/* roulang page: index */
:root {
  --color-primary: #D32F2F;
  --color-primary-light: #EF5350;
  --color-primary-dark: #B71C1C;
  --color-accent: #FF6F00;
  --color-accent-light: #FFA040;
  --color-dark: #1A1A2E;
  --color-dark-light: #2D2D44;
  --color-bg: #F5F5F5;
  --color-bg-alt: #FFFFFF;
  --color-text: #222222;
  --color-text-light: #555555;
  --color-text-lighter: #888888;
  --color-border: #E0E0E0;
  --color-border-light: #F0F0F0;
  --color-success: #2E7D32;
  --color-warning: #F57F17;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
  --transition: all 0.25s ease;
  --max-width: 1200px;
  --header-brand-height: 60px;
  --header-nav-height: 48px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.7;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--color-primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none;transition:var(--transition)}
button{cursor:pointer}
input:focus,textarea:focus,select:focus{outline:2px solid var(--color-primary-light);outline-offset:2px}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-dark)}
h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:var(--font-size-3xl);margin-bottom:12px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:var(--color-primary);border-radius:2px;margin:12px auto 0}
.section-title p{color:var(--color-text-light);font-size:var(--font-size-lg);max-width:640px;margin:0 auto}
.section-bg-alt{background:var(--color-bg-alt)}
.section-bg-dark{background:var(--color-dark);color:#fff}
.section-bg-dark .section-title h2{color:#fff}
.section-bg-dark .section-title h2::after{background:var(--color-accent)}
.section-bg-dark .section-title p{color:rgba(255,255,255,0.75)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-base);transition:var(--transition);border:2px solid transparent;text-align:center;line-height:1.4}
.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}
.btn-accent:hover{background:#E65100;border-color:#E65100;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-white{background:#fff;color:var(--color-primary);border-color:#fff}
.btn-white:hover{background:var(--color-bg);color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-lg{padding:16px 40px;font-size:var(--font-size-lg);border-radius:var(--radius-lg)}
.btn-sm{padding:8px 18px;font-size:var(--font-size-sm);border-radius:var(--radius-sm)}
.card{background:var(--color-bg-alt);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.card-img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.card-body{padding:24px}
.card-body h3,.card-body h4{margin-bottom:8px;font-size:var(--font-size-lg)}
.card-body p{color:var(--color-text-light);font-size:var(--font-size-sm);line-height:1.6}
.card-tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:var(--font-size-xs);font-weight:600;background:var(--color-primary);color:#fff;margin-bottom:10px}
.card-tag.accent{background:var(--color-accent)}
.card-tag.outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text-light)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:var(--font-size-sm);font-weight:500;background:var(--color-bg);color:var(--color-text-light);border:1px solid var(--color-border);transition:var(--transition)}
.tag:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.text-center{text-align:center}
.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}
.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}
/* ===== Header & Nav (杂志频道风格) ===== */
.site-header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,0.06);position:sticky;top:0;z-index:1000}
.header-brand{height:var(--header-brand-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px;max-width:var(--max-width);margin:0 auto}
.logo{font-size:var(--font-size-2xl);font-weight:800;color:var(--color-primary);letter-spacing:-0.5px;display:flex;align-items:center;gap:8px}
.logo i{color:var(--color-accent);font-size:var(--font-size-3xl)}
.logo span{color:var(--color-dark)}
.header-actions{display:flex;align-items:center;gap:16px}
.header-search{position:relative}
.header-search input{padding:8px 16px 8px 36px;border-radius:20px;background:var(--color-bg);border:1px solid var(--color-border);font-size:var(--font-size-sm);width:200px;transition:var(--transition)}
.header-search input:focus{width:260px;border-color:var(--color-primary);background:#fff}
.header-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--color-text-lighter);font-size:var(--font-size-sm)}
.header-nav{height:var(--header-nav-height);background:var(--color-dark);display:flex;align-items:center;padding:0 24px;max-width:var(--max-width);margin:0 auto;border-radius:0 0 var(--radius-sm) var(--radius-sm)}
.nav-list{display:flex;align-items:center;gap:4px;height:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{display:flex;align-items:center;height:100%;padding:0 20px;color:rgba(255,255,255,0.8);font-size:var(--font-size-sm);font-weight:500;white-space:nowrap;border-bottom:3px solid transparent;transition:var(--transition);position:relative}
.nav-list a:hover{color:#fff;background:rgba(255,255,255,0.08)}
.nav-list a.active{color:#fff;border-bottom-color:var(--color-accent);background:rgba(255,255,255,0.06)}
.nav-list a i{margin-right:6px;font-size:var(--font-size-xs)}
.mobile-toggle{display:none;background:none;color:#fff;font-size:var(--font-size-xl);padding:8px;cursor:pointer}
/* ===== Hero ===== */
.hero{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--color-dark)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;opacity:0.35;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.65) 100%)}
.hero-content{position:relative;z-index:2;padding:60px 20px;max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:30px;background:rgba(255,255,255,0.12);color:#fff;font-size:var(--font-size-sm);font-weight:500;margin-bottom:24px;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.15)}
.hero-badge i{color:var(--color-accent)}
.hero h1{font-size:var(--font-size-5xl);font-weight:800;color:#fff;margin-bottom:16px;line-height:1.15;letter-spacing:-1px}
.hero h1 span{color:var(--color-accent);background:linear-gradient(135deg, var(--color-accent), var(--color-accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:var(--font-size-lg);color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto 32px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.15)}
.hero-stat{text-align:center}
.hero-stat .num{font-size:var(--font-size-3xl);font-weight:800;color:#fff;display:block;line-height:1.2}
.hero-stat .label{font-size:var(--font-size-sm);color:rgba(255,255,255,0.6)}
/* ===== Features ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:var(--color-bg-alt);padding:36px 28px;border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--color-border-light)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:var(--color-primary-light)}
.feature-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:var(--font-size-2xl);color:#fff;background:var(--color-primary)}
.feature-card:nth-child(2) .feature-icon{background:var(--color-accent)}
.feature-card:nth-child(3) .feature-icon{background:var(--color-dark)}
