/* roulang page: index */
:root {
            --mk-primary: #1F5EFF;
            --mk-primary-dark: #1747c9;
            --mk-primary-light: #E8EEFF;
            --mk-accent: #00A3FF;
            --mk-accent-teal: #00C2A8;
            --mk-bg: #F7F9FC;
            --mk-card: #FFFFFF;
            --mk-text: #14213D;
            --mk-text-secondary: #5A6B85;
            --mk-text-muted: #7D8CA3;
            --mk-border: #E3E9F2;
            --mk-radius-card: 14px;
            --mk-radius-btn: 10px;
            --mk-radius-input: 8px;
            --mk-shadow-sm: 0 6px 24px rgba(20,33,61,.06);
            --mk-shadow-md: 0 12px 32px rgba(20,33,61,.12);
            --mk-shadow-lg: 0 20px 48px rgba(20,33,61,.15);
            --mk-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
            --mk-transition: all .25s cubic-bezier(.4,0,.2,1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--mk-font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 78px;
            overflow-x: hidden;
        }

        @media (min-width: 992px) {
            body {
                padding-bottom: 0;
            }
        }

        a {
            color: var(--mk-primary);
            text-decoration: none;
            transition: var(--mk-transition);
        }
        a:hover {
            color: var(--mk-primary-dark);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--mk-text);
        }

        .container {
            max-width: 1200px;
        }

        /* ========== Header / Navbar ========== */
        .mk-navbar {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--mk-border);
            padding-top: 14px;
            padding-bottom: 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--mk-transition);
        }
        .mk-navbar.scrolled {
            box-shadow: 0 8px 28px rgba(20,33,61,.08);
            border-bottom-color: transparent;
        }
        .mk-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--mk-text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .mk-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--mk-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mk-navbar .brand-icon i {
            font-size: 1.1rem;
        }
        .mk-navbar .navbar-brand:hover {
            color: var(--mk-primary);
        }
        .mk-navbar .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.3rem;
            color: var(--mk-text);
            background: var(--mk-bg);
            border-radius: 8px;
        }
        .mk-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
        }
        .mk-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-navbar .nav-link:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active {
            color: var(--mk-primary);
            font-weight: 600;
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        .mk-navbar .navbar-nav {
            gap: 4px;
        }

        /* ========== Mobile Bottom Tab ========== */
        .mk-bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--mk-border);
            box-shadow: 0 -4px 20px rgba(20,33,61,.08);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mk-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--mk-transition);
            flex: 1;
            max-width: 90px;
            text-align: center;
            line-height: 1.3;
            min-height: 48px;
            justify-content: center;
        }
        .mk-bottom-tab a i {
            font-size: 1.15rem;
        }
        .mk-bottom-tab a.active {
            color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-bottom-tab a:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        @media (min-width: 992px) {
            .mk-bottom-tab {
                display: none;
            }
        }

        /* ========== Hero ========== */
        .mk-hero {
            position: relative;
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 35%, #F7F9FC 100%);
            padding: 72px 0 64px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .mk-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
            mask-image: linear-gradient(to left, rgba(0,0,0,.5), transparent 70%);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,.5), transparent 70%);
        }
        .mk-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(31,94,255,.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .mk-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .mk-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--mk-border);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--mk-primary);
            box-shadow: var(--mk-shadow-sm);
            margin-bottom: 20px;
        }
        .mk-hero .hero-badge .dot {
            width: 7px;
            height: 7px;
            background: var(--mk-accent-teal);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: .5; transform: scale(1.5); }
        }
        .mk-hero h1 {
            font-size: clamp(1.4rem, 3.2vw, 2.2rem);
            font-weight: 700;
            color: var(--mk-text);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .mk-hero .hero-brand {
            font-size: clamp(2.4rem, 5.5vw, 3.6rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.1;
            color: var(--mk-text);
            margin-bottom: 16px;
            display: block;
        }
        .mk-hero .hero-brand span {
            color: var(--mk-primary);
        }
        .mk-hero .hero-subtitle {
            font-size: clamp(1rem, 1.6vw, 1.18rem);
            color: var(--mk-text-secondary);
            max-width: 640px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .mk-hero .hero-reward-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 22px;
        }
        .mk-hero .reward-chip {
            background: #fff;
            border: 1px solid var(--mk-border);
            border-radius: 10px;
            padding: 8px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--mk-text);
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-hero .reward-chip i {
            color: var(--mk-accent-teal);
            font-size: 0.9rem;
        }
        .mk-hero .progress-wrap {
            max-width: 520px;
            margin-bottom: 24px;
        }
        .mk-hero .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--mk-text-secondary);
            margin-bottom: 6px;
        }
        .mk-hero .progress {
            height: 10px;
            border-radius: 6px;
            background: #E4EAF3;
            box-shadow: inset 0 1px 3px rgba(0,0,0,.04);
        }
        .mk-hero .progress-bar {
            background: linear-gradient(90deg, var(--mk-primary), var(--mk-accent));
            border-radius: 6px;
        }
        .mk-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .mk-hero .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 8px;
        }
        .mk-hero .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .mk-hero .hero-data-item .num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--mk-text);
            letter-spacing: -0.01em;
            font-variant-numeric: tabular-nums;
        }
        .mk-hero .hero-data-item .lbl {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
            font-weight: 500;
        }

        /* ========== Buttons ========== */
        .btn-mk {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--mk-radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--mk-transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0;
            white-space: nowrap;
        }
        .btn-mk-primary {
            background: var(--mk-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(31,94,255,.25);
        }
        .btn-mk-primary:hover {
            background: var(--mk-primary-dark);
            color: #fff;
            box-shadow: 0 12px 28px rgba(31,94,255,.35);
            transform: translateY(-1px);
        }
        .btn-mk-primary:active {
            transform: translateY(0);
        }
        .btn-mk-outline {
            background: #fff;
            color: var(--mk-primary);
            border: 1.5px solid var(--mk-primary);
            box-shadow: none;
        }
        .btn-mk-outline:hover {
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            border-color: var(--mk-primary);
        }
        .btn-mk-ghost {
            background: transparent;
            color: var(--mk-text);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
        }
        .btn-mk-ghost:hover {
            background: #fff;
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            box-shadow: var(--mk-shadow-md);
        }
        .btn-mk-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        .btn-mk:focus-visible {
            outline: 3px solid rgba(31,94,255,.3);
            outline-offset: 2px;
        }

        /* ========== Sections ========== */
        .mk-section {
            padding: 72px 0;
        }
        @media (max-width: 767.98px) {
            .mk-section {
                padding: 48px 0;
            }
        }
        .mk-section-alt {
            background: #fff;
        }
        .mk-section-tag {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--mk-primary);
            margin-bottom: 8px;
            display: block;
        }
        .mk-section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }
        .mk-section-desc {
            font-size: 1rem;
            color: var(--mk-text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        /* ========== Data Cards / 指标看板 ========== */
        .mk-metric-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 991.98px) {
            .mk-metric-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .mk-metric-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                overflow-x: auto;
                padding-bottom: 8px;
            }
            .mk-metric-board .metric-card {
                min-width: 140px;
            }
        }
        .metric-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            padding: 22px 20px;
            box-shadow: var(--mk-shadow-sm);
            border-top: 2px solid var(--mk-primary);
            transition: var(--mk-transition);
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .metric-card .metric-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            font-size: 1rem;
            margin-bottom: 12px;
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--mk-text);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-card .metric-unit {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-text-secondary);
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            margin-top: 6px;
        }
        .metric-card .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            border-radius: 6px;
            padding: 3px 8px;
        }
        .metric-change.up {
            color: #0D9E6D;
            background: #E8F8F1;
        }
        .metric-change.down {
            color: #D64545;
            background: #FEF0F0;
        }
        .metric-change i {
            font-size: 0.7rem;
        }

        /* ========== Deep Content ========== */
        .mk-deep-content {
            background: #fff;
            border-radius: var(--mk-radius-card);
            padding: 36px 32px;
            box-shadow: var(--mk-shadow-sm);
            border-left: 4px solid var(--mk-primary);
        }
        .mk-deep-content p {
            color: var(--mk-text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
            font-size: 0.98rem;
        }
        .mk-deep-content p:last-child {
            margin-bottom: 0;
        }
        .mk-deep-content h3 {
            font-size: 1.3rem;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        /* ========== Service Matrix ========== */
        .mk-service-layout {
            display: grid;
            grid-template-columns: 1fr 1.8fr;
            gap: 32px;
        }
        @media (max-width: 991.98px) {
            .mk-service-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .mk-service-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .mk-service-left h3 {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .mk-service-left p {
            color: var(--mk-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .mk-service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 575.98px) {
            .mk-service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .svc-card {
            background: #fff;
            border-radius: var(--mk-radius-card);
            padding: 24px 20px;
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
            border: 1px solid var(--mk-border);
            position: relative;
        }
        .svc-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-2px);
            border-color: rgba(31,94,255,.25);
        }
        .svc-card .svc-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            font-size: 1.15rem;
            margin-bottom: 12px;
        }
        .svc-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .svc-card p {
            font-size: 0.88rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .svc-card .svc-data {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--mk-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .svc-card.wide {
            grid-column: span 2;
        }
        @media (max-width: 575.98px) {
            .svc-card.wide {
                grid-column: span 1;
            }
        }

