/* roulang page: index */
:root{
  --primary:#0f3468;
  --primary-light:#1a4a8a;
  --primary-dark:#0a2548;
  --accent:#f0a500;
  --accent-dark:#d18f00;
  --accent-soft:#fff6e0;
  --body-bg:#ffffff;
  --section-bg:#f5f8fc;
  --dark-section:#0b1f3a;
  --text-main:#1e2a3a;
  --text-muted:#5b6b7f;
  --text-light:#9db0c5;
  --border-color:#e3e9f2;
  --white:#ffffff;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 4px 18px rgba(15,52,104,.06);
  --shadow-md:0 10px 36px rgba(15,52,104,.10);
  --shadow-lg:0 20px 55px rgba(15,52,104,.16);
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--text-main);background:var(--body-bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-main)}
p{color:var(--text-muted)}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
.section-padding{padding:90px 0}
.section-title{font-size:2.3rem;font-weight:800;margin-bottom:12px;letter-spacing:-.5px}
.section-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:640px;margin:0 auto 42px}
.text-gradient{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{border-radius:50px;padding:.72rem 1.7rem;font-weight:600;letter-spacing:.3px;transition:var(--transition)}
.btn-primary{background:var(--primary);border:1px solid var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,52,104,.28)}
.btn-accent{background:var(--accent);border:1px solid var(--accent);color:#0a2548}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,165,0,.3)}
.btn-outline-light{border:1px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline-light:hover{background:#fff;color:var(--primary-dark);border-color:#fff}
.btn-outline-primary{border:1px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-primary:hover{background:var(--primary);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-color);transition:box-shadow .3s}
.site-header .navbar{padding:.8rem 0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:1.25rem;margin-right:10px;box-shadow:0 6px 16px rgba(15,52,104,.3)}
.brand-text{font-size:1.28rem;font-weight:800;color:var(--primary);letter-spacing:.3px}
.navbar-nav .nav-link{font-weight:600;color:var(--text-main);padding:.55rem 1.1rem;border-radius:50px;margin:0 3px;font-size:.98rem}
.navbar-nav .nav-link:hover{color:var(--primary);background:var(--section-bg)}
.navbar-nav .nav-link.active{color:var(--primary);background:var(--accent-soft)}
.btn-nav{background:var(--accent);color:var(--primary-dark);border-radius:50px;padding:.5rem 1.35rem;font-weight:600;font-size:.95rem}
.btn-nav:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,52,104,.25)}
.navbar-toggler{border:none;font-size:1.1rem}
.navbar-toggler:focus{box-shadow:none}

/* Hero */
.hero{position:relative;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden;padding:140px 0 120px}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,37,72,.92) 0%,rgba(15,52,104,.78) 45%,rgba(240,165,0,.25) 100%)}
.hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(240,165,0,.15);filter:blur(80px);top:-100px;right:-80px}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;padding:.4rem 1.2rem;border-radius:50px;font-size:.88rem;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero-badge i{color:var(--accent)}
.hero-title{font-size:3.1rem;font-weight:800;color:#fff;line-height:1.25;letter-spacing:-1px;margin-bottom:20px}
.hero-title .highlight{color:var(--accent)}
.hero-desc{font-size:1.12rem;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:36px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:42px;margin-top:60px;padding-top:32px;border-top:1px solid rgba(255,255,255,.18)}
.hero-stats .stat-num{font-size:1.6rem;font-weight:800;color:#fff}
.hero-stats .stat-label{font-size:.92rem;color:rgba(255,255,255,.72)}

/* Feature Cards */
.feature-card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:38px 30px;height:100%;transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-card:hover::before{opacity:1}
.f-icon{width:64px;height:64px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff;margin-bottom:22px;background:linear-gradient(135deg,var(--primary),var(--primary-light));box-shadow:0 8px 22px rgba(15,52,104,.2)}
.feature-card h3{font-size:1.22rem;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:.95rem;line-height:1.7}
.f-icon.f-accent{background:linear-gradient(135deg,var(--accent),var(--accent-dark));box-shadow:0 8px 22px rgba(240,165,0,.25)}
.f-icon.f-cyan{background:linear-gradient(135deg,#0891b2,#06b6d4);box-shadow:0 8px 22px rgba(6,182,212,.22)}

/* Category Entry */
.category-entry{background:var(--section-bg);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition)}
.category-entry:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.category-entry img{width:100%;height:280px;object-fit:cover}
.category-entry .entry-body{padding:34px}
.category-entry .entry-label{display:inline-block;font-size:.82rem;font-weight:600;color:var(--accent-dark);background:var(--accent-soft);border-radius:30px;padding:.25rem 1rem;margin-bottom:14px}
.category-entry h3{font-size:1.4rem;font-weight:800;margin-bottom:10px}
.category-entry p{font-size:.95rem;margin-bottom:20px}
.entry-list{list-style:none;padding:0;margin:0 0 22px}
.entry-list li{padding:7px 0;font-size:.95rem;color:var(--text-main);display:flex;align-items:center;gap:10px}
.entry-list li i{color:var(--accent);font-size:.85rem}

