/* roulang page: index */
:root {
  --primary: #e8a832;
  --primary-dark: #c98a1e;
  --primary-light: #f5c55a;
  --secondary: #1a1e2e;
  --accent: #d4345a;
  --bg-dark: #0d0f16;
  --bg-card: #141824;
  --bg-card-hover: #1c2132;
  --bg-section: #0f121c;
  --text-main: #f0ece4;
  --text-muted: #8a8fa8;
  --text-light: #c8c4bc;
  --border-color: #2a2f42;
  --border-light: #3a3f52;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-hover: 0 16px 48px rgba(232,168,50,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-sans);background:var(--bg-dark);color:var(--text-main);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:960px}
.section{padding:80px 0}
.section-dark{background:var(--bg-section)}
.section-card{background:var(--bg-card)}
.section-title{font-size:2.4rem;font-weight:700;line-height:1.25;margin-bottom:16px;letter-spacing:-0.02em;color:var(--text-main)}
.section-subtitle{font-size:1.1rem;color:var(--text-muted);max-width:640px;margin:0 auto 48px;text-align:center;line-height:1.6}
.text-center{text-align:center}
.text-glow{text-shadow:0 0 40px rgba(232,168,50,0.3)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 32px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;line-height:1.4;border:2px solid transparent;cursor:pointer;transition:var(--transition);gap:8px;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--bg-dark);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--bg-dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(232,168,50,0.25)}
.btn-outline{background:transparent;color:var(--text-main);border-color:var(--border-light)}
.btn-outline:hover{background:var(--border-color);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-lg{padding:16px 40px;font-size:1.1rem;border-radius:var(--radius-lg)}
.badge{display:inline-block;padding:4px 14px;border-radius:var(--radius-sm);font-size:0.78rem;font-weight:600;letter-spacing:0.03em;background:var(--border-color);color:var(--text-light)}
.badge-primary{background:var(--primary);color:var(--bg-dark)}
.badge-accent{background:var(--accent);color:#fff}
.separator{width:60px;height:3px;background:var(--primary);border-radius:2px;margin:0 auto 20px}

/* Header & Nav */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,15,22,0.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border-color);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 24px;max-width:1200px;margin:0 auto}
.logo{font-size:1.5rem;font-weight:800;color:var(--primary);letter-spacing:-0.01em;display:flex;align-items:center;gap:10px}
.logo span{color:var(--text-main);font-weight:300}
.logo:hover{color:var(--primary-light)}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{display:flex;align-items:center;padding:8px 18px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;font-size:0.95rem;transition:var(--transition);position:relative}
.nav-list a:hover{color:var(--text-main);background:rgba(232,168,50,0.08)}
.nav-list a.active{color:var(--primary);background:rgba(232,168,50,0.12)}
.nav-list a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--primary);border-radius:1px}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--text-main);border-radius:2px;transition:var(--transition)}

/* Hero */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:100px 0 60px;background:var(--bg-dark)}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0.35;z-index:0;pointer-events:none}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(145deg,rgba(13,15,22,0.92) 30%,rgba(13,15,22,0.6) 70%,rgba(13,15,22,0.92) 100%);z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;padding:0 24px}
.hero-badge{display:inline-block;padding:6px 20px;border-radius:var(--radius-sm);background:rgba(232,168,50,0.15);border:1px solid rgba(232,168,50,0.25);color:var(--primary-light);font-size:0.85rem;font-weight:600;letter-spacing:0.06em;margin-bottom:24px;text-transform:uppercase}
.hero-title{font-size:3.6rem;font-weight:800;line-height:1.1;margin-bottom:20px;letter-spacing:-0.03em;color:#fff}
.hero-title .highlight{color:var(--primary);text-shadow:0 0 50px rgba(232,168,50,0.25)}
.hero-desc{font-size:1.2rem;color:var(--text-light);max-width:600px;margin:0 auto 36px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.hero-actions .btn{min-width:160px}

/* Intro Section */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.intro-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.intro-image img{width:100%;height:auto;display:block;transition:var(--transition)}
.intro-image:hover img{transform:scale(1.03)}
.intro-image::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg, rgba(232,168,50,0.1), transparent 60%);pointer-events:none}
.intro-text h2{font-size:2rem;font-weight:700;margin-bottom:16px;line-height:1.3}
.intro-text p{color:var(--text-light);margin-bottom:16px;font-size:1.05rem;line-height:1.7}
.intro-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.intro-tags .badge{font-size:0.85rem;padding:6px 16px}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:36px 28px;transition:var(--transition);position:relative;overflow:hidden}
.feature-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)}
.feature-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:var(--radius-md);background:rgba(232,168,50,0.1);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.6rem;color:var(--primary)}
.feature-card h3{font-size:1.25rem;font-weight:700;margin-bottom:10px;color:var(--text-main)}
.feature-card p{color:var(--text-muted);font-size:0.95rem;line-height:1.6}

/* Categories */
.categories-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-color);transition:var(--transition);aspect-ratio:16/10;display:flex;align-items:flex-end}
.category-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0.55;transition:var(--transition)}
.category-card:hover img{opacity:0.7;transform:scale(1.05)}
.category-card-overlay{position:relative;z-index:2;padding:28px 24px;background:linear-gradient(0deg, rgba(13,15,22,0.95) 40%, transparent);width:100%}
.category-card-overlay h3{font-size:1.3rem;font-weight:700;color:#fff;margin-bottom:6px}
.category-card-overlay p{color:var(--text-light);font-size:0.9rem;margin-bottom:10px}
.category-card-overlay .badge{background:rgba(232,168,50,0.2);color:var(--primary-light);border:1px solid rgba(232,168,50,0.15)}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary)}

/* News / CMS List */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.news-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-light)}
.news-card-image{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden}
.news-card-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-card-image img{transform:scale(1.05)}
.news-card-body{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column}
.news-card-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:0.82rem;color:var(--text-muted)}
.news-card-meta .badge{font-size:0.72rem}
.news-card-body h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;line-height:1.4;color:var(--text-main)}
.news-card-body h3 a{color:inherit}
.news-card-body h3 a:hover{color:var(--primary)}
.news-card-body p{color:var(--text-muted);font-size:0.92rem;line-height:1.6;flex:1}
.news-card-body .read-more{margin-top:14px;color:var(--primary);font-weight:600;font-size:0.9rem;display:flex;align-items:center;gap:6px}
.news-card-body .read-more:hover{gap:12px}
.news-empty{padding:60px 20px;text-align:center;color:var(--text-muted);grid-column:1/-1;font-size:1.05rem;background:var(--bg-card);border-radius:var(--radius-lg);border:1px dashed var(--border-color)}

/* Stats */
.stats-section{background:linear-gradient(145deg,var(--bg-card),var(--bg-section));border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:12px 0}
.stat-item{text-align:center;padding:20px 12px}
.stat-number{font-size:2.8rem;font-weight:800;color:var(--primary);line-height:1.1;margin-bottom:6px;letter-spacing:-0.02em}
.stat-label{font-size:0.95rem;color:var(--text-muted);font-weight:500}

/* Process / Steps */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-step{text-align:center;position:relative}
.process-step::after{content:'→';position:absolute;top:28px;right:-18px;font-size:1.5rem;color:var(--primary);opacity:0.5}
.process-step:last-child::after{display:none}
.step-number{width:56px;height:56px;border-radius:50%;background:var(--primary);color:var(--bg-dark);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;margin:0 auto 16px;box-shadow:0 0 30px rgba(232,168,50,0.2)}
.process-step h4{font-size:1.1rem;font-weight:700;margin-bottom:6px;color:var(--text-main)}
.process-step p{font-size:0.9rem;color:var(--text-muted);max-width:200px;margin:0 auto}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border-light)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:none;border:none;color:var(--text-main);font-size:1.05rem;font-weight:600;cursor:pointer;text-align:left;gap:16px;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question .icon{font-size:1.3rem;color:var(--primary);transition:var(--transition);flex-shrink:0}
.faq-answer{padding:0 24px 18px;color:var(--text-light);font-size:0.95rem;line-height:1.7;display:none}
.faq-item.active .faq-answer{display:block}
.faq-item.active .faq-question .icon{transform:rotate(45deg)}

/* CTA */
.cta-section{position:relative;overflow:hidden;padding:100px 0}
.cta-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0.2;z-index:0;pointer-events:none}
.cta-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(13,15,22,0.95) 30%,rgba(20,24,36,0.85) 70%,rgba(13,15,22,0.95) 100%);z-index:1}
.cta-content{position:relative;z-index:2;text-align:center;max-width:700px;margin:0 auto}
.cta-content h2{font-size:2.4rem;font-weight:800;margin-bottom:16px;color:#fff}
.cta-content p{font-size:1.1rem;color:var(--text-light);margin-bottom:32px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* Footer */
.site-footer{background:var(--bg-dark);border-top:1px solid var(--border-color);padding:56px 0 32px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{margin-bottom:12px;font-size:1.3rem}
.footer-brand p{color:var(--text-muted);font-size:0.9rem;max-width:320px;line-height:1.6}
.footer-col h4{font-size:0.95rem;font-weight:700;color:var(--text-main);margin-bottom:14px;letter-spacing:0.02em}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--text-muted);font-size:0.9rem;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border-color);font-size:0.85rem;color:var(--text-muted);gap:12px}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{color:var(--text-muted);font-size:0.85rem}
.footer-bottom-links a:hover{color:var(--primary)}

/* Mobile Nav */
@media(max-width:1024px){
  .intro-grid{grid-template-columns:1fr;gap:40px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .process-step::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-list{display:none;position:absolute;top:68px;left:0;width:100%;background:rgba(13,15,22,0.98);backdrop-filter:blur(18px);flex-direction:column;padding:16px 24px;gap:4px;border-bottom:1px solid var(--border-color)}
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 16px;width:100%;justify-content:center}
  .nav-toggle{display:flex}
  .hero-title{font-size:2.4rem}
  .hero-desc{font-size:1rem}
  .section-title{font-size:1.8rem}
  .section{padding:56px 0}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .features-grid{grid-template-columns:1fr}
  .categories-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr;gap:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-number{font-size:2rem}
  .footer-inner{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-content h2{font-size:1.8rem}
  .hero{min-height:70vh;padding:80px 0 40px}
}
@media(max-width:520px){
  .hero-title{font-size:1.8rem}
  .hero-actions{flex-direction:column;align-items:center}
  .hero-actions .btn{width:100%;max-width:280px}
  .section-title{font-size:1.5rem}
  .container{padding:0 16px}
  .stat-number{font-size:1.6rem}
  .footer-bottom-links{flex-wrap:wrap;justify-content:center}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #f9d6a3;
            --bg-dark: #0f1a2e;
            --bg-mid: #1a2a44;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-mid: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-glow: 0 0 30px rgba(230,57,70,0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-light);
            padding-top: var(--header-height);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-dark); }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 26, 46, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 26, 46, 0.98);
            box-shadow: 0 4px 30px rgba(0,0,0,0.3);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .logo span {
            color: var(--primary);
            font-weight: 700;
        }
        .logo:hover { color: var(--text-white); opacity: 0.9; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li a {
            display: block;
            padding: 10px 20px;
            color: rgba(255,255,255,0.75);
            font-weight: 500;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-list li a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-list li a:hover::after { transform: translateX(-50%) scaleX(1); }
        .nav-list li a.active {
            color: var(--text-white);
            background: rgba(230,57,70,0.15);
        }
        .nav-list li a.active::after { transform: translateX(-50%) scaleX(1); }

        /* 移动端汉堡 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 42px;
            height: 42px;
            background: rgba(255,255,255,0.08);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            gap: 5px;
            padding: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.14); }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-white);
            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); }

        /* 移动端菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15, 26, 46, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 20px 24px 32px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            z-index: 999;
            transform: translateY(-10px);
            opacity: 0;
            transition: var(--transition);
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu ul li a {
            display: block;
            padding: 14px 20px;
            color: rgba(255,255,255,0.75);
            font-weight: 500;
            font-size: 17px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu ul li a:hover,
        .mobile-menu ul li a.active {
            color: var(--text-white);
            background: rgba(230,57,70,0.15);
        }

        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: flex; }
            .mobile-menu { display: block; }
            .header-inner { padding: 0 16px; }
        }
        @media (min-width: 769px) {
            .mobile-menu { display: none !important; }
        }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.92) 0%, rgba(26,42,68,0.80) 50%, rgba(15,26,46,0.70) 100%);
            z-index: 1;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
            z-index: 2;
        }
        .article-banner .container {
            position: relative;
            z-index: 3;
        }
        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            margin-bottom: 24px;
        }
        .article-banner .breadcrumb a {
            color: rgba(255,255,255,0.65);
            transition: var(--transition);
        }
        .article-banner .breadcrumb a:hover { color: var(--primary-light); }
        .article-banner .breadcrumb i { font-size: 12px; }
        .article-banner .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-bottom: 20px;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
        }
        .article-banner .post-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-banner .post-meta i { color: var(--primary); }
        .article-banner .post-meta .category-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(230,57,70,0.2);
            border: 1px solid rgba(230,57,70,0.3);
            border-radius: 20px;
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
        }
        .article-banner h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-white);
            max-width: 900px;
            line-height: 1.25;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        @media (max-width: 768px) {
            .article-banner { padding: 60px 0 40px; }
            .article-banner h1 { font-size: 28px; }
            .article-banner .post-meta { gap: 12px; font-size: 13px; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 22px; }
        }

        /* ===== 文章正文 ===== */
        .article-main {
            padding: 50px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-content .post-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-mid);
        }
        .article-content .post-body p {
            margin-bottom: 24px;
        }
        .article-content .post-body h2 {
            font-size: 26px;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .article-content .post-body h3 {
            font-size: 20px;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .article-content .post-body ul, 
        .article-content .post-body ol {
            margin-bottom: 24px;
            padding-left: 24px;
            list-style: disc;
        }
        .article-content .post-body li {
            margin-bottom: 8px;
        }
        .article-content .post-body img {
            border-radius: var(--radius-md);
            margin: 28px auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content .post-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230,57,70,0.05);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-mid);
            font-style: italic;
        }
        .article-content .post-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content .post-body a:hover { color: var(--primary-dark); }

        .article-content .post-footer {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-content .post-footer .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-content .post-footer .tags span {
            display: inline-block;
            padding: 4px 14px;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-light);
        }
        .article-content .post-footer .share {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .article-content .post-footer .share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-mid);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-content .post-footer .share a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        /* 侧边栏 */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            color: var(--text-dark);
        }
        .sidebar-card ul li {
            margin-bottom: 2px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-mid);
            font-size: 15px;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .sidebar-card ul li a i {
            color: var(--primary);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .sidebar-card .sidebar-cta {
            display: block;
            text-align: center;
            padding: 12px 20px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            margin-top: 16px;
            transition: var(--transition);
        }
        .sidebar-card .sidebar-cta:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .article-content { padding: 28px 20px 36px; }
            .article-content .post-body { font-size: 16px; }
            .article-content .post-body h2 { font-size: 22px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .article-content { padding: 24px 16px 32px; }
            .article-content .post-body { font-size: 15px; }
            .article-content .post-body h2 { font-size: 20px; }
            .article-content .post-footer { flex-direction: column; align-items: flex-start; }
        }

        /* ===== 未找到文章 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .not-found-box i {
            font-size: 60px;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 16px;
            color: var(--text-dark);
        }
        .not-found-box p {
            color: var(--text-mid);
            margin-bottom: 24px;
            font-size: 17px;
        }
        .not-found-box .btn-home {
            display: inline-block;
            padding: 14px 36px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
        }
        .related-section h2 {
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            color: var(--text-dark);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card .related-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        .related-card .related-body {
            padding: 20px 20px 24px;
        }
        .related-card .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .related-body h3 a {
            color: var(--text-dark);
        }
        .related-card .related-body h3 a:hover { color: var(--primary); }
        .related-card .related-body p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-body .related-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section h2 { font-size: 22px; }
        }

        /* ===== CTA 区块 ===== */
        .article-cta {
            padding: 60px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.88) 0%, rgba(26,42,68,0.78) 100%);
        }
        .article-cta .container { position: relative; z-index: 1; text-align: center; }
        .article-cta h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .article-cta p {
            font-size: 18px;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .article-cta .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-cta .cta-btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
        }
        .article-cta .cta-btn.primary {
            background: var(--primary);
            color: var(--text-white);
        }
        .article-cta .cta-btn.primary:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }
        .article-cta .cta-btn.outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.3);
        }
        .article-cta .cta-btn.outline:hover {
            border-color: var(--primary);
            background: rgba(230,57,70,0.15);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .article-cta h2 { font-size: 26px; }
            .article-cta p { font-size: 16px; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo { font-size: 24px; margin-bottom: 16px; }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom-links { display: flex; gap: 20px; }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.4);
            font-size: 13px;
        }
        .footer-bottom-links a:hover { color: var(--primary-light); }
        @media (max-width: 768px) {
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-brand p { max-width: 100%; }
        }
        @media (max-width: 520px) {
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 通用辅助 ===== */
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e8b830;
            --primary-dark: #c89a1e;
            --primary-light: #f5d85e;
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4a;
            --accent: #e85d30;
            --bg-dark: #0b0b14;
            --bg-card: #12121f;
            --bg-section: #0f0f1a;
            --bg-section-alt: #14142a;
            --text-primary: #f0ece4;
            --text-secondary: #b8b0a4;
            --text-muted: #7a7266;
            --border-color: #2a2a40;
            --border-light: #3a3a55;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 56px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(232, 184, 48, 0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-display: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 32px;
            --space-lg: 56px;
            --space-xl: 80px;
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            min-height: 100vh;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 11, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition), border-color var(--transition);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span {
            color: var(--primary);
            font-weight: 700;
        }
        .logo:hover {
            color: var(--primary-light);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .nav-list li a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: background var(--transition), color var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--text-primary);
            background: rgba(232, 184, 48, 0.08);
        }
        .nav-list li a.active {
            color: var(--primary);
            background: rgba(232, 184, 48, 0.12);
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        /* ===== Mobile Nav ===== */
        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(11, 11, 20, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 0;
                padding: var(--space-sm) 0;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.4s ease, opacity 0.4s ease;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li {
                width: 100%;
                text-align: center;
            }
            .nav-list li a {
                display: block;
                padding: 14px 20px;
                font-size: 1.05rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }
            .nav-list li a.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Hero / Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg-section);
            overflow: hidden;
            isolation: isolate;
        }
        .page-banner .bg-layer {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
            transform: scale(1.05);
        }
        .page-banner .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 11, 20, 0.88) 0%, rgba(11, 11, 20, 0.6) 70%, rgba(11, 11, 20, 0.88) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: var(--space-sm);
            color: var(--text-primary);
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .page-banner h1 span {
            color: var(--primary);
        }
        .page-banner p {
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto var(--space-md);
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: var(--space-xs);
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: var(--space-sm);
        }
        .page-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-banner .breadcrumb .sep {
            color: var(--text-muted);
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--space-xl) 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: var(--space-xs);
            letter-spacing: -0.5px;
        }
        .section-title span {
            color: var(--primary);
        }
        .section-sub {
            text-align: center;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto var(--space-lg);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            border-color: var(--border-light);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img {
            transform: scale(1.03);
        }
        .card .card-body {
            padding: var(--space-sm) var(--space-sm) var(--space-md);
        }
        .card .card-tag {
            display: inline-block;
            background: rgba(232, 184, 48, 0.15);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            margin-bottom: var(--space-xs);
        }
        .card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .card:hover .card-title {
            color: var(--primary-light);
        }
        .card .card-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: var(--space-xs);
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: var(--space-xs);
        }
        .card .card-meta i {
            margin-right: 4px;
        }

        /* ===== Guide Feature / 图文区块 ===== */
        .guide-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        .guide-feature.reversed {
            direction: rtl;
        }
        .guide-feature.reversed>* {
            direction: ltr;
        }
        .guide-feature .feature-img {
            border-radius: var(--radius-lg);
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            box-shadow: var(--shadow-md);
            transition: transform 0.5s ease, box-shadow var(--transition);
        }
        .guide-feature .feature-img:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .guide-feature .feature-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text-primary);
        }
        .guide-feature .feature-content h3 span {
            color: var(--primary);
        }
        .guide-feature .feature-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-sm);
        }
        .guide-feature .feature-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }
        .guide-feature .feature-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .guide-feature .feature-content .feature-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 820px) {
            .guide-feature {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .guide-feature.reversed {
                direction: ltr;
            }
            .guide-feature .feature-img {
                aspect-ratio: 16 / 9;
            }
        }

        /* ===== Stats / 数据块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: var(--space-md);
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--space-md) var(--space-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: var(--space-sm) var(--space-md);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-sm);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            background: rgba(232, 184, 48, 0.04);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 var(--space-md);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-md) var(--space-md);
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-box .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-box h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text-primary);
        }
        .cta-box h3 span {
            color: var(--primary);
        }
        .cta-box p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto var(--space-md);
            font-size: 1.05rem;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--space-sm);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #0b0b14;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #0b0b14;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 184, 48, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-light);
        }
        .btn-outline:hover {
            background: rgba(232, 184, 48, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }

        /* ===== Tags ===== */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }
        .tag {
            display: inline-block;
            background: rgba(232, 184, 48, 0.10);
            color: var(--text-secondary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }
        .tag:hover {
            background: rgba(232, 184, 48, 0.20);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: var(--space-lg) 0 var(--space-md);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: var(--space-xs);
            display: inline-block;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: var(--space-xs);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-sm);
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        @media (max-width: 820px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive General ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-lg) 0;
            }
            .page-banner {
                padding: 110px 0 56px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== Smooth reveal / extras ===== */
        .text-primary {
            color: var(--primary);
        }
        .text-center {
            text-align: center;
        }
        .mt-sm {
            margin-top: var(--space-sm);
        }
        .mt-md {
            margin-top: var(--space-md);
        }
        .mb-sm {
            margin-bottom: var(--space-sm);
        }
        .mb-md {
            margin-bottom: var(--space-md);
        }
        .gap-sm {
            gap: var(--space-sm);
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* ===== Section Divider ===== */
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0 auto var(--space-md);
        }