.feature-card h3{font-size:var(--font-size-lg);margin-bottom:10px}
.feature-card p{color:var(--color-text-light);font-size:var(--font-size-sm)}
/* ===== Category Section ===== */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--color-dark);min-height:200px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.5;transition:var(--transition)}
.category-card:hover img{transform:scale(1.05);opacity:0.35}
.category-card .overlay{position:absolute;inset:0;background:linear-gradient(135deg, rgba(211,47,47,0.7) 0%, rgba(26,26,46,0.8) 100%);z-index:1}
.category-card .content{position:relative;z-index:2;text-align:center;color:#fff;padding:30px}
.category-card .content i{font-size:var(--font-size-3xl);margin-bottom:12px;display:block}
.category-card .content h3{font-size:var(--font-size-xl);color:#fff;margin-bottom:6px}
.category-card .content p{font-size:var(--font-size-sm);color:rgba(255,255,255,0.75)}
.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
/* ===== Latest Posts (CMS) ===== */
.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{display:flex;background:var(--color-bg-alt);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.post-card .post-img{width:200px;min-height:160px;object-fit:cover;flex-shrink:0}
.post-card .post-body{padding:20px;flex:1;display:flex;flex-direction:column;justify-content:center}
.post-card .post-body .post-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;font-size:var(--font-size-xs);color:var(--color-text-lighter)}
.post-card .post-body .post-meta .cat{color:var(--color-primary);font-weight:600}
.post-card .post-body h4{font-size:var(--font-size-base);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .post-body p{font-size:var(--font-size-sm);color:var(--color-text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-posts{text-align:center;padding:48px 20px;color:var(--color-text-lighter);font-size:var(--font-size-lg);background:var(--color-bg-alt);border-radius:var(--radius-lg);border:1px dashed var(--color-border)}
/* ===== Data / Flow ===== */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{text-align:center;position:relative}
.flow-step:not(:last-child)::after{content:'\f105';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;right:-16px;top:36px;font-size:var(--font-size-xl);color:var(--color-primary);opacity:0.5}
.flow-step .step-num{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:var(--font-size-xl);font-weight:800;color:#fff;background:var(--color-primary)}
.flow-step:nth-child(2) .step-num{background:var(--color-accent)}
.flow-step:nth-child(3) .step-num{background:var(--color-dark)}
.flow-step:nth-child(4) .step-num{background:var(--color-success)}
.flow-step h4{font-size:var(--font-size-base);margin-bottom:6px}
.flow-step p{font-size:var(--font-size-sm);color:var(--color-text-light)}
/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:var(--color-bg-alt);transition:var(--transition)}
.faq-item:hover{border-color:var(--color-primary-light)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;cursor:pointer;font-weight:600;font-size:var(--font-size-base);background:none;width:100%;text-align:left;color:var(--color-text)}
.faq-question i{transition:var(--transition);color:var(--color-primary);font-size:var(--font-size-sm)}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{padding:0 24px 18px;font-size:var(--font-size-sm);color:var(--color-text-light);line-height:1.7;display:none}
.faq-item.active .faq-answer{display:block}
/* ===== CTA ===== */
.cta-section{background:var(--color-dark);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:0.12;z-index:0}
.cta-content{position:relative;z-index:1;text-align:center;padding:80px 20px}
.cta-content h2{font-size:var(--font-size-4xl);color:#fff;margin-bottom:16px}
.cta-content p{font-size:var(--font-size-lg);color:rgba(255,255,255,0.75);max-width:600px;margin:0 auto 32px}
.cta-content .btn{font-size:var(--font-size-lg);padding:16px 48px}
/* ===== Footer ===== */
.site-footer{background:var(--color-dark);color:rgba(255,255,255,0.7);padding:60px 0 30px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand .logo i{color:var(--color-accent)}
.footer-brand .logo span{color:#fff}
.footer-brand p{font-size:var(--font-size-sm);line-height:1.7;max-width:360px}
.footer-col h5{color:#fff;font-size:var(--font-size-base);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:rgba(255,255,255,0.6);font-size:var(--font-size-sm);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--color-accent);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:var(--font-size-sm)}
.footer-bottom .copy{color:rgba(255,255,255,0.5)}
.footer-socials{display:flex;gap:12px}
.footer-socials a{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.6);transition:var(--transition)}
.footer-socials a:hover{background:var(--color-primary);color:#fff}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .flow-step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:var(--font-size-4xl)}
}
@media (max-width:768px){
  .header-search input{width:140px}
  .header-search input:focus{width:180px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .category-grid{grid-template-columns:1fr}
  .posts-grid{grid-template-columns:1fr}
  .post-card{flex-direction:column}
  .post-card .post-img{width:100%;height:200px}
  .hero h1{font-size:var(--font-size-3xl)}
  .hero{padding:60px 0}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .cta-content h2{font-size:var(--font-size-2xl)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-title{margin-bottom:32px}
  .section-title h2{font-size:var(--font-size-2xl)}
  .mobile-toggle{display:block}
  .nav-list{flex-wrap:nowrap;overflow-x:auto;padding:0 8px}
  .nav-list a{padding:0 14px;font-size:var(--font-size-xs)}
  .header-nav{padding:0 12px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .hero-actions{flex-direction:column;align-items:center}
  .hero-actions .btn{width:100%;max-width:300px}
}
@media (max-width:520px){
  .header-brand{padding:0 12px;flex-wrap:wrap;gap:8px}
  .logo{font-size:var(--font-size-xl)}
  .header-search{display:none}
  .hero h1{font-size:var(--font-size-2xl)}
  .hero p{font-size:var(--font-size-base)}
  .hero-stats{gap:16px}
  .hero-stat .num{font-size:var(--font-size-2xl)}
  .grid-4{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr;max-width:280px;margin:0 auto}
  .footer-bottom{flex-direction:column;text-align:center}
  .btn-lg{padding:14px 32px;font-size:var(--font-size-base)}
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b76;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #f9c78a;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1923;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f5;
            --border-light: #e8e8f0;
            --border-focus: #e63946;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.14);
            --shadow-glow: 0 0 30px rgba(230,57,70,0.15);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 1240px;
            --header-h: 72px;
            --nav-h: 52px;
        }