/* News List */
.news-section{background:var(--section-bg)}
.news-list{max-width:880px;margin:0 auto}
.news-item{display:flex;gap:22px;background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px 28px;transition:var(--transition);margin-bottom:16px}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateX(6px);border-color:transparent}
.news-item .news-num{flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--accent-soft);color:var(--primary);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:1rem}
.news-item h4{font-size:1.08rem;font-weight:700;margin-bottom:6px}
.news-item h4 a:hover{color:var(--primary)}
.news-item p{font-size:.9rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:18px;font-size:.82rem;color:var(--text-light)}
.news-meta span i{margin-right:5px}

/* Stats */
.stats-area{background:linear-gradient(135deg,var(--dark-section),var(--primary));border-radius:var(--radius-lg);padding:60px 40px;position:relative;overflow:hidden}
.stats-area::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(240,165,0,.15);filter:blur(60px);bottom:-80px;left:10%}
.stats-grid{position:relative;z-index:2}
.stat-block{text-align:center;padding:12px}
.stat-number{font-size:2.4rem;font-weight:800;color:#fff;line-height:1.2}
.stat-number span{color:var(--accent)}
.stat-label{color:rgba(255,255,255,.72);font-size:.95rem;margin-top:4px}

/* Process */
.process-step{text-align:center;position:relative;padding:0 15px}
.process-step .step-num{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:1.3rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 10px 26px rgba(15,52,104,.3);position:relative;z-index:2}
.process-step .step-title{font-size:1.08rem;font-weight:700;margin-bottom:8px}
.process-step p{font-size:.9rem;padding:0 8px}
.process-step::after{content:"";position:absolute;top:30px;left:55%;width:70%;height:2px;background:linear-gradient(90deg,var(--accent),var(--primary));opacity:.35;z-index:1}
.process-step:last-child::after{display:none}

/* FAQ */
.accordion-item{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-md)!important;margin-bottom:14px;overflow:hidden}
.accordion-button{font-weight:700;color:var(--text-main);font-size:1rem;padding:1.1rem 1.4rem;background:var(--white)}
.accordion-button:not(.collapsed){background:var(--accent-soft);color:var(--primary);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:var(--border-color)}
.accordion-body{color:var(--text-muted);font-size:.94rem;line-height:1.8;padding:0 1.4rem 1.2rem}

/* CTA */
.cta-area{position:relative;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:100px 0;text-align:center}
.cta-area::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,37,72,.94),rgba(15,52,104,.7),rgba(240,165,0,.25))}
.cta-area .container{position:relative;z-index:2}
.cta-title{font-size:2.3rem;font-weight:800;color:#fff;margin-bottom:16px}
.cta-desc{font-size:1.05rem;color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 32px}

/* Footer */
.site-footer{background:var(--dark-section);color:#cbd5e1;padding:70px 0 0}
.site-footer .footer-brand .footer-logo{font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{color:#8fa3b8;font-size:.92rem;line-height:1.8}
.footer-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border-radius:30px;padding:.28rem 1rem;font-size:.82rem;color:#cbd5e1;margin-bottom:14px}
.footer-tag i{color:var(--accent)}
.footer-title{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent);border-radius:4px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#8fa3b8;font-size:.92rem}
.footer-links a:hover{color:var(--accent);padding-left:6px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:.92rem;color:#8fa3b8}
.footer-contact li i{color:var(--accent);margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding:22px 0;text-align:center;font-size:.86rem;color:#7b8ea3}
.footer-bottom a{color:#cbd5e1}

@media(max-width:1024px){
  .section-padding{padding:70px 0}
  .hero{padding:110px 0 90px}
  .hero-title{font-size:2.5rem}
  .section-title{font-size:1.9rem}
  .stats-area{padding:45px 24px}
}
@media(max-width:768px){
  .navbar-collapse{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow-md);margin-top:12px;border:1px solid var(--border-color)}
  .navbar-nav .nav-link{padding:.55rem 1rem}
  .hero{padding:90px 0 70px}
  .hero-title{font-size:2rem}
  .hero-desc{font-size:.98rem}
  .hero-stats{flex-wrap:wrap;gap:24px;margin-top:40px}
  .process-step::after{display:none}
  .process-step{margin-bottom:28px}
  .news-item{flex-direction:column;padding:20px}
  .cta-title{font-size:1.7rem}
}
@media(max-width:520px){
  .container-custom{padding:0 16px}
  .section-padding{padding:55px 0}
  .hero-title{font-size:1.6rem}
  .hero-desc{font-size:.88rem}
  .hero-btns .btn{padding:.6rem 1.2rem;font-size:.9rem}
  .hero-stats{flex-direction:column;gap:16px}
  .section-title{font-size:1.55rem}
  .feature-card{padding:28px 20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-number{font-size:1.8rem}
}

