/* roulang page: index */
:root {
  --primary: #1a1a2e;
  --primary-light: #2d2d5e;
  --secondary: #e94560;
  --accent: #ffd700;
  --accent-light: #ffe44d;
  --bg: #f4f6f9;
  --bg-white: #ffffff;
  --bg-dark: #0f0f23;
  --text: #2d3436;
  --text-light: #636e72;
  --text-white: #ffffff;
  --border: #e1e5eb;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-title{font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:12px;letter-spacing:-0.5px}
.section-subtitle{font-size:1.05rem;color:var(--text-light);max-width:640px;margin:0 auto;line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;cursor:pointer;transition:var(--transition);border:2px solid transparent;white-space:nowrap}
.btn-primary{background:var(--secondary);color:#fff;border-color:var(--secondary)}
.btn-primary:hover{background:#d63850;border-color:#d63850;transform:translateY(-2px);box-shadow:0 8px 25px rgba(233,69,96,0.35)}
.btn-secondary{background:var(--accent);color:var(--primary);border-color:var(--accent)}
.btn-secondary:hover{background:#f0c800;border-color:#f0c800;transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,215,0,0.4)}
.btn-outline{background:transparent;color:var(--text-white);border-color:rgba(255,255,255,0.6)}
.btn-outline:hover{background:rgba(255,255,255,0.15);border-color:#fff;transform:translateY(-2px)}
.btn-lg{padding:16px 40px;font-size:1.1rem;border-radius:var(--radius)}
.badge{display:inline-block;padding:4px 14px;border-radius:50px;font-size:0.8rem;font-weight:600;background:rgba(233,69,96,0.12);color:var(--secondary)}
.badge-gold{background:rgba(255,215,0,0.18);color:#b8860b}
.tag{display:inline-block;padding:4px 12px;border-radius:var(--radius-sm);font-size:0.78rem;font-weight:500;background:var(--bg);color:var(--text-light);transition:var(--transition)}
.tag:hover{background:var(--secondary);color:#fff}
.card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.card-img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.card-body{padding:20px 24px 24px}
.card-title{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:8px;line-height:1.4}
.card-text{font-size:0.92rem;color:var(--text-light);line-height:1.7;margin-bottom:12px}
.card-meta{display:flex;align-items:center;gap:12px;font-size:0.82rem;color:var(--text-light)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--border);z-index:1000;border-bottom:1px solid rgba(0,0,0,0.04)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:900;color:var(--primary);letter-spacing:-0.5px}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--secondary),var(--accent));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;font-weight:900}
.nav{display:flex;align-items:center;gap:32px}
.nav-link{font-size:0.95rem;font-weight:500;color:var(--text-light);position:relative;padding:4px 0;transition:var(--transition)}
.nav-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--secondary);transition:var(--transition);border-radius:2px}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--secondary);font-weight:600}
.nav-link.active::after{width:100%;background:var(--secondary)}
.header-actions{display:flex;align-items:center;gap:16px}
.search-box{display:flex;align-items:center;background:var(--bg);border-radius:50px;padding:6px 16px;border:1px solid transparent;transition:var(--transition);width:200px}
.search-box:focus-within{border-color:var(--secondary);background:#fff;box-shadow:0 0 0 3px rgba(233,69,96,0.1)}
.search-box input{background:transparent;border:none;outline:none;padding:6px 0;font-size:0.88rem;color:var(--text);width:100%}
.search-box input::placeholder{color:var(--text-light)}
.search-box .search-icon{color:var(--text-light);font-size:0.9rem;margin-right:8px}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--primary);border-radius:2px;transition:var(--transition)}