        /* ========== Comparison ========== */
        .mk-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .mk-compare {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }
        .compare-panel {
            background: #fff;
            border-radius: var(--mk-radius-card);
            padding: 28px 24px;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
        }
        .compare-panel.best {
            border: 1.5px solid var(--mk-primary);
            box-shadow: 0 12px 36px rgba(31,94,255,.12);
            position: relative;
        }
        .compare-panel.best::before {
            content: 'MK体育数据驱动';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--mk-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0;
        }
        .compare-panel h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--mk-text);
        }
        .compare-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px dashed var(--mk-border);
        }
        .compare-item:last-child {
            border-bottom: none;
        }
        .compare-item .ci-label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--mk-text-secondary);
        }
        .compare-item .ci-value {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--mk-text);
            font-variant-numeric: tabular-nums;
        }
        .compare-item .ci-value.better {
            color: var(--mk-accent-teal);
        }
        .compare-item .ci-value.worse {
            color: #D64545;
        }
        .compare-note {
            font-size: 0.85rem;
            color: var(--mk-text-muted);
            margin-top: 12px;
            line-height: 1.6;
        }

        /* ========== Brand Intro ========== */
        .mk-brand-intro {
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 50%, #F7F9FC 100%);
            border-radius: var(--mk-radius-card);
            padding: 32px 28px;
            border: 1px solid rgba(31,94,255,.1);
        }
        .mk-brand-intro h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 800;
        }
        .mk-brand-intro p {
            color: var(--mk-text-secondary);
            line-height: 1.85;
            font-size: 0.95rem;
            margin-bottom: 8px;
        }

        /* ========== News ========== */
        .mk-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 991.98px) {
            .mk-news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 575.98px) {
            .mk-news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .news-card {
            background: #fff;
            border-radius: var(--mk-radius-card);
            overflow: hidden;
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
            border: 1px solid var(--mk-border);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .news-card .news-img {
            aspect-ratio: 4/3;
            object-fit: cover;
            background: #E8EFFF;
            width: 100%;
        }
        .news-card .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--mk-text-muted);
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .news-card .news-title {
            font-size: 1.03rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--mk-text);
        }
        .news-card .news-excerpt {
            font-size: 0.87rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .news-card .btn-read {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
            padding: 0;
            border: none;
            background: none;
            cursor: pointer;
        }
        .news-card .btn-read:hover {
            color: var(--mk-primary-dark);
        }

        /* ========== Invite Progress & Leaderboard ========== */
        .mk-invite-wrap {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
        }
        @media (max-width: 991.98px) {
            .mk-invite-wrap {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }
        .mk-invite-progress {
            background: #fff;
            border-radius: var(--mk-radius-card);
            padding: 28px 24px;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
        }
        .mk-invite-progress h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .invite-step {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 14px;
        }
        .invite-step .step-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .invite-step .step-dot.done {
            background: var(--mk-accent-teal);
            color: #fff;
        }
        .invite-step .step-info h5 {
            font-size: 0.93rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .invite-step .step-info p {
            font-size: 0.83rem;
            color: var(--mk-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .mk-leaderboard {
            background: #fff;
            border-radius: var(--mk-radius-card);
            padding: 28px 24px;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
        }
        .mk-leaderboard h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .leader-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .leader-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--mk-border);
            font-size: 0.9rem;
        }
        .leader-list li:last-child {
            border-bottom: none;
        }
        .leader-rank {
            width: 26px;
            height: 26px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            font-weight: 700;
            background: var(--mk-bg);
            color: var(--mk-text-secondary);
            flex-shrink: 0;
        }
        .leader-rank.top1 {
            background: #FFF3D6;
            color: #D48806;
        }
        .leader-rank.top2 {
            background: #EFF3FA;
            color: #5A6B85;
        }
        .leader-rank.top3 {
            background: #FDEBD3;
            color: #B85C1E;
        }

        /* ========== FAQ ========== */
        .mk-faq-accordion .accordion-item {
            border: none;
            margin-bottom: 12px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--mk-shadow-sm);
            background: #fff;
            border-left: 4px solid var(--mk-primary);
        }
        .mk-faq-accordion .accordion-button {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--mk-text);
            padding: 18px 20px;
            background: #fff;
            border: none;
            box-shadow: none;
            position: relative;
            letter-spacing: 0;
        }
        .mk-faq-accordion .accordion-button:not(.collapsed) {
            background: #F0F5FF;
            color: var(--mk-primary);
            box-shadow: none;
        }
        .mk-faq-accordion .accordion-button::after {
            content: '+';
            background: none;
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--mk-primary);
            transform: none;
        }
        .mk-faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            background: none;
            transform: none;
        }
        .mk-faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
            border-color: transparent;
        }
        .mk-faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            padding: 18px 20px;
            background: #fff;
        }

        /* ========== CTA Form ========== */
        .mk-cta-card {
            background: #fff;
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            min-height: 400px;
        }
        @media (max-width: 991.98px) {
            .mk-cta-card {
                grid-template-columns: 1fr;
            }
        }
        .mk-cta-left {
            background: linear-gradient(135deg, var(--mk-primary-light) 0%, #F0F5FF 50%, #E8EFFF 100%);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .mk-cta-left h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .mk-cta-left p {
            color: var(--mk-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .mk-cta-left .cta-points {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }
        .mk-cta-left .cta-points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--mk-text);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .mk-cta-left .cta-points i {
            color: var(--mk-accent-teal);
            font-size: 1rem;
        }
        .mk-cta-right {
            padding: 32px 28px;
        }
        .mk-cta-right .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-text);
        }
        .mk-cta-right .form-control, .mk-cta-right .form-select {
            border: 1.5px solid var(--mk-border);
            border-radius: var(--mk-radius-input);
            padding: 10px 14px;
            font-size: 0.92rem;
            color: var(--mk-text);
            transition: var(--mk-transition);
            background: #fff;
        }
        .mk-cta-right .form-control:focus, .mk-cta-right .form-select:focus {
            border-color: var(--mk-primary);
            box-shadow: 0 0 0 3px rgba(31,94,255,.12);
        }
        .mk-cta-right .form-control::placeholder {
            color: var(--mk-text-muted);
            font-size: 0.9rem;
        }
        .privacy-note {
            font-size: 0.75rem;
            color: var(--mk-text-muted);
            margin-top: 12px;
            line-height: 1.5;
        }

        /* ========== Footer ========== */
        .mk-footer {
            background: #0F172A;
            color: #B6C0D0;
            padding: 48px 0 28px;
        }
        .mk-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mk-footer .footer-brand .brand-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--mk-primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
        }
        .mk-footer p {
            font-size: 0.85rem;
            color: #B6C0D0;
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .mk-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin: 12px 0 16px;
        }
        .mk-footer .footer-links a {
            color: #B6C0D0;
            font-size: 0.85rem;
            transition: var(--mk-transition);
        }
        .mk-footer .footer-links a:hover {
            color: #fff;
        }
        .mk-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding-top: 18px;
            font-size: 0.8rem;
            color: #8A94A6;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
        }
        .mk-footer .footer-bottom a {
            color: #8A94A6;
        }
        .mk-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== Utility ========== */
        .text-primary-mk { color: var(--mk-primary) !important; }
        .bg-primary-mk { background: var(--mk-primary) !important; }
        .fw-800 { font-weight: 800 !important; }
        .fw-700 { font-weight: 700 !important; }
        .gap-8 { gap: 8px; }
        .mt-32 { margin-top: 32px; }
        .mb-32 { margin-bottom: 32px; }
        .text-muted-mk { color: var(--mk-text-muted) !important; }

        /* ========== Media Queries Advanced ========== */
        @media (max-width: 1024px) {
            .container { max-width: 960px; padding-left: 20px; padding-right: 20px; }
        }
        @media (max-width: 768px) {
            .container { max-width: 100%; padding-left: 16px; padding-right: 16px; }
            .mk-hero { padding: 48px 0 40px; min-height: auto; }
            .mk-section { padding: 44px 0; }
            .mk-section-title { font-size: 1.5rem; }
            .mk-deep-content { padding: 24px 18px; }
            .mk-cta-card { min-height: auto; }
            .mk-cta-left, .mk-cta-right { padding: 24px 20px; }
            .mk-footer { padding: 32px 0 20px; }
        }
        @media (max-width: 520px) {
            .mk-navbar .navbar-brand { font-size: 1.1rem; }
            .mk-navbar .navbar-brand .brand-icon { width: 28px; height: 28px; font-size: 0.8rem; }
            .mk-hero h1 { font-size: 1.1rem; }
            .mk-hero .hero-brand { font-size: 2rem; }
            .mk-hero .hero-subtitle { font-size: 0.9rem; }
            .mk-hero .hero-actions { flex-direction: column; }
            .mk-hero .hero-actions .btn-mk { width: 100%; justify-content: center; }
            .metric-card { padding: 16px 14px; }
            .metric-card .metric-value { font-size: 1.5rem; }
            .mk-service-grid { grid-template-columns: 1fr; }
            .mk-compare { grid-template-columns: 1fr; }
            .mk-news-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category2 */
:root {
            --mk-primary: #1F5EFF;
            --mk-primary-dark: #1747c9;
            --mk-primary-light: #E8EEFF;
            --mk-accent: #00A3FF;
            --mk-accent-teal: #00C2A8;
            --mk-bg: #F7F9FC;
            --mk-card: #FFFFFF;
            --mk-text: #14213D;
            --mk-text-secondary: #5A6B85;
            --mk-text-muted: #7D8CA3;
            --mk-border: #E3E9F2;
            --mk-radius-card: 14px;
            --mk-radius-btn: 10px;
            --mk-radius-input: 8px;
            --mk-shadow-sm: 0 6px 24px rgba(20,33,61,.06);
            --mk-shadow-md: 0 12px 32px rgba(20,33,61,.12);
            --mk-shadow-lg: 0 20px 48px rgba(20,33,61,.15);
            --mk-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
            --mk-transition: all .25s cubic-bezier(.4,0,.2,1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--mk-font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--mk-primary);
            text-decoration: none;
            transition: var(--mk-transition);
        }
        a:hover {
            color: var(--mk-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
        }

        /* ========== Header / Navbar ========== */
        .mk-navbar {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--mk-border);
            padding-top: 14px;
            padding-bottom: 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--mk-transition);
        }
        .mk-navbar.scrolled {
            box-shadow: 0 8px 28px rgba(20,33,61,.08);
            border-bottom-color: transparent;
        }
        .mk-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--mk-text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .mk-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--mk-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mk-navbar .brand-icon i {
            font-size: 1.1rem;
        }
        .mk-navbar .navbar-brand:hover {
            color: var(--mk-primary);
        }
        .mk-navbar .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.3rem;
            color: var(--mk-text);
            background: var(--mk-bg);
            border-radius: 8px;
        }
        .mk-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
        }
        .mk-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-navbar .nav-link:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active {
            color: var(--mk-primary);
            font-weight: 600;
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        .mk-navbar .navbar-nav {
            gap: 4px;
        }

        /* ========== Mobile Bottom Tab ========== */
        .mk-bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--mk-border);
            box-shadow: 0 -4px 20px rgba(20,33,61,.08);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mk-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--mk-transition);
            flex: 1;
            max-width: 90px;
            text-align: center;
            line-height: 1.3;
            min-height: 48px;
            justify-content: center;
        }
        .mk-bottom-tab a i {
            font-size: 1.15rem;
        }
        .mk-bottom-tab a.active {
            color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-bottom-tab a:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }

        /* ========== Breadcrumb ========== */
        .mk-breadcrumb {
            padding: 24px 0 8px;
            font-size: 0.9rem;
            color: var(--mk-text-muted);
        }
        .mk-breadcrumb a {
            color: var(--mk-text-secondary);
        }
        .mk-breadcrumb a:hover {
            color: var(--mk-primary);
        }
        .mk-breadcrumb .separator {
            margin: 0 8px;
            color: var(--mk-border);
        }
        .mk-breadcrumb .current {
            color: var(--mk-primary);
            font-weight: 500;
        }

        /* ========== Category Hero ========== */
        .mk-cat-hero {
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 40%, #F7F9FC 100%);
            border-radius: var(--mk-radius-card);
            padding: 48px 40px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(31,94,255,.08);
        }
        .mk-cat-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(31,94,255,.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .mk-cat-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--mk-text);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .mk-cat-hero .cat-desc {
            font-size: 1.05rem;
            color: var(--mk-text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .mk-cat-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 28px;
            position: relative;
            z-index: 1;
        }
        .mk-cat-hero .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mk-cat-hero .hero-stat-item .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--mk-primary);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.01em;
        }
        .mk-cat-hero .hero-stat-item .stat-label {
            font-size: 0.88rem;
            color: var(--mk-text-secondary);
            line-height: 1.4;
        }

        /* ========== Filter Bar ========== */
        .mk-filter-bar {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            padding: 18px 24px;
            margin-bottom: 36px;
            box-shadow: var(--mk-shadow-sm);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            border: 1px solid var(--mk-border);
        }
        .mk-filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-text-muted);
            white-space: nowrap;
        }
        .mk-filter-bar .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mk-filter-bar .filter-option {
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--mk-border);
            background: var(--mk-card);
            color: var(--mk-text-secondary);
            cursor: pointer;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-filter-bar .filter-option:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-filter-bar .filter-option.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 500;
        }
        .mk-filter-bar .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--mk-border);
        }

        /* ========== Category Cards Grid ========== */
        .mk-cards-section {
            margin-bottom: 40px;
        }
        .mk-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .mk-cat-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            overflow: hidden;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
            transition: var(--mk-transition);
            display: flex;
            flex-direction: column;
        }
        .mk-cat-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-4px);
            border-color: rgba(31,94,255,.2);
        }
        .mk-cat-card .card-img-wrap {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #EAEEF5;
        }
        .mk-cat-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .mk-cat-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .mk-cat-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255,255,255,.92);
            color: var(--mk-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }
        .mk-cat-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .mk-cat-card .card-date {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mk-cat-card .card-date i {
            font-size: 0.75rem;
        }
        .mk-cat-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--mk-text);
            letter-spacing: -0.01em;
        }
        .mk-cat-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .mk-cat-card .card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--mk-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--mk-transition);
        }
        .mk-cat-card .card-link i {
            font-size: 0.75rem;
            transition: transform .25s ease;
        }
        .mk-cat-card .card-link:hover {
            color: var(--mk-primary-dark);
        }
        .mk-cat-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== Pagination ========== */
        .mk-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 40px;
        }
        .mk-pagination a, .mk-pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--mk-border);
            background: var(--mk-card);
            color: var(--mk-text-secondary);
            transition: var(--mk-transition);
        }
        .mk-pagination a:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-pagination .current-page {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-pagination .page-dots {
            border: none;
            background: transparent;
            color: var(--mk-text-muted);
        }

        /* ========== Deep Content Section ========== */
        .mk-deep-section {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            padding: 44px 40px;
            margin-bottom: 40px;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
        }
        .mk-deep-section .deep-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--mk-text);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mk-deep-section .deep-title .title-accent {
            width: 4px;
            height: 28px;
            background: var(--mk-primary);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .mk-deep-section p {
            color: var(--mk-text-secondary);
            line-height: 1.9;
            font-size: 0.98rem;
            margin-bottom: 16px;
        }
        .mk-deep-section p:last-child {
            margin-bottom: 0;
        }
        .mk-deep-section .data-highlight {
            display: inline-block;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.92em;
        }

        /* ========== CTA Section ========== */
        .mk-cta-section {
            background: linear-gradient(135deg, #1F5EFF 0%, #1747c9 100%);
            border-radius: var(--mk-radius-card);
            padding: 48px 40px;
            margin-bottom: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .mk-cta-section::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .mk-cta-section .cta-title {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .mk-cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255,255,255,.85);
            line-height: 1.75;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .mk-cta-section .btn-cta {
            background: #fff;
            color: var(--mk-primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--mk-radius-btn);
            border: none;
            font-size: 1rem;
            transition: var(--mk-transition);
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .mk-cta-section .btn-cta:hover {
            background: #F0F5FF;
            color: var(--mk-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,.15);
        }

        /* ========== FAQ Section ========== */
        .mk-faq-section {
            margin-bottom: 40px;
        }
        .mk-faq-section .faq-title {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--mk-text);
            letter-spacing: -0.02em;
            margin-bottom: 24px;
        }
        .mk-faq-section .accordion-item {
            border: none;
            background: var(--mk-card);
            border-radius: 12px;
            box-shadow: var(--mk-shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            border-left: 3px solid var(--mk-primary);
        }
        .mk-faq-section .accordion-button {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--mk-text);
            padding: 18px 20px;
            background: var(--mk-card);
            border-radius: 12px;
            box-shadow: none;
            transition: var(--mk-transition);
        }
        .mk-faq-section .accordion-button:not(.collapsed) {
            background: #F0F5FF;
            color: var(--mk-primary);
            box-shadow: none;
        }
        .mk-faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.12);
            border-color: transparent;
        }
        .mk-faq-section .accordion-button::after {
            background-size: 14px;
            width: 14px;
            height: 14px;
        }
        .mk-faq-section .accordion-body {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            padding: 16px 20px 20px;
            background: var(--mk-card);
        }

        /* ========== Footer ========== */
        .mk-footer {
            background: #0F172A;
            color: #B6C0D0;
            padding: 48px 0 32px;
            margin-top: 20px;
        }
        .mk-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .mk-footer .brand-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--mk-primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .mk-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 480px;
            color: #94A3B8;
            margin-bottom: 0;
        }
        .mk-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 12px;
        }
        .mk-footer .footer-links a {
            color: #B6C0D0;
            font-size: 0.88rem;
            transition: var(--mk-transition);
        }
        .mk-footer .footer-links a:hover {
            color: #fff;
        }
        .mk-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding-top: 20px;
            font-size: 0.8rem;
            color: #7D8CA3;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .mk-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .mk-cat-hero {
                padding: 36px 28px;
            }
            .mk-deep-section {
                padding: 32px 28px;
            }
            .mk-cta-section {
                padding: 36px 28px;
            }
            .mk-filter-bar {
                padding: 14px 18px;
                gap: 12px;
            }
        }
        @media (max-width: 767.98px) {
            .mk-cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .mk-cat-hero {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .mk-cat-hero .hero-stats {
                gap: 20px;
                margin-top: 20px;
            }
            .mk-cat-hero .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .mk-deep-section {
                padding: 24px 20px;
                border-radius: 12px;
            }
            .mk-cta-section {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .mk-cta-section .cta-title {
                font-size: 1.3rem;
            }
            .mk-filter-bar {
                padding: 12px 14px;
                gap: 10px;
                border-radius: 12px;
            }
            .mk-filter-bar .filter-divider {
                display: none;
            }
            .mk-footer {
                padding: 32px 0 24px;
            }
            .mk-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .mk-pagination a, .mk-pagination span {
                min-width: 36px;
                height: 36px;
                padding: 0 8px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 575.98px) {
            .mk-cat-hero h1 {
                font-size: 1.5rem;
            }
            .mk-cat-hero .cat-desc {
                font-size: 0.92rem;
            }
            .mk-cat-hero .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .mk-deep-section .deep-title {
                font-size: 1.2rem;
            }
            .mk-faq-section .accordion-button {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .mk-filter-bar .filter-option {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
        }
        @media (min-width: 992px) {
            .mk-bottom-tab {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --mk-primary: #1F5EFF;
            --mk-primary-dark: #1747c9;
            --mk-primary-light: #E8EEFF;
            --mk-accent: #00A3FF;
            --mk-accent-teal: #00C2A8;
            --mk-bg: #F7F9FC;
            --mk-card: #FFFFFF;
            --mk-text: #14213D;
            --mk-text-secondary: #5A6B85;
            --mk-text-muted: #7D8CA3;
            --mk-border: #E3E9F2;
            --mk-radius-card: 14px;
            --mk-radius-btn: 10px;
            --mk-radius-input: 8px;
            --mk-shadow-sm: 0 6px 24px rgba(20,33,61,.06);
            --mk-shadow-md: 0 12px 32px rgba(20,33,61,.12);
            --mk-shadow-lg: 0 20px 48px rgba(20,33,61,.15);
            --mk-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
            --mk-transition: all .25s cubic-bezier(.4,0,.2,1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--mk-font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--mk-primary);
            text-decoration: none;
            transition: var(--mk-transition);
        }
        a:hover {
            color: var(--mk-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
        }
        /* ========== Header / Navbar ========== */
        .mk-navbar {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--mk-border);
            padding-top: 14px;
            padding-bottom: 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--mk-transition);
        }
        .mk-navbar.scrolled {
            box-shadow: 0 8px 28px rgba(20,33,61,.08);
            border-bottom-color: transparent;
        }
        .mk-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--mk-text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .mk-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--mk-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mk-navbar .brand-icon i {
            font-size: 1.1rem;
        }
        .mk-navbar .navbar-brand:hover {
            color: var(--mk-primary);
        }
        .mk-navbar .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.3rem;
            color: var(--mk-text);
            background: var(--mk-bg);
            border-radius: 8px;
        }
        .mk-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
        }
        .mk-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-navbar .nav-link:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active {
            color: var(--mk-primary);
            font-weight: 600;
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        .mk-navbar .navbar-nav {
            gap: 4px;
        }
        /* ========== Mobile Bottom Tab ========== */
        .mk-bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--mk-border);
            box-shadow: 0 -4px 20px rgba(20,33,61,.08);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mk-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--mk-transition);
            flex: 1;
            max-width: 90px;
            text-align: center;
            line-height: 1.3;
            min-height: 48px;
            justify-content: center;
        }
        .mk-bottom-tab a i {
            font-size: 1.15rem;
        }
        .mk-bottom-tab a.active {
            color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-bottom-tab a:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        @media (min-width: 992px) {
            .mk-bottom-tab {
                display: none;
            }
        }
        @media (max-width: 991.98px) {
            body {
                padding-bottom: 80px;
            }
        }
        /* ========== Breadcrumb ========== */
        .mk-breadcrumb {
            padding: 20px 0 0;
            font-size: 0.9rem;
            color: var(--mk-text-muted);
        }
        .mk-breadcrumb a {
            color: var(--mk-text-secondary);
        }
        .mk-breadcrumb a:hover {
            color: var(--mk-primary);
        }
        .mk-breadcrumb .separator {
            margin: 0 8px;
            color: var(--mk-text-muted);
        }
        /* ========== Hero (Category Hero) ========== */
        .mk-cat-hero {
            position: relative;
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 40%, #F7F9FC 100%);
            padding: 48px 0 56px;
            overflow: hidden;
            border-bottom: 1px solid var(--mk-border);
        }
        .mk-cat-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(31,94,255,.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .mk-cat-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 680px;
        }
        .mk-cat-hero h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--mk-text);
            margin-bottom: 16px;
        }
        .mk-cat-hero h1 .highlight {
            color: var(--mk-primary);
        }
        .mk-cat-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--mk-text-secondary);
            margin-bottom: 28px;
            max-width: 600px;
        }
        .mk-cat-hero .hero-metrics {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .mk-hero-metric {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,.7);
            border: 1px solid var(--mk-border);
            border-radius: 10px;
            padding: 10px 18px;
            backdrop-filter: blur(4px);
        }
        .mk-hero-metric i {
            color: var(--mk-primary);
            font-size: 1.2rem;
        }
        .mk-hero-metric .metric-text {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--mk-text);
        }
        .mk-hero-metric .metric-sub {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
        }
        .mk-cat-hero .hero-img-wrap {
            position: absolute;
            right: 0;
            bottom: 0;
            top: 0;
            width: 45%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center right;
            opacity: .18;
            z-index: 0;
            pointer-events: none;
            border-radius: 0 0 0 80px;
        }
        @media (max-width: 768px) {
            .mk-cat-hero .hero-img-wrap {
                width: 100%;
                opacity: .08;
                border-radius: 0;
            }
            .mk-cat-hero .hero-metrics {
                gap: 12px;
            }
            .mk-hero-metric {
                padding: 8px 12px;
            }
        }
        /* ========== Section Common ========== */
        .mk-section {
            padding: 64px 0;
        }
        .mk-section-sm {
            padding: 40px 0;
        }
        .mk-section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--mk-text);
            margin-bottom: 12px;
        }
        .mk-section-sub {
            font-size: 1rem;
            color: var(--mk-text-secondary);
            margin-bottom: 40px;
            max-width: 680px;
            line-height: 1.8;
        }
        .mk-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
        }
        .mk-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        /* ========== Capability Matrix (非对称) ========== */
        .mk-capability {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mk-capability .cap-wide {
            grid-column: span 2;
        }
        .cap-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            padding: 28px;
            transition: var(--mk-transition);
            display: flex;
            flex-direction: column;
        }
        .cap-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .cap-card .cap-icon {
            width: 44px;
            height: 44px;
            background: var(--mk-primary-light);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .cap-card .cap-icon i {
            font-size: 1.25rem;
            color: var(--mk-primary);
        }
        .cap-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--mk-text);
        }
        .cap-card p {
            font-size: 0.92rem;
            color: var(--mk-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .cap-card .cap-data {
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px dashed var(--mk-border);
            font-size: 0.85rem;
            color: var(--mk-text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cap-card .cap-data span i {
            margin-right: 4px;
            color: var(--mk-accent-teal);
        }
        @media (max-width: 992px) {
            .mk-capability {
                grid-template-columns: 1fr 1fr;
            }
            .mk-capability .cap-wide {
                grid-column: span 2;
            }
        }
        @media (max-width: 576px) {
            .mk-capability {
                grid-template-columns: 1fr;
            }
            .mk-capability .cap-wide {
                grid-column: span 1;
            }
        }
        /* ========== Deep Content ========== */
        .mk-deep-content {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            padding: 36px 40px;
        }
        .mk-deep-content h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--mk-text);
        }
        .mk-deep-content p {
            color: var(--mk-text-secondary);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .mk-deep-content p:last-child {
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .mk-deep-content {
                padding: 24px 20px;
            }
        }
        /* ========== Filter + List ========== */
        .mk-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 28px;
        }
        .mk-filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .mk-filter-group .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-text-muted);
            margin-right: 4px;
        }
        .mk-filter-btn {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--mk-border);
            background: var(--mk-card);
            color: var(--mk-text-secondary);
            cursor: pointer;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-filter-btn:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
        }
        .mk-filter-btn.active {
            background: var(--mk-primary);
            border-color: var(--mk-primary);
            color: #fff;
            font-weight: 600;
        }
        .mk-data-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mk-data-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            overflow: hidden;
            transition: var(--mk-transition);
            display: flex;
            flex-direction: column;
        }
        .mk-data-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-4px);
        }
        .mk-data-card .card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .mk-data-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--mk-transition);
        }
        .mk-data-card:hover .card-img img {
            transform: scale(1.04);
        }
        .mk-data-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--mk-primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            z-index: 1;
        }
        .mk-data-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .mk-data-card .card-date {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
            margin-bottom: 6px;
        }
        .mk-data-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--mk-text);
        }
        .mk-data-card .card-summary {
            font-size: 0.88rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .mk-data-card .card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--mk-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--mk-transition);
        }
        .mk-data-card .card-link:hover {
            color: var(--mk-primary-dark);
            gap: 10px;
        }
        @media (max-width: 992px) {
            .mk-data-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .mk-data-list {
                grid-template-columns: 1fr;
            }
        }
        /* ========== Tags ========== */
        .mk-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .mk-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--mk-card);
            border: 1px solid var(--mk-border);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--mk-text-secondary);
            transition: var(--mk-transition);
            cursor: pointer;
        }
        .mk-tag:hover {
            background: var(--mk-primary-light);
            border-color: var(--mk-primary);
            color: var(--mk-primary);
        }
        /* ========== FAQ ========== */
        .mk-faq .accordion-item {
            background: var(--mk-card);
            border: 1px solid var(--mk-border);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-faq .accordion-button {
            background: var(--mk-card);
            color: var(--mk-text);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            border: none;
            border-left: 4px solid var(--mk-primary);
            box-shadow: none;
            transition: var(--mk-transition);
        }
        .mk-faq .accordion-button:not(.collapsed) {
            background: #F0F5FF;
            color: var(--mk-primary);
            box-shadow: none;
        }
        .mk-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.12);
            border-left-color: var(--mk-primary);
        }
        .mk-faq .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            font-size: 0.9rem;
            transition: var(--mk-transition);
        }
        .mk-faq .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: none;
        }
        .mk-faq .accordion-body {
            padding: 0 20px 18px;
            background: #F0F5FF;
            color: var(--mk-text-secondary);
            font-size: 0.92rem;
            line-height: 1.85;
        }
        /* ========== CTA Form ========== */
        .mk-cta-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-lg);
            overflow: hidden;
        }
        .mk-cta-card .cta-left {
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 100%);
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .mk-cta-card .cta-left h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--mk-text);
        }
        .mk-cta-card .cta-left p {
            color: var(--mk-text-secondary);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .mk-cta-card .cta-left .cta-point {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
        }
        .mk-cta-card .cta-left .cta-point i {
            color: var(--mk-primary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .mk-cta-card .cta-right {
            padding: 40px 36px;
            background: var(--mk-card);
        }
        .mk-cta-card .cta-right .form-label {
            font-weight: 500;
            font-size: 0.88rem;
            color: var(--mk-text);
        }
        .mk-cta-card .cta-right .form-control,
        .mk-cta-card .cta-right .form-select {
            border-radius: var(--mk-radius-input);
            border: 1px solid var(--mk-border);
            padding: 10px 14px;
            font-size: 0.92rem;
            transition: var(--mk-transition);
        }
        .mk-cta-card .cta-right .form-control:focus,
        .mk-cta-card .cta-right .form-select:focus {
            border-color: var(--mk-primary);
            box-shadow: 0 0 0 3px rgba(31,94,255,.1);
            outline: none;
        }
        .mk-cta-card .cta-right .btn-primary {
            background: var(--mk-primary);
            border: none;
            border-radius: var(--mk-radius-btn);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--mk-transition);
            width: 100%;
        }
        .mk-cta-card .cta-right .btn-primary:hover {
            background: var(--mk-primary-dark);
            transform: translateY(-1px);
        }
        .mk-cta-card .cta-right .privacy-note {
            font-size: 0.78rem;
            color: var(--mk-text-muted);
            margin-top: 10px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .mk-cta-card .cta-left {
                padding: 28px 20px;
            }
            .mk-cta-card .cta-right {
                padding: 28px 20px;
            }
        }
        /* ========== Pagination ========== */
        .mk-pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 36px;
        }
        .mk-pagination .page-link {
            border-radius: 8px;
            border: 1px solid var(--mk-border);
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--mk-transition);
            background: var(--mk-card);
        }
        .mk-pagination .page-link:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-pagination .page-item.active .page-link {
            background: var(--mk-primary);
            border-color: var(--mk-primary);
            color: #fff;
        }
        /* ========== Footer ========== */
        .mk-footer {
            background: #0F172A;
            color: #B6C0D0;
            padding: 48px 0 32px;
            margin-top: 16px;
        }
        .mk-footer .footer-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .mk-footer .brand-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--mk-primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .mk-footer p {
            font-size: 0.9rem;
            color: #B6C0D0;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 420px;
        }
        .mk-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .mk-footer .footer-links a {
            color: #B6C0D0;
            font-size: 0.9rem;
            transition: var(--mk-transition);
        }
        .mk-footer .footer-links a:hover {
            color: #fff;
        }
        .mk-footer .footer-bottom {
            border-top: 1px solid rgba(182,192,208,.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: #8B96A8;
        }
        .mk-footer .footer-bottom span {
            white-space: nowrap;
        }
        @media (max-width: 576px) {
            .mk-footer {
                padding: 32px 0 24px;
            }
            .mk-footer .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --mk-primary: #1F5EFF;
            --mk-primary-dark: #1747c9;
            --mk-primary-light: #E8EEFF;
            --mk-accent: #00A3FF;
            --mk-accent-teal: #00C2A8;
            --mk-bg: #F7F9FC;
            --mk-card: #FFFFFF;
            --mk-text: #14213D;
            --mk-text-secondary: #5A6B85;
            --mk-text-muted: #7D8CA3;
            --mk-border: #E3E9F2;
            --mk-radius-card: 14px;
            --mk-radius-btn: 10px;
            --mk-radius-input: 8px;
            --mk-shadow-sm: 0 6px 24px rgba(20,33,61,.06);
            --mk-shadow-md: 0 12px 32px rgba(20,33,61,.12);
            --mk-shadow-lg: 0 20px 48px rgba(20,33,61,.15);
            --mk-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
            --mk-transition: all .25s cubic-bezier(.4,0,.2,1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--mk-font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--mk-primary);
            text-decoration: none;
            transition: var(--mk-transition);
        }
        a:hover {
            color: var(--mk-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
        }
        /* ========== Header / Navbar ========== */
        .mk-navbar {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--mk-border);
            padding-top: 14px;
            padding-bottom: 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--mk-transition);
        }
        .mk-navbar.scrolled {
            box-shadow: 0 8px 28px rgba(20,33,61,.08);
            border-bottom-color: transparent;
        }
        .mk-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--mk-text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .mk-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--mk-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mk-navbar .brand-icon i {
            font-size: 1.1rem;
        }
        .mk-navbar .navbar-brand:hover {
            color: var(--mk-primary);
        }
        .mk-navbar .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.3rem;
            color: var(--mk-text);
            background: var(--mk-bg);
            border-radius: 8px;
        }
        .mk-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
        }
        .mk-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-navbar .nav-link:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active {
            color: var(--mk-primary);
            font-weight: 600;
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        .mk-navbar .navbar-nav {
            gap: 4px;
        }
        /* ========== Mobile Bottom Tab ========== */
        .mk-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--mk-border);
            box-shadow: 0 -4px 20px rgba(20,33,61,.08);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mk-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--mk-transition);
            flex: 1;
            max-width: 90px;
            text-align: center;
            line-height: 1.3;
            min-height: 48px;
            justify-content: center;
        }
        .mk-bottom-tab a i {
            font-size: 1.15rem;
        }
        .mk-bottom-tab a.active {
            color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-bottom-tab a:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        /* ========== Breadcrumb ========== */
        .mk-breadcrumb {
            background: transparent;
            padding: 18px 0 0;
            margin-bottom: 0;
            font-size: 0.9rem;
        }
        .mk-breadcrumb .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider: '/';
        }
        .mk-breadcrumb .breadcrumb-item a {
            color: var(--mk-text-muted);
            transition: var(--mk-transition);
        }
        .mk-breadcrumb .breadcrumb-item a:hover {
            color: var(--mk-primary);
        }
        .mk-breadcrumb .breadcrumb-item.active {
            color: var(--mk-text-secondary);
            font-weight: 500;
        }
        /* ========== Category Hero ========== */
        .mk-cat-hero {
            position: relative;
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 35%, #F7F9FC 100%);
            padding: 56px 0 72px;
            overflow: hidden;
        }
        .mk-cat-hero::before {
            content: '';
            position: absolute;
            right: -80px;
            top: 50%;
            transform: translateY(-50%);
            width: 420px;
            height: 420px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: 50%;
            opacity: .18;
            pointer-events: none;
        }
        .mk-cat-hero .hero-inner {
            position: relative;
            z-index: 2;
        }
        .mk-cat-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--mk-text);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .mk-cat-hero .hero-desc {
            font-size: 1.15rem;
            color: var(--mk-text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 24px;
        }
        .mk-cat-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .mk-cat-hero .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(20,33,61,.08);
        }
        .mk-cat-hero .hero-badge-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
            white-space: nowrap;
        }
        .mk-cat-hero .hero-badge-item .badge-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--mk-primary);
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
        }
        .mk-cat-hero .hero-badge-item .badge-label {
            font-size: 0.85rem;
            color: var(--mk-text-muted);
            font-weight: 500;
        }
        /* ========== Buttons ========== */
        .btn-mk-primary {
            background: var(--mk-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--mk-radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--mk-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 6px 18px rgba(31,94,255,.22);
        }
        .btn-mk-primary:hover, .btn-mk-primary:focus {
            background: var(--mk-primary-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(31,94,255,.3);
            transform: translateY(-1px);
        }
        .btn-mk-outline {
            background: transparent;
            color: var(--mk-primary);
            border: 1.5px solid var(--mk-primary);
            padding: 11px 26px;
            border-radius: var(--mk-radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--mk-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-mk-outline:hover, .btn-mk-outline:focus {
            background: var(--mk-primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(31,94,255,.22);
        }
        .btn-mk-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 8px;
        }
        .btn-read-more {
            color: var(--mk-primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            border: none;
            background: transparent;
            transition: var(--mk-transition);
        }
        .btn-read-more:hover {
            color: var(--mk-primary-dark);
            gap: 8px;
        }
        /* ========== Filter Bar ========== */
        .mk-filter-bar {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            padding: 18px 22px;
            margin-top: -36px;
            position: relative;
            z-index: 5;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            border: 1px solid var(--mk-border);
        }
        .mk-filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-text-secondary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mk-filter-bar .filter-group {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .mk-filter-bar .filter-btn {
