/* roulang page: index */
:root {
            --xk-primary: #0b1e2e;
            --xk-primary-light: #152a3e;
            --xk-primary-dark: #060e16;
            --xk-accent: #e63946;
            --xk-accent-hover: #ff5a66;
            --xk-gold: #f4a261;
            --xk-bg: #080f1a;
            --xk-bg-card: rgba(18,32,51,0.88);
            --xk-bg-soft: #0f1c2c;
            --xk-text: #e8edf2;
            --xk-text-muted: #8a97a8;
            --xk-border: rgba(255,255,255,0.08);
            --xk-radius: 14px;
            --xk-radius-sm: 8px;
            --xk-shadow: 0 12px 40px rgba(0,0,0,0.4);
            --xk-shadow-sm: 0 4px 16px rgba(0,0,0,0.25);
            --xk-space: 96px;
            --xk-transition: all 0.3s ease;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;background:var(--xk-bg);color:var(--xk-text);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
        img{max-width:100%;display:block}
        a{text-decoration:none;color:inherit;transition:var(--xk-transition)}
        button{border:none;cursor:pointer;background:none}
        input,textarea{font-family:inherit}
        .container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto}
        .xk-section{padding:var(--xk-space) 0}
        .xk-section-header{text-align:center;max-width:720px;margin:0 auto 56px}
        .xk-section-header .xk-eyebrow{color:var(--xk-accent);font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;display:inline-block;margin-bottom:12px;padding:6px 16px;border:1px solid rgba(230,57,70,0.35);border-radius:24px;background:rgba(230,57,70,0.08)}
        .xk-section-header h2{font-size:38px;font-weight:800;line-height:1.3;margin-bottom:14px;letter-spacing:-0.5px}
        .xk-section-header p{color:var(--xk-text-muted);font-size:16px}

        /* Buttons */
        .btn-xk-accent{display:inline-flex;align-items:center;gap:8px;background:var(--xk-accent);color:#fff;font-weight:600;padding:12px 28px;border-radius:8px;transition:var(--xk-transition);border:2px solid var(--xk-accent)}
        .btn-xk-accent:hover{background:var(--xk-accent-hover);border-color:var(--xk-accent-hover);transform:translateY(-2px);box-shadow:0 6px 24px rgba(230,57,70,0.35);color:#fff}
        .btn-xk-ghost{display:inline-flex;align-items:center;gap:8px;border:2px solid rgba(255,255,255,0.25);color:var(--xk-text);font-weight:600;padding:12px 28px;border-radius:8px;transition:var(--xk-transition)}
        .btn-xk-ghost:hover{border-color:var(--xk-accent);color:var(--xk-accent);transform:translateY(-2px)}
        .btn-xk-light{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--xk-primary-dark);font-weight:700;padding:12px 32px;border-radius:8px;transition:var(--xk-transition)}
        .btn-xk-light:hover{background:var(--xk-gold);transform:translateY(-2px);box-shadow:0 6px 24px rgba(244,162,97,0.3);color:var(--xk-primary-dark)}

        /* Navbar */
        .xk-header{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(8,15,26,0.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,0.06);transition:var(--xk-transition)}
        .xk-header .navbar{padding:16px 0}
        .xk-logo{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;letter-spacing:0.5px}
        .xk-logo i{color:var(--xk-accent);font-size:26px}
        .xk-logo span{background:linear-gradient(135deg,#fff,#f4a261);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
        .navbar-nav .nav-link{color:rgba(255,255,255,0.7);font-weight:500;padding:8px 20px;border-radius:6px;font-size:15px;transition:var(--xk-transition)}
        .navbar-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,0.06)}
        .navbar-nav .nav-link.active{color:var(--xk-accent);background:rgba(230,57,70,0.1);font-weight:600}
        .navbar-toggler{border:1px solid rgba(255,255,255,0.2);padding:8px 12px;border-radius:6px;color:#fff}
        .navbar-toggler:focus{box-shadow:none;outline:2px solid var(--xk-accent)}

        /* Hero */
        .xk-hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:140px 0 80px;background:linear-gradient(135deg,rgba(8,15,26,0.92),rgba(11,30,46,0.82)),url('/assets/images/backpic/back-1.png') center/cover no-repeat}
        .xk-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--xk-bg))}
        .xk-hero .container{position:relative;z-index:2}
        .xk-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(230,57,70,0.15);border:1px solid rgba(230,57,70,0.4);color:var(--xk-accent);font-size:13px;font-weight:600;letter-spacing:2px;padding:8px 20px;border-radius:24px;margin-bottom:24px}
        .xk-hero-badge i{font-size:12px}
        .xk-hero h1{font-size:56px;font-weight:900;line-height:1.15;letter-spacing:-1px;margin-bottom:20px}
        .xk-hero h1 .highlight{color:var(--xk-accent)}
        .xk-hero-desc{font-size:18px;color:var(--xk-text-muted);max-width:560px;margin-bottom:36px}
        .xk-hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
        .xk-hero-stats{display:flex;gap:40px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,0.1);padding-top:32px}
        .xk-stat-item .num{font-size:36px;font-weight:800;color:#fff;line-height:1.2}
        .xk-stat-item .num em{font-style:normal;color:var(--xk-gold)}
        .xk-stat-item .label{font-size:13px;color:var(--xk-text-muted);letter-spacing:1px}

        /* Panels */
        .xk-panel{background:var(--xk-bg-card);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:32px;backdrop-filter:blur(10px);box-shadow:var(--xk-shadow)}
        .xk-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
        .xk-panel-head h3{font-size:18px;font-weight:700}
        .xk-panel-head .status-dot{width:8px;height:8px;border-radius:50%;background:#2ecc71;box-shadow:0 0 10px #2ecc71}
        .xk-panel-list .item{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.05)}
        .xk-panel-list .item:last-child{border-bottom:none}
        .xk-panel-list .item .name{font-size:14px;color:rgba(255,255,255,0.8);display:flex;align-items:center;gap:10px}
        .xk-panel-list .item .name i{color:var(--xk-accent);width:16px}
        .xk-panel-list .item .value{font-size:14px;font-weight:600;color:var(--xk-gold)}
        .xk-progress-track{height:6px;background:rgba(255,255,255,0.08);border-radius:3px;overflow:hidden;margin-top:12px}
        .xk-progress-bar{height:100%;background:linear-gradient(90deg,var(--xk-accent),var(--xk-gold));border-radius:3px}

