/* roulang page: index */
:root {
            --primary: #6c4de0;
            --primary-dark: #4526b3;
            --primary-light: #ede9ff;
            --accent: #ffb62e;
            --accent-light: #fff4dd;
            --dark-bg: #191035;
            --dark-panel: #241750;
            --light-bg: #f5f3fb;
            --card-bg: #ffffff;
            --text: #242036;
            --text-muted: #75708c;
            --border: #e3dcf3;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 35px rgba(78, 48, 140, .08);
            --shadow-lg: 0 22px 54px rgba(78, 48, 140, .16);
            --spacer: 88px;
            --font-cn: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Rajdhani', 'Noto Sans SC', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-cn);
            color: var(--text);
            background: var(--light-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: var(--spacer) 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .06em;
            padding: 7px 18px;
            border-radius: 50px;
            margin-bottom: 14px;
        }

        .section-tag i {
            font-size: .9rem;
        }

        .section-head {
            max-width: 640px;
            margin-bottom: 42px;
        }

        .section-head h2 {
            font-size: 2.1rem;
            font-weight: 900;
            color: var(--text);
            line-height: 1.3;
            margin: 0 0 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1.02rem;
            margin: 0;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            padding: 14px 0 10px;
            background: linear-gradient(135deg, rgba(25, 16, 53, .96), rgba(52, 30, 100, .93));
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .site-header .navbar {
            background: rgba(255, 255, 255, .055);
            border: 1px solid rgba(255, 255, 255, .09);
            border-radius: 18px;
            padding: 6px 14px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, .28);
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.12rem;
            color: #ffffff !important;
            letter-spacing: .02em;
        }

        .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #ff8f2e);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #1e1137;
            font-size: .9rem;
            box-shadow: 0 5px 16px rgba(255, 180, 46, .4);
        }

        .navbar-nav {
            gap: 4px;
            margin-left: auto;
            margin-right: auto;
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .82);
            font-weight: 500;
            font-size: .94rem;
            padding: 10px 18px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .28s ease;
            position: relative;
        }

        .navbar-nav .nav-link i {
            font-size: .88rem;
            color: rgba(255, 255, 255, .62);
            transition: color .25s ease;
        }

        .navbar-nav .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, .08);
        }

        .navbar-nav .nav-link:hover i {
            color: var(--accent);
        }

        .navbar-nav .nav-item .nav-link.active {
            color: #ffffff;
            background: rgba(255, 255, 255, .10);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
        }

        .navbar-nav .nav-item .nav-link.active i {
            color: var(--accent);
        }

        .nav-cta .btn-brand {
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: .9rem;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(255, 255, 255, .18);
        }

        .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%28255,255,255,.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ============ Buttons ============ */
        .btn-brand {
            background: linear-gradient(135deg, var(--primary), #7b5df5);
            color: #ffffff;
            border: none;
            font-weight: 700;
            border-radius: 50px;
            padding: 11px 28px;
            box-shadow: 0 8px 24px rgba(108, 77, 224, .28);
            transition: all .3s ease;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            color: #ffffff;
            box-shadow: 0 14px 34px rgba(108, 77, 224, .36);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(108, 77, 224, .22);
        }

        .btn-brand:focus,
        .btn-outline-light:focus,
        .btn-accent:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(108, 77, 224, .25);
        }

        .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, .6);
            color: #ffffff;
            font-weight: 600;
            border-radius: 50px;
            padding: 11px 28px;
            background: transparent;
            transition: all .3s ease;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #ffffff;
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #ff9346);
            color: #1e1137;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            padding: 12px 30px;
            box-shadow: 0 10px 28px rgba(255, 170, 30, .32);
            transition: all .3s ease;
        }

        .btn-accent:hover {
            transform: translateY(-3px);
            color: #1e1137;
            box-shadow: 0 16px 36px rgba(255, 170, 30, .42);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            color: #ffffff;
            padding: 130px 0 110px;
            background: linear-gradient(135deg, rgba(25, 16, 53, .94) 0%, rgba(63, 34, 130, .88) 45%, rgba(25, 16, 53, .78) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 180, 46, .22), transparent 62%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #f7f3ff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: -.02em;
            margin-bottom: 20px;
            background: linear-gradient(120deg, #ffffff 40%, #d7c8ff);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero .lead {
            font-size: 1.14rem;
            color: rgba(255, 255, 255, .82);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 44px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 34px;
        }

        .hero-stats .stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stats .stat-item strong {
            font-family: var(--font-num);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
        }

        .hero-stats .stat-item span {
            font-size: .84rem;
            color: rgba(255, 255, 255, .68);
            margin-top: 4px;
        }

        .hero-image-wrap {
            position: relative;
            text-align: center;
        }

        .hero-image-wrap img {
            border-radius: 28px;
            box-shadow: 0 30px 70px rgba(0, 0, 0, .4);
            border: 1px solid rgba(255, 255, 255, .12);
            transform: rotate(1.2deg);
            width: 100%;
            max-width: 440px;
            margin-left: auto;
        }

        /* ============ About ============ */
        .about-section {
            background: #ffffff;
            padding: var(--spacer) 0;
        }

        .about-media {
            position: relative;
        }

        .about-media img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
        }

        .about-media::after {
            content: '';
            position: absolute;
            top: 24px;
            left: -24px;
            right: 24px;
            bottom: -24px;
            border: 2px solid var(--primary-light);
            border-radius: var(--radius-lg);
            z-index: 0;
        }

        .about-media img {
            position: relative;
            z-index: 1;
        }

        .about-content h2 {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .about-content p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-weight: 500;
        }

        .feature-list li i {
            color: var(--primary);
            font-size: 1.2rem;
        }

        /* ============ Categories ============ */
        .categories-section {
            padding: var(--spacer) 0;
            background: var(--light-bg);
        }

        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .35s ease;
            height: 100%;
            border: 1px solid rgba(255, 255, 255, .7);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .category-card .cc-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .category-card .cc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .category-card:hover .cc-image img {
            transform: scale(1.05);
        }

        .category-card .cc-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(25, 16, 53, .5), transparent 55%);
        }

        .category-card .cc-body {
            padding: 26px 26px 30px;
        }

        .category-card .cc-body h3 {
            font-size: 1.28rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .category-card .cc-body p {
            color: var(--text-muted);
            font-size: .94rem;
            margin-bottom: 20px;
            min-height: 60px;
        }

        .category-card .cc-link {
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .92rem;
            transition: gap .25s ease;
        }

        .category-card .cc-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        .badge-soft {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: .75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: .03em;
        }

        /* ============ News ============ */
        .news-section {
            padding: var(--spacer) 0;
            background: #ffffff;
        }

        .news-card {
            background: #fbfaff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            position: relative;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: #cfc3f2;
        }

        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.55;
            margin: 14px 0 10px;
        }