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--mk-border);
            background: var(--mk-bg);
            color: var(--mk-text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--mk-transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .mk-filter-bar .filter-btn:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-filter-bar .filter-btn.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 600;
        }
        /* ========== Section Common ========== */
        .mk-section {
            padding: 72px 0;
        }
        .mk-section-tight {
            padding: 48px 0;
        }
        .mk-section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--mk-text);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .mk-section-subtitle {
            font-size: 1.05rem;
            color: var(--mk-text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .mk-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--mk-primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .mk-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        /* ========== Insight Cards ========== */
        .mk-insight-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            padding: 28px 24px;
            height: 100%;
            border: 1px solid var(--mk-border);
            transition: var(--mk-transition);
        }
        .mk-insight-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
            border-color: rgba(31,94,255,.25);
        }
        .mk-insight-card .insight-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .mk-insight-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mk-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .mk-insight-card p {
            font-size: 0.92rem;
            color: var(--mk-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .mk-insight-card .insight-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--mk-border);
            font-size: 0.82rem;
            color: var(--mk-text-muted);
        }
        .mk-insight-card .insight-meta i {
            color: var(--mk-accent-teal);
        }
        /* ========== Process Steps ========== */
        .mk-process-step {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            padding: 28px 22px;
            height: 100%;
            border: 1px solid var(--mk-border);
            position: relative;
            transition: var(--mk-transition);
        }
        .mk-process-step:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .mk-process-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--mk-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .mk-process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--mk-text);
            margin-bottom: 8px;
        }
        .mk-process-step p {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== Review Cards ========== */
        .mk-review-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            overflow: hidden;
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
            transition: var(--mk-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .mk-review-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-4px);
            border-color: rgba(31,94,255,.2);
        }
        .mk-review-card .card-img-wrap {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #DCE4F0;
        }
        .mk-review-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s cubic-bezier(.4,0,.2,1);
        }
        .mk-review-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .mk-review-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255,255,255,.94);
            color: var(--mk-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .mk-review-card .card-body-inner {
            padding: 20px 20px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .mk-review-card .card-date {
            font-size: 0.78rem;
            color: var(--mk-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mk-review-card .card-date i {
            font-size: 0.7rem;
            color: var(--mk-accent);
        }
        .mk-review-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--mk-text);
            margin-bottom: 8px;
            line-height: 1.45;
            letter-spacing: -0.01em;
        }
        .mk-review-card .card-summary {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .mk-review-card .card-footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--mk-border);
        }
        .mk-review-card .card-score {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--mk-accent-teal);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        /* ========== Compare Panel ========== */
        .mk-compare-panel {
            background: #0F1D3A;
            border-radius: var(--mk-radius-card);
            padding: 40px 36px;
            color: #E8ECF5;
            position: relative;
            overflow: hidden;
        }
        .mk-compare-panel::after {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 260px;
            height: 260px;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            border-radius: 50%;
            opacity: .08;
            pointer-events: none;
        }
        .mk-compare-panel h2 {
            color: #fff;
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }
        .mk-compare-col {
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.1);
            border-radius: 12px;
            padding: 24px 20px;
            height: 100%;
        }
        .mk-compare-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mk-compare-col h4 i {
            color: var(--mk-accent);
        }
        .mk-compare-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mk-compare-col ul li {
            font-size: 0.9rem;
            color: #B6C0D0;
            line-height: 1.7;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,.06);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .mk-compare-col ul li:last-child {
            border-bottom: none;
        }
        .mk-compare-col ul li i.fa-check {
            color: var(--mk-accent-teal);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .mk-compare-col ul li i.fa-xmark {
            color: #FF6B6B;
            margin-top: 4px;
            flex-shrink: 0;
        }
        /* ========== FAQ ========== */
        .mk-faq-item {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
            overflow: hidden;
            margin-bottom: 14px;
            transition: var(--mk-transition);
        }
        .mk-faq-item:hover {
            border-color: rgba(31,94,255,.25);
        }
        .mk-faq-item .accordion-button {
            background: var(--mk-card);
            color: var(--mk-text);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-left: 3px solid var(--mk-primary);
            border-radius: 0;
        }
        .mk-faq-item .accordion-button:not(.collapsed) {
            background: #F0F5FF;
            color: var(--mk-primary);
            box-shadow: none;
            border-left-color: var(--mk-primary);
        }
        .mk-faq-item .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.12);
            z-index: auto;
        }
        .mk-faq-item .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background: none;
            color: var(--mk-text-muted);
            font-size: 0.85rem;
            transition: transform .25s;
        }
        .mk-faq-item .accordion-button:not(.collapsed)::after {
            content: '\f077';
            color: var(--mk-primary);
        }
        .mk-faq-item .accordion-body {
            padding: 18px 22px;
            font-size: 0.92rem;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            background: #FCFDFF;
        }
        /* ========== CTA Form ========== */
        .mk-cta-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-md);
            overflow: hidden;
            border: 1px solid var(--mk-border);
        }
        .mk-cta-card .cta-left {
            background: linear-gradient(135deg, #E8EEFF 0%, #DCE6FF 60%, #F0F5FF 100%);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .mk-cta-card .cta-left h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--mk-text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .mk-cta-card .cta-left ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mk-cta-card .cta-left ul li {
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            line-height: 1.7;
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .mk-cta-card .cta-left ul li i {
            color: var(--mk-primary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .mk-cta-card .cta-right {
            padding: 36px 30px;
            background: #fff;
        }
        .mk-cta-card .cta-right .form-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--mk-text);
            margin-bottom: 6px;
        }
        .mk-cta-card .cta-right .form-control,
        .mk-cta-card .cta-right .form-select {
            border: 1px solid var(--mk-border);
            border-radius: var(--mk-radius-input);
            padding: 11px 14px;
            font-size: 0.92rem;
            color: var(--mk-text);
            transition: var(--mk-transition);
            background: var(--mk-bg);
        }
        .mk-cta-card .cta-right .form-control:focus,
        .mk-cta-card .cta-right .form-select:focus {
            border-color: var(--mk-primary);
            box-shadow: 0 0 0 3px rgba(31,94,255,.12);
            background: #fff;
        }
        .mk-cta-card .privacy-note {
            font-size: 0.78rem;
            color: var(--mk-text-muted);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mk-cta-card .privacy-note i {
            color: var(--mk-accent-teal);
        }
        /* ========== Pagination ========== */
        .mk-pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .mk-pagination .page-link {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--mk-border);
            color: var(--mk-text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--mk-card);
            transition: var(--mk-transition);
            box-shadow: var(--mk-shadow-sm);
        }
        .mk-pagination .page-link:hover {
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            border-color: var(--mk-primary);
        }
        .mk-pagination .page-link.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            box-shadow: 0 6px 18px rgba(31,94,255,.25);
        }
        /* ========== Footer ========== */
        .mk-footer {
            background: #0F172A;
            color: #B6C0D0;
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .mk-footer .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .mk-footer .brand-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--mk-primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
        }
        .mk-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #B6C0D0;
            max-width: 480px;
            margin-bottom: 0;
        }
        .mk-footer .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .mk-footer .footer-links a {
            color: #B6C0D0;
            font-size: 0.88rem;
            font-weight: 500;
            transition: var(--mk-transition);
        }
        .mk-footer .footer-links a:hover {
            color: #fff;
        }
        .mk-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.8rem;
            color: #7D8CA3;
        }
        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .mk-cat-hero {
                padding: 44px 0 60px;
            }
            .mk-section {
                padding: 56px 0;
            }
            .mk-section-tight {
                padding: 40px 0;
            }
            .mk-review-card .card-body-inner {
                padding: 18px 16px 16px;
            }
            .mk-review-card h3 {
                font-size: 0.98rem;
            }
        }
        @media (max-width: 767.98px) {
            body {
                padding-bottom: 64px;
            }
            .mk-bottom-tab {
                display: flex;
            }
            .mk-cat-hero {
                padding: 32px 0 48px;
                min-height: auto;
            }
            .mk-cat-hero h1 {
                font-size: 1.6rem;
            }
            .mk-cat-hero .hero-desc {
                font-size: 1rem;
            }
            .mk-cat-hero .hero-badges {
                gap: 12px;
                margin-top: 24px;
                padding-top: 18px;
            }
            .mk-cat-hero .hero-badge-item .badge-num {
                font-size: 1.4rem;
            }
            .mk-filter-bar {
                margin-top: -24px;
                padding: 14px 16px;
                gap: 8px;
            }
            .mk-filter-bar .filter-label {
                width: 100%;
            }
            .mk-section {
                padding: 44px 0;
            }
            .mk-section-tight {
                padding: 32px 0;
            }
            .mk-compare-panel {
                padding: 28px 18px;
            }
            .mk-compare-panel h2 {
                font-size: 1.2rem;
            }
            .mk-cta-card .cta-left {
                padding: 28px 20px;
            }
            .mk-cta-card .cta-right {
                padding: 28px 20px;
            }
            .mk-footer {
                padding: 40px 0 20px;
            }
            .mk-footer .footer-links {
                gap: 12px;
            }
            .mk-pagination .page-link {
                width: 36px;
                height: 36px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 575.98px) {
            .mk-cat-hero .hero-badges {
                flex-direction: column;
                gap: 10px;
            }
            .mk-cat-hero .hero-badge-item {
                justify-content: space-between;
            }
            .mk-review-card {
                margin-bottom: 16px;
            }
            .mk-filter-bar .filter-group {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .mk-filter-bar .filter-btn {
                flex-shrink: 0;
            }
            .btn-mk-primary, .btn-mk-outline {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }
        @media (min-width: 992px) {
            .mk-review-card .card-body-inner {
                padding: 22px 22px 18px;
            }
            .mk-review-card h3 {
                font-size: 1.1rem;
            }
        }