        /* Feature Cards */
        .xk-features{background:var(--xk-bg)}
        .xk-feature-card{background:var(--xk-bg-card);border:1px solid var(--xk-border);border-radius:var(--xk-radius);padding:36px 28px;transition:var(--xk-transition);height:100%;position:relative;overflow:hidden}
        .xk-feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--xk-accent),transparent);opacity:0;transition:var(--xk-transition)}
        .xk-feature-card:hover{transform:translateY(-6px);box-shadow:var(--xk-shadow);border-color:rgba(230,57,70,0.3)}
        .xk-feature-card:hover::before{opacity:1}
        .xk-feature-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(230,57,70,0.2),rgba(244,162,97,0.15));border:1px solid rgba(230,57,70,0.2);font-size:24px;color:var(--xk-gold);margin-bottom:20px}
        .xk-feature-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
        .xk-feature-card p{color:var(--xk-text-muted);font-size:14px;line-height:1.7}

        /* News Cards */
        .xk-news-card{background:var(--xk-bg-card);border:1px solid var(--xk-border);border-radius:var(--xk-radius);overflow:hidden;transition:var(--xk-transition);height:100%;display:flex;flex-direction:column}
        .xk-news-card:hover{transform:translateY(-6px);box-shadow:var(--xk-shadow);border-color:rgba(230,57,70,0.25)}
        .xk-news-card .cover{position:relative;height:200px;overflow:hidden}
        .xk-news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
        .xk-news-card:hover .cover img{transform:scale(1.06)}
        .xk-news-card .cover::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60px;background:linear-gradient(transparent,rgba(8,15,26,0.7))}
        .xk-news-card .news-cat{position:absolute;top:14px;left:14px;z-index:2;background:var(--xk-accent);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:4px;letter-spacing:0.5px}
        .xk-news-card .body{padding:24px;flex:1;display:flex;flex-direction:column}
        .xk-news-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:12px}
        .xk-news-card h3 a{transition:var(--xk-transition)}
        .xk-news-card h3 a:hover{color:var(--xk-accent)}
        .xk-news-card p{color:var(--xk-text-muted);font-size:13px;line-height:1.6;margin-bottom:16px;flex:1}
        .xk-news-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--xk-text-muted);border-top:1px solid rgba(255,255,255,0.06);padding-top:14px}

        /* Category Entrance */
        .xk-cat-card{position:relative;border-radius:var(--xk-radius);overflow:hidden;height:320px;display:flex;align-items:flex-end;transition:var(--xk-transition)}
        .xk-cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 0.6s ease}
        .xk-cat-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(8,15,26,0.9) 100%)}
        .xk-cat-card:hover img{transform:scale(1.05)}
        .xk-cat-card .content{position:relative;z-index:2;padding:28px;width:100%}
        .xk-cat-card .tag{font-size:12px;font-weight:600;color:var(--xk-gold);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;display:block}
        .xk-cat-card h3{font-size:24px;font-weight:700;color:#fff;margin-bottom:6px}
        .xk-cat-card p{font-size:13px;color:rgba(255,255,255,0.7);margin-bottom:12px}
        .xk-cat-card .link{color:var(--xk-accent);font-weight:600;font-size:14px}

        /* Process */
        .xk-process{background:var(--xk-bg-soft);position:relative}
        .xk-process .section-bg{position:absolute;top:0;right:0;width:40%;height:100%;opacity:0.15;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat}
        .xk-process-step{text-align:center;padding:32px 20px;position:relative}
        .xk-process-step .step-num{font-size:48px;font-weight:900;color:rgba(230,57,70,0.2);line-height:1;margin-bottom:16px}
        .xk-process-step .step-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--xk-bg-card);border:1px solid var(--xk-border);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--xk-gold)}
        .xk-process-step h3{font-size:18px;font-weight:700;margin-bottom:10px}
        .xk-process-step p{font-size:13px;color:var(--xk-text-muted);max-width:220px;margin:0 auto}

        /* FAQ */
        .xk-faq .accordion-item{background:var(--xk-bg-card);border:1px solid var(--xk-border);border-radius:12px !important;margin-bottom:16px;overflow:hidden}
        .xk-faq .accordion-button{background:transparent;color:var(--xk-text);font-weight:600;font-size:16px;padding:20px 24px;box-shadow:none}
        .xk-faq .accordion-button:not(.collapsed){color:var(--xk-accent);background:rgba(230,57,70,0.06)}
        .xk-faq .accordion-button::after{filter:invert(1) hue-rotate(180deg)}
        .xk-faq .accordion-body{color:var(--xk-text-muted);font-size:14px;line-height:1.8;padding:0 24px 24px}

        /* CTA */
        .xk-cta{position:relative;padding:100px 0;background:linear-gradient(135deg,rgba(8,15,26,0.92),rgba(11,30,46,0.85)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;text-align:center}
        .xk-cta h2{font-size:42px;font-weight:800;color:#fff;margin-bottom:16px}
        .xk-cta p{color:rgba(255,255,255,0.7);font-size:17px;max-width:620px;margin:0 auto 32px}
        .xk-cta .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

