/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B2A4A;
            --primary-light: #2C4068;
            --primary-dark: #0F1A2E;
            --accent: #C9A84C;
            --accent-light: #DFC26A;
            --accent-dark: #A88A30;
            --bg: #F8F5F0;
            --bg-alt: #EDE8E0;
            --bg-card: #FFFFFF;
            --bg-dark: #0F1A2E;
            --text: #2C2C2C;
            --text-light: #6B7280;
            --text-white: #F9F7F3;
            --border: #E5DDD0;
            --border-light: #F0EBE3;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(27, 42, 74, 0.08);
            --shadow-lg: 0 12px 40px rgba(27, 42, 74, 0.12);
            --shadow-accent: 0 4px 20px rgba(201, 168, 76, 0.25);
            --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;
            --tab-height: 64px;
        }

        /* ===== 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;padding-bottom:var(--tab-height)}
        img{max-width:100%;height:auto;display:block}
        a{color:inherit;text-decoration:none;transition:color var(--transition)}
        button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none}
        button{cursor:pointer;background:none}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--primary)}
        p{margin-bottom:1em;color:var(--text)}
        p:last-child{margin-bottom:0}
        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
        .section{padding:80px 0}
        .section-title{font-size:2rem;text-align:center;margin-bottom:12px;letter-spacing:-0.5px}
        .section-subtitle{font-size:1.05rem;color:var(--text-light);text-align:center;max-width:640px;margin:0 auto 48px;line-height:1.6}
        .text-accent{color:var(--accent)}
        .text-center{text-align:center}

        /* ===== Header / Nav (桌面) ===== */
        .site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-height);background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);transition:background var(--transition)}
        .site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
        .logo{font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-0.3px;display:flex;align-items:center;gap:8px;flex-shrink:0}
        .logo i{color:var(--accent);font-size:1.5rem}
        .logo span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .nav-list{display:flex;align-items:center;gap:4px}
        .nav-list a{display:block;padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--text-light);transition:all var(--transition);position:relative}
        .nav-list a:hover{color:var(--primary);background:rgba(27,42,74,0.05)}
        .nav-list a.active{color:var(--primary);background:rgba(27,42,74,0.06);font-weight:600}
        .nav-list a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--accent);border-radius:2px}
        .nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:50px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);font-weight:600;font-size:0.9rem;transition:all var(--transition);box-shadow:var(--shadow-accent);margin-left:12px}
        .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(201,168,76,0.35);color:var(--primary-dark)}
        .nav-cta i{font-size:0.85rem}

        /* ===== Mobile Bottom Tab ===== */
        .bottom-tab{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;height:var(--tab-height);background:rgba(255,255,255,0.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border-light);box-shadow:0 -2px 12px rgba(0,0,0,0.04);justify-content:space-around;align-items:center;padding:0 8px;padding-bottom:env(safe-area-inset-bottom,0)}
        .bottom-tab .tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 12px;border-radius:var(--radius-sm);color:var(--text-light);font-size:0.7rem;font-weight:500;transition:all var(--transition);flex:1;max-width:80px;min-width:56px}
        .bottom-tab .tab-item i{font-size:1.25rem;transition:color var(--transition)}
        .bottom-tab .tab-item span{line-height:1.2;white-space:nowrap}
        .bottom-tab .tab-item:hover{color:var(--primary);background:rgba(27,42,74,0.04)}
        .bottom-tab .tab-item.active{color:var(--primary);font-weight:600}
        .bottom-tab .tab-item.active i{color:var(--accent)}
        .bottom-tab .tab-cta{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 12px;color:var(--text-light);font-size:0.7rem;font-weight:500;flex:1;max-width:80px;min-width:56px}
        .bottom-tab .tab-cta .cta-circle{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 16px rgba(201,168,76,0.3);margin-top:-20px;transition:all var(--transition)}
        .bottom-tab .tab-cta:hover .cta-circle{transform:translateY(-2px);box-shadow:0 6px 24px rgba(201,168,76,0.4)}
        .bottom-tab .tab-cta span{margin-top:2px}

        /* ===== Hero ===== */
        .hero{position:relative;padding:140px 0 100px;margin-top:var(--header-height);background:var(--primary-dark);overflow:hidden;min-height:70vh;display:flex;align-items:center}
        .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;opacity:0.3;z-index:0;animation:heroFadeIn 1.6s ease-out}
        .hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,26,46,0.88) 0%,rgba(27,42,74,0.70) 50%,rgba(15,26,46,0.88) 100%);z-index:1}
        .hero .container{position:relative;z-index:2;text-align:center;max-width:800px}
        .hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 18px;border-radius:50px;background:rgba(201,168,76,0.15);border:1px solid rgba(201,168,76,0.25);color:var(--accent-light);font-size:0.85rem;font-weight:500;margin-bottom:24px;backdrop-filter:blur(4px)}
        .hero-badge i{font-size:0.75rem}
        .hero h1{font-size:3.2rem;font-weight:800;color:var(--text-white);letter-spacing:-1px;line-height:1.2;margin-bottom:20px}
        .hero h1 .highlight{background:linear-gradient(135deg,var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .hero p{font-size:1.15rem;color:rgba(249,247,243,0.8);max-width:580px;margin:0 auto 36px;line-height:1.7}
        .hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
        .hero-actions .btn-primary{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;border-radius:50px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);font-weight:700;font-size:1.05rem;box-shadow:var(--shadow-accent);transition:all var(--transition)}
        .hero-actions .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(201,168,76,0.4)}
        .hero-actions .btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:50px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);color:var(--text-white);font-weight:600;font-size:1rem;transition:all var(--transition);backdrop-filter:blur(4px)}
        .hero-actions .btn-secondary:hover{background:rgba(255,255,255,0.15);border-color:rgba(255,255,255,0.25)}
        .hero-stats{display:flex;flex-wrap:wrap;gap:40px;justify-content:center;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,0.08)}
        .hero-stats .stat{text-align:center}
        .hero-stats .stat .num{font-size:1.8rem;font-weight:800;color:var(--accent);display:block;line-height:1.2}
        .hero-stats .stat .label{font-size:0.85rem;color:rgba(249,247,243,0.6);margin-top:4px}

        @keyframes heroFadeIn{from{opacity:0;transform:scale(1.04)}to{opacity:0.3;transform:scale(1)}}

        /* ===== Features ===== */
        .features{background:var(--bg)}
        .features .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        .feature-card{background:var(--bg-card);border-radius:var(--radius);padding:40px 32px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition)}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
        .feature-card .icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,rgba(201,168,76,0.12),rgba(201,168,76,0.05));display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.6rem;color:var(--accent);transition:all var(--transition)}
        .feature-card:hover .icon{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);box-shadow:var(--shadow-accent)}
        .feature-card h3{font-size:1.2rem;margin-bottom:10px;color:var(--primary)}
        .feature-card p{font-size:0.95rem;color:var(--text-light);line-height:1.6}

        /* ===== Category Intro ===== */
        .category-intro{background:var(--bg-alt)}
        .category-intro .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
        .category-intro .image-wrap{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
        .category-intro .image-wrap img{width:100%;height:400px;object-fit:cover;transition:transform 0.6s ease}
        .category-intro .image-wrap:hover img{transform:scale(1.03)}
        .category-intro .image-wrap .img-label{position:absolute;bottom:16px;left:16px;padding:6px 16px;border-radius:50px;background:rgba(15,26,46,0.7);backdrop-filter:blur(8px);color:var(--text-white);font-size:0.8rem;font-weight:500;border:1px solid rgba(255,255,255,0.1)}
        .category-intro .content h2{font-size:2rem;margin-bottom:16px}
        .category-intro .content p{font-size:1rem;color:var(--text-light);margin-bottom:24px;line-height:1.7}
        .category-intro .content .tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
        .category-intro .content .tag-list .tag{padding:6px 16px;border-radius:50px;background:rgba(27,42,74,0.06);color:var(--primary);font-size:0.85rem;font-weight:500;border:1px solid var(--border);transition:all var(--transition)}
        .category-intro .content .tag-list .tag:hover{background:var(--primary);color:var(--text-white);border-color:var(--primary)}
        .category-intro .content .btn-outline{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;border:2px solid var(--primary);color:var(--primary);font-weight:600;font-size:0.95rem;transition:all var(--transition)}
        .category-intro .content .btn-outline:hover{background:var(--primary);color:var(--text-white)}

        /* ===== Latest Posts (CMS) ===== */
        .latest-posts{background:var(--bg)}
        .latest-posts .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
        .post-card{background:var(--bg-card);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}
        .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
        .post-card .thumb{width:100%;height:200px;object-fit:cover;display:block;transition:transform 0.5s ease}
        .post-card:hover .thumb{transform:scale(1.03)}
        .post-card .body{padding:24px;flex:1;display:flex;flex-direction:column}
        .post-card .body .meta{display:flex;align-items:center;gap:12px;font-size:0.8rem;color:var(--text-light);margin-bottom:10px}
        .post-card .body .meta .cat{padding:2px 12px;border-radius:50px;background:rgba(201,168,76,0.12);color:var(--accent-dark);font-weight:500;font-size:0.75rem}
        .post-card .body .meta .date{color:var(--text-light)}
        .post-card .body h3{font-size:1.1rem;margin-bottom:8px;color:var(--primary);line-height:1.4;flex-shrink:0}
        .post-card .body p{font-size:0.9rem;color:var(--text-light);line-height:1.6;flex:1;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
        .post-card .body .read-more{color:var(--accent);font-weight:600;font-size:0.85rem;display:inline-flex;align-items:center;gap:6px;transition:all var(--transition);margin-top:auto}
        .post-card .body .read-more:hover{color:var(--accent-dark);gap:10px}
        .posts-empty{grid-column:1 / -1;text-align:center;padding:60px 20px;background:var(--bg-card);border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-light);font-size:1rem}

        /* ===== Stats ===== */
        .stats-section{background:var(--primary-dark);position:relative;overflow:hidden}
        .stats-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;opacity:0.08;z-index:0}
        .stats-section .container{position:relative;z-index:1}
        .stats-section .section-title{color:var(--text-white)}
        .stats-section .section-subtitle{color:rgba(249,247,243,0.6)}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:8px}
        .stats-grid .stat-item{text-align:center;padding:32px 16px;background:rgba(255,255,255,0.04);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.06);transition:all var(--transition);backdrop-filter:blur(4px)}
        .stats-grid .stat-item:hover{background:rgba(255,255,255,0.08);transform:translateY(-2px)}
        .stats-grid .stat-item .num{font-size:2.4rem;font-weight:800;color:var(--accent);display:block;line-height:1.2}
        .stats-grid .stat-item .label{font-size:0.9rem;color:rgba(249,247,243,0.6);margin-top:6px}

        /* ===== How It Works ===== */
        .how-it-works{background:var(--bg)}
        .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;counter-reset:step}
        .steps::before{content:'';position:absolute;top:48px;left:15%;right:15%;height:2px;background:linear-gradient(90deg,var(--accent),var(--border),var(--accent));z-index:0;opacity:0.4}
        .step{text-align:center;position:relative;z-index:1;counter-increment:step}
        .step .num-wrap{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 16px rgba(201,168,76,0.2);position:relative}
        .step .num-wrap::after{content:counter(step)}
        .step h3{font-size:1.15rem;margin-bottom:8px;color:var(--primary)}
        .step p{font-size:0.92rem;color:var(--text-light);max-width:280px;margin:0 auto;line-height:1.6}

        /* ===== FAQ ===== */
        .faq-section{background:var(--bg-alt)}
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
        .faq-item{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-light);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition)}
        .faq-item:hover{box-shadow:var(--shadow-lg)}
        .faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1rem;color:var(--primary);list-style:none;transition:background var(--transition)}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:0.8rem;color:var(--accent);transition:transform var(--transition);flex-shrink:0;margin-left:16px}
        .faq-item[open] summary::after{transform:rotate(180deg)}
        .faq-item[open] summary{background:rgba(201,168,76,0.04)}
        .faq-item .answer{padding:0 24px 20px;font-size:0.95rem;color:var(--text-light);line-height:1.7}

        /* ===== CTA ===== */
        .cta-section{background:var(--primary-dark);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:0.06;z-index:0}
        .cta-section .container{position:relative;z-index:1;text-align:center;max-width:700px}
        .cta-section h2{color:var(--text-white);font-size:2.2rem;margin-bottom:16px}
        .cta-section p{color:rgba(249,247,243,0.7);font-size:1.05rem;margin-bottom:32px}
        .cta-section .btn-cta{display:inline-flex;align-items:center;gap:10px;padding:18px 44px;border-radius:50px;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);font-weight:700;font-size:1.1rem;box-shadow:var(--shadow-accent);transition:all var(--transition)}
        .cta-section .btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(201,168,76,0.4)}

        /* ===== Footer ===== */
        .site-footer{background:var(--primary);color:var(--text-white);padding:48px 0 24px}
        .site-footer .grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
        .site-footer .brand .logo{color:var(--text-white);margin-bottom:12px}
        .site-footer .brand .logo i{color:var(--accent)}
        .site-footer .brand .logo span{-webkit-text-fill-color:var(--text-white);background:none}
        .site-footer .brand p{font-size:0.9rem;color:rgba(249,247,243,0.6);max-width:320px;line-height:1.7}
        .site-footer h4{font-size:1rem;font-weight:700;color:var(--text-white);margin-bottom:16px}
        .site-footer ul li{margin-bottom:8px}
        .site-footer ul a{font-size:0.9rem;color:rgba(249,247,243,0.6);transition:all var(--transition)}
        .site-footer ul a:hover{color:var(--accent);padding-left:4px}
        .site-footer .bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:0.85rem;color:rgba(249,247,243,0.4)}
        .site-footer .bottom a{color:rgba(249,247,243,0.5)}
        .site-footer .bottom a:hover{color:var(--accent)}

        /* ===== JSON-LD (结构化数据) ===== */
        /* 已内联在页面底部script中 */

        /* ===== 响应式 ===== */
        @media(max-width:1024px){
            .features .grid,.latest-posts .grid{grid-template-columns:repeat(2,1fr)}
            .category-intro .wrap{grid-template-columns:1fr;gap:32px}
            .category-intro .image-wrap img{height:300px}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
            .hero h1{font-size:2.6rem}
            .site-footer .grid{grid-template-columns:1fr 1fr;gap:32px}
        }

        @media(max-width:768px){
            :root{--header-height:64px;--tab-height:60px}
            .site-header .nav-list{display:none}
            .site-header .nav-cta{display:none}
            .bottom-tab{display:flex}
            body{padding-bottom:var(--tab-height)}
            .hero{padding:120px 0 80px;min-height:auto}
            .hero h1{font-size:2rem}
            .hero p{font-size:1rem}
            .hero-actions{flex-direction:column;align-items:center}
            .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%;max-width:320px;justify-content:center}
            .hero-stats{gap:24px}
            .hero-stats .stat .num{font-size:1.4rem}
            .section{padding:56px 0}
            .section-title{font-size:1.6rem}
            .section-subtitle{font-size:0.95rem;margin-bottom:32px}
            .features .grid,.latest-posts .grid{grid-template-columns:1fr;gap:20px}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
            .stats-grid .stat-item{padding:24px 12px}
            .stats-grid .stat-item .num{font-size:1.8rem}
            .steps{grid-template-columns:1fr;gap:28px}
            .steps::before{display:none}
            .step .num-wrap{margin-bottom:16px}
            .faq-item summary{padding:16px 20px;font-size:0.95rem}
            .faq-item .answer{padding:0 20px 16px;font-size:0.9rem}
            .cta-section h2{font-size:1.6rem}
            .cta-section .btn-cta{width:100%;max-width:320px;justify-content:center}
            .site-footer .grid{grid-template-columns:1fr;gap:24px}
            .site-footer .bottom{flex-direction:column;gap:8px;text-align:center}
            .category-intro .content h2{font-size:1.5rem}
            .category-intro .image-wrap img{height:220px}
            .post-card .thumb{height:180px}
        }

        @media(max-width:520px){
            .container{padding:0 16px}
            .hero h1{font-size:1.7rem}
            .hero-stats{gap:16px;flex-wrap:wrap}
            .hero-stats .stat{flex:1;min-width:80px}
            .bottom-tab .tab-item,.bottom-tab .tab-cta{max-width:64px;min-width:40px;padding:4px 6px;font-size:0.6rem}
            .bottom-tab .tab-item i,.bottom-tab .tab-cta i{font-size:1.1rem}
            .bottom-tab .tab-cta .cta-circle{width:42px;height:42px;font-size:1rem;margin-top:-16px}
            .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
            .section-title{font-size:1.4rem}
            .feature-card{padding:28px 20px}
        }

        /* ===== 辅助 ===== */
        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
        .wave-divider{display:block;width:100%;height:40px;fill:var(--bg);background:transparent}
        .wave-divider-alt{fill:var(--bg-alt)}
        .wave-divider-dark{fill:var(--primary-dark)}

/* roulang page: article */
:root {
  --primary: #1a1a3e;
  --primary-light: #2a2a5e;
  --accent: #6c5ce7;
  --accent-hover: #5a4bd1;
  --gold: #f0c040;
  --gold-light: #f7d97a;
  --bg-body: #f5f7fc;
  --bg-card: #ffffff;
  --bg-dark: #0b1424;
  --bg-dark-alt: #111d35;
  --text-dark: #1a1a2e;
  --text-body: #2d3748;
  --text-muted: #6b7280;
  --text-light: #e8ecf1;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --border-light: rgba(255,255,255,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 40px rgba(108,92,231,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-body); line-height: 1.7; font-size: 16px; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.section { padding: 80px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-dark .section-title { color: var(--text-white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }
.section-title { font-size: 2.2rem; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; line-height: 1.3; letter-spacing: -0.01em; }
.section-subtitle { font-size: 1.1rem; color: var(--text-muted); max-width: 620px; margin: 0 auto 48px; text-align: center; }
.text-center { text-align: center; }
.tag { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; background: rgba(108,92,231,0.12); color: var(--accent); transition: var(--transition); }
.tag:hover { background: var(--accent); color: #fff; }
.tag-gold { background: rgba(240,192,64,0.15); color: #b8860b; }
.tag-gold:hover { background: var(--gold); color: #1a1a2e; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition); line-height: 1.2; text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 20px rgba(108,92,231,0.3); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,92,231,0.4); color: #fff; }
.btn-gold { background: var(--gold); color: #1a1a2e; box-shadow: 0 4px 20px rgba(240,192,64,0.3); }
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(240,192,64,0.4); color: #1a1a2e; }
.btn-outline { background: transparent; border: 2px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 10px 24px; font-size: 0.9rem; }
/* header */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); background: rgba(11,20,36,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); z-index: 1000; transition: var(--transition); }
.site-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: 700; color: var(--text-white); text-decoration: none; }
.logo i { color: var(--gold); font-size: 1.5rem; }
.logo span { background: linear-gradient(135deg, #fff 60%, var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo:hover { color: var(--text-white); opacity: 0.9; }
.logo:hover span { background: linear-gradient(135deg, var(--gold) 40%, #fff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list { display: flex; align-items: center; gap: 8px; }
.nav-list a { padding: 8px 18px; border-radius: 50px; font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.75); text-decoration: none; transition: var(--transition); position: relative; }
.nav-list a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-list a.active { color: #fff; background: rgba(108,92,231,0.25); }
.nav-list a.nav-cta { background: var(--accent); color: #fff; padding: 8px 24px; box-shadow: 0 4px 20px rgba(108,92,231,0.3); }
.nav-list a.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 25px rgba(108,92,231,0.4); }
.nav-list a.nav-cta i { margin-right: 4px; }
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 8px; }
/* hero article */
.article-hero { padding-top: calc(var(--header-h) + 40px); padding-bottom: 60px; background: var(--bg-dark); position: relative; overflow: hidden; min-height: 320px; display: flex; align-items: center; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.15; z-index: 0; }
.article-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,20,36,0.92) 40%, rgba(11,20,36,0.6)); z-index: 1; }
.article-hero .container-narrow { position: relative; z-index: 2; }
.article-hero .tag { margin-bottom: 16px; }
.article-hero h1 { font-size: 2.6rem; font-weight: 800; color: var(--text-white); line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 16px; }
.article-hero .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; color: rgba(255,255,255,0.6); font-size: 0.95rem; }
.article-hero .meta i { margin-right: 6px; color: var(--gold); }
.article-hero .meta span { display: inline-flex; align-items: center; }
/* article body */
.article-body { padding: 60px 0 40px; }
.article-content { background: var(--bg-card); border-radius: var(--radius); padding: 48px 56px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.article-content .lead { font-size: 1.2rem; color: var(--text-dark); font-weight: 500; line-height: 1.8; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.article-content p { margin-bottom: 20px; font-size: 1.05rem; line-height: 1.85; color: var(--text-body); }
.article-content h2 { font-size: 1.7rem; font-weight: 700; color: var(--text-dark); margin: 40px 0 16px; line-height: 1.3; }
.article-content h3 { font-size: 1.35rem; font-weight: 600; color: var(--text-dark); margin: 32px 0 12px; }
.article-content ul, .article-content ol { margin: 16px 0 24px; padding-left: 24px; }
.article-content ul li { list-style: disc; margin-bottom: 8px; color: var(--text-body); }
.article-content ol li { list-style: decimal; margin-bottom: 8px; color: var(--text-body); }
.article-content blockquote { margin: 24px 0; padding: 20px 28px; background: rgba(108,92,231,0.06); border-left: 4px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-dark); font-style: italic; }
.article-content img { margin: 24px 0; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.article-content a { color: var(--accent); font-weight: 500; border-bottom: 1px solid transparent; }
.article-content a:hover { border-bottom-color: var(--accent); }
/* article footer meta */
.article-footer-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article-share { display: flex; align-items: center; gap: 12px; }
.article-share span { font-size: 0.9rem; color: var(--text-muted); }
.article-share a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-body); color: var(--text-muted); font-size: 1.1rem; transition: var(--transition); }
.article-share a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
/* article nav */
.article-nav { padding: 40px 0; border-top: 1px solid var(--border); margin-top: 40px; display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
.article-nav a { display: flex; align-items: center; gap: 12px; padding: 16px 24px; border-radius: var(--radius-sm); background: var(--bg-body); color: var(--text-body); font-weight: 500; transition: var(--transition); flex: 1; min-width: 200px; }
.article-nav a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.article-nav .prev i { margin-right: 4px; }
.article-nav .next { justify-content: flex-end; }
.article-nav .next i { margin-left: 4px; }
/* info cards section */
.info-cards { padding: 60px 0; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 40px; }
