/* roulang page: index */
:root {
            --color-primary: #1B3A4B;
            --color-primary-light: #264F63;
            --color-primary-dark: #0F2532;
            --color-accent: #C8963E;
            --color-accent-light: #D9B068;
            --color-accent-dark: #A67A2E;
            --color-teal: #2A7F7F;
            --color-teal-light: #3A9F9F;
            --color-bg: #F8F7F4;
            --color-bg-white: #FFFFFF;
            --color-bg-warm: #FDFBF7;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #8b8b8b;
            --color-border: #e0dcd4;
            --color-border-light: #ece8df;
            --color-shadow: rgba(27,58,75,0.08);
            --color-shadow-hover: rgba(27,58,75,0.16);
            --color-overlay: rgba(15,37,50,0.65);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-card: 0 1px 3px var(--color-shadow), 0 2px 8px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 4px 16px var(--color-shadow-hover), 0 6px 24px rgba(0,0,0,0.06);
            --shadow-nav: 0 1px 0 rgba(0,0,0,0.04), 0 2px 12px rgba(0,0,0,0.05);
            --shadow-btn: 0 2px 8px rgba(200,150,62,0.3);
            --shadow-btn-hover: 0 4px 18px rgba(200,150,62,0.45);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Serif SC', serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --max-width: 1200px;
            --nav-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg);overflow-x:hidden;min-height:100vh}
        a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.25;color:var(--color-primary)}
        h1{font-size:clamp(2rem,3.8vw,3.2rem);letter-spacing:-0.02em}
        h2{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-0.01em}
        h3{font-size:clamp(1.15rem,1.6vw,1.35rem)}
        p{margin-bottom:var(--spacing-sm);color:var(--color-text-soft)}

        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-md)}
        @media(min-width:1400px){.container{max-width:1280px}}
        @media(max-width:768px){.container{padding:0 var(--spacing-sm)}}

        .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

        /* Header & Navigation */
        .site-header{position:sticky;top:0;z-index:100;background:var(--color-bg-white);box-shadow:var(--shadow-nav);height:var(--nav-height);display:flex;align-items:center}
        .header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-md);height:100%}
        @media(min-width:1400px){.header-inner{max-width:1280px}}
        .logo-link{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:1.35rem;font-weight:700;color:var(--color-primary);letter-spacing:-0.01em;white-space:nowrap;flex-shrink:0}
        .logo-link:hover{color:var(--color-primary-light)}
        .logo-icon{width:36px;height:36px;background:var(--color-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1rem;flex-shrink:0}
        .nav-main{display:flex;align-items:center;gap:var(--spacing-xs);margin-left:auto;margin-right:var(--spacing-md)}
        .nav-main a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--color-text-soft);transition:all var(--transition-fast);position:relative}
        .nav-main a:hover{color:var(--color-primary);background:var(--color-bg-warm)}
        .nav-main a.active{color:var(--color-primary);font-weight:600}
        .nav-main a.active::after{content:'';position:absolute;bottom:2px;left:16px;right:16px;height:2.5px;background:var(--color-accent);border-radius:2px}
        .nav-cta-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;background:var(--color-accent);color:#fff;font-weight:600;font-size:0.9rem;border-radius:var(--radius-md);white-space:nowrap;transition:all var(--transition-base);box-shadow:var(--shadow-btn);flex-shrink:0}
        .nav-cta-btn:hover{background:var(--color-accent-dark);box-shadow:var(--shadow-btn-hover);transform:translateY(-1px);color:#fff}
        .nav-cta-btn:active{transform:translateY(0);box-shadow:var(--shadow-btn)}
        .mobile-toggle{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-sm);cursor:pointer;z-index:101}
        .mobile-toggle span{display:block;width:24px;height:2.5px;background:var(--color-primary);border-radius:2px;transition:all var(--transition-fast)}
        .mobile-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
        .mobile-toggle.active span:nth-child(2){opacity:0}
        .mobile-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
        @media(max-width:768px){
            .nav-main{position:fixed;top:var(--nav-height);left:0;right:0;background:var(--color-bg-white);flex-direction:column;padding:var(--spacing-md);gap:4px;box-shadow:0 8px 24px rgba(0,0,0,0.1);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all var(--transition-base);margin:0;z-index:99}
            .nav-main.open{transform:translateY(0);opacity:1;pointer-events:auto}
            .nav-main a{padding:12px 16px;width:100%;border-radius:var(--radius-sm)}
            .nav-main a.active::after{bottom:4px;left:16px;right:16px}
            .nav-cta-btn{margin-left:auto;margin-right:8px;padding:8px 16px;font-size:0.85rem}
            .mobile-toggle{display:flex}
        }
        @media(max-width:520px){
            .nav-cta-btn{padding:7px 14px;font-size:0.8rem;gap:4px}
            .logo-link{font-size:1.1rem}
            .logo-icon{width:30px;height:30px;font-size:0.85rem}
            .site-header{height:58px;--nav-height:58px}
        }

        /* Hero Section */
        .hero{position:relative;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;min-height:clamp(420px,60vh,600px);display:flex;align-items:center;overflow:hidden}
        .hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--color-overlay) 0%,rgba(15,37,50,0.45) 50%,rgba(27,58,75,0.55) 100%)}
        .hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(transparent,var(--color-bg) 90%)}
        .hero-content{position:relative;z-index:2;max-width:700px;padding:var(--spacing-2xl) 0}
        .hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.15);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.25);color:#fff;padding:7px 16px;border-radius:20px;font-size:0.85rem;font-weight:500;margin-bottom:var(--spacing-md);letter-spacing:0.02em}
        .hero-badge .dot{width:7px;height:7px;background:var(--color-accent);border-radius:50%;animation:pulse-dot 2s ease infinite}
        @keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.6)}}
        .hero h1{color:#fff;margin-bottom:var(--spacing-sm);text-shadow:0 2px 12px rgba(0,0,0,0.3)}
        .hero h1 .highlight{color:var(--color-accent-light);position:relative}
        .hero-desc{font-size:1.1rem;color:rgba(255,255,255,0.85);line-height:1.8;margin-bottom:var(--spacing-lg);max-width:540px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--radius-md);font-weight:600;font-size:0.95rem;transition:all var(--transition-base);white-space:nowrap;letter-spacing:0.01em}
        .btn-primary{background:var(--color-accent);color:#fff;box-shadow:var(--shadow-btn)}
        .btn-primary:hover{background:var(--color-accent-dark);box-shadow:var(--shadow-btn-hover);transform:translateY(-2px);color:#fff}
        .btn-primary:active{transform:translateY(0)}
        .btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.5);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
        .btn-outline:hover{background:rgba(255,255,255,0.12);border-color:rgba(255,255,255,0.8);color:#fff;transform:translateY(-2px)}
        .btn-outline:active{transform:translateY(0)}
        .hero-nodes{position:absolute;z-index:1;pointer-events:none}
        .hero-node{position:absolute;width:10px;height:10px;background:var(--color-accent);border-radius:50%;box-shadow:0 0 12px rgba(200,150,62,0.6)}
        .hero-node.n1{top:22%;left:18%;animation:float-node 4s ease-in-out infinite}
        .hero-node.n2{top:55%;right:15%;animation:float-node 5s ease-in-out 1.5s infinite;width:7px;height:7px}
        .hero-node.n3{bottom:25%;left:40%;animation:float-node 4.5s ease-in-out 0.8s infinite;width:8px;height:8px}
        @keyframes float-node{0%,100%{transform:translateY(0);opacity:0.8}50%{transform:translateY(-14px);opacity:1}}
        @media(max-width:768px){
            .hero{min-height:clamp(360px,50vh,480px)}
            .hero-content{padding:var(--spacing-xl) 0}
            .hero-desc{font-size:0.95rem}
            .hero-actions{flex-direction:column;width:100%}
            .btn{justify-content:center;width:100%}
            .hero-node.n2{right:8%}
        }

        /* Section Common */
        .section{padding:var(--spacing-3xl) 0}
        @media(max-width:768px){.section{padding:var(--spacing-2xl) 0}}
        @media(max-width:520px){.section{padding:var(--spacing-xl) 0}}
        .section-header{text-align:center;margin-bottom:var(--spacing-xl)}
        .section-header h2{margin-bottom:var(--spacing-xs)}
        .section-header .subtitle{color:var(--color-text-muted);font-size:1rem;max-width:560px;margin:0 auto}
        .section-tag{display:inline-block;background:var(--color-bg-warm);color:var(--color-accent-dark);padding:5px 14px;border-radius:20px;font-size:0.8rem;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;margin-bottom:var(--spacing-sm);border:1px solid var(--color-border-light)}

        /* Features Grid */
        .features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md)}
        .feature-card{background:var(--color-bg-white);border-radius:var(--radius-lg);padding:var(--spacing-lg) var(--spacing-md);box-shadow:var(--shadow-card);border:1px solid var(--color-border-light);transition:all var(--transition-base);position:relative;overflow:hidden}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-accent),var(--color-teal));opacity:0;transition:opacity var(--transition-base)}
        .feature-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px)}
        .feature-card:hover::before{opacity:1}
        .feature-icon{width:50px;height:50px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:var(--spacing-sm);background:var(--color-bg-warm);color:var(--color-primary)}
        .feature-card h3{margin-bottom:6px;font-size:1.1rem}
        .feature-card p{font-size:0.9rem;color:var(--color-text-muted);margin-bottom:0}
        @media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:520px){.features-grid{grid-template-columns:1fr}}

        /* Category Entry Cards */
        .category-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:var(--spacing-md);max-width:800px;margin:0 auto}
        .category-card{display:flex;align-items:center;gap:var(--spacing-md);background:var(--color-bg-white);border-radius:var(--radius-lg);padding:var(--spacing-md);box-shadow:var(--shadow-card);border:1px solid var(--color-border-light);transition:all var(--transition-base);cursor:pointer}
        .category-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:var(--color-accent)}
        .category-card-img{width:140px;height:100px;border-radius:var(--radius-md);object-fit:cover;flex-shrink:0}
        .category-card-body{flex:1;min-width:0}
        .category-card-body h3{font-size:1.15rem;margin-bottom:4px}
        .category-card-body p{font-size:0.9rem;color:var(--color-text-muted);margin-bottom:0;line-height:1.5}
        .category-card-arrow{font-size:1.3rem;color:var(--color-accent);flex-shrink:0;transition:transform var(--transition-fast)}
        .category-card:hover .category-card-arrow{transform:translateX(4px)}
        @media(max-width:520px){
            .category-card{flex-direction:column;text-align:center}
            .category-card-img{width:100%;height:160px}
            .category-card-arrow{display:none}
        }

        /* Stats Bar */
        .stats-section{background:var(--color-primary);padding:var(--spacing-xl) 0;position:relative;overflow:hidden}
        .stats-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.08;mix-blend-mode:overlay}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md);position:relative;z-index:1}
        .stat-item{text-align:center;color:#fff}
        .stat-number{font-size:clamp(1.6rem,2.2vw,2.4rem);font-weight:800;font-family:var(--font-heading);color:var(--color-accent-light);letter-spacing:-0.02em}
        .stat-label{font-size:0.9rem;color:rgba(255,255,255,0.75);margin-top:4px}
        @media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}}
        @media(max-width:520px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}}

        /* News List (CMS) */
        .news-list{display:flex;flex-direction:column;gap:var(--spacing-sm);max-width:900px;margin:0 auto}
        .news-item{display:flex;align-items:center;gap:var(--spacing-md);background:var(--color-bg-white);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);box-shadow:var(--shadow-card);border:1px solid var(--color-border-light);transition:all var(--transition-fast)}
        .news-item:hover{box-shadow:var(--shadow-card-hover);border-color:var(--color-accent);transform:translateX(3px)}
        .news-item-thumb{width:90px;height:64px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0}
        .news-item-body{flex:1;min-width:0}
        .news-item-body h4{font-size:1rem;margin-bottom:3px;font-weight:600;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .news-item-body h4 a{color:var(--color-primary);transition:color var(--transition-fast)}
        .news-item-body h4 a:hover{color:var(--color-accent-dark)}
        .news-item-meta{display:flex;gap:var(--spacing-sm);font-size:0.8rem;color:var(--color-text-muted)}
        .news-item-tag{display:inline-block;background:var(--color-bg-warm);color:var(--color-accent-dark);padding:2px 10px;border-radius:12px;font-size:0.75rem;font-weight:500}
        .news-empty{text-align:center;padding:var(--spacing-xl);color:var(--color-text-muted);font-size:1rem;background:var(--color-bg-white);border-radius:var(--radius-lg);border:1px dashed var(--color-border)}
        @media(max-width:520px){
            .news-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}
            .news-item-thumb{width:100%;height:140px}
            .news-item-body h4{white-space:normal}
        }

        /* Process / Steps */
        .process-steps{display:flex;gap:var(--spacing-md);position:relative;max-width:1000px;margin:0 auto}
        .process-steps::before{content:'';position:absolute;top:36px;left:40px;right:40px;height:2px;background:var(--color-border);z-index:0}
        @media(max-width:768px){.process-steps::before{display:none}}
        .process-step{flex:1;text-align:center;position:relative;z-index:1;background:var(--color-bg);padding:0 var(--spacing-xs)}
        .step-node{width:72px;height:72px;border-radius:var(--radius-full);background:var(--color-bg-white);border:3px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:var(--color-primary);margin:0 auto var(--spacing-sm);transition:all var(--transition-base);position:relative}
        .process-step.completed .step-node{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
        .process-step.active .step-node{border-color:var(--color-accent);box-shadow:0 0 0 8px rgba(200,150,62,0.12)}
        .process-step h4{font-size:0.95rem;margin-bottom:4px}
        .process-step p{font-size:0.82rem;color:var(--color-text-muted);margin-bottom:0}
        @media(max-width:768px){
            .process-steps{flex-direction:column;gap:var(--spacing-lg)}
            .process-step{display:flex;align-items:center;gap:var(--spacing-md);text-align:left}
            .step-node{width:56px;height:56px;font-size:1.2rem;margin:0;flex-shrink:0}
        }

        /* FAQ */
        .faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:var(--spacing-sm)}
        .faq-item{background:var(--color-bg-white);border-radius:var(--radius-md);border:1px solid var(--color-border-light);overflow:hidden;transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--color-border)}
        .faq-question{padding:var(--spacing-md);display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:600;font-size:1rem;color:var(--color-primary);gap:var(--spacing-sm);user-select:none}
        .faq-question::after{content:'+';font-size:1.4rem;color:var(--color-accent);flex-shrink:0;transition:transform var(--transition-fast);width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--color-bg-warm)}
        .faq-item.open .faq-question::after{content:'−';transform:rotate(180deg)}
        .faq-answer{padding:0 var(--spacing-md);max-height:0;overflow:hidden;transition:all var(--transition-base);color:var(--color-text-soft);font-size:0.92rem;line-height:1.7}
        .faq-item.open .faq-answer{padding:0 var(--spacing-md) var(--spacing-md);max-height:300px}
        .faq-item.open{border-color:var(--color-accent);box-shadow:var(--shadow-card)}

        /* CTA Section */
        .cta-section{background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;position:relative;padding:var(--spacing-3xl) 0;text-align:center}
        .cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(27,58,75,0.88),rgba(15,37,50,0.78))}
        .cta-content{position:relative;z-index:1;max-width:600px;margin:0 auto}
        .cta-content h2{color:#fff;margin-bottom:var(--spacing-sm)}
        .cta-content p{color:rgba(255,255,255,0.8);font-size:1.05rem;margin-bottom:var(--spacing-lg)}
        .cta-content .btn-primary{font-size:1rem;padding:15px 36px;border-radius:var(--radius-lg)}
        @media(max-width:520px){.cta-content{padding:0 var(--spacing-sm)}}

        /* Footer */
        .site-footer{background:var(--color-primary-dark);color:rgba(255,255,255,0.7);padding:var(--spacing-xl) 0 var(--spacing-md)}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--spacing-xl);margin-bottom:var(--spacing-lg)}
        .footer-brand .logo-link{color:#fff;font-size:1.2rem;margin-bottom:var(--spacing-sm);display:inline-flex}
        .footer-brand p{color:rgba(255,255,255,0.55);font-size:0.9rem;max-width:300px}
        .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:var(--spacing-sm);font-weight:600}
        .footer-col a{display:block;color:rgba(255,255,255,0.55);font-size:0.88rem;padding:4px 0;transition:color var(--transition-fast)}
        .footer-col a:hover{color:var(--color-accent-light)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:var(--spacing-md);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:var(--spacing-sm);font-size:0.82rem}
        .footer-bottom span{color:rgba(255,255,255,0.4)}
        @media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}}
        @media(max-width:520px){.footer-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.footer-bottom{flex-direction:column;text-align:center}}

        /* Decorative path line for visual theme */
        .path-accent{position:relative}
        .path-accent::after{content:'';position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--color-accent);border-radius:2px}
        @media(max-width:520px){.path-accent::after{width:40px}}

/* roulang page: article */
:root {
            --primary-900: #0a1628;
            --primary-800: #111d33;
            --primary-700: #1a2a45;
            --primary-600: #243656;
            --primary-500: #2d4268;
            --accent-500: #c8963e;
            --accent-400: #d4a75c;
            --accent-300: #e2bd7a;
            --accent-200: #f0d6a0;
            --accent-100: #faf0dc;
            --surface-0: #ffffff;
            --surface-50: #faf9f6;
            --surface-100: #f5f2ec;
            --surface-200: #ede8df;
            --surface-300: #e0d9ce;
            --text-900: #1a1d23;
            --text-700: #3d4452;
            --text-500: #6e7585;
            --text-300: #a0a7b4;
            --text-100: #d5d9e0;
            --border-light: #e8e4dc;
            --border-soft: #f0ece5;
            --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.08);
            --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.12);
            --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-display: 'Playfair Display', 'Noto Sans SC', serif;
            --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-700);
            background-color: var(--surface-50);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
        }

        ::selection {
            background-color: var(--accent-300);
            color: var(--primary-900);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            width: 100%;
            max-width: 820px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary-800);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
            color: #fff;
            font-weight: 900;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            border-radius: var(--radius-md);
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(26, 42, 69, 0.3);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-main a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-500);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-main a:hover {
            color: var(--primary-700);
            background: var(--surface-100);
        }

        .nav-main a.active {
            color: var(--primary-800);
            font-weight: 600;
            background: var(--surface-100);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-500);
            border-radius: 3px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            background: linear-gradient(135deg, var(--accent-500) 0%, #b8812e 100%);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.5);
            background: linear-gradient(135deg, var(--accent-400) 0%, #c8963e 100%);
            color: #fff !important;
        }

        .nav-cta i {
            font-size: 0.8rem;
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary-700);
            border-radius: 3px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ===== ARTICLE BANNER ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 64px;
            background: var(--primary-800);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(17, 29, 51, 0.85) 100%);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--accent-300);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-100);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-300);
        }

        .breadcrumb .sep {
            color: var(--text-300);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-400);
            font-weight: 500;
        }

        .article-banner .article-meta-top {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: rgba(200, 150, 62, 0.2);
            color: var(--accent-300);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            border: 1px solid rgba(200, 150, 62, 0.3);
            letter-spacing: 0.02em;
        }

        .article-date-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--text-100);
            font-size: 0.85rem;
        }

        .article-date-badge i {
            font-size: 0.75rem;
            color: var(--accent-400);
        }

        .article-banner h1 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            color: #ffffff;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin: 0 0 12px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .article-banner .banner-subtitle {
            font-size: 1.05rem;
            color: var(--text-100);
            line-height: 1.6;
            max-width: 640px;
        }

        /* banner decorative map nodes */
        .map-node {
            position: absolute;
            z-index: 1;
            pointer-events: none;
        }

        .map-node::before {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            background: var(--accent-500);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(200, 150, 62, 0.7), 0 0 30px rgba(200, 150, 62, 0.3);
            animation: nodePulse 3s ease-in-out infinite;
        }

        .map-node.n1 {
            top: 18%;
            left: 8%;
            animation-delay: 0s;
        }
        .map-node.n2 {
            top: 60%;
            right: 10%;
            animation-delay: 1.2s;
        }
        .map-node.n3 {
            top: 30%;
            right: 25%;
            animation-delay: 2.4s;
        }

        @keyframes nodePulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.8;
            }
            50% {
                transform: scale(1.8);
                opacity: 0.35;
            }
        }

        /* decorative dotted path line */
        .path-line {
            position: absolute;
            z-index: 0;
            pointer-events: none;
            border-top: 2px dashed rgba(200, 150, 62, 0.25);
            transform: rotate(-8deg);
        }

        .path-line.pl1 {
            top: 22%;
            left: 10%;
            width: 200px;
        }
        .path-line.pl2 {
            top: 55%;
            right: 12%;
            width: 160px;
            transform: rotate(6deg);
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: 56px 0 64px;
            background: var(--surface-0);
            position: relative;
        }

        .article-content-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-500);
            border-radius: 4px;
            z-index: 2;
        }

        .article-card {
            background: var(--surface-0);
            border-radius: var(--radius-xl);
            padding: 48px 52px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            position: relative;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 40px;
            right: 40px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent-300), transparent);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-700);
        }

        .article-body h2 {
            font-family: var(--font-display);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary-800);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-soft);
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-700);
            margin: 28px 0 12px;
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-body li::marker {
            color: var(--accent-500);
        }

        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 28px;
            background: var(--surface-100);
            border-left: 4px solid var(--accent-500);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-500);
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }

        .article-body a {
            color: var(--accent-500);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: #b8812e;
        }

        .article-body strong {
            color: var(--text-900);
            font-weight: 600;
        }

        .article-footer-meta {
            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-soft);
        }

        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .article-tag {
            display: inline-flex;
            padding: 5px 12px;
            background: var(--surface-100);
            color: var(--text-500);
            font-size: 0.8rem;
            border-radius: 50px;
            font-weight: 500;
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-share span {
            font-size: 0.85rem;
            color: var(--text-500);
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--surface-100);
            color: var(--text-500);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }

        .share-btn:hover {
            background: var(--primary-700);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== NOT FOUND STATE ===== */
        .not-found-card {
            text-align: center;
            padding: 64px 32px;
            background: var(--surface-0);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--text-300);
            margin-bottom: 20px;
        }

        .not-found-card h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            color: var(--primary-800);
            margin-bottom: 12px;
        }

        .not-found-card p {
            color: var(--text-500);
            margin-bottom: 24px;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent-500);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
        }

        .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.5);
            color: #fff;
            background: #b8812e;
        }

        /* ===== RELATED SECTION ===== */
        .related-section {
            padding: 56px 0 72px;
            background: var(--surface-50);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-500);
            margin-bottom: 8px;
        }

        .section-label::before {
            content: '';
            display: block;
            width: 28px;
            height: 2px;
            background: var(--accent-500);
            border-radius: 2px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-800);
            margin-bottom: 36px;
            letter-spacing: -0.01em;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--surface-0);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .rc-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-500);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .related-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-900);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-500);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 12px;
        }

        .related-card-body .rc-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-500);
            transition: gap var(--transition-fast);
        }

        .related-card-body .rc-link:hover {
            gap: 10px;
            color: #b8812e;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: 64px 0 72px;
            background: var(--primary-800);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-inner .section-label {
            justify-content: center;
            color: var(--accent-300);
        }

        .cta-inner .section-label::before {
            background: var(--accent-400);
        }

        .cta-inner h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3.5vw, 2.3rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: var(--text-100);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-500) 0%, #b8812e 100%);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.4);
            transition: all var(--transition-bounce);
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(200, 150, 62, 0.55);
            color: #fff;
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-fast);
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary-900);
            color: var(--text-100);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-link {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-300);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-400);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-300);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: var(--text-300);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-card {
                padding: 36px 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-main {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--surface-0);
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 28px 32px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-smooth);
                z-index: 999;
            }
            .nav-main.open {
                right: 0;
            }
            .nav-main a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                border-left: 3px solid var(--accent-500);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .article-banner {
                padding: 56px 0 44px;
                min-height: 240px;
            }
            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .article-card::before {
                left: 20px;
                right: 20px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card-img {
                height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .cta-inner h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .article-card {
                padding: 20px 16px;
            }
            .article-body {
                font-size: 0.93rem;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 1.15rem;
                margin: 24px 0 10px;
            }
            .article-body blockquote {
                padding: 14px 18px;
                margin: 16px 0;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
            .map-node {
                display: none;
            }
            .path-line {
                display: none;
            }
            .related-card-img {
                height: 160px;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1A3C54;
            --primary-light: #2A5A78;
            --primary-dark: #0F2838;
            --accent: #C8843C;
            --accent-light: #E8B06C;
            --accent-dark: #A0682A;
            --accent-glow: #F5D5A8;
            --bg: #FBFAF6;
            --bg-warm: #F5F1E8;
            --surface: #FFFFFF;
            --text: #2C2C2C;
            --text-light: #6E6E6E;
            --text-lighter: #999999;
            --border: #E8E3DA;
            --border-light: #F0EDE6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(26, 60, 84, 0.04);
            --shadow: 0 4px 24px rgba(26, 60, 84, 0.06);
            --shadow-md: 0 8px 36px rgba(26, 60, 84, 0.09);
            --shadow-lg: 0 16px 48px rgba(26, 60, 84, 0.12);
            --shadow-accent: 0 4px 20px rgba(200, 132, 60, 0.18);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
        }
        ::selection {
            background-color: var(--accent);
            color: #fff;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ============ Header & Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--accent);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-weight: 900;
            font-size: 1rem;
            border-radius: 10px;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-main a:hover {
            color: var(--accent);
            background: rgba(200, 132, 60, 0.06);
        }
        .nav-main a.active {
            color: var(--accent);
            background: rgba(200, 132, 60, 0.1);
            font-weight: 600;
        }
        .nav-main 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-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.93rem;
            border-radius: 50px;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition);
            white-space: nowrap;
            margin-left: 8px;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
            box-shadow: 0 6px 28px rgba(200, 132, 60, 0.3);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-accent);
        }
        .nav-cta-btn .cta-icon {
            font-size: 1.1rem;
        }
        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(200, 132, 60, 0.06);
        }
        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
            transform-origin: center;
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-main {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 18px 20px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-slow);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                justify-content: center;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-cta-btn {
                margin-left: 0;
                justify-content: center;
                text-align: center;
                margin-top: 8px;
                padding: 13px 22px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .logo-link {
                font-size: 1.1rem;
                gap: 7px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
                border-radius: 8px;
            }
        }

        /* ============ 分类Hero ============ */
        .category-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            overflow: hidden;
            isolation: isolate;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 132, 60, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(200, 132, 60, 0.08) 0%, transparent 50%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
            padding-top: 50px;
            padding-bottom: 50px;
        }
        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            flex-wrap: wrap;
        }
        .category-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .category-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .category-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.7rem;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.15;
            max-width: 700px;
        }
        .category-hero h1 .highlight {
            color: var(--accent-light);
            position: relative;
        }
        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.6;
        }
        .category-hero .hero-search {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin-top: 8px;
        }
        .category-hero .hero-search input {
            flex: 1;
            padding: 13px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.15);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .category-hero .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .category-hero .hero-search input:focus {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.55);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }
        .category-hero .hero-search button {
            padding: 13px 24px;
            border-radius: 50px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }
        .category-hero .hero-search button:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 28px rgba(200, 132, 60, 0.35);
        }
        /* 路线进度步骤条 */
        .route-steps {
            display: flex;
            gap: 0;
            margin-top: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .route-step {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
        }
        .route-step .step-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-light);
            flex-shrink: 0;
            box-shadow: 0 0 10px rgba(200, 132, 60, 0.5);
        }
        .route-step .step-dot.active {
            background: #fff;
            box-shadow: 0 0 16px rgba(255, 255, 255, 0.6);
            width: 13px;
            height: 13px;
        }
        .route-step-connector {
            width: 36px;
            height: 2px;
            background: rgba(255, 255, 255, 0.35);
            border-radius: 1px;
            flex-shrink: 0;
            margin: 0 4px;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 360px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .category-hero .hero-search {
                flex-direction: column;
                max-width: 100%;
            }
            .category-hero .hero-search button {
                text-align: center;
                justify-content: center;
            }
            .route-steps {
                gap: 6px;
                flex-wrap: wrap;
            }
            .route-step {
                font-size: 0.8rem;
                gap: 6px;
            }
            .route-step-connector {
                width: 20px;
                margin: 0 2px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .container {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .route-steps {
                gap: 3px;
            }
            .route-step {
                font-size: 0.72rem;
            }
            .route-step-connector {
                width: 14px;
                margin: 0 1px;
            }
        }

        /* ============ 区域标签筛选区 ============ */
        .region-filters-section {
            padding: 40px 0 0;
        }
        .region-filters {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .region-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 50px;
            border: 2px solid var(--border);
            background: var(--surface);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .region-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(200, 132, 60, 0.04);
            box-shadow: var(--shadow-sm);
        }
        .region-tag.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: var(--shadow-accent);
            font-weight: 600;
        }
        .region-tag .tag-icon {
            font-size: 1rem;
        }
        @media (max-width: 520px) {
            .region-filters {
                gap: 7px;
            }
            .region-tag {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
        }

        /* ============ 路线节点卡片区 ============ */
        .routes-section {
            padding: 48px 0 60px;
        }
        .routes-section .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .routes-section .section-header h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }
        .routes-section .section-header p {
            color: var(--text-light);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto;
        }
        .route-node-list {
            position: relative;
            padding-left: 52px;
            max-width: 900px;
            margin: 0 auto;
        }
        .route-node-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: linear-gradient(to bottom,
                    var(--accent-glow) 0%,
                    var(--accent) 15%,
                    var(--primary-light) 50%,
                    var(--accent) 85%,
                    var(--accent-glow) 100%);
            border-radius: 2px;
            z-index: 0;
        }
        .route-node-card {
            position: relative;
            margin-bottom: 28px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            z-index: 1;
        }
        .route-node-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .route-node-card::before {
            content: '';
            position: absolute;
            left: -52px;
            top: 28px;
            width: 16px;
            height: 16px;
            background: var(--accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px var(--accent), 0 0 16px rgba(200, 132, 60, 0.3);
            z-index: 2;
            transition: all var(--transition);
        }
        .route-node-card:hover::before {
            background: var(--accent-light);
            box-shadow: 0 0 0 4px var(--accent), 0 0 24px rgba(200, 132, 60, 0.45);
            transform: scale(1.2);
        }
        .route-node-card:last-child {
            margin-bottom: 0;
        }
        .route-node-card-inner {
            display: flex;
            gap: 24px;
            padding: 24px;
            align-items: stretch;
        }
        .route-node-card .card-image {
            width: 220px;
            flex-shrink: 0;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4/3;
            position: relative;
        }
        .route-node-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .route-node-card:hover .card-image img {
            transform: scale(1.06);
        }
        .route-node-card .card-image .region-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 60, 84, 0.85);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            letter-spacing: 0.3px;
        }
        .route-node-card .card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-width: 0;
        }
        .route-node-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.3;
        }
        .route-node-card .card-body .card-meta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.84rem;
            color: var(--text-light);
            align-items: center;
        }
        .route-node-card .card-body .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .route-node-card .card-body .card-desc {
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .route-node-card .card-body .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .route-node-card .card-body .card-tags .mini-tag {
            padding: 3px 10px;
            border-radius: 50px;
            background: rgba(26, 60, 84, 0.06);
            color: var(--primary-light);
            font-size: 0.78rem;
            font-weight: 500;
        }
        /* 热度进度条 */
        .route-node-card .heat-bar-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }
        .route-node-card .heat-bar {
            flex: 1;
            height: 6px;
            background: var(--border-light);
            border-radius: 3px;
            overflow: hidden;
        }
        .route-node-card .heat-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
            border-radius: 3px;
            transition: width var(--transition-slow);
        }
        .route-node-card:hover .heat-bar-fill {
            width: 100% !important;
        }
        .route-node-card .heat-label {
            font-size: 0.8rem;
            color: var(--text-lighter);
            white-space: nowrap;
            font-weight: 500;
        }
        .route-node-card .card-action {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 6px;
            transition: gap var(--transition-fast);
        }
        .route-node-card .card-action:hover {
            gap: 9px;
            color: var(--accent-dark);
        }
        .route-node-card .card-action .arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
        }
        .route-node-card .card-action:hover .arrow {
            transform: translateX(3px);
        }
        @media (max-width: 768px) {
            .route-node-list {
                padding-left: 38px;
            }
            .route-node-list::before {
                left: 14px;
            }
            .route-node-card::before {
                left: -38px;
                top: 22px;
                width: 13px;
                height: 13px;
            }
            .route-node-card-inner {
                flex-direction: column;
                gap: 16px;
                padding: 18px;
            }
            .route-node-card .card-image {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .route-node-card .card-body h3 {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .route-node-list {
                padding-left: 32px;
            }
            .route-node-list::before {
                left: 10px;
                width: 2px;
            }
            .route-node-card::before {
                left: -32px;
                top: 18px;
                width: 10px;
                height: 10px;
                border-width: 2px;
                box-shadow: 0 0 0 3px var(--accent), 0 0 10px rgba(200, 132, 60, 0.25);
            }
            .route-node-card-inner {
                padding: 14px;
            }
            .route-node-card .card-body h3 {
                font-size: 1rem;
            }
            .route-node-card .card-body .card-desc {
                font-size: 0.85rem;
            }
            .routes-section .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ============ 精选路线宽幅展示区 ============ */
        .featured-route-section {
            padding: 50px 0 60px;
            background: var(--bg-warm);
        }
        .featured-route-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .featured-route-section .section-header h2 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .featured-route-section .section-header p {
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .featured-card .fc-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .featured-card .fc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .fc-image img {
            transform: scale(1.05);
        }
        .featured-card .fc-image .fc-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px 16px 12px;
            background: linear-gradient(to top, rgba(26, 60, 84, 0.7) 0%, transparent 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            display: flex;
            align-items: flex-end;
            gap: 6px;
        }
        .featured-card .fc-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .featured-card .fc-body h3 {
            font-size: 1.1rem;
            color: var(--primary-dark);
        }
        .featured-card .fc-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card .fc-body .fc-link {
            margin-top: auto;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .featured-card .fc-body .fc-link:hover {
            gap: 8px;
            color: var(--accent-dark);
        }
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 56px 0 60px;
            background: var(--surface);
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .faq-section .section-header h2 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .faq-section .section-header p {
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--text-light);
            transition: all var(--transition);
            font-weight: 400;
            line-height: 1;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-light);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.93rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.86rem;
            }
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
            mix-blend-mode: soft-light;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            font-weight: 800;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 500px;
            line-height: 1.6;
        }
        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-section .btn-cta-primary {
            padding: 14px 32px;
            border-radius: 50px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .cta-section .btn-cta-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 32px rgba(200, 132, 60, 0.4);
            transform: translateY(-2px);
        }
        .cta-section .btn-cta-outline {
            padding: 14px 32px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .cta-section .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.45rem;
            }
            .cta-section p {
                font-size: 0.93rem;
            }
            .cta-section .btn-cta-primary,
            .cta-section .btn-cta-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 0;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .site-footer .footer-brand .logo-link {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .site-footer .footer-brand .logo-link:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-brand .logo-link .logo-icon {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
        }
        .site-footer .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-top: 4px;
            max-width: 280px;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        /* ============ 动画 ============ */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.55s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

        /* ============ 无结果提示 ============ */
        .no-results {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-lighter);
            font-size: 1rem;
            display: none;
        }
        .no-results.visible {
            display: block;
        }