        /* Footer */
        .xk-footer{background:var(--xk-primary-dark);border-top:1px solid rgba(255,255,255,0.06);padding:60px 0 0}
        .xk-footer .foot-brand{font-size:20px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:16px}
        .xk-footer .foot-brand i{color:var(--xk-accent)}
        .xk-footer p{color:var(--xk-text-muted);font-size:14px}
        .xk-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
        .xk-footer .foot-link{list-style:none;padding:0}
        .xk-footer .foot-link li{margin-bottom:10px}
        .xk-footer .foot-link a{color:var(--xk-text-muted);font-size:14px}
        .xk-footer .foot-link a:hover{color:var(--xk-accent)}
        .xk-footer .foot-bottom{border-top:1px solid rgba(255,255,255,0.06);margin-top:48px;padding:20px 0;text-align:center;color:var(--xk-text-muted);font-size:13px}

        /* Helper */
        .xk-divider{width:60px;height:3px;background:linear-gradient(90deg,var(--xk-accent),var(--xk-gold));border-radius:2px;margin:16px auto 0}
        .text-muted{color:var(--xk-text-muted) !important}

        /* Responsive */
        @media (max-width: 1024px){
            :root{--xk-space:80px}
            .xk-hero h1{font-size:46px}
            .xk-section-header h2{font-size:32px}
        }
        @media (max-width: 768px){
            :root{--xk-space:64px}
            .xk-hero{padding:120px 0 60px;min-height:auto}
            .xk-hero h1{font-size:36px}
            .xk-hero-desc{font-size:16px}
            .xk-hero-stats{gap:24px}
            .xk-stat-item .num{font-size:28px}
            .xk-section-header h2{font-size:28px}
            .navbar-collapse{background:rgba(8,15,26,0.98);border-radius:12px;padding:16px;margin-top:12px;border:1px solid rgba(255,255,255,0.08)}
            .navbar-nav .nav-link{padding:10px 16px}
            .xk-cta h2{font-size:32px}
            .xk-process .section-bg{display:none}
        }
        @media (max-width: 520px){
            .xk-hero h1{font-size:30px;letter-spacing:-0.5px}
            .xk-hero-actions{flex-direction:column;width:100%}
            .btn-xk-accent,.btn-xk-ghost{width:100%;justify-content:center}
            .xk-section-header h2{font-size:24px}
            .xk-footer .foot-bottom{font-size:12px}
            .xk-cta h2{font-size:26px}
        }

/* roulang page: category1 */
:root {
            --xk-bg: #070b14;
            --xk-surface: #0d1424;
            --xk-card: #101a2e;
            --xk-card-slight: #131f36;
            --xk-border: rgba(148, 163, 184, 0.14);
            --xk-primary: #00e5ff;
            --xk-primary-dark: #00c2d6;
            --xk-accent: #ff4e3b;
            --xk-accent-hover: #ff6b5b;
            --xk-text: #e8eef8;
            --xk-text-muted: #93a1bc;
            --xk-radius: 16px;
            --xk-radius-sm: 10px;
            --xk-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            --xk-transition: all 0.28s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--xk-bg);
            color: var(--xk-text);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .xk-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(7, 11, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }

        .xk-header .navbar {
            min-height: 76px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .xk-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--xk-text);
            flex-shrink: 0;
        }

        .xk-logo i {
            color: var(--xk-accent);
            font-size: 1.3rem;
            filter: drop-shadow(0 0 8px rgba(255, 78, 59, 0.55));
        }

        .xk-logo span {
            background: linear-gradient(90deg, #ffffff, #9fd8ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .xk-header .navbar-toggler {
            border: 1px solid var(--xk-border);
            border-radius: 10px;
            color: var(--xk-text);
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.04);
        }

        .xk-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.18);
        }

        .xk-header .navbar-toggler i {
            font-size: 1.15rem;
        }

        .xk-header .nav-link {
            color: var(--xk-text-muted);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 8px 18px;
            border-radius: 999px;
            position: relative;
        }

        .xk-header .nav-link:hover,
        .xk-header .nav-link.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.07);
        }

        .xk-header .nav-link.active::after {
            content: "";
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--xk-accent);
            margin: 2px auto 0;
            box-shadow: 0 0 8px rgba(255, 78, 59, 0.8);
        }

        .btn-xk-accent {
            background: linear-gradient(135deg, var(--xk-accent), #ff6a3d);
            border: none;
            color: #fff;
            font-weight: 700;
            border-radius: 10px;
            box-shadow: 0 8px 22px rgba(255, 78, 59, 0.28);
            transition: var(--xk-transition);
        }

        .btn-xk-accent:hover,
        .btn-xk-accent:focus,
        .btn-xk-accent.active {
            background: var(--xk-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(255, 78, 59, 0.35);
        }

        .btn-xk-outline {
            border: 1px solid rgba(148, 163, 184, 0.35);
            color: var(--xk-text);
            background: rgba(255, 255, 255, 0.04);
            font-weight: 600;
            border-radius: 10px;
            transition: var(--xk-transition);
        }

        .btn-xk-outline:hover,
        .btn-xk-outline:focus {
            border-color: var(--xk-primary);
            color: var(--xk-primary);
            background: rgba(0, 229, 255, 0.07);
            transform: translateY(-2px);
        }

        .xk-cat-hero {
            position: relative;
            padding: 118px 0 92px;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            overflow: hidden;
        }

        .xk-cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 11, 20, 0.97) 12%, rgba(7, 11, 20, 0.68) 55%, rgba(7, 11, 20, 0.42) 100%);
            z-index: 1;
        }

        .xk-cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .xk-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.86rem;
            color: var(--xk-text-muted);
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--xk-border);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

        .xk-breadcrumb i {
            color: var(--xk-accent);
        }

        .xk-cat-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .xk-cat-hero h1 .xk-red-dot {
            color: var(--xk-accent);
            margin-left: 4px;
        }

        .xk-cat-hero p.lead {
            font-size: clamp(1rem, 1.6vw, 1.2rem);
            color: #c3cede;
            max-width: 640px;
            margin-bottom: 32px;
        }

        .xk-cat-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 18px;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.84rem;
            color: #b9c6da;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--xk-border);
            padding: 6px 14px;
            border-radius: 999px;
        }

        .hero-tags span i {
            color: var(--xk-primary);
            font-size: 0.8rem;
        }