        .news-card h3 a {
            color: var(--text);
        }

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

        .news-card p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: .82rem;
        }

        .news-meta i {
            color: var(--primary);
        }

        .news-card .badge-soft {
            margin-bottom: 4px;
        }

        /* ============ Stats ============ */
        .stats-section {
            position: relative;
            padding: var(--spacer) 0;
            background: linear-gradient(135deg, var(--dark-bg), #2d1b6b), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            background-blend-mode: overlay;
            color: #ffffff;
        }

        .stats-section .section-tag {
            background: rgba(255, 255, 255, .12);
            color: #ffffff;
        }

        .stat-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            text-align: center;
            padding: 38px 24px;
            backdrop-filter: blur(8px);
            transition: all .3s ease;
            height: 100%;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, .10);
            transform: translateY(-4px);
            box-shadow: 0 18px 44px rgba(0, 0, 0, .2);
        }

        .stat-card i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 16px;
            display: inline-block;
        }

        .stat-card h3 {
            font-family: var(--font-num);
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card p {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            margin: 0;
        }

        /* ============ Features ============ */
        .features-section {
            padding: var(--spacer) 0;
            background: var(--light-bg);
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow);
            height: 100%;
            border: 1px solid rgba(255, 255, 255, .8);
            transition: all .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .feature-card .f-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-light), #ded4ff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.16rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: .93rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--spacer) 0;
            background: #ffffff;
        }

        .faq-intro {
            padding-right: 24px;
        }

        .faq-intro h2 {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .faq-intro p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .accordion-item {
            background: var(--light-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(78, 48, 140, .04);
            transition: box-shadow .25s ease;
        }

        .accordion-item:focus-within {
            box-shadow: 0 0 0 4px rgba(108, 77, 224, .12);
        }

        .accordion-button {
            background: var(--light-bg);
            color: var(--text);
            font-weight: 600;
            font-size: .98rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236c4de0'%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");
        }

        .accordion-body {
            color: var(--text-muted);
            font-size: .95rem;
            line-height: 1.75;
            padding: 6px 24px 22px;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: var(--spacer) 0;
            background: var(--light-bg);
        }

        .cta-inner {
            background: linear-gradient(135deg, var(--primary), #5c38d9), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            background-blend-mode: multiply;
            border-radius: 32px;
            padding: 60px 48px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: 40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
        }

        .cta-inner .btn-accent {
            background: #ffffff;
            color: var(--primary-dark);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .18);
        }

        .cta-inner .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, .24);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
        }

        .site-footer h4 {
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .site-footer p {
            font-size: .92rem;
            line-height: 1.7;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: .92rem;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 3px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 12px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .75);
            font-size: .92rem;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            margin-top: 48px;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .45);
        }

        .brand-footer {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ffffff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .brand-footer .brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--accent), #ff8f2e);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .8rem;
            color: #1e1137;
        }

        /* ============ Responsive ============ */
        @media (max-width: 991.98px) {
            .navbar-nav {
                margin: 14px 0 8px;
                width: 100%;
            }

            .navbar-nav .nav-link {
                padding: 10px 12px;
            }

            .nav-cta {
                padding: 8px 0 12px;
                text-align: center;
            }

            .hero {
                padding: 90px 0 70px;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero-image-wrap {
                margin-top: 44px;
            }

            .hero-image-wrap img {
                margin: 0 auto;
                max-width: 380px;
            }

            .about-media {
                margin-bottom: 50px;
            }

            .about-media::after {
                left: -12px;
                top: 12px;
                right: 12px;
                bottom: -12px;
            }

            .faq-intro {
                margin-bottom: 34px;
                padding-right: 0;
            }

            .cta-inner {
                padding: 44px 24px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacer: 60px;
            }

            .section-head h2,
            .about-content h2,
            .faq-intro h2 {
                font-size: 1.6rem;
            }

            .hero h1 {
                font-size: 1.95rem;
            }

            .hero .lead {
                font-size: 1rem;
            }

            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }

            .hero-stats {
                gap: 24px;
            }

            .hero-stats .stat-item strong {
                font-size: 1.7rem;
            }

            .feature-card,
            .category-card {
                margin-bottom: 20px;
            }

            .stat-card {
                margin-bottom: 20px;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .site-footer {
                padding-top: 44px;
            }

            .site-footer .col-lg-4 {
                margin-bottom: 26px;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .hero {
                padding: 70px 0 56px;
            }

            .hero h1 {
                font-size: 1.72rem;
            }

            .hero-badge {
                font-size: .78rem;
                padding: 6px 14px;
            }

            .hero-stats {
                gap: 18px;
            }

            .hero-stats .stat-item strong {
                font-size: 1.4rem;
            }

            .hero-stats .stat-item span {
                font-size: .76rem;
            }

            .navbar-brand {
                font-size: 1rem;
            }

            .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: .8rem;
            }

            .category-card .cc-body {
                padding: 20px;
            }

            .category-card .cc-body p {
                min-height: 0;
            }

            .section-head {
                margin-bottom: 28px;
            }

            .accordion-button {
                font-size: .88rem;
                padding: 16px 18px;
            }

            .accordion-body {
                font-size: .87rem;
                padding: 4px 18px 16px;
            }

            .cta-inner {
                border-radius: 20px;
                padding: 34px 18px;
            }

            .cta-inner h2 {
                font-size: 1.28rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5546c9;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #ffeaa7;
            --bg-dark: #0f0e1a;
            --bg-deep: #1a1830;
            --bg-card: #211d3a;
            --bg-light: #f8f7ff;
            --text-light: #f4f3ff;
            --text-muted: #a09bb8;
            --text-dark: #2d2b3a;
            --border-soft: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.16);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.2);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.12);
            --spacer: 5rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1240px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(15, 14, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            padding: 0;
        }

        .site-header .navbar {
            padding: 0.65rem 0;
            min-height: 72px;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 0.01em;
            color: var(--text-light);
            background: linear-gradient(135deg, #fff 0%, #c9c5ff 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .site-header .navbar-brand .brand-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.4);
            -webkit-text-fill-color: #fff;
        }

        .navbar-nav {
            margin-left: 2rem;
            gap: 0.15rem;
        }

        .nav-link {
            padding: 0.6rem 1rem !important;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-muted) !important;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 0.85rem;
        }

        .nav-link:hover {
            color: var(--text-light) !important;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-1px);
        }

        .nav-link.active {
            color: #fff !important;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(253, 121, 168, 0.18));
            box-shadow: inset 0 0 0 1px rgba(108, 92, 231, 0.3);
        }

        .nav-cta {
            margin-left: 1rem;
        }

        .btn-brand {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 0.6rem 1.4rem;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.4);
            transition: var(--transition);
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.5);
            color: #fff;
        }

        .btn-outline-brand {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 12px;
            transition: var(--transition);
        }

        .btn-outline-brand:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-small {
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            border-radius: 10px;
        }

        .section {
            padding: var(--spacer) 0;
            position: relative;
        }

        .section-head {
            margin-bottom: 3rem;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.12);
            padding: 0.4rem 1rem;
            border-radius: 100px;
            border: 1px solid rgba(108, 92, 231, 0.25);
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
        }

        .hero-inner {
            min-height: 420px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 4rem 0;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 14, 26, 0.96) 0%, rgba(15, 14, 26, 0.75) 50%, rgba(15, 14, 26, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(108, 92, 231, 0.18);
            border: 1px solid rgba(108, 92, 231, 0.3);
            padding: 0.4rem 1rem;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 1.25rem;
        }

        .hero-content h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .gradient-text {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p.lead {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border-soft);
        }

        .hero-stats .stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .overview-section {
            background: var(--bg-deep);
        }

        .overview-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }

        .overview-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .overview-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .overview-image:hover img {
            transform: scale(1.03);
        }

        .overview-image .image-card {
            position: absolute;
            bottom: 1.5rem;
            left: 1.5rem;
            right: 1.5rem;
            background: rgba(15, 14, 26, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .overview-image .image-card .img-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .overview-image .image-card p {
            font-size: 0.9rem;
            margin: 0;
            color: var(--text-muted);
        }

        .overview-image .image-card strong {
            color: #fff;
            display: block;
            font-size: 1rem;
        }

        .content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .content-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-soft);
        }

        .content-list li:last-child {
            border-bottom: none;
        }

        .content-list li i {
            color: var(--primary-light);
            font-size: 0.9rem;
            margin-top: 0.35rem;
        }

        .content-list li div h5 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 0.25rem;
            color: #fff;
            transition: var(--transition);
        }

        .content-list li div p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
        }

        .content-list li:hover h5 {
            color: var(--primary-light);
        }

        .stats-section {
            background: var(--bg-dark);
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-light);
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 1rem;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(253, 121, 168, 0.2));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }

        .stat-card .stat-value span {
            font-size: 1.2rem;
            color: var(--secondary);
        }

        .stat-card .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        .data-section {
            background: var(--bg-deep);
        }

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

        .data-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.4);
        }

        .data-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .data-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .data-card:hover .data-card-img img {
            transform: scale(1.05);
        }

        .data-card-img .card-tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(15, 14, 26, 0.8);
            backdrop-filter: blur(6px);
            border: 1px solid var(--border-light);
            color: var(--text-light);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 100px;
        }

        .data-card-body {
            padding: 1.6rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .data-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #fff;
            line-height: 1.4;
        }

        .data-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
            flex: 1;
        }

        .data-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid var(--border-soft);
        }

        .data-card-footer .date {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .data-card-footer .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .data-card-footer .read-more:hover {
            color: var(--secondary);
            gap: 0.6rem;
        }

        .trend-section {
            background: var(--bg-dark);
        }

        .trend-list {
            display: grid;
            gap: 1.2rem;
        }

        .trend-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.8rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            transition: var(--transition);
        }

        .trend-item:hover {
            transform: translateX(6px);
            border-color: rgba(108, 92, 231, 0.4);
            box-shadow: var(--shadow-md);
        }

        .trend-item .trend-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--primary-light);
            opacity: 0.5;
            min-width: 3rem;
        }

        .trend-item .trend-content {
            flex: 1;
        }

        .trend-item .trend-content h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.25rem;
        }

        .trend-item .trend-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        .trend-item .trend-value {
            font-size: 1.3rem;
            font-weight: 800;
            padding: 0.4rem 1rem;
            border-radius: 10px;
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary-light);
            white-space: nowrap;
        }

        .trend-item .trend-up {
            background: rgba(46, 213, 115, 0.12);
            color: #2ed573;
        }

        .trend-item .trend-down {
            background: rgba(255, 71, 87, 0.12);
            color: #ff4757;
        }

        .faq-section {
            background: var(--bg-deep);
        }

        .faq-list {
            max-width: 860px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.4);
        }

        .faq-question {
            padding: 1.4rem 1.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            font-size: 1rem;
            color: #fff;
            gap: 1rem;
        }

        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: rgba(108, 92, 231, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--primary-light);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 1.8rem 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-question {
            color: var(--primary-light);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .cta-section {
            background: var(--bg-dark);
        }

        .cta-box {
            background: linear-gradient(135deg, var(--bg-card), #2a2150);
            border: 1px solid rgba(108, 92, 231, 0.3);
            border-radius: var(--radius-lg);
            padding: 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 2rem;
            position: relative;
        }

        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-soft);
            padding: 4rem 0 3rem;
        }

        .site-footer .brand-footer {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #fff;
        }

        .site-footer .brand-footer .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            color: #fff;
            font-size: 1rem;
        }

        .site-footer p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .footer-social {
            display: flex;
            gap: 0.7rem;
            margin-top: 1.2rem;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .site-footer h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li + li {
            margin-top: 0.75rem;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 0.65rem;
            color: var(--primary-light);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border-soft);
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 0.85rem;
            opacity: 0.6;
        }

        @media (max-width: 992px) {
            .navbar-nav {
                margin-left: 0;
                padding-top: 0.8rem;
            }

            .nav-cta {
                margin-left: 0;
                padding-top: 0.8rem;
                padding-bottom: 0.8rem;
            }

            .overview-grid {
                grid-template-columns: 1fr;
            }

            .overview-image img {
                height: 320px;
            }

            .trend-item {
                flex-wrap: wrap;
            }

            .trend-item .trend-num {
                min-width: auto;
                font-size: 1.2rem;
                width: 100%;
            }

            .cta-box {
                padding: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacer: 3.5rem;
            }

            .hero-inner {
                min-height: 380px;
                padding: 3rem 0;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 1.5rem 2rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .stat-card {
                padding: 1.5rem 1rem;
            }

            .trend-item:hover {
                transform: none;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .hero-content p.lead {
                font-size: 0.95rem;
            }

            .hero-stats .stat-item .stat-num {
                font-size: 1.3rem;
            }

            .hero-stats .stat-item .stat-label {
                font-size: 0.78rem;
            }

            .overview-image img {
                height: 260px;
            }

            .overview-image .image-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }

            .cta-box {
                padding: 2rem 1.5rem;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .cta-box p {
                font-size: 0.95rem;
            }

            .navbar-nav .nav-link {
                font-size: 0.9rem;
                padding: 0.5rem 0.75rem !important;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f1d38;
            --primary-2: #182a4d;
            --primary-3: #0b1527;
            --accent: #eab254;
            --accent-2: #f4c670;
            --accent-deep: #c98a2e;
            --bg: #f4f7fb;
            --white: #ffffff;
            --text: #1d2b3e;
            --muted: #6b7a8f;
            --border: #e4eaf2;
            --card-bg: #ffffff;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 12px 32px rgba(15, 29, 56, .08);
            --shadow-hover: 0 18px 42px rgba(15, 29, 56, .14);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--accent-deep);
        }

        img {
            max-width: 100%;
        }

        .container {
            max-width: 1240px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: linear-gradient(120deg, #081426, #0f1d38 60%, #14264b);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            box-shadow: 0 8px 30px rgba(8, 15, 30, .28);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.18rem;
            color: #ffffff !important;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0f1d38;
            border-radius: 10px;
            font-size: 1.05rem;
            box-shadow: 0 6px 14px rgba(234, 178, 84, .3);
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
            margin: 0 auto;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .72) !important;
            font-weight: 500;
            padding: 10px 16px !important;
            border-radius: 10px;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
        }

        .site-header .nav-link i {
            margin-right: 6px;
            opacity: .85;
            font-size: .92rem;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus-visible {
            color: #ffffff !important;
            background: rgba(255, 255, 255, .08);
            transform: translateY(-1px);
        }

        .site-header .nav-link.active {
            color: #0f1d38 !important;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            box-shadow: 0 6px 16px rgba(234, 178, 84, .32);
        }

        .nav-cta {
            margin-left: 16px;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0f1d38 !important;
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 10px 22px;
            box-shadow: 0 8px 20px rgba(234, 178, 84, .28);
            transition: all .25s ease;
        }

        .btn-brand:hover,
        .btn-brand:focus {
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(234, 178, 84, .4);
            color: #0f1d38 !important;
            background: linear-gradient(135deg, var(--accent-2), var(--accent));
        }

        .btn-brand-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 12px;
            padding: 10px 22px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-brand-outline:hover {
            background: rgba(255, 255, 255, .08);
            border-color: var(--accent);
            color: var(--accent);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 10px;
            padding: 8px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 .25rem rgba(234, 178, 84, .28);
        }

        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            background-size: cover;
            background-position: center;
            color: #ffffff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(8, 18, 38, .93) 0%, rgba(15, 29, 56, .8) 55%, rgba(15, 29, 56, .45) 100%);
        }

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

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 18px;
        }

        .breadcrumb-nav a {
            color: var(--accent);
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-2);
        }

        .breadcrumb-nav .breadcrumb-sep {
            opacity: .5;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 880px;
            margin-bottom: 18px;
            text-shadow: 0 4px 18px rgba(0, 0, 0, .25);
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: rgba(255, 255, 255, .85);
            font-size: .95rem;
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .post-meta i {
            color: var(--accent);
        }

        .badge-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: #0f1d38;
            font-weight: 700;
            font-size: .88rem;
            padding: 6px 14px;
            border-radius: 20px;
            box-shadow: 0 4px 12px rgba(234, 178, 84, .25);
        }

        .article-section {
            padding: 70px 0 80px;
        }

        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 38px 42px;
            transition: box-shadow .25s ease;
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-bottom: 22px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 10px;
        }

        .post-date {
            color: var(--muted);
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: #35465c;
            margin-top: 26px;
        }

        .article-content p {
            margin-bottom: 1.35rem;
        }

        .article-content h2,
        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
            font-weight: 700;
        }

        .article-content h2 {
            font-size: 1.55rem;
            border-left: 4px solid var(--accent);
            padding-left: 14px;
        }

        .article-content h3 {
            font-size: 1.25rem;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 22px;
            margin-bottom: 1.3rem;
        }

        .article-content li {
            margin-bottom: .4rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #f8f4ec;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #5b5142;
            margin-bottom: 1.3rem;
        }

        .article-content img {
            border-radius: 14px;
            max-width: 100%;
            margin: 18px 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline dotted;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f0f4fa;
            color: var(--primary-2);
            font-size: .86rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid #dde6ef;
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 22px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
        }

        .article-share span {
            color: var(--muted);
            font-weight: 500;
            margin-right: 4px;
        }

        .share-btn {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f0f4fa;
            color: var(--primary-2);
            border: 1px solid #dde6ef;
            transition: all .2s ease;
        }

        .share-btn:hover {
            background: var(--accent);
            color: #0f1d38;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 26px;
            margin-bottom: 26px;
            transition: box-shadow .25s ease;
        }

        .sidebar-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .sidebar-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--border);
        }

        .sidebar-title i {
            color: var(--accent-deep);
        }

        .sidebar-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-info-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed #e8eef5;
            font-size: .95rem;
        }

        .sidebar-info-list li:last-child {
            border-bottom: none;
        }

        .sidebar-info-label {
            color: var(--muted);
        }

        .sidebar-info-value {
            font-weight: 600;
            color: var(--primary);
            text-align: right;
            max-width: 58%;
        }

        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-list li+li {
            border-top: 1px solid #edf1f7;
        }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px 4px;
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            transition: all .2s ease;
        }

        .sidebar-list a:hover {
            color: var(--accent-deep);
            transform: translateX(4px);
        }

        .sidebar-list a i {
            color: var(--accent-deep);
            font-size: .85rem;
        }

        .sidebar-contact p {
            color: var(--muted);
            font-size: .92rem;
            margin-bottom: 14px;
        }

        .sidebar-contact .btn-brand {
            width: 100%;
            justify-content: center;
        }

        .not-found-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 64px 40px;
            text-align: center;
        }

        .not-found-card i {
            font-size: 3rem;
            color: var(--accent-deep);
            margin-bottom: 18px;
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

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

        .direction-section {
            padding: 80px 0;
            background: linear-gradient(to bottom, var(--bg), #eef2f8);
        }

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

        .section-overline {
            display: inline-block;
            color: var(--accent-deep);
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            font-size: .88rem;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--muted);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .direction-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            height: 100%;
            transition: all .3s ease;
        }

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

        .direction-card .card-img-wrap {
            position: relative;
            display: block;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .direction-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .direction-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 29, 56, .55), transparent 55%);
        }

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

        .direction-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .direction-card p {
            color: var(--muted);
            font-size: .95rem;
            margin-bottom: 16px;
        }

        .direction-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-deep);
            font-weight: 600;
            font-size: .92rem;
        }

        .direction-link:hover {
            color: var(--primary);
        }

        .how-section {
            position: relative;
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #ffffff;
        }

        .how-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(10, 20, 40, .88);
        }

        .how-section .container {
            position: relative;
            z-index: 2;
        }

        .how-section .section-head h2 {
            color: #ffffff;
        }

        .how-section .section-head p {
            color: rgba(255, 255, 255, .75);
        }

        .how-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .how-item {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius);
            padding: 32px 28px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: all .3s ease;
        }

        .how-item:hover {
            background: rgba(255, 255, 255, .14);
            transform: translateY(-4px);
            border-color: rgba(234, 178, 84, .5);
        }