/* ===== Hero ===== */
.hero{position:relative;margin-top:var(--nav-height);min-height:85vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--bg-dark)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;opacity:0.45;filter:brightness(0.6)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,0.85) 0%,rgba(233,69,96,0.35) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:40px 20px}
.hero-badge{display:inline-block;padding:6px 20px;border-radius:50px;background:rgba(255,215,0,0.2);color:var(--accent);font-size:0.85rem;font-weight:600;margin-bottom:24px;border:1px solid rgba(255,215,0,0.3)}
.hero-title{font-size:3.2rem;font-weight:900;color:var(--text-white);line-height:1.15;margin-bottom:20px;letter-spacing:-1px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero-title span{background:linear-gradient(135deg,var(--accent),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.15rem;color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto 36px;line-height:1.8}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== Features ===== */
.features{background:var(--bg-white)}
.feature-card{text-align:center;padding:32px 24px;background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.feature-icon{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 20px;color:#fff}
.feature-icon.purple{background:linear-gradient(135deg,#667eea,#764ba2)}
.feature-icon.red{background:linear-gradient(135deg,var(--secondary),#f093fb)}
.feature-icon.gold{background:linear-gradient(135deg,var(--accent),#f5af19)}
.feature-card h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-card p{font-size:0.92rem;color:var(--text-light);line-height:1.7}

/* ===== Categories ===== */
.categories{background:var(--bg)}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer;aspect-ratio:4/3}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.cat-card:hover img{transform:scale(1.08)}
.cat-card .cat-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(26,26,46,0.85) 0%,rgba(26,26,46,0.15) 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px;transition:var(--transition)}
.cat-card:hover .cat-overlay{background:linear-gradient(0deg,rgba(233,69,96,0.8) 0%,rgba(26,26,46,0.3) 70%)}
.cat-card .cat-name{font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:4px}
.cat-card .cat-count{font-size:0.85rem;color:rgba(255,255,255,0.8)}

/* ===== Latest News (CMS) ===== */
.latest-news{background:var(--bg-white)}
.news-card{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);transition:var(--transition)}
.news-card:last-child{border-bottom:none}
.news-card:hover{transform:translateX(6px)}
.news-thumb{width:160px;min-height:100px;border-radius:var(--radius-sm);overflow:flex-shrink:0;background:var(--bg)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-info{flex:1;display:flex;flex-direction:column;justify-content:center}
.news-info .news-cat{display:inline-block;padding:2px 12px;border-radius:50px;font-size:0.75rem;font-weight:600;background:rgba(233,69,96,0.1);color:var(--secondary);margin-bottom:8px;align-self:flex-start}
.news-info h3{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:6px;line-height:1.4}
.news-info p{font-size:0.88rem;color:var(--text-light);line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-info .news-meta{display:flex;align-items:center;gap:16px;font-size:0.8rem;color:var(--text-light)}
.news-empty{padding:40px;text-align:center;color:var(--text-light);font-size:1rem;background:var(--bg);border-radius:var(--radius)}

/* ===== Stats ===== */
.stats{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);position:relative;overflow:hidden}
.stats::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;opacity:0.08}
.stat-item{text-align:center;padding:24px 16px;position:relative;z-index:1}
.stat-number{font-size:2.8rem;font-weight:900;color:var(--accent);margin-bottom:4px;line-height:1.1}
.stat-label{font-size:0.95rem;color:rgba(255,255,255,0.8)}
.stats .section-title{color:#fff}
.stats .section-subtitle{color:rgba(255,255,255,0.7)}

/* ===== Testimonials ===== */
.testimonials{background:var(--bg)}
.testimonial-card{background:var(--bg-white);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.testimonial-stars{color:var(--accent);font-size:1.1rem;margin-bottom:12px;letter-spacing:2px}
.testimonial-text{font-size:0.92rem;color:var(--text-light);line-height:1.8;margin-bottom:16px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.testimonial-name{font-weight:700;color:var(--primary);font-size:0.92rem}
.testimonial-role{font-size:0.8rem;color:var(--text-light)}