        .xk-section {
            padding: 96px 0;
        }

        .xk-section.bg-tint {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(148, 163, 184, 0.06);
            border-bottom: 1px solid rgba(148, 163, 184, 0.06);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head .label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--xk-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head .label::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--xk-accent);
            display: inline-block;
        }

        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--xk-text-muted);
            max-width: 680px;
            font-size: 1rem;
        }

        .xk-card {
            background: var(--xk-card);
            border: 1px solid var(--xk-border);
            border-radius: var(--xk-radius);
            overflow: hidden;
            transition: var(--xk-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .xk-card:hover {
            border-color: rgba(0, 229, 255, 0.4);
            transform: translateY(-6px);
            box-shadow: var(--xk-shadow);
        }

        .xk-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #0b111f;
        }

        .xk-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .xk-card:hover .card-thumb img {
            transform: scale(1.06);
        }

        .xk-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(7, 11, 20, 0.78);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
        }

        .xk-card .card-badge.orange {
            background: rgba(255, 78, 59, 0.82);
            border-color: rgba(255, 120, 100, 0.4);
        }

        .xk-card .card-body {
            padding: 24px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .xk-card .card-body h3 {
            font-size: 1.14rem;
            font-weight: 800;
            line-height: 1.5;
            margin-bottom: 12px;
            color: var(--xk-text);
        }

        .xk-card .card-body h3 a:hover {
            color: var(--xk-primary);
        }

        .xk-card .card-body p {
            color: var(--xk-text-muted);
            font-size: 0.94rem;
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
        }

        .xk-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--xk-text-muted);
            font-size: 0.83rem;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            padding-top: 14px;
            margin-top: auto;
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta i {
            color: var(--xk-primary);
            font-size: 0.78rem;
        }

        .xk-about {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }

        .xk-about .about-text h2 {
            font-size: clamp(1.7rem, 2.8vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 22px;
            line-height: 1.35;
        }

        .xk-about .about-text h2 span {
            color: var(--xk-primary);
        }

        .xk-about .about-text p {
            color: var(--xk-text-muted);
            font-size: 1rem;
            margin-bottom: 18px;
        }

        .about-feature {
            display: flex;
            gap: 16px;
            padding: 16px 20px;
            border-radius: var(--xk-radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--xk-border);
            margin-bottom: 18px;
            transition: var(--xk-transition);
        }

        .about-feature:hover {
            border-color: rgba(0, 229, 255, 0.36);
            background: rgba(0, 229, 255, 0.04);
        }

        .about-feature .icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.24);
            color: var(--xk-primary);
            font-size: 1.15rem;
        }

        .about-feature h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .about-feature p {
            font-size: 0.9rem;
            color: var(--xk-text-muted);
            margin: 0;
        }

        .xk-stats {
            position: relative;
            padding: 78px 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
        }

        .xk-stats::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 11, 20, 0.95), rgba(7, 11, 20, 0.8));
        }

        .xk-stats .container {
            position: relative;
            z-index: 2;
        }

        .xk-stat-card {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--xk-border);
            border-radius: var(--xk-radius);
            backdrop-filter: blur(10px);
            height: 100%;
            transition: var(--xk-transition);
        }

        .xk-stat-card:hover {
            border-color: rgba(255, 78, 59, 0.5);
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.07);
        }

        .xk-stat-card .num {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.1;
            color: #fff;
        }

        .xk-stat-card .num small {
            font-size: 1.2rem;
            color: var(--xk-accent);
            font-weight: 800;
            margin-left: 2px;
        }

        .xk-stat-card .label {
            color: var(--xk-text-muted);
            font-size: 0.92rem;
            margin-top: 12px;
        }

        .xk-list-card {
            background: var(--xk-card);
            border: 1px solid var(--xk-border);
            border-radius: var(--xk-radius);
            padding: 10px 22px;
            transition: var(--xk-transition);
        }

        .xk-list-card:hover {
            border-color: rgba(0, 229, 255, 0.35);
            background: var(--xk-card-slight);
            transform: translateX(4px);
        }

        .xk-list-row {
            padding: 18px 0;
            border-bottom: 1px dashed rgba(148, 163, 184, 0.18);
        }

        .xk-list-row:last-child {
            border-bottom: none;
        }

        .xk-list-row .row {
            align-items: center;
        }

        .xk-list-row .tag {
            display: inline-flex;
            font-size: 0.76rem;
            font-weight: 700;
            color: var(--xk-primary);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.2);
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .xk-list-row .tag.orange {
            color: var(--xk-accent);
            background: rgba(255, 78, 59, 0.08);
            border-color: rgba(255, 78, 59, 0.24);
        }

        .xk-list-row h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin: 0;
        }

        .xk-list-row a:hover {
            color: var(--xk-primary);
        }

        .xk-list-row .meta {
            color: var(--xk-text-muted);
            font-size: 0.86rem;
            display: flex;
            gap: 14px;
            align-items: center;
        }

        .xk-list-row .meta i {
            color: var(--xk-primary);
        }

        .xk-list-row .arrow {
            color: var(--xk-text-muted);
            transition: var(--xk-transition);
            font-size: 1rem;
        }

        .xk-list-row:hover .arrow {
            color: var(--xk-primary);
            transform: translateX(4px);
        }

        .xk-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .xk-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--xk-text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--xk-border);
            padding: 8px 18px;
            border-radius: 999px;
            transition: var(--xk-transition);
        }

        .xk-tag:hover {
            color: #fff;
            border-color: var(--xk-accent);
            background: rgba(255, 78, 59, 0.18);
            transform: translateY(-2px);
        }

        .xk-tag .count {
            background: rgba(255, 255, 255, 0.1);
            font-size: 0.76rem;
            padding: 2px 10px;
            border-radius: 999px;
            color: var(--xk-text-muted);
        }