        .how-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #0f1d38;
            border-radius: 18px;
            font-size: 1.5rem;
            box-shadow: 0 10px 22px rgba(234, 178, 84, .3);
        }

        .how-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .how-item p {
            color: rgba(255, 255, 255, .72);
            font-size: .95rem;
            margin: 0;
        }

        .faq-section {
            padding: 80px 0;
        }

        .accordion {
            --bs-accordion-bg: #ffffff;
            --bs-accordion-border-color: var(--border);
            --bs-accordion-btn-color: var(--text);
            --bs-accordion-btn-focus-border-color: var(--accent);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem rgba(234, 178, 84, .25);
            --bs-accordion-active-bg: #fff8ef;
            --bs-accordion-active-color: var(--primary);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .accordion-button {
            font-weight: 600;
            color: var(--primary);
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
            font-size: 1rem;
        }

        .accordion-button:not(.collapsed) {
            background: #fff8ef;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button::after {
            background-size: 1rem;
        }

        .accordion-body {
            padding: 20px 24px;
            color: var(--muted);
            line-height: 1.8;
        }

        .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border);
        }

        .accordion-item:first-child {
            border-top-left-radius: var(--radius);
            border-top-right-radius: var(--radius);
        }

        .accordion-item:last-child {
            border-bottom-left-radius: var(--radius);
            border-bottom-right-radius: var(--radius);
        }

        .cta-section {
            padding: 40px 0 80px;
        }

        .cta-card {
            background: linear-gradient(120deg, #0f1d38, #1b305a);
            border-radius: 26px;
            padding: 52px 54px;
            color: #ffffff;
            box-shadow: 0 20px 50px rgba(15, 29, 56, .3);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(234, 178, 84, .28), transparent 70%);
            top: -80px;
            right: 40px;
        }

        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .75);
            margin-bottom: 0;
        }

        .cta-form {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 18px;
            padding: 20px;
            backdrop-filter: blur(8px);
        }

        .cta-form .form-control {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #ffffff;
            border-radius: 12px;
            padding: 12px 16px;
            font-size: .95rem;
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, .6);
        }

        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, .16);
            border-color: var(--accent);
            box-shadow: 0 0 0 .25rem rgba(234, 178, 84, .25);
            color: #ffffff;
        }

        .cta-form .input-group {
            flex-wrap: nowrap;
            gap: 10px;
        }

        .cta-form .input-group>.form-control {
            border-radius: 12px !important;
        }

        .cta-form .input-group .btn-brand {
            border-radius: 12px;
            white-space: nowrap;
            padding: 10px 20px;
        }

        .form-hint {
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
            margin: 14px 0 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .form-hint i {
            color: var(--accent);
        }

        .site-footer {
            background: #0b1527;
            color: rgba(255, 255, 255, .7);
            padding: 70px 0 30px;
        }

        .site-footer .brand-footer {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 18px;
        }

        .site-footer h4 {
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 34px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .site-footer p {
            font-size: .95rem;
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 10px;
            color: rgba(255, 255, 255, .75);
            transition: all .2s ease;
            font-size: .95rem;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #0f1d38;
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .68);
            font-size: .95rem;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a i {
            font-size: .7rem;
            color: var(--accent);
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 50px;
            padding-top: 26px;
            text-align: center;
            color: rgba(255, 255, 255, .45);
            font-size: .88rem;
        }

        @media (max-width: 991px) {
            .nav-cta {
                margin-left: 0;
                margin-top: 10px;
                padding-bottom: 10px;
            }
            .page-hero {
                padding: 84px 0 64px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .article-section {
                padding: 50px 0 60px;
            }
            .article-card {
                margin-bottom: 30px;
            }
            .how-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 34px 28px;
            }
            .cta-card .row {
                gap: 28px;
            }
            .cta-form .input-group {
                flex-wrap: wrap;
            }
            .cta-form .input-group .form-control {
                width: 100% !important;
            }
        }

        @media (max-width: 767px) {
            .navbar-brand {
                font-size: 1rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
            }
            .page-hero {
                padding: 68px 0 50px;
            }
            .page-hero h1 {
                font-size: 1.65rem;
            }
            .post-meta {
                gap: 10px;
                font-size: .88rem;
            }
            .article-card {
                padding: 26px 20px;
            }
            .article-content {
                font-size: 1rem;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .cta-card {
                border-radius: 20px;
            }
            .cta-card h2 {
                font-size: 1.45rem;
            }
            .footer-bottom {
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: .92rem;
            }
            .site-header .navbar {
                padding: 12px 0;
            }
            .page-hero {
                padding: 56px 0 42px;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .breadcrumb-nav {
                font-size: .84rem;
            }
            .article-meta-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-share {
                flex-wrap: wrap;
            }
            .not-found-card {
                padding: 44px 22px;
            }
            .how-grid {
                gap: 18px;
            }
            .how-item {
                padding: 26px 20px;
            }
            .cta-section {
                padding: 24px 0 60px;
            }
            .cta-form .input-group {
                gap: 8px;
                flex-wrap: wrap;
            }
            .cta-form .input-group .form-control {
                width: 100% !important;
                border-radius: 12px !important;
            }
            .cta-form .input-group .btn-brand {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --kp-primary: #0a7cff;
            --kp-primary-light: #5b9dff;
            --kp-accent: #ffb62e;
            --kp-accent-light: #ffce70;
            --kp-dark: #0c1428;
            --kp-dark-2: #101d38;
            --kp-bg: #f2f6fc;
            --kp-surface: #ffffff;
            --kp-border: #e3eaf3;
            --kp-text: #1a2639;
            --kp-muted: #5e6f88;
            --kp-radius-lg: 24px;
            --kp-radius-md: 16px;
            --kp-radius-sm: 10px;
            --kp-shadow-sm: 0 6px 20px rgba(12, 20, 40, .06);
            --kp-shadow-md: 0 16px 40px rgba(12, 20, 40, .10);
            --kp-shadow-lg: 0 24px 60px rgba(10, 124, 255, .14);
            --kp-font: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--kp-font);
            background: var(--kp-bg);
            color: var(--kp-text);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

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

        .container {
            max-width: 1240px;
        }

        /* ===== 按钮组件 ===== */
        .btn {
            border-radius: 999px;
            font-weight: 600;
            letter-spacing: .2px;
            transition: all .25s ease;
        }

        .btn-brand {
            background: var(--kp-accent);
            color: var(--kp-dark);
            border: none;
            padding: .6rem 1.5rem;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(255, 182, 46, .28);
        }

        .btn-brand:hover {
            background: var(--kp-accent-light);
            color: var(--kp-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 182, 46, .35);
        }

        .btn-brand:focus-visible {
            outline: 3px solid rgba(255, 182, 46, .5);
            outline-offset: 2px;
        }

        .btn-outline-brand {
            border: 1px solid rgba(255, 255, 255, .45);
            color: #fff;
            padding: .6rem 1.5rem;
        }

