/* roulang page: index */
:root{
  --primary:#1B5E9E;
  --primary-dark:#154A7D;
  --primary-light:#2C7BBE;
  --accent:#E67E22;
  --accent-dark:#D96A15;
  --bg-soft:#E8F1F8;
  --bg-lighter:#F5F8FB;
  --title-color:#16222E;
  --text-color:#3D4F5F;
  --text-light:#7A8FA0;
  --text-sub:#A8B8C6;
  --border-color:#D9E2EA;
  --card-border:#E3EAF1;
  --white:#FFFFFF;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --shadow-sm:0 2px 8px rgba(22,34,46,.06);
  --shadow-md:0 8px 24px rgba(22,34,46,.10);
  --shadow-lg:0 16px 40px rgba(22,34,46,.14);
  --font-stack:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --transition:all .25s ease;
  --container-max:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);font-size:16px;line-height:1.8;color:var(--text-color);background:var(--white);-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(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container-max);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-alt{background:var(--bg-lighter)}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.section-head .eyebrow{display:inline-block;background:var(--bg-soft);color:var(--primary);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:30px;font-weight:700;color:var(--title-color);line-height:1.35;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--text-light);line-height:1.8}
.section-head .divider{width:48px;height:3px;background:var(--primary);border-radius:3px;margin:18px auto 0}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:var(--white);box-shadow:0 1px 4px rgba(22,34,46,.06);height:72px;display:flex;align-items:center}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{width:38px;height:38px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--white);box-shadow:0 4px 12px rgba(27,94,158,.25)}
.logo-text{font-size:22px;font-weight:700;color:var(--primary);letter-spacing:1px;line-height:1.2}
.logo-text small{display:block;font-size:11px;color:var(--text-light);font-weight:400;letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{position:relative;padding:8px 16px;font-size:15px;font-weight:500;color:var(--text-color);border-radius:var(--radius-sm);transition:var(--transition)}
.main-nav a:hover{color:var(--primary);background:var(--bg-lighter)}
.main-nav a.active{color:var(--primary);background:var(--bg-soft);font-weight:600}
.main-nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;background:var(--primary);border-radius:3px}
.header-actions{display:flex;align-items:center;gap:12px}
.header-search{position:relative}
.header-search input{width:200px;height:38px;border:1px solid var(--border-color);border-radius:999px;padding:0 38px 0 16px;font-size:14px;color:var(--title-color);background:var(--bg-lighter);transition:var(--transition);outline:none}
.header-search input:focus{border-color:var(--primary);background:var(--white);box-shadow:0 0 0 3px rgba(27,94,158,.12)}
.header-search i{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-sub);font-size:13px;pointer-events:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;border-radius:var(--radius-sm);transition:var(--transition);line-height:1.4}
.btn-primary{background:var(--primary);color:var(--white);padding:12px 28px;min-height:46px}
.btn-primary:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,94,158,.25)}
.btn-outline{background:var(--white);color:var(--primary);border:1px solid var(--primary);padding:11px 28px;min-height:46px}
.btn-outline:hover{background:var(--bg-soft);color:var(--primary-dark);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:var(--white);padding:12px 28px;min-height:46px}
.btn-accent:hover{background:var(--accent-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 20px rgba(230,126,34,.28)}
.btn-sm{padding:8px 20px;min-height:38px;font-size:14px}
.btn-header{background:var(--primary);color:var(--white);padding:9px 22px;min-height:38px;font-size:14px}
.btn-header:hover{background:var(--primary-dark);color:var(--white)}

/* Mobile nav toggle */
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--title-color);cursor:pointer;padding:6px}

/* Hero */
.hero{position:relative;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:96px 0 72px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.96) 0%,rgba(245,248,251,.92) 45%,rgba(232,241,248,.82) 100%)}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:60px}
.hero-content{flex:1 1 52%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(27,94,158,.1);color:var(--primary);font-size:13px;font-weight:600;padding:7px 18px;border-radius:999px;margin-bottom:20px;letter-spacing:.4px}
.hero-badge i{font-size:14px}
.hero h1{font-size:38px;font-weight:700;color:var(--title-color);line-height:1.3;margin-bottom:18px;letter-spacing:.5px}
.hero h1 span{color:var(--primary);position:relative}
.hero h1 span::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(27,94,158,.14);z-index:-1;border-radius:4px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-color);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{flex:1 1 48%;position:relative;min-height:420px}
.hero-img-main{position:absolute;top:10px;right:10px;width:72%;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:3px solid var(--white);z-index:2;overflow:hidden;aspect-ratio:4/3}
.hero-img-main img{width:100%;height:100%;object-fit:cover}
.hero-img-sub{position:absolute;bottom:0;left:0;width:46%;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:3px solid var(--white);z-index:3;overflow:hidden;aspect-ratio:1/1}
.hero-img-sub img{width:100%;height:100%;object-fit:cover}
.hero-float-card{position:absolute;z-index:4;background:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:14px 18px;display:flex;align-items:center;gap:12px;bottom:60px;right:6%;animation:floatY 3s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-float-card .icon{width:40px;height:40px;border-radius:10px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px}
.hero-float-card .txt strong{display:block;font-size:14px;color:var(--title-color);line-height:1.3}
.hero-float-card .txt span{font-size:12px;color:var(--text-light)}