        .xk-tag:hover .count {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }

        .xk-subscribe {
            padding: 80px 0;
        }

        .subscribe-inner {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(255, 78, 59, 0.09));
            border: 1px solid rgba(0, 229, 255, 0.2);
            border-radius: 22px;
            padding: 52px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-inner::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.08);
            filter: blur(60px);
            top: -80px;
            right: -60px;
        }

        .subscribe-inner h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .subscribe-inner p {
            color: var(--xk-text-muted);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .subscribe-inner .form-control {
            background: rgba(7, 11, 20, 0.65);
            border: 1px solid var(--xk-border);
            border-radius: 12px;
            color: var(--xk-text);
            padding: 14px 20px;
            height: auto;
        }

        .subscribe-inner .form-control:focus {
            background: rgba(7, 11, 20, 0.9);
            border-color: var(--xk-primary);
            box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.12);
            color: var(--xk-text);
        }

        .subscribe-inner .form-control::placeholder {
            color: #5f6d85;
        }

        .subscribe-inner .btn-xk-accent {
            padding: 13px 32px;
        }

        .xk-faq .accordion-item {
            background: var(--xk-card);
            border: 1px solid var(--xk-border);
            border-radius: var(--xk-radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .xk-faq .accordion-button {
            background: var(--xk-card);
            color: var(--xk-text);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--xk-radius-sm) !important;
        }

        .xk-faq .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 255, 0.07);
            color: var(--xk-primary);
        }

        .xk-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        }

        .xk-faq .accordion-button::after {
            filter: invert(0.8);
        }

        .xk-faq .accordion-body {
            padding: 6px 24px 22px;
            color: var(--xk-text-muted);
        }

        .xk-footer {
            background: #050810;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            padding: 64px 0 0;
            color: var(--xk-text-muted);
        }

        .xk-footer .foot-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .xk-footer .foot-brand i {
            color: var(--xk-accent);
        }

        .xk-footer h4 {
            color: #d7e0ed;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .xk-footer .foot-link {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .xk-footer .foot-link li {
            margin-bottom: 10px;
        }

        .xk-footer .foot-link a {
            color: var(--xk-text-muted);
            transition: var(--xk-transition);
            font-size: 0.94rem;
        }

        .xk-footer .foot-link a:hover {
            color: var(--xk-primary);
            padding-left: 4px;
        }

        .foot-bottom {
            margin-top: 42px;
            padding: 20px 0 22px;
            border-top: 1px solid rgba(148, 163, 184, 0.1);
            text-align: center;
            font-size: 0.86rem;
            color: #566176;
        }

        .foot-bottom p {
            margin: 0;
        }

        @media (max-width: 1024px) {
            .xk-section {
                padding: 76px 0;
            }
            .xk-about {
                gap: 36px;
            }
        }

        @media (max-width: 991.98px) {
            .xk-header .navbar-collapse {
                background: rgba(7, 11, 20, 0.96);
                padding: 18px 20px;
                border-radius: 16px;
                border: 1px solid var(--xk-border);
                margin-top: 12px;
            }
            .xk-header .navbar-nav {
                align-items: flex-start !important;
                gap: 6px !important;
            }
            .xk-header .ms-lg-3 {
                margin-left: 0 !important;
                margin-top: 10px;
            }
            .xk-about {
                grid-template-columns: 1fr;
            }
            .xk-cat-hero {
                padding: 90px 0 66px;
            }
        }

        @media (max-width: 767.98px) {
            .xk-section {
                padding: 62px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .xk-list-row .meta {
                justify-content: flex-start;
                gap: 10px;
            }
            .xk-list-row .arrow {
                display: none;
            }
            .subscribe-inner {
                padding: 36px 20px;
            }
            .xk-cat-hero {
                padding: 74px 0 54px;
            }
            .xk-cat-hero .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .xk-cat-hero h1 {
                font-size: 2rem;
            }
            .xk-cat-hero p.lead {
                font-size: 0.95rem;
            }
            .xk-stat-card .num {
                font-size: 2rem;
            }
            .xk-list-row h3 {
                font-size: 0.94rem;
            }
            .hero-tags span {
                font-size: 0.78rem;
                padding: 5px 10px;
            }
            .xk-footer .foot-bottom {
                text-align: center;
            }
            .btn-xk-outline,
            .btn-xk-accent {
                width: 100%;
                justify-content: center;
                display: inline-flex;
                align-items: center;
            }
            .xk-cat-hero .hero-buttons {
                display: flex;
                flex-direction: column;
                gap: 12px;
            }
        }

