/* roulang page: index */
:root {
            --kt-primary: #1b3a2f;
            --kt-primary-dark: #12231c;
            --kt-accent: #c8f04a;
            --kt-bg: #fafaf5;
            --kt-card-bg: #ffffff;
            --kt-dark-section: #12231c;
            --kt-highlight: #e85d3a;
            --kt-text-primary: #1e1e1a;
            --kt-text-secondary: #5c6b60;
            --kt-border: #e4e7e2;
            --kt-radius-sm: 8px;
            --kt-radius-md: 12px;
            --kt-radius-lg: 16px;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
            --kt-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --kt-font-num: "DIN Alternate", "Bebas Neue", "Inter", sans-serif;
            --kt-nav-width: 260px;
            --kt-nav-collapsed: 220px;
            --kt-section-padding: 88px;
            --kt-section-padding-mobile: 52px;
            --kt-transition: 0.25s ease;
            --kt-focus-ring: 2px solid #c8f04a;
        }

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

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

        body {
            font-family: var(--kt-font-cn);
            background-color: var(--kt-bg);
            color: var(--kt-text-primary);
            line-height: 1.8;
            font-weight: 400;
            font-size: 16px;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--kt-font-cn);
            color: var(--kt-text-primary);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 46px;
            line-height: 1.18;
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 32px;
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
            line-height: 1.4;
        }
        p {
            margin-bottom: 1em;
        }
        a {
            color: var(--kt-primary);
            text-decoration: none;
            transition: color var(--kt-transition), background-color var(--kt-transition), border-color var(--kt-transition);
        }
        a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.2em;
            margin-bottom: 1em;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        .kt-app-shell {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .kt-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--kt-nav-width);
            height: 100vh;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1030;
            display: flex;
            flex-direction: column;
            padding: 0;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.08);
            transition: width var(--kt-transition);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .kt-sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px;
            min-height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .kt-sidebar-logo i {
            font-size: 26px;
            color: var(--kt-accent);
        }
        .kt-sidebar-logo:hover {
            color: #fff;
            background-color: rgba(200, 240, 74, 0.08);
        }

        .kt-sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .kt-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--kt-radius-sm);
            text-decoration: none;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-left var(--kt-transition);
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .kt-sidebar-nav a i {
            font-size: 17px;
            width: 22px;
            text-align: center;
        }
        .kt-sidebar-nav a:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }
        .kt-sidebar-nav a.kt-active {
            background-color: rgba(200, 240, 74, 0.18);
            color: #fff;
            border-left-color: var(--kt-accent);
            font-weight: 600;
        }

        .kt-sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            white-space: nowrap;
        }
        .kt-sidebar-footer .kt-update-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            margin-right: 6px;
            animation: ktPulse 1.8s infinite;
        }
        @keyframes ktPulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .kt-main {
            flex: 1;
            margin-left: var(--kt-nav-width);
            min-height: 100vh;
            width: calc(100% - var(--kt-nav-width));
            transition: margin-left var(--kt-transition), width var(--kt-transition);
        }

        .kt-topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 58px;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .kt-topbar-mobile .kt-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .kt-topbar-mobile .kt-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--kt-radius-sm);
            transition: background-color var(--kt-transition);
        }
        .kt-topbar-mobile .kt-hamburger:hover {
            background-color: rgba(200, 240, 74, 0.2);
        }

        .kt-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(18, 35, 28, 0.6);
            z-index: 1025;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .kt-drawer-overlay.kt-show {
            opacity: 1;
        }

        .kt-section {
            padding: var(--kt-section-padding) 40px;
            position: relative;
        }
        .kt-section-sm {
            padding: 48px 40px;
        }
        .kt-section-alt {
            background-color: #f3f6f0;
        }
        .kt-section-dark {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.85);
        }
        .kt-section-dark h2,
        .kt-section-dark h3 {
            color: #fff;
        }
        .kt-section-dark .kt-section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .kt-section-title {
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .kt-section-subtitle {
            color: var(--kt-text-secondary);
            font-size: 16px;
            max-width: 720px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .kt-section-dark .kt-section-subtitle {
            color: rgba(255, 255, 255, 0.68);
        }
        .kt-section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.35);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .kt-section-dark .kt-section-label {
            color: var(--kt-accent);
            background-color: rgba(200, 240, 74, 0.15);
        }

        .kt-num {
            font-family: var(--kt-font-num);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.5px;
        }

        .kt-card {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition), border-color var(--kt-transition);
            overflow: hidden;
            height: 100%;
        }
        .kt-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(27, 58, 47, 0.2);
        }
        .kt-card-body {
            padding: 24px 26px;
        }
        .kt-card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--kt-text-primary);
        }
        .kt-card-text {
            color: var(--kt-text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .kt-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            background-color: rgba(200, 240, 74, 0.5);
            color: var(--kt-primary);
            padding: 3px 10px;
            border-radius: 4px;
            margin-right: 6px;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .kt-tag-outline {
            background: transparent;
            border: 1px solid var(--kt-border);
            color: var(--kt-text-secondary);
        }
        .kt-tag-hot {
            background-color: var(--kt-highlight);
            color: #fff;
        }

        .kt-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--kt-radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--kt-transition);
            text-decoration: none;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .kt-btn:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }
        .kt-btn-primary {
            background-color: var(--kt-primary);
            color: #fff;
            border: 1px solid transparent;
        }
        .kt-btn-primary:hover {
            background-color: var(--kt-primary-dark);
            color: #fff;
            border-color: var(--kt-accent);
            box-shadow: 0 4px 14px rgba(27, 58, 47, 0.25);
        }
        .kt-btn-secondary {
            background-color: transparent;
            color: var(--kt-primary);
            border: 1px solid var(--kt-primary);
        }
        .kt-btn-secondary:hover {
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            border-color: var(--kt-accent);
            box-shadow: 0 4px 14px rgba(200, 240, 74, 0.3);
        }
        .kt-btn-light {
            background-color: #fff;
            color: var(--kt-primary);
            border: 1px solid transparent;
        }
        .kt-btn-light:hover {
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            border-color: var(--kt-accent);
        }

        .kt-hero {
            padding: 64px 40px 72px;
            background-color: var(--kt-bg);
            position: relative;
            overflow: hidden;
        }
        .kt-hero::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 240, 74, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .kt-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -70px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(27, 58, 47, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .kt-hero-content {
            position: relative;
            z-index: 1;
        }
        .kt-hero-title {
            font-size: 46px;
            font-weight: 700;
            color: var(--kt-text-primary);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .kt-hero-subtitle {
            font-size: 17px;
            color: var(--kt-text-secondary);
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .kt-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .kt-hero-badge-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .kt-hero-stack {
            position: relative;
            height: 100%;
            min-height: 340px;
            z-index: 1;
        }
        .kt-hero-card-main {
            position: relative;
            z-index: 3;
            background: #fff;
            border-radius: var(--kt-radius-lg);
            border: 1px solid rgba(27, 58, 47, 0.15);
            box-shadow: 0 12px 32px rgba(27, 58, 47, 0.14);
            padding: 24px 28px;
            max-width: 400px;
            margin-left: auto;
            margin-right: 40px;
            transform: rotate(0deg);
            transition: transform var(--kt-transition), box-shadow var(--kt-transition);
        }
        .kt-hero-card-main:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(27, 58, 47, 0.2);
        }
        .kt-hero-card-side-top {
            position: absolute;
            z-index: 2;
            top: -18px;
            right: 0;
            width: 260px;
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            box-shadow: 0 6px 18px rgba(27, 58, 47, 0.08);
            padding: 18px 20px;
            transform: rotate(2deg);
            transition: transform var(--kt-transition), box-shadow var(--kt-transition);
        }
        .kt-hero-card-side-top:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: 0 12px 26px rgba(27, 58, 47, 0.14);
        }
        .kt-hero-card-side-bottom {
            position: absolute;
            z-index: 2;
            bottom: -14px;
            left: 8px;
            width: 240px;
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            box-shadow: 0 6px 18px rgba(27, 58, 47, 0.08);
            padding: 18px 20px;
            transform: rotate(-2deg);
            transition: transform var(--kt-transition), box-shadow var(--kt-transition);
        }
        .kt-hero-card-side-bottom:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: 0 12px 26px rgba(27, 58, 47, 0.14);
        }
        .kt-hero-match-score {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--kt-font-num);
            color: var(--kt-primary);
            letter-spacing: 0.5px;
        }
        .kt-hero-match-label {
            font-size: 12px;
            color: var(--kt-text-secondary);
            letter-spacing: 0.5px;
        }
        .kt-hero-live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--kt-highlight);
            margin-right: 6px;
            animation: ktPulse 1.2s infinite;
        }

        .kt-metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kt-metric-card {
            background: #fff;
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-md);
            padding: 22px 24px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            position: relative;
            overflow: hidden;
        }
        .kt-metric-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }
        .kt-metric-value {
            font-size: 36px;
            font-weight: 700;
            font-family: var(--kt-font-num);
            color: var(--kt-primary);
            line-height: 1.1;
            letter-spacing: -0.5px;
            margin-bottom: 6px;
        }
        .kt-metric-value .kt-accent {
            color: var(--kt-primary);
        }
        .kt-metric-label {
            font-size: 14px;
            color: var(--kt-text-secondary);
            font-weight: 500;
        }
        .kt-metric-trend {
            font-size: 13px;
            font-weight: 600;
            color: var(--kt-primary);
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .kt-metric-trend.kt-up {
            color: var(--kt-primary);
        }
        .kt-metric-trend.kt-down {
            color: var(--kt-highlight);
        }

        .kt-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .kt-service-card {
            background: #fff;
            border-radius: var(--kt-radius-lg);
            border: 1px solid var(--kt-border);
            padding: 28px 26px;
            box-shadow: var(--kt-shadow-sm);
            transition: all var(--kt-transition);
            height: 100%;
            position: relative;
        }
        .kt-service-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-5px);
            border-color: rgba(27, 58, 47, 0.22);
        }
        .kt-service-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(200, 240, 74, 0.35);
            color: var(--kt-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .kt-scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .kt-scene-card {
            background: #fff;
            border-radius: var(--kt-radius-lg);
            border: 1px solid var(--kt-border);
            padding: 24px 24px 20px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .kt-scene-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-4px);
        }
        .kt-scene-card .kt-scene-icon {
            font-size: 28px;
            color: var(--kt-primary);
            margin-bottom: 10px;
        }
        .kt-scene-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .kt-scene-card p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .kt-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: kt-step;
        }
        .kt-step-item {
            background: #fff;
            border-radius: var(--kt-radius-lg);
            border: 1px solid var(--kt-border);
            padding: 26px 24px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            position: relative;
            height: 100%;
        }
        .kt-step-item:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-4px);
        }
        .kt-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--kt-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 14px;
            font-family: var(--kt-font-num);
        }
        .kt-step-item h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .kt-step-item p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .kt-compare-table-wrapper {
            border-radius: var(--kt-radius-lg);
            overflow: hidden;
            border: 1px solid var(--kt-border);
            background: #fff;
            box-shadow: var(--kt-shadow-sm);
        }
        .kt-compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }
        .kt-compare-table thead th {
            background-color: var(--kt-primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            text-align: left;
            font-size: 15px;
            border-bottom: none;
        }
        .kt-compare-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--kt-border);
            color: var(--kt-text-secondary);
            vertical-align: top;
        }
        .kt-compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .kt-compare-table tbody td:first-child {
            font-weight: 600;
            color: var(--kt-text-primary);
        }
        .kt-compare-table tbody tr:hover td {
            background-color: rgba(200, 240, 74, 0.08);
        }
        .kt-check-icon {
            color: var(--kt-primary);
            font-size: 16px;
            margin-right: 4px;
        }
        .kt-x-icon {
            color: var(--kt-highlight);
            font-size: 16px;
            margin-right: 4px;
        }

        .kt-timeline {
            position: relative;
            padding-left: 32px;
        }
        .kt-timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: rgba(27, 58, 47, 0.18);
            border-radius: 1px;
        }
        .kt-timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 18px;
        }
        .kt-timeline-item:last-child {
            padding-bottom: 0;
        }
        .kt-timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--kt-primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px rgba(27, 58, 47, 0.2);
        }
        .kt-timeline-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .kt-timeline-item p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .kt-timeline-date {
            font-size: 12px;
            color: var(--kt-primary);
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 4px;
            font-family: var(--kt-font-num);
        }

        .kt-brand-intro {
            background-color: #f3f6f0;
            border-radius: var(--kt-radius-lg);
            padding: 38px 44px;
            max-width: 820px;
            margin: 0 auto;
            position: relative;
        }
        .kt-brand-intro p {
            color: var(--kt-text-secondary);
            font-size: 16px;
            line-height: 2;
            margin-bottom: 0;
        }

        .kt-news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .kt-news-item {
            display: flex;
            gap: 18px;
            align-items: center;
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            padding: 16px 20px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
        }
        .kt-news-item:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }
        .kt-news-thumb {
            width: 70px;
            height: 50px;
            border-radius: var(--kt-radius-sm);
            background-color: #eaece8;
            flex-shrink: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--kt-text-secondary);
            font-size: 18px;
        }
        .kt-news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .kt-news-content {
            flex: 1;
        }
        .kt-news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--kt-text-primary);
            margin-bottom: 4px;
        }
        .kt-news-meta {
            font-size: 12px;
            color: var(--kt-text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .kt-assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kt-assurance-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            padding: 20px 18px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            height: 100%;
        }
        .kt-assurance-item:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }
        .kt-assurance-item i {
            font-size: 20px;
            color: var(--kt-primary);
            margin-top: 2px;
            flex-shrink: 0;
        }
        .kt-assurance-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .kt-assurance-item p {
            font-size: 13px;
            color: var(--kt-text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .kt-faq-item {
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            margin-bottom: 12px;
            box-shadow: var(--kt-shadow-sm);
            overflow: hidden;
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
        }
        .kt-faq-item:last-child {
            margin-bottom: 0;
        }
        .kt-faq-item.kt-open {
            border-left: 4px solid var(--kt-accent);
            box-shadow: var(--kt-shadow-hover);
        }
        .kt-faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--kt-text-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background-color var(--kt-transition);
        }
        .kt-faq-question:hover {
            background-color: rgba(200, 240, 74, 0.1);
        }
        .kt-faq-icon {
            font-size: 16px;
            color: var(--kt-primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .kt-faq-item.kt-open .kt-faq-icon {
            transform: rotate(45deg);
        }
        .kt-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .kt-faq-answer-inner {
            padding: 2px 22px 20px;
            color: var(--kt-text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .kt-form-section {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.85);
            border-radius: var(--kt-radius-lg);
            padding: 40px 44px;
        }
        .kt-form-section h3 {
            color: #fff;
            margin-bottom: 8px;
        }
        .kt-form-section .kt-form-subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-bottom: 24px;
        }
        .kt-form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--kt-radius-sm);
            color: #fff;
            padding: 12px 16px;
            font-size: 15px;
            width: 100%;
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
        }
        .kt-form-control::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .kt-form-control:focus {
            outline: none;
            border-color: var(--kt-accent);
            box-shadow: 0 0 0 2px rgba(200, 240, 74, 0.25);
            background: rgba(255, 255, 255, 0.12);
        }
        .kt-form-control option {
            color: var(--kt-text-primary);
            background: #fff;
        }
        .kt-form-label {
            font-weight: 500;
            font-size: 14px;
            margin-bottom: 6px;
            display: block;
            color: rgba(255, 255, 255, 0.8);
        }
        .kt-form-select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c8f04a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .kt-sources-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .kt-source-badge {
            background: #fff;
            border-radius: var(--kt-radius-md);
            border: 1px solid var(--kt-border);
            padding: 18px 20px;
            text-align: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--kt-text-secondary);
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .kt-source-badge:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }
        .kt-source-badge i {
            font-size: 24px;
            color: var(--kt-primary);
            margin-bottom: 4px;
        }

        .kt-footer {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.75);
            padding: 46px 40px 28px;
            font-size: 14px;
        }
        .kt-footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .kt-footer a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: color var(--kt-transition);
        }
        .kt-footer a:hover {
            color: var(--kt-accent);
            background-color: transparent;
        }
        .kt-footer .kt-footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .kt-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .kt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 28px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 1199px) {
            :root {
                --kt-nav-width: 220px;
                --kt-section-padding: 68px;
            }
            .kt-sidebar {
                width: var(--kt-nav-width);
            }
            .kt-main {
                margin-left: var(--kt-nav-width);
                width: calc(100% - var(--kt-nav-width));
            }
            .kt-hero-title {
                font-size: 38px;
            }
            .kt-metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kt-service-grid,
            .kt-scene-grid,
            .kt-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .kt-assurance-grid,
            .kt-sources-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            :root {
                --kt-section-padding: 52px;
                --kt-section-padding-mobile: 44px;
            }
            .kt-sidebar {
                transform: translateX(-100%);
                width: 280px;
                transition: transform 0.3s ease;
                z-index: 1026;
            }
            .kt-sidebar.kt-open {
                transform: translateX(0);
            }
            .kt-main {
                margin-left: 0;
                width: 100%;
            }
            .kt-topbar-mobile {
                display: flex;
            }
            .kt-drawer-overlay {
                display: block;
                pointer-events: none;
            }
            .kt-drawer-overlay.kt-show {
                pointer-events: auto;
            }
            .kt-section {
                padding: var(--kt-section-padding) 24px;
            }
            .kt-hero {
                padding: 72px 24px 52px;
            }
            .kt-hero-title {
                font-size: 32px;
            }
            .kt-hero-stack {
                min-height: 200px;
                margin-top: 24px;
            }
            .kt-hero-card-main {
                max-width: 100%;
                margin-right: 0;
            }
            .kt-hero-card-side-top,
            .kt-hero-card-side-bottom {
                display: none;
            }
            .kt-metric-grid,
            .kt-service-grid,
            .kt-scene-grid,
            .kt-steps,
            .kt-assurance-grid,
            .kt-sources-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kt-compare-table-wrapper {
                overflow-x: auto;
            }
            .kt-compare-table {
                min-width: 600px;
            }
            .kt-footer {
                padding: 36px 24px 20px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --kt-section-padding: 44px;
                --kt-section-padding-mobile: 36px;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 19px;
            }
            .kt-section {
                padding: var(--kt-section-padding) 16px;
            }
            .kt-hero {
                padding: 64px 16px 40px;
            }
            .kt-hero-title {
                font-size: 26px;
            }
            .kt-hero-subtitle {
                font-size: 15px;
            }
            .kt-hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .kt-btn {
                width: 100%;
            }
            .kt-metric-grid,
            .kt-service-grid,
            .kt-scene-grid,
            .kt-steps,
            .kt-assurance-grid,
            .kt-sources-grid {
                grid-template-columns: 1fr;
            }
            .kt-section-title {
                font-size: 23px;
            }
            .kt-section-subtitle {
                font-size: 15px;
            }
            .kt-brand-intro {
                padding: 26px 20px;
                margin: 0;
                border-radius: var(--kt-radius-md);
            }
            .kt-news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .kt-news-thumb {
                width: 100%;
                height: 140px;
            }
            .kt-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .kt-form-section {
                padding: 28px 20px;
                border-radius: var(--kt-radius-md);
            }
            .kt-hero-card-main {
                padding: 18px 20px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 24px;
            }
            .kt-hero-title {
                font-size: 22px;
                line-height: 1.35;
            }
            .kt-section-title {
                font-size: 20px;
            }
            .kt-metric-value {
                font-size: 28px;
            }
            .kt-card-body {
                padding: 18px 18px;
            }
        }

/* roulang page: category2 */
:root {
            --kt-primary: #1b3a2f;
            --kt-primary-dark: #12231c;
            --kt-accent: #c8f04a;
            --kt-bg: #fafaf5;
            --kt-card-bg: #ffffff;
            --kt-dark-section: #12231c;
            --kt-highlight: #e85d3a;
            --kt-text-primary: #1e1e1a;
            --kt-text-secondary: #5c6b60;
            --kt-border: #e4e7e2;
            --kt-radius-sm: 8px;
            --kt-radius-md: 12px;
            --kt-radius-lg: 16px;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
            --kt-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --kt-font-num: "DIN Alternate", "Bebas Neue", "Inter", sans-serif;
            --kt-nav-width: 260px;
            --kt-nav-collapsed: 220px;
            --kt-section-padding: 68px;
            --kt-section-padding-mobile: 44px;
            --kt-transition: 0.25s ease;
            --kt-focus-ring: 2px solid #c8f04a;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--kt-font-cn);
            background-color: var(--kt-bg);
            color: var(--kt-text-primary);
            line-height: 1.8;
            font-weight: 400;
            font-size: 16px;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--kt-primary);
            text-decoration: none;
            transition: color var(--kt-transition), background-color var(--kt-transition), border-color var(--kt-transition), box-shadow var(--kt-transition), transform var(--kt-transition);
        }

        a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }

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

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* 左侧导航 */
        .kt-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--kt-nav-width);
            background-color: var(--kt-primary);
            display: flex;
            flex-direction: column;
            z-index: 1030;
            transition: width var(--kt-transition);
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.08);
        }

        .kt-sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px;
            min-height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .kt-sidebar-logo i {
            font-size: 26px;
            color: var(--kt-accent);
        }

        .kt-sidebar-logo:hover {
            color: #fff;
            background-color: rgba(200, 240, 74, 0.08);
            text-decoration: none;
        }

        .kt-sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

        .kt-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--kt-radius-sm);
            text-decoration: none;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-left var(--kt-transition);
            border-left: 3px solid transparent;
            white-space: nowrap;
        }

        .kt-sidebar-nav a i {
            font-size: 17px;
            width: 22px;
            text-align: center;
        }

        .kt-sidebar-nav a:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
            text-decoration: none;
        }

        .kt-sidebar-nav a.kt-active {
            background-color: rgba(200, 240, 74, 0.18);
            color: #fff;
            border-left-color: var(--kt-accent);
            font-weight: 600;
        }

        .kt-sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .kt-sidebar-footer .kt-update-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            margin-right: 6px;
            animation: ktPulse 1.8s infinite;
        }

        @keyframes ktPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* 主内容区 */
        .kt-main {
            flex: 1;
            margin-left: var(--kt-nav-width);
            min-height: 100vh;
            width: calc(100% - var(--kt-nav-width));
            transition: margin-left var(--kt-transition), width var(--kt-transition);
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部栏 */
        .kt-topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 58px;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .kt-topbar-mobile .kt-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .kt-topbar-mobile .kt-logo-text i {
            color: var(--kt-accent);
            font-size: 20px;
        }

        .kt-topbar-mobile .kt-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background-color var(--kt-transition);
            line-height: 1;
        }

        .kt-topbar-mobile .kt-hamburger:hover {
            background-color: rgba(200, 240, 74, 0.15);
        }

        /* 抽屉遮罩 */
        .kt-drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(18, 35, 28, 0.6);
            z-index: 1045;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .kt-drawer-overlay.kt-show {
            display: block;
            opacity: 1;
        }

        /* 移动端抽屉导航 */
        .kt-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            bottom: 0;
            width: 260px;
            max-width: calc(100vw - 40px);
            background-color: var(--kt-primary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: left 0.3s ease;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.2);
        }

        .kt-drawer.kt-open {
            left: 0;
        }

        .kt-drawer .kt-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            min-height: 58px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }

        .kt-drawer .kt-drawer-logo {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .kt-drawer .kt-drawer-logo i {
            color: var(--kt-accent);
        }

        .kt-drawer .kt-drawer-close {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 20px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background-color var(--kt-transition);
        }

        .kt-drawer .kt-drawer-close:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }

        .kt-drawer .kt-sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            overflow-y: auto;
        }

        .kt-drawer .kt-sidebar-footer {
            flex-shrink: 0;
        }

        /* 面包屑 */
        .kt-breadcrumb-section {
            padding: 28px 0 8px 0;
            background-color: var(--kt-bg);
        }

        .kt-breadcrumb-section .kt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--kt-text-secondary);
            flex-wrap: wrap;
        }

        .kt-breadcrumb-section .kt-breadcrumb a {
            color: var(--kt-text-secondary);
            font-weight: 500;
            transition: color var(--kt-transition);
        }

        .kt-breadcrumb-section .kt-breadcrumb a:hover {
            color: var(--kt-primary);
            background-color: transparent;
        }

        .kt-breadcrumb-section .kt-breadcrumb .kt-separator {
            color: #b0b8b2;
            font-size: 12px;
        }

        .kt-breadcrumb-section .kt-breadcrumb .kt-current {
            color: var(--kt-primary);
            font-weight: 600;
        }

        /* 分类页头部 */
        .kt-category-header {
            padding: 24px 0 32px 0;
            background-color: var(--kt-bg);
        }

        .kt-category-header .kt-category-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--kt-text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .kt-category-header .kt-category-title .kt-dot {
            color: var(--kt-accent);
            background-color: var(--kt-primary);
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 28px;
            vertical-align: middle;
            margin: 0 6px;
        }

        .kt-category-header .kt-category-lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--kt-text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* 内容容器 */
        .kt-content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 板块标题 */
        .kt-section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--kt-text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .kt-section-subtitle {
            font-size: 15px;
            color: var(--kt-text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* 卡片列表主体 */
        .kt-guide-list-section {
            padding: 40px 0 56px 0;
            background-color: var(--kt-bg);
        }

        .kt-guide-card {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            overflow: hidden;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition), border-color var(--kt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .kt-guide-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(27, 58, 47, 0.15);
        }

        .kt-guide-card .kt-card-img-wrapper {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #eef0ea;
            flex-shrink: 0;
        }

        .kt-guide-card .kt-card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }

        .kt-guide-card:hover .kt-card-img-wrapper img {
            transform: scale(1.04);
        }

        .kt-guide-card .kt-card-body {
            padding: 20px 24px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .kt-guide-card .kt-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .kt-tag {
            display: inline-block;
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
            line-height: 1.6;
        }

        .kt-tag.kt-tag-outline {
            background-color: transparent;
            border: 1px solid var(--kt-primary);
            color: var(--kt-primary);
        }

        .kt-tag.kt-tag-highlight {
            background-color: rgba(232, 93, 58, 0.12);
            color: var(--kt-highlight);
            border: 1px solid rgba(232, 93, 58, 0.3);
        }

        .kt-guide-card .kt-card-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--kt-text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .kt-guide-card .kt-card-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--kt-text-secondary);
            margin-bottom: 14px;
            flex: 1;
        }

        .kt-guide-card .kt-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--kt-text-secondary);
            border-top: 1px solid var(--kt-border);
            padding-top: 12px;
            margin-top: auto;
        }

        .kt-guide-card .kt-card-meta .kt-date {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .kt-guide-card .kt-card-meta .kt-date i {
            font-size: 13px;
            color: #8a958e;
        }

        .kt-guide-card .kt-card-meta .kt-data-point {
            display: flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            color: var(--kt-primary);
            font-family: var(--kt-font-num);
        }

        /* 数据指标板块 */
        .kt-stats-section {
            padding: var(--kt-section-padding) 0;
            background-color: #f4f6f0;
            border-top: 1px solid var(--kt-border);
            border-bottom: 1px solid var(--kt-border);
        }

        .kt-stat-card {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--kt-shadow-sm);
            text-align: center;
            height: 100%;
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
        }

        .kt-stat-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-2px);
        }

        .kt-stat-card .kt-stat-icon {
            font-size: 24px;
            color: var(--kt-primary);
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(200, 240, 74, 0.25);
        }

        .kt-stat-card .kt-stat-number {
            font-size: 40px;
            font-weight: 700;
            font-family: var(--kt-font-num);
            color: var(--kt-primary);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .kt-stat-card .kt-stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--kt-text-secondary);
            margin-left: 2px;
            font-family: var(--kt-font-cn);
        }

        .kt-stat-card .kt-stat-label {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-top: 8px;
            line-height: 1.6;
        }

        .kt-stat-card .kt-stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--kt-primary);
            margin-top: 10px;
            padding: 3px 10px;
            border-radius: 20px;
            background-color: rgba(200, 240, 74, 0.25);
        }

        .kt-stat-card .kt-stat-trend.kt-up {
            color: #1b7a3d;
        }

        /* 专题场景板块 */
        .kt-scene-section {
            padding: var(--kt-section-padding) 0;
            background-color: var(--kt-bg);
        }

        .kt-scene-card {
            background-color: var(--kt-primary);
            border-radius: var(--kt-radius-lg);
            padding: 28px 26px;
            color: #fff;
            height: 100%;
            position: relative;
            overflow: hidden;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .kt-scene-card::after {
            content: '';
            position: absolute;
            right: -30px;
            bottom: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background-color: rgba(200, 240, 74, 0.1);
            pointer-events: none;
        }

        .kt-scene-card .kt-scene-icon {
            font-size: 28px;
            color: var(--kt-accent);
            margin-bottom: 14px;
            display: inline-block;
        }

        .kt-scene-card .kt-scene-title {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            color: #fff;
        }

        .kt-scene-card .kt-scene-text {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }

        .kt-scene-card .kt-scene-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--kt-accent);
            margin-top: 16px;
            transition: color var(--kt-transition);
        }

        .kt-scene-card .kt-scene-link:hover {
            color: #fff;
            background-color: transparent;
        }

        /* 文章资讯流 */
        .kt-article-section {
            padding: var(--kt-section-padding) 0;
            background-color: #f4f6f0;
            border-top: 1px solid var(--kt-border);
            border-bottom: 1px solid var(--kt-border);
        }

        .kt-article-list {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            overflow: hidden;
            box-shadow: var(--kt-shadow-sm);
        }

        .kt-article-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--kt-border);
            transition: background-color var(--kt-transition);
            gap: 16px;
        }

        .kt-article-item:last-child {
            border-bottom: none;
        }

        .kt-article-item:hover {
            background-color: rgba(200, 240, 74, 0.08);
        }

        .kt-article-item .kt-article-info {
            flex: 1;
            min-width: 0;
        }

        .kt-article-item .kt-article-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--kt-text-primary);
            line-height: 1.5;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .kt-article-item .kt-article-title a {
            color: var(--kt-text-primary);
        }

        .kt-article-item .kt-article-title a:hover {
            color: var(--kt-primary);
            background-color: transparent;
        }

        .kt-article-item .kt-article-meta {
            font-size: 13px;
            color: var(--kt-text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .kt-article-item .kt-article-arrow {
            color: var(--kt-text-secondary);
            font-size: 16px;
            flex-shrink: 0;
            transition: color var(--kt-transition), transform var(--kt-transition);
        }

        .kt-article-item:hover .kt-article-arrow {
            color: var(--kt-primary);
            transform: translateX(4px);
        }

        /* CTA 转化区块 */
        .kt-cta-section {
            padding: var(--kt-section-padding) 0;
            background-color: var(--kt-dark-section);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .kt-cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: rgba(200, 240, 74, 0.06);
            pointer-events: none;
        }

        .kt-cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -30px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background-color: rgba(200, 240, 74, 0.04);
            pointer-events: none;
        }

        .kt-cta-section .kt-cta-content {
            position: relative;
            z-index: 1;
        }

        .kt-cta-section .kt-cta-title {
            font-size: 30px;
            font-weight: 600;
            line-height: 1.35;
            margin-bottom: 12px;
            color: #fff;
        }

        .kt-cta-section .kt-cta-text {
            font-size: 15px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
            max-width: 640px;
        }

        .kt-cta-form .form-control {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--kt-radius-sm);
            color: #fff;
            padding: 12px 16px;
            font-size: 14px;
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
            font-family: var(--kt-font-cn);
        }

        .kt-cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .kt-cta-form .form-control:focus {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: var(--kt-accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 74, 0.15);
            color: #fff;
            outline: none;
        }

        .kt-cta-form .form-label {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .kt-cta-form .form-select {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--kt-radius-sm);
            color: #fff;
            padding: 12px 16px;
            font-size: 14px;
            font-family: var(--kt-font-cn);
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
        }

        .kt-cta-form .form-select:focus {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: var(--kt-accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 74, 0.15);
            color: #fff;
            outline: none;
        }

        .kt-cta-form .form-select option {
            color: var(--kt-text-primary);
            background-color: #fff;
        }

        /* 按钮 */
        .kt-btn-primary {
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--kt-radius-sm);
            border: none;
            cursor: pointer;
            transition: background-color var(--kt-transition), transform var(--kt-transition), box-shadow var(--kt-transition);
            font-family: var(--kt-font-cn);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .kt-btn-primary:hover {
            background-color: #d4fa5e;
            color: var(--kt-primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(200, 240, 74, 0.3);
        }

        .kt-btn-primary:active {
            transform: translateY(0);
        }

        .kt-btn-outline {
            background-color: transparent;
            border: 1px solid var(--kt-primary);
            color: var(--kt-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 28px;
            border-radius: var(--kt-radius-sm);
            cursor: pointer;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-color var(--kt-transition), transform var(--kt-transition);
            font-family: var(--kt-font-cn);
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
        }

        .kt-btn-outline:hover {
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            border-color: var(--kt-accent);
        }

        /* 页脚 */
        .kt-footer {
            background-color: var(--kt-dark-section);
            color: #fff;
            padding: 48px 0 24px 0;
            margin-top: auto;
        }

        .kt-footer .kt-footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .kt-footer .kt-footer-logo i {
            color: var(--kt-accent);
        }

        .kt-footer .kt-footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .kt-footer .kt-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .kt-footer .kt-footer-links li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color var(--kt-transition);
            text-decoration: none;
        }

        .kt-footer .kt-footer-links li a:hover {
            color: var(--kt-accent);
            background-color: transparent;
        }

        .kt-footer .kt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            :root {
                --kt-nav-width: 220px;
            }
            .kt-category-header .kt-category-title {
                font-size: 38px;
            }
        }

        @media (max-width: 991px) {
            .kt-sidebar {
                display: none;
            }
            .kt-topbar-mobile {
                display: flex;
            }
            .kt-main {
                margin-left: 0;
                width: 100%;
                padding-top: 58px;
            }
            .kt-breadcrumb-section {
                padding-top: 16px;
            }
            .kt-category-header .kt-category-title {
                font-size: 32px;
            }
            .kt-category-header .kt-category-title .kt-dot {
                font-size: 22px;
                padding: 1px 8px;
            }
            .kt-guide-card .kt-card-body {
                padding: 18px 20px 20px 20px;
            }
            .kt-stat-card .kt-stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 767px) {
            .kt-category-header .kt-category-title {
                font-size: 26px;
                letter-spacing: 0.2px;
            }
            .kt-category-header .kt-category-lead {
                font-size: 15px;
            }
            .kt-section-title {
                font-size: 22px;
            }
            .kt-guide-card .kt-card-img-wrapper {
                aspect-ratio: 16 / 9;
            }
            .kt-guide-card .kt-card-body {
                padding: 16px 18px 18px 18px;
            }
            .kt-guide-card .kt-card-title {
                font-size: 16px;
            }
            .kt-stat-card {
                padding: 20px 16px;
            }
            .kt-stat-card .kt-stat-number {
                font-size: 28px;
            }
            .kt-cta-section .kt-cta-title {
                font-size: 24px;
            }
            .kt-footer .kt-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .kt-content-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .kt-article-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 18px;
                gap: 10px;
            }
            .kt-article-item .kt-article-arrow {
                align-self: flex-end;
            }
        }

        @media (max-width: 520px) {
            :root {
                --kt-section-padding: 36px;
                --kt-section-padding-mobile: 32px;
            }
            .kt-category-header .kt-category-title {
                font-size: 22px;
            }
            .kt-category-header .kt-category-title .kt-dot {
                font-size: 18px;
                padding: 1px 6px;
                margin: 0 4px;
            }
            .kt-stat-card .kt-stat-number {
                font-size: 24px;
            }
            .kt-btn-primary,
            .kt-btn-outline {
                font-size: 14px;
                padding: 10px 22px;
                width: 100%;
            }
            .kt-guide-card .kt-card-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --kt-primary: #1b3a2f;
            --kt-primary-dark: #12231c;
            --kt-accent: #c8f04a;
            --kt-bg: #fafaf5;
            --kt-card-bg: #ffffff;
            --kt-dark-section: #12231c;
            --kt-highlight: #e85d3a;
            --kt-text-primary: #1e1e1a;
            --kt-text-secondary: #5c6b60;
            --kt-border: #e4e7e2;
            --kt-radius-sm: 8px;
            --kt-radius-md: 12px;
            --kt-radius-lg: 16px;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
            --kt-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --kt-font-num: "DIN Alternate", "Bebas Neue", "Inter", sans-serif;
            --kt-nav-width: 260px;
            --kt-nav-collapsed: 220px;
            --kt-section-padding: 88px;
            --kt-section-padding-mobile: 52px;
            --kt-transition: 0.25s ease;
            --kt-focus-ring: 2px solid #c8f04a;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--kt-font-cn);
            background-color: var(--kt-bg);
            color: var(--kt-text-primary);
            line-height: 1.8;
            font-weight: 400;
            font-size: 16px;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--kt-primary);
            text-decoration: none;
            transition: color var(--kt-transition), background-color var(--kt-transition), border-color var(--kt-transition);
        }
        a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }
        .kt-sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px;
            min-height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .kt-sidebar-logo i {
            font-size: 26px;
            color: var(--kt-accent);
        }
        .kt-sidebar-logo:hover {
            color: #fff;
            background-color: rgba(200, 240, 74, 0.08);
        }
        .kt-sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .kt-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--kt-radius-sm);
            text-decoration: none;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-left var(--kt-transition);
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .kt-sidebar-nav a i {
            font-size: 17px;
            width: 22px;
            text-align: center;
        }
        .kt-sidebar-nav a:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }
        .kt-sidebar-nav a.kt-active {
            background-color: rgba(200, 240, 74, 0.18);
            color: #fff;
            border-left-color: var(--kt-accent);
            font-weight: 600;
        }
        .kt-sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            white-space: nowrap;
        }
        .kt-sidebar-footer .kt-update-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            margin-right: 6px;
            animation: ktPulse 1.8s infinite;
        }
        @keyframes ktPulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }
        .kt-main {
            flex: 1;
            margin-left: var(--kt-nav-width);
            min-height: 100vh;
            width: calc(100% - var(--kt-nav-width));
            transition: margin-left var(--kt-transition), width var(--kt-transition);
        }
        .kt-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--kt-nav-width);
            background-color: var(--kt-primary);
            display: flex;
            flex-direction: column;
            z-index: 1030;
            transition: width var(--kt-transition), transform var(--kt-transition);
        }
        .kt-topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 58px;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1045;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
        }
        .kt-topbar-mobile .kt-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .kt-topbar-mobile .kt-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: background-color var(--kt-transition);
        }
        .kt-topbar-mobile .kt-hamburger:hover {
            background-color: rgba(255, 255, 255, 0.12);
        }
        .kt-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(18, 35, 28, 0.6);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--kt-transition);
        }
        .kt-drawer-overlay.kt-show {
            opacity: 1;
        }
        .kt-sidebar.kt-open {
            transform: translateX(0);
        }
        .kt-section {
            padding: var(--kt-section-padding) 0;
        }
        .kt-section-sm {
            padding: 48px 0;
        }
        .kt-bg-white {
            background-color: var(--kt-card-bg);
        }
        .kt-bg-dark {
            background-color: var(--kt-dark-section);
            color: #fff;
        }
        .kt-bg-dark h2,
        .kt-bg-dark h3,
        .kt-bg-dark h4 {
            color: #fff;
        }
        .kt-bg-dark .kt-text-secondary {
            color: rgba(255, 255, 255, 0.62);
        }
        .kt-section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--kt-text-primary);
        }
        .kt-section-title .kt-accent-mark {
            color: var(--kt-highlight);
        }
        .kt-section-subtitle {
            font-size: 16px;
            color: var(--kt-text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .kt-bg-dark .kt-section-title {
            color: #fff;
        }
        .kt-bg-dark .kt-section-subtitle {
            color: rgba(255, 255, 255, 0.62);
        }
        .kt-card {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            box-shadow: var(--kt-shadow-sm);
            padding: 24px;
            transition: transform var(--kt-transition), box-shadow var(--kt-transition), border-color var(--kt-transition);
            height: 100%;
        }
        .kt-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kt-shadow-hover);
            border-color: rgba(200, 240, 74, 0.4);
        }
        .kt-card-img {
            border-radius: var(--kt-radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            background-color: #eef1ec;
            position: relative;
        }
        .kt-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .kt-tag {
            display: inline-block;
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            line-height: 1.4;
            margin-right: 6px;
            margin-bottom: 4px;
        }
        .kt-tag-hot {
            background-color: var(--kt-highlight);
            color: #fff;
        }
        .kt-tag-outline {
            background-color: transparent;
            border: 1px solid var(--kt-border);
            color: var(--kt-text-secondary);
        }
        .kt-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--kt-radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--kt-transition);
            text-decoration: none;
            line-height: 1.5;
            font-family: var(--kt-font-cn);
        }
        .kt-btn-primary {
            background-color: var(--kt-primary);
            color: #fff;
            border-color: var(--kt-primary);
        }
        .kt-btn-primary:hover {
            background-color: var(--kt-primary-dark);
            color: #fff;
            border-color: var(--kt-accent);
        }
        .kt-btn-secondary {
            background-color: transparent;
            border-color: var(--kt-primary);
            color: var(--kt-primary);
        }
        .kt-btn-secondary:hover {
            background-color: var(--kt-accent);
            border-color: var(--kt-accent);
            color: var(--kt-primary);
        }
        .kt-btn-light {
            background-color: var(--kt-accent);
            border-color: var(--kt-accent);
            color: var(--kt-primary);
        }
        .kt-btn-light:hover {
            background-color: #b8dd3c;
            border-color: #b8dd3c;
            color: var(--kt-primary-dark);
        }
        .kt-btn-outline-light {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .kt-btn-outline-light:hover {
            background-color: var(--kt-accent);
            border-color: var(--kt-accent);
            color: var(--kt-primary);
        }
        .kt-metric-number {
            font-family: var(--kt-font-num);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: 0.5px;
            color: var(--kt-primary);
            font-variant-numeric: tabular-nums;
        }
        .kt-metric-unit {
            font-size: 15px;
            font-weight: 500;
            color: var(--kt-text-secondary);
            margin-left: 4px;
        }
        .kt-metric-label {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-top: 4px;
        }
        .kt-metric-trend {
            font-size: 12px;
            font-weight: 600;
            color: var(--kt-highlight);
            margin-left: 6px;
        }
        .kt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--kt-text-secondary);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .kt-breadcrumb a {
            color: var(--kt-text-secondary);
            font-weight: 500;
        }
        .kt-breadcrumb a:hover {
            color: var(--kt-primary);
            background-color: transparent;
        }
        .kt-breadcrumb .kt-sep {
            color: #c0c7c2;
        }
        .kt-breadcrumb .kt-current {
            color: var(--kt-primary);
            font-weight: 600;
        }
        .kt-category-hero {
            padding: 40px 0 32px;
            position: relative;
        }
        .kt-category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--kt-text-primary);
        }
        .kt-category-hero .kt-cat-desc {
            font-size: 16px;
            color: var(--kt-text-secondary);
            max-width: 680px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .kt-category-hero .kt-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        .kt-hero-stat-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }
        .kt-hero-stat-item .kt-metric-number {
            font-size: 28px;
        }
        .kt-content-section {
            padding: 40px 0;
        }
        .kt-list-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            box-shadow: var(--kt-shadow-sm);
            overflow: hidden;
            transition: transform var(--kt-transition), box-shadow var(--kt-transition), border-color var(--kt-transition);
        }
        .kt-list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kt-shadow-hover);
            border-color: rgba(200, 240, 74, 0.4);
        }
        .kt-list-card .kt-card-img {
            border-radius: 0;
            margin-bottom: 0;
            aspect-ratio: 16 / 9;
        }
        .kt-list-card .kt-card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .kt-list-card .kt-card-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--kt-text-primary);
        }
        .kt-list-card .kt-card-text {
            font-size: 14px;
            color: var(--kt-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }
        .kt-list-card .kt-card-meta {
            font-size: 12px;
            color: #9aa39d;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .kt-list-card .kt-card-meta i {
            margin-right: 4px;
        }
        .kt-article-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--kt-border);
            color: var(--kt-text-primary);
            transition: all var(--kt-transition);
        }
        .kt-article-link:last-child {
            border-bottom: none;
        }
        .kt-article-link:hover {
            padding-left: 8px;
            color: var(--kt-primary);
            background-color: transparent;
        }
        .kt-article-link .kt-article-title {
            font-weight: 500;
            font-size: 15px;
            flex: 1;
            margin-right: 12px;
        }
        .kt-article-link .kt-article-date {
            font-size: 12px;
            color: #9aa39d;
            white-space: nowrap;
        }
        .kt-article-link i {
            color: #c0c7c2;
            transition: color var(--kt-transition);
        }
        .kt-article-link:hover i {
            color: var(--kt-accent);
        }
        .kt-topic-card {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            box-shadow: var(--kt-shadow-sm);
            overflow: hidden;
            transition: transform var(--kt-transition), box-shadow var(--kt-transition);
            height: 100%;
        }
        .kt-topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kt-shadow-hover);
        }
        .kt-topic-card .kt-card-img {
            border-radius: 0;
            margin-bottom: 0;
            aspect-ratio: 16 / 9;
        }
        .kt-topic-card .kt-card-body {
            padding: 18px 20px;
        }
        .kt-topic-card .kt-card-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .kt-topic-card .kt-card-text {
            font-size: 13px;
            color: var(--kt-text-secondary);
            margin-bottom: 12px;
        }
        .kt-cta-banner {
            background: linear-gradient(135deg, var(--kt-primary) 0%, var(--kt-primary-dark) 100%);
            border-radius: var(--kt-radius-lg);
            padding: 36px 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .kt-cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 240, 74, 0.12) 0%, transparent 70%);
        }
        .kt-cta-banner h2 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
        }
        .kt-cta-banner p {
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 20px;
            position: relative;
            max-width: 520px;
        }
        .kt-cta-banner .kt-btn {
            position: relative;
        }
        .kt-footer {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .kt-footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .kt-footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .kt-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .kt-footer-links li {
            margin-bottom: 8px;
        }
        .kt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--kt-transition);
        }
        .kt-footer-links a:hover {
            color: var(--kt-accent);
            background-color: transparent;
        }
        .kt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 32px;
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 1199px) {
            :root {
                --kt-nav-width: 220px;
                --kt-section-padding: 68px;
                --kt-section-padding-mobile: 52px;
            }
            .kt-main {
                margin-left: var(--kt-nav-width);
                width: calc(100% - var(--kt-nav-width));
            }
        }
        @media (max-width: 991px) {
            :root {
                --kt-section-padding: 52px;
                --kt-section-padding-mobile: 44px;
            }
            .kt-sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1040;
            }
            .kt-sidebar.kt-open {
                transform: translateX(0);
            }
            .kt-topbar-mobile {
                display: flex;
            }
            .kt-drawer-overlay {
                display: block;
            }
            .kt-main {
                margin-left: 0;
                width: 100%;
                padding-top: 58px;
            }
            .kt-category-hero h1 {
                font-size: 32px;
            }
            .kt-metric-number {
                font-size: 32px;
            }
            .kt-section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --kt-section-padding: 44px;
                --kt-section-padding-mobile: 36px;
            }
            .kt-category-hero h1 {
                font-size: 26px;
            }
            .kt-category-hero .kt-cat-desc {
                font-size: 14px;
            }
            .kt-metric-number {
                font-size: 26px;
            }
            .kt-section-title {
                font-size: 22px;
            }
            .kt-list-card .kt-card-body {
                padding: 16px 18px;
            }
            .kt-list-card .kt-card-title {
                font-size: 16px;
            }
            .kt-cta-banner {
                padding: 24px 20px;
            }
            .kt-cta-banner h2 {
                font-size: 20px;
            }
            .kt-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            :root {
                --kt-section-padding: 36px;
                --kt-section-padding-mobile: 32px;
            }
            .kt-category-hero h1 {
                font-size: 22px;
            }
            .kt-section-title {
                font-size: 20px;
            }
            .kt-metric-number {
                font-size: 22px;
            }
            .kt-hero-stats {
                gap: 12px;
            }
            .kt-btn {
                padding: 8px 16px;
                font-size: 14px;
            }
        }
        .kt-divider {
            border-top: 1px solid var(--kt-border);
            margin: 32px 0;
        }
        .kt-text-secondary {
            color: var(--kt-text-secondary);
        }
        .kt-mb-0 {
            margin-bottom: 0;
        }
        .kt-icon-accent {
            color: var(--kt-accent);
        }
        .kt-icon-primary {
            color: var(--kt-primary);
        }
        .kt-icon-highlight {
            color: var(--kt-highlight);
        }
        .kt-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.2);
            padding: 6px 14px;
            border-radius: 4px;
            margin-bottom: 12px;
        }
        .kt-data-badge i {
            font-size: 13px;
        }
        .kt-scenario-tag-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .kt-scenario-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            color: var(--kt-text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            transition: all var(--kt-transition);
        }
        .kt-scenario-tag:hover {
            border-color: var(--kt-accent);
            background-color: rgba(200, 240, 74, 0.1);
            color: var(--kt-primary);
        }
        .kt-scenario-tag i {
            color: var(--kt-accent);
            font-size: 12px;
        }
        .kt-form-control {
            display: block;
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 400;
            line-height: 1.6;
            color: var(--kt-text-primary);
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-sm);
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
            font-family: var(--kt-font-cn);
        }
        .kt-form-control:focus {
            border-color: var(--kt-accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 74, 0.15);
            outline: none;
        }
        .kt-form-label {
            font-weight: 500;
            font-size: 14px;
            color: var(--kt-text-primary);
            margin-bottom: 6px;
            display: block;
        }
        .kt-form-group {
            margin-bottom: 16px;
        }
        .kt-form-select {
            display: block;
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 400;
            line-height: 1.6;
            color: var(--kt-text-primary);
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-sm);
            transition: border-color var(--kt-transition), box-shadow var(--kt-transition);
            font-family: var(--kt-font-cn);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235c6b60' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }
        .kt-form-select:focus {
            border-color: var(--kt-accent);
            box-shadow: 0 0 0 3px rgba(200, 240, 74, 0.15);
            outline: none;
        }

/* roulang page: category3 */
:root {
            --kt-primary: #1b3a2f;
            --kt-primary-dark: #12231c;
            --kt-accent: #c8f04a;
            --kt-bg: #fafaf5;
            --kt-card-bg: #ffffff;
            --kt-dark-section: #12231c;
            --kt-highlight: #e85d3a;
            --kt-text-primary: #1e1e1a;
            --kt-text-secondary: #5c6b60;
            --kt-border: #e4e7e2;
            --kt-radius-sm: 8px;
            --kt-radius-md: 12px;
            --kt-radius-lg: 16px;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
            --kt-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --kt-font-num: "DIN Alternate", "Bebas Neue", "Inter", sans-serif;
            --kt-nav-width: 220px;
            --kt-section-padding: 68px;
            --kt-section-padding-mobile: 44px;
            --kt-transition: 0.25s ease;
            --kt-focus-ring: 2px solid #c8f04a;
        }

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

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

        body {
            font-family: var(--kt-font-cn);
            background-color: var(--kt-bg);
            color: var(--kt-text-primary);
            line-height: 1.8;
            font-weight: 400;
            font-size: 16px;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--kt-primary);
            text-decoration: none;
            transition: color var(--kt-transition), background-color var(--kt-transition), border-color var(--kt-transition);
        }

        a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }

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

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        .kt-sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px;
            min-height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .kt-sidebar-logo i {
            font-size: 26px;
            color: var(--kt-accent);
        }

        .kt-sidebar-logo:hover {
            color: #fff;
            background-color: rgba(200, 240, 74, 0.08);
        }

        .kt-sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .kt-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--kt-radius-sm);
            text-decoration: none;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-left var(--kt-transition);
            border-left: 3px solid transparent;
            white-space: nowrap;
        }

        .kt-sidebar-nav a i {
            font-size: 17px;
            width: 22px;
            text-align: center;
        }

        .kt-sidebar-nav a:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }

        .kt-sidebar-nav a.kt-active {
            background-color: rgba(200, 240, 74, 0.18);
            color: #fff;
            border-left-color: var(--kt-accent);
            font-weight: 600;
        }

        .kt-sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            white-space: nowrap;
        }

        .kt-sidebar-footer .kt-update-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            margin-right: 6px;
            animation: ktPulse 1.8s infinite;
        }

        @keyframes ktPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .kt-main {
            flex: 1;
            margin-left: var(--kt-nav-width);
            min-height: 100vh;
            width: calc(100% - var(--kt-nav-width));
            transition: margin-left var(--kt-transition), width var(--kt-transition);
        }

        .kt-desktop-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--kt-nav-width);
            height: 100vh;
            background-color: var(--kt-primary);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            overflow-y: auto;
            box-shadow: 2px 0 12px rgba(27, 58, 47, 0.12);
        }

        .kt-topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 58px;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .kt-topbar-mobile .kt-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .kt-topbar-mobile .kt-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background-color var(--kt-transition);
        }

        .kt-topbar-mobile .kt-hamburger:hover {
            background-color: rgba(200, 240, 74, 0.15);
        }

        .kt-drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(18, 35, 28, 0.6);
            z-index: 1045;
            border: none;
            padding: 0;
            width: 100%;
            height: 100%;
        }

        .kt-drawer-overlay.show {
            display: block;
        }

        .kt-mobile-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background-color: var(--kt-primary);
            z-index: 1050;
            transition: left 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.2);
        }

        .kt-mobile-drawer.open {
            left: 0;
        }

        .kt-mobile-drawer .kt-sidebar-logo {
            min-height: 58px;
            padding: 14px 16px;
            font-size: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .kt-mobile-drawer .kt-sidebar-nav {
            padding: 12px;
        }

        .kt-mobile-drawer .kt-sidebar-nav a {
            padding: 10px 12px;
            font-size: 14px;
        }

        .kt-mobile-drawer .kt-sidebar-footer {
            padding: 12px 16px;
            font-size: 11px;
        }

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

        .kt-section-alt {
            background-color: rgba(27, 58, 47, 0.03);
        }

        .kt-container {
            max-width: 1080px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .kt-breadcrumb-wrap {
            padding: 24px 0 0 0;
            font-size: 14px;
            color: var(--kt-text-secondary);
        }

        .kt-breadcrumb-wrap a {
            color: var(--kt-text-secondary);
        }

        .kt-breadcrumb-wrap a:hover {
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.25);
        }

        .kt-breadcrumb-wrap span {
            margin: 0 6px;
            color: #b0b8ae;
        }

        .kt-page-heading {
            padding: 32px 0 12px 0;
        }

        .kt-page-heading h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--kt-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .kt-page-heading .kt-page-intro {
            font-size: 16px;
            color: var(--kt-text-secondary);
            line-height: 1.9;
            max-width: 720px;
            margin-bottom: 0;
        }

        .kt-tool-card {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            padding: 24px 20px;
            height: 100%;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition), border-color var(--kt-transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .kt-tool-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(27, 58, 47, 0.2);
        }

        .kt-tool-card .kt-tool-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: rgba(27, 58, 47, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--kt-primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .kt-tool-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--kt-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .kt-tool-card p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            flex-grow: 1;
        }

        .kt-tool-card .kt-tool-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background-color: rgba(200, 240, 74, 0.35);
            color: var(--kt-primary);
            font-size: 12px;
            font-weight: 500;
            border-radius: 4px;
            padding: 4px 10px;
            width: fit-content;
            margin-top: 16px;
        }

        .kt-tool-cover {
            border-radius: var(--kt-radius-md);
            overflow: hidden;
            height: 180px;
            margin-bottom: 16px;
            background-color: rgba(27, 58, 47, 0.06);
            position: relative;
        }

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

        .kt-tool-card:hover .kt-tool-cover img {
            transform: scale(1.04);
        }

        .kt-tool-cover .kt-tool-cover-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background-color: var(--kt-highlight);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }

        .kt-stat-card {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-md);
            padding: 24px;
            text-align: center;
            box-shadow: var(--kt-shadow-sm);
            height: 100%;
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
        }

        .kt-stat-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }

        .kt-stat-card .kt-stat-number {
            font-family: var(--kt-font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--kt-primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .kt-stat-card .kt-stat-number .kt-stat-unit {
            font-size: 20px;
            font-weight: 500;
            margin-left: 2px;
        }

        .kt-stat-card .kt-stat-label {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-top: 6px;
            margin-bottom: 0;
        }

        .kt-stat-card .kt-stat-trend {
            font-size: 13px;
            color: var(--kt-highlight);
            font-weight: 500;
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .kt-stat-card .kt-stat-trend.kt-up {
            color: #2e7d4f;
        }

        .kt-stats-section {
            padding: 24px 0 12px 0;
        }

        .kt-scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .kt-scene-card {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            padding: 24px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            height: 100%;
        }

        .kt-scene-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }

        .kt-scene-card .kt-scene-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: rgba(27, 58, 47, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--kt-primary);
            flex-shrink: 0;
        }

        .kt-scene-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--kt-text-primary);
            line-height: 1.4;
        }

        .kt-scene-card p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .kt-article-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .kt-article-item {
            background: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-md);
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: box-shadow var(--kt-transition), border-color var(--kt-transition);
        }

        .kt-article-item:hover {
            box-shadow: var(--kt-shadow-hover);
            border-color: rgba(27, 58, 47, 0.2);
        }

        .kt-article-item .kt-article-title {
            font-size: 15px;
            font-weight: 500;
            color: var(--kt-text-primary);
            flex: 1;
            line-height: 1.5;
        }

        .kt-article-item .kt-article-date {
            font-size: 13px;
            color: var(--kt-text-secondary);
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .kt-article-item .kt-article-arrow {
            color: var(--kt-primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .kt-cta-section {
            padding: 32px 0 20px 0;
        }

        .kt-cta-box {
            background: var(--kt-dark-section);
            border-radius: var(--kt-radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .kt-cta-box .kt-cta-text h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .kt-cta-box .kt-cta-text p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin-bottom: 0;
            line-height: 1.7;
            max-width: 480px;
        }

        .kt-btn-primary {
            background-color: var(--kt-primary);
            color: #fff;
            border: 2px solid var(--kt-primary);
            border-radius: var(--kt-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--kt-transition), border-color var(--kt-transition), color var(--kt-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .kt-btn-primary:hover {
            background-color: var(--kt-primary-dark);
            border-color: var(--kt-primary-dark);
            color: #fff;
        }

        .kt-btn-accent {
            background-color: var(--kt-accent);
            color: var(--kt-primary);
            border: 2px solid var(--kt-accent);
            border-radius: var(--kt-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--kt-transition), border-color var(--kt-transition), color var(--kt-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .kt-btn-accent:hover {
            background-color: #d4f55e;
            border-color: #d4f55e;
            color: var(--kt-primary);
        }

        .kt-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--kt-radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--kt-transition), border-color var(--kt-transition), color var(--kt-transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .kt-btn-outline:hover {
            background-color: rgba(200, 240, 74, 0.15);
            border-color: var(--kt-accent);
            color: #fff;
        }

        .kt-footer {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 32px 24px;
            margin-top: 0;
        }

        .kt-footer .kt-footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .kt-footer .kt-footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

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

        .kt-footer-links li {
            margin-bottom: 6px;
        }

        .kt-footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 13px;
            transition: color var(--kt-transition);
        }

        .kt-footer-links a:hover {
            color: #fff;
            background-color: transparent;
        }

        .kt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .kt-section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--kt-primary);
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }

        .kt-section-subtitle {
            font-size: 15px;
            color: var(--kt-text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 680px;
        }

        .kt-row-mobile-py {
            padding: 0;
        }

        @media (max-width: 1199px) {
            :root {
                --kt-nav-width: 220px;
                --kt-section-padding: 68px;
            }
            .kt-container {
                max-width: 920px;
                padding: 0 24px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --kt-section-padding: 52px;
                --kt-section-padding-mobile: 44px;
            }
            .kt-desktop-sidebar {
                display: none;
            }
            .kt-main {
                margin-left: 0;
                width: 100%;
            }
            .kt-topbar-mobile {
                display: flex;
            }
            .kt-container {
                padding: 0 20px;
                max-width: 100%;
            }
            .kt-section {
                padding: var(--kt-section-padding) 0;
            }
            .kt-main-content {
                padding-top: 58px;
            }
            .kt-page-heading h1 {
                font-size: 32px;
            }
            .kt-scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .kt-tool-cover {
                height: 160px;
            }
            .kt-cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .kt-cta-box .kt-cta-text p {
                max-width: 100%;
            }
        }

        @media (max-width: 767px) {
            :root {
                --kt-section-padding: 44px;
                --kt-section-padding-mobile: 36px;
            }
            .kt-container {
                padding: 0 16px;
            }
            .kt-page-heading h1 {
                font-size: 26px;
            }
            .kt-section-title {
                font-size: 22px;
            }
            .kt-scene-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .kt-tool-cover {
                height: 200px;
            }
            .kt-stat-card .kt-stat-number {
                font-size: 34px;
            }
            .kt-stat-card .kt-stat-number .kt-stat-unit {
                font-size: 16px;
            }
            .kt-cta-box {
                padding: 28px 20px;
            }
            .kt-cta-box .kt-cta-text h3 {
                font-size: 18px;
            }
            .kt-footer {
                padding: 36px 20px 20px;
            }
            .kt-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .kt-article-item {
                flex-wrap: wrap;
            }
            .kt-article-item .kt-article-date {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .kt-page-heading h1 {
                font-size: 22px;
            }
            .kt-section-title {
                font-size: 20px;
            }
            .kt-tool-card {
                padding: 18px 14px;
            }
            .kt-tool-card h3 {
                font-size: 16px;
            }
            .kt-stat-card {
                padding: 16px;
            }
            .kt-btn-primary,
            .kt-btn-accent,
            .kt-btn-outline {
                width: 100%;
                justify-content: center;
            }
            .kt-scene-card {
                padding: 18px 16px;
            }
            .kt-cta-box {
                padding: 22px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --kt-primary: #1b3a2f;
            --kt-primary-dark: #12231c;
            --kt-accent: #c8f04a;
            --kt-bg: #fafaf5;
            --kt-card-bg: #ffffff;
            --kt-dark-section: #12231c;
            --kt-highlight: #e85d3a;
            --kt-text-primary: #1e1e1a;
            --kt-text-secondary: #5c6b60;
            --kt-border: #e4e7e2;
            --kt-radius-sm: 8px;
            --kt-radius-md: 12px;
            --kt-radius-lg: 16px;
            --kt-shadow-sm: 0 2px 8px rgba(27, 58, 47, 0.06);
            --kt-shadow-hover: 0 8px 20px rgba(27, 58, 47, 0.12);
            --kt-font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --kt-font-num: "DIN Alternate", "Bebas Neue", "Inter", sans-serif;
            --kt-nav-width: 260px;
            --kt-nav-collapsed: 220px;
            --kt-section-padding: 68px;
            --kt-section-padding-mobile: 44px;
            --kt-transition: 0.25s ease;
            --kt-focus-ring: 2px solid #c8f04a;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--kt-font-cn);
            background-color: var(--kt-bg);
            color: var(--kt-text-primary);
            line-height: 1.8;
            font-weight: 400;
            font-size: 16px;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--kt-primary);
            text-decoration: none;
            transition: color var(--kt-transition), background-color var(--kt-transition), border-color var(--kt-transition);
        }
        a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }
        .kt-sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px;
            min-height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .kt-sidebar-logo i {
            font-size: 26px;
            color: var(--kt-accent);
        }
        .kt-sidebar-logo:hover {
            color: #fff;
            background-color: rgba(200, 240, 74, 0.08);
        }
        .kt-sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .kt-sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--kt-radius-sm);
            text-decoration: none;
            transition: background-color var(--kt-transition), color var(--kt-transition), border-left var(--kt-transition);
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .kt-sidebar-nav a i {
            font-size: 17px;
            width: 22px;
            text-align: center;
        }
        .kt-sidebar-nav a:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }
        .kt-sidebar-nav a.kt-active {
            background-color: rgba(200, 240, 74, 0.18);
            color: #fff;
            border-left-color: var(--kt-accent);
            font-weight: 600;
        }
        .kt-sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.5;
            white-space: nowrap;
        }
        .kt-sidebar-footer .kt-update-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            margin-right: 6px;
            animation: ktPulse 1.8s infinite;
        }
        @keyframes ktPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .kt-main {
            margin-left: var(--kt-nav-width);
            min-height: 100vh;
            width: calc(100% - var(--kt-nav-width));
            transition: margin-left var(--kt-transition), width var(--kt-transition);
        }
        .kt-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--kt-nav-width);
            height: 100vh;
            background-color: var(--kt-primary);
            display: flex;
            flex-direction: column;
            z-index: 1030;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.08);
        }
        .kt-topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 58px;
            background-color: var(--kt-primary);
            color: #fff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .kt-topbar-mobile .kt-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .kt-topbar-mobile .kt-hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color var(--kt-transition);
        }
        .kt-topbar-mobile .kt-hamburger:hover {
            background-color: rgba(200, 240, 74, 0.15);
        }
        .kt-topbar-mobile .kt-mobile-status {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .kt-topbar-mobile .kt-mobile-status .kt-update-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            animation: ktPulse 1.8s infinite;
        }
        .kt-drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(18, 35, 28, 0.6);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--kt-transition);
        }
        .kt-drawer-overlay.kt-open {
            opacity: 1;
        }
        .kt-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background-color: var(--kt-primary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: left var(--kt-transition);
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
        }
        .kt-drawer.kt-open {
            left: 0;
        }
        .kt-drawer .kt-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            min-height: 62px;
        }
        .kt-drawer .kt-drawer-header span {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .kt-drawer .kt-drawer-header button {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.8);
            font-size: 20px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color var(--kt-transition);
        }
        .kt-drawer .kt-drawer-header button:hover {
            background-color: rgba(200, 240, 74, 0.15);
            color: #fff;
        }
        .kt-drawer .kt-sidebar-nav {
            padding: 18px 14px;
        }
        .kt-drawer .kt-sidebar-footer {
            margin-top: auto;
        }
        .kt-page-content {
            padding: 0 32px 0 32px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .kt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--kt-text-secondary);
            padding: 20px 0 0 0;
            flex-wrap: wrap;
        }
        .kt-breadcrumb a {
            color: var(--kt-text-secondary);
            text-decoration: none;
            transition: color var(--kt-transition);
        }
        .kt-breadcrumb a:hover {
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.25);
            border-radius: 4px;
            padding: 0 4px;
        }
        .kt-breadcrumb .kt-breadcrumb-sep {
            color: #b0b8b3;
        }
        .kt-breadcrumb .kt-breadcrumb-current {
            color: var(--kt-text-primary);
            font-weight: 500;
        }
        .kt-category-hero {
            padding: 40px 0 32px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .kt-category-hero .kt-category-hero-text {
            flex: 1 1 55%;
            min-width: 280px;
        }
        .kt-category-hero .kt-category-hero-text h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--kt-primary);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .kt-category-hero .kt-category-hero-text .kt-category-hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--kt-text-secondary);
            margin: 0;
            max-width: 600px;
        }
        .kt-category-hero .kt-category-hero-visual {
            flex: 0 0 32%;
            min-width: 260px;
            border-radius: var(--kt-radius-lg);
            overflow: hidden;
            box-shadow: var(--kt-shadow-hover);
            border: 1px solid var(--kt-border);
            background-color: var(--kt-card-bg);
        }
        .kt-category-hero .kt-category-hero-visual img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .kt-category-hero .kt-category-hero-visual .kt-visual-caption {
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--kt-text-secondary);
            border-top: 1px solid var(--kt-border);
        }
        .kt-category-hero .kt-category-hero-visual .kt-visual-caption .kt-live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--kt-accent);
            animation: ktPulse 1.5s infinite;
        }
        .kt-section {
            padding: var(--kt-section-padding) 0;
            border-top: 1px solid var(--kt-border);
        }
        .kt-section:first-of-type {
            border-top: 0;
        }
        .kt-section-title {
            font-size: 26px;
            font-weight: 600;
            line-height: 1.35;
            color: var(--kt-primary);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .kt-section-subtitle {
            font-size: 15px;
            color: var(--kt-text-secondary);
            margin: 0 0 28px;
            line-height: 1.7;
        }
        .kt-tool-card {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            overflow: hidden;
            box-shadow: var(--kt-shadow-sm);
            transition: transform var(--kt-transition), box-shadow var(--kt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .kt-tool-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--kt-shadow-hover);
        }
        .kt-tool-card .kt-tool-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .kt-tool-card .kt-tool-card-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .kt-tool-card .kt-tool-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .kt-tool-card .kt-tool-card-tags .kt-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--kt-primary);
            background-color: var(--kt-accent);
            border-radius: 4px;
            padding: 2px 10px;
            line-height: 1.5;
        }
        .kt-tool-card .kt-tool-card-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--kt-text-primary);
            margin: 0 0 8px;
            letter-spacing: 0.2px;
        }
        .kt-tool-card .kt-tool-card-title a {
            color: var(--kt-text-primary);
            text-decoration: none;
            transition: color var(--kt-transition);
        }
        .kt-tool-card .kt-tool-card-title a:hover {
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.25);
            border-radius: 4px;
        }
        .kt-tool-card .kt-tool-card-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--kt-text-secondary);
            margin: 0 0 14px;
            flex: 1;
        }
        .kt-tool-card .kt-tool-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--kt-text-secondary);
            border-top: 1px solid var(--kt-border);
            padding-top: 12px;
        }
        .kt-tool-card .kt-tool-card-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .kt-tool-card .kt-tool-card-meta i {
            font-size: 13px;
            color: var(--kt-primary);
        }
        .kt-metrics-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 8px;
        }
        .kt-metric-card {
            flex: 1 1 180px;
            min-width: 150px;
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-md);
            padding: 24px 20px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
        }
        .kt-metric-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-2px);
        }
        .kt-metric-card .kt-metric-value {
            font-family: var(--kt-font-num);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--kt-primary);
            letter-spacing: 0.5px;
            font-variant-numeric: tabular-nums;
        }
        .kt-metric-card .kt-metric-label {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin-top: 4px;
            line-height: 1.5;
        }
        .kt-metric-card .kt-metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.35);
            border-radius: 4px;
            padding: 2px 8px;
            margin-top: 8px;
        }
        .kt-topic-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 8px;
        }
        .kt-topic-card {
            flex: 1 1 240px;
            min-width: 220px;
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-lg);
            padding: 24px 22px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition), transform var(--kt-transition);
        }
        .kt-topic-card:hover {
            box-shadow: var(--kt-shadow-hover);
            transform: translateY(-3px);
        }
        .kt-topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--kt-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .kt-topic-card p {
            font-size: 14px;
            color: var(--kt-text-secondary);
            line-height: 1.7;
            margin: 0 0 12px;
        }
        .kt-topic-card a {
            font-size: 14px;
            font-weight: 500;
            color: var(--kt-primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--kt-transition);
        }
        .kt-topic-card a:hover {
            color: var(--kt-primary-dark);
            background-color: rgba(200, 240, 74, 0.25);
            border-radius: 4px;
            padding: 0 4px;
        }
        .kt-article-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .kt-article-list li {
            background-color: var(--kt-card-bg);
            border: 1px solid var(--kt-border);
            border-radius: var(--kt-radius-md);
            padding: 18px 20px;
            box-shadow: var(--kt-shadow-sm);
            transition: box-shadow var(--kt-transition);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }
        .kt-article-list li:hover {
            box-shadow: var(--kt-shadow-hover);
        }
        .kt-article-list .kt-article-info {
            flex: 1;
            min-width: 200px;
        }
        .kt-article-list .kt-article-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--kt-text-primary);
            margin: 0 0 6px;
            line-height: 1.5;
        }
        .kt-article-list .kt-article-title a {
            color: var(--kt-text-primary);
            text-decoration: none;
            transition: color var(--kt-transition);
        }
        .kt-article-list .kt-article-title a:hover {
            color: var(--kt-primary);
            background-color: rgba(200, 240, 74, 0.25);
            border-radius: 4px;
        }
        .kt-article-list .kt-article-desc {
            font-size: 14px;
            color: var(--kt-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .kt-article-list .kt-article-date {
            font-size: 13px;
            color: var(--kt-text-secondary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .kt-article-list .kt-article-date i {
            color: var(--kt-primary);
        }
        .kt-cta-section {
            background-color: var(--kt-dark-section);
            border-radius: var(--kt-radius-lg);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .kt-cta-section .kt-cta-text {
            flex: 1 1 40%;
            min-width: 260px;
        }
        .kt-cta-section .kt-cta-text h2 {
            font-size: 24px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .kt-cta-section .kt-cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            line-height: 1.7;
        }
        .kt-cta-section .kt-cta-form {
            flex: 1 1 45%;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .kt-cta-section .kt-cta-form .form-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .kt-cta-section .kt-cta-form .form-group input,
        .kt-cta-section .kt-cta-form .form-group select {
            flex: 1 1 160px;
            min-width: 140px;
            padding: 10px 14px;
            border-radius: var(--kt-radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            transition: border-color var(--kt-transition), background-color var(--kt-transition);
        }
        .kt-cta-section .kt-cta-form .form-group input::placeholder,
        .kt-cta-section .kt-cta-form .form-group select::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .kt-cta-section .kt-cta-form .form-group input:focus,
        .kt-cta-section .kt-cta-form .form-group select:focus {
            border-color: var(--kt-accent);
            background-color: rgba(255, 255, 255, 0.18);
            outline: none;
            box-shadow: 0 0 0 2px rgba(200, 240, 74, 0.4);
        }
        .kt-cta-section .kt-cta-form .form-group select option {
            color: var(--kt-text-primary);
            background-color: #fff;
        }
        .kt-btn-primary {
            background-color: var(--kt-primary);
            color: #fff;
            border: 1px solid var(--kt-primary);
            border-radius: var(--kt-radius-sm);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color var(--kt-transition), border-color var(--kt-transition), color var(--kt-transition);
            white-space: nowrap;
        }
        .kt-btn-primary:hover {
            background-color: var(--kt-primary-dark);
            border-color: var(--kt-accent);
            color: #fff;
        }
        .kt-btn-primary:focus-visible {
            outline: var(--kt-focus-ring);
            outline-offset: 2px;
        }
        .kt-footer {
            background-color: var(--kt-dark-section);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 32px 30px;
            margin-top: 40px;
            width: 100%;
        }
        .kt-footer .kt-footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .kt-footer .kt-footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .kt-footer .kt-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .kt-footer .kt-footer-links li {
            margin-bottom: 6px;
        }
        .kt-footer .kt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--kt-transition);
        }
        .kt-footer .kt-footer-links a:hover {
            color: var(--kt-accent);
            background-color: rgba(200, 240, 74, 0.1);
            border-radius: 4px;
        }
        .kt-footer .kt-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 18px;
            margin-top: 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            gap: 10px;
        }
        @media (max-width: 1199px) {
            :root {
                --kt-nav-width: 220px;
                --kt-section-padding: 44px;
            }
            .kt-page-content {
                padding: 0 24px 0 24px;
            }
        }
        @media (max-width: 991px) {
            .kt-sidebar {
                display: none;
            }
            .kt-topbar-mobile {
                display: flex;
            }
            .kt-drawer-overlay {
                display: block;
            }
            .kt-main {
                margin-left: 0;
                width: 100%;
                padding-top: 58px;
            }
            .kt-page-content {
                padding: 0 20px 0 20px;
            }
            .kt-category-hero .kt-category-hero-text h1 {
                font-size: 34px;
            }
            .kt-tool-card .kt-tool-card-img {
                height: 160px;
            }
            .kt-section {
                padding: var(--kt-section-padding) 0;
            }
            .kt-cta-section {
                padding: 30px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 767px) {
            .kt-category-hero {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                padding: 28px 0 20px;
            }
            .kt-category-hero .kt-category-hero-text h1 {
                font-size: 28px;
            }
            .kt-category-hero .kt-category-hero-text .kt-category-hero-desc {
                font-size: 15px;
            }
            .kt-category-hero .kt-category-hero-visual {
                flex: 0 0 100%;
                width: 100%;
                min-width: 0;
            }
            .kt-category-hero .kt-category-hero-visual img {
                height: 160px;
            }
            .kt-section-title {
                font-size: 22px;
            }
            .kt-metric-card .kt-metric-value {
                font-size: 28px;
            }
            .kt-topic-card {
                padding: 18px 16px;
            }
            .kt-article-list li {
                flex-direction: column;
                gap: 8px;
            }
            .kt-article-list .kt-article-date {
                white-space: normal;
            }
            .kt-footer {
                padding: 36px 20px 20px;
            }
            .kt-footer .kt-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .kt-cta-section .kt-cta-form .form-group input,
            .kt-cta-section .kt-cta-form .form-group select {
                flex: 1 1 100%;
                min-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .kt-category-hero .kt-category-hero-text h1 {
                font-size: 24px;
            }
            .kt-breadcrumb {
                font-size: 12px;
                padding: 14px 0 0;
            }
            .kt-tool-card .kt-tool-card-img {
                height: 140px;
            }
            .kt-tool-card .kt-tool-card-title {
                font-size: 16px;
            }
            .kt-section {
                padding: var(--kt-section-padding-mobile) 0;
            }
            .kt-metric-card {
                padding: 18px 14px;
            }
            .kt-metric-card .kt-metric-value {
                font-size: 24px;
            }
            .kt-cta-section {
                padding: 22px 16px;
            }
            .kt-cta-section .kt-cta-text h2 {
                font-size: 20px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}