        /* ===== 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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            padding-top: calc(var(--header-h) + var(--nav-h));
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul { list-style: none; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
        }
        .section-divider {
            width: 48px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin-bottom: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            background: var(--primary);
            color: #fff;
            justify-content: center;
        }
        .btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-lg { padding: 14px 40px; font-size: 1.05rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 6px 18px; font-size: 0.85rem; }

        /* ===== Header & Navigation (杂志频道风格) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light);
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .logo i { color: var(--primary); font-size: 1.5rem; }
        .logo span { color: var(--primary); }
        .logo:hover { color: var(--text-primary); }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-actions .search-toggle {
            background: none;
            font-size: 1.2rem;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .header-actions .search-toggle:hover { background: var(--bg-body); color: var(--primary); }
        .header-actions .btn { padding: 8px 20px; font-size: 0.9rem; }

        /* 频道导航行 */
        .nav-bar {
            background: var(--secondary);
            height: var(--nav-h);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-bar::-webkit-scrollbar { display: none; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
            width: 100%;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-list a i { font-size: 0.85rem; }
        .nav-list a:hover { background: rgba(255,255,255,0.12); color: #fff; }
        .nav-list a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230,57,70,0.3);
        }

        /* 移动端菜单按钮 (桌面隐藏) */
        .mobile-menu-btn {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-btn:hover { background: var(--bg-body); }

        /* ===== 文章页布局 ===== */
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .article-main { min-width: 0; }
        .article-sidebar { min-width: 0; }

        /* 文章头部 */
        .article-header {
            margin-bottom: 32px;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--text-muted); }
        .article-breadcrumb a:hover { color: var(--primary); }
        .article-breadcrumb .sep { color: var(--border-light); }
        .article-category {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta i { margin-right: 4px; color: var(--primary); }
        .article-meta .author { font-weight: 500; color: var(--text-secondary); }
        .article-cover {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-md);
        }
        .article-cover img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        /* 文章正文 */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 1.4em;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.6em;
            color: var(--text-primary);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: var(--text-primary);
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.4em;
            padding-left: 1.5em;
        }
        .article-content li {
            margin-bottom: 0.4em;
        }
        .article-content ul li { list-style: disc; }
        .article-content ol li { list-style: decimal; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-body);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img {
            width: 100%;
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content a { color: var(--primary); text-decoration: underline; }

        /* 文章标签 & 分享 */
        .article-footer-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags span {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .tag {
            display: inline-block;
            background: var(--bg-body);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .tag:hover { background: var(--primary); color: #fff; }
        .share-buttons {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .share-buttons span { font-weight: 600; font-size: 0.9rem; color: var(--text-secondary); }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* 上一篇 下一篇 */
        .article-pagination {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }
        .pag-item {
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .pag-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .pag-item .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .pag-item .title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .pag-item:hover .title { color: var(--primary); }
        .pag-next { text-align: right; }

        /* ===== 侧边栏 ===== */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .sidebar-card:hover { box-shadow: var(--shadow-sm); }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-primary);
            font-size: 0.9rem;
            line-height: 1.4;
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list .thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-list .info { flex: 1; }
        .sidebar-list .info .date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-weight: 500;
        }
        .sidebar-cats a:hover { color: var(--primary); }
        .sidebar-cats a span { background: var(--bg-body); padding: 2px 12px; border-radius: 20px; font-size: 0.8rem; color: var(--text-muted); }

        .sidebar-ad {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            color: #fff;
        }
        .sidebar-ad h5 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .sidebar-ad p { font-size: 0.9rem; opacity: 0.85; margin-bottom: 16px; }
        .sidebar-ad .btn { background: var(--accent); color: var(--text-primary); border: none; }
        .sidebar-ad .btn:hover { background: var(--accent-light); }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--bg-white);
            padding: 48px 0;
            border-top: 1px solid var(--border-light);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .body {
            padding: 16px 18px 20px;
        }
        .related-card .body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .related-card .body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 评论区模块 ===== */
        .comment-section {
            margin-top: 48px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--border-light);
        }
        .comment-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-section h3 i { color: var(--primary); }
        .comment-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .comment-form .full { grid-column: 1 / -1; }
        .comment-form input, .comment-form textarea {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .comment-form input:focus, .comment-form textarea:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
        }
        .comment-form textarea { min-height: 100px; resize: vertical; }
        .comment-form .btn { justify-self: start; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: #fff; font-size: 1.5rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; color: rgba(255,255,255,0.6); }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
        }
        .footer-socials a:hover { background: var(--primary); color: #fff; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            body { padding-top: calc(var(--header-h) + var(--nav-h)); }
            .mobile-menu-btn { display: block; }
            .header-actions .btn { display: none; }
            .nav-list { gap: 2px; padding: 0 12px; }
            .nav-list a { padding: 6px 12px; font-size: 0.82rem; }
            .nav-list a i { display: none; }
            .article-title { font-size: 1.6rem; }
            .article-cover img { height: 240px; }
            .article-pagination { grid-template-columns: 1fr; }
            .article-sidebar { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .comment-form { grid-template-columns: 1fr; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-title { font-size: 1.35rem; }
            .article-meta { gap: 10px; font-size: 0.8rem; }
            .article-content { font-size: 0.95rem; }
            .section-title { font-size: 1.3rem; }
            .header-inner { padding: 0 16px; }
            .logo { font-size: 1.3rem; }
            .nav-list a { padding: 4px 10px; font-size: 0.75rem; }
            .sidebar-card { padding: 18px; }
            .comment-section { padding: 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 文章内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
        }
        .not-found-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
        .not-found-box h2 { font-size: 1.5rem; margin-bottom: 12px; color: var(--text-primary); }
        .not-found-box p { color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box .btn { margin-top: 8px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-light: #f9c784;
            --bg-dark: #0d1b2a;
            --bg-darker: #070f1a;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-main: #2d2d44;
            --text-light: #6c757d;
            --text-white: #f1f1f1;
            --border-light: #e9ecef;
            --border-color: #dee2e6;
            --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, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.18);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }

        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        h5 {
            font-size: 1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav (杂志频道导航) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 27, 42, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            flex-direction: column;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }

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

        .logo:hover {
            color: var(--text-white);
            opacity: 0.92;
        }

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

        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 6px 16px 6px 20px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .header-actions .search-box:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--primary);
        }

        .header-actions .search-box input {
            background: transparent;
            color: var(--text-white);
            font-size: 0.9rem;
            padding: 6px 0;
            width: 160px;
        }

        .header-actions .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .header-actions .search-box button {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            padding: 4px 0 4px 10px;
            transition: var(--transition);
        }

        .header-actions .search-box button:hover {
            color: var(--primary);
        }

        .menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text-white);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* 频道导航行 */
        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 0 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-channel::-webkit-scrollbar {
            display: none;
        }

        .nav-channel a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-channel a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-channel a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.06);
        }

        .nav-channel a.active {
            color: var(--text-white);
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }

        .nav-channel a.active i {
            opacity: 1;
        }

        /* ===== Main ===== */
        main {
            padding-top: calc(var(--header-height) + 56px);
            min-height: 80vh;
        }

        /* ===== Page Hero / Banner ===== */
        .page-banner {
            position: relative;
            background: var(--bg-dark);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            filter: saturate(0.8);
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.92) 0%, rgba(13, 27, 42, 0.7) 50%, rgba(230, 57, 70, 0.25) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .page-banner h1 {
            color: var(--text-white);
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .page-banner h1 i {
            color: var(--primary);
            margin-right: 10px;
        }

        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 640px;
            line-height: 1.7;
        }

        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .page-banner .banner-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .page-banner .banner-tags span i {
            color: var(--primary);
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 70px 0;
        }

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

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

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

        .card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .card .card-body {
            padding: 22px 24px 24px;
        }

        .card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card .card-title a {
            color: inherit;
        }

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

        .card .card-desc {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .card .card-meta i {
            margin-right: 4px;
        }

        /* ===== Feature Row (图文) ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .feature-row .feature-img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
        }

        .feature-row .feature-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .feature-row .feature-content p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-row .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-row .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .feature-row .feature-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

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

        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: rgba(255, 255, 255, 0.1);
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.06);
        }

        .section-dark .faq-question {
            color: var(--text-white);
        }

        .section-dark .faq-answer {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
        }

        .cta-block h2 {
            color: var(--text-white);
            font-size: 2rem;
            margin-bottom: 16px;
            position: relative;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            position: relative;
        }

        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            position: relative;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.4);
            color: var(--text-white);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-white);
            transform: translateY(-2px);
            color: var(--text-white);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .badge-primary {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
        }

        .badge-accent {
            background: rgba(244, 162, 97, 0.12);
            color: var(--accent);
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        .divider-left {
            margin: 14px 0 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }

        .footer-col h5 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 30px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom .copy {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-socials {
            display: flex;
            gap: 14px;
        }

        .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }

        .footer-socials a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .feature-row {
                gap: 30px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-actions .search-box {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-channel {
                padding: 4px 0 10px;
                gap: 2px;
            }
            .nav-channel a {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .nav-channel a i {
                display: none;
            }
            main {
                padding-top: calc(var(--header-height) + 46px);
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .page-banner .banner-tags span {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-row .feature-img {
                order: -1;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-top {
                height: 60px;
            }
            .logo {
                font-size: 1.3rem;
            }
            .nav-channel a {
                padding: 4px 12px;
                font-size: 0.75rem;
            }
            main {
                padding-top: calc(60px + 40px);
            }
            .page-banner {
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.88rem;
            }
            .page-banner .banner-tags {
                gap: 6px;
            }
            .page-banner .banner-tags span {
                font-size: 0.72rem;
                padding: 3px 10px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-header p {
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .stat-card .stat-label {
                font-size: 0.8rem;
            }
            .card .card-body {
                padding: 16px 18px 18px;
            }
            .card .card-title {
                font-size: 1rem;
            }
            .cta-block {
                padding: 32px 18px;
                border-radius: var(--radius-md);
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .cta-block .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .footer-grid {
                gap: 20px;
            }
            .footer-col h5 {
                font-size: 0.88rem;
                margin-bottom: 12px;
            }
            .footer-col ul li a {
                font-size: 0.82rem;
            }
            .footer-bottom .copy {
                font-size: 0.75rem;
            }
            .footer-socials a {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .faq-answer {
                padding: 0 14px;
                font-size: 0.82rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 14px 14px;
            }
        }

        /* ===== 额外辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }