badge--outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-light);
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.85;
            color: #333;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 2em 0 0.7em;
            padding-bottom: 0.5em;
            border-bottom: 2px solid var(--border);
            color: var(--ink);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.6em 0 0.5em;
            color: var(--ink);
        }

        .article-content p {
            margin: 0 0 1.4em;
        }

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

        .article-content li {
            margin: 0.35em 0;
        }

        .article-content blockquote {
            margin: 1.5em 0;
            padding: 1em 1.4em;
            border-left: 4px solid var(--primary);
            background: #faf8f4;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--ink-light);
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }

        .article-content a {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

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

        .article-card__footer {
            margin-top: 1.8rem;
            padding-top: 1.2rem;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .article-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: #f4f2ee;
            border-radius: 6px;
            padding: 0.3rem 0.7rem;
            font-size: 0.82rem;
            color: var(--ink-light);
            font-weight: 500;
        }

        /* ===== Not Found ===== */
        .not-found-card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 4rem 2.5rem;
            text-align: center;
            border: 1px solid rgba(232, 228, 220, 0.7);
        }

        .not-found-card__icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
        }

        .not-found-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 0.8rem;
        }

        .not-found-card p {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 1.5rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn--primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(168, 136, 74, 0.3);
        }

        .btn--primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(168, 136, 74, 0.4);
            color: #fff;
        }

        .btn--ghost {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--ink);
        }

        .btn--ghost:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .btn--block {
            width: 100%;
        }

        .btn--light {
            background: #fff;
            color: var(--ink);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

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

        /* ===== Sidebar ===== */
        .sidebar__card {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            border: 1px solid rgba(232, 228, 220, 0.7);
            margin-bottom: 1.5rem;
        }

        .sidebar__card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar__card h3 i {
            color: var(--primary);
        }

        .sidebar__card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .sidebar__card--primary {
            background: linear-gradient(145deg, var(--ink) 0%, #233453 100%);
            border: none;
            color: #fff;
        }

        .sidebar__card--primary h3 {
            color: #fff;
        }

        .sidebar__card--primary h3 i {
            color: var(--primary);
        }

        .sidebar__card--primary p {
            color: rgba(255, 255, 255, 0.85);
        }

        .sidebar__link {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.7rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .sidebar__link:hover {
            border-color: var(--primary);
            background: #faf8f4;
        }

        .sidebar__link img {
            width: 56px;
            height: 44px;
            object-fit: cover;
            border-radius: 6px;
        }

        .sidebar__link span {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--ink);
        }

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

        .sidebar__list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.45rem 0;
            font-size: 0.9rem;
            color: var(--text);
            border-bottom: 1px dashed var(--border);
        }

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

        .sidebar__list li i {
            color: var(--primary);
            font-size: 0.85rem;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 4rem 0;
            background: var(--bg);
        }

        .section-header {
            margin-bottom: 2.2rem;
            max-width: 700px;
        }

        .section-header--center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-header__eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary-dark);
            margin-bottom: 0.4rem;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            background: rgba(201, 168, 106, 0.15);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ink);
            margin: 0.3rem 0 0.5rem;
            line-height: 1.25;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 0.98rem;
            line-height: 1.7;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(232, 228, 220, 0.7);
            transition: var(--transition);
            height: 100%;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 106, 0.4);
        }

        .related-card__image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e5e2da;
        }

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

        .related-card:hover .related-card__image img {
            transform: scale(1.06);
        }

        .related-card__badge {
            position: absolute;
            top: 0.9rem;
            left: 0.9rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.8rem;
            border-radius: 30px;
            box-shadow: 0 4px 12px rgba(168, 136, 74, 0.35);
        }

        .related-card__body {
            padding: 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card__body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.5rem;
        }

        .related-card__body p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 0.8rem;
        }

        .related-card__more {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: gap 0.3s ease;
        }

        .related-card:hover .related-card__more {
            gap: 0.7rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 4rem 0;
            background: var(--card);
        }

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

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

        .faq-item.active {
            border-color: rgba(201, 168, 106, 0.5);
            box-shadow: 0 4px 20px rgba(20, 33, 61, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1.2rem 1.5rem;
            background: transparent;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-dark);
        }

        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(201, 168, 106, 0.15);
            color: var(--primary-dark);
            font-size: 0.8rem;
            transition: all 0.4s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            padding: 0 1.5rem;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 4.5rem 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 33, 61, 0.92) 0%, rgba(20, 33, 61, 0.78) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.8rem;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand__logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer-brand__logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }

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

        .footer-col p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0.3rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2.2rem;
            }

            .article-card {
                padding: 1.8rem 1.8rem;
            }
        }

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

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.5rem;
                box-shadow: 0 12px 32px rgba(20, 33, 61, 0.16);
                border-top: 1px solid var(--border);
                border-radius: 0 0 var(--radius) var(--radius);
                gap: 0.8rem;
            }

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

            .header-cta {
                display: none;
            }

            .article-hero {
                padding: 4rem 0 3rem;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-main-section {
                padding: 2.5rem 0;
            }

            .article-card {
                padding: 1.4rem 1.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .related-card {
                margin-bottom: 1.5rem;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .cta-inner h2 {
                font-size: 1.6rem;
            }
        }

        @media screen and (max-width: 520px) {
            .brand {
                font-size: 1rem;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
                border-radius: 8px;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-hero__meta {
                flex-direction: column;
                gap: 0.4rem;
            }

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

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

            .cta-inner h2 {
                font-size: 1.4rem;
            }

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

        /* ===== Focus Accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(201, 168, 106, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible {
            outline: 3px solid rgba(201, 168, 106, 0.5);
            outline-offset: 2px;
        }