/* ===== FAQ ===== */
.faq{background:var(--bg-white)}
.faq-item{border-bottom:1px solid var(--border);padding:20px 0;cursor:pointer}
.faq-item:first-child{padding-top:0}
.faq-question{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;color:var(--primary);gap:16px}
.faq-question .faq-icon{font-size:1.2rem;color:var(--secondary);transition:var(--transition);flex-shrink:0}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding-top:0;color:var(--text-light);font-size:0.92rem;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding-top:14px}
.faq-item.active .faq-icon{transform:rotate(45deg)}

/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center center / cover no-repeat;opacity:0.08}
.cta-content{position:relative;z-index:1;text-align:center;padding:60px 0}
.cta-content h2{font-size:2rem;font-weight:800;color:#fff;margin-bottom:12px}
.cta-content p{font-size:1.05rem;color:rgba(255,255,255,0.85);margin-bottom:32px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-content .btn-secondary{font-size:1.05rem;padding:16px 44px}
.cta-content .btn-outline{margin-left:12px}

/* ===== Footer ===== */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.8);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand p{font-size:0.88rem;line-height:1.8;color:rgba(255,255,255,0.6);max-width:320px}
.footer h4{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:16px}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:0.88rem;color:rgba(255,255,255,0.6);transition:var(--transition)}
.footer ul li a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:20px;text-align:center;font-size:0.84rem;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5);margin:0 8px}
.footer-bottom a:hover{color:var(--accent)}

/* ===== Article Detail ===== */
.article-detail{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);padding:40px;max-width:860px;margin:0 auto}
.article-detail .article-header{margin-bottom:28px}
.article-detail .article-category{display:inline-block;padding:4px 16px;border-radius:50px;font-size:0.82rem;font-weight:600;background:rgba(233,69,96,0.1);color:var(--secondary);margin-bottom:12px}
.article-detail h1{font-size:2rem;font-weight:800;color:var(--primary);line-height:1.3;margin-bottom:12px}
.article-detail .article-meta{display:flex;align-items:center;gap:20px;font-size:0.88rem;color:var(--text-light);flex-wrap:wrap}
.article-detail .article-body{font-size:1.02rem;line-height:1.9;color:var(--text)}
.article-detail .article-body p{margin-bottom:18px}
.article-detail .article-body img{border-radius:var(--radius-sm);margin:24px 0}
.article-detail .article-body h2,.article-detail .article-body h3{margin-top:28px;margin-bottom:12px;color:var(--primary)}
.article-not-found{text-align:center;padding:60px 20px;background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow)}
.article-not-found h2{font-size:1.6rem;color:var(--primary);margin-bottom:12px}
.article-not-found p{color:var(--text-light);margin-bottom:24px}
.article-not-found .btn{margin-top:8px}

