/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #FF7A1A;
            --primary-dark: #E85D04;
            --primary-light: #FFD166;
            --dark: #16181D;
            --dark-2: #1E2228;
            --bg-light: #F5F6F8;
            --card-bg: #FFFFFF;
            --success: #00C896;
            --text-body: #4A4F57;
            --text-light: #9CA3AF;
            --text-lighter: #B8BEC9;
            --border: #ECEFF3;
            --border-dark: #2A2F38;
            --radius-lg: 20px;
            --radius-md: 12px;
            --shadow-sm: 0 2px 10px rgba(22, 24, 29, 0.06);
            --shadow-md: 0 8px 24px rgba(22, 24, 29, 0.10);
            --shadow-lg: 0 12px 40px rgba(255, 122, 26, 0.20);
            --gradient-primary: linear-gradient(135deg, #FF8A3D, #FF6A00);
            --transition: all .25s ease;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            color: var(--dark);
            font-variant-numeric: tabular-nums;
        }
        p {
            margin: 0;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            height: 72px;
            background: var(--dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .site-header .navbar {
            height: 72px;
            padding: 0;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .site-header .brand-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-primary);
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.35);
        }
        .site-header .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .brand-text em {
            font-style: normal;
            color: var(--primary-light);
        }
        .site-header .navbar-nav {
            gap: 4px;
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 14px !important;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .site-header .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            width: 0;
            height: 4px;
            border-radius: 999px;
            background: var(--gradient-primary);
            transition: all .3s ease;
            transform: translateX(-50%);
        }
        .site-header .nav-link.active {
            color: var(--primary-light);
        }
        .site-header .nav-link.active::after {
            width: 20px;
        }
        .site-header .navbar-toggler {
            border: none;
            padding: 6px;
            color: #fff;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(255, 122, 26, 0.5);
        }
        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,255,255,0.85)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        .site-header .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 5px 14px;
            white-space: nowrap;
        }
        .status-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 8px var(--success);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 200, 150, 0.5); }
            70% { box-shadow: 0 0 0 8px rgba(0, 200, 150, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 200, 150, 0); }
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #FF9A5D, #E85D04);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 44px rgba(255, 122, 26, 0.28);
        }
        .btn-primary:active {
            transform: translateY(2px);
        }
        .btn-primary:focus {
            outline: 3px solid rgba(255, 122, 26, 0.4);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 122, 26, 0.2);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 15px 40px;
            font-size: 16px;
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ===== Hero 区域 ===== */
        .hero {
            position: relative;
            padding: 96px 0 100px;
            background: var(--dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 15% 30%, rgba(255, 122, 26, 0.22) 0%, transparent 60%),
                linear-gradient(135deg, rgba(22, 24, 29, 0.95) 0%, rgba(22, 24, 29, 0.75) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .accent {
            color: var(--primary-light);
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            margin-bottom: 36px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 指标看板 ===== */
        .metric-dashboard {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 20px;
            backdrop-filter: blur(8px);
        }
        .metric-dashboard .row {
            row-gap: 12px;
        }
        .metric-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 22px 20px;
            box-shadow: var(--shadow-md);
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .metric-card .metric-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--success);
            background: rgba(0, 200, 150, 0.1);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .metric-card .metric-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1;
            margin-bottom: 8px;
        }
        .metric-card .metric-num span {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            margin-left: 2px;
        }
        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
        }
        .metric-card .offset-md-1 {
            transform: translateY(12px);
        }

        /* ===== 通用区块标题 ===== */
        .section {
            padding: 90px 0;
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: "";
            width: 24px;
            height: 3px;
            border-radius: 999px;
            background: var(--gradient-primary);
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 460px;
        }

        /* ===== 服务矩阵 ===== */
        .service-section {
            background: var(--bg-light);
            padding: 90px 0;
        }
        .service-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            height: 100%;
            position: relative;
            transition: var(--transition);
            overflow: hidden;
        }
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 22px;
            box-shadow: 0 6px 20px rgba(255, 122, 26, 0.25);
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 20px;
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .service-link i {
            transition: transform .25s ease;
        }
        .service-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .hot-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, #FFD166, #FFB347);
            color: var(--dark);
            font-size: 12px;
            font-weight: 800;
            border-radius: 999px;
            padding: 4px 14px;
            box-shadow: 0 4px 12px rgba(255, 179, 71, 0.4);
            letter-spacing: 0.5px;
        }
        .service-card .card-img-top {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 22px;
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            background: var(--bg-light);
            padding: 0 0 90px;
        }
        .compare-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            padding: 48px 40px;
        }
        .compare-col {
            padding: 24px;
        }
        .compare-col.left {
            border-right: 1px solid var(--border);
        }
        .compare-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-title .icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .compare-title .icon.bad {
            background: rgba(156, 163, 175, 0.15);
            color: var(--text-light);
        }
        .compare-title .icon.good {
            background: rgba(255, 122, 26, 0.12);
            color: var(--primary);
        }
        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            font-weight: 500;
            line-height: 1.6;
            color: var(--text-body);
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
        }
        .compare-list li .b-icon {
            flex-shrink: 0;
            font-size: 14px;
            margin-top: 2px;
        }
        .compare-list li .b-icon.bad {
            color: var(--text-light);
        }
        .compare-list li .b-icon.good {
            color: var(--primary);
        }
        .compare-list li .badge-success {
            margin-left: auto;
            background: rgba(0, 200, 150, 0.12);
            color: var(--success);
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            padding: 3px 10px;
            white-space: nowrap;
        }
        .compare-divider {
            width: 1px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
            margin: 0 auto;
        }

        /* ===== 资讯卡片 ===== */
        .news-section {
            background: var(--bg-light);
            padding-bottom: 90px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            display: flex;
            gap: 20px;
            align-items: center;
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-thumb {
            width: 160px;
            height: 90px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
            background: var(--gradient-primary);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-thumb .thumb-watermark {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            font-weight: 600;
            background: linear-gradient(135deg, rgba(255, 122, 26, 0.6), rgba(232, 93, 4, 0.6));
            letter-spacing: 1px;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info .news-cat {
            display: inline-block;
            background: rgba(255, 122, 26, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            padding: 3px 12px;
            margin-bottom: 8px;
        }
        .news-info h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--dark);
        }
        .news-info h3 a {
            color: var(--dark);
        }
        .news-info h3 a:hover {
            color: var(--primary);
        }
        .news-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .news-meta i {
            margin-right: 4px;
            font-size: 12px;
        }
        .empty-state {
            background: var(--card-bg);
            border: 2px dashed var(--border);
            border-radius: 16px;
            padding: 48px 20px;
            text-align: center;
            color: var(--text-light);
            font-size: 14px;
        }
        .empty-state i {
            font-size: 32px;
            display: block;
            margin-bottom: 12px;
            color: var(--text-lighter);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding-bottom: 90px;
        }
        .faq-section .section-head {
            margin-bottom: 40px;
        }
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid #F0F0F0 !important;
            border-radius: 16px !important;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-button {
            background: var(--card-bg);
            color: var(--dark);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: 16px !important;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .accordion-button::after {
            display: none;
        }
        .accordion-button .acc-plus {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255, 122, 26, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .accordion-button:hover .acc-plus {
            background: var(--primary);
            color: #fff;
        }
        .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--dark);
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) .acc-plus {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .accordion-button::before {
            content: "";
            width: 4px;
            height: 24px;
            border-radius: 999px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed)::before {
            opacity: 1;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(255, 122, 26, 0.3);
        }
        .accordion-body {
            padding: 0 24px 24px 64px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-body);
        }

        /* ===== 表单区块 ===== */
        .contact-section {
            background: var(--dark);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .contact-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.15) 0%, transparent 70%);
        }
        .contact-section .section-title {
            color: #fff;
        }
        .contact-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }
        .contact-card {
            background: var(--card-bg);
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            padding: 36px;
            margin-top: 40px;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .form-control,
        .form-select {
            height: 48px;
            border-radius: 12px;
            background: #F8F9FA;
            border: 1px solid #E5E7EB;
            font-size: 15px;
            color: var(--dark);
            padding: 0 16px;
            transition: var(--transition);
            box-shadow: none;
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.15);
        }
        .form-control::placeholder,
        .form-select::placeholder {
            color: var(--text-light);
        }
        textarea.form-control {
            height: auto;
            padding: 16px;
            resize: vertical;
            min-height: 100px;
        }
        .form-select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 6l6 6 6-6'/%3E%3C/svg%3E");
            background-size: 16px;
            background-position: right 16px center;
        }
        .form-error-text {
            font-size: 12px;
            color: #DC2626;
            margin-top: 6px;
            display: none;
        }
        .btn-submit {
            width: 100%;
            min-height: 48px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-logo {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--gradient-primary);
            color: #fff;
            font-size: 14px;
        }
        .site-footer .footer-brand .brand-text {
            font-size: 16px;
            font-weight: 800;
            color: #fff;
        }
        .site-footer .footer-brand .brand-text em {
            font-style: normal;
            color: var(--primary-light);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .site-footer h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-links a:hover {
            color: var(--primary);
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
        }
        .site-footer .footer-contact i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .site-header {
                height: auto;
                min-height: 72px;
            }
            .site-header .navbar {
                height: auto;
                min-height: 72px;
                flex-wrap: wrap;
                padding: 8px 0;
            }
            .site-header .navbar-collapse {
                background: var(--dark);
                border-radius: 16px;
                padding: 16px;
                margin-top: 8px;
                border: 1px solid var(--border-dark);
            }
            .site-header .navbar-nav {
                flex-direction: column;
                gap: 4px;
            }
            .site-header .header-actions {
                margin-top: 16px;
                justify-content: flex-start;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }
            .hero {
                padding: 64px 0;
            }
            .hero h1 {
                font-size: 32px;
            }
            .metric-card .offset-md-1 {
                transform: none;
            }
            .metric-dashboard {
                margin-top: 32px;
            }
            .section {
                padding: 64px 0;
            }
            .service-section,
            .news-section,
            .faq-section {
                padding: 64px 0;
            }
            .compare-card {
                padding: 24px;
            }
            .compare-col.left {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding-bottom: 32px;
            }
            .compare-divider {
                height: 1px;
                width: 100%;
                background: linear-gradient(90deg, var(--primary) 0%, transparent 100%);
                margin: 0 auto;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .accordion-body {
                padding-left: 24px;
            }
            .contact-section {
                padding: 64px 0;
            }
        }
        @media (max-width: 575.98px) {
            .section-title {
                font-size: 28px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .metric-card .metric-num {
                font-size: 24px;
            }
            .contact-card {
                padding: 20px;
            }
            .site-footer .row>div {
                margin-bottom: 32px;
            }
            .status-tag {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF7A1A;
            --primary-dark: #E85D04;
            --primary-light: #FFD166;
            --dark: #16181D;
            --dark-soft: #1E2128;
            --bg: #F5F6F8;
            --card-bg: #FFFFFF;
            --success: #00C896;
            --text: #2A2E35;
            --text-gray: #4A4F57;
            --text-light: #9CA3AF;
            --border: #ECEFF3;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(22, 24, 29, 0.06);
            --shadow-md: 0 8px 24px rgba(22, 24, 29, 0.10);
            --shadow-lg: 0 12px 40px rgba(255, 122, 26, 0.20);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --gradient-primary: linear-gradient(135deg, #FF8A3D, #FF6A00);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            font-size: 15px;
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

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

        .container {
            max-width: 1200px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(22, 24, 29, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .site-header .navbar {
            padding: 12px 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 0;
        }
        .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.35);
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.3px;
            transition: color 0.3s ease;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--primary);
            font-weight: 700;
            margin-left: 2px;
            text-transform: lowercase;
        }
        .site-header.scrolled .brand-text {
            color: var(--text);
        }
        .site-header.scrolled .brand-text em {
            color: var(--primary);
        }

        .navbar-nav .nav-item {
            margin: 0 4px;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 8px;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
        }
        .navbar-nav .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }
        .site-header.scrolled .navbar-nav .nav-link {
            color: var(--text-gray) !important;
        }
        .site-header.scrolled .navbar-nav .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(255, 122, 26, 0.06);
        }
        .site-header.scrolled .navbar-nav .nav-link.active {
            color: var(--primary) !important;
        }
        .site-header.scrolled .navbar-nav .nav-link.active::after {
            background: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(0, 200, 150, 0.12);
            border: 1px solid rgba(0, 200, 150, 0.25);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .status-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 8px rgba(0, 200, 150, 0.6);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 8px rgba(0, 200, 150, 0.6); }
            50% { box-shadow: 0 0 16px rgba(0, 200, 150, 0.2); }
        }
        .site-header.scrolled .status-tag {
            color: var(--text-gray);
            background: rgba(0, 200, 150, 0.08);
            border-color: rgba(0, 200, 150, 0.3);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 10px;
            border-radius: 8px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .site-header.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(42,46,53,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .site-header.scrolled .navbar-toggler {
            border-color: rgba(42, 46, 53, 0.2);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(22, 24, 29, 0.98);
                border-radius: 16px;
                padding: 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .site-header.scrolled .navbar-collapse {
                background: #fff;
                border-color: var(--border);
            }
            .navbar-nav .nav-link {
                padding: 12px 16px !important;
            }
            .header-actions {
                margin-top: 16px;
                padding-top: 16px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                justify-content: flex-start;
            }
            .site-header.scrolled .header-actions {
                border-top-color: var(--border);
            }
        }

        @media (max-width: 575.98px) {
            .status-tag {
                display: none;
            }
            .brand-text {
                font-size: 18px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            padding: 10px 24px;
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 122, 26, 0.25);
        }
        .btn-primary:hover {
            background: var(--gradient-primary);
            filter: brightness(1.05);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 122, 26, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 122, 26, 0.2);
        }
        .btn-primary:focus {
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.3);
        }
        .btn-outline-light {
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            background: transparent;
            border-radius: var(--radius-md);
            padding: 10px 24px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 122, 26, 0.2);
            border-color: rgba(255, 122, 26, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== Category Banner ===== */
        .category-banner {
            background: linear-gradient(100deg, rgba(22, 24, 29, 0.88) 0%, rgba(22, 24, 29, 0.65) 55%, rgba(22, 24, 29, 0.35) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 110px 0 90px;
            position: relative;
            border-bottom: 4px solid rgba(255, 122, 26, 0.3);
        }
        .category-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 122, 26, 0.18);
            border: 1px solid rgba(255, 122, 26, 0.35);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
        }
        .category-banner h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .category-banner .banner-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 32px;
        }
        .banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .breadcrumb-nav .breadcrumb {
            margin: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
        }
        .breadcrumb-nav .breadcrumb-item a {
            color: var(--text-gray);
        }
        .breadcrumb-nav .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .breadcrumb-item.active {
            color: var(--primary);
        }
        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            color: #ccc;
            content: "/";
        }

        @media (max-width: 767.98px) {
            .category-banner {
                padding: 70px 0 60px;
            }
            .category-banner h1 {
                font-size: 32px;
            }
            .category-banner .banner-subtitle {
                font-size: 15px;
            }
        }

        /* ===== Metrics Band ===== */
        .metrics-section {
            padding: 70px 0 60px;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .metrics-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.22), transparent 70%);
            pointer-events: none;
        }
        .metric-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
        }
        .metric-value {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }
        .metric-value .unit {
            font-size: 22px;
            font-weight: 700;
            margin-left: 2px;
            color: var(--text-gray);
        }
        .metric-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 0.5px;
        }
        .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 122, 26, 0.1);
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 16px;
        }

        @media (max-width: 767.98px) {
            .metrics-section {
                padding: 50px 0 40px;
            }
            .metric-value {
                font-size: 32px;
            }
        }

        /* ===== Section Headers ===== */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 15px;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .header-line {
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--gradient-primary);
            margin: 14px auto 0;
        }

        @media (max-width: 767.98px) {
            .section-header h2 {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== Features ===== */
        .features-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-card:hover::before {
            transform: scaleX(1);
        }
        .feature-card.hot-card {
            box-shadow: var(--shadow-md);
        }
        .feature-card.hot-card::after {
            content: 'HOT';
            position: absolute;
            top: 16px;
            right: -30px;
            background: var(--primary-light);
            color: var(--dark);
            font-size: 11px;
            font-weight: 800;
            padding: 5px 36px;
            transform: rotate(45deg);
            letter-spacing: 1px;
        }
        @media (min-width: 992px) {
            .feature-card.mt-lg-4 {
                margin-top: -12px;
            }
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(255, 122, 26, 0.3);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .feature-card p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .feature-link {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-link:hover {
            color: var(--primary);
        }
        .feature-link i {
            transition: transform 0.25s ease;
        }
        .feature-link:hover i {
            transform: translateX(4px);
        }

        /* ===== News Cards ===== */
        .news-section {
            padding: 80px 0;
            background: #fff;
        }
        .news-card-wrap {
            margin-bottom: 24px;
        }
        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid #f0f0f0;
            display: flex;
            flex-direction: row;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card .news-thumb {
            width: 180px;
            min-width: 180px;
            position: relative;
            overflow: hidden;
            display: block;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-card .news-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .badge-cat {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 122, 26, 0.1);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            width: auto;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            transition: color 0.25s ease;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover h3 {
            color: var(--primary);
        }
        .news-card .news-excerpt {
            color: var(--text-gray);
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
        }
        .news-meta i {
            margin-right: 4px;
        }

        @media (max-width: 767.98px) {
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .news-section {
                padding: 50px 0;
            }
        }

        /* ===== Scenario ===== */
        .scenario-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #f0f0f0;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .scenario-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .scenario-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: rgba(255, 122, 26, 0.08);
            border: 1px solid rgba(255, 122, 26, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 18px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .scenario-card p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Process ===== */
        .process-section {
            padding: 80px 0;
            background: #fff;
        }
        .process-step {
            text-align: center;
            padding: 30px 24px;
            position: relative;
        }
        .process-step .step-num {
            font-size: 56px;
            font-weight: 800;
            color: rgba(255, 122, 26, 0.2);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
            font-variant-numeric: tabular-nums;
            letter-spacing: -2px;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .process-step p {
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -10px;
            transform: translateY(-50%);
            color: var(--primary-light);
            font-size: 22px;
            z-index: 2;
        }
        @media (max-width: 991.98px) {
            .process-arrow {
                display: none;
            }
            .process-step {
                margin-bottom: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-section .accordion {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--card-bg);
            border: none !important;
            border-radius: var(--radius-lg) !important;
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            box-shadow: none !important;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 20px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg) !important;
            position: relative;
        }
        .accordion-button::after {
            display: none;
        }
        .accordion-button::before {
            content: '+';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #F5F6F8;
            color: var(--text-gray);
            font-size: 18px;
            font-weight: 400;
            margin-right: 14px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }
        .accordion-button:not(.collapsed)::before {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.15) !important;
        }
        .accordion-body {
            padding: 0 24px 22px 64px;
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.25), transparent 70%);
            pointer-events: none;
        }
        .cta-card {
            background: var(--gradient-primary);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(255, 122, 26, 0.35);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        .cta-card h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-card .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-radius: var(--radius-md);
            padding: 13px 36px;
            font-weight: 700;
            position: relative;
            z-index: 1;
            transition: all 0.3s ease;
        }
        .cta-card .btn-light:hover {
            background: var(--dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(22, 24, 29, 0.3);
        }

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-card {
                padding: 40px 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
        }
        .site-footer .footer-brand .brand-logo {
            width: 30px;
            height: 30px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            text-align: center;
            margin-top: 50px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

/* roulang page: article */
:root {
            --primary: #FF7A1A;
            --primary-dark: #E85D04;
            --primary-light: #FFD166;
            --dark: #16181D;
            --bg-light: #F5F6F8;
            --card-bg: #FFFFFF;
            --success: #00C896;
            --text-body: #4A4F57;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #ECEFF3;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(22,24,29,0.06);
            --shadow-md: 0 8px 24px rgba(22,24,29,0.10);
            --shadow-lg: 0 12px 40px rgba(255,122,26,0.20);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-variant-numeric: tabular-nums;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--primary);
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1200px;
        }

        /* === Header / Nav === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: 72px;
            transition: box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .navbar {
            padding: 0;
            min-height: 72px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--dark) !important;
            line-height: 1;
            padding: 0;
            margin: 0;
        }

        .navbar-brand:hover {
            color: var(--dark) !important;
        }

        .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(255, 122, 26, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .brand-text em {
            font-style: normal;
            color: var(--primary);
            font-weight: 800;
            text-transform: lowercase;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.15);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,122,26,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 24px;
            height: 24px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #333 !important;
            padding: 8px 16px !important;
            position: relative;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--primary-dark) !important;
            background: rgba(255, 122, 26, 0.06);
        }

        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: 8px;
        }

        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
            background: #F8F9FA;
            border: 1px solid var(--border);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .status-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            position: relative;
        }

        .status-tag .dot::after {
            content: '';
            position: absolute;
            top: -3px;
            left: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.25);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                transform: scale(0.8);
                opacity: 0.6;
            }
            50% {
                transform: scale(1.2);
                opacity: 0.2;
            }
        }

        /* === Buttons === */
        .btn {
            font-family: var(--font-family);
            font-weight: 600;
            border-radius: var(--radius-md);
            padding: 10px 24px;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            cursor: pointer;
            line-height: 1.6;
        }

        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.25);
        }

        .btn-primary {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            color: #fff !important;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FF9A55, #FF7A1A);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            color: #fff !important;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 122, 26, 0.2);
            border-color: var(--primary);
            color: #fff;
        }

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

        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-primary.btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-primary.btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* === Breadcrumb === */
        .breadcrumb-bar {
            padding: 24px 0 0;
            font-size: 13px;
            color: var(--text-light);
        }

        .breadcrumb-bar a {
            color: var(--text-light);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
        }

        .breadcrumb-bar .separator {
            margin: 0 10px;
            color: var(--border);
        }

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

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            margin-top: 12px;
            transition: var(--transition);
        }

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

        /* === Article === */
        .article-wrap {
            padding: 32px 0 64px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 52px;
            border: 1px solid #F0F0F0;
        }

        .article-header {
            text-align: left;
            margin-bottom: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }

        .article-category {
            display: inline-block;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .article-header h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: var(--text-light);
        }

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

        .article-meta i {
            color: var(--primary);
            font-size: 14px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin: 40px 0 16px;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 32px 0 14px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin: 24px 0 12px;
        }

        .article-content img {
            border-radius: 16px;
            margin: 16px 0;
            max-width: 100%;
            height: auto;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 24px;
            padding-left: 24px;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #F8F9FA;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: var(--text-muted);
            font-style: italic;
            line-height: 1.8;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: #F8F9FA;
            font-weight: 700;
            color: var(--dark);
        }

        /* === Pagination === */
        .article-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .page-num {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #F8F9FA;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
        }

        .page-num.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(255, 122, 26, 0.25);
        }

        .page-num:hover:not(.active) {
            background: rgba(255, 122, 26, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        .page-next {
            height: 40px;
            padding: 0 18px;
            border-radius: 10px;
            background: #F8F9FA;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
            gap: 6px;
        }

        .page-next:hover {
            background: rgba(255, 122, 26, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* === Not Found === */
        .not-found-wrap {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            padding: 80px 40px;
            text-align: center;
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(255, 122, 26, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .not-found-wrap h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .not-found-wrap p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 15px;
        }

        /* === Related === */
        .related-section {
            padding: 20px 0 64px;
        }

        .related-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 28px;
            position: relative;
            padding-left: 18px;
        }

        .related-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 28px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light));
        }

        .related-card {
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid #F0F0F0;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .related-card .card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            border-radius: 16px 16px 0 0;
            background: linear-gradient(135deg, #FF8A3D, var(--primary-dark));
        }

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

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

        .related-card .card-img .watermark {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            white-space: nowrap;
            z-index: 1;
        }

        .related-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 122, 26, 0.08);
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            align-self: flex-start;
        }

        .related-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin: 0;
            flex: 1;
        }

        .related-card h3 a {
            display: block;
        }

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

        .related-card .card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-card .card-meta i {
            font-size: 12px;
        }

        /* === CTA === */
        .cta-section-wrap {
            padding: 0 0 64px;
        }

        .cta-section {
            background: linear-gradient(135deg, #FF7A1A 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(255, 122, 26, 0.3);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -15%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 209, 102, 0.1);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.92);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-light {
            position: relative;
            z-index: 1;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            padding: 14px 40px;
        }

        /* === Footer === */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
            font-size: 14px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .site-footer .footer-brand .brand-text em {
            font-style: normal;
            color: var(--primary);
        }

        .site-footer p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 380px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
        }

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

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

        .footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: inherit;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* === Responsive === */
        @media (max-width: 1199px) {
            .navbar-nav .nav-link {
                padding: 8px 12px !important;
                font-size: 14px;
            }
            .header-actions {
                gap: 8px;
            }
        }

        @media (max-width: 991px) {
            .site-header {
                height: auto;
                min-height: 72px;
            }
            .navbar {
                min-height: 72px;
            }
            .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 16px;
                box-shadow: var(--shadow-md);
                margin-top: 8px;
                max-height: calc(100vh - 90px);
                overflow-y: auto;
                border: 1px solid var(--border);
            }
            .navbar-nav {
                gap: 0;
                margin-bottom: 8px !important;
            }
            .navbar-nav .nav-link {
                padding: 12px 14px !important;
                border-radius: 10px;
                font-size: 15px;
                border-bottom: 1px solid rgba(236, 239, 243, 0.5);
            }
            .navbar-nav .nav-link:last-child {
                border-bottom: none;
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-nav .nav-link:hover,
            .navbar-nav .nav-link.active {
                background: rgba(255, 122, 26, 0.08);
                color: var(--primary) !important;
            }
            .header-actions {
                margin-top: 12px;
                justify-content: flex-start;
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                width: 100%;
                margin-left: 0;
            }
            .article-card {
                padding: 32px;
            }
            .article-header h1 {
                font-size: 26px;
            }
            .related-title {
                font-size: 24px;
            }
        }

        @media (max-width: 767px) {
            .breadcrumb-bar {
                padding-top: 16px;
            }
            .article-wrap {
                padding: 16px 0 40px;
            }
            .article-card {
                padding: 20px;
                border-radius: 16px;
            }
            .article-header h1 {
                font-size: 22px;
                line-height: 1.4;
            }
            .article-meta {
                gap: 12px;
                font-size: 12px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }
            .article-content h2 {
                font-size: 20px;
                margin-top: 28px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .related-section {
                padding: 8px 0 40px;
            }
            .related-card .card-img {
                height: 150px;
            }
            .cta-section-wrap {
                padding: 0 0 40px;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: 16px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .site-footer {
                padding: 48px 0 20px;
            }
            .site-footer .col-md-6 {
                margin-bottom: 28px;
            }
            .not-found-wrap {
                padding: 48px 24px;
            }
            .article-pagination {
                gap: 6px;
                margin-top: 28px;
                padding-top: 20px;
            }
            .page-num {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .page-next {
                height: 34px;
                padding: 0 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 575px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                border-radius: 10px;
            }
            .status-tag {
                font-size: 12px;
                padding: 4px 10px;
            }
            .article-meta span {
                margin-bottom: 4px;
            }
            .related-card h3 {
                font-size: 16px;
            }
        }

/* roulang page: category2 */
/* ========================================= */
        /* 设计变量                                  */
        /* ========================================= */
        :root {
            --primary: #FF7A1A;
            --primary-dark: #E85D04;
            --primary-light: #FFD166;
            --dark: #16181D;
            --bg-light: #F5F6F8;
            --card-bg: #FFFFFF;
            --success: #00C896;
            --text-body: #4A4F57;
            --text-muted: #9CA3AF;
            --border: #ECEFF3;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(22,24,29,0.06);
            --shadow-md: 0 8px 24px rgba(22,24,29,0.10);
            --shadow-deep: 0 12px 40px rgba(255,122,26,0.20);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ========================================= */
        /* Base Reset                                */
        /* ========================================= */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        body, h1, h2, h3, h4, h5, h6, p {
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========================================= */
        /* 按钮系统                                  */
        /* ========================================= */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 24px;
            font-size: 15px;
            transition: all 0.25s ease;
            border: 0;
        }
        .btn:focus, .btn:active:focus {
            box-shadow: 0 0 0 3px rgba(255,122,26,0.2);
        }
        .btn-primary {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover, .btn-primary:focus {
            background: linear-gradient(135deg, #FF944D, #FF7500);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-deep);
        }
        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.7);
            color: #fff;
        }
        .btn-outline-light:hover, .btn-outline-light:focus {
            background: rgba(255,122,26,0.2);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark {
            background: var(--dark);
            color: #fff;
        }
        .btn-dark:hover {
            background: #26282E;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 14px;
        }
        .btn-sm {
            padding: 7px 18px;
            font-size: 14px;
        }

        /* ========================================= */
        /* 状态标签 & 徽章                            */
        /* ========================================= */
        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255,255,255,0.9);
            backdrop-filter: blur(4px);
        }
        .status-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(0,200,150,0.5);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(0,200,150,0.5); }
            50% { box-shadow: 0 0 0 5px rgba(0,200,150,0); }
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(255,122,26,0.1);
            color: var(--primary);
        }
        .badge-tag.green {
            background: rgba(0,200,150,0.12);
            color: #0AA07A;
        }
        .badge-tag.gold {
            background: rgba(255,209,102,0.15);
            color: #C57F00;
        }

        /* ========================================= */
        /* Header / Navbar                            */
        /* ========================================= */
        .site-header {
            background: var(--dark);
            min-height: 72px;
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1050;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header .navbar {
            padding: 0;
            min-height: 72px;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255,122,26,0.35);
            flex-shrink: 0;
        }
        .brand-logo svg {
            width: 20px;
            height: 20px;
            display: block;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--primary);
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-item {
            position: relative;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px;
            border-radius: var(--radius-pill);
            transition: color 0.25s, background 0.25s;
        }
        .navbar-nav .nav-link:hover {
            color: #fff;
            background: rgba(255,122,26,0.15);
        }
        .navbar-nav .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(255,138,61,0.2), rgba(255,106,0,0.15));
            position: relative;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 20px;
            height: 4px;
            border-radius: var(--radius-pill);
            background: var(--primary);
        }
        .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255,122,26,0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .btn {
            margin-left: 4px;
        }

        /* ========================================= */
        /* 分类页 Hero 横幅                          */
        /* ========================================= */
        .category-hero {
            background: linear-gradient(180deg, #16181D 0%, rgba(22,24,29,0.85) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: multiply;
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255,122,26,0.22) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,122,26,0.15);
            border: 1px solid rgba(255,122,26,0.3);
            color: var(--primary-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero .lead {
            font-size: 17px;
            color: rgba(255,255,255,0.7);
            max-width: 620px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .hero-metrics {
            display: flex;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-metric-item {
            display: flex;
            gap: 12px;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 16px;
            padding: 12px 18px;
            backdrop-filter: blur(6px);
        }
        .hero-metric-item .num {
            font-size: 26px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--primary);
        }
        .hero-metric-item .label {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            line-height: 1.3;
        }

        /* ========================================= */
        /* 通用区块                                  */
        /* ========================================= */
        .section {
            padding: 80px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            position: relative;
            padding-left: 16px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 32px;
            border-radius: var(--radius-pill);
            background: linear-gradient(180deg, var(--primary), var(--primary-light));
        }
        .section-head .sub {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 400px;
        }
        .section-link {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-link:hover {
            color: var(--primary);
        }

        /* ========================================= */
        /* 卡片通用                                  */
        /* ========================================= */
        .card {
            background: var(--card-bg);
            border: 1px solid #F0F0F0;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        /* ========================================= */
        /* 热门赛事精选                              */
        /* ========================================= */
        .hot-matches {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            border: 1px solid #F0F0F0;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .hot-matches:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .hot-matches .img-wrap {
            height: 170px;
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }
        .hot-matches .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-matches .match-tag {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .hot-matches .match-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }
        .hot-matches .match-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
        }
        .hot-matches .match-meta i {
            color: var(--primary);
        }
        .hot-matches .match-stats {
            display: flex;
            gap: 12px;
            margin-top: 14px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .hot-matches .match-stat-item {
            flex: 1;
            text-align: center;
        }
        .hot-matches .match-stat-item .num {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }
        .hot-matches .match-stat-item .desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========================================= */
        /* 核心优势板块                              */
        /* ========================================= */
        .feature-panel {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        .feature-panel.reverse {
            flex-direction: row-reverse;
        }
        .feature-panel .text-col {
            flex: 1;
        }
        .feature-panel .visual-col {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            position: relative;
        }
        .feature-panel .visual-col img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-panel .visual-col::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,122,26,0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .feature-panel .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255,122,26,0.15), rgba(255,122,26,0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .feature-panel .icon-wrap i {
            font-size: 24px;
            color: var(--primary);
        }
        .feature-panel h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .feature-panel p {
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-body);
        }
        .feature-list li i {
            color: var(--primary);
            margin-top: 5px;
            font-size: 12px;
        }
        .feature-list li strong {
            font-weight: 600;
            color: var(--dark);
        }

        /* ========================================= */
        /* 最新赛事资讯列表                          */
        /* ========================================= */
        .news-card-row {
            background: #fff;
            border: 1px solid #F0F0F0;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 16px;
            padding: 16px;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-bottom: 16px;
        }
        .news-card-row:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-card-row .thumb {
            width: 160px;
            height: 100px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
        }
        .news-card-row .content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-card-row .tag-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }
        .news-card-row .tag-row .date {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-card-row h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-row h3 a {
            color: inherit;
        }
        .news-card-row h3 a:hover {
            color: var(--primary);
        }
        .news-card-row .excerpt {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-card-row .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-card-row .meta i {
            color: var(--primary);
        }

        /* ========================================= */
        /* FAQ                                       */
        /* ========================================= */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid #F0F0F0;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            box-shadow: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            padding: 20px 24px;
            position: relative;
            border-radius: 0;
        }
        .accordion-button::after {
            display: none;
        }
        .accordion-button .acc-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255,122,26,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-muted);
            transition: transform 0.3s, color 0.3s, background 0.3s;
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255,122,26,0.03);
            color: var(--primary);
        }
        .accordion-button:not(.collapsed) .acc-icon {
            transform: rotate(45deg);
            color: var(--primary);
            background: rgba(255,122,26,0.15);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255,122,26,0.12);
        }
        .accordion-button::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 0;
            border-radius: 0 4px 4px 0;
            background: var(--primary);
            transition: height 0.25s;
        }
        .accordion-button:not(.collapsed)::before {
            height: 60%;
        }
        .accordion-body {
            padding: 0 24px 20px 24px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========================================= */
        /* CTA 深色区块                              */
        /* ========================================= */
        .cta-section {
            background: var(--dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255,122,26,0.18), transparent 70%);
        }
        .cta-section .cta-card {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            border-radius: 24px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-deep);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.12);
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
        }
        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-card p {
            color: rgba(255,255,255,0.9);
            font-size: 15px;
            max-width: 520px;
            position: relative;
            z-index: 2;
        }
        .cta-card .btn {
            position: relative;
            z-index: 2;
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        }
        .cta-card .btn:hover {
            transform: translateY(-2px);
            color: var(--primary-dark);
            box-shadow: 0 12px 32px rgba(0,0,0,0.2);
        }