        .btn-outline-brand:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-dark {
            border: 1px solid var(--kp-primary);
            color: var(--kp-primary);
            padding: .6rem 1.5rem;
            background: transparent;
        }

        .btn-outline-dark:hover {
            background: var(--kp-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(10, 124, 255, .25);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: relative;
            z-index: 1050;
            background: linear-gradient(180deg, rgba(7, 14, 28, .97), rgba(7, 14, 28, .85));
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            backdrop-filter: blur(12px);
        }

        .site-header .navbar {
            padding-top: .7rem;
            padding-bottom: .7rem;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: .6rem;
            color: #fff;
            font-weight: 800;
            font-size: 1.18rem;
            letter-spacing: .3px;
        }

        .site-header .navbar-brand:hover {
            color: var(--kp-accent);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--kp-primary), #4a9eff);
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 18px rgba(10, 124, 255, .35);
        }

        .navbar-nav {
            gap: .2rem;
            margin-left: .5rem;
        }

        .nav-item .nav-link {
            color: rgba(255, 255, 255, .82);
            font-weight: 500;
            padding: .55rem 1rem;
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: .4rem;
            transition: all .25s ease;
            font-size: .95rem;
        }

        .nav-item .nav-link i {
            font-size: .9rem;
            color: rgba(255, 255, 255, .55);
            transition: color .25s ease;
        }

        .nav-item .nav-link:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-item .nav-link:hover i {
            color: var(--kp-accent);
        }

        .nav-item .nav-link.active {
            background: linear-gradient(135deg, var(--kp-primary), #3b8eff);
            color: #fff;
            box-shadow: 0 8px 20px rgba(10, 124, 255, .35);
        }

        .nav-item .nav-link.active i {
            color: #fff;
        }

        .nav-cta {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: .5rem;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(10, 124, 255, .4);
        }

        /* ===== 页面横幅 ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(10, 20, 42, .92), rgba(16, 29, 56, .86)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 6.5rem 0 4.5rem;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            right: -140px;
            top: -120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(10, 124, 255, .5), transparent 65%);
            pointer-events: none;
        }

        .page-hero .kicker-badge {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .4rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .4px;
            color: #fff;
            backdrop-filter: blur(6px);
        }

        .page-hero h1 {
            font-size: clamp(2.1rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-top: 1.2rem;
            max-width: 760px;
        }

        .page-hero h1 .grad {
            background: linear-gradient(90deg, var(--kp-accent), #fff3d6);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .page-hero .lead {
            color: rgba(255, 255, 255, .8);
            max-width: 720px;
            margin-top: 1.2rem;
            font-size: 1.05rem;
        }

        .page-hero-actions {
            margin-top: 2.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: .9rem;
        }

        .page-hero .hero-info-row {
            margin-top: 3rem;
            padding-top: 1.8rem;
            border-top: 1px solid rgba(255, 255, 255, .15);
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .hero-info-item {
            display: flex;
            align-items: center;
            gap: .9rem;
        }

        .hero-info-item .iconbox {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, .12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kp-accent);
            font-size: 1rem;
        }

        .hero-info-item small {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: .78rem;
        }

        .hero-info-item strong {
            font-size: .95rem;
            color: #fff;
        }

        /* ===== 分类内页通用板块 ===== */
        .section-block {
            padding: 5rem 0;
        }

        .section-block.bg-white {
            background: var(--kp-surface);
        }

        .section-block.bg-soft {
            background: var(--kp-bg);
        }

        .section-head {
            margin-bottom: 2.8rem;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(10, 124, 255, .1);
            color: var(--kp-primary);
            font-weight: 700;
            font-size: .82rem;
            padding: .35rem 1rem;
            border-radius: 999px;
            letter-spacing: .4px;
            margin-bottom: .9rem;
        }

        .section-head h2 {
            font-size: clamp(1.7rem, 2.6vw, 2.4rem);
            font-weight: 800;
            margin-bottom: .6rem;
            color: var(--kp-dark);
        }

        .section-head p {
            color: var(--kp-muted);
            max-width: 640px;
            margin-bottom: 0;
            font-size: 1rem;
        }

        /* ===== 玩法总览卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .guide-card {
            background: var(--kp-surface);
            border: 1px solid var(--kp-border);
            border-radius: var(--kp-radius-md);
            padding: 1.8rem 1.4rem;
            box-shadow: var(--kp-shadow-sm);
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .guide-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(10, 124, 255, .12), transparent 70%);
            border-radius: 50%;
            transition: all .4s ease;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--kp-shadow-md);
            border-color: rgba(10, 124, 255, .3);
        }

        .guide-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(10, 124, 255, .12), rgba(10, 124, 255, .04));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kp-primary);
            font-size: 1.2rem;
            margin-bottom: 1.1rem;
        }

        .guide-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: .5rem;
        }

        .guide-card p {
            font-size: .92rem;
            color: var(--kp-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 深色模式详解 ===== */
        .modes-section {
            background: linear-gradient(135deg, #0b1428, #0f1d3a);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .modes-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(10, 124, 255, .4), transparent 65%);
            left: -160px;
            top: -80px;
        }

        .modes-section .section-head h2 {
            color: #fff;
        }

        .modes-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }

        .mode-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .mode-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--kp-radius-md);
            padding: 2.2rem 1.6rem;
            backdrop-filter: blur(6px);
            transition: all .3s ease;
        }

        .mode-card:hover {
            background: rgba(255, 255, 255, .10);
            border-color: rgba(255, 182, 46, .4);
            transform: translateY(-5px);
        }

        .mode-card .mode-num {
            font-size: .8rem;
            color: var(--kp-accent);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: .8rem;
            display: inline-block;
            background: rgba(255, 182, 46, .15);
            padding: .25rem .8rem;
            border-radius: 999px;
        }

        .mode-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: .7rem;
        }

        .mode-card p {
            color: rgba(255, 255, 255, .68);
            font-size: .93rem;
            margin-bottom: 1rem;
        }

        .mode-card .mode-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mode-card .mode-list li {
            display: flex;
            align-items: flex-start;
            gap: .5rem;
            color: rgba(255, 255, 255, .75);
            font-size: .88rem;
            margin-bottom: .4rem;
        }

        .mode-card .mode-list i {
            color: var(--kp-accent);
            margin-top: .3rem;
        }

        /* ===== 新手起步 ===== */
        .step-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .step-card {
            background: var(--kp-surface);
            border: 1px solid var(--kp-border);
            border-radius: var(--kp-radius-md);
            padding: 2rem 1.4rem;
            text-align: center;
            box-shadow: var(--kp-shadow-sm);
            position: relative;
            transition: all .3s ease;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--kp-shadow-md);
        }

        .step-card .step-dot {
            width: 60px;
            height: 60px;
            margin: 0 auto 1rem;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--kp-primary), #4f9cff);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            box-shadow: 0 10px 24px rgba(10, 124, 255, .3);
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: .5rem;
        }

        .step-card p {
            font-size: .88rem;
            color: var(--kp-muted);
            margin: 0;
        }

        /* ===== 攻略文章卡片 ===== */
        .article-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .article-card {
            background: var(--kp-surface);
            border: 1px solid var(--kp-border);
            border-radius: var(--kp-radius-md);
            overflow: hidden;
            box-shadow: var(--kp-shadow-sm);
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
        }

        .article-card:hover {
            box-shadow: var(--kp-shadow-md);
            transform: translateY(-5px);
            border-color: rgba(10, 124, 255, .25);
        }

        .article-card .thumb {
            height: 220px;
            overflow: hidden;
            position: relative;
            background: var(--kp-dark);
        }

        .article-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .article-card:hover .thumb img {
            transform: scale(1.05);
        }

        .article-card .thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(7, 14, 28, .65));
        }

        .article-card .tag-badge {
            position: absolute;
            left: 1rem;
            top: 1rem;
            z-index: 2;
            background: rgba(255, 182, 46, .95);
            color: var(--kp-dark);
            font-size: .75rem;
            font-weight: 700;
            padding: .3rem .8rem;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
        }

        .article-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: .5rem;
            line-height: 1.5;
        }

        .article-card p.meta {
            font-size: .8rem;
            color: var(--kp-muted);
            display: flex;
            align-items: center;
            gap: .8rem;
            margin-bottom: .7rem;
        }

        .article-card p.desc {
            font-size: .9rem;
            color: var(--kp-muted);
            margin-bottom: 1rem;
            flex: 1;
        }

        .article-card .card-link {
            color: var(--kp-primary);
            font-weight: 600;
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .article-card .card-link i {
            transition: transform .25s ease;
        }

        .article-card .card-link:hover {
            color: var(--kp-dark);
        }

        .article-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 技巧速览 ===== */
        .tips-section {
            background: linear-gradient(135deg, rgba(10, 20, 42, .93), rgba(16, 29, 56, .88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
        }

        .tips-section .section-head h2 {
            color: #fff;
        }

        .tips-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
        }

        .tip-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--kp-radius-md);
            padding: 1.3rem 1.4rem;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            transition: all .3s ease;
        }

        .tip-item:hover {
            background: rgba(255, 255, 255, .12);
            border-color: var(--kp-accent);
            transform: translateY(-3px);
        }

        .tip-item .tip-ico {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            border-radius: 12px;
            background: rgba(255, 182, 46, .18);
            color: var(--kp-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
        }

        .tip-item p {
            margin: 0;
            font-size: .92rem;
            color: rgba(255, 255, 255, .82);
        }

        .tip-item strong {
            display: block;
            color: #fff;
            margin-bottom: .2rem;
            font-weight: 700;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--kp-surface);
            border: 1px solid var(--kp-border);
            border-radius: var(--kp-radius-md);
            padding: 1.4rem 1.6rem;
            margin-bottom: 1rem;
            box-shadow: var(--kp-shadow-sm);
            transition: all .25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--kp-shadow-md);
            border-color: rgba(10, 124, 255, .2);
        }

        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: .6rem;
            display: flex;
            align-items: flex-start;
            gap: .6rem;
        }

        .faq-item h4 i {
            color: var(--kp-primary);
            margin-top: .15rem;
        }

        .faq-item p {
            margin: 0;
            padding-left: 1.8rem;
            color: var(--kp-muted);
            font-size: .92rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(7, 14, 28, .94), rgba(10, 32, 64, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            padding: 5rem 0;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            margin-bottom: .8rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        .cta-section .btn-group-custom {
            display: flex;
            gap: .9rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0a1122;
            color: rgba(255, 255, 255, .72);
            padding: 4.5rem 0 2rem;
            border-top: 3px solid rgba(10, 124, 255, .5);
        }

        .site-footer .brand-footer {
            display: flex;
            align-items: center;
            gap: .6rem;
            color: #fff;
            font-weight: 800;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .site-footer p {
            font-size: .9rem;
            max-width: 360px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: .7rem;
            margin-top: 1.2rem;
        }

        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: all .3s ease;
            font-size: .9rem;
        }

        .site-footer .footer-social a:hover {
            background: var(--kp-primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: .6rem;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            transition: all .25s ease;
        }

        .site-footer .footer-links a i {
            font-size: .7rem;
            color: var(--kp-accent);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 3rem;
            padding-top: 1.8rem;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
            max-width: none;
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .site-header .navbar-collapse {
                background: var(--kp-dark-2);
                border-radius: 16px;
                padding: 1rem;
                margin-top: .8rem;
                box-shadow: 0 20px 50px rgba(0, 0, 0, .4);
            }

            .navbar-nav {
                margin-left: 0;
            }

            .nav-cta {
                margin-left: 0;
                margin-top: .8rem;
            }

            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .mode-cards {
                grid-template-columns: 1fr;
            }

            .step-wrap {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-cards {
                grid-template-columns: 1fr;
            }

            .page-hero {
                padding: 4.5rem 0 3.5rem;
            }
        }

        @media (max-width: 767px) {
            .section-block {
                padding: 3.5rem 0;
            }

            .page-hero {
                padding: 3.5rem 0 3rem;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .guide-grid {
                grid-template-columns: 1fr;
            }

            .step-wrap {
                grid-template-columns: 1fr;
            }

            .tips-grid {
                grid-template-columns: 1fr;
            }

            .hero-info-row {
                flex-direction: column;
                gap: 1rem;
            }

            .site-footer {
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .section-head h2 {
                font-size: 1.5rem;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero-actions .btn {
                width: 100%;
            }

            .cta-section .btn-group-custom .btn {
                width: 100%;
            }

            .article-card .thumb {
                height: 180px;
            }

            .faq-item {
                padding: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0e1b2c;
            --primary-light: #16283c;
            --primary-lighter: #1f3650;
            --accent: #6c63ff;
            --accent-rgb: 108, 99, 255;
            --accent-light: #8f88ff;
            --gold: #f5b942;
            --gold-rgb: 245, 185, 66;
            --bg: #f4f6fb;
            --bg-deep: #eaeef6;
            --white: #ffffff;
            --text: #1c2540;
            --text-muted: #5c6b85;
            --border: #e3e8f0;
            --shadow-sm: 0 4px 16px rgba(14, 27, 44, 0.06);
            --shadow: 0 12px 36px rgba(14, 27, 44, 0.08);
            --shadow-hover: 0 18px 48px rgba(14, 27, 44, 0.14);
            --radius: 20px;
            --radius-sm: 12px;
            --radius-lg: 30px;
            --transition: all 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent-light);
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 100px 0;
        }