/* Hero quick stats */
.hero-stats{position:relative;z-index:2;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-top:48px;padding:28px 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border:1px solid var(--card-border)}
.stat-item{text-align:center;position:relative}
.stat-item + .stat-item::before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:1px;background:var(--border-color)}
.stat-num{font-size:32px;font-weight:700;color:var(--primary);line-height:1.2}
.stat-label{font-size:13px;color:var(--text-light);margin-top:6px}

/* Countdown */
.countdown-bar{background:var(--bg-soft);border-bottom:1px solid var(--border-color);padding:16px 0}
.countdown-inner{display:flex;align-items:center;gap:24px;justify-content:center;flex-wrap:wrap}
.countdown-label{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--title-color)}
.pulse-dot{width:10px;height:10px;background:var(--accent);border-radius:50%;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.countdown-timer{display:flex;gap:8px;align-items:center}
.countdown-unit{background:var(--white);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:6px 14px;text-align:center;box-shadow:var(--shadow-sm)}
.countdown-unit strong{display:block;font-size:26px;font-weight:700;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.countdown-unit span{display:block;font-size:11px;color:var(--text-light)}
.countdown-sep{font-size:20px;font-weight:700;color:var(--text-sub)}

/* Feature cards */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:var(--white);border:1px solid var(--card-border);border-radius:var(--radius-md);padding:32px 28px;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-light);opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:50%;background:var(--bg-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:22px;transition:var(--transition)}
.feature-card:hover .feature-icon{background:var(--primary);color:var(--white)}
.feature-card h3{font-size:18px;font-weight:600;color:var(--title-color);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.8}
.feature-link{margin-top:16px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.feature-link i{transition:transform .3s}
.feature-card:hover .feature-link i{transform:translateX(4px)}

/* Image wall */
.wall-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-template-rows:repeat(2,200px);gap:16px}
.wall-item{position:relative;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.wall-item:hover img{transform:scale(1.05)}
.wall-item::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(22,34,46,.55),transparent 60%);opacity:0;transition:opacity .4s}
.wall-item:hover::after{opacity:1}
.wall-caption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;z-index:2;color:var(--white);font-size:14px;font-weight:500;opacity:0;transform:translateY(10px);transition:var(--transition)}
.wall-item:hover .wall-caption{opacity:1;transform:translateY(0)}
.wall-item-1{grid-column:span 3;grid-row:span 2}
.wall-item-2{grid-column:span 2}
.wall-item-3{grid-column:span 2}

/* CTA split */
.cta-split{background:var(--bg-soft);position:relative;overflow:hidden}
.cta-split::before{content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;background:rgba(27,94,158,.06);border-radius:50%}
.cta-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center;position:relative;z-index:2}
.cta-copy h2{font-size:28px;font-weight:700;color:var(--title-color);margin-bottom:16px;line-height:1.4}
.cta-copy h2 span{color:var(--primary)}
.cta-copy p{font-size:15px;color:var(--text-light);line-height:1.85;margin-bottom:20px}
.cta-copy-list li{display:flex;align-items:flex-start;gap:10px;padding:6px 0;font-size:14px;color:var(--text-color)}
.cta-copy-list li i{color:var(--primary);margin-top:4px;font-size:14px;flex-shrink:0}
.cta-form-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:36px;border:1px solid var(--card-border)}
.cta-form-card .form-title{font-size:20px;font-weight:700;color:var(--title-color);margin-bottom:6px}
.cta-form-card .form-sub{font-size:13px;color:var(--text-light);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:13px;font-weight:600;color:var(--text-color)}
.form-group input,.form-group textarea{border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;color:var(--title-color);background:var(--bg-lighter);transition:var(--transition);outline:none;width:100%}
.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);background:var(--white);box-shadow:0 0 0 3px rgba(27,94,158,.15)}
.form-group textarea{min-height:80px;resize:vertical}
.form-submit{width:100%;margin-top:20px}