:root{
  --primary:#0f3468;
  --primary-light:#1a4a8a;
  --primary-dark:#0a2548;
  --accent:#f0a500;
  --accent-dark:#d18f00;
  --accent-soft:#fff6e0;
  --body-bg:#ffffff;
  --section-bg:#f5f8fc;
  --dark-section:#0b1f3a;
  --text-main:#1e2a3a;
  --text-muted:#5b6b7f;
  --text-light:#9db0c5;
  --border-color:#e3e9f2;
  --white:#ffffff;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 4px 18px rgba(15,52,104,.06);
  --shadow-md:0 10px 36px rgba(15,52,104,.10);
  --shadow-lg:0 20px 55px rgba(15,52,104,.16);
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--text-main);background:var(--body-bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-main)}
p{color:var(--text-muted)}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
.section-padding{padding:90px 0}
.btn{border-radius:50px;padding:.72rem 1.7rem;font-weight:600;letter-spacing:.3px;transition:var(--transition)}
.btn-primary{background:var(--primary);border:1px solid var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,52,104,.28)}
.btn-accent{background:var(--accent);border:1px solid var(--accent);color:#0a2548}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,165,0,.3)}
.btn-outline-primary{border:1px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-primary:hover{background:var(--primary);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-color)}
.site-header .navbar{padding:.8rem 0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:1.25rem;margin-right:10px;box-shadow:0 6px 16px rgba(15,52,104,.3)}
.brand-text{font-size:1.28rem;font-weight:800;color:var(--primary);letter-spacing:.3px}
.navbar-nav .nav-link{font-weight:600;color:var(--text-main);padding:.55rem 1.1rem;border-radius:50px;margin:0 3px;font-size:.98rem}
.navbar-nav .nav-link:hover{color:var(--primary);background:var(--section-bg)}
.navbar-nav .nav-link.active{color:var(--primary);background:var(--accent-soft)}
.btn-nav{background:var(--accent);color:var(--primary-dark);border-radius:50px;padding:.5rem 1.35rem;font-weight:600;font-size:.95rem}
.btn-nav:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,52,104,.25)}
.navbar-toggler{border:none;font-size:1.1rem}
.navbar-toggler:focus{box-shadow:none}

/* Page Hero */
.page-hero{position:relative;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:90px 0 70px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,37,72,.92),rgba(15,52,104,.72))}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:12px}
.page-hero .breadcrumb{background:transparent;margin-bottom:14px;padding:0}
.page-hero .breadcrumb-item,.page-hero .breadcrumb-item a{color:rgba(255,255,255,.75);font-size:.92rem}
.page-hero .breadcrumb-item.active{color:var(--accent)}
.page-hero .hero-meta{display:flex;gap:22px;color:rgba(255,255,255,.72);font-size:.9rem;margin-top:14px;flex-wrap:wrap}
.page-hero .hero-meta i{margin-right:6px}

/* Article Body */
.article-wrap{background:var(--section-bg)}
.article-main{max-width:860px}
.article-content{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow-sm)}
.article-content h2,.article-content h3{font-weight:700;margin:28px 0 14px;color:var(--primary)}
.article-content p{font-size:1rem;line-height:1.9;margin-bottom:18px}
.article-content ul,.article-content ol{padding-left:22px;margin-bottom:18px;color:var(--text-muted)}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius-md);margin:18px 0}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:8px;padding:16px 22px;margin:22px 0;color:var(--text-main)}
.article-callout{background:var(--section-bg);border-radius:var(--radius-md);padding:20px 24px;margin:26px 0;border:1px solid var(--border-color)}
.article-callout strong{color:var(--primary)}
.not-found-box{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:70px 30px;text-align:center;box-shadow:var(--shadow-sm)}
.not-found-box .nf-icon{width:72px;height:72px;border-radius:50%;background:var(--accent-soft);color:var(--accent-dark);display:inline-flex;align-items:center;justify-content:center;font-size:1.7rem;margin-bottom:20px}

/* Related */
.related-card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;transition:var(--transition);height:100%}
.related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.related-card h4{font-size:.98rem;font-weight:700;margin-bottom:8px}
.related-card p{font-size:.86rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .related-date{font-size:.8rem;color:var(--text-light)}

/* Footer */
.site-footer{background:var(--dark-section);color:#cbd5e1;padding:70px 0 0}
.site-footer .footer-brand .footer-logo{font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{color:#8fa3b8;font-size:.92rem;line-height:1.8}
.footer-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border-radius:30px;padding:.28rem 1rem;font-size:.82rem;color:#cbd5e1;margin-bottom:14px}
.footer-tag i{color:var(--accent)}
.footer-title{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent);border-radius:4px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#8fa3b8;font-size:.92rem}
.footer-links a:hover{color:var(--accent);padding-left:6px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:.92rem;color:#8fa3b8}
.footer-contact li i{color:var(--accent);margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding:22px 0;text-align:center;font-size:.86rem;color:#7b8ea3}

@media(max-width:1024px){
  .section-padding{padding:70px 0}
  .page-hero{padding:70px 0 55px}
  .page-hero h1{font-size:1.9rem}
}
@media(max-width:768px){
  .navbar-collapse{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow-md);margin-top:12px;border:1px solid var(--border-color)}
  .navbar-nav .nav-link{padding:.55rem 1rem}
  .article-content{padding:30px 22px}
  .page-hero h1{font-size:1.55rem}
  .article-content p{font-size:.94rem}
}
@media(max-width:520px){
  .container-custom{padding:0 16px}
  .section-padding{padding:55px 0}
  .article-content{padding:24px 16px}
  .page-hero .hero-meta{flex-direction:column;gap:6px}
}