/* roulang page: article */
:root{
    --xk-primary:#0a0e1a;
    --xk-primary-light:#111c30;
    --xk-secondary:#152238;
    --xk-accent:#e63946;
    --xk-accent-dark:#b01e2e;
    --xk-gold:#f59e0b;
    --xk-cyan:#38bdf8;
    --xk-bg:#f4f6fa;
    --xk-card:#ffffff;
    --xk-text:#1e293b;
    --xk-muted:#64748b;
    --xk-border:rgba(15,23,42,0.08);
    --xk-radius:16px;
    --xk-radius-md:12px;
    --xk-radius-sm:8px;
    --xk-shadow:0 20px 40px -12px rgba(2,6,23,0.18);
    --xk-shadow-sm:0 4px 12px rgba(2,6,23,0.08);
    --xk-transition:.35s cubic-bezier(.4,0,.2,1);
    --xk-font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:var(--xk-font);
    background:var(--xk-bg);
    color:var(--xk-text);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--xk-transition)}
a:hover{text-decoration:none}
img{max-width:100%;height:auto}
.btn{border-radius:10px;font-weight:600;letter-spacing:.02em}
.btn-xk-accent{
    background:linear-gradient(135deg,var(--xk-accent),#f43f5e);
    border:none;
    color:#fff !important;
    padding:.75rem 2rem;
    border-radius:10px;
    font-weight:700;
    box-shadow:0 8px 20px -6px rgba(230,57,70,.5);
    transition:var(--xk-transition);
}
.btn-xk-accent:hover,.btn-xk-accent:focus{
    background:linear-gradient(135deg,#c02530,var(--xk-accent-dark));
    transform:translateY(-2px);
    box-shadow:0 12px 28px -6px rgba(230,57,70,.6);
    color:#fff;
}
.btn-xk-dark{
    background:var(--xk-primary);
    border:1px solid rgba(255,255,255,.2);
    color:#fff;
    padding:.75rem 2rem;
    border-radius:10px;
    font-weight:600;
    transition:var(--xk-transition);
}
.btn-xk-dark:hover{
    background:#1a2740;
    border-color:var(--xk-accent);
    transform:translateY(-2px);
    color:#fff;
}
.btn-xk-ghost{
    background:transparent;
    border:1px solid rgba(255,255,255,.35);
    color:#fff;
    padding:.6rem 1.5rem;
    border-radius:10px;
    font-weight:600;
    transition:var(--xk-transition);
}
.btn-xk-ghost:hover{
    border-color:#fff;
    background:rgba(255,255,255,.1);
    transform:translateY(-2px);
    color:#fff;
}
.container{max-width:1200px}
.xk-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:1080;
    background:rgba(10,14,26,.92);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,255,255,.07);
    transition:var(--xk-transition);
}
.xk-header .navbar{
    min-height:72px;
    padding:0;
}
.xk-logo{
    display:flex;
    align-items:center;
    gap:.55rem;
    font-size:1.35rem;
    font-weight:800;
    color:#fff !important;
    letter-spacing:.01em;
}
.xk-logo i{
    display:inline-flex;
    align-items:center;justify-content:center;
    width:38px;height:38px;
    border-radius:10px;
    background:linear-gradient(135deg,var(--xk-accent),#f59e0b);
    color:#fff;
    font-size:1.1rem;
    box-shadow:0 0 0 4px rgba(230,57,70,.25);
}
.xk-header .navbar-nav .nav-link{
    color:rgba(255,255,255,.75);
    font-weight:600;
    font-size:1rem;
    padding:.5rem .95rem;
    border-radius:8px;
    transition:var(--xk-transition);
}
.xk-header .navbar-nav .nav-link:hover{
    color:#fff;
    background:rgba(255,255,255,.08);
    transform:translateY(-1px);
}
.xk-header .navbar-nav .nav-link.active{
    color:var(--xk-accent);
    background:rgba(230,57,70,.12);
    box-shadow:inset 0 -2px 0 var(--xk-accent);
}
.xk-header .navbar-toggler{
    border:none;
    color:#fff;
    font-size:1.4rem;
    padding:.25rem .65rem;
}
.xk-header .navbar-toggler:focus{
    box-shadow:none;
    color:var(--xk-accent);
}
.xk-progress{
    position:fixed;
    top:0;left:0;
    width:0%;
    height:3px;
    background:linear-gradient(90deg,var(--xk-accent),var(--xk-gold));
    z-index:1090;
    transition:width .1s linear;
}
.xk-article-hero{
    position:relative;
    padding:150px 0 90px;
    background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-bottom:4px solid var(--xk-accent);
}
.xk-article-hero::before{
    content:'';
    position:absolute;
    top:0;left:0;right:0;bottom:0;
    background:linear-gradient(135deg,rgba(10,14,26,.94) 0%,rgba(10,14,26,.75) 55%,rgba(20,30,52,.6) 100%);
}
.xk-article-hero-content{
    position:relative;
    z-index:2;
    max-width:900px;
}
.xk-breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:.5rem;
    margin-bottom:1.5rem;
    font-size:.9rem;
    color:rgba(255,255,255,.55);
}
.xk-breadcrumb a{
    color:rgba(255,255,255,.7);
    transition:var(--xk-transition);
}
.xk-breadcrumb a:hover{color:var(--xk-gold)}
.xk-breadcrumb i.fa-angle-right{font-size:.75rem}
.xk-breadcrumb span{color:rgba(255,255,255,.4)}
.xk-category-chip{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    background:rgba(230,57,70,.18);
    border:1px solid rgba(230,57,70,.5);
    color:#fca5a5;
    font-size:.85rem;
    font-weight:700;
    letter-spacing:.08em;
    padding:.35rem 1rem;
    border-radius:50px;
    margin-bottom:1.2rem;
}
.xk-article-hero h1{
    color:#fff;
    font-weight:800;
    font-size:2.45rem;
    line-height:1.3;
    margin-bottom:1rem;
    letter-spacing:-.02em;
}
.xk-article-desc{
    color:rgba(255,255,255,.68);
    font-size:1.1rem;
    line-height:1.7;
    margin-bottom:1.6rem;
}
.xk-article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:1.4rem;
    color:rgba(255,255,255,.6);
    font-size:.92rem;
}
.xk-article-meta span{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
}
.xk-article-meta i{color:var(--xk-gold)}
.xk-article-section{
    padding:60px 0 20px;
}
.xk-article-card{
    background:var(--xk-card);
    border-radius:var(--xk-radius);