/* roulang page: category4 */
:root {
            --mk-primary: #1F5EFF;
            --mk-primary-dark: #1747c9;
            --mk-primary-light: #E8EEFF;
            --mk-accent: #00A3FF;
            --mk-accent-teal: #00C2A8;
            --mk-bg: #F7F9FC;
            --mk-card: #FFFFFF;
            --mk-text: #14213D;
            --mk-text-secondary: #5A6B85;
            --mk-text-muted: #7D8CA3;
            --mk-border: #E3E9F2;
            --mk-radius-card: 14px;
            --mk-radius-btn: 10px;
            --mk-radius-input: 8px;
            --mk-shadow-sm: 0 6px 24px rgba(20,33,61,.06);
            --mk-shadow-md: 0 12px 32px rgba(20,33,61,.12);
            --mk-shadow-lg: 0 20px 48px rgba(20,33,61,.15);
            --mk-font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
            --mk-transition: all .25s cubic-bezier(.4,0,.2,1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--mk-font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--mk-text);
            background-color: var(--mk-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--mk-primary);
            text-decoration: none;
            transition: var(--mk-transition);
        }
        a:hover {
            color: var(--mk-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
        }
        /* ========== Header / Navbar ========== */
        .mk-navbar {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--mk-border);
            padding-top: 14px;
            padding-bottom: 14px;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--mk-transition);
        }
        .mk-navbar.scrolled {
            box-shadow: 0 8px 28px rgba(20,33,61,.08);
            border-bottom-color: transparent;
        }
        .mk-navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--mk-text);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .mk-navbar .navbar-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--mk-primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mk-navbar .brand-icon i {
            font-size: 1.1rem;
        }
        .mk-navbar .navbar-brand:hover {
            color: var(--mk-primary);
        }
        .mk-navbar .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 1.3rem;
            color: var(--mk-text);
            background: var(--mk-bg);
            border-radius: 8px;
        }
        .mk-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31,94,255,.15);
        }
        .mk-navbar .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--mk-transition);
            white-space: nowrap;
        }
        .mk-navbar .nav-link:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active {
            color: var(--mk-primary);
            font-weight: 600;
            background: var(--mk-primary-light);
        }
        .mk-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--mk-primary);
            border-radius: 2px;
        }
        .mk-navbar .navbar-nav {
            gap: 4px;
        }
        /* ========== Mobile Bottom Tab ========== */
        .mk-bottom-tab {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--mk-border);
            box-shadow: 0 -4px 20px rgba(20,33,61,.08);
            padding: 6px 8px;
            padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            justify-content: space-around;
            align-items: center;
        }
        .mk-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--mk-text-muted);
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--mk-transition);
            flex: 1;
            max-width: 90px;
            text-align: center;
            line-height: 1.3;
            min-height: 48px;
            justify-content: center;
        }
        .mk-bottom-tab a i {
            font-size: 1.15rem;
        }
        .mk-bottom-tab a.active {
            color: var(--mk-primary);
            font-weight: 600;
        }
        .mk-bottom-tab a:hover {
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        /* ========== Breadcrumb ========== */
        .mk-breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--mk-border);
            padding: 14px 0;
        }
        .mk-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--mk-text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .mk-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mk-breadcrumb li+li::before {
            content: '/';
            color: var(--mk-border);
            font-size: 0.9rem;
        }
        .mk-breadcrumb a {
            color: var(--mk-text-secondary);
        }
        .mk-breadcrumb a:hover {
            color: var(--mk-primary);
        }
        .mk-breadcrumb .current {
            color: var(--mk-primary);
            font-weight: 600;
        }
        /* ========== Hero ========== */
        .mk-hero {
            position: relative;
            background: linear-gradient(135deg, #F0F5FF 0%, #E8EFFF 35%, #F7F9FC 100%);
            padding: 64px 0 56px;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .mk-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -60px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(31,94,255,.08) 0%, rgba(31,94,255,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .mk-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0,194,168,.07) 0%, rgba(0,194,168,0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .mk-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .mk-hero h1 {
            font-size: clamp(1.9rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--mk-text);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .mk-hero .hero-subtitle {
            font-size: 1.15rem;
            color: var(--mk-text-secondary);
            max-width: 720px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .mk-hero .hero-desc {
            font-size: 1rem;
            color: var(--mk-text-secondary);
            max-width: 760px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            line-height: 1.85;
        }
        .mk-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .mk-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 28px;
            position: relative;
            z-index: 1;
        }
        .mk-hero .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
        }
        .mk-hero .hero-stat-item i {
            color: var(--mk-accent-teal);
            font-size: 1.1rem;
        }
        /* ========== Buttons ========== */
        .mk-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--mk-radius-btn);
            border: none;
            cursor: pointer;
            transition: var(--mk-transition);
            text-align: center;
            justify-content: center;
            text-decoration: none;
            line-height: 1.4;
        }
        .mk-btn:focus-visible {
            outline: 3px solid rgba(31,94,255,.3);
            outline-offset: 2px;
        }
        .mk-btn-primary {
            background: var(--mk-primary);
            color: #fff;
        }
        .mk-btn-primary:hover {
            background: var(--mk-primary-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(31,94,255,.25);
            transform: translateY(-2px);
        }
        .mk-btn-outline {
            background: transparent;
            color: var(--mk-primary);
            border: 1.5px solid var(--mk-primary);
        }
        .mk-btn-outline:hover {
            background: var(--mk-primary-light);
            color: var(--mk-primary-dark);
            border-color: var(--mk-primary);
        }
        .mk-btn-light {
            background: #fff;
            color: var(--mk-text);
            border: 1px solid var(--mk-border);
        }
        .mk-btn-light:hover {
            background: var(--mk-bg);
            border-color: var(--mk-text-muted);
            color: var(--mk-text);
        }
        .mk-btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: 8px;
        }
        .mk-btn-teal {
            background: var(--mk-accent-teal);
            color: #fff;
        }
        .mk-btn-teal:hover {
            background: #00a892;
            color: #fff;
            box-shadow: 0 8px 20px rgba(0,194,168,.25);
            transform: translateY(-2px);
        }
        /* ========== Section Common ========== */
        .mk-section {
            padding: 64px 0;
        }
        .mk-section-alt {
            background: #fff;
        }
        .mk-section-title {
            font-size: clamp(1.5rem, 2.8vw, 2.1rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--mk-text);
            margin-bottom: 12px;
        }
        .mk-section-desc {
            font-size: 1.05rem;
            color: var(--mk-text-secondary);
            max-width: 800px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .mk-section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-primary);
            background: var(--mk-primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: .04em;
        }
        /* ========== Filter Bar ========== */
        .mk-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            margin-bottom: 28px;
        }
        .mk-filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mk-text-secondary);
            margin-right: 4px;
        }
        .mk-filter-btn {
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 20px;
            border: 1px solid var(--mk-border);
            background: #fff;
            color: var(--mk-text-secondary);
            cursor: pointer;
            transition: var(--mk-transition);
        }
        .mk-filter-btn:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-filter-btn.active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 600;
        }
        /* ========== Cards Grid ========== */
        .mk-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mk-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            overflow: hidden;
            transition: var(--mk-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--mk-border);
        }
        .mk-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-4px);
            border-color: rgba(31,94,255,.2);
        }
        .mk-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--mk-bg);
        }
        .mk-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .mk-card:hover .mk-card-img img {
            transform: scale(1.05);
        }
        .mk-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20,33,61,.75);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: .03em;
            backdrop-filter: blur(4px);
        }
        .mk-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mk-card-date {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
            letter-spacing: .03em;
        }
        .mk-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--mk-text);
            line-height: 1.4;
            letter-spacing: -0.01em;
            margin: 0;
        }
        .mk-card-summary {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin: 0;
        }
        .mk-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mk-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--mk-transition);
        }
        .mk-card-link:hover {
            color: var(--mk-primary-dark);
            gap: 10px;
        }
        /* ========== Service Matrix ========== */
        .mk-service-matrix {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: start;
        }
        .mk-service-intro {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            padding: 28px;
            border-top: 3px solid var(--mk-primary);
            position: sticky;
            top: 90px;
        }
        .mk-service-intro h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--mk-text);
        }
        .mk-service-intro p {
            font-size: 0.98rem;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .mk-service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .mk-service-item {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            padding: 24px;
            border: 1px solid var(--mk-border);
            transition: var(--mk-transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .mk-service-item:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
            border-color: rgba(31,94,255,.2);
        }
        .mk-service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: var(--mk-primary-light);
            color: var(--mk-primary);
            flex-shrink: 0;
        }
        .mk-service-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0;
            color: var(--mk-text);
        }
        .mk-service-item p {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.65;
            margin: 0;
        }
        .mk-service-item .mk-service-data {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--mk-accent-teal);
        }
        /* ========== Scenario ========== */
        .mk-scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .mk-scenario-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            padding: 24px;
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
            text-align: left;
        }
        .mk-scenario-card:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .mk-scenario-card i {
            font-size: 1.6rem;
            color: var(--mk-primary);
            margin-bottom: 12px;
            display: block;
        }
        .mk-scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--mk-text);
        }
        .mk-scenario-card p {
            font-size: 0.9rem;
            color: var(--mk-text-secondary);
            line-height: 1.65;
            margin: 0;
        }
        /* ========== Process ========== */
        .mk-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .mk-process-step {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--mk-border);
            box-shadow: var(--mk-shadow-sm);
            transition: var(--mk-transition);
            position: relative;
        }
        .mk-process-step:hover {
            box-shadow: var(--mk-shadow-md);
            transform: translateY(-3px);
        }
        .mk-process-step-num {
            width: 40px;
            height: 40px;
            background: var(--mk-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .mk-process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--mk-text);
        }
        .mk-process-step p {
            font-size: 0.88rem;
            color: var(--mk-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        /* ========== FAQ ========== */
        .mk-faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 900px;
            margin: 0 auto;
        }
        .mk-faq-item {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-sm);
            border: 1px solid var(--mk-border);
            overflow: hidden;
            transition: var(--mk-transition);
            border-left: 3px solid var(--mk-primary);
        }
        .mk-faq-item.expanded {
            background: #F0F5FF;
            border-left-color: var(--mk-accent-teal);
        }
        .mk-faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--mk-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--mk-transition);
            line-height: 1.5;
        }
        .mk-faq-question:hover {
            color: var(--mk-primary);
        }
        .mk-faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--mk-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--mk-text-secondary);
            transition: var(--mk-transition);
        }
        .mk-faq-item.expanded .mk-faq-icon {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            transform: rotate(45deg);
        }
        .mk-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
        }
        .mk-faq-item.expanded .mk-faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }
        .mk-faq-answer p {
            font-size: 0.95rem;
            color: var(--mk-text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        /* ========== CTA Form ========== */
        .mk-cta-card {
            background: var(--mk-card);
            border-radius: var(--mk-radius-card);
            box-shadow: var(--mk-shadow-lg);
            overflow: hidden;
            border: 1px solid var(--mk-border);
        }
        .mk-cta-left {
            background: linear-gradient(135deg, var(--mk-primary-light) 0%, #E0EAFF 100%);
            padding: 40px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .mk-cta-left h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--mk-text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .mk-cta-left p {
            font-size: 0.98rem;
            color: var(--mk-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .mk-cta-left ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .mk-cta-left ul li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.92rem;
            color: var(--mk-text-secondary);
            padding: 4px 0;
        }
        .mk-cta-left ul li i {
            color: var(--mk-accent-teal);
        }
        .mk-cta-right {
            padding: 40px 32px;
            background: #fff;
        }
        .mk-form-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mk-text);
            margin-bottom: 6px;
        }
        .mk-form-control {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--mk-border);
            border-radius: var(--mk-radius-input);
            font-size: 0.95rem;
            color: var(--mk-text);
            background: #fff;
            transition: var(--mk-transition);
            outline: none;
        }
        .mk-form-control:focus {
            border-color: var(--mk-primary);
            box-shadow: 0 0 0 4px rgba(31,94,255,.12);
        }
        .mk-form-control::placeholder {
            color: var(--mk-text-muted);
        }
        .mk-form-hint {
            font-size: 0.8rem;
            color: var(--mk-text-muted);
            margin-top: 10px;
            text-align: center;
        }
        .mk-form-hint a {
            color: var(--mk-primary);
        }
        /* ========== Pagination ========== */
        .mk-pagination {
            display: flex;
            gap: 8px;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .mk-pagination a,
        .mk-pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 12px;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 8px;
            border: 1px solid var(--mk-border);
            background: #fff;
            color: var(--mk-text-secondary);
            transition: var(--mk-transition);
        }
        .mk-pagination a:hover {
            border-color: var(--mk-primary);
            color: var(--mk-primary);
            background: var(--mk-primary-light);
        }
        .mk-pagination .active {
            background: var(--mk-primary);
            color: #fff;
            border-color: var(--mk-primary);
            font-weight: 600;
        }
        /* ========== Footer ========== */
        .mk-footer {
            background: #0F172A;
            color: #B6C0D0;
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .mk-footer .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .mk-footer .brand-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--mk-primary);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.85rem;
        }
        .mk-footer p {
            font-size: 0.9rem;
            color: #B6C0D0;
            line-height: 1.7;
            max-width: 480px;
        }
        .mk-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            margin-bottom: 8px;
        }
        .mk-footer .footer-links a {
            color: #B6C0D0;
            font-size: 0.9rem;
            transition: var(--mk-transition);
        }
        .mk-footer .footer-links a:hover {
            color: #fff;
        }
        .mk-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.82rem;
            color: #7D8CA3;
            border-top: 1px solid rgba(255,255,255,.08);
            padding-top: 20px;
            margin-top: 32px;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .mk-service-matrix {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .mk-service-intro {
                position: static;
            }
            .mk-process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mk-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mk-scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .mk-hero {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .mk-hero h1 {
                font-size: 1.9rem;
            }
            .mk-section {
                padding: 48px 0;
            }
            .mk-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mk-scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mk-process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mk-service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mk-cta-left,
            .mk-cta-right {
                padding: 28px 20px;
            }
            .mk-filter-bar {
                gap: 6px;
            }
            .mk-filter-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }
        @media (min-width: 769px) {
            .mk-bottom-tab {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .mk-hero .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .mk-footer .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
            .mk-btn {
                width: 100%;
                justify-content: center;
            }
        }