/* News list */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:30px}
.news-card-main{background:var(--white);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column}
.news-card-main:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.news-card-main .card-img{overflow:hidden;aspect-ratio:16/9}
.news-card-main .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card-main:hover .card-img img{transform:scale(1.03)}
.news-card-main .card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-card-main h3{font-size:18px;font-weight:600;color:var(--title-color);margin:12px 0 10px;line-height:1.5;transition:var(--transition)}
.news-card-main:hover h3{color:var(--primary)}
.news-card-main .card-desc{font-size:14px;color:var(--text-light);line-height:1.75;flex:1}
.news-card-main .card-meta{display:flex;gap:16px;margin-top:16px;font-size:13px;color:var(--text-light)}
.news-stack{display:flex;flex-direction:column;gap:30px}
.news-card-sm{background:var(--white);border:1px solid var(--card-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column;flex:1}
.news-card-sm:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.news-card-sm .card-img{overflow:hidden;aspect-ratio:16/7}
.news-card-sm .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card-sm:hover .card-img img{transform:scale(1.03)}
.news-card-sm .card-body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.news-card-sm h3{font-size:15px;font-weight:600;color:var(--title-color);margin:10px 0 8px;line-height:1.5;transition:var(--transition)}
.news-card-sm:hover h3{color:var(--primary)}
.news-card-sm .card-desc{font-size:13px;color:var(--text-light);line-height:1.7;flex:1}
.news-card-sm .card-meta{display:flex;gap:14px;margin-top:12px;font-size:12px;color:var(--text-sub)}
.badge{display:inline-block;background:var(--bg-soft);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;align-self:flex-start}
.empty-news{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-sub);background:var(--bg-lighter);border-radius:var(--radius-md);border:1px dashed var(--border-color)}
.empty-news i{display:block;font-size:36px;margin-bottom:12px;color:var(--text-sub)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--card-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:16px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border-color);background:var(--bg-lighter)}
.faq-item.active{box-shadow:var(--shadow-md);border-color:var(--border-color)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--title-color)}
.faq-q .icon{width:28px;height:28px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--primary);transition:transform .3s;flex-shrink:0}
.faq-item.active .faq-q .icon{transform:rotate(45deg);background:var(--primary);color:var(--white)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;font-size:14px;color:var(--text-light);line-height:1.85}

/* CTA banner */
.cta-banner{background:var(--primary);border-radius:var(--radius-lg);padding:48px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;top:-50px;right:-30px;width:180px;height:180px;background:rgba(255,255,255,.07);border-radius:50%}
.cta-banner::after{content:"";position:absolute;bottom:-60px;left:20%;width:140px;height:140px;background:rgba(255,255,255,.05);border-radius:50%}
.cta-banner h2{color:var(--white);font-size:24px;font-weight:700;margin-bottom:6px;position:relative;z-index:2}
.cta-banner p{color:rgba(255,255,255,.8);font-size:14px;position:relative;z-index:2}
.cta-banner .btn{position:relative;z-index:2}
.btn-white{background:var(--white);color:var(--primary);padding:12px 32px}
.btn-white:hover{background:var(--bg-soft);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn-outline-white{background:transparent;color:var(--white);border:1px solid rgba(255,255,255,.6);padding:11px 28px}
.btn-outline-white:hover{background:rgba(255,255,255,.1);color:var(--white)}
.cta-banner-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* Footer */
.site-footer{background:#16222E;color:rgba(255,255,255,.78);margin-top:0}
.footer-topbar{height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light))}
.footer-main{padding:60px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-about .logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-about .logo-icon{background:var(--primary-light)}
.footer-about .logo-text{color:var(--white)}
.footer-about .logo-text small{color:rgba(255,255,255,.5)}
.footer-about p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px;max-width:280px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);font-size:15px;transition:var(--transition)}
.footer-social a:hover{background:var(--primary-light);color:var(--white);transform:translateY(-3px)}
.footer-col h4{color:var(--white);font-size:15px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--primary-light);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:13px;transition:var(--transition)}
.footer-col ul a:hover{color:var(--bg-soft);padding-left:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13px;margin-bottom:12px;color:rgba(255,255,255,.6)}
.footer-contact li i{color:var(--primary-light);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom-links a:hover{color:var(--white)}

/* Responsive */
@media (max-width:1024px){
  .hero-inner{gap:36px}
  .hero h1{font-size:32px}
  .hero-visual{min-height:340px}
  .news-grid{grid-template-columns:1fr}
  .wall-grid{grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,180px)}
  .wall-item-1{grid-column:span 2;grid-row:span 2}
  .wall-item-2{grid-column:span 1}
  .wall-item-3{grid-column:span 1}
  .wall-item:nth-child(4){display:none}
  .wall-item:nth-child(5){display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;padding:12px 20px 20px;box-shadow:0 12px 24px rgba(22,34,46,.1);display:none;z-index:99}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 12px;border-bottom:1px solid var(--bg-lighter);font-size:16px}
  .main-nav a::after{display:none}
  .header-search{display:none}
  .cta-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr 1fr}
  .wall-grid{grid-template-columns:repeat(2,1fr);grid-template-rows:auto}
  .wall-item-1{grid-column:span 2;grid-row:span 2}
  .wall-item-2{grid-column:span 1;grid-row:span 1}
  .wall-item-3{grid-column:span 1;grid-row:span 1}
  .wall-item:first-child{display:block}
  .wall-item:nth-child(2){display:block}
  .wall-item:nth-child(3){display:block}
  .wall-item:nth-child(4){display:none}
  .wall-item:nth-child(5){display:none}
}
@media (max-width:640px){
  .section{padding:48px 0}
  .hero{padding:56px 0 48px}
  .hero-inner{flex-direction:column;gap:32px}
  .hero-visual{width:100%;min-height:0;margin-top:12px}
  .hero-img-main{position:static;width:100%;aspect-ratio:16/10}
  .hero-img-sub{display:none}
  .hero-float-card{display:none}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-btns .btn{padding:11px 20px;font-size:14px}
  .hero-stats{padding:20px 16px;gap:12px}
  .stat-num{font-size:24px}
  .countdown-inner{gap:12px}
  .countdown-timer{flex-wrap:wrap;justify-content:center}
  .features-grid{grid-template-columns:1fr}
  .wall-grid{grid-template-columns:1fr;grid-template-rows:repeat(3,160px)}
  .wall-item-1,.wall-item-2,.wall-item-3{grid-column:span 1;grid-row:span 1}
  .cta-split .cta-form-card{padding:24px}
  .form-grid{grid-template-columns:1fr}
  .cta-banner{padding:32px 24px;flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .section-head h2{font-size:24px}
  .news-card-main .card-body{padding:18px}
  .news-card-sm .card-body{padding:16px}
}
@media (max-width:480px){
  .header-actions .btn-header{display:none}
  .hero-stats{grid-template-columns:1fr}
  .stat-item + .stat-item::before{display:none}
  .wall-grid{grid-template-rows:repeat(3,140px)}
}

/* roulang page: category1 */
:root {
    --primary: #1B5E9E;
    --primary-dark: #154A7D;
    --primary-light: #2C7BBE;
    --accent: #E67E22;
    --bg-soft: #F5F8FB;
    --bg-blue: #E8F1F8;
    --text-title: #16222E;
    --text-body: #3D4F5F;
    --text-muted: #7A8FA0;
    --text-placeholder: #A8B8C6;
    --border: #D9E2EA;
    --border-light: #E3EAF1;
    --white: #FFFFFF;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 2px 8px rgba(22,34,46,0.06);
    --shadow-hover: 0 8px 24px rgba(22,34,46,0.10);
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
    border-radius: var(--radius-sm);
}

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

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

::selection {
    background: rgba(27, 94, 158, 0.15);
    color: var(--text-title);
}

.text-center {
    text-align: center;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    box-shadow: 0 1px 4px rgba(22, 34, 46, 0.06);
    height: 72px;
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: 100%;
}

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

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0;
    box-shadow: 0 2px 8px rgba(27, 94, 158, 0.25);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    display: flex;
    flex-direction: column;
}

.logo-text small {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
    letter-spacing: 1px;
}

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

.main-nav a {
    display: inline-block;
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-title);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.main-nav a:hover {
    background: var(--bg-blue);
    color: var(--primary);
}

.main-nav a.active {
    background: var(--bg-blue);
    color: var(--primary);
    font-weight: 600;
}

.main-nav a.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 18px;
    right: 18px;
    height: 3px;
    background: var(--primary);
    border-radius: 999px;
}

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

.header-search {
    position: relative;
    width: 200px;
}

.header-search input {
    width: 100%;
    height: 38px;
    padding: 0 38px 0 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    background: var(--bg-soft);
    transition: var(--transition);
}

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

.header-search input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(27,94,158,0.15);
}

.header-search i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-muted);
    pointer-events: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 26px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    gap: 8px;
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(27,94,158,0.25);
}

.btn-outline {
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--bg-blue);
    color: var(--primary);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background: #D06A10;
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(230,126,34,0.3);
}

.btn-header {
    min-height: 38px;
    padding: 0 20px;
    font-size: 14px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-sm);
}

.btn-header:hover {
    background: var(--primary-dark);
    color: var(--white);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-title);
    cursor: pointer;
    padding: 6px;
}

/* ===== Hero ===== */
.category-hero {
    position: relative;
    padding: 90px 0 80px;
    background:
        linear-gradient(rgba(255,255,255,0.88), rgba(232,241,248,0.82)),
        url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    border-bottom: 1px solid var(--border-light);
}

.category-hero .container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 48px;
}

.hero-copy {
    flex: 0 0 58%;
    max-width: 640px;
}

.category-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-title);
    margin-bottom: 18px;
    letter-spacing: 1px;
}

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

.category-title::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    background: var(--primary);
    border-radius: 999px;
    margin-top: 18px;
}

.category-hero .hero-desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-body);
    margin-bottom: 28px;
    max-width: 560px;
}

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

.hero-actions .btn {
    min-height: 50px;
    padding: 0 30px;
}

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

.hero-points .point {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-points .point i {
    color: var(--primary);
    font-size: 13px;
}

.hero-visual {
    flex: 0 0 37%;
    position: relative;
    min-height: 0;
}

.hero-visual .visual-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(22,34,46,0.12);
    margin-top: 18px;
    border: 3px solid var(--white);
}

.hero-visual .visual-sub {
    position: absolute;
    bottom: -20px;
    left: -30px;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 3px solid var(--white);
    box-shadow: 0 8px 20px rgba(22,34,46,0.15);
    z-index: 2;
}

/* ===== Stats Bar ===== */
.stats-bar {
    background: var(--white);
    border-bottom: 1px solid var(--border-light);
    padding: 0;
}

.stats-bar .container {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-top: 28px;
    padding-bottom: 28px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 160px;
}

.stat-item .stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.stat-item .stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.section-bg-soft {
    background: var(--bg-soft);
}

.section-bg-blue {
    background: var(--bg-blue);
}

.section-header {
    margin-bottom: 48px;
    max-width: 720px;
}

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-blue);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-title);
    line-height: 1.3;
    margin-bottom: 14px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ===== Feature Cards Grid ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: var(--white);
}

.feature-card h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 10px;
    line-height: 1.5;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 0;
}

/* ===== Showcase Grid ===== */
.showcase-section {
    position: relative;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto;
    gap: 20px;
}

.showcase-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-blue);
}

.showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.showcase-item .showcase-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(22,34,46,0.55) 0%, rgba(22,34,46,0.05) 60%);
    display: flex;
    align-items: flex-end;
    padding: 22px;
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: 2;
}

.showcase-item:hover .showcase-mask {
    opacity: 1;
}

.showcase-item .showcase-mask .mask-title {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
}

.showcase-item .showcase-mask .mask-sub {
    color: rgba(255,255,255,0.82);
    font-size: 13px;
    margin-top: 4px;
}

.showcase-large {
    grid-column: span 3;
    grid-row: span 2;
    min-height: 380px;
    border-radius: var(--radius-lg);
}

.showcase-mid {
    grid-column: span 3;
    min-height: 180px;
}

.showcase-small {
    grid-column: span 3;
    min-height: 170px;
}

/* ===== Process / Steps ===== */
.steps-wrapper {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.step-item {
    flex: 1;
    min-width: 220px;
    max-width: 280px;
    text-align: center;
    position: relative;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.step-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.step-num {
    width: 48px;
    height: 48px;
    background: var(--bg-blue);
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary);
}

.step-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 10px;
}

.step-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== Topic Tags ===== */
.topic-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.topic-tags a {
    display: inline-block;
    padding: 7px 20px;
    font-size: 14px;
    background: var(--bg-soft);
    color: var(--text-body);
    border: 1px solid var(--border);
    border-radius: 999px;
    transition: var(--transition);
}

.topic-tags a:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ===== Vertical Card List ===== */
.content-list-wrap {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-row {
    display: flex;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition);
}

.card-row:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.card-row .card-thumb {
    flex: 0 0 300px;
    min-height: 200px;
    overflow: hidden;
}

.card-row .card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.4s ease;
}

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

.card-row .card-content {
    padding: 28px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.card-row .card-tag {
    display: inline-flex;
    align-self: flex-start;
    background: var(--bg-blue);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 2px 14px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.card-row h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-title);
    line-height: 1.5;
    margin-bottom: 10px;
}

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

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

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

.card-meta {
    display: flex;
    gap: 18px;
    font-size: 13px;
    color: var(--text-muted);
}

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

/* ===== Resource ===== */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.resource-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
}

.resource-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.resource-card .resource-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 18px;
    background: var(--bg-blue);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    transition: var(--transition);
}

.resource-card:hover .resource-icon {
    background: var(--primary);
    color: var(--white);
}

.resource-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 10px;
}

.resource-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 0;
}

.resource-card .resource-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.resource-card .resource-link i {
    font-size: 12px;
    transition: transform 0.2s ease;
}

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

.resource-card .resource-link:hover i {
    transform: translateX(4px);
}

/* ===== Testimonials ===== */
.testi-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testi-card {
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 28px 26px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.testi-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.testi-card .testi-quote {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 20px;
    flex: 1;
    position: relative;
    padding-left: 20px;
}

.testi-card .testi-quote::before {
    content: "\201C";
    position: absolute;
    left: 0;
    top: -8px;
    font-size: 30px;
    color: var(--primary);
    opacity: 0.35;
    line-height: 1;
}

.testi-card .testi-person {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testi-card .testi-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-blue);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
}

.testi-card .testi-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-title);
}

.testi-card .testi-role {
    font-size: 13px;
    color: var(--text-muted);
}

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

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

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-item.open {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 20px 26px;
    transition: var(--transition);
    font-size: 17px;
    font-weight: 600;
    color: var(--text-title);
    background: var(--white);
    border: none;
    width: 100%;
    text-align: left;
    gap: 16px;
}

.faq-question:hover {
    background: var(--bg-soft);
}

.faq-item.open .faq-question {
    background: var(--bg-soft);
    color: var(--primary);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--primary);
    position: relative;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

.faq-answer {
    padding: 0 26px 22px 26px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.85;
    border-top: 1px solid transparent;
    transition: var(--transition);
}

.faq-item.open .faq-answer {
    border-top-color: var(--border-light);
    padding-top: 18px;
}

/* ===== CTA ===== */
.cta-section {
    background: var(--primary);
    position: relative;
    overflow: hidden;
    padding: 84px 0;
}

.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 82% 20%, rgba(255,255,255,0.08) 0%, transparent 40%),
        radial-gradient(circle at 15% 80%, rgba(255,255,255,0.06) 0%, transparent 30%);
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-content {
    flex: 1;
    min-width: 280px;
}

.cta-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 14px;
}

.cta-content p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 0;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.cta-buttons .btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
}

.cta-buttons .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

/* quick contact form */
.quick-contact-wrap {
    margin-top: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    max-width: 480px;
    box-shadow: 0 12px 32px rgba(22,34,46,0.15);
}

.quick-contact-wrap h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 8px;
}

.quick-contact-wrap .form-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-title);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 11px 16px;
    font-size: 14px;
    background: var(--white);
    transition: var(--transition);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-placeholder);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,94,158,0.15);
    background: var(--white);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--text-title);
    color: rgba(255,255,255,0.8);
}

.footer-topbar {
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent));
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
    gap: 40px;
}

.footer-about .logo {
    margin-bottom: 18px;
}

.footer-about .logo-text {
    color: var(--white);
}

.footer-about .logo-text small {
    color: rgba(255,255,255,0.55);
}

.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    max-width: 320px;
}

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

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    transition: var(--transition);
}

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

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
}

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

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

.footer-col ul a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.6;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.footer-col ul a:hover {
    color: var(--bg-blue);
    transform: translateX(4px);
}

.footer-contact li {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-contact li i {
    color: var(--primary-light);
    width: 18px;
    text-align: center;
}

.footer-bottom {
    background: rgba(0,0,0,0.25);
    padding: 18px 0;
    font-size: 13px;
}

.footer-bottom a {
    color: rgba(255,255,255,0.6);
    margin-left: 18px;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .category-hero .container {
        flex-direction: column;
    }

    .hero-copy {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .hero-visual {
        flex: 0 0 100%;
        margin-top: 40px;
        display: flex;
        gap: 16px;
    }

    .hero-visual .visual-main {
        flex: 1;
        margin-top: 0;
    }

    .hero-visual .visual-sub {
        position: static;
        width: 40%;
        flex-shrink: 0;
    }

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

    .showcase-large {
        grid-column: span 6;
    }

    .showcase-mid {
        grid-column: span 3;
    }

    .showcase-small {
        grid-column: span 3;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 900px) {
    .site-header {
        height: 64px;
    }

    .header-inner {
        gap: 12px;
    }

    .header-search {
        display: none;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
        box-shadow: 0 8px 24px rgba(22,34,46,0.1);
        border-top: 1px solid var(--border-light);
        z-index: 99;
    }

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

    .main-nav a {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: var(--radius-sm);
    }

    .main-nav a.active::after {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .btn-header {
        font-size: 13px;
        padding: 0 14px;
        min-height: 36px;
    }

    .category-hero {
        padding: 56px 0 56px;
    }

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

    .section {
        padding: 56px 0;
    }

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

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }

    .category-title {
        font-size: 28px;
    }

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

    .hero-actions .btn {
        width: 100%;
    }

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

    .stats-bar .container {
        gap: 16px;
    }

    .stat-item {
        min-width: calc(50% - 16px);
    }

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

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .showcase-large,
    .showcase-mid,
    .showcase-small {
        grid-column: span 6;
    }

    .steps-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .step-item {
        max-width: 100%;
        width: 100%;
    }

    .card-row {
        flex-direction: column;
    }

    .card-row .card-thumb {
        flex: 0 0 auto;
        min-height: 180px;
    }

    .card-row .card-thumb img {
        min-height: 180px;
    }

    .card-row .card-content {
        padding: 20px;
    }

    .card-meta {
        flex-wrap: wrap;
        gap: 10px;
    }

    .resource-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .resource-card {
        padding: 22px 14px;
    }

    .resource-card .resource-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .testi-inner {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

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

    .cta-buttons .btn {
        width: 100%;
    }

    .quick-contact-wrap {
        padding: 22px 18px;
        max-width: 100%;
    }

    .footer-main {
        padding: 40px 0 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom .container {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 10px;
    }

    .footer-bottom a {
        margin: 0 8px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 17px;
    }

    .logo-text small {
        font-size: 10px;
    }

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

    .resource-card p {
        font-size: 13px;
    }

    .form-group input,
    .form-group textarea {
        font-size: 15px;
    }

    .btn {
        font-size: 15px;
        min-height: 44px;
        padding: 0 20px;
    }

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

/* roulang page: article */
:root {
  --primary: #1B5E9E;
  --primary-dark: #154A7D;
  --primary-blue: #2C7BBE;
  --primary-soft: #E8F1F8;
  --bg-soft: #F5F8FB;
  --title-color: #16222E;
  --text-color: #3D4F5F;
  --muted-color: #7A8FA0;
  --light-muted: #A8B8C6;
  --border-color: #D9E2EA;
  --card-border: #E3EAF1;
  --accent: #E67E22;
  --accent-dark: #D1711D;
  --white: #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(22, 34, 46, 0.06);
  --shadow-hover: 0 8px 24px rgba(22, 34, 46, 0.10);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style-position: inside;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--title-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(27, 94, 158, 0.25);
}

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

.btn-outline:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--accent-dark);
  color: var(--white);
}

.btn:focus-visible,
.form-grid input:focus-visible,
.form-grid textarea:focus-visible,
.header-search input:focus-visible {
  outline: 3px solid rgba(27, 94, 158, 0.35);
  outline-offset: 2px;
}

.btn-block {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 4px rgba(22, 34, 46, 0.06);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.logo-text small {
  font-size: 11px;
  color: var(--muted-color);
  font-weight: 400;
  letter-spacing: 0.5px;
  margin-top: 3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav a {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-color);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

.main-nav a:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.main-nav a.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  box-shadow: inset 0 -3px 0 var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-search {
  position: relative;
  width: 200px;
}

.header-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0 16px 0 38px;
  background: var(--white);
  font-size: 14px;
  color: var(--text-color);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 94, 158, 0.15);
}

.header-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-color);
  font-size: 14px;
  pointer-events: none;
}

.btn-header {
  background: var(--primary);
  color: var(--white);
}

.btn-header:hover {
  background: var(--primary-dark);
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--primary);
  font-size: 18px;
  transition: background var(--transition), color var(--transition);
}

.nav-toggle:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.article-page {
  background: var(--white);
}

.article-head {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border-color);
  padding: 64px 0 40px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted-color);
  margin-bottom: 24px;
}

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

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

.breadcrumb .sep {
  color: var(--light-muted);
}

.breadcrumb .current {
  color: var(--text-color);
  max-width: 520px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-head-inner {
  max-width: 1000px;
}

.article-title {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--title-color);
  margin: 0 0 20px;
  letter-spacing: -0.5px;
}

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

.article-tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
}

.article-meta i {
  margin-right: 6px;
}

.article-body {
  padding: 48px 0 24px;
}

.article-container {
  max-width: 860px;
}

.article-content {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-color);
}

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

.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 36px 0 16px;
  color: var(--title-color);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 14px;
  color: var(--primary);
}

.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--title-color);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 24px auto;
}

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

.article-content figcaption {
  text-align: center;
  color: var(--muted-color);
  font-size: 13px;
  line-height: 1.6;
  margin-top: 10px;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text-color);
}

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

.article-content ul,
.article-content ol {
  margin: 0 0 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: var(--white);
}

.article-content th,
.article-content td {
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
  text-align: left;
}

.article-content th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--title-color);
}

.article-content code {
  background: var(--bg-soft);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content pre {
  background: #16222E;
  color: #E8F1F8;
  padding: 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 24px 0;
}

.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.article-back {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

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

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

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--muted-color);
}

.empty-state i {
  font-size: 40px;
  display: block;
  margin-bottom: 16px;
  color: var(--light-muted);
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 24px;
}

.empty-state .btn {
  min-width: 140px;
}

.related-section {
  background: var(--bg-soft);
  padding: 80px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--title-color);
  margin: 0 0 40px;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.related-card {
  display: block;
  height: 100%;
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.related-card:hover img {
  transform: scale(1.02);
}

.related-card-body {
  padding: 20px 24px 24px;
}

.related-card-body .article-tag {
  margin-bottom: 12px;
  display: inline-flex;
}

.related-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--title-color);
  margin: 0 0 10px;
  line-height: 1.5;
  transition: color var(--transition);
}

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

.related-card-body p {
  font-size: 14px;
  color: var(--muted-color);
  line-height: 1.7;
  margin: 0;
}

.cta-section {
  background: linear-gradient(rgba(245, 248, 251, 0.94), rgba(232, 241, 248, 0.88)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: 80px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-text {
  flex: 1 1 520px;
}

.cta-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--title-color);
  margin: 0 0 16px;
  line-height: 1.4;
}

.cta-text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
  max-width: 640px;
  margin: 0;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.faq-section {
  padding: 80px 0;
  background: var(--white);
}

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

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

.faq-item:hover {
  box-shadow: var(--shadow-hover);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--title-color);
  list-style: none;
  transition: background var(--transition);
}

.faq-item summary:hover {
  background: var(--bg-soft);
}

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

.faq-item summary::after {
  content: '\f067';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}

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

.faq-item p {
  padding: 0 24px 20px;
  margin: -6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-color);
}

.contact-section {
  background: var(--primary-soft);
  padding: 80px 0;
}

.form-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--title-color);
  margin: 0 0 8px;
}

.form-card > p {
  color: var(--muted-color);
  font-size: 15px;
  margin: 0 0 32px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-grid .full-col {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-grid input:focus,
.form-grid textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 94, 158, 0.15);
}

.form-grid textarea {
  resize: vertical;
  min-height: 110px;
}

.site-footer {
  background: #16222E;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.footer-topbar {
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-blue));
}

.footer-main {
  padding: 64px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-about .logo-text {
  color: var(--white);
}

.footer-about .logo-text small {
  color: rgba(255, 255, 255, 0.5);
}

.footer-about p {
  margin-top: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 360px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

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

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

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

.footer-col a {
  color: rgba(255, 255, 255, 0.65);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
}

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

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

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .article-title {
    font-size: 32px;
  }
}

@media (max-width: 900px) {
  .header-inner {
    gap: 16px;
  }

  .header-search {
    display: none;
  }

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

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 24px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(22, 34, 46, 0.10);
    display: none;
    border-top: 1px solid var(--border-color);
  }

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

  .main-nav a {
    width: 100%;
    padding: 14px 16px;
  }

  .header-actions {
    gap: 10px;
  }

  .btn-header {
    padding: 0 18px;
    font-size: 14px;
  }

  .article-head {
    padding: 48px 0 32px;
  }

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

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .cta-buttons {
    justify-content: center;
  }

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

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .logo-text {
    font-size: 18px;
  }

  .logo-text small {
    font-size: 10px;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }

  .btn-header {
    min-height: 40px;
    padding: 0 14px;
    font-size: 14px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .main-nav {
    top: 64px;
  }

  .article-head {
    padding: 40px 0 28px;
  }

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

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

  .article-body {
    padding: 32px 0 16px;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.85;
  }

  .related-section,
  .faq-section,
  .contact-section,
  .cta-section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 24px;
    margin-bottom: 28px;
  }

  .related-card img {
    height: 200px;
  }

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

  .form-card {
    padding: 24px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-card h2 {
    font-size: 22px;
  }

  .footer-main {
    padding: 48px 0 32px;
  }

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

  .faq-item summary {
    font-size: 16px;
    padding: 18px 20px;
  }

  .faq-item p {
    padding: 0 20px 18px;
  }
}