        /* ========================================= */
        /* 数字指标                                  */
        /* ========================================= */
        .metric-card {
            text-align: center;
            padding: 24px 16px;
        }
        .metric-card .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .metric-card .metric-num {
            font-size: 30px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--primary);
            line-height: 1.3;
        }
        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .metric-card .metric-badge {
            display: inline-block;
            background: rgba(0,200,150,0.1);
            color: #0AA07A;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 2px 10px;
            margin-top: 10px;
        }

        /* ========================================= */
        /* 页脚                                      */
        /* ========================================= */
        .site-footer {
            background: var(--dark);
            padding: 64px 0 24px;
            color: rgba(255,255,255,0.6);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .brand-logo {
            width: 32px;
            height: 32px;
        }
        .site-footer .footer-brand .brand-logo svg {
            width: 16px;
            height: 16px;
        }
        .site-footer .footer-brand .brand-text {
            font-size: 18px;
        }
        .site-footer p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255,255,255,0.5);
            max-width: 380px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            padding: 6px 0;
        }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
        }
        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 40px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: inherit;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ========================================= */
        /* 响应式断点                                */
        /* ========================================= */
        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }
            .navbar-collapse {
                background: var(--dark);
                padding: 16px 12px;
                border-radius: 0 0 20px 20px;
                box-shadow: var(--shadow-md);
            }
            .navbar-nav .nav-link {
                padding: 12px 14px;
            }
            .header-actions {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid rgba(255,255,255,0.1);
                flex-wrap: wrap;
            }
            .category-hero {
                min-height: 360px;
                padding: 60px 0 40px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .feature-panel,
            .feature-panel.reverse {
                flex-direction: column;
            }
            .news-card-row .thumb {
                width: 120px;
                height: 90px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .lead {
                font-size: 15px;
            }
            .hero-metrics {
                flex-direction: column;
                gap: 10px;
            }
            .news-card-row {
                flex-direction: column;
            }
            .news-card-row .thumb {
                width: 100%;
                height: 150px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section .cta-card {
                padding: 32px 24px;
            }
            .cta-section .cta-card h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-badge {
                font-size: 12px;
            }
            .feature-panel h3 {
                font-size: 22px;
            }
            .hot-matches .img-wrap {
                height: 140px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF7A1A;
            --primary-dark: #E85D04;
            --primary-light: #FFD166;
            --dark: #16181D;
            --bg-light: #F5F6F8;
            --card-bg: #FFFFFF;
            --success: #00C896;
            --text-main: #2E3238;
            --text-body: #4A4F57;
            --text-muted: #9CA3AF;
            --border-color: #ECEFF3;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 10px rgba(22, 24, 29, 0.06);
            --shadow-md: 0 8px 24px rgba(22, 24, 29, 0.10);
            --shadow-lg: 0 12px 40px rgba(255, 122, 26, 0.20);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            padding: 10px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            transition: all 0.3s ease;
            min-height: 42px;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #FF9A55, #FF7A1A);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 122, 26, 0.2);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            min-height: 52px;
            padding: 14px 40px;
            font-size: 17px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: 72px;
            transition: background 0.3s ease, box-shadow 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(22, 24, 29, 0.08);
            border-bottom: 1px solid var(--border-color);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .site-header.scrolled .navbar-brand {
            color: var(--dark);
        }
        .navbar-brand .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 122, 26, 0.4);
            flex-shrink: 0;
        }
        .navbar-brand .brand-text em {
            font-style: normal;
            color: var(--primary);
            font-weight: 800;
            margin-left: 2px;
        }
        .site-header.scrolled .navbar-brand .brand-text em {
            color: var(--primary-dark);
        }
        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 24px;
            height: 24px;
        }
        .site-header.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(22,24,29,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 8px;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
        }
        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transition: width 0.3s ease;
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 24px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-header.scrolled .navbar-nav .nav-link {
            color: var(--text-main);
        }
        .site-header.scrolled .navbar-nav .nav-link:hover,
        .site-header.scrolled .navbar-nav .nav-link.active {
            color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 122, 26, 0.12);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
        }
        .status-tag .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 200, 150, 0.5);
            }
            50% {
                box-shadow: 0 0 0 4px rgba(0, 200, 150, 0);
            }
        }
        .site-header.scrolled .status-tag {
            background: rgba(255, 122, 26, 0.1);
            color: var(--primary-dark);
        }
        .header-actions .btn {
            min-height: 38px;
            padding: 6px 20px;
            font-size: 14px;
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            padding: 150px 0 90px;
            background: var(--dark);
            background-image: linear-gradient(90deg, rgba(22, 24, 29, 0.82) 0%, rgba(22, 24, 29, 0.55) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -40px;
            right: 10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 122, 26, 0.18);
            border: 1px solid rgba(255, 122, 26, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
        }
        .category-hero .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
        }
        .category-hero h1 {
            color: #fff;
            font-size: 46px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero p.lead-text {
            color: rgba(255, 255, 255, 0.75);
            font-size: 17px;
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .category-hero .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.bg-white {
            background: #fff;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-header h2 .highlight {
            color: var(--primary);
            position: relative;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(255, 122, 26, 0.1);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== Overview / Metrics ===== */
        .overview-section {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-color);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .metric-card:hover::before {
            opacity: 1;
        }
        .metric-card .metric-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 20px;
            color: #fff;
        }
        .metric-card .metric-icon.orange {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
        }
        .metric-card .metric-icon.green {
            background: linear-gradient(135deg, #00D9A8, #00B884);
        }
        .metric-card .metric-icon.gold {
            background: linear-gradient(135deg, #FFD166, #F5A623);
        }
        .metric-card .metric-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
        }
        .metric-card .metric-desc {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: #fff;
        }
        .step-card {
            display: flex;
            gap: 28px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            margin-bottom: 24px;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), transparent);
            border-radius: 4px;
        }
        .step-card .step-number {
            font-size: 54px;
            font-weight: 800;
            color: rgba(255, 122, 26, 0.25);
            line-height: 1;
            min-width: 86px;
            font-variant-numeric: tabular-nums;
        }
        .step-card .step-content {
            flex: 1;
        }
        .step-card .step-content h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .step-card .step-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 0;
        }
        .step-card .step-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 200, 150, 0.1);
            color: #00A87E;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .step-card .step-tag .icon {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }

        /* ===== Play Types ===== */
        .playtypes-section {
            background: var(--bg-light);
        }
        .play-type-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid #F0F0F0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .play-type-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .play-type-card .card-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, #2A2D34, #16181D);
        }
        .play-type-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .play-type-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .play-type-card .card-img-wrap::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(transparent, rgba(22, 24, 29, 0.4));
        }
        .play-type-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .play-type-card .type-badge {
            display: inline-flex;
            align-self: flex-start;
            background: rgba(255, 122, 26, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .play-type-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .play-type-card p {
            font-size: 14.5px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }
        .play-type-card .card-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .play-type-card .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Scenario ===== */
        .scenario-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .scenario-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 122, 26, 0.15), transparent 70%);
            border-radius: 50%;
        }
        .scenario-section .section-header h2 {
            color: #fff;
        }
        .scenario-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            height: 100%;
        }
        .scenario-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 122, 26, 0.3);
            transform: translateY(-4px);
        }
        .scenario-card .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
            background: rgba(255, 122, 26, 0.15);
            color: var(--primary);
        }
        .scenario-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scenario-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Notice ===== */
        .notice-section {
            background: #fff;
        }
        .notice-card {
            background: linear-gradient(135deg, rgba(255, 122, 26, 0.05), rgba(255, 209, 102, 0.05));
            border: 1px solid rgba(255, 122, 26, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            gap: 20px;
        }
        .notice-card .notice-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 122, 26, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .notice-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .notice-card p {
            font-size: 14.5px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== FAQ Accordion ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .accordion-item {
            background: #fff;
            border: none !important;
            border-radius: var(--radius-lg) !important;
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            background: #fff;
            color: var(--dark);
            font-size: 16px;
            font-weight: 700;
            padding: 22px 28px;
            border: none;
            position: relative;
            transition: color 0.3s ease;
        }
        .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 0;
            background: var(--primary);
            border-radius: 4px;
            transition: height 0.3s ease;
        }
        .accordion-button:not(.collapsed)::before {
            height: 40px;
        }
        .accordion-button::after {
            background-image: none !important;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            color: var(--text-muted);
            font-size: 16px;
            transition: transform 0.3s ease, color 0.3s ease;
            width: auto;
            height: auto;
            line-height: 1;
        }
        .accordion-button:not(.collapsed)::after {
            content: "\f00d";
            color: var(--primary);
            transform: rotate(0deg);
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary-dark);
            box-shadow: none;
            background: #fff;
        }
        .accordion-button:hover {
            color: var(--primary);
        }
        .accordion-body {
            padding: 0 28px 24px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.85;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 80px;
            background: var(--bg-light);
        }
        .cta-banner {
            background: linear-gradient(135deg, #FF8A3D, #FF6A00, #E85D04);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -40px;
            left: 10%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: 5%;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-white-custom {
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            padding: 12px 40px;
            min-height: 48px;
            font-size: 16px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .cta-banner .btn-white-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 70px;
            padding-bottom: 24px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-logo {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF8A3D, #FF6A00);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .site-footer .footer-brand .brand-text em {
            font-style: normal;
            color: var(--primary);
            font-weight: 800;
        }
        .site-footer p.description {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
            margin-bottom: 0;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 50px;
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .category-hero {
                padding: 120px 0 70px;
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .site-header {
                height: auto;
                min-height: 64px;
            }
            .site-header .navbar {
                min-height: 64px;
            }
            .navbar-collapse {
                background: var(--dark);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 16px 20px;
                margin-top: 8px;
                box-shadow: var(--shadow-md);
                max-height: calc(100vh - 80px);
                overflow-y: auto;
            }
            .site-header.scrolled .navbar-collapse {
                background: #fff;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px;
                color: rgba(255, 255, 255, 0.85);
            }
            .site-header.scrolled .navbar-nav .nav-link {
                color: var(--text-main);
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .header-actions {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }
            .site-header.scrolled .header-actions {
                border-top-color: var(--border-color);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 27px;
            }
            .category-hero {
                padding: 100px 0 56px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 29px;
            }
            .category-hero p.lead-text {
                font-size: 15px;
            }
            .step-card {
                flex-direction: column;
                gap: 14px;
                padding: 24px;
            }
            .step-card .step-number {
                font-size: 40px;
                min-width: auto;
            }
            .play-type-card .card-img-wrap {
                height: 150px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-number {
                font-size: 26px;
            }
            .metric-card .metric-desc {
                display: none;
            }
            .notice-card {
                flex-direction: column;
                padding: 24px;
            }
            .accordion-button {
                padding: 18px 20px;
                font-size: 15px;
            }
            .accordion-body {
                padding: 0 20px 18px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .cta-banner p {
                font-size: 14px;
            }
            .cta-banner .btn-white-custom {
                padding: 10px 28px;
                font-size: 15px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .category-hero .hero-cta .btn {
                width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-card .metric-number {
                font-size: 24px;
            }
            .metric-card .metric-label {
                font-size: 13px;
            }
            .step-card .step-content h3 {
                font-size: 18px;
            }
            .scenario-card {
                padding: 24px;
            }
            .site-footer {
                padding-top: 50px;
            }
        }