.info-card { background: var(--bg-card); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.info-card .icon { width: 56px; height: 56px; border-radius: 50%; background: rgba(108,92,231,0.1); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.5rem; color: var(--accent); transition: var(--transition); }
.info-card:hover .icon { background: var(--accent); color: #fff; }
.info-card h3 { font-size: 1.15rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.info-card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; }
/* cta section */
.cta-section { padding: 80px 0; background: var(--bg-dark); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.08; z-index: 0; }
.cta-section .container { position: relative; z-index: 1; }
.cta-box { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; backdrop-filter: blur(10px); }
.cta-box h2 { font-size: 2rem; font-weight: 700; color: var(--text-white); margin-bottom: 16px; }
.cta-box p { font-size: 1.1rem; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 32px; line-height: 1.7; }
.cta-box .btn-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
/* faq section */
.faq-section { padding: 80px 0; background: var(--bg-body); }
.faq-list { max-width: 800px; margin: 40px auto 0; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-sm); padding: 24px 32px; margin-bottom: 12px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); cursor: pointer; }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { font-size: 1.1rem; font-weight: 600; color: var(--text-dark); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-question i { color: var(--accent); 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-top: 0; color: var(--text-muted); line-height: 1.7; }
.faq-item.active .faq-answer { max-height: 400px; padding-top: 16px; }
/* footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; border-top: 1px solid rgba(255,255,255,0.06); }
.site-footer .grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.site-footer .brand .logo { margin-bottom: 16px; }
.site-footer .brand p { font-size: 0.95rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; }
.site-footer h4 { font-size: 1rem; font-weight: 600; color: var(--text-white); margin-bottom: 20px; letter-spacing: 0.02em; }
.site-footer ul li { margin-bottom: 12px; }
.site-footer ul li a { color: rgba(255,255,255,0.55); font-size: 0.95rem; transition: var(--transition); }
.site-footer ul li a:hover { color: var(--gold); padding-left: 4px; }
.site-footer .bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; padding: 24px 0; gap: 12px; font-size: 0.88rem; color: rgba(255,255,255,0.4); }
.site-footer .bottom a { color: rgba(255,255,255,0.5); }
.site-footer .bottom a:hover { color: var(--gold); }
/* not found */
.not-found { text-align: center; padding: 80px 0; }
.not-found i { font-size: 4rem; color: var(--accent); margin-bottom: 24px; display: block; }
.not-found h2 { font-size: 2rem; color: var(--text-dark); margin-bottom: 16px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; font-size: 1.1rem; }
/* responsive */
@media (max-width: 1024px) {
  .article-content { padding: 36px 32px; }
  .article-hero h1 { font-size: 2.2rem; }
  .cta-box { padding: 40px 32px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }
  .mobile-toggle { display: block; }
  .nav-list { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(11,20,36,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 20px 24px; gap: 6px; transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list a { width: 100%; padding: 12px 20px; font-size: 1rem; }
  .nav-list a.nav-cta { margin-top: 8px; text-align: center; }
  .article-hero h1 { font-size: 1.7rem; }
  .article-hero { min-height: 240px; padding-top: calc(var(--header-h) + 24px); padding-bottom: 40px; }
  .article-content { padding: 24px 20px; border-radius: var(--radius-sm); }
  .article-content .lead { font-size: 1.05rem; }
  .article-content p { font-size: 1rem; }
  .article-footer-meta { flex-direction: column; align-items: flex-start; }
  .article-nav { flex-direction: column; }
  .article-nav a { min-width: auto; }
  .site-footer .grid { grid-template-columns: 1fr; gap: 32px; }
  .site-footer .brand p { max-width: 100%; }
  .site-footer .bottom { flex-direction: column; text-align: center; }
  .info-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 36px 24px; }
  .cta-box h2 { font-size: 1.5rem; }
  .faq-item { padding: 20px 24px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .section { padding: 40px 0; }
  .section-title { font-size: 1.4rem; }
  .section-subtitle { font-size: 0.95rem; margin-bottom: 32px; }
  .article-hero h1 { font-size: 1.4rem; }
  .article-content { padding: 20px 16px; }
  .article-content p { font-size: 0.95rem; }
  .info-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 28px 16px; }
  .cta-box .btn-group { flex-direction: column; }
  .cta-box .btn { width: 100%; justify-content: center; }
  .logo span { font-size: 1.1rem; }
  .nav-list a { font-size: 0.95rem; padding: 10px 16px; }
  .faq-item { padding: 16px 18px; }
  .faq-question { font-size: 1rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2d4a7a;
            --primary-dark: #0f1a2e;
            --accent: #f5c842;
            --accent-light: #ffdd6a;
            --accent-dark: #d4a830;
            --bg-body: #f8f6f0;
            --bg-card: #ffffff;
            --bg-soft: #f0ede6;
            --bg-dark: #0f1a2e;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-soft: #7a7a8a;
            --text-light: #b0b0c0;
            --text-white: #f5f3ee;
            --border-color: #e0ddd6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 24px;
            --space-lg: 48px;
            --space-xl: 80px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== 基础 Reset ===== */
        *, *::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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { display: block; max-width: 100%; height: auto; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        button { font: inherit; cursor: pointer; border: none; background: none; }
        input, textarea { font: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 600; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.6vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.4vw, 1.6rem); }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1em; color: var(--text-secondary); }
        p:last-child { margin-bottom: 0; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 var(--space-md); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 42, 74, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            box-shadow: 0 2px 20px rgba(0,0,0,0.15);
            transition: background var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, #f5f3ee, #d4c8b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-list a.active {
            color: var(--accent);
            background: rgba(245, 200, 66, 0.12);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-list a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 14px rgba(245, 200, 66, 0.25);
        }
        .nav-list a.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245, 200, 66, 0.35); }
        .nav-list a.nav-cta i { font-size: 0.85rem; }

        /* ===== 移动底部 Tab ===== */
        .bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(15, 26, 46, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(255,255,255,0.06);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
            padding: 4px 0 env(safe-area-inset-bottom, 6px);
            justify-content: space-around;
            align-items: center;
        }
        .bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 12px;
            color: var(--text-light);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition);
            border-radius: var(--radius-sm);
            min-width: 60px;
        }
        .bottom-tab a i { font-size: 1.25rem; transition: transform var(--transition); }
        .bottom-tab a span { font-size: 0.65rem; letter-spacing: 0.3px; }
        .bottom-tab a:hover { color: var(--text-white); }
        .bottom-tab a.active { color: var(--accent); }
        .bottom-tab a.active i { transform: scale(1.1); }
        .bottom-tab a.nav-cta-mobile {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 6px 18px;
            border-radius: 20px;
            font-weight: 600;
        }
        .bottom-tab a.nav-cta-mobile i { color: var(--primary-dark); }

        /* ===== Hero / 分类 Banner ===== */
        .category-banner {
            position: relative;
            padding: 140px 0 80px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .category-banner .bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            mix-blend-mode: soft-light;
        }
        .category-banner .bg-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.88) 0%, rgba(26,42,74,0.72) 50%, rgba(15,26,46,0.92) 100%);
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .category-banner .breadcrumb a { color: var(--text-light); }
        .category-banner .breadcrumb a:hover { color: var(--accent); }
        .category-banner .breadcrumb span { color: var(--accent); }
        .category-banner h1 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .category-banner h1 i { color: var(--accent); margin-right: 12px; }
        .category-banner .subtitle {
            color: var(--text-light);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .category-banner .stats-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-banner .stat-item {
            text-align: center;
            color: var(--text-white);
        }
        .category-banner .stat-item .num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
        }
        .category-banner .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--space-xl) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        .section-header h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 14px auto 0;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 14px auto 0;
        }
        .section-bg-soft { background: var(--bg-soft); }
        .section-bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-bg-dark h2,
        .section-bg-dark h3,
        .section-bg-dark .section-header p { color: var(--text-white); }
        .section-bg-dark .section-header h2::after { background: var(--accent); }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-color);
        }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card .card-body {
            padding: var(--space-md);
        }
        .card .card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .card .card-body h3 a { color: var(--text-primary); }
        .card .card-body h3 a:hover { color: var(--primary-light); }
        .card .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .card .card-body .tag {
            display: inline-block;
            background: var(--bg-soft);
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .card .card-body .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 0.82rem;
            color: var(--text-soft);
        }
        .card .card-body .meta i { margin-right: 4px; }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: center;
        }
        .feature-block.reverse { direction: rtl; }
        .feature-block.reverse > * { direction: ltr; }
        .feature-block .img-wrapper {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
        }
        .feature-block .img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .feature-block .img-wrapper:hover img { transform: scale(1.03); }
        .feature-block .content h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .feature-block .content p {
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .feature-block .content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-block .content .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .feature-block .content .feature-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            width: 22px;
            text-align: center;
        }

        /* ===== 设备推荐卡片 ===== */
        .equip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .equip-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .equip-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .equip-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--bg-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
        }
        .equip-card h4 { font-size: 1rem; margin-bottom: 6px; }
        .equip-card p { font-size: 0.85rem; color: var(--text-soft); margin-bottom: 10px; }
        .equip-card .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
        }

        /* ===== 地点列表 ===== */
        .location-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .location-item {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            background: var(--bg-card);
            padding: var(--space-md);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .location-item:hover { box-shadow: var(--shadow-sm); transform: translateX(4px); }
        .location-item .loc-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            min-width: 40px;
        }
        .location-item .loc-info h4 { font-size: 1.05rem; margin-bottom: 4px; }
        .location-item .loc-info p { font-size: 0.88rem; color: var(--text-soft); margin: 0; }
        .location-item .loc-tag {
            margin-left: auto;
            background: var(--bg-soft);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        /* ===== 天象预报 ===== */
        .event-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .event-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .event-card .date {
            font-size: 0.82rem;
            color: var(--accent-dark);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .event-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .event-card p { font-size: 0.88rem; color: var(--text-soft); margin: 0; }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-item .faq-q {
            padding: var(--space-md);
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-primary);
            gap: var(--space-sm);
        }
        .faq-item .faq-q i {
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i { transform: rotate(180deg); }
        .faq-item .faq-a {
            padding: 0 var(--space-md) var(--space-md);
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a { display: block; }

        /* ===== CTA ===== */
        .cta-block {
            text-align: center;
            padding: var(--space-xl) 0;
        }
        .cta-block h2 { margin-bottom: 16px; }
        .cta-block p {
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
            color: var(--text-secondary);
        }
        .btn-group {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,200,66,0.3); }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255,255,255,0.25);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-color);
        }
        .btn-outline-dark:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: var(--space-xl) 0 var(--space-md);
        }
        .site-footer .grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .site-footer .brand .logo {
            font-size: 1.25rem;
            margin-bottom: 14px;
        }
        .site-footer .brand p {
            font-size: 0.9rem;
            color: var(--text-soft);
            max-width: 360px;
            line-height: 1.7;
        }
        .site-footer h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 18px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            color: var(--text-soft);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .site-footer ul li a:hover { color: var(--accent); padding-left: 4px; }
        .site-footer .bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: var(--space-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.85rem;
            color: var(--text-soft);
        }
        .site-footer .bottom a { color: var(--text-light); }
        .site-footer .bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .equip-grid { grid-template-columns: repeat(2, 1fr); }
            .event-list { grid-template-columns: repeat(2, 1fr); }
            .site-footer .grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
            .site-footer .brand { grid-column: 1 / -1; }
        }
        @media (max-width: 768px) {
            .bottom-tab { display: flex; }
            .site-header .nav-list a:not(.nav-cta) { display: none; }
            .site-header .nav-list a.nav-cta { font-size: 0.85rem; padding: 6px 16px; }
            .site-header .container { height: 60px; }
            .category-banner { padding: 110px 0 60px; min-height: 320px; }
            .category-banner .stats-row { gap: 20px; }
            .category-banner .stat-item .num { font-size: 1.5rem; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-2 { grid-template-columns: 1fr; }
            .feature-block { grid-template-columns: 1fr; gap: var(--space-md); }
            .feature-block.reverse { direction: ltr; }
            .equip-grid { grid-template-columns: repeat(2, 1fr); }
            .event-list { grid-template-columns: 1fr; }
            .location-item { flex-wrap: wrap; }
            .location-item .loc-tag { margin-left: 0; }
            .site-footer .grid { grid-template-columns: 1fr; }
            .site-footer .bottom { flex-direction: column; text-align: center; }
            .section { padding: var(--space-lg) 0; }
            .btn { padding: 12px 24px; font-size: 0.92rem; }
            body { padding-bottom: 68px; }
        }
        @media (max-width: 520px) {
            .grid-3 { grid-template-columns: 1fr; }
            .equip-grid { grid-template-columns: 1fr; }
            .category-banner h1 { font-size: 1.8rem; }
            .category-banner .subtitle { font-size: 0.95rem; }
            .section-header h2 { font-size: 1.4rem; }
            .category-banner .stats-row { flex-direction: column; gap: 12px; }
            .bottom-tab a { min-width: 48px; padding: 4px 8px; }
            .bottom-tab a i { font-size: 1.1rem; }
            .bottom-tab a span { font-size: 0.6rem; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-md { margin-top: var(--space-md); }
        .mb-md { margin-bottom: var(--space-md); }
        .gap-sm { gap: var(--space-sm); }