/* roulang page: index */
:root{
  --primary:#e1142d;
  --primary-dark:#b90e23;
  --accent:#ff7a1a;
  --accent-light:#ffb020;
  --dark:#0b1222;
  --dark-2:#111b36;
  --ink:#1b2537;
  --muted:#64748b;
  --line:#e8ebf2;
  --bg:#f5f7fb;
  --white:#ffffff;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:28px;
  --shadow-sm:0 4px 16px rgba(15,23,42,.07);
  --shadow-md:0 14px 38px rgba(15,23,42,.12);
  --shadow-lg:0 28px 70px rgba(15,23,42,.2);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit;transition:color .25s,background .25s,box-shadow .25s,transform .25s}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:fixed;top:-60px;left:16px;z-index:999;background:var(--primary);color:#fff;padding:10px 16px;border-radius:8px;transition:top .3s}
.skip-link:focus{top:12px}
.section-pad{padding:96px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--primary);text-transform:uppercase;background:rgba(225,20,45,.08);padding:6px 16px;border-radius:30px;margin-bottom:14px}
.section-eyebrow.light{color:var(--accent-light);background:rgba(255,255,255,.12)}
.section-head h2{font-size:36px;line-height:1.3;font-weight:800;color:var(--dark);letter-spacing:-1px}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted)}
.section-pad.light{background:var(--white)}

/* Header */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(232,235,242,.7);
  transition:box-shadow .3s,background .3s;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 6px 16px rgba(225,20,45,.3);
}
.brand-text{font-size:20px;font-weight:800;color:var(--dark);letter-spacing:.5px}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;list-style:none;gap:6px;margin:0}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:30px;
  font-size:15px;font-weight:600;color:var(--ink);position:relative;
}
.nav-link:hover{color:var(--primary);background:rgba(225,20,45,.06)}
.nav-link.active{color:var(--primary);background:rgba(225,20,45,.1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;border-radius:30px;font-weight:700;
  padding:12px 26px;font-size:15px;line-height:1.2;transition:all .25s;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-primary{background:linear-gradient(135deg,var(--primary),#ff4d30);color:#fff;box-shadow:0 8px 20px rgba(225,20,45,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(225,20,45,.4);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:2px solid rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline:hover{background:#fff;color:var(--dark);border-color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--dark);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(0,0,0,.26);color:var(--dark)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--dark);border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn:focus-visible,.nav-link:focus-visible,.category-card:focus-visible,.news-title a:focus-visible,.faq-item summary:focus-visible{outline:3px solid rgba(225,20,45,.45);outline-offset:2px}

/* Hero */
.hero{
  position:relative;min-height:94vh;display:flex;align-items:center;overflow:hidden;
  padding:140px 0 90px;color:#fff;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  animation:heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,14,30,.92) 0%,rgba(11,18,34,.75) 55%,rgba(17,24,39,.45) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero-content{max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:2px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  padding:8px 18px;border-radius:30px;margin-bottom:26px;backdrop-filter:blur(6px);
}
.hero-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-light);box-shadow:0 0 12px var(--accent-light)}
.hero-content h1{
  font-size:54px;line-height:1.15;font-weight:900;letter-spacing:-2px;margin-bottom:22px;
  text-shadow:0 4px 30px rgba(0,0,0,.35);
}
.hero-content p{font-size:18px;color:rgba(255,255,255,.85);max-width:620px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:62px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;padding-top:34px;border-top:1px solid rgba(255,255,255,.18);
}
.stat-item{flex:1;min-width:140px;padding-right:24px}
.stat-item strong{display:block;font-size:32px;font-weight:800;color:#fff;letter-spacing:-1px}
.stat-item span{font-size:13px;color:rgba(255,255,255,.65);letter-spacing:1px}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  background:var(--white);border-radius:var(--radius-md);padding:34px 26px;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:all .3s;
  position:relative;overflow:hidden;
}
.feature-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{
  width:58px;height:58px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:24px;color:#fff;margin-bottom:20px;
  background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 8px 20px rgba(225,20,45,.25);
}
.feature-card:nth-child(2) .feature-icon{background:linear-gradient(135deg,#2563eb,#06b6d4);box-shadow:0 8px 20px rgba(37,99,235,.25)}
.feature-card:nth-child(3) .feature-icon{background:linear-gradient(135deg,#7c3aed,#d946ef);box-shadow:0 8px 20px rgba(124,58,237,.25)}
.feature-card:nth-child(4) .feature-icon{background:linear-gradient(135deg,#059669,#10b981);box-shadow:0 8px 20px rgba(5,150,105,.25)}
.feature-card h3{font-size:19px;font-weight:700;color:var(--dark);margin-bottom:12px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* Categories */
.categories{background:var(--white)}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.category-card{
  display:flex;flex-direction:column;background:var(--bg);border-radius:var(--radius-md);
  overflow:hidden;border:1px solid var(--line);transition:all .3s;
}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent}
.category-cover{position:relative;aspect-ratio:4/3;overflow:hidden}
.category-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.category-card:hover .category-cover img{transform:scale(1.08)}
.category-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,14,30,.45))}
.category-body{padding:24px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.5px;
  background:rgba(225,20,45,.1);color:var(--primary);padding:4px 14px;border-radius:30px;margin-bottom:12px;align-self:flex-start;
}
.category-body h3{font-size:20px;font-weight:800;color:var(--dark);margin-bottom:8px}
.category-body p{font-size:14px;color:var(--muted);margin-bottom:18px;flex:1}
.category-more{font-size:14px;font-weight:700;color:var(--primary)}
.category-more i{transition:transform .3s;margin-left:4px}
.category-card:hover .category-more i{transform:translateX(5px)}

/* Insight dark panel */
.insight-section{position:relative;background-size:cover;background-position:center;padding:100px 0;color:#fff;overflow:hidden}
.insight-overlay{position:absolute;inset:0;background:rgba(10,15,34,.82)}
.insight-section .container{position:relative;z-index:2}
.insight-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.insight-copy .section-eyebrow{background:rgba(255,255,255,.12);color:var(--accent-light)}
.insight-copy h2{font-size:34px;font-weight:800;margin-bottom:16px;color:#fff}
.insight-copy p{color:rgba(255,255,255,.75);font-size:16px}
.insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.insight-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);padding:28px 24px;backdrop-filter:blur(8px);transition:all .3s;
}
.insight-card:hover{background:rgba(255,255,255,.16);transform:translateY(-4px)}
.insight-card strong{display:block;font-size:32px;font-weight:800;color:#fff;margin-bottom:6px;letter-spacing:-1px}
.insight-card span{font-size:14px;color:rgba(255,255,255,.7)}
.insight-card:nth-child(even) strong{color:var(--accent-light)}

/* News */
.news-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.news-card{
  display:flex;flex-direction:column;background:var(--white);border-radius:var(--radius-md);
  padding:28px 30px;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:all .3s;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:transparent}
.news-card-meta{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.news-date{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.news-date i{color:var(--primary)}
.news-title{font-size:21px;font-weight:800;color:var(--dark);line-height:1.4;margin-bottom:10px}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:15px;color:var(--muted);margin-bottom:16px;line-height:1.7}
.news-more{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.news-more i{transition:transform .3s}
.news-more:hover i{transform:translateX(5px)}
.news-empty{
  background:var(--white);border:1px dashed var(--line);border-radius:var(--radius-md);
  padding:48px;text-align:center;color:var(--muted);font-size:16px;
}

/* Steps */
.steps-section{background:var(--white)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step}
.step-card{
  position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:44px 30px 36px;transition:all .3s;overflow:hidden;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);background:#fff}
.step-card::before{
  content:attr(data-step);position:absolute;top:18px;right:22px;font-size:56px;font-weight:900;
  color:rgba(225,20,45,.1);line-height:1;letter-spacing:-3px;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:18px;font-weight:800;
  border-radius:14px;margin-bottom:22px;box-shadow:0 8px 20px rgba(225,20,45,.25);
}
.step-card h3{font-size:20px;font-weight:800;color:var(--dark);margin-bottom:10px}
.step-card p{font-size:15px;color:var(--muted);line-height:1.7}
.step-arrow{position:absolute;top:50%;right:-18px;color:var(--primary);font-size:20px;transform:translateY(-50%);z-index:2}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:60px}
.faq-intro h2{font-size:34px;font-weight:800;color:var(--dark);margin-bottom:14px;line-height:1.3}
.faq-intro p{color:var(--muted)}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .3s;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-item summary{
  cursor:pointer;padding:22px 26px;font-size:17px;font-weight:700;color:var(--dark);
  list-style:none;display:flex;align-items:center;gap:14px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .faq-icon{
  width:32px;height:32px;border-radius:50%;background:rgba(225,20,45,.1);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:transform .3s;
}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item p{padding:0 26px 22px 72px;color:var(--muted);font-size:15px;line-height:1.8}

/* CTA */
.cta-section{padding:60px 0 96px}
.cta-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:70px 50px;text-align:center;
  background:linear-gradient(120deg,var(--dark) 0%,var(--dark-2) 50%,#1d2a4d 100%);
  border:1px solid rgba(255,255,255,.1);
}
.cta-card::before{
  content:"";position:absolute;top:-60px;right:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,var(--accent),transparent 70%);opacity:.3;
}
.cta-card::after{
  content:"";position:absolute;bottom:-80px;left:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,var(--primary),transparent 70%);opacity:.25;
}
.cta-content{position:relative;z-index:2;max-width:580px;margin:0 auto}
.cta-content h2{color:#fff;font-size:34px;font-weight:900;margin-bottom:14px;letter-spacing:-1px}
.cta-content p{color:rgba(255,255,255,.75);font-size:16px;margin-bottom:28px}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:800}
.footer-brand .brand-mark{margin-bottom:16px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.7;max-width:300px}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;letter-spacing:.5px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:3px;background:var(--primary);border-radius:3px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:14px;transition:color .25s,padding-left .25s}
.footer-col ul a:hover{color:var(--accent-light);padding-left:4px}
.footer-col ul li i{width:20px;text-align:center;margin-right:8px;color:var(--accent-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom p{margin-bottom:4px}

/* Responsive */
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .insight-layout{grid-template-columns:1fr;gap:40px}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:20px 24px 24px;gap:16px;box-shadow:var(--shadow-md);border-top:1px solid var(--line);
    transform:translateY(-120%);opacity:0;visibility:hidden;transition:transform .35s,opacity .3s,visibility .3s;
    max-height:calc(100vh - 80px);overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-list{flex-direction:column;gap:4px}
  .nav-link{display:block;font-size:16px;padding:13px 16px}
  .nav-actions{margin-left:0}
  .nav-actions .btn{width:100%}
}
@media(max-width:768px){
  .section-pad{padding:72px 0}
  .hero{padding:120px 0 70px;min-height:auto}
  .hero-content h1{font-size:38px}
  .hero-content p{font-size:16px}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding-top:28px}
  .stat-item{min-width:0;padding-right:0}
  .steps-grid{grid-template-columns:1fr}
  .cta-card{padding:50px 26px}
  .cta-content h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .hero-content h1{font-size:32px}
  .hero-actions .btn{width:100%}
  .features-grid,.category-grid,.insight-grid{grid-template-columns:1fr}
  .news-card{padding:22px 20px}
  .news-title{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
  .section-head h2{font-size:28px}
  .section-head p{font-size:15px}
  .btn-lg{width:100%}
  .insight-copy h2{font-size:28px}
  .faq-intro h2{font-size:28px}
  .faq-item summary{font-size:15px;padding:18px 18px}
  .faq-item p{padding:0 18px 18px 52px}
}

/* roulang page: article */
:root {
            --primary: #0d1b2a;
            --primary-2: #1b263b;
            --primary-3: #273650;
            --accent: #f5a623;
            --accent-dark: #d98e12;
            --accent-soft: #fff6e8;
            --bg-body: #f4f6fb;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --text-main: #1a2332;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(13, 27, 42, 0.08);
            --shadow-hover: 0 18px 44px rgba(13, 27, 42, 0.16);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .site-header {
            background: rgba(13, 27, 42, 0.95);
            backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

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

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #ffc857);
            color: #0d1b2a;
            border-radius: 10px;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: block;
            padding: 10px 16px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            padding: 12px 24px;
            font-size: 15px;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ffb547);
            color: #0d1b2a;
            box-shadow: 0 4px 18px rgba(245, 166, 35, 0.3);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, var(--accent-dark), var(--accent));
            color: #0d1b2a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.4);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            z-index: 110;
        }

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

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

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

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

        .article-banner {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 84px 0 72px;
            color: #fff;
        }

        .article-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.92), rgba(13, 27, 42, 0.72));
            z-index: 1;
        }

        .article-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

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

        .breadcrumb span {
            color: rgba(255, 255, 255, 0.45);
        }

        .category-badge {
            display: inline-block;
            background: rgba(245, 166, 35, 0.18);
            border: 1px solid rgba(245, 166, 35, 0.5);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .article-banner h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.3;
            max-width: 820px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            color: #fff;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

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

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

        .article-main {
            padding: 60px 0;
        }

        .article-layout {
            gap: 36px;
        }

        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 44px 48px;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }

        .post-body {
            font-size: 16px;
            line-height: 1.9;
            color: #334155;
        }

        .post-body p {
            margin-bottom: 20px;
        }

        .post-body h2,
        .post-body h3 {
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.4;
            margin-top: 36px;
            margin-bottom: 14px;
        }

        .post-body h2 {
            font-size: 24px;
        }

        .post-body h3 {
            font-size: 20px;
        }

        .post-body ul {
            margin: 16px 0 20px;
            padding-left: 0;
            display: grid;
            gap: 10px;
        }

        .post-body ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 0;
        }

        .post-body ul li::before {
            content: "";
            position: absolute;
            left: 4px;
            top: 11px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        .post-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 10px 10px 0;
            color: #475569;
            font-style: normal;
        }

        .post-body img {
            border-radius: 12px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }

        .post-body a {
            color: var(--accent-dark);
            font-weight: 600;
            border-bottom: 1px solid transparent;
        }

        .post-body a:hover {
            border-bottom-color: var(--accent-dark);
        }

        .post-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }

        .post-tags > span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        .tag-link {
            background: var(--bg-body);
            border-radius: 30px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-2);
            border: 1px solid var(--border-color);
        }

        .tag-link:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent-dark);
        }

        .post-share {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
        }

        .post-share > span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 4px;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--primary-2);
            font-size: 15px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .share-btn:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #0d1b2a;
            transform: translateY(-2px);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 26px;
            border: 1px solid rgba(226, 232, 240, 0.6);
        }

        .sidebar-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
        }

        .sidebar-card h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 40px;
            height: 2px;
            background: var(--accent);
        }

        .sidebar-card ul li {
            padding: 9px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .sidebar-links li a {
            color: var(--text-main);
            font-weight: 500;
            display: block;
            transition: var(--transition);
        }

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

        .not-found {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 80px 40px;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .not-found i {
            font-size: 56px;
            color: var(--accent);
            margin-bottom: 20px;
            display: inline-block;
        }

        .not-found h2 {
            font-size: 28px;
            margin-bottom: 10px;
        }

        .not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .related-section {
            padding: 64px 0 80px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
        }

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

        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 8px;
        }

        .related-grid {
            row-gap: 32px;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }

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

        .related-card a {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .related-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .related-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13, 27, 42, 0.35));
        }

        .related-info {
            padding: 22px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-info .badge {
            align-self: flex-start;
        }

        .badge {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
            border: 1px solid rgba(245, 166, 35, 0.3);
            letter-spacing: 0.3px;
        }

        .related-info h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
        }

        .related-info h3 a:hover {
            color: var(--accent-dark);
        }

        .related-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .related-more {
            margin-top: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-more i {
            transition: transform 0.3s ease;
        }

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

        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.94), rgba(27, 38, 59, 0.86));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 30px;
        }

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

        .site-footer {
            background: #0a1627;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

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

        .footer-col ul li {
            padding: 5px 0;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

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

        .footer-col ul li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col ul li i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

            .main-nav {
                gap: 16px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 14px;
            }

            .nav-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }

            .article-content {
                padding: 36px 32px;
            }

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

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

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(13, 27, 42, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 20px 24px 28px;
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.4s ease, opacity 0.3s ease, visibility 0.3s;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 99;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 4px;
            }

            .nav-link {
                width: 100%;
                padding: 12px 8px;
                font-size: 16px;
            }

            .nav-link.active::after {
                left: 8px;
                right: auto;
                width: 28px;
            }

            .nav-actions {
                width: 100%;
                padding-top: 16px;
                margin-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }

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

            .article-banner {
                padding: 60px 0 50px;
            }

            .article-main {
                padding: 40px 0;
            }

            .article-content {
                padding: 28px 22px;
            }

            .post-body {
                font-size: 15px;
            }

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

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

            .related-section {
                padding: 50px 0 60px;
            }

            .cta-section {
                padding: 60px 0;
            }

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

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

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

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

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .article-banner h1 {
                font-size: 24px;
            }

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

            .article-content {
                padding: 22px 18px;
                border-radius: 14px;
            }

            .article-layout {
                gap: 24px;
            }

            .post-tags {
                gap: 8px;
            }

            .post-tags .tag-link {
                padding: 5px 10px;
                font-size: 12px;
            }

            .sidebar-card {
                padding: 20px;
            }

            .related-cover {
                height: 160px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-actions {
                flex-direction: column;
            }

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

/* roulang page: category1 */
:root {
  --primary: #0e1e3c;
  --primary-light: #1b3260;
  --primary-dark: #070f24;
  --accent: #00d4a2;
  --accent-hover: #00b387;
  --warm: #f4b942;
  --bg: #f6f8fc;
  --white: #ffffff;
  --text: #1b2333;
  --text-soft: #5a6379;
  --border: #e4e9f2;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(14, 30, 60, 0.08);
  --shadow-hover: 0 18px 40px rgba(14, 30, 60, 0.15);
  --spacer: 96px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul, ol { list-style: none; margin: 0; padding: 0; }
button, input, select, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(0, 212, 162, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 72px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.3px;
}
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #1b4a78);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(14, 30, 60, 0.25);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  transition: all 0.3s;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(14, 30, 60, 0.05);
}
.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 6px 16px rgba(14, 30, 60, 0.22);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 50%;
  transition: background 0.3s;
}
.nav-toggle:hover { background: rgba(14, 30, 60, 0.06); }
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  line-height: 1.6;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 30, 60, 0.22);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(14, 30, 60, 0.3);
}
.btn-primary:active { transform: translateY(0); }
.btn-accent {
  background: var(--accent);
  color: #062b21;
  box-shadow: 0 8px 20px rgba(0, 212, 162, 0.28);
}
.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 212, 162, 0.36);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.badge-light {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
}
.badge-tag {
  background: rgba(0, 212, 162, 0.1);
  color: #008f6f;
  border: 1px solid rgba(0, 212, 162, 0.28);
}

/* Page Banner */
.page-banner {
  position: relative;
  padding: 96px 0;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(6, 15, 36, 0.94) 20%, rgba(10, 33, 74, 0.8) 60%, rgba(0, 212, 162, 0.28) 120%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: -100px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 162, 0.25), transparent 70%);
  pointer-events: none;
}
.banner-wrap { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb a { color: rgba(255, 255, 255, 0.75); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 12px; }
.page-banner h1 {
  font-size: 46px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: 1px;
  line-height: 1.2;
}
.banner-desc {
  max-width: 620px;
  font-size: 18px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
}
.banner-badges { display: flex; flex-wrap: wrap; gap: 12px; }

/* Stat Strip */
.stat-strip {
  padding: 48px 0 24px;
  margin-top: -60px;
  position: relative;
  z-index: 3;
}
.stat-col { margin-bottom: 24px; }
.stat-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 162, 0.25);
}
.stat-number {
  display: block;
  font-size: 38px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.stat-label { color: var(--text-soft); font-size: 15px; }

/* Sections */
.section { padding: var(--spacer) 0; }
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(0, 212, 162, 0.1);
  color: #008f6f;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.3;
}
.section-header p {
  font-size: 16px;
  color: var(--text-soft);
  margin: 0;
}

/* Category Cards */
.category-col { margin-bottom: 24px; }
.category-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 162, 0.3);
}
.category-card:hover::before { opacity: 1; }
.category-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 8px 20px rgba(14, 30, 60, 0.2);
}
.category-card:nth-child(2) .category-icon { background: linear-gradient(135deg, #f4b942, #e09d1e); }
.category-card:nth-child(3) .category-icon { background: linear-gradient(135deg, #00d4a2, #00a37d); }
.category-card:nth-child(4) .category-icon { background: linear-gradient(135deg, #7c5cfc, #5b3fd1); }
.category-card h3 { font-size: 20px; margin: 0 0 10px; color: var(--text); }
.category-card p { font-size: 14px; color: var(--text-soft); margin: 0 0 20px; flex-grow: 1; }
.text-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  transition: all 0.3s;
}
.text-link:hover {
  color: var(--accent);
  gap: 12px;
}

/* News List */
.news-list-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}
.news-row {
  display: flex;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.news-row:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 162, 0.28);
}
.news-date {
  flex-shrink: 0;
  width: 68px;
  height: 68px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.date-day { font-size: 24px; font-weight: 800; line-height: 1; }
.date-month { font-size: 12px; margin-top: 4px; opacity: 0.85; }
.news-content { flex: 1; min-width: 0; }
.news-content h3 { font-size: 19px; margin: 8px 0 8px; line-height: 1.5; transition: color 0.3s; }
.news-content h3:hover { color: #008f6f; }
.news-content p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: #8a93a8;
  font-size: 13px;
}
.news-meta .read-more { color: var(--primary); font-weight: 600; transition: color 0.3s; }
.news-meta .read-more:hover { color: var(--accent); }

/* Ranking */
.dark-section {
  background: linear-gradient(135deg, #0a1228, #0e1e3c);
  color: #fff;
}
.dark-section .section-header h2 { color: #fff; }
.dark-section .section-header p { color: rgba(255, 255, 255, 0.7); }
.dark-section .section-tag { background: rgba(0, 212, 162, 0.15); color: var(--accent); }
.rank-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}
.rank-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(6px);
  border-color: rgba(0, 212, 162, 0.4);
}
.rank-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  font-style: italic;
  width: 46px;
  text-align: center;
  flex-shrink: 0;
}
.rank-item.rank-1 .rank-num { color: var(--warm); }
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 { margin: 0 0 4px; font-size: 17px; }
.rank-info p { margin: 0; color: rgba(255, 255, 255, 0.6); font-size: 13px; }
.rank-heat { font-size: 13px; color: var(--warm); font-weight: 600; white-space: nowrap; }

/* Feature Cards */
.feature-col { margin-bottom: 24px; }
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.35s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.feature-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.feature-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.feature-card:hover .feature-thumb img { transform: scale(1.05); }
.feature-type {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  backdrop-filter: blur(6px);
}
.feature-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.feature-body h3 { font-size: 18px; margin: 0 0 10px; line-height: 1.45; }
.feature-body p { color: var(--text-soft); font-size: 14px; margin: 0 0 18px; flex-grow: 1; }

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.faq-item:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 162, 0.25);
}
.faq-item h3 {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.faq-item h3 i { color: var(--accent); margin-top: 3px; }
.faq-item p { font-size: 14px; color: var(--text-soft); margin: 0; line-height: 1.7; }

/* CTA */
.cta-section { padding: 0 0 80px; }
.cta-wrap {
  margin: var(--spacer) auto 0;
  background: linear-gradient(135deg, var(--primary), #123a6b 70%, rgba(0, 212, 162, 0.7));
  border-radius: 28px;
  padding: 64px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-wrap::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(0, 212, 162, 0.15);
}
.cta-wrap h2 { font-size: 34px; margin: 0 0 12px; font-weight: 800; position: relative; z-index: 1; }
.cta-wrap p { margin: 0 auto 30px; color: rgba(255, 255, 255, 0.82); max-width: 560px; position: relative; z-index: 1; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* Footer */
.site-footer {
  background: #0a1228;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer-brand .brand-mark {
  background: linear-gradient(135deg, #1b3260, #1b4a78);
}
.footer-brand .brand-text { color: #fff; font-size: 20px; font-weight: 800; }
.footer-brand p { margin: 8px 0 0; font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 700; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul a { color: rgba(255, 255, 255, 0.65); font-size: 14px; transition: all 0.3s; }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-col ul i { margin-right: 8px; color: rgba(255, 255, 255, 0.35); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* Responsive */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .faq-list { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 38px; }
}

@media (max-width: 768px) {
  :root { --spacer: 60px; }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-140%);
    transition: transform 0.35s ease;
    gap: 16px;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-actions { justify-content: center; }
  .nav-toggle { display: flex; }
  .page-banner { padding: 72px 0; }
  .page-banner h1 { font-size: 32px; }
  .banner-desc { font-size: 16px; }
  .section-header h2 { font-size: 28px; }
  .news-row { flex-direction: column; gap: 16px; }
  .news-date { width: 56px; height: 56px; }
  .cta-wrap { padding: 44px 24px; }
  .cta-wrap h2 { font-size: 26px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .stat-col { flex: 0 0 100%; max-width: 100%; }
  .category-col, .feature-col { flex: 0 0 100%; max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .rank-item { flex-wrap: wrap; gap: 12px; }
  .rank-heat { margin-left: auto; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
  .page-banner h1 { font-size: 27px; }
  .banner-desc { font-size: 15px; }
  .section-header h2 { font-size: 24px; }
  .badge-light { padding: 5px 12px; font-size: 12px; }
}

/* roulang page: category2 */
:root {
  --primary: #e62e2e;
  --primary-hover: #c92020;
  --primary-light: #ff6b5e;
  --secondary: #0d1117;
  --secondary-light: #161b22;
  --accent: #f5a623;
  --accent-light: #ffc94d;
  --bg-dark: #0a0e14;
  --bg-section: #f5f7fa;
  --bg-card: #141a24;
  --text-main: #e6e9ef;
  --text-body: #8b949e;
  --text-muted: #6b7280;
  --border-dark: #1e242e;
  --border-light: #e8ecf0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-1: 0 4px 20px rgba(0,0,0,0.25);
  --shadow-2: 0 8px 32px rgba(230,46,46,0.18);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg-dark);color:var(--text-main);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button,input,textarea{font-family:inherit;border:none;outline:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{padding-left:16px;padding-right:16px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(13,17,23,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:70px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 4px 14px rgba(230,46,46,.35);
}
.brand-text{
  font-size:20px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(90deg,#fff 30%,var(--primary-light));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.main-nav{
  display:flex;align-items:center;gap:28px;
}
.nav-list{
  display:flex;align-items:center;gap:24px;list-style:none;margin:0;
}
.nav-link{
  color:var(--text-body);font-size:15px;font-weight:500;
  padding:6px 2px;position:relative;
}
.nav-link::after{
  content:'';position:absolute;bottom:0;left:0;
  width:0;height:2px;background:var(--primary);
  transition:width .3s ease;border-radius:2px;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,
.nav-link.active::after{width:100%}
.nav-link.active{color:#fff}
.nav-actions{
  display:flex;align-items:center;gap:12px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 24px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:var(--transition);border:2px solid transparent;
}
.btn-sm{padding:6px 18px;font-size:13px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-hover));
  color:#fff;
  box-shadow:0 4px 14px rgba(230,46,46,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(230,46,46,.4);
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  border-color:rgba(255,255,255,.3);color:#fff;background:transparent;
}
.btn-outline:hover{
  border-color:var(--primary);color:var(--primary);
  background:rgba(230,46,46,.08);
}
.btn-outline-light{
  border-color:var(--primary);color:var(--primary);background:transparent;
}
.btn-outline-light:hover{
  background:var(--primary);color:#fff;
}
.btn-lg{padding:14px 36px;font-size:16px;border-radius:12px}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  padding:8px;flex-direction:column;gap:5px;
}
.nav-toggle span{
  width:22px;height:2px;background:#fff;border-radius:2px;
  transition:var(--transition);
}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== Hero ===== */
.page-hero{
  position:relative;min-height:520px;
  display:flex;align-items:center;
  background:linear-gradient(135deg,rgba(10,14,20,.95) 20%,rgba(20,26,36,.8)),
  url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:120px 0 80px;
  overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;top:-80px;right:-40px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,46,46,.35),transparent 70%);
  filter:blur(30px);
}
.page-hero::after{
  content:'';position:absolute;bottom:-30px;left:0;width:100%;height:60px;
  background:var(--bg-dark);transform:skewY(-2deg);
}
.hero-breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-body);margin-bottom:16px;
}
.hero-breadcrumb a,.hero-breadcrumb span{color:var(--text-body)}
.hero-breadcrumb a:hover{color:var(--accent)}
.hero-breadcrumb i{font-size:11px;color:var(--text-muted)}
.hero-title{
  font-size:52px;font-weight:900;line-height:1.1;margin-bottom:20px;
  letter-spacing:1px;
}
.hero-title .highlight{
  color:var(--primary);position:relative;
  text-shadow:0 0 40px rgba(230,46,46,.4);
}
.hero-subtitle{
  font-size:17px;color:var(--text-body);line-height:1.8;
  max-width:600px;margin-bottom:36px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(245,166,35,.12);
  border:1px solid rgba(245,166,35,.3);
  color:var(--accent);
  padding:6px 14px;border-radius:20px;font-size:13px;
  margin-bottom:18px;
}
.hero-badge i{font-size:12px}
.hero-actions{
  display:flex;gap:16px;flex-wrap:wrap;
}

/* ===== Sections ===== */
.section{
  padding:80px 0;
}
.section-label{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:13px;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;
  margin-bottom:12px;
}
.section-label::before{
  content:'';width:20px;height:2px;background:var(--primary);
  border-radius:2px;
}
.section-title{
  font-size:34px;font-weight:800;color:var(--text-main);
  margin-bottom:14px;line-height:1.2;
}
.section-desc{
  font-size:15px;color:var(--text-body);max-width:680px;
  line-height:1.8;margin-bottom:40px;
}
.section-title.light, .section-desc.light{color:var(--text-main)}
.section-title.light,.section-desc.light{color:var(--text-main)}

/* ===== Cards ===== */
.method-card{
  background:var(--bg-card);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
  height:100%;
  position:relative;
}
.method-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:var(--transition);
}
.method-card:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 36px rgba(0,0,0,.4);
  border-color:var(--primary);
}
.method-card:hover::before{opacity:1}
.method-card-img{
  height:200px;overflow:hidden;position:relative;
}
.method-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.method-card:hover .method-card-img img{transform:scale(1.08)}
.method-card-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,var(--bg-card),transparent 50%);
}
.method-card-body{padding:24px;position:relative;z-index:1;margin-top:-40px}
.method-icon{
  width:44px;height:44px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;margin-bottom:16px;
  box-shadow:0 4px 12px rgba(230,46,46,.3);
}
.method-card-body h3{
  font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;
}
.method-card-body p{
  font-size:14px;color:var(--text-body);line-height:1.7;margin:0;
}
.method-tag{
  display:inline-block;
  font-size:11px;color:var(--accent);
  background:rgba(245,166,35,.1);
  border:1px solid rgba(245,166,35,.2);
  padding:3px 10px;border-radius:12px;
  margin-bottom:12px;
}

/* ===== Stats ===== */
.stats-section{
  background:linear-gradient(135deg,rgba(10,14,20,.98),rgba(20,26,36,.95)),
  url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position:relative;
  padding:90px 0;
}
.stats-section::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,.4);
}
.stats-section .container{position:relative;z-index:2}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-item{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(8px);
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.stat-item::before{
  content:'';position:absolute;top:0;left:0;
  width:100%;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
}
.stat-item:hover{
  transform:translateY(-6px);
  border-color:rgba(230,46,46,.4);
  box-shadow:var(--shadow-2);
}
.stat-number{
  font-size:42px;font-weight:900;color:#fff;
  line-height:1.1;margin-bottom:8px;
  background:linear-gradient(90deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-label{
  font-size:14px;color:var(--text-body);
  letter-spacing:1px;
}
.stat-icon{
  font-size:22px;color:var(--primary-light);
  margin-bottom:14px;
}

/* ===== Process ===== */
.process-section{
  background:#0d1117;
  padding:90px 0;
}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;position:relative;
}
.process-grid::before{
  content:'';position:absolute;top:36px;left:60px;right:60px;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--primary));
  opacity:.3;
}
.process-step{
  position:relative;text-align:center;
  padding:20px 16px;
}
.process-num{
  width:72px;height:72px;border-radius:50%;
  background:var(--bg-card);
  border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
  font-size:24px;font-weight:900;color:var(--primary);
  box-shadow:0 0 0 6px rgba(230,46,46,.12);
  position:relative;z-index:1;
  transition:var(--transition);
}
.process-step:hover .process-num{
  box-shadow:0 0 0 10px rgba(230,46,46,.2),0 4px 20px rgba(230,46,46,.3);
  transform:scale(1.08);
}
.process-step h3{
  font-size:17px;font-weight:700;color:#fff;margin-bottom:10px;
}
.process-step p{
  font-size:13px;color:var(--text-body);line-height:1.6;margin:0;
}
.process-icon{
  display:block;font-size:20px;margin-bottom:6px;
}

/* ===== Etiquette ===== */
.etiquette-section{
  background:var(--bg-dark);
  padding:90px 0;
}
.etiquette-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.etiquette-item{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--bg-card);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-sm);
  padding:20px;
  transition:var(--transition);
}
.etiquette-item:hover{
  border-color:var(--primary);
  transform:translateX(4px);
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}
.etiquette-icon{
  width:40px;height:40px;border-radius:8px;
  background:rgba(230,46,46,.12);
  border:1px solid rgba(230,46,46,.2);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:16px;flex-shrink:0;
}
.etiquette-item p{
  font-size:14px;color:var(--text-body);line-height:1.6;margin:0;
}
.etiquette-item strong{
  display:block;color:#fff;font-size:15px;margin-bottom:4px;
}

/* ===== FAQ ===== */
.faq-section{
  background:#0d1117;
  padding:90px 0;
}
.accordion{
  max-width:800px;margin:0 auto;
  list-style:none;background:transparent;
}
.accordion-item{
  background:var(--bg-card);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-sm);
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--transition);
}
.accordion-item.is-active{border-color:var(--primary)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;
  font-size:15px;font-weight:600;color:#fff;
  cursor:pointer;
  background:transparent;
}
.accordion-title:hover{color:var(--accent)}
.accordion-title::after{
  content:'\f078';font-family:'Font Awesome 6 Free';
  font-weight:900;font-size:12px;color:var(--text-body);
  transition:transform .3s ease;
}
.accordion-item.is-active .accordion-title::after{
  transform:rotate(180deg);color:var(--primary);
}
.accordion-content{
  padding:0 24px 20px;
  font-size:14px;color:var(--text-body);line-height:1.8;
  display:none;
}
.accordion-item.is-active .accordion-content{display:block}

/* ===== CTA ===== */
.cta-section{
  position:relative;
  background:linear-gradient(135deg,rgba(230,46,46,.15),rgba(245,166,35,.1)),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:100px 0;
  text-align:center;
  overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background:rgba(10,14,20,.8);
}
.cta-section .container{position:relative;z-index:2}
.cta-title{
  font-size:38px;font-weight:900;color:#fff;
  margin-bottom:16px;
}
.cta-subtitle{
  font-size:16px;color:var(--text-body);max-width:600px;
  margin:0 auto 36px;line-height:1.7;
}
.cta-actions{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--secondary);
  border-top:1px solid rgba(255,255,255,.05);
  padding-top:60px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:40px;
}
.footer-brand{
  display:flex;flex-direction:column;gap:12px;
}
.footer-brand .brand-text{
  font-size:22px;font-weight:800;
  background:linear-gradient(90deg,#fff 30%,var(--primary-light));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.footer-brand p{
  font-size:14px;color:var(--text-body);line-height:1.7;margin:0;
  max-width:280px;
}
.footer-col h4{
  font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;bottom:0;left:0;
  width:28px;height:2px;background:var(--primary);
  border-radius:2px;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{
  margin-bottom:10px;font-size:14px;color:var(--text-body);
  transition:var(--transition);
}
.footer-col a{
  color:var(--text-body);transition:var(--transition);
}
.footer-col a:hover{
  color:var(--accent);padding-left:4px;
}
.footer-col .fa-envelope,.footer-col .fa-clock,.footer-col .fa-globe{
  color:var(--primary);margin-right:6px;font-size:13px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:20px 0;
  text-align:center;
}
.footer-bottom p{
  font-size:13px;color:var(--text-muted);margin:2px 0;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-title{font-size:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);
    gap:20px}
  .process-grid::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .header-inner{height:60px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:60px;left:0;width:100%;
    background:rgba(13,17,23,.98);
    flex-direction:column;
    padding:20px 24px 30px;
    transform:translateY(-130%);
    transition:transform .4s ease;
    box-shadow:0 20px 40px rgba(0,0,0,.4);
    z-index:999;
    backdrop-filter:blur(16px);
  }
  .main-nav.open{transform:translateY(0)}
  .nav-list{
    flex-direction:column;align-items:flex-start;
    width:100%;gap:14px;
  }
  .nav-link{font-size:16px;display:block;width:100%;padding:8px 0}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--primary);padding-left:8px;border-left:3px solid var(--primary)}
  .nav-actions{width:100%;margin-top:14px}
  .nav-actions .btn{width:100%}
  .page-hero{min-height:440px;padding:80px 0 60px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:15px}
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-number{font-size:30px}
  .process-grid{grid-template-columns:1fr 1fr}
  .etiquette-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-title{font-size:28px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .hero-title{font-size:27px}
  .hero-subtitle{font-size:14px}
  .brand-text{font-size:17px}
  .stats-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .method-card-img{height:160px}
  .stat-number{font-size:26px}
  .section-title{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
}