/* ===== Category Banner ===== */
.category-banner{position:relative;margin-top:var(--nav-height);padding:80px 0;background:var(--bg-dark);overflow:hidden}
.category-banner .cat-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;opacity:0.3;filter:brightness(0.5)}
.category-banner .cat-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,0.9) 0%,rgba(233,69,96,0.3) 100%)}
.category-banner .container{position:relative;z-index:2;text-align:center}
.category-banner h1{font-size:2.6rem;font-weight:900;color:#fff;margin-bottom:12px}
.category-banner p{font-size:1.1rem;color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);gap:20px}
  .grid-6{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-title{font-size:2.6rem}
}
@media(max-width:768px){
  .section{padding:56px 0}
  .section-title{font-size:1.6rem}
  .grid-3{grid-template-columns:repeat(2,1fr);gap:20px}
  .grid-2{grid-template-columns:1fr;gap:20px}
  .hero-title{font-size:2rem}
  .hero-subtitle{font-size:1rem}
  .hero-actions{flex-direction:column;gap:12px}
  .nav{display:none;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--bg-white);flex-direction:column;padding:16px 24px;gap:12px;box-shadow:0 8px 32px rgba(0,0,0,0.12);border-top:1px solid var(--border)}
  .nav.open{display:flex}
  .nav-link{padding:10px 0}
  .mobile-toggle{display:flex}
  .search-box{width:150px}
  .header-actions .btn{display:none}
  .header-actions .btn-mobile{display:inline-flex;padding:8px 16px;font-size:0.85rem}
  .news-card{flex-direction:column;gap:12px}
  .news-thumb{width:100%;height:140px}
  .stats .grid-4{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-number{font-size:2rem}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand p{max-width:100%}
  .cat-card{aspect-ratio:3/2}
  .category-banner h1{font-size:1.8rem}
  .article-detail{padding:24px 16px}
  .article-detail h1{font-size:1.4rem}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .section-title{font-size:1.35rem}
  .grid-3,.grid-4,.grid-6{grid-template-columns:1fr;gap:16px}
  .hero-title{font-size:1.6rem}
  .hero-subtitle{font-size:0.92rem}
  .hero{padding:60px 0}
  .search-box{width:120px}
  .stat-number{font-size:1.6rem}
  .btn-lg{padding:14px 28px;font-size:0.95rem}
  .cta-content h2{font-size:1.3rem}
  .cta-content p{font-size:0.92rem}
  .category-banner h1{font-size:1.4rem}
  .category-banner p{font-size:0.92rem}
}
@media(min-width:769px){
  .btn-mobile{display:none}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4F46E5;
            --primary-dark: #4338CA;
            --primary-light: #818CF8;
            --primary-bg: #EEF2FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --accent-light: #FDE68A;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-dark: #0F172A;
            --bg-dark-soft: #1E293B;
            --text: #1E293B;
            --text-light: #64748B;
            --text-white: #FFFFFF;
            --text-muted: #94A3B8;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        button,input,textarea,select { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul,ol { list-style: none; }
        h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.25rem; }
        h2 { font-size: 1.75rem; }
        h3 { font-size: 1.25rem; }
        h4 { font-size: 1.125rem; }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.75rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.125rem; }
        }

        /* ===== Header / Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .logo:hover { color: var(--text); }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text);
            outline: none;
            width: 140px;
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button {
            color: var(--text-light);
            padding: 8px 4px;
            transition: color var(--transition);
        }
        .search-box button:hover { color: var(--primary); }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(79,70,229,0.35);
        }
        .btn-cta i { font-size: 0.85rem; }
        .menu-toggle {
            display: none;
            padding: 8px;
            color: var(--text);
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav { display: none; }
            .nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px;
                gap: 4px;
                z-index: 99;
            }
            .nav.open .nav-link { padding: 12px 16px; width: 100%; }
            .nav.open .nav-link.active::after { display: none; }
            .menu-toggle { display: block; }
            .search-box input { width: 100px; }
            .btn-cta span { display: none; }
        }

        /* ===== 文章页 ===== */
        .article-page {
            padding: 48px 0 64px;
            background: var(--bg);
        }
        .article-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--text-muted); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--text); font-weight: 500; }
        .article-header {
            margin-bottom: 32px;
        }
        .article-header .category-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; font-size: 0.85rem; }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
        }
        .article-cover {
            margin: 32px 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 16/9;
            background: var(--bg-alt);
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-cover:hover img { transform: scale(1.02); }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 1.25rem;
            color: var(--text);
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        .article-content ul li { list-style: disc; }
        .article-content ol li { list-style: decimal; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            margin: 1.5rem 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover { color: var(--primary-dark); }
        .article-footer-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            margin-top: 32px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags .tag {
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            background: var(--bg-alt);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary-bg);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-share span { font-size: 0.85rem; color: var(--text-light); }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i {
            font-size: 3.5rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.75rem;
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found .btn-back:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79,70,229,0.35);
        }
        @media (max-width: 768px) {
            .article-page { padding: 32px 0 48px; }
            .article-header h1 { font-size: 1.65rem; }
            .article-content { font-size: 0.98rem; }
            .article-meta { gap: 12px; font-size: 0.82rem; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 64px 0;
            background: var(--bg-alt);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.75rem;
            font-weight: 700;
        }
        .related-section .section-title p {
            color: var(--text-light);
            margin-top: 8px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .related-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body {
            padding: 16px 20px 20px;
        }
        .related-card .card-body .card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h3 a { color: var(--text); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .related-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
        }
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .cta-section .cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: var(--bg-dark);
            transition: all var(--transition);
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-dark);
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245,158,11,0.4);
        }
        .cta-section .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255,255,255,0.3);
            transition: all var(--transition);
        }
        .cta-section .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.6);
            color: #fff;
        }
        @media (max-width: 768px) {
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .btn-primary,
            .cta-section .btn-outline { padding: 12px 28px; font-size: 0.9rem; }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo .logo-icon {
            background: var(--accent);
            color: var(--bg-dark);
        }
        .footer-brand p {
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer ul li { margin-bottom: 10px; }
        .footer ul li a {
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer ul li a:hover { color: var(--accent); }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        /* ===== 通用工具 ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }

        /* ===== 响应式微调 ===== */
        @media (max-width: 480px) {
            .article-header h1 { font-size: 1.35rem; }
            .breadcrumb { font-size: 0.78rem; }
            .related-section .section-title h2 { font-size: 1.35rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #ff6a00;
            --primary-dark: #e05a00;
            --primary-light: #ff8c38;
            --primary-bg: #fff4eb;
            --secondary: #2d2d8a;
            --secondary-light: #3d3daa;
            --accent: #00c9a7;
            --accent-dark: #00a88a;
            --bg: #ffffff;
            --bg-alt: #f7f8fc;
            --bg-dark: #1a1a2e;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f0f5;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }

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

        /* ===== 头部 / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            transition: background var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-xs);
            font-size: 16px;
            font-weight: 900;
            letter-spacing: 0;
        }
        .logo span:not(.logo-icon) {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-xs);
            transition: all var(--transition);
        }
        .nav-link:hover {
            color: var(--text);
            background: var(--bg-alt);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 16px;
            transition: all var(--transition);
            width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.12);
            background: #fff;
        }
        .nav-search input {
            background: transparent;
            border: none;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text);
            width: 100%;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--text-light);
            opacity: 0.7;
        }
        .nav-search .search-icon {
            color: var(--text-light);
            font-size: 14px;
            margin-right: 8px;
            opacity: 0.6;
        }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(255, 106, 0, 0.28);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 106, 0, 0.35);
            color: #fff;
        }
        .btn-cta-nav:active {
            transform: translateY(0);
        }
        .btn-cta-nav i {
            font-size: 16px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: all var(--transition);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 900px) {
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 2px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                z-index: 999;
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                padding: 12px 16px;
                font-size: 16px;
                width: 100%;
                border-radius: var(--radius-xs);
            }
            .nav-link.active::after {
                bottom: 4px;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-search-mobile {
                display: flex;
                align-items: center;
                background: var(--bg-alt);
                border: 1px solid var(--border-light);
                border-radius: 50px;
                padding: 8px 16px;
                margin-top: 12px;
                width: 100%;
            }
            .nav-search-mobile input {
                background: transparent;
                border: none;
                padding: 6px 0;
                font-size: 14px;
                color: var(--text);
                width: 100%;
                outline: none;
            }
            .nav-search-mobile input::placeholder {
                color: var(--text-light);
            }
            .nav-search-mobile .search-icon {
                color: var(--text-light);
                margin-right: 8px;
            }
            .header .container .nav-search {
                display: none;
            }
        }
        @media (min-width: 901px) {
            .nav-search-mobile {
                display: none;
            }
        }