    box-shadow:var(--xk-shadow);
    border:1px solid var(--xk-border);
    padding:3rem 3.5rem;
    position:relative;
    overflow:hidden;
}
.xk-article-card::before{
    content:'';
    position:absolute;
    top:0;left:0;right:0;
    height:4px;
    background:linear-gradient(90deg,var(--xk-accent),var(--xk-gold),transparent);
}
.xk-article-body{
    font-size:1.05rem;
    line-height:1.9;
    color:#334155;
}
.xk-article-body > *:first-child{margin-top:0}
.xk-article-body h2{
    font-size:1.7rem;
    font-weight:700;
    color:var(--xk-text);
    margin:2.4rem 0 1.1rem;
    padding-left:1rem;
    border-left:4px solid var(--xk-accent);
    line-height:1.4;
}
.xk-article-body h3{
    font-size:1.35rem;
    font-weight:700;
    color:var(--xk-text);
    margin:2rem 0 .9rem;
}
.xk-article-body h4{
    font-size:1.15rem;
    font-weight:700;
    color:var(--xk-text);
    margin:1.7rem 0 .7rem;
}
.xk-article-body p{margin-bottom:1.3rem}
.xk-article-body a{
    color:var(--xk-accent-dark);
    font-weight:600;
    border-bottom:1px solid rgba(230,57,70,.3);
}
.xk-article-body a:hover{
    color:var(--xk-accent);
    border-bottom-color:var(--xk-accent);
}
.xk-article-body img{
    border-radius:var(--xk-radius-md);
    box-shadow:var(--xk-shadow-sm);
    margin:1.8rem auto;
    display:block;
}
.xk-article-body blockquote{
    border-left:4px solid var(--xk-accent);
    background:linear-gradient(135deg,rgba(230,57,70,.06),rgba(245,158,11,.04));
    padding:1.4rem 1.8rem;
    border-radius:0 var(--xk-radius-md) var(--xk-radius-md) 0;
    margin:1.8rem 0;
    color:#475569;
    font-style:normal;
}
.xk-article-body blockquote p:last-child{margin-bottom:0}
.xk-article-body ul,.xk-article-body ol{
    margin:1.2rem 0 1.4rem;
    padding-left:1.6rem;
}
.xk-article-body ul li,.xk-article-body ol li{
    margin-bottom:.55rem;
    padding-left:.2rem;
}
.xk-article-body ul li::marker{color:var(--xk-accent)}
.xk-article-body ol li::marker{color:var(--xk-gold);font-weight:700}
.xk-article-body table{
    width:100%;
    border-collapse:separate;
    border-spacing:0;
    border:1px solid var(--xk-border);
    border-radius:var(--xk-radius-md);
    overflow:hidden;
    margin:1.6rem 0;
    font-size:.95rem;
}
.xk-article-body table th{
    background:#0f172a;
    color:#fff;
    font-weight:700;
    padding:.9rem 1.2rem;
    border-bottom:2px solid rgba(255,255,255,.12);
}
.xk-article-body table td{
    padding:.85rem 1.2rem;
    border-bottom:1px solid var(--xk-border);
    background:#fff;
}
.xk-article-body table tr:last-child td{border-bottom:none}
.xk-article-body table tr:hover td{background:rgba(230,57,70,.03)}
.xk-article-body code{
    background:#f1f5f9;
    padding:.2rem .5rem;
    border-radius:6px;
    font-size:.9em;
    color:var(--xk-accent-dark);
}
.xk-article-body pre{
    background:#0f172a;
    color:#e2e8f0;
    padding:1.4rem;
    border-radius:var(--xk-radius-md);
    overflow-x:auto;
    font-size:.9rem;
    line-height:1.7;
    margin:1.6rem 0;
}
.xk-article-body pre code{background:none;color:inherit;padding:0}
.xk-article-divider{
    display:flex;
    align-items:center;
    gap:1rem;
    margin:2.6rem 0 1.6rem;
    color:var(--xk-muted);
}
.xk-article-divider span{
    flex:1;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(100,116,139,.3));
}
.xk-article-divider span:last-child{
    background:linear-gradient(90deg,rgba(100,116,139,.3),transparent);
}
.xk-article-divider i{color:var(--xk-accent)}
.xk-article-tags{
    display:flex;
    flex-wrap:wrap;
    gap:.6rem;
}
.xk-tag{
    display:inline-flex;
    align-items:center;
    gap:.35rem;
    background:#f1f5f9;
    color:var(--xk-muted);
    border-radius:50px;
    padding:.35rem .95rem;
    font-size:.85rem;
    font-weight:600;
    transition:var(--xk-transition);
}
.xk-tag:hover{
    background:var(--xk-accent);
    color:#fff;
}
.xk-share-section{
    padding:10px 0 40px;
}
.xk-share-box{
    background:var(--xk-card);
    border-radius:var(--xk-radius-md);
    border:1px solid var(--xk-border);
    box-shadow:var(--xk-shadow-sm);
    padding:1.1rem 1.6rem;
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:.8rem;
    justify-content:space-between;
}
.xk-share-left{
    display:flex;
    align-items:center;
    gap:.6rem;
    color:var(--xk-muted);
    font-size:.9rem;
    font-weight:600;
}
.xk-share-icons{
    display:flex;
    gap:.5rem;
}
.xk-share-icon{
    display:inline-flex;
    align-items:center;justify-content:center;
    width:38px;height:38px;
    border-radius:10px;
    background:#f1f5f9;
    color:var(--xk-muted);
    font-size:.95rem;
    transition:var(--xk-transition);
    cursor:pointer;
}
.xk-share-icon:hover{
    background:var(--xk-accent);
    color:#fff;
    transform:translateY(-3px);
    box-shadow:0 6px 16px rgba(230,57,70,.4);
}
.xk-back-link{
    display:inline-flex;
    align-items:center;
    gap:.5rem;
    color:var(--xk-muted);
    font-weight:600;
    font-size:.9rem;
    transition:var(--xk-transition);
}
.xk-back-link:hover{
    color:var(--xk-accent);
    transform:translateX(-4px);
}
.xk-related-section{
    padding:60px 0;
    background:#fff;
    border-top:1px solid var(--xk-border);
    border-bottom:1px solid var(--xk-border);
}
.xk-section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:1rem;
    margin-bottom:2.5rem;
}
.xk-section-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:.5rem;
    font-size:.8rem;
    font-weight:800;
    letter-spacing:.12em;
    color:var(--xk-accent);
    text-transform:uppercase;
}
.xk-section-eyebrow::before{