:root{
  --primary:#0f3468;
  --primary-light:#1a4a8a;
  --primary-dark:#0a2548;
  --accent:#f0a500;
  --accent-dark:#d18f00;
  --accent-soft:#fff6e0;
  --body-bg:#ffffff;
  --section-bg:#f5f8fc;
  --dark-section:#0b1f3a;
  --text-main:#1e2a3a;
  --text-muted:#5b6b7f;
  --text-light:#9db0c5;
  --border-color:#e3e9f2;
  --white:#ffffff;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 4px 18px rgba(15,52,104,.06);
  --shadow-md:0 10px 36px rgba(15,52,104,.10);
  --shadow-lg:0 20px 55px rgba(15,52,104,.16);
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);color:var(--text-main);background:var(--body-bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--text-main)}
p{color:var(--text-muted)}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
.section-padding{padding:90px 0}
.section-title{font-size:2.3rem;font-weight:800;margin-bottom:12px;letter-spacing:-.5px}
.section-subtitle{font-size:1.05rem;color:var(--text-muted);max-width:640px;margin:0 auto 42px}
.text-gradient{background:linear-gradient(135deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{border-radius:50px;padding:.72rem 1.7rem;font-weight:600;letter-spacing:.3px;transition:var(--transition)}
.btn-primary{background:var(--primary);border:1px solid var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,52,104,.28)}
.btn-accent{background:var(--accent);border:1px solid var(--accent);color:#0a2548}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,165,0,.3)}
.btn-outline-primary{border:1px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-primary:hover{background:var(--primary);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-color)}
.site-header .navbar{padding:.8rem 0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:1.25rem;margin-right:10px;box-shadow:0 6px 16px rgba(15,52,104,.3)}
.brand-text{font-size:1.28rem;font-weight:800;color:var(--primary);letter-spacing:.3px}
.navbar-nav .nav-link{font-weight:600;color:var(--text-main);padding:.55rem 1.1rem;border-radius:50px;margin:0 3px;font-size:.98rem}
.navbar-nav .nav-link:hover{color:var(--primary);background:var(--section-bg)}
.navbar-nav .nav-link.active{color:var(--primary);background:var(--accent-soft)}
.btn-nav{background:var(--accent);color:var(--primary-dark);border-radius:50px;padding:.5rem 1.35rem;font-weight:600;font-size:.95rem}
.btn-nav:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,52,104,.25)}
.navbar-toggler{border:none;font-size:1.1rem}
.navbar-toggler:focus{box-shadow:none}

/* Category Hero */
.cat-hero{position:relative;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:110px 0 90px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,37,72,.94),rgba(15,52,104,.76),rgba(240,165,0,.18))}
.cat-hero::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(240,165,0,.18);filter:blur(70px);bottom:-80px;right:-60px}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;padding:.4rem 1.2rem;border-radius:50px;font-size:.88rem;margin-bottom:20px;backdrop-filter:blur(6px)}
.cat-hero-badge i{color:var(--accent)}
.cat-hero h1{font-size:2.6rem;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:-.5px}
.cat-hero h1 .highlight{color:var(--accent)}
.cat-hero p{font-size:1.1rem;color:rgba(255,255,255,.9);max-width:680px;margin-bottom:28px}
.cat-hero .hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.cat-hero .hero-tags span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:.3rem 1rem;border-radius:50px;font-size:.85rem}
.cat-hero .hero-tags span i{margin-right:5px;color:var(--accent)}

/* Guide Cards */
.guide-card{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);height:100%;position:relative}
.guide-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-8px);border-color:transparent}
.guide-card img{width:100%;height:190px;object-fit:cover}
.guide-card .guide-body{padding:26px}
.guide-card .guide-icon{position:absolute;top:150px;right:20px;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;box-shadow:0 10px 26px rgba(15,52,104,.28)}
.guide-card h3{font-size:1.16rem;font-weight:700;margin-bottom:10px}
.guide-card p{font-size:.93rem;line-height:1.75}
.guide-card .guide-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:.9rem;margin-top:14px}
.guide-card .guide-link:hover{color:var(--accent-dark)}

/* Steps */
.simple-step{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:30px 24px;height:100%;transition:var(--transition);position:relative}
.simple-step:hover{box-shadow:var(--shadow-md)}
.simple-step .step-num{font-size:1.7rem;font-weight:800;color:var(--accent);opacity:.4;position:absolute;top:14px;right:20px}
.simple-step h4{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.simple-step p{font-size:.9rem;margin-bottom:0}

/* Content List */
.cat-content-section{background:var(--section-bg)}
.cat-content-item{display:flex;gap:18px;align-items:flex-start;background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px 24px;transition:var(--transition);margin-bottom:14px}
.cat-content-item:hover{box-shadow:var(--shadow-md);border-color:transparent}
.cat-content-item .item-tag{flex-shrink:0;background:var(--accent-soft);color:var(--accent-dark);font-size:.78rem;font-weight:600;padding:.3rem .8rem;border-radius:30px}
.cat-content-item h4{font-size:1.03rem;font-weight:700;margin-bottom:4px}
.cat-content-item h4 a:hover{color:var(--primary)}
.cat-content-item p{font-size:.88rem;margin-bottom:0;color:var(--text-muted)}
.cat-content-item .item-date{font-size:.8rem;color:var(--text-light);margin-top:6px}

/* Notice */
.notice-box{background:var(--accent-soft);border:1px solid rgba(240,165,0,.25);border-radius:var(--radius-md);padding:22px 26px;display:flex;gap:16px;align-items:flex-start}
.notice-box i{color:var(--accent-dark);font-size:1.4rem;margin-top:4px}
.notice-box strong{color:var(--text-main)}
.notice-box p{margin-bottom:0;font-size:.92rem}

/* Footer */
.site-footer{background:var(--dark-section);color:#cbd5e1;padding:70px 0 0}
.site-footer .footer-brand .footer-logo{font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{color:#8fa3b8;font-size:.92rem;line-height:1.8}
.footer-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border-radius:30px;padding:.28rem 1rem;font-size:.82rem;color:#cbd5e1;margin-bottom:14px}
.footer-tag i{color:var(--accent)}
.footer-title{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent);border-radius:4px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#8fa3b8;font-size:.92rem}
.footer-links a:hover{color:var(--accent);padding-left:6px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:.92rem;color:#8fa3b8}
.footer-contact li i{color:var(--accent);margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding:22px 0;text-align:center;font-size:.86rem;color:#7b8ea3}

@media(max-width:1024px){
  .section-padding{padding:70px 0}
  .cat-hero{padding:90px 0 70px}
  .cat-hero h1{font-size:2.1rem}
  .section-title{font-size:1.9rem}
}
@media(max-width:768px){
  .navbar-collapse{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--shadow-md);margin-top:12px;border:1px solid var(--border-color)}
  .navbar-nav .nav-link{padding:.55rem 1rem}
  .cat-hero{padding:75px 0 55px}
  .cat-hero h1{font-size:1.7rem}
  .cat-hero p{font-size:.95rem}
  .guide-card .guide-icon{top:155px}
}
@media(max-width:520px){
  .container-custom{padding:0 16px}
  .section-padding{padding:55px 0}
  .cat-hero h1{font-size:1.4rem}
  .section-title{font-size:1.55rem}
  .cat-content-item{flex-direction:column;padding:18px}
  .notice-box{flex-direction:column}
}

/* roulang page: category1 */
:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4bd1;
  --primary-light: #8f82f0;
  --accent: #f5a742;
  --accent-light: #ffd18a;
  --dark: #191835;
  --dark-soft: #24214a;
  --bg: #f6f7fc;
  --white: #ffffff;
  --text: #1a1a2e;
  --text-weak: #6b7083;
  --border: #e6e8f2;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 15px 40px rgba(30, 29, 58, 0.08);
  --shadow-hover: 0 22px 55px rgba(108, 92, 231, 0.18);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: none;
}

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

button:focus,
a:focus,
input:focus,
textarea:focus {
  outline: 2px solid rgba(108, 92, 231, 0.5);
  outline-offset: 3px;
  box-shadow: none !important;
}

.container-custom {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(26, 26, 46, 0.04);
}

.navbar {
  padding: 14px 0;
}

.navbar-brand {
  gap: 10px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 120%);
  border-radius: 12px;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.32);
}

.brand-text {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.4px;
  color: var(--text);
  white-space: nowrap;
}

.nav-link {
  font-weight: 600;
  color: var(--text-weak) !important;
  padding: 8px 18px !important;
  border-radius: 10px;
  letter-spacing: 0.2px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary) !important;
  background: rgba(108, 92, 231, 0.08);
}

.nav-link.active {
  color: var(--primary) !important;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(245, 167, 66, 0.07));
  font-weight: 700;
}

.btn-nav {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  border: none;
  padding: 10px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 24px rgba(108, 92, 231, 0.32);
  transition: var(--transition);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(108, 92, 231, 0.44);
  color: #fff;
}

.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}

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

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,26,46,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991px) {
  .navbar-collapse {
    padding: 18px 0 10px;
  }
  .nav-link {
    padding: 12px 16px !important;
    border-radius: 12px;
  }
  .btn-nav {
    width: 100%;
    justify-content: center;
    margin-top: 14px;
  }
}

.page-hero {
  position: relative;
  padding: 120px 0 110px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  isolation: isolate;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(16, 14, 38, 0.88) 0%, rgba(40, 32, 82, 0.78) 55%, rgba(108, 92, 231, 0.45) 100%);
  z-index: -1;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(245, 167, 66, 0.22), transparent 70%);
  z-index: -1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(12px);
  margin-bottom: 22px;
}

.page-hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.page-hero .lead {
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
  line-height: 1.8;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-light-custom {
  background: #fff;
  color: var(--primary-dark);
  border: none;
  font-weight: 700;
  padding: 12px 30px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  transition: var(--transition);
}

.btn-light-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  color: var(--primary);
}

.btn-outline-light-custom {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.68);
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 14px;
  transition: var(--transition);
}

.btn-outline-light-custom:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  transform: translateY(-3px);
  border-color: #fff;
}

.section {
  padding: 100px 0;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 60px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  background: rgba(108, 92, 231, 0.09);
  padding: 8px 20px;
  border-radius: 100px;
  letter-spacing: 0.4px;
  margin-bottom: 18px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}

.section-head p {
  color: var(--text-weak);
  font-size: 16.5px;
  line-height: 1.85;
}

.about-image {
  border-radius: 24px;
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
}

.point-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--border);
}

.point-item:last-child {
  border-bottom: none;
}

.point-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(245, 167, 66, 0.1));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}

.point-item strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.point-item p {
  color: var(--text-weak);
  font-size: 15px;
  margin: 0;
  line-height: 1.7;
}

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

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

.fn-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.fn-thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
  background: linear-gradient(135deg, #f0ecff, #fff6e8);
}

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

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

.fn-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.fn-body {
  padding: 26px 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.fn-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(108, 92, 231, 0.28);
}

.fn-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.fn-body p {
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.8;
  margin-bottom: 18px;
  flex: 1;
}

.fn-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14.5px;
}

.fn-link:hover {
  color: var(--primary-dark);
  gap: 11px;
}

.flow-section {
  background: #f0f1fa;
}

.step-card {
  position: relative;
  height: 100%;
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 10px 24px rgba(108, 92, 231, 0.3);
}

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

.step-card p {
  color: var(--text-weak);
  font-size: 14.5px;
  line-height: 1.8;
  margin: 0;
}

.step-arrow {
  position: absolute;
  right: -22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-light);
  font-size: 20px;
  z-index: 2;
}

@media (max-width: 991px) {
  .step-arrow {
    display: none;
  }
}

.stats-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.35), transparent 70%);
}

.stats-section::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 167, 66, 0.22), transparent 70%);
}

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

.stats-card {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stats-card:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-6px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), #ffd18a);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 12px 28px rgba(245, 167, 66, 0.3);
}

.stat-number {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-number .unit {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-left: 2px;
}

.stat-label {
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  font-weight: 500;
}

.accordion {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  margin-bottom: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.accordion-button {
  padding: 22px 26px;
  font-weight: 700;
  font-size: 16.5px;
  color: var(--text);
  background: var(--white);
  border: none;
  transition: var(--transition);
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.07), rgba(245, 167, 66, 0.04));
  color: var(--primary);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236c5ce7'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
  padding: 0 26px 24px;
  color: var(--text-weak);
  font-size: 15px;
  line-height: 1.85;
}

.cta-section {
  padding: 70px 0 100px;
}

.cta-box {
  background:
    linear-gradient(120deg, rgba(108, 92, 231, 0.94), rgba(50, 40, 110, 0.92)),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  border-radius: 28px;
  padding: 64px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(30, 29, 58, 0.28);
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(245, 167, 66, 0.2);
}

.cta-box::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-box h2 {
  position: relative;
  z-index: 2;
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box p {
  position: relative;
  z-index: 2;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  max-width: 680px;
  margin: 0 auto 32px;
}

.cta-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--dark);
  border: none;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 36px;
  border-radius: 14px;
  box-shadow: 0 14px 34px rgba(245, 167, 66, 0.4);
  transition: var(--transition);
  margin: 0 8px 12px;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(245, 167, 66, 0.5);
  color: var(--dark);
}

.cta-btn-outline {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 36px;
  border-radius: 14px;
  transition: var(--transition);
  margin: 0 8px 12px;
}

.cta-btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-3px);
}

.site-footer {
  background: #14122a;
  color: rgba(255, 255, 255, 0.76);
  padding-top: 70px;
  font-size: 15px;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(108, 92, 231, 0.2);
  color: #b8adf8;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.4px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.56);
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 360px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.4px;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.62);
  transition: var(--transition);
  font-size: 14.5px;
}

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

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

.footer-contact li {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14.5px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--accent);
  width: 20px;
  text-align: center;
}

.footer-bottom {
  margin-top: 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13.5px;
  text-align: center;
}

@media (max-width: 1024px) {
  .page-hero h1 {
    font-size: 42px;
  }
  .section {
    padding: 80px 0;
  }
  .section-title {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 90px 0 80px;
  }
  .page-hero h1 {
    font-size: 34px;
  }
  .page-hero .lead {
    font-size: 16.5px;
  }
  .hero-actions .btn {
    width: 100%;
    margin-bottom: 8px;
  }
  .section {
    padding: 70px 0;
  }
  .section-head {
    margin-bottom: 44px;
  }
  .section-title {
    font-size: 28px;
  }
  .cta-box {
    padding: 44px 22px;
  }
  .cta-box h2 {
    font-size: 27px;
  }
  .stat-number {
    font-size: 38px;
  }
  .container-custom {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 520px) {
  .page-hero h1 {
    font-size: 29px;
  }
  .hero-badge {
    font-size: 13px;
    padding: 6px 14px;
  }
  .brand-text {
    font-size: 17px;
  }
  .section-tag {
    font-size: 13.5px;
  }
  .fn-body {
    padding: 22px 18px 24px;
  }
  .step-card {
    padding: 28px 20px;
  }
  .cta-btn,
  .cta-btn-outline {
    width: 100%;
    justify-content: center;
    margin-left: 0;
    margin-right: 0;
  }
}

/* roulang page: article */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #8b5cf6;
  --gold: #f59e0b;
  --bg-soft: #f6f7fb;
  --surface: #ffffff;
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --text: #475569;
  --text-light: #94a3b8;
  --border: #e8ecf3;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-xs: 0 2px 8px rgba(15,23,42,.05);
  --shadow-sm: 0 4px 16px rgba(15,23,42,.06);
  --shadow-md: 0 10px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 18px 44px rgba(15,23,42,.12);
  --transition: .3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: #fff;
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
.container-custom {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(15,23,42,.03);
}
.navbar { padding: 14px 0; }
.navbar-brand { gap: 12px; padding: 0; margin-right: 0; }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(99,102,241,.32);
}
.brand-text { font-size: 1.22rem; font-weight: 800; color: var(--dark); letter-spacing: .2px; }
.navbar-nav { gap: 6px; }
.navbar-nav .nav-link {
  padding: 9px 20px !important;
  font-size: .95rem;
  font-weight: 600;
  color: var(--dark-soft) !important;
  border-radius: 999px;
  transition: background .25s, color .25s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--primary) !important;
  background: rgba(99,102,241,.07);
  outline: none;
}
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
  background: rgba(99,102,241,.12);
}
.btn-nav {
  border-radius: 999px;
  padding: 10px 26px;
  font-weight: 700;
  font-size: .95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none;
  box-shadow: 0 6px 18px rgba(99,102,241,.3);
  transition: transform .25s, box-shadow .25s;
}
.btn-nav:hover, .btn-nav:focus {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(99,102,241,.38);
}
.navbar-toggler { border: none; padding: 8px; border-radius: 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(99,102,241,.2); }
.navbar-toggler-icon {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  position: relative;
  transition: background .3s;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: top .3s, transform .3s;
}
.navbar-toggler-icon::before { top: -7px; }
.navbar-toggler-icon::after { top: 7px; }

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  color: #fff;
  padding: 100px 0 120px;
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.article-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,23,42,.95) 0%, rgba(30,27,75,.82) 46%, rgba(79,70,229,.62) 100%);
}
.article-hero-inner { position: relative; z-index: 2; max-width: 980px; }
.article-hero-cat,
.article-hero-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  font-size: .85rem;
  font-weight: 600;
}
.article-hero h1 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 22px 0 16px;
  letter-spacing: .5px;
}
.article-summary {
  font-size: 1.06rem;
  line-height: 1.8;
  color: rgba(255,255,255,.9);
  max-width: 780px;
  margin-bottom: 0;
}

/* ========== Article Wrap ========== */
.article-wrap {
  position: relative;
  z-index: 5;
  margin-top: -70px;
  padding-bottom: 30px;
}
.article-content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 3.2rem);
  box-shadow: var(--shadow-lg);
}

/* ========== Article Content ========== */
.article-content {
  font-size: 1.03rem;
  line-height: 1.9;
  color: var(--text);
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--dark);
  font-weight: 800;
  margin-top: 2.2rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}
.article-content h1 { font-size: 1.8rem; }
.article-content h2 { font-size: 1.6rem; }
.article-content h3 { font-size: 1.3rem; }
.article-content h4 { font-size: 1.15rem; }
.article-content p { margin-bottom: 1.3rem; }
.article-content ul,
.article-content ol {
  margin: 0 0 1.3rem 1.2rem;
  padding-left: .5rem;
}
.article-content li { margin-bottom: .5rem; }
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 1rem 0;
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(99,102,241,.06);
  padding: 1.1rem 1.4rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.6rem 0;
  color: var(--dark-soft);
  font-style: italic;
}
.article-content a {
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border);
  padding: .75rem 1rem;
}
.article-content table th {
  background: var(--bg-soft);
  color: var(--dark);
  font-weight: 700;
}
.article-content code {
  background: rgba(99,102,241,.08);
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: .92em;
}
.article-bottom-info {
  border-top: 1px solid var(--border);
  padding-top: 1.6rem;
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(99,102,241,.08);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
}
.btn-back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text-light);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 20px;
  transition: all var(--transition);
}
.btn-back-home:hover {
  color: var(--primary);
  border-color: rgba(99,102,241,.4);
  background: rgba(99,102,241,.05);
}

/* ========== Article Not Found ========== */
.article-not-found {
  text-align: center;
  padding: 50px 20px;
}
.article-not-found .not-found-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(99,102,241,.12), rgba(139,92,246,.12));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 22px;
}
.article-not-found h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--text-light);
  margin-bottom: 26px;
}
.btn-primary-soft {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 30px;
  background: rgba(99,102,241,.1);
  color: var(--primary-dark);
  font-weight: 700;
  border: none;
  transition: all var(--transition);
}
.btn-primary-soft:hover,
.btn-primary-soft:focus {
  background: rgba(99,102,241,.18);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ========== Section Common ========== */
.section-block { padding: 88px 0; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-eyebrow {
  display: inline-block;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  padding: 6px 16px;
  background: rgba(99,102,241,.08);
  border-radius: 999px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  font-weight: 800;
  color: var(--dark);
  margin: 10px 0 14px;
  line-height: 1.35;
}
.section-desc {
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
}
.section-head.light .section-title { color: #fff; }
.section-head.light .section-desc { color: rgba(255,255,255,.8); }
.section-head.light .section-eyebrow {
  background: rgba(255,255,255,.14);
  color: #fff;
}

/* ========== Features ========== */
.features-section { background: var(--bg-soft); }
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  height: 100%;
  box-shadow: var(--shadow-xs);
  transition: transform .35s, box-shadow .35s, border-color .35s;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-img {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 22px;
}
.feature-img img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform .6s ease;
}
.feature-card:hover .feature-img img { transform: scale(1.06); }
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(139,92,246,.12));
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ========== Steps ========== */
.steps-section {
  background: url('/assets/images/backpic/back-3.png') center center / cover;
  position: relative;
  color: #fff;
}
.steps-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,23,42,.93) 0%, rgba(15,23,42,.88) 100%);
}
.steps-section .container-custom { position: relative; z-index: 2; }
.step-item {
  height: 100%;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  backdrop-filter: blur(10px);
  transition: background .3s, transform .3s, border-color .3s;
}
.step-item:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-4px);
}
.step-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: rgba(255,255,255,.35);
  display: block;
  margin-bottom: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.step-item h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #fff;
}
.step-item p {
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  line-height: 1.75;
  margin: 0;
}

/* ========== FAQ ========== */
.faq-wrap { max-width: 840px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff !important;
  box-shadow: var(--shadow-xs);
  transition: box-shadow .3s;
}
.accordion-item:hover { box-shadow: var(--shadow-sm); }
.accordion-button {
  padding: 20px 24px !important;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--dark) !important;
  background: transparent !important;
  box-shadow: none !important;
  transition: color .25s;
}
.accordion-button:not(.collapsed) { color: var(--primary) !important; }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(99,102,241,.16) !important; }
.accordion-button::after {
  background-size: 1rem;
  opacity: .6;
}
.accordion-button:not(.collapsed)::after { filter: hue-rotate(160deg); }
.accordion-body {
  padding: 0 24px 22px !important;
  color: var(--text-light);
  line-height: 1.85;
}

/* ========== CTA ========== */
.cta-section { padding: 30px 0 90px; }
.cta-card {
  border-radius: var(--radius-lg);
  padding: clamp(1.8rem, 5vw, 4rem);
  background: linear-gradient(120deg, #4f46e5, #7c3aed);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(79,70,229,.28);
}
.cta-card::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  top: -120px;
  right: -80px;
}
.cta-card::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  bottom: -80px;
  left: 30px;
}
.cta-card .row { position: relative; z-index: 2; }
.cta-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.cta-card h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.35;
}
.cta-card p {
  color: rgba(255,255,255,.88);
  max-width: 620px;
  margin-bottom: 14px;
  font-size: 1rem;
}
.btn-cta-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--primary-dark) !important;
  font-weight: 800;
  border: 2px solid #fff;
  border-radius: 999px;
  padding: 12px 30px;
  transition: all var(--transition);
}
.btn-cta-light:hover {
  background: transparent;
  color: #fff !important;
  transform: translateY(-2px);
}
.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255,255,255,.75);
  color: #fff !important;
  font-weight: 700;
  border-radius: 999px;
  padding: 12px 30px;
  transition: all var(--transition);
}
.btn-cta-outline:hover,
.btn-cta-outline:focus {
  background: rgba(255,255,255,.14);
  border-color: #fff;
  color: #fff !important;
  transform: translateY(-2px);
}

/* ========== Footer ========== */
.site-footer {
  background: #0d1526;
  color: #94a3b8;
  padding: 70px 0 0;
}
.footer-brand .footer-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(99,102,241,.14);
  color: #a5b4fc;
  font-size: .85rem;
  font-weight: 600;
}
.footer-logo {
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  margin: 16px 0 12px;
}
.footer-brand p {
  color: #9aa5bd;
  line-height: 1.85;
  margin: 0;
}
.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: #94a3b8; transition: color .3s, padding-left .3s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: #9aa5bd;
}
.footer-contact i { color: #818cf8; width: 18px; }
.footer-bottom {
  margin-top: 60px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  text-align: center;
  font-size: .9rem;
  color: #64748b;
}
.footer-bottom p { margin: 0; }

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
  }
  .navbar-nav { text-align: center; }
  .navbar-nav .nav-link { padding: 10px 18px !important; }
  .btn-nav {
    margin-top: 12px;
    width: 100%;
  }
  .section-block { padding: 70px 0; }
  .article-hero { padding: 80px 0 110px; }
}
@media (max-width: 767.98px) {
  body { font-size: 15px; }
  .brand-text { font-size: 1.1rem; }
  .article-hero h1 { font-size: 1.7rem; }
  .article-hero { padding: 70px 0 100px; }
  .article-wrap { margin-top: -50px; }
  .article-content-card { padding: 1.5rem 1.25rem; border-radius: 18px; }
  .section-block { padding: 60px 0; }
  .cta-card { padding: 2rem 1.5rem; }
  .cta-card .text-lg-end { text-align: left !important; }
  .cta-card .btn-cta-light,
  .cta-card .btn-cta-outline {
    width: 100%;
    margin-bottom: 10px;
    margin-left: 0 !important;
  }
  .footer-bottom { font-size: .8rem; }
}
@media (max-width: 520px) {
  .container-custom { padding-left: 16px; padding-right: 16px; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-hero-cat,
  .article-hero-time { font-size: .78rem; padding: 6px 14px; }
  .section-title { font-size: 1.5rem; }
  .feature-img img { height: 160px; }
  .article-content { font-size: 1rem; }
  .article-bottom-info { flex-direction: column; align-items: flex-start; }
}