        .section-head {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--accent-rgb), 0.1);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
            border: 1px solid rgba(var(--accent-rgb), 0.16);
        }

        .section-head h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-head p {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: 12px;
            font-weight: 600;
            padding: 12px 28px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 2px solid transparent;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .btn-brand {
            background: linear-gradient(135deg, var(--accent), #5a52e0);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.35);
        }

        .btn-brand:hover {
            background: linear-gradient(135deg, #5a52e0, #4a42d0);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(var(--accent-rgb), 0.45);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--gold), #e8a934);
            color: var(--primary);
            border-color: transparent;
            box-shadow: 0 8px 24px rgba(var(--gold-rgb), 0.35);
        }

        .btn-accent:hover {
            background: linear-gradient(135deg, #e8a934, #d9942a);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(var(--gold-rgb), 0.45);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

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

        .btn:focus,
        .btn:active {
            outline: none;
            box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.2);
        }

        /* ===== Header Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: linear-gradient(135deg, #0a1424 0%, var(--primary) 50%, var(--primary-light) 100%);
            box-shadow: 0 8px 32px rgba(10, 20, 36, 0.35);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .navbar {
            padding: 16px 0;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 8px 18px;
            border-radius: 14px;
            transition: var(--transition);
        }

        .site-header .navbar-brand:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 12px;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.4);
        }

        .site-header .navbar-nav {
            gap: 4px;
            margin: 0 auto;
        }

        .site-header .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.72);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 10px 18px;
            border-radius: 12px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .site-header .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .site-header .nav-link.active {
            color: #fff;
            background: rgba(var(--accent-rgb), 0.25);
            border-color: rgba(var(--accent-rgb), 0.35);
            box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.2);
        }

        .site-header .nav-link i {
            font-size: 0.9rem;
            opacity: 0.85;
        }

        .site-header .nav-cta {
            margin-left: 16px;
        }

        .site-header .btn-brand {
            padding: 8px 20px;
            font-size: 0.88rem;
            border-radius: 12px;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border: 1px solid rgba(255, 255, 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='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(145deg, #0a1424 0%, var(--primary) 45%, var(--primary-light) 100%);
            overflow: hidden;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.3), transparent 65%);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(var(--gold-rgb), 0.2), transparent 60%);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-content {
            max-width: 700px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--gold);
            font-size: 0.88rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 span {
            color: var(--gold);
        }

        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Stats Overview ===== */
        .stats-overview {
            background: var(--bg);
            position: relative;
        }

        .stats-overview .row {
            margin-top: 0;
        }

        .stat-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px 32px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            opacity: 0;
            transition: var(--transition);
        }

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

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-icon {
            width: 68px;
            height: 68px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.12), rgba(var(--gold-rgb), 0.12));
            color: var(--accent);
            border: 1px solid rgba(var(--accent-rgb), 0.12);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .stat-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Data Categories ===== */
        .data-categories {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .data-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(var(--accent-rgb), 0.2);
        }

        .data-card-img {
            position: relative;
            overflow: hidden;
            height: 220px;
        }

        .data-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .data-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 27, 44, 0.3) 100%);
        }

        .data-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .data-card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .data-card-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 20px;
        }

        .data-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .data-card-tags .badge {
            background: rgba(var(--accent-rgb), 0.1);
            color: var(--accent);
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 0.82rem;
            border: 1px solid rgba(var(--accent-rgb), 0.15);
        }

        .data-card-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .data-card-link:hover {
            gap: 10px;
            color: var(--primary);
        }

        /* ===== Reports ===== */
        .data-reports {
            background: var(--bg);
        }

        .report-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .report-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--white);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .report-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow);
            border-color: rgba(var(--accent-rgb), 0.18);
        }

        .report-thumb {
            width: 160px;
            height: 112px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }

        .report-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .report-item:hover .report-thumb img {
            transform: scale(1.05);
        }

        .report-content {
            flex: 1;
            min-width: 0;
        }

        .report-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .report-tag {
            background: rgba(var(--accent-rgb), 0.1);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            border: 1px solid rgba(var(--accent-rgb), 0.15);
        }

        .report-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .report-content h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .report-item:hover .report-content h3 {
            color: var(--accent);
        }

        .report-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Process ===== */
        .data-process {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .process-step {
            text-align: center;
            padding: 40px 24px;
            position: relative;
            height: 100%;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            background: var(--white);
        }

        .process-icon {
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(14, 27, 44, 0.2);
            position: relative;
        }

        .process-num {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), #e8a934);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(var(--gold-rgb), 0.3);
        }

        .process-step h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .process-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 1.4rem;
            z-index: 2;
            background: var(--bg);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--white);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(var(--accent-rgb), 0.2);
        }

        .faq-item .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            padding: 20px 28px;
            background: var(--white);
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: rgba(var(--accent-rgb), 0.04);
            color: var(--accent);
        }

        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(var(--accent-rgb), 0.2);
        }

        .faq-item .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236c63ff'%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: var(--transition);
        }

        .faq-item .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            background: var(--white);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(145deg, #0a1424, var(--primary), var(--primary-light));
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.3), transparent 60%);
            border-radius: 50%;
        }

        .cta-box {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1424;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .site-footer .brand-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }

        .site-footer h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 36px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold);
            padding-left: 6px;
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 0;
            }

            .hero-content h1 {
                font-size: 2.5rem;
            }

            .section-head h2 {
                font-size: 2rem;
            }

            .process-arrow {
                display: none;
            }

            .site-header .nav-cta {
                margin-left: 0;
                margin-top: 8px;
            }

            .site-header .navbar-collapse {
                padding-top: 12px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 60px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 1.7rem;
            }

            .page-hero {
                padding: 80px 0 60px;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-content p {
                font-size: 1rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .report-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }

            .report-thumb {
                width: 100%;
                height: 180px;
            }

            .stat-card {
                padding: 30px 20px;
            }

            .process-step {
                padding: 28px 16px;
                margin-bottom: 20px;
            }

            .process-arrow {
                display: none;
            }

            .cta-box h2 {
                font-size: 1.8rem;
            }

            .site-header .navbar-brand {
                font-size: 1.1rem;
                padding: 6px 12px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .site-footer {
                padding-top: 50px;
            }

            .site-footer .row > div {
                margin-bottom: 30px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 1.45rem;
            }

            .section-head p {
                font-size: 0.95rem;
            }

            .hero-content h1 {
                font-size: 1.6rem;
            }

            .hero-content p {
                font-size: 0.92rem;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .data-card-img {
                height: 180px;
            }

            .report-thumb {
                height: 150px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

            .cta-box p {
                font-size: 0.95rem;
            }

            .site-header .navbar-brand {
                font-size: 0.95rem;
                padding: 6px 10px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 9px;
            }

            .site-header .btn-brand {
                font-size: 0.82rem;
                padding: 6px 14px;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }