/* roulang page: index */
:root {
            --primary: #0B1A33;
            --primary-light: #1B263B;
            --accent: #00E5FF;
            --gold: #F0C040;
            --bg-dark: #0D1B2A;
            --bg-card: rgba(255,255,255,0.06);
            --border-glass: rgba(255,255,255,0.1);
            --text-white: #FFFFFF;
            --text-light: #E0E6ED;
            --text-body: #C8D0DC;
            --text-muted: #8A9BB0;
            --radius-card: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
            --font-cn: 'PingFang SC','Microsoft YaHei',sans-serif;
            --font-en: 'Inter',sans-serif;
            --spacer: 80px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            font-family:var(--font-cn);
            background:var(--bg-dark);
            color:var(--text-body);
            line-height:1.7;
            overflow-x:hidden;
            -webkit-font-smoothing:antialiased;
        }
        a{color:var(--accent);text-decoration:none;transition:color 0.3s}
        a:hover{color:var(--gold)}
        img{max-width:100%;height:auto;display:block}
        .container{max-width:1140px;padding:0 20px;margin:0 auto}
        .container-narrow{max-width:800px;margin:0 auto}
        .section{padding:var(--spacer) 0}
        .section-title{font-size:2rem;font-weight:700;color:var(--text-white);margin-bottom:0.5rem}
        .section-subtitle{font-size:1rem;color:var(--text-muted);margin-bottom:2.5rem}
        .glass-card{
            background:var(--bg-card);
            border:1px solid var(--border-glass);
            backdrop-filter:blur(12px);
            -webkit-backdrop-filter:blur(12px);
            border-radius:var(--radius-card);
            box-shadow:var(--shadow-card);
            padding:24px;
            transition:border-color 0.4s,transform 0.3s;
        }
        .glass-card:hover{border-color:rgba(0,229,255,0.3);transform:translateY(-4px)}
        .btn-accent{
            background:var(--accent);
            color:var(--primary);
            border:none;
            border-radius:var(--radius-sm);
            padding:12px 32px;
            font-weight:700;
            font-size:1rem;
            box-shadow:0 0 20px rgba(0,229,255,0.3);
            transition:box-shadow 0.3s,transform 0.2s;
            display:inline-flex;align-items:center;gap:8px;
        }
        .btn-accent:hover{
            box-shadow:0 0 30px rgba(0,229,255,0.5);
            transform:translateY(-2px);
            color:var(--primary);
        }
        .btn-outline-accent{
            background:transparent;
            color:var(--accent);
            border:1px solid var(--accent);
            border-radius:var(--radius-sm);
            padding:10px 28px;
            font-weight:600;
            font-size:1rem;
            transition:background 0.3s,box-shadow 0.3s;
            display:inline-flex;align-items:center;gap:8px;
        }
        .btn-outline-accent:hover{
            background:rgba(0,229,255,0.12);
            box-shadow:0 0 16px rgba(0,229,255,0.2);
            color:var(--accent);
        }
        .btn-gold{
            background:var(--gold);
            color:var(--primary);
            border:none;
            border-radius:var(--radius-sm);
            padding:12px 32px;
            font-weight:700;
            font-size:1rem;
            box-shadow:0 0 20px rgba(240,192,64,0.25);
            transition:box-shadow 0.3s,transform 0.2s;
        }
        .btn-gold:hover{
            box-shadow:0 0 30px rgba(240,192,64,0.4);
            transform:translateY(-2px);
            color:var(--primary);
        }
        .badge-gold{
            background:var(--gold);
            color:var(--primary);
            padding:4px 14px;
            border-radius:20px;
            font-size:0.75rem;
            font-weight:700;
            display:inline-block;
        }
        .badge-accent{
            background:rgba(0,229,255,0.18);
            color:var(--accent);
            padding:4px 14px;
            border-radius:20px;
            font-size:0.75rem;
            font-weight:600;
            display:inline-block;
        }
        .badge-hot{
            background:#FF4757;
            color:#fff;
            padding:3px 12px;
            border-radius:20px;
            font-size:0.7rem;
            font-weight:700;
            display:inline-block;
            animation:pulse-glow 2s infinite;
        }
        @keyframes pulse-glow{
            0%,100%{box-shadow:0 0 8px rgba(255,71,87,0.3)}
            50%{box-shadow:0 0 20px rgba(255,71,87,0.6)}
        }
        h1,h2,h3,h4,h5{font-family:var(--font-cn);color:var(--text-white);font-weight:700}
        h1{font-size:3rem;line-height:1.2}
        h2{font-size:2rem;line-height:1.3}
        h3{font-size:1.5rem;line-height:1.4;color:var(--text-light);font-weight:600}
        h4{font-size:1.2rem;line-height:1.4;color:var(--text-light);font-weight:600}
        p{color:var(--text-body);line-height:1.8}
        .text-muted{color:var(--text-muted)!important}
        .text-accent{color:var(--accent)!important}
        .text-gold{color:var(--gold)!important}

        /* ===== Header / Nav ===== */
        .site-header{
            position:fixed;top:0;left:0;width:100%;z-index:1000;
            padding:16px 0;
            transition:background 0.4s,box-shadow 0.4s;
            background:transparent;
        }
        .site-header.scrolled{
            background:rgba(11,26,51,0.92);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            box-shadow:0 4px 30px rgba(0,0,0,0.4);
            padding:10px 0;
        }
        .site-header .navbar-brand{
            font-size:1.35rem;
            font-weight:800;
            color:var(--text-white);
            letter-spacing:1px;
            display:flex;align-items:center;gap:10px;
        }
        .site-header .navbar-brand img{height:36px;width:auto;border-radius:6px}
        .site-header .navbar-brand span{background:linear-gradient(135deg,var(--accent),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .nav-link-custom{
            color:var(--text-muted)!important;
            font-weight:500;
            padding:8px 0!important;
            margin:0 16px;
            position:relative;
            transition:color 0.3s;
        }
        .nav-link-custom::after{
            content:'';position:absolute;bottom:0;left:0;width:0;height:2px;
            background:var(--accent);
            box-shadow:0 0 12px rgba(0,229,255,0.5);
            transition:width 0.3s;
        }
        .nav-link-custom:hover,.nav-link-custom.active{color:var(--text-white)!important}
        .nav-link-custom:hover::after,.nav-link-custom.active::after{width:100%}
        .nav-cta{
            background:var(--accent);
            color:var(--primary)!important;
            padding:8px 22px!important;
            border-radius:var(--radius-sm);
            font-weight:700;
            box-shadow:0 0 18px rgba(0,229,255,0.25);
            transition:box-shadow 0.3s,transform 0.2s;
            margin-left:16px;
        }
        .nav-cta:hover{
            box-shadow:0 0 28px rgba(0,229,255,0.45);
            transform:translateY(-2px);
            color:var(--primary)!important;
        }
        .countdown-badge{
            color:var(--gold);
            font-size:0.8rem;
            font-weight:700;
            margin-left:12px;
            padding:4px 12px;
            border:1px solid rgba(240,192,64,0.3);
            border-radius:20px;
            animation:glow-pulse 2s infinite;
            white-space:nowrap;
        }
        @keyframes glow-pulse{
            0%,100%{border-color:rgba(240,192,64,0.3)}
            50%{border-color:rgba(240,192,64,0.7)}
        }
        .navbar-toggler{
            border-color:rgba(255,255,255,0.2);
            color:var(--text-white);
        }
        .navbar-toggler-icon{filter:invert(1)}

        /* ===== Hero ===== */
        .hero{
            min-height:100vh;
            display:flex;align-items:center;
            background:linear-gradient(135deg,#0B1A33 0%,#1B263B 60%,#0D1B2A 100%);
            position:relative;
            overflow:hidden;
            padding-top:100px;
        }
        .hero::before{
            content:'';
            position:absolute;top:0;left:0;width:100%;height:100%;
            background:url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity:0.15;
            z-index:0;
        }
        .hero .container{position:relative;z-index:1}
        .hero h1{
            font-size:3.2rem;
            font-weight:800;
            color:var(--text-white);
            text-shadow:0 0 40px rgba(0,229,255,0.15);
            margin-bottom:20px;
        }
        .hero h1 .highlight{
            background:linear-gradient(135deg,var(--accent),var(--gold));
            -webkit-background-clip:text;
            -webkit-text-fill-color:transparent;
            background-clip:text;
        }
        .hero p.lead{
            font-size:1.2rem;
            color:var(--text-light);
            max-width:560px;
            margin-bottom:32px;
            line-height:1.8;
        }
        .hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
        .hero-stats{
            display:flex;gap:40px;margin-top:48px;flex-wrap:wrap;
        }
        .hero-stat-item{text-align:center}
        .hero-stat-item .num{font-size:2rem;font-weight:800;color:var(--accent);display:block}
        .hero-stat-item .label{font-size:0.85rem;color:var(--text-muted);margin-top:4px}
        .hero-visual{
            position:relative;
            display:flex;align-items:center;justify-content:center;
        }
        .hero-visual img{
            border-radius:var(--radius-card);
            box-shadow:0 20px 60px rgba(0,0,0,0.5);
            max-width:100%;
            height:auto;
            border:1px solid rgba(255,255,255,0.06);
        }
        .hero-visual .play-badge{
            position:absolute;bottom:20px;right:20px;
            background:rgba(0,229,255,0.85);
            color:var(--primary);
            padding:8px 18px;
            border-radius:30px;
            font-weight:700;
            font-size:0.85rem;
            backdrop-filter:blur(4px);
            display:flex;align-items:center;gap:8px;
        }

        /* ===== Agenda Timeline ===== */
        .timeline-section{background:linear-gradient(180deg,#0D1B2A 0%,#0B1A33 100%)}
        .timeline{position:relative;padding-left:40px}
        .timeline::before{
            content:'';position:absolute;left:16px;top:0;bottom:0;
            width:2px;
            background:linear-gradient(180deg,var(--accent),rgba(0,229,255,0.1));
        }
        .timeline-item{position:relative;margin-bottom:32px;padding-left:20px}
        .timeline-item::before{
            content:'';position:absolute;left:-32px;top:8px;
            width:14px;height:14px;
            background:var(--accent);
            border-radius:50%;
            box-shadow:0 0 20px rgba(0,229,255,0.4);
            border:2px solid var(--bg-dark);
        }
        .timeline-item .time{font-size:0.85rem;color:var(--accent);font-weight:700;margin-bottom:4px}
        .timeline-item .title{font-size:1.1rem;font-weight:600;color:var(--text-white);margin-bottom:6px}
        .timeline-item .desc{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

        /* ===== Speakers ===== */
        .speaker-card{text-align:center;padding:28px 20px}
        .speaker-card .avatar{
            width:88px;height:88px;border-radius:50%;
            object-fit:cover;margin:0 auto 16px;
            border:2px solid rgba(0,229,255,0.2);
            box-shadow:0 0 30px rgba(0,229,255,0.08);
        }
        .speaker-card .name{font-size:1.1rem;font-weight:700;color:var(--text-white);margin-bottom:4px}
        .speaker-card .role{font-size:0.85rem;color:var(--text-muted);margin-bottom:8px}
        .speaker-card .bio{font-size:0.85rem;color:var(--text-body);line-height:1.6}

        /* ===== Ticket Compare ===== */
        .ticket-section{background:linear-gradient(180deg,#0B1A33 0%,#1B263B 100%)}
        .ticket-card{padding:32px 24px;text-align:center;position:relative}
        .ticket-card.featured{
            border-color:var(--gold);
            transform:scale(1.03);
            box-shadow:0 12px 40px rgba(240,192,64,0.12);
        }
        .ticket-card.featured .ticket-badge{
            position:absolute;top:-14px;left:50%;transform:translateX(-50%);
            background:var(--gold);color:var(--primary);
            padding:4px 20px;border-radius:20px;font-weight:700;font-size:0.8rem;
        }
        .ticket-card .ticket-name{font-size:1.3rem;font-weight:700;color:var(--text-white);margin-bottom:8px}
        .ticket-card .ticket-price{font-size:2.4rem;font-weight:800;color:var(--accent);margin-bottom:4px}
        .ticket-card .ticket-price .unit{font-size:1rem;font-weight:400;color:var(--text-muted)}
        .ticket-card .ticket-original{font-size:0.85rem;color:var(--text-muted);text-decoration:line-through;margin-bottom:16px}
        .ticket-card ul{list-style:none;padding:0;margin:16px 0 24px;text-align:left}
        .ticket-card ul li{padding:6px 0;font-size:0.9rem;color:var(--text-body);display:flex;align-items:center;gap:10px}
        .ticket-card ul li i{color:var(--accent);font-size:0.9rem}

        /* ===== CTA Register ===== */
        .cta-section{
            background:linear-gradient(135deg,#0B1A33,#1B263B);
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';position:absolute;top:0;left:0;width:100%;height:100%;
            background:url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity:0.08;
            z-index:0;
        }
        .cta-section .container{position:relative;z-index:1}
        .cta-section h2{font-size:2.2rem;font-weight:800}
        .cta-form .form-control{
            background:rgba(255,255,255,0.08);
            border:1px solid rgba(255,255,255,0.12);
            border-radius:var(--radius-sm);
            color:var(--text-white);
            padding:14px 18px;
            font-size:1rem;
            transition:border-color 0.3s,box-shadow 0.3s;
        }
        .cta-form .form-control:focus{
            border-color:var(--accent);
            box-shadow:0 0 0 3px rgba(0,229,255,0.15);
            background:rgba(255,255,255,0.10);
            color:var(--text-white);
        }
        .cta-form .form-control::placeholder{color:var(--text-muted)}
        .cta-form .form-label{color:var(--text-light);font-weight:500;margin-bottom:6px}
        .cta-form select.form-control option{background:#1B263B;color:var(--text-white)}

        /* ===== CMS News ===== */
        .news-section{background:#0D1B2A}
        .news-card .card-img-top{
            aspect-ratio:16/9;object-fit:cover;
            border-radius:var(--radius-card) var(--radius-card) 0 0;
        }
        .news-card .card-body{padding:20px}
        .news-card .news-cat{margin-bottom:8px}
        .news-card .news-title{
            font-size:1.05rem;font-weight:700;color:var(--text-white);
            margin-bottom:8px;
            display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
        }
        .news-card .news-excerpt{
            font-size:0.88rem;color:var(--text-body);
            display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
            margin-bottom:12px;
        }
        .news-card .news-meta{
            font-size:0.8rem;color:var(--text-muted);
            display:flex;justify-content:space-between;align-items:center;
        }
        .news-card .news-meta .date{display:flex;align-items:center;gap:6px}

        /* ===== FAQ ===== */
        .faq-section{background:linear-gradient(180deg,#1B263B,#0B1A33)}
        .accordion-item{
            background:var(--bg-card);
            border:1px solid var(--border-glass);
            border-radius:var(--radius-sm)!important;
            margin-bottom:12px;
            overflow:hidden;
        }
        .accordion-button{
            background:transparent;
            color:var(--text-white);
            font-weight:600;
            font-size:1rem;
            padding:18px 24px;
            box-shadow:none!important;
        }
        .accordion-button::after{filter:invert(0.8)}
        .accordion-button:not(.collapsed){background:rgba(0,229,255,0.06);color:var(--accent)}
        .accordion-body{color:var(--text-body);padding:0 24px 20px;font-size:0.95rem;line-height:1.7}

        /* ===== Footer ===== */
        .site-footer{
            background:#0B1A33;
            border-top:1px solid rgba(255,255,255,0.04);
            padding:56px 0 32px;
        }
        .site-footer h5{font-size:1.1rem;font-weight:700;color:var(--text-white);margin-bottom:16px}
        .site-footer p,.site-footer a{font-size:0.9rem;color:var(--text-muted);line-height:1.8}
        .site-footer a:hover{color:var(--accent)}
        .site-footer .footer-links{list-style:none;padding:0;margin:0}
        .site-footer .footer-links li{margin-bottom:8px}
        .site-footer .footer-links a{color:var(--text-muted);transition:color 0.3s}
        .site-footer .footer-links a:hover{color:var(--accent)}
        .footer-bottom{border-top:1px solid rgba(255,255,255,0.04);padding-top:24px;margin-top:40px;text-align:center}
        .footer-bottom p{font-size:0.82rem;color:var(--text-muted)}

        /* ===== Responsive ===== */
        @media (max-width:992px){
            .hero h1{font-size:2.4rem}
            .hero-stats{gap:24px}
            .ticket-card.featured{transform:none}
        }
        @media (max-width:768px){
            :root{--spacer:48px}
            .section{padding:var(--spacer) 0}
            h1{font-size:2rem}
            h2{font-size:1.6rem}
            h3{font-size:1.25rem}
            .hero h1{font-size:2rem}
            .hero p.lead{font-size:1rem}
            .hero-stats{gap:16px;justify-content:center}
            .hero-stat-item .num{font-size:1.5rem}
            .timeline{padding-left:28px}
            .timeline-item{padding-left:12px}
            .timeline-item::before{left:-24px;width:10px;height:10px}
            .site-header .navbar-brand{font-size:1.1rem}
            .countdown-badge{font-size:0.7rem;padding:2px 10px}
            .cta-section h2{font-size:1.6rem}
            .news-card{margin-bottom:20px}
            .site-footer .col-md-4{margin-bottom:32px}
            .row-cols-md-3>.col{flex:0 0 100%;max-width:100%}
        }
        @media (max-width:520px){
            .hero h1{font-size:1.6rem}
            .hero-actions{flex-direction:column;align-items:stretch}
            .nav-cta{margin-left:0;margin-top:8px;text-align:center}
            .hero-stat-item .num{font-size:1.2rem}
            .ticket-card{padding:20px 16px}
            .cta-form .row>.col-12{margin-bottom:12px}
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar{width:6px}
        ::-webkit-scrollbar-track{background:var(--bg-dark)}
        ::-webkit-scrollbar-thumb{background:var(--accent);border-radius:10px}

        /* ===== Utility ===== */
        .mt-spacer{margin-top:var(--spacer)}
        .mb-spacer{margin-bottom:var(--spacer)}
        .text-gradient{
            background:linear-gradient(135deg,var(--accent),var(--gold));
            -webkit-background-clip:text;
            -webkit-text-fill-color:transparent;
            background-clip:text;
        }
        .divider{
            width:60px;height:3px;
            background:linear-gradient(90deg,var(--accent),transparent);
            border-radius:4px;margin:12px 0 20px;
        }
        .divider.center{margin-left:auto;margin-right:auto}

/* roulang page: article */
/* ============== :root 设计变量 ============== */
        :root {
            --primary: #0B1A33;
            --primary-light: #1B263B;
            --accent: #00E5FF;
            --accent-dark: #00C4E0;
            --gold: #F0C040;
            --gold-light: #F5D870;
            --bg-dark: #0D1B2A;
            --bg-card: rgba(255, 255, 255, 0.05);
            --border-glass: rgba(255, 255, 255, 0.1);
            --text-main: #C8D0DC;
            --text-light: #E0E6ED;
            --text-muted: #8A9BB0;
            --text-white: #FFFFFF;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.3);
            --shadow-glow-hover: 0 0 30px rgba(0, 229, 255, 0.5);
            --transition: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
        }

        /* ============== Reset / Base ============== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-family);
        }
        ul {
            list-style: none;
            padding-left: 0;
        }

        /* ============== Container ============== */
        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============== Header / Nav ============== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 26, 51, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 26, 51, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .site-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-white) !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand img {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            object-fit: cover;
        }
        .navbar-brand span {
            background: linear-gradient(135deg, var(--text-white), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-link-custom {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            position: relative;
        }
        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--text-white) !important;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active {
            color: var(--accent) !important;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--accent);
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            font-weight: 700 !important;
            padding: 10px 28px !important;
            border-radius: var(--radius-btn) !important;
            box-shadow: var(--shadow-glow);
            transition: box-shadow var(--transition), transform var(--transition) !important;
            margin-left: 8px;
        }
        .nav-cta:hover {
            box-shadow: var(--shadow-glow-hover) !important;
            transform: translateY(-2px);
            color: var(--primary) !important;
        }
        .countdown-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 30px;
            border: 1px solid rgba(240, 192, 64, 0.25);
            margin-left: 16px;
            animation: pulse-glow 2s infinite;
        }
        @keyframes pulse-glow {
            0%,
            100% {
                box-shadow: 0 0 6px rgba(240, 192, 64, 0.2);
            }
            50% {
                box-shadow: 0 0 18px rgba(240, 192, 64, 0.4);
            }
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.3);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23C8D0DC' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        /* ============== 文章详情页专属 ============== */
        .article-page {
            padding-top: 100px;
            padding-bottom: 80px;
        }
        .article-breadcrumb {
            padding: 16px 0 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--accent);
        }
        .article-breadcrumb .separator {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.2);
        }
        .article-breadcrumb .current {
            color: var(--text-light);
        }
        .article-header {
            margin-bottom: 40px;
        }
        .article-header .article-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .article-header .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-header .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-header .article-meta .category-tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(240, 192, 64, 0.2);
        }
        .article-body {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-card);
            padding: 48px 56px;
            box-shadow: var(--shadow-card);
        }
        .article-body p {
            margin-bottom: 1.8em;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-body h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 2em;
            margin-bottom: 0.8em;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-light);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.8em;
            padding-left: 1.8em;
            color: var(--text-main);
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 2em 0;
            width: 100%;
            object-fit: cover;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 2em 0;
            background: rgba(0, 229, 255, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent-dark);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .article-not-found .icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found h2 {
            color: var(--text-white);
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 32px;
        }
        .article-not-found .btn-back {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 36px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-glow);
            transition: box-shadow var(--transition), transform var(--transition);
            display: inline-block;
            border: none;
        }
        .article-not-found .btn-back:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
            color: var(--primary);
        }

        /* ============== 相关推荐 ============== */
        .related-section {
            max-width: 800px;
            margin: 60px auto 0;
        }
        .related-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition);
            box-shadow: var(--shadow-card);
        }
        .related-card:hover {
            border-color: rgba(0, 229, 255, 0.3);
            transform: translateY(-4px);
        }
        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .related-card .card-body .meta .tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.12);
            color: var(--gold);
            padding: 1px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ============== Footer (与首页一致) ============== */
        .site-footer {
            background: var(--primary);
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer h5 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition);
            font-size: 0.92rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom p {
            margin-bottom: 0;
        }

        /* ============== 响应式 ============== */
        @media (max-width: 991.98px) {
            .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-brand img {
                width: 34px;
                height: 34px;
            }
            .nav-link-custom {
                padding: 10px 0 !important;
                text-align: center;
            }
            .nav-link-custom.active::after {
                left: 30%;
                right: 30%;
                bottom: 4px;
            }
            .nav-cta {
                margin: 12px auto 8px !important;
                display: inline-block;
                width: auto;
                padding: 10px 40px !important;
            }
            .countdown-badge {
                display: none !important;
            }
            .navbar-collapse {
                background: rgba(11, 26, 51, 0.98);
                border-radius: var(--radius-card);
                padding: 16px 20px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .article-header .article-title {
                font-size: 1.8rem;
            }
            .article-body {
                padding: 28px 24px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 767.98px) {
            .article-page {
                padding-top: 80px;
                padding-bottom: 60px;
            }
            .article-header .article-title {
                font-size: 1.5rem;
            }
            .article-header .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .article-body {
                padding: 20px 16px;
                border-radius: 12px;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-section h3 {
                font-size: 1.3rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .col-md-4 {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 520px) {
            .article-header .article-title {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 16px 12px;
            }
            .article-body p {
                font-size: 0.95rem;
            }
            .navbar-brand {
                font-size: 1rem;
            }
            .navbar-brand img {
                width: 30px;
                height: 30px;
            }
        }

        /* ============== 工具类 ============== */
        .text-accent {
            color: var(--accent) !important;
        }
        .text-gold {
            color: var(--gold) !important;
        }
        .bg-glass {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .rounded-card {
            border-radius: var(--radius-card);
        }
        .shadow-glow {
            box-shadow: var(--shadow-glow);
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0B1A33;
            --primary-light: #1B263B;
            --accent: #00E5FF;
            --gold: #F0C040;
            --bg-gradient-start: #0D1B2A;
            --bg-gradient-end: #1B263B;
            --text-light: #FFFFFF;
            --text-body: #C8D0DC;
            --text-muted: #8A9BB0;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --glass-blur: 12px;
            --radius-card: 16px;
            --radius-small: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --transition-base: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #66f0ff;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 标题层级 ========== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.2;
        }
        h1 {
            font-size: 3rem;
            font-weight: 700;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #E0E6ED;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #E0E6ED;
        }
        h5 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        .subtitle-sm {
            font-size: 0.875rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: transparent;
            transition: background var(--transition-base), box-shadow var(--transition-base);
            padding: 12px 0;
        }
        .site-header.scrolled {
            background: rgba(11, 26, 51, 0.92);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text-light) !important;
            letter-spacing: 1px;
        }
        .navbar-brand img {
            height: 40px;
            width: auto;
            border-radius: 8px;
        }
        .navbar-brand span {
            color: var(--text-light);
        }
        .nav-link-custom {
            color: rgba(255, 255, 255, 0.75) !important;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: color var(--transition-base), background var(--transition-base);
            position: relative;
        }
        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--text-light) !important;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-custom.active {
            color: var(--accent) !important;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.5);
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            font-weight: 700 !important;
            border-radius: var(--radius-small) !important;
            padding: 10px 24px !important;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            transition: box-shadow var(--transition-base), transform var(--transition-base) !important;
            border: none;
        }
        .nav-cta:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.5) !important;
            transform: translateY(-1px);
        }
        .countdown-badge {
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(240, 192, 64, 0.2);
            margin-left: 16px;
            white-space: nowrap;
            animation: pulseGlow 2s infinite alternate;
        }
        @keyframes pulseGlow {
            0% {
                box-shadow: 0 0 4px rgba(240, 192, 64, 0.1);
            }
            100% {
                box-shadow: 0 0 16px rgba(240, 192, 64, 0.25);
            }
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            .site-header {
                background: rgba(11, 26, 51, 0.95);
                backdrop-filter: blur(8px);
            }
            .navbar-nav {
                padding-top: 16px;
                padding-bottom: 16px;
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .nav-link-custom.active {
                background: rgba(0, 229, 255, 0.1);
                border-radius: 8px;
            }
            .countdown-badge {
                margin-left: 0;
                margin-top: 12px;
                display: inline-block;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 20px 80px;
            background: linear-gradient(135deg, #0B1A33 0%, #1B263B 60%, #0D1B2A 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-section h1 {
            text-shadow: 0 0 40px rgba(0, 229, 255, 0.15);
            margin-bottom: 16px;
        }
        .hero-section .hero-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(0, 229, 255, 0.2);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        /* ========== 通用板块 ========== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(var(--glass-blur));
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), transform var(--transition-base);
            height: 100%;
        }
        .glass-card:hover {
            border-color: rgba(0, 229, 255, 0.25);
            transform: translateY(-4px);
        }
        .glass-card .card-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .glass-card h4 {
            margin-bottom: 8px;
        }
        .glass-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ========== 资讯卡片 ========== */
        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(var(--glass-blur));
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), transform var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(0, 229, 255, 0.25);
            transform: translateY(-4px);
        }
        .news-card .card-img-top {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
            display: block;
        }
        .news-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            border: 1px solid rgba(240, 192, 64, 0.15);
            align-self: flex-start;
        }
        .news-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card .card-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-date {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 分类标签区 ========== */
        .category-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-body);
            padding: 8px 24px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
            cursor: default;
            margin: 4px 6px;
        }
        .category-tag:hover {
            background: rgba(0, 229, 255, 0.08);
            border-color: rgba(0, 229, 255, 0.2);
            color: var(--accent);
        }
        .category-tag.active-tag {
            background: rgba(0, 229, 255, 0.12);
            border-color: rgba(0, 229, 255, 0.3);
            color: var(--accent);
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #0B1A33 0%, #162A44 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-small);
            padding: 14px 40px;
            font-size: 1.05rem;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .btn-accent:hover {
            box-shadow: 0 0 35px rgba(0, 229, 255, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-accent {
            background: transparent;
            color: var(--accent) !important;
            border: 2px solid var(--accent);
            border-radius: var(--radius-small);
            padding: 12px 32px;
            font-weight: 600;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .btn-outline-accent:hover {
            background: rgba(0, 229, 255, 0.08);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: rgba(0, 229, 255, 0.04);
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.6;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1) sepia(1) hue-rotate(160deg);
            opacity: 0.9;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== 步骤/流程 ========== */
        .step-item {
            text-align: center;
            padding: 20px 16px;
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.1);
            border: 2px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
        }
        .step-item h5 {
            margin-bottom: 6px;
            color: var(--text-light);
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0B1A33;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer h5 {
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .site-footer p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color var(--transition-base);
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding: 24px 0;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .section-padding {
                padding: 60px 0;
            }
            .hero-section {
                min-height: 60vh;
                padding: 100px 20px 60px;
            }
            .hero-section h1 {
                font-size: 2.4rem;
            }
            .hero-section .hero-sub {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .hero-section {
                min-height: 50vh;
                padding: 90px 16px 48px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-section .hero-sub {
                font-size: 0.95rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .glass-card {
                padding: 20px 18px;
            }
            .news-card .card-body {
                padding: 16px 16px 20px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .btn-accent {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                margin-top: 24px;
            }
            .step-item {
                padding: 12px 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section .hero-sub {
                font-size: 0.85rem;
            }
            h2 {
                font-size: 1.3rem !important;
            }
            .navbar-brand span {
                font-size: 1.1rem;
            }
            .navbar-brand img {
                height: 32px;
            }
        }

        /* ========== 工具类 ========== */
        .text-accent {
            color: var(--accent);
        }
        .text-gold {
            color: var(--gold);
        }
        .mb-gap {
            margin-bottom: 32px;
        }
        .gap-y-4 {
            row-gap: 24px;
        }
        .gap-y-3 {
            row-gap: 16px;
        }

        /* ========== 订阅表单 ========== */
        .subscribe-form .form-control {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-small);
            padding: 14px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .subscribe-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }
        .subscribe-form .form-control::placeholder {
            color: var(--text-muted);
            opacity: 0.6;
        }
        .subscribe-form .btn-subscribe {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border: none;
            border-radius: var(--radius-small);
            padding: 14px 32px;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .subscribe-form .btn-subscribe:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.4);
            transform: translateY(-1px);
        }

        /* ========== 分隔装饰 ========== */
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 16px;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0B1A33;
            --primary-light: #1B263B;
            --accent: #00E5FF;
            --accent-glow: rgba(0, 229, 255, 0.3);
            --gold: #F0C040;
            --gold-glow: rgba(240, 192, 64, 0.3);
            --bg-dark: #0D1B2A;
            --bg-card: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.1);
            --text-white: #FFFFFF;
            --text-light: #E0E6ED;
            --text-muted: #8A9BB0;
            --text-body: #C8D0DC;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #66f0ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-cn);
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-body);
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(11, 26, 51, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 26, 51, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .site-header .navbar {
            padding: 12px 0;
            min-height: 68px;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-white) !important;
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 1px;
            padding: 0;
        }
        .site-header .navbar-brand img {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            object-fit: cover;
        }
        .site-header .navbar-brand span {
            background: linear-gradient(135deg, var(--text-white), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-link-custom {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            position: relative;
            font-size: 1rem;
        }
        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--text-white) !important;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link-custom.active {
            color: var(--accent) !important;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--accent-glow);
        }
        .nav-cta {
            background: var(--accent) !important;
            color: var(--primary) !important;
            font-weight: 700;
            padding: 10px 28px !important;
            border-radius: var(--radius-md);
            box-shadow: 0 0 20px var(--accent-glow);
            transition: box-shadow var(--transition), transform var(--transition) !important;
            border: none;
            font-size: 1rem;
            margin-left: 8px;
        }
        .nav-cta:hover {
            box-shadow: 0 0 36px var(--accent-glow) !important;
            transform: translateY(-2px);
            color: var(--primary) !important;
        }
        .countdown-badge {
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(240, 192, 64, 0.25);
            margin-left: 20px;
            animation: pulse-glow 2s ease-in-out infinite;
            white-space: nowrap;
        }
        @keyframes pulse-glow {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(240, 192, 64, 0.15);
            }
            50% {
                box-shadow: 0 0 24px rgba(240, 192, 64, 0.35);
            }
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Hero Banner ========== */
        .page-hero {
            padding: 140px 0 80px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #0D1B2A 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            letter-spacing: 2px;
        }
        .page-hero h1 .accent-text {
            color: var(--accent);
            text-shadow: 0 0 30px var(--accent-glow);
        }
        .page-hero .hero-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .page-hero .hero-stats .stat-item {
            text-align: center;
        }
        .page-hero .hero-stats .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1.2;
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .hero-breadcrumb {
            margin-bottom: 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .hero-breadcrumb a {
            color: var(--text-muted);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent);
        }
        .hero-breadcrumb .bi-chevron-right {
            font-size: 0.7rem;
            margin: 0 8px;
            vertical-align: middle;
        }

        /* ========== 分类筛选按钮 ========== */
        .filter-section {
            padding: 40px 0 20px;
            position: relative;
            z-index: 2;
        }
        .filter-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .filter-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            color: var(--text-muted);
            padding: 10px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
            backdrop-filter: blur(6px);
        }
        .filter-btn:hover {
            background: rgba(255, 255, 255, 0.10);
            color: var(--text-white);
            border-color: rgba(0, 229, 255, 0.3);
        }
        .filter-btn.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            box-shadow: 0 0 24px var(--accent-glow);
        }

        /* ========== 资讯卡片网格 ========== */
        .news-grid-section {
            padding: 40px 0 80px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(0, 229, 255, 0.3);
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }
        .news-card .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-card);
        }
        .news-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            border: 1px solid rgba(240, 192, 64, 0.2);
            align-self: flex-start;
        }
        .news-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: auto;
        }
        .news-card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .card-meta .read-more {
            color: var(--accent);
            font-weight: 600;
            transition: color var(--transition);
        }
        .news-card .card-meta .read-more:hover {
            color: #66f0ff;
        }

        /* ========== 特色专题 ========== */
        .featured-section {
            padding: 60px 0 80px;
            background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.03), transparent);
        }
        .featured-section .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .featured-section .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
        }
        .featured-section .section-title p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 12px auto 0;
        }
        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .featured-card:hover {
            border-color: rgba(0, 229, 255, 0.25);
            transform: translateY(-4px);
        }
        .featured-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: var(--accent);
            border: 1px solid rgba(0, 229, 255, 0.15);
            transition: all var(--transition);
        }
        .featured-card:hover .icon-wrap {
            background: rgba(0, 229, 255, 0.18);
            box-shadow: 0 0 30px var(--accent-glow);
        }
        .featured-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .featured-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 60px 0 80px;
        }
        .faq-section .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .faq-section .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
        }
        .faq-section .section-title p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 12px auto 0;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            backdrop-filter: blur(8px);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            font-family: var(--font-cn);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 255, 0.05);
            color: var(--accent);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238A9BB0'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2300E5FF'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-accordion .accordion-collapse {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #0a1a30 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta-main {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.15rem;
            padding: 16px 52px;
            border-radius: var(--radius-md);
            border: none;
            box-shadow: 0 0 30px var(--accent-glow);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-section .btn-cta-main:hover {
            box-shadow: 0 0 50px var(--accent-glow);
            transform: translateY(-3px);
            color: var(--primary);
        }
        .cta-section .btn-cta-main i {
            font-size: 1.2rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: color var(--transition), padding-left var(--transition);
            display: inline-block;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: rgba(11, 26, 51, 0.98);
                border-radius: var(--radius-md);
                padding: 16px 20px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .nav-link-custom.active {
                color: var(--accent) !important;
                background: rgba(0, 229, 255, 0.1);
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
            }
            .countdown-badge {
                margin-left: 0;
                margin-top: 12px;
                display: inline-block !important;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero .hero-stats {
                gap: 24px;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 110px 0 60px;
                min-height: 320px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
                letter-spacing: 1px;
            }
            .page-hero .hero-sub {
                font-size: 1rem;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.4rem;
            }
            .page-hero .hero-stats .stat-label {
                font-size: 0.8rem;
            }
            .filter-btn {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .news-card .card-img-top {
                height: 160px;
            }
            .news-card .card-body {
                padding: 18px;
            }
            .news-card .card-title {
                font-size: 1.05rem;
            }
            .featured-section .section-title h2,
            .faq-section .section-title h2,
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .featured-card {
                padding: 24px 20px;
            }
            .cta-section .btn-cta-main {
                padding: 14px 36px;
                font-size: 1rem;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .col-md-4 {
                margin-bottom: 32px;
            }
            .site-header .navbar-brand {
                font-size: 1.1rem;
            }
            .site-header .navbar-brand img {
                width: 34px;
                height: 34px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-stats {
                gap: 16px;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .page-hero .hero-stats .stat-item {
                flex: 0 0 auto;
                min-width: 80px;
            }
            .filter-buttons {
                gap: 8px;
            }
            .filter-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .news-card .card-img-top {
                height: 140px;
            }
            .faq-accordion .accordion-button {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
            .faq-accordion .accordion-body {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== 工具类 ========== */
        .text-accent {
            color: var(--accent) !important;
        }
        .text-gold {
            color: var(--gold) !important;
        }
        .bg-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
        }
        .gap-2 {
            gap: 8px;
        }
        .gap-3 {
            gap: 16px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 16px;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .fw-600 {
            font-weight: 600;
        }

        /* ========== 面包屑 + 页面过渡 ========== */
        .page-transition {
            animation: fadeInUp 0.6s ease-out;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin: 12px auto 0;
            box-shadow: 0 0 20px var(--accent-glow);
        }