        /* ===== Hero / 分类Banner ===== */
        .hero-category {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2d8a 60%, #1a1a2e 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(255, 106, 0, 0.15), transparent 70%);
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 50px;
            color: var(--text-white);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        .hero-category-badge i {
            color: var(--primary-light);
        }
        .hero-category h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .hero-category h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-category .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-category .hero-stat-item {
            text-align: center;
            color: var(--text-white);
        }
        .hero-category .hero-stat-item .num {
            font-size: 32px;
            font-weight: 800;
            display: block;
            background: linear-gradient(135deg, var(--primary-light), #ffb347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .hero-stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-category {
                padding: 60px 0 48px;
                min-height: 300px;
            }
            .hero-category h1 {
                font-size: 32px;
            }
            .hero-category p {
                font-size: 16px;
            }
            .hero-category .hero-stats {
                gap: 24px;
            }
            .hero-category .hero-stat-item .num {
                font-size: 26px;
            }
        }
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category .hero-stats {
                gap: 16px;
            }
            .hero-category .hero-stat-item {
                flex: 1 0 40%;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .subtitle-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .section-dark .section-header h2 {
            color: var(--text-white);
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-dark .section-header .subtitle-tag {
            background: rgba(255, 255, 255, 0.12);
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ===== 游戏卡片 ===== */
        .game-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .game-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.05);
        }
        .game-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .game-card .card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
            color: #ffb347;
            font-size: 13px;
            font-weight: 700;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .game-card .card-rating i {
            font-size: 11px;
        }
        .game-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .game-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .game-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .game-card .card-tags .tag {
            padding: 3px 12px;
            background: var(--bg-alt);
            border-radius: 50px;
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
            border: 1px solid var(--border-light);
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .game-card .card-footer .price {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
        }
        .game-card .card-footer .price .free {
            color: var(--accent);
            font-weight: 600;
        }
        .btn-card {
            padding: 7px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.3);
            color: #fff;
        }
        .btn-card-outline {
            padding: 7px 20px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-card-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        @media (max-width: 520px) {
            .game-card .card-body {
                padding: 16px 18px 18px;
            }
            .game-card .card-body h3 {
                font-size: 16px;
            }
        }

        /* ===== 特色区块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .feature-item {
            text-align: center;
            padding: 36px 24px;
            background: var(--bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-item .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: var(--primary-bg);
            border-radius: 50%;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .feature-item:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .feature-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-item p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .feature-item {
                padding: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .rank-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 4px 20px rgba(255, 106, 0, 0.08);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-alt);
            border-radius: 50%;
            font-weight: 800;
            font-size: 16px;
            color: var(--text-light);
        }
        .rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #ff6a00, #ffb347);
            color: #fff;
        }
        .rank-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #ff8c38, #ffcc80);
            color: #fff;
        }
        .rank-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #ffab62, #ffd8a8);
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 2px;
        }
        .rank-item .rank-info .rank-meta {
            font-size: 13px;
            color: var(--text-light);
        }
        .rank-item .rank-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .rank-item .rank-score i {
            color: #ffb347;
            font-size: 14px;
            margin-right: 4px;
        }
        @media (max-width: 520px) {
            .rank-item {
                padding: 14px 16px;
                gap: 14px;
                flex-wrap: wrap;
            }
            .rank-item .rank-score {
                font-size: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-item .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 18px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
        }
        .section-dark .faq-item .faq-question {
            color: var(--text-white);
        }
        .section-dark .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .section-dark .faq-item .faq-answer {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 520px) {
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2d8a 50%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(255, 106, 0, 0.35);
        }
        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 106, 0, 0.45);
            color: #fff;
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            color: var(--text-white);
            border-radius: 50px;
            font-size: 17px;
            font-weight: 600;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 12px 28px;
                font-size: 15px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0f0f1a;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 32px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 16px;
            font-size: 20px;
        }
        .footer .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer h4 {
            color: var(--text-white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 900px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 24px;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        .breadcrumb i {
            font-size: 12px;
            color: var(--border);
        }
        @media (max-width: 520px) {
            .breadcrumb {
                font-size: 13px;
                flex-wrap: wrap;
            }
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 4px;
            margin: 16px auto 0;
        }
        .divider-left {
            margin: 12px 0 0;
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 14px;
            }
        }