    content:'';
    width:24px;
    height:2px;
    background:var(--xk-accent);
    display:inline-block;
}
.xk-section-head h2{
    font-size:2rem;
    font-weight:800;
    margin:0;
    letter-spacing:-.02em;
}
.xk-related-img{
    position:relative;
    border-radius:var(--xk-radius-md);
    overflow:hidden;
    aspect-ratio:16/10;
    display:block;
}
.xk-related-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.xk-related-tag{
    position:absolute;
    top:12px;left:12px;
    background:rgba(10,14,26,.8);
    backdrop-filter:blur(8px);
    color:#fff;
    font-size:.75rem;
    font-weight:700;
    padding:.3rem .8rem;
    border-radius:50px;
    border:1px solid rgba(255,255,255,.15);
}
.xk-related-card{
    display:block;
    background:var(--xk-bg);
    border-radius:var(--xk-radius-md);
    border:1px solid var(--xk-border);
    overflow:hidden;
    height:100%;
    transition:var(--xk-transition);
}
.xk-related-card:hover{
    transform:translateY(-6px);
    box-shadow:var(--xk-shadow);
    border-color:rgba(230,57,70,.3);
}
.xk-related-card:hover .xk-related-img img{
    transform:scale(1.08);
}
.xk-related-body{
    padding:1.5rem 1.4rem;
}
.xk-related-body h3{
    font-size:1.15rem;
    font-weight:700;
    line-height:1.5;
    color:var(--xk-text);
    margin-bottom:.6rem;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.xk-related-body p{
    color:var(--xk-muted);
    font-size:.9rem;
    line-height:1.65;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:1rem;
}
.xk-related-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:.82rem;
    color:var(--xk-muted);
}
.xk-read-more{
    color:var(--xk-accent);
    font-weight:700;
}
.xk-cta{
    position:relative;
    padding:90px 0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    overflow:hidden;
}
.xk-cta::before{
    content:'';
    position:absolute;
    top:0;left:0;right:0;bottom:0;
    background:linear-gradient(120deg,rgba(10,14,26,.96),rgba(10,14,26,.82));
}
.xk-cta-inner{
    position:relative;
    z-index:2;
    text-align:center;
    max-width:720px;
    margin:0 auto;
}
.xk-cta-inner h2{
    color:#fff;
    font-size:2.2rem;
    font-weight:800;
    margin-bottom:1rem;
    letter-spacing:-.02em;
}
.xk-cta-inner p{
    color:rgba(255,255,255,.65);
    font-size:1.1rem;
    margin-bottom:2rem;
}
.xk-not-found{
    text-align:center;
    padding:4rem 2rem;
}
.xk-not-found i{
    font-size:3.5rem;
    color:var(--xk-accent);
    margin-bottom:1.2rem;
    display:block;
}
.xk-not-found h2{
    font-size:1.8rem;
    font-weight:800;
    margin-bottom:.8rem;
}
.xk-not-found p{
    color:var(--xk-muted);
    margin-bottom:1.8rem;
}
.xk-footer{
    background:#0a0e1a;
    color:rgba(255,255,255,.7);
    padding:70px 0 0;
    border-top:4px solid var(--xk-accent);
}
.xk-footer .foot-brand{
    font-size:1.4rem;
    font-weight:800;
    color:#fff;
    display:inline-flex;
    align-items:center;
    gap:.55rem;
}
.xk-footer .foot-brand i{
    display:inline-flex;
    align-items:center;justify-content:center;
    width:36px;height:36px;
    border-radius:10px;
    background:linear-gradient(135deg,var(--xk-accent),var(--xk-gold));
    color:#fff;
    font-size:1rem;
}
.xk-footer h4{
    color:#fff;
    font-size:1.05rem;
    font-weight:700;
    margin-bottom:1.2rem;
    position:relative;
    padding-bottom:.6rem;
}
.xk-footer h4::after{
    content:'';
    position:absolute;
    bottom:0;left:0;
    width:28px;
    height:2px;
    background:var(--xk-accent);
    border-radius:2px;
}
.xk-footer .foot-link{
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:.7rem;
}
.xk-footer .foot-link a{
    color:rgba(255,255,255,.6);
    transition:var(--xk-transition);
    font-size:.95rem;
}
.xk-footer .foot-link a:hover{
    color:var(--xk-gold);
    padding-left:4px;
}
.xk-footer p{font-size:.95rem}
.xk-footer .foot-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:1.5rem 0;
    margin-top:50px;
    text-align:center;
    font-size:.9rem;
    color:rgba(255,255,255,.45);
}
@media(max-width:991.98px){
    .xk-header .navbar-collapse{
        background:rgba(10,14,26,.97);
        border-radius:0 0 var(--xk-radius-md) var(--xk-radius-md);
        padding:1rem;
        box-shadow:var(--xk-shadow);
        border:1px solid rgba(255,255,255,.08);
        border-top:none;
        margin-top:.2rem;
    }
    .xk-header .navbar-nav .nav-link{
        padding:.7rem 1rem;
    }
    .xk-header .navbar-nav .nav-item.ms-lg-3{
        margin-left:0 !important;
        margin-top:.5rem;
    }
    .xk-article-hero{padding:120px 0 60px}
    .xk-article-hero h1{font-size:1.9rem}
    .xk-article-card{padding:2rem 1.5rem}
}
@media(max-width:767.98px){
    .xk-article-hero h1{font-size:1.6rem}
    .xk-article-card{padding:1.6rem 1.1rem}
    .xk-article-body{font-size:.98rem;line-height:1.8}
    .xk-article-body h2{font-size:1.4rem}
    .xk-article-body h3{font-size:1.2rem}
    .xk-article-meta{gap:1rem;font-size:.85rem}
    .xk-article-hero{padding:105px 0 50px}
    .xk-share-box{flex-direction:column;align-items:flex-start}
    .xk-section-head h2{font-size:1.55rem}
    .xk-cta-inner h2{font-size:1.6rem}
}
@media(max-width:575.98px){
    .xk-article-hero h1{font-size:1.35rem}
    .xk-article-desc{font-size:.95rem}
    .xk-article-meta{flex-direction:column;gap:.5rem;align-items:flex-start}
    .xk-article-section{padding:35px 0 10px}
    .xk-related-section{padding:40px 0}
    .xk-cta{padding:60px 0}
    .xk-cta-inner h2{font-size:1.4rem}
    .xk-cta-inner p{font-size:.98rem}
}