/* roulang page: index */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 80px 0;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }

        .container { max-width: 1200px; }
        @media (min-width: 992px) and (max-width: 1199.98px) {
            .container { max-width: 960px; }
        }
        @media (min-width: 768px) and (max-width: 991.98px) {
            .container { max-width: 720px; }
        }
        @media (max-width: 767.98px) {
            .container { max-width: 100%; padding-left: 16px; padding-right: 16px; }
        }

        /* ===== Top Info Bar ===== */
        .info-bar {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.85);
            font-size: 12px;
            padding: 8px 0;
            letter-spacing: 0.3px;
        }
        .info-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
        .info-bar-left { display: flex; align-items: center; gap: 14px; }
        .info-bar-left .domain-text { color: rgba(245, 241, 234, 0.55); font-family: var(--font-serif); }
        .info-bar-left .safety-tag { color: var(--copper); font-weight: 500; }
        .info-bar-right a {
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .info-bar-right a:hover { color: var(--green-light); }
        .info-bar-right i { margin-right: 4px; font-size: 11px; }
        @media (max-width: 575.98px) {
            .info-bar { font-size: 11px; padding: 6px 0; }
            .info-bar-left .domain-text { display: none; }
            .info-bar-right a { margin-left: 10px; font-size: 11px; }
        }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #fff;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }
        .main-nav .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }
        .brand-logo:hover { color: var(--ink); }
        .navbar-custom { display: flex; align-items: center; gap: 24px; }
        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }
        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active { color: var(--ink); }
        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after { width: 100%; }
        .nav-dropdown-toggle::after { display: none; }
        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
        }
        .dropdown-menu-custom {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            position: absolute;
            top: 100%;
            left: 0;
            z-index: 1020;
        }
        .dropdown-parent { position: relative; }
        .dropdown-parent:hover .dropdown-menu-custom {
            opacity: 1;
            visibility: visible;
        }
        .dropdown-menu-custom a {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }
        .dropdown-menu-custom a:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }
        @media (max-width: 991.98px) {
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                padding: 16px 0 8px;
                gap: 0;
            }
            .navbar-custom.open { display: flex; }
            .navbar-custom .nav-link-c {
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid #f0f0f0;
                width: 100%;
            }
            .nav-dropdown .dropdown-menu-custom {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                padding-left: 16px;
            }
            .navbar-toggler-custom { display: block; margin-left: auto; }
            .nav-btn-cta { display: none; }
        }

        /* ===== Section Base ===== */
        section { padding: var(--section-pad); }
        @media (max-width: 767.98px) {
            section { padding: 48px 0; }
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--green);
            background: var(--green-light);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 16px;
        }
        @media (max-width: 767.98px) {
            .section-title { font-size: 26px; }
        }
        .section-desc {
            font-size: 15.5px;
            color: var(--muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--ink);
            color: #f5f1ea;
        }
        .section-dark .section-title { color: #f5f1ea; }
        .section-dark .section-desc { color: rgba(245, 241, 234, 0.7); }

        /* ===== Buttons ===== */
        .btn-custom-primary {
            background: var(--ink);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .btn-custom-primary:hover {
            background: var(--green);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(13, 122, 95, 0.25);
        }
        .btn-custom-secondary {
            background: #fff;
            color: var(--ink);
            border: 1.5px solid var(--ink);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .btn-custom-secondary:hover {
            background: var(--ink);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-custom-green {
            background: var(--green);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-custom-green:hover {
            background: #0a614c;
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-custom-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-focus {
            outline: 2px solid var(--green);
            outline-offset: 2px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--green);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero-section {
            background: linear-gradient(135deg, #faf8f4 0%, #f5f1ea 40%, #eef0e9 100%);
            padding: 72px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            border: 2px dashed rgba(13, 122, 95, 0.15);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 2px dashed rgba(200, 146, 74, 0.12);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-left h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-left h1 .underline-green {
            border-bottom: 3px solid var(--green);
            padding-bottom: 2px;
        }
        .hero-subtitle {
            font-size: 16.5px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-right {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
        }
        .hero-right img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .hero-ball-decor {
            position: absolute;
            top: -16px;
            right: -16px;
            width: 56px;
            height: 56px;
            background: var(--copper);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            box-shadow: 0 6px 18px rgba(200, 146, 74, 0.4);
            z-index: 2;
        }
        .hero-countdown {
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            font-size: 13.5px;
            color: var(--ink-soft);
            box-shadow: var(--shadow-sm);
        }
        .hero-countdown .cd-label {
            font-weight: 600;
            color: var(--green);
            white-space: nowrap;
        }
        .hero-countdown .cd-time {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            color: var(--ink);
            letter-spacing: 1px;
        }
        @media (max-width: 991.98px) {
            .hero-section { padding: 56px 0 48px; }
            .hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .hero-left h1 { font-size: 36px; }
            .hero-right img { height: 280px; }
        }
        @media (max-width: 575.98px) {
            .hero-left h1 { font-size: 28px; }
            .hero-subtitle { font-size: 15px; }
            .hero-right img { height: 200px; }
            .hero-cta-group { gap: 10px; }
            .hero-cta-group .btn-custom-primary,
            .hero-cta-group .btn-custom-secondary { padding: 10px 18px; font-size: 13px; }
            .hero-ball-decor { width: 42px; height: 42px; font-size: 16px; top: -10px; right: -10px; }
        }

        /* ===== Lottery Quick Bar ===== */
        .lottery-quick-bar {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
        }
        .lottery-quick-bar .container { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
        .quick-item {
            flex: 1;
            min-width: 160px;
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #fdfcfa;
            transition: all var(--transition);
        }
        .quick-item:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .quick-item .qi-name {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .quick-item .qi-numbers {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .quick-item .ball {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--copper);
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            transition: transform var(--transition);
        }
        .quick-item:hover .ball { transform: scale(1.1); }
        .quick-item .qi-date {
            font-size: 11.5px;
            color: var(--muted);
        }
        @media (max-width: 767.98px) {
            .lottery-quick-bar .container { flex-direction: column; gap: 10px; }
            .quick-item { min-width: 100%; display: flex; align-items: center; justify-content: space-between; }
            .quick-item .ball { width: 26px; height: 26px; font-size: 11px; border-width: 1.5px; }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-custom .card-img-wrap {
            height: 180px;
            overflow: hidden;
            background: #eef3ee;
            position: relative;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-custom:hover .card-img-wrap img { transform: scale(1.05); }
        .card-custom .card-body-c {
            padding: 18px 20px;
        }
        .card-custom .card-title-c {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .card-custom .card-text-c {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--green);
            background: var(--green-light);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        /* ===== Stats Dark Section ===== */
        .stats-dark {
            background: var(--ink);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-dark::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(13, 122, 95, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 16px;
        }
        .stat-number {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--green-light);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 13.5px;
            color: rgba(245, 241, 234, 0.65);
            font-weight: 400;
        }
        @media (max-width: 991.98px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-number { font-size: 34px; }
        }
        @media (max-width: 575.98px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .stat-number { font-size: 28px; }
            .stat-label { font-size: 12px; }
        }

        /* ===== Deep Content ===== */
        .deep-content {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
        }
        .deep-content h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .deep-content p {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }
        .deep-content .dc-highlight {
            background: var(--green-light);
            border-left: 3px solid var(--green);
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 16px;
            font-size: 14.5px;
            color: var(--ink-soft);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 0.6fr;
            gap: 24px;
            align-items: start;
        }
        .deep-side-card {
            background: #fdfcfa;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px;
        }
        .deep-side-card .side-card-title {
            font-weight: 600;
            font-size: 14px;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .deep-side-card .side-card-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-side-card .side-card-list li {
            font-size: 13px;
            color: var(--muted);
            padding: 6px 0;
            border-bottom: 1px dashed #eee;
        }
        .deep-side-card .side-card-list li:last-child { border-bottom: none; }
        @media (max-width: 991.98px) {
            .deep-content-grid { grid-template-columns: 1fr; }
            .deep-content { padding: 28px 24px; }
        }
        @media (max-width: 575.98px) {
            .deep-content { padding: 20px 16px; }
            .deep-content h3 { font-size: 19px; }
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-item {
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            width: 36px;
            height: 36px;
            background: var(--green);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin: 0 auto 12px;
            font-family: var(--font-serif);
        }
        .step-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        @media (max-width: 991.98px) {
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 575.98px) {
            .steps-grid { grid-template-columns: 1fr; }
            .step-item { padding: 18px; }
        }

        /* ===== Story Cards ===== */
        .story-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .story-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .story-card .story-img {
            height: 160px;
            overflow: hidden;
            background: #eef3ee;
        }
        .story-card .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .story-card:hover .story-img img { transform: scale(1.05); }
        .story-card .story-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .story-card .story-meta {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 8px;
        }
        .story-card .story-title {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .story-card .story-excerpt {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
        }
        .story-card .story-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .story-card .story-link:hover { color: var(--ink); }
        @media (max-width: 991.98px) {
            .story-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 575.98px) {
            .story-grid { grid-template-columns: 1fr; }
        }

        /* ===== News List ===== */
        .news-list {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 24px;
            border-bottom: 1px solid #f0efe9;
            transition: background var(--transition);
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { background: #fdfcfb; }
        .news-date {
            font-size: 12.5px;
            color: var(--muted);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
            font-family: var(--font-serif);
        }
        .news-content { flex: 1; }
        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .news-item:hover .news-title { color: var(--green); }
        .news-excerpt {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
        }
        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
            white-space: nowrap;
            padding-top: 2px;
        }
        .news-more:hover { color: var(--ink); }
        @media (max-width: 575.98px) {
            .news-item { flex-direction: column; gap: 6px; padding: 14px 16px; }
            .news-date { min-width: auto; }
        }

        /* ===== Tool Cards ===== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
        }
        .tool-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--green);
        }
        .tool-icon {
            width: 46px;
            height: 46px;
            background: var(--green-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green);
            font-size: 20px;
            flex-shrink: 0;
        }
        .tool-info { flex: 1; }
        .tool-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 4px;
        }
        .tool-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .tool-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
        }
        .tool-link:hover { color: var(--ink); }
        @media (max-width: 575.98px) {
            .tools-grid { grid-template-columns: 1fr; }
            .tool-card { padding: 18px; }
        }

        /* ===== Partners ===== */
        .partners-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            align-items: center;
        }
        .partner-badge {
            font-family: var(--font-serif);
            font-size: 14px;
            color: var(--muted);
            letter-spacing: 1.5px;
            padding: 10px 20px;
            border: 1px solid var(--border);
            border-radius: 30px;
            background: #fff;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .partner-badge:hover {
            color: var(--green);
            border-color: var(--green);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: #d8d5cf; }
        .faq-question {
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover { background: #faf9f7; }
        .faq-toggle-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--green-light);
            color: var(--green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .faq-item.active .faq-toggle-icon { transform: rotate(45deg); }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }
        .faq-item.active {
            box-shadow: var(--shadow-sm);
            border-color: var(--green);
        }

        /* ===== Guarantee Bar ===== */
        .guarantee-dark {
            background: var(--ink);
            padding: 32px 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .guarantee-item {
            color: rgba(245, 241, 234, 0.85);
            font-size: 13.5px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .guarantee-item i {
            font-size: 22px;
            color: var(--green-light);
            margin-bottom: 4px;
        }
        @media (max-width: 767.98px) {
            .guarantee-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--green) 0%, #0a614c 100%);
            padding: 64px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .cta-form input {
            flex: 1;
            background: #fff;
            border: none;
            border-radius: 6px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--ink);
            outline: none;
        }
        .cta-form input:focus {
            box-shadow: 0 0 0 2px rgba(200, 146, 74, 0.5);
        }
        .cta-form button {
            background: var(--copper);
            color: #fff;
            border: none;
            border-radius: 6px;
            padding: 12px 22px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .cta-form button:hover { background: #b37e35; }
        @media (max-width: 991.98px) {
            .cta-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-title { font-size: 26px; }
        }
        @media (max-width: 575.98px) {
            .cta-form { flex-direction: column; }
            .cta-form button { width: 100%; }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            padding: 56px 0 0;
            font-size: 13.5px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.9fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(245, 241, 234, 0.12);
        }
        .footer-brand .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            max-width: 260px;
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            color: rgba(245, 241, 234, 0.65);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--green-light); }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.5);
        }
        .footer-bottom a {
            color: rgba(245, 241, 234, 0.55);
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-bottom a:hover { color: var(--green-light); }
        .footer-bottom .sep { margin: 0 8px; color: rgba(245, 241, 234, 0.2); }
        @media (max-width: 991.98px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 575.98px) {
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
        }

        /* ===== Responsive Utilities ===== */
        .highlight-green { color: var(--green); }
        .highlight-copper { color: var(--copper); }
        .text-muted-c { color: var(--muted) !important; }
        .bg-soft-green { background: var(--green-light); }
        .border-custom { border-color: var(--border) !important; }
        .rounded-custom { border-radius: var(--radius) !important; }
        .shadow-custom { box-shadow: var(--shadow-sm) !important; }

        @media (max-width: 1199.98px) {
            .hero-left h1 { font-size: 40px; }
        }
        @media (max-width: 575.98px) {
            body { font-size: 14px; }
            .section-title { font-size: 24px; }
        }

/* roulang page: category3 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 80px 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        .info-bar {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            padding: 6px 0;
            position: relative;
            z-index: 1031;
        }

        .info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .info-bar-left .domain-text {
            color: rgba(245, 241, 234, 0.55);
            font-family: var(--font-serif);
        }

        .info-bar-left .safety-tag {
            color: var(--copper);
            font-weight: 500;
            margin-left: 10px;
        }

        .info-bar-right a {
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }

        .info-bar-right a:hover {
            color: var(--green-light);
        }

        .main-nav {
            background: #fff;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
        }

        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }

        .brand-logo:hover {
            color: var(--ink);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }

        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active {
            color: var(--ink);
        }

        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after {
            width: 100%;
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            z-index: 1020;
        }

        .nav-dropdown:hover .nav-dropdown-menu,
        .nav-dropdown:focus-within .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
        }

        .nav-dropdown-menu a {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }

        .nav-dropdown-menu a:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }

        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }

        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
        }

        .main {
            min-height: 60vh;
        }

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

        .section-sm {
            padding: 56px 0;
        }

        .section-dark {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.9);
        }

        .section-green {
            background: var(--green);
            color: #fff;
        }

        .breadcrumb-custom {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
            padding: 0;
            background: transparent;
        }

        .breadcrumb-custom a {
            color: var(--muted);
        }

        .breadcrumb-custom a:hover {
            color: var(--green);
        }

        .breadcrumb-custom .separator {
            margin: 0 8px;
            color: #c5c5c5;
        }

        .page-header-title {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-header-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 760px;
            line-height: 1.8;
        }

        .article-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
            margin-top: 32px;
        }

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

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

        .article-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--green-light);
        }

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

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

        .article-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card-tag {
            display: inline-block;
            background: var(--green-light);
            color: var(--green);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .article-card-title {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .article-card-date {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 10px;
        }

        .article-card-summary {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .article-card-link {
            color: var(--green);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
        }

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

        .calendar-strip {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 16px;
            margin-top: 32px;
            overflow-x: auto;
        }

        .calendar-strip-inner {
            display: flex;
            gap: 12px;
            min-width: 800px;
        }

        .calendar-day {
            flex: 1;
            min-width: 90px;
            text-align: center;
            padding: 12px 8px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .calendar-day:hover {
            border-color: var(--green);
            background: var(--green-light);
        }

        .calendar-day-date {
            font-size: 13px;
            color: var(--muted);
        }

        .calendar-day-count {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 4px 0;
        }

        .calendar-day-label {
            font-size: 12px;
            color: var(--green);
            font-weight: 500;
        }

        .notice-panel {
            background: var(--copper-light);
            border-left: 4px solid var(--copper);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            margin-top: 24px;
        }

        .notice-panel-item {
            font-size: 14px;
            color: var(--ink-soft);
            line-height: 1.7;
            padding: 4px 0;
        }

        .notice-panel-item strong {
            color: var(--ink);
            font-weight: 600;
        }

        .method-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }

        .method-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .method-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--green-light);
            color: var(--green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
        }

        .method-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .method-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        .tool-entry-box {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 36px 30px;
            margin-top: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .tool-entry-text h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .tool-entry-text p {
            color: rgba(245, 241, 234, 0.7);
            font-size: 14px;
            margin: 0;
        }

        .tool-entry-btn {
            background: var(--green);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .tool-entry-btn:hover {
            background: #fff;
            color: var(--green);
        }

        .more-link-box {
            text-align: center;
            padding: 32px 0;
        }

        .more-link-btn {
            display: inline-block;
            border: 1.5px solid var(--green);
            color: var(--green);
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
        }

        .more-link-btn:hover {
            background: var(--green);
            color: #fff;
        }

        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.7);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }

        .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--green-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.45);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(245, 241, 234, 0.5);
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(245, 241, 234, 0.25);
        }

        @media (max-width: 991.98px) {
            :root {
                --section-pad: 56px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-header-title {
                font-size: 30px;
            }
            .tool-entry-box {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 767.98px) {
            .info-bar .container {
                justify-content: center;
                text-align: center;
            }
            .info-bar-left .domain-text {
                display: none;
            }
            .info-bar-right a {
                margin-left: 10px;
                font-size: 11px;
            }
            .main-nav {
                padding: 12px 0;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                padding: 16px 0 8px;
            }
            .navbar-custom.show {
                display: flex;
            }
            .nav-dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                padding-left: 16px;
                min-width: auto;
            }
            .nav-dropdown-menu a {
                padding: 6px 0;
            }
            .nav-btn-cta {
                margin-top: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-header-title {
                font-size: 24px;
            }
            .article-card-grid {
                grid-template-columns: 1fr;
            }
            .method-grid {
                grid-template-columns: 1fr;
            }
            .tool-entry-btn {
                width: 100%;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .sep {
                display: none;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header-title {
                font-size: 22px;
            }
            .article-card-title {
                font-size: 17px;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 80px 0;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ===== Info Bar ===== */
        .info-bar {
            background: var(--ink);
            padding: 8px 0;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.8);
            position: relative;
            z-index: 1040;
        }
        .info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .info-bar-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .info-bar-left .domain-text {
            color: rgba(245, 241, 234, 0.55);
            font-family: var(--font-serif);
        }
        .info-bar-left .safety-tag {
            color: var(--copper);
            font-weight: 500;
        }
        .info-bar-right a {
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .info-bar-right a:hover {
            color: var(--green-light);
        }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #fff;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }
        .brand-logo:hover {
            color: var(--ink);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }
        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active {
            color: var(--ink);
        }
        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after {
            width: 100%;
        }

        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }

        .dropdown-wrapper {
            position: relative;
            display: flex;
            align-items: center;
        }
        .dropdown-wrapper .nav-link-c {
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
        }
        .dropdown-menu-c {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            position: absolute;
            top: 100%;
            left: 0;
            z-index: 1020;
        }
        .dropdown-wrapper:hover .dropdown-menu-c,
        .dropdown-wrapper:focus-within .dropdown-menu-c {
            opacity: 1;
            visibility: visible;
        }
        .dropdown-item-c {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }
        .dropdown-item-c:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }

        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: transparent;
            padding: 24px 0 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
        }
        .breadcrumb-inner a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb-inner a:hover {
            color: var(--green);
        }
        .breadcrumb-inner .sep {
            color: #B8B3AA;
        }
        .breadcrumb-inner .current {
            color: var(--ink);
            font-weight: 500;
        }

        /* ===== Category Page Header ===== */
        .category-header {
            padding: 40px 0 24px;
        }
        .category-header h1 {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.3;
            letter-spacing: 1px;
        }
        .category-header .sub-line {
            color: var(--muted);
            font-size: 15px;
            margin-top: 8px;
        }

        /* ===== Category Description ===== */
        .category-desc {
            padding: 16px 0 40px;
        }
        .category-desc .desc-content {
            max-width: 780px;
            color: var(--ink-soft);
            font-size: 15.5px;
            line-height: 1.85;
        }
        .category-desc .desc-thumb {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--green-light);
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: 48px 0;
        }
        .section-block.warm-bg {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-block.deep-bg {
            background: var(--ink);
            color: #F5F1EA;
        }
        .section-heading {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .deep-bg .section-heading {
            color: #F5F1EA;
        }
        .section-sub {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 32px;
        }
        .deep-bg .section-sub {
            color: rgba(245, 241, 234, 0.7);
        }

        /* ===== Lottery Result List ===== */
        .result-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .result-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .result-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D8D2C8;
        }
        .result-game {
            min-width: 100px;
            font-weight: 700;
            color: var(--ink);
            font-size: 15px;
        }
        .result-meta {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 130px;
        }
        .result-meta .issue {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }
        .result-meta .date {
            font-size: 13px;
            color: var(--muted);
        }
        .result-balls {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
        }
        .ball-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--copper);
            background: var(--copper-light);
            color: var(--ink);
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
        }
        .ball-num.ball-special {
            border-color: var(--green);
            background: var(--green-light);
            color: var(--green);
        }
        .result-item .btn-detail {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--ink);
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .result-item .btn-detail:hover {
            border-color: var(--green);
            color: var(--green);
            background: var(--green-light);
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
        }
        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 160px;
        }
        .filter-group label {
            font-size: 12px;
            color: var(--muted);
            font-weight: 500;
        }
        .filter-select {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 9px 14px;
            font-size: 14px;
            color: var(--ink-soft);
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            cursor: pointer;
            transition: all var(--transition);
            min-width: 140px;
            position: relative;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6F76' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .filter-select:focus {
            outline: none;
            border-color: var(--green);
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.1);
        }
        .filter-btn {
            background: var(--ink);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-btn:hover {
            background: var(--green);
        }
        .filter-btn:focus {
            outline: 2px solid var(--green);
            outline-offset: 2px;
        }

        /* ===== Trend Chart ===== */
        .trend-placeholder {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }
        .trend-chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 160px;
            padding: 0 8px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 12px;
        }
        .trend-chart-bar {
            flex: 1;
            background: var(--green-light);
            border-radius: 4px 4px 0 0;
            min-width: 14px;
            transition: all var(--transition);
            position: relative;
        }
        .trend-chart-bar:nth-child(odd) {
            background: var(--copper-light);
        }
        .trend-chart-bar:hover {
            background: var(--green);
            opacity: 0.8;
        }
        .trend-chart-bar:nth-child(odd):hover {
            background: var(--copper);
        }
        .trend-labels {
            display: flex;
            gap: 6px;
            font-size: 11px;
            color: var(--muted);
            text-align: center;
        }
        .trend-labels span {
            flex: 1;
            min-width: 14px;
        }

        /* ===== Frequency Cards ===== */
        .freq-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .freq-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .freq-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #D8D2C8;
        }
        .freq-card .freq-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--green-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green);
            font-size: 18px;
            margin-bottom: 12px;
        }
        .freq-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .freq-card p {
            font-size: 13.5px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            border-top: 1px solid var(--border);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 8px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--green);
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--muted);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 8px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 8px 18px;
        }
        .faq-answer p {
            font-size: 14.5px;
            color: var(--ink-soft);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== More Link ===== */
        .more-link-wrap {
            text-align: center;
            padding: 16px 0 8px;
        }
        .more-link {
            display: inline-block;
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .more-link:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #F5F1EA;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer .brand-logo-footer .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
        }
        .footer .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.6);
            max-width: 320px;
            margin: 0;
        }
        .footer .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #F5F1EA;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 8px;
        }
        .footer .footer-links a {
            color: rgba(245, 241, 234, 0.6);
            font-size: 13.5px;
            transition: color var(--transition);
        }
        .footer .footer-links a:hover {
            color: var(--green-light);
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.12);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: rgba(245, 241, 234, 0.5);
        }
        .footer .footer-bottom a {
            color: rgba(245, 241, 234, 0.5);
            transition: color var(--transition);
        }
        .footer .footer-bottom a:hover {
            color: var(--green-light);
        }
        .footer .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(245, 241, 234, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                padding: 16px 0 8px;
            }
            .navbar-custom.show {
                display: flex;
            }
            .dropdown-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .dropdown-menu-c {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                padding: 4px 0 4px 16px;
                min-width: auto;
                display: none;
            }
            .dropdown-wrapper:hover .dropdown-menu-c,
            .dropdown-wrapper:focus-within .dropdown-menu-c {
                display: block;
            }
            .nav-btn-cta {
                margin-top: 4px;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .freq-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .info-bar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .info-bar-right {
                display: flex;
                gap: 8px;
                flex-wrap: wrap;
            }
            .info-bar-right a {
                margin-left: 0;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .result-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 18px;
            }
            .result-game {
                min-width: auto;
            }
            .result-meta {
                min-width: auto;
            }
            .result-balls {
                gap: 6px;
            }
            .ball-num {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                min-width: auto;
            }
            .freq-grid {
                grid-template-columns: 1fr;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .trend-chart-bars {
                height: 120px;
            }
            .section-block {
                padding: 32px 0;
            }
        }

        @media (max-width: 575px) {
            .info-bar {
                font-size: 11px;
            }
            .info-bar-left .domain-text {
                display: none;
            }
            .info-bar-right a {
                font-size: 11px;
            }
            .brand-logo {
                font-size: 20px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .sub-line {
                font-size: 13px;
            }
            .category-desc .desc-content {
                font-size: 14.5px;
            }
            .result-balls {
                gap: 4px;
            }
            .ball-num {
                width: 28px;
                height: 28px;
                font-size: 12px;
                border-width: 1.5px;
            }
            .trend-chart-bars {
                height: 100px;
                gap: 4px;
            }
            .trend-labels {
                font-size: 10px;
                gap: 4px;
            }
        }

/* roulang page: category2 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 72px 0;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Top Info Bar ===== */
        .info-bar {
            background: var(--ink);
            color: #F5F1EA;
            font-size: 12px;
            padding: 8px 0;
            position: relative;
            z-index: 1040;
        }
        .info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .info-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .info-bar-left .domain-text {
            color: rgba(245, 241, 234, 0.55);
            font-family: var(--font-serif);
            letter-spacing: 0.3px;
        }
        .info-bar-left .safety-tag {
            color: var(--copper);
            font-weight: 500;
        }
        .info-bar-right a {
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .info-bar-right a:hover {
            color: var(--green-light);
        }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #FFFFFF;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
            flex-shrink: 0;
        }
        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }
        .brand-logo:hover {
            color: var(--ink);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
            cursor: pointer;
        }
        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }
        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active {
            color: var(--ink);
        }
        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after {
            width: 100%;
        }
        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
            cursor: pointer;
        }
        .nav-dropdown {
            position: relative;
        }
        .nav-dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-dropdown-toggle i {
            font-size: 10px;
            transition: transform var(--transition);
        }
        .nav-dropdown:hover .nav-dropdown-toggle i {
            transform: rotate(180deg);
        }
        .nav-dropdown-menu {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            position: absolute;
            top: 100%;
            left: 0;
            z-index: 1020;
            margin-top: 10px;
        }
        .nav-dropdown:hover .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
        }
        .nav-dropdown-menu a {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }
        .nav-dropdown-menu a:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            background: transparent;
            padding: 32px 0 16px;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            font-size: 13px;
            color: var(--muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-custom li + li::before {
            content: '/';
            color: var(--muted);
            margin-right: 6px;
        }
        .breadcrumb-custom a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--green);
        }
        .breadcrumb-custom .active {
            color: var(--ink);
            font-weight: 500;
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: 16px 0 32px;
        }
        .page-header h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .page-header .lead-text {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== Category Description Section ===== */
        .category-desc-section {
            padding: 0 0 32px;
        }
        .category-desc-box {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink-soft);
            max-width: 860px;
        }

        /* ===== Play Cards Section ===== */
        .play-cards-section {
            padding: 32px 0 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
            background: var(--green-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .play-cards-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .play-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .play-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .play-card-img {
            width: 100%;
            height: 180px;
            background: var(--green-light);
            position: relative;
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .play-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
            transition: transform var(--transition);
        }
        .play-card:hover .play-card-img img {
            transform: scale(1.04);
        }
        .play-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .play-card-title {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .play-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .play-tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 16px;
            background: var(--copper-light);
            color: var(--copper);
            letter-spacing: 0.3px;
        }
        .play-tag.green-tag {
            background: var(--green-light);
            color: var(--green);
        }
        .play-card-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }
        .btn-rule {
            display: inline-block;
            align-self: flex-start;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--green);
            border: 1px solid var(--green);
            border-radius: var(--radius-sm);
            padding: 8px 18px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-rule:hover {
            background: var(--green);
            color: #fff;
        }

        /* ===== Difficulty Rating Section ===== */
        .difficulty-section {
            padding: 48px 0;
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .difficulty-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 24px;
        }
        .difficulty-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .difficulty-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            text-align: left;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .difficulty-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .difficulty-level {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .difficulty-level.beginner {
            color: var(--green);
        }
        .difficulty-level.intermediate {
            color: var(--copper);
        }
        .difficulty-level.advanced {
            color: var(--ink);
        }
        .difficulty-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
        }
        .difficulty-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Beginner Steps ===== */
        .steps-section {
            padding: 48px 0;
        }
        .steps-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .steps-section .steps-sub {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 32px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--green);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== Misconceptions ===== */
        .misconceptions-section {
            padding: 48px 0;
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .misconceptions-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 24px;
        }
        .misconception-list {
            display: grid;
            gap: 16px;
            max-width: 860px;
        }
        .misconception-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            border-left: 4px solid var(--copper);
        }
        .misconception-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--copper-light);
            color: var(--copper);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }
        .misconception-text {
            font-size: 15px;
            color: var(--ink-soft);
            line-height: 1.8;
        }

        /* ===== Probability Section ===== */
        .probability-section {
            padding: 48px 0;
        }
        .probability-section h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
        }
        .probability-sub {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 24px;
            max-width: 760px;
        }
        .probability-list {
            max-width: 860px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .probability-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: var(--card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            flex-wrap: wrap;
            gap: 10px;
            transition: border-color var(--transition);
        }
        .probability-row:hover {
            border-color: var(--green);
        }
        .probability-name {
            font-weight: 600;
            color: var(--ink);
            font-size: 15px;
            min-width: 120px;
        }
        .probability-chance {
            font-size: 14px;
            color: var(--green);
            font-weight: 600;
            background: var(--green-light);
            padding: 4px 14px;
            border-radius: 16px;
        }

        /* ===== More Link ===== */
        .more-link-section {
            padding: 32px 0 48px;
            text-align: center;
        }
        .btn-more-articles {
            display: inline-block;
            background: var(--ink);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-more-articles:hover {
            background: var(--green);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.8);
            padding: 56px 0 24px;
            margin-top: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            max-width: 360px;
        }
        .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #F5F1EA;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.65);
            margin: 0;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #F5F1EA;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(245, 241, 234, 0.65);
            font-size: 13.5px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--green-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.55);
        }
        .footer-bottom a {
            color: rgba(245, 241, 234, 0.55);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--green-light);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(245, 241, 234, 0.3);
        }

        /* ===== Focus States ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--green);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-header h1 {
                font-size: 32px;
            }
            .difficulty-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px 0;
            }
            .container {
                padding: 0 16px;
            }
            .info-bar-left .domain-text {
                display: none;
            }
            .info-bar-right a {
                margin-left: 10px;
                font-size: 11px;
            }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                padding: 16px 0 8px;
            }
            .navbar-custom.show {
                display: flex;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .nav-dropdown-menu {
                position: static;
                box-shadow: none;
                border: none;
                padding-left: 16px;
                opacity: 1;
                visibility: visible;
                display: none;
                margin-top: 4px;
            }
            .nav-dropdown.show .nav-dropdown-menu {
                display: block;
            }
            .nav-btn-cta {
                margin-top: 8px;
                align-self: flex-start;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .play-grid {
                grid-template-columns: 1fr;
            }
            .difficulty-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .probability-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-desc-box {
                padding: 20px;
            }
        }

        @media (max-width: 576px) {
            .page-header h1 {
                font-size: 24px;
            }
            .play-card-img {
                height: 160px;
            }
            .breadcrumb-section {
                padding: 20px 0 8px;
            }
            .page-header {
                padding: 12px 0 20px;
            }
            .play-cards-section h2,
            .difficulty-section h2,
            .steps-section h2,
            .misconceptions-section h2,
            .probability-section h2 {
                font-size: 22px;
            }
            .misconception-item {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category4 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 80px 0;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Info Bar ===== */
        .info-bar {
            background: var(--ink);
            padding: 8px 0;
            font-size: 12px;
            border-bottom: 1px solid rgba(245, 241, 234, 0.08);
        }
        .info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .info-bar-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .info-bar-left .domain-text {
            color: rgba(245, 241, 234, 0.5);
            font-family: var(--font-serif);
            font-size: 11.5px;
            letter-spacing: 0.3px;
        }
        .info-bar-left .safety-tag {
            color: var(--copper);
            font-weight: 500;
            font-size: 12px;
        }
        .info-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .info-bar-right a {
            color: rgba(245, 241, 234, 0.75);
            font-size: 12px;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .info-bar-right a:hover { color: var(--green-light); }
        .info-bar-right a i { margin-right: 4px; font-size: 11px; }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #fff;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 23px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
            margin-right: 16px;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
            flex-shrink: 0;
        }
        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }
        .brand-logo:hover { color: var(--ink); }
        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }
        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active { color: var(--ink); }
        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after { width: 100%; }
        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 13.5px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
            cursor: pointer;
        }
        .dropdown-menu-custom {
            position: relative;
        }
        .dropdown-menu-custom .dropdown-toggle-custom {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-soft);
            padding: 6px 2px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .dropdown-menu-custom .dropdown-toggle-custom:hover { color: var(--ink); }
        .dropdown-list {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            z-index: 1020;
        }
        .dropdown-menu-custom.active-drop .dropdown-list,
        .dropdown-menu-custom:hover .dropdown-list {
            opacity: 1;
            visibility: visible;
        }
        .dropdown-list a {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }
        .dropdown-list a:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }
        .dropdown-list a.active-drop-item {
            color: var(--green);
            font-weight: 600;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 28px 0 0;
            background: var(--bg);
        }
        .breadcrumb-section .breadcrumb {
            margin: 0;
            padding: 10px 16px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-section .breadcrumb a {
            color: var(--muted);
            font-weight: 500;
            transition: color var(--transition);
        }
        .breadcrumb-section .breadcrumb a:hover { color: var(--green); }
        .breadcrumb-section .breadcrumb .active {
            color: var(--ink);
            font-weight: 600;
        }
        .breadcrumb-section .breadcrumb i {
            font-size: 10px;
            color: var(--muted);
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: 32px 0 20px;
            background: var(--bg);
        }
        .page-header h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .page-header .header-underline {
            width: 56px;
            height: 3px;
            background: var(--green);
            border-radius: 2px;
            margin-top: 12px;
        }

        /* ===== Section Styles ===== */
        section { padding: 32px 0; }
        .section-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            max-width: 800px;
        }

        /* ===== Story Cards ===== */
        .story-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #d8d2c8;
        }
        .story-card .story-img {
            height: 200px;
            overflow: hidden;
            background: var(--green-light);
            position: relative;
        }
        .story-card .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .story-card:hover .story-img img { transform: scale(1.04); }
        .story-card .story-img .img-placeholder-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 40px;
            color: rgba(13, 122, 95, 0.3);
        }
        .story-card .story-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .story-card .story-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .story-card .story-date {
            font-size: 12.5px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .story-card .story-date i { font-size: 11px; color: var(--copper); }
        .story-card .prize-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--copper-light);
            color: #8a6328;
            border: 1px solid #e8d3b0;
            white-space: nowrap;
        }
        .story-card .story-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
            font-family: var(--font-serif);
        }
        .story-card .story-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex-grow: 1;
        }
        .story-card .read-more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .story-card .read-more-link:hover {
            color: var(--ink);
            gap: 10px;
        }
        .story-card .read-more-link i { font-size: 12px; }

        /* ===== Filter Bar ===== */
        .filter-bar {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .filter-bar .filter-label i { color: var(--green); }
        .filter-bar select {
            background: #fff;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 9px 16px;
            font-size: 14px;
            color: var(--ink-soft);
            min-width: 150px;
            cursor: pointer;
            transition: all var(--transition);
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B6F76' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .filter-bar select:focus {
            border-color: var(--green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.1);
        }
        .filter-bar .filter-btn {
            background: var(--ink);
            color: #fff;
            border: none;
            padding: 9px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-bar .filter-btn:hover {
            background: var(--green);
        }

        /* ===== Responsible Strip ===== */
        .responsible-strip {
            background: var(--green-light);
            border-left: 4px solid var(--green);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .responsible-strip .strip-icon {
            font-size: 24px;
            color: var(--green);
            flex-shrink: 0;
        }
        .responsible-strip .strip-text {
            font-size: 14.5px;
            color: var(--ink-soft);
            line-height: 1.7;
            flex: 1;
            min-width: 200px;
        }
        .responsible-strip .strip-text strong {
            color: var(--ink);
            font-weight: 700;
        }
        .responsible-strip .strip-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--green);
            white-space: nowrap;
            transition: color var(--transition);
        }
        .responsible-strip .strip-link:hover { color: var(--ink); }

        /* ===== Submit Entry ===== */
        .submit-entry-block {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        .submit-entry-block .submit-icon {
            font-size: 40px;
            color: var(--copper);
            flex-shrink: 0;
        }
        .submit-entry-block .submit-content {
            flex: 1;
            min-width: 240px;
        }
        .submit-entry-block .submit-title {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .submit-entry-block .submit-desc {
            font-size: 14px;
            color: rgba(245, 241, 234, 0.7);
            line-height: 1.7;
        }
        .submit-entry-block .submit-btn {
            background: var(--green);
            color: #fff;
            border: none;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .submit-entry-block .submit-btn:hover {
            background: var(--copper);
            color: #fff;
        }

        /* ===== View More ===== */
        .view-more-section {
            text-align: center;
            padding: 20px 0 40px;
        }
        .view-more-btn {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 11px 32px;
            border-radius: var(--radius-sm);
            font-size: 14.5px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .view-more-btn:hover {
            background: var(--ink);
            color: #fff;
        }
        .view-more-btn i { font-size: 12px; }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.6);
            max-width: 280px;
            margin: 0;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(245, 241, 234, 0.6);
            font-size: 13.5px;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--green-light); }
        .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: rgba(245, 241, 234, 0.5);
        }
        .footer-bottom a {
            color: rgba(245, 241, 234, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover { color: var(--green-light); }
        .footer-bottom .sep { margin: 0 6px; color: rgba(245, 241, 234, 0.3); }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .container { max-width: 960px; }
        }
        @media (max-width: 991px) {
            .container { max-width: 720px; }
            .navbar-toggler-custom { display: block; }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                width: 100%;
                padding: 12px 0 4px;
            }
            .navbar-custom.show {
                display: flex;
            }
            .navbar-custom .nav-link-c {
                font-size: 15px;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .navbar-custom .nav-link-c::after { display: none; }
            .nav-btn-cta {
                margin-top: 8px;
                display: block;
                text-align: center;
                width: 100%;
            }
            .dropdown-menu-custom .dropdown-list {
                position: static;
                opacity: 1;
                visibility: visible;
                border: none;
                box-shadow: none;
                padding: 4px 0 4px 16px;
                min-width: auto;
            }
            .dropdown-menu-custom .dropdown-toggle-custom {
                width: 100%;
                justify-content: space-between;
                padding: 8px 0;
                border-bottom: 1px solid var(--border);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-header h1 { font-size: 30px; }
        }
        @media (max-width: 767px) {
            .container { max-width: 100%; padding-left: 16px; padding-right: 16px; }
            .info-bar-left .domain-text { display: none; }
            .info-bar-right a { margin-left: 0; font-size: 11px; }
            .info-bar-right { gap: 10px; }
            section { padding: 24px 0; }
            .page-header { padding: 24px 0 14px; }
            .page-header h1 { font-size: 26px; }
            .section-title { font-size: 20px; }
            .story-card .story-img { height: 160px; }
            .filter-bar { padding: 16px; flex-direction: column; align-items: stretch; gap: 10px; }
            .filter-bar select { min-width: 100%; }
            .filter-bar .filter-btn { width: 100%; }
            .responsible-strip { padding: 14px 16px; }
            .submit-entry-block { padding: 28px 20px; gap: 18px; text-align: center; }
            .submit-entry-block .submit-btn { width: 100%; justify-content: center; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .footer-bottom span { width: 100%; }
            .breadcrumb-section .breadcrumb { font-size: 12px; padding: 8px 12px; }
        }
        @media (max-width: 520px) {
            .page-header h1 { font-size: 24px; }
            .story-card .story-img { height: 140px; }
            .story-card .story-body { padding: 16px 16px 18px; }
            .story-card .story-title { font-size: 15px; }
            .story-card .story-summary { font-size: 13px; }
            .brand-logo { font-size: 20px; }
            .nav-btn-cta { font-size: 13px; padding: 7px 14px; }
        }

/* roulang page: category5 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 64px 0;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 24px; }

        /* ===== Top Info Bar ===== */
        .info-bar {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            font-size: 12px;
            padding: 6px 0;
            min-height: 32px;
            display: flex;
            align-items: center;
        }
        .info-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
        .info-bar-left { display: flex; align-items: center; gap: 12px; }
        .info-bar-left .domain-text { color: rgba(245, 241, 234, 0.5); font-family: var(--font-serif); letter-spacing: 0.5px; }
        .info-bar-left .safety-tag { color: var(--copper); font-weight: 500; }
        .info-bar-right { display: flex; align-items: center; }
        .info-bar-right a {
            color: rgba(245, 241, 234, 0.78);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .info-bar-right a:hover { color: var(--green-light); }
        .info-bar-right a i { margin-right: 4px; font-size: 10px; }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #fff;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }
        .main-nav .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .brand-logo {
            font-family: var(--font-serif);
            font-size: 23px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
        }
        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }
        .brand-logo:hover { color: var(--ink); }
        .navbar-custom { display: flex; align-items: center; gap: 20px; }
        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }
        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active { color: var(--ink); }
        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after { width: 100%; }
        .nav-dropdown { position: relative; }
        .nav-dropdown .dropdown-toggle { cursor: pointer; }
        .nav-dropdown .dropdown-menu-c {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s ease;
            z-index: 1020;
        }
        .nav-dropdown:hover .dropdown-menu-c,
        .nav-dropdown:focus-within .dropdown-menu-c { opacity: 1; visibility: visible; }
        .nav-dropdown .dropdown-menu-c a {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }
        .nav-dropdown .dropdown-menu-c a:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }
        .nav-dropdown .dropdown-menu-c a.active-sub {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
            font-weight: 600;
        }
        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
            cursor: pointer;
        }

        /* ===== Breadcrumb & Page Header ===== */
        .page-header-section {
            padding: 36px 0 20px;
        }
        .breadcrumb-c {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-c a { color: var(--muted); transition: color var(--transition); }
        .breadcrumb-c a:hover { color: var(--green); }
        .breadcrumb-c .sep { color: var(--border); font-size: 10px; }
        .breadcrumb-c .current { color: var(--ink-soft); font-weight: 500; }
        .page-h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-h1 .h1-accent {
            color: var(--green);
            border-bottom: 3px solid var(--copper);
            padding-bottom: 2px;
        }

        /* ===== Section Base ===== */
        .section { padding: var(--section-pad); }
        .section-sm { padding: 40px 0; }
        .section-title {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .section-subtitle {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* ===== Category Intro ===== */
        .cat-intro-box {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink-soft);
            max-width: 900px;
        }
        .cat-intro-box strong { color: var(--ink); font-weight: 600; }

        /* ===== News List ===== */
        .news-list { display: flex; flex-direction: column; gap: 0; }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-list-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .news-date {
            flex-shrink: 0;
            min-width: 76px;
            font-size: 13px;
            color: var(--muted);
            padding-top: 4px;
            font-weight: 400;
            text-align: center;
        }
        .news-date .news-date-day {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            display: block;
            font-family: var(--font-serif);
        }
        .news-date .news-date-month {
            display: block;
            font-size: 12px;
            color: var(--muted);
        }
        .news-body { flex: 1; min-width: 0; }
        .news-title-link {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 6px;
            display: inline-block;
            transition: color var(--transition);
        }
        .news-title-link:hover { color: var(--green); }
        .news-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .news-read-more {
            font-size: 13px;
            color: var(--green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .news-read-more i { font-size: 10px; transition: transform var(--transition); }
        .news-read-more:hover { color: var(--ink); }
        .news-read-more:hover i { transform: translateX(4px); }
        .news-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--green-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green);
            font-size: 22px;
        }
        .news-thumb img { width: 100%; height: 100%; object-fit: cover; }

        /* ===== Policy Cards ===== */
        .policy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .policy-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 26px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .policy-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .policy-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--copper-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--copper);
            font-size: 18px;
        }
        .policy-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .policy-card p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Charity Cards ===== */
        .charity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .charity-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .charity-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .charity-card-img {
            height: 140px;
            background: var(--green-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--green);
            overflow: hidden;
        }
        .charity-card-img img { width: 100%; height: 100%; object-fit: cover; }
        .charity-card-body { padding: 18px 20px; }
        .charity-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--green);
            background: var(--green-light);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .charity-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .charity-card-body p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Subscribe Box ===== */
        .subscribe-box {
            background: var(--ink);
            border-radius: var(--radius);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }
        .subscribe-box-text {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-box-text h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #F5F1EA;
            margin-bottom: 6px;
        }
        .subscribe-box-text p {
            color: rgba(245, 241, 234, 0.65);
            font-size: 14px;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            min-width: 280px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            background: rgba(245, 241, 234, 0.08);
            border: 1px solid rgba(245, 241, 234, 0.2);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #F5F1EA;
            font-size: 14px;
            outline: none;
            transition: all var(--transition);
            min-width: 0;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(245, 241, 234, 0.4);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--green);
            background: rgba(245, 241, 234, 0.12);
            box-shadow: 0 0 0 3px rgba(13, 122, 95, 0.25);
        }
        .subscribe-form button {
            background: var(--green);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover { background: #0A6A52; box-shadow: 0 4px 16px rgba(13, 122, 95, 0.35); }

        /* ===== View More Link ===== */
        .view-more-wrapper { text-align: center; padding-top: 12px; }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 12px 28px;
            border: 1.5px solid var(--ink);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .view-more-link i { font-size: 12px; transition: transform var(--transition); }
        .view-more-link:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .view-more-link:hover i { transform: translateX(4px); }

        /* ===== Section Divider ===== */
        .section-divider {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 0;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            padding: 56px 0 28px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #F5F1EA;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            font-size: 13.5px;
            color: rgba(245, 241, 234, 0.6);
            line-height: 1.9;
            max-width: 340px;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #F5F1EA;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            font-size: 13.5px;
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--green-light); }
        .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 12.5px;
            color: rgba(245, 241, 234, 0.5);
            justify-content: space-between;
        }
        .footer-bottom a {
            color: rgba(245, 241, 234, 0.55);
            transition: color var(--transition);
        }
        .footer-bottom a:hover { color: rgba(245, 241, 234, 0.85); }
        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(245, 241, 234, 0.3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .navbar-toggler-custom { display: block; }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                width: 100%;
                padding: 16px 0 8px;
            }
            .navbar-custom.show { display: flex; }
            .navbar-custom .nav-link-c {
                width: 100%;
                padding: 8px 0;
                font-size: 15px;
            }
            .nav-btn-cta { margin-top: 8px; }
            .nav-dropdown { width: 100%; }
            .nav-dropdown .dropdown-menu-c {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                background: var(--green-light);
                border-radius: var(--radius-sm);
                padding: 4px 12px;
                min-width: auto;
                margin-top: 4px;
                display: none;
            }
            .nav-dropdown.show .dropdown-menu-c { display: block; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .policy-grid { grid-template-columns: 1fr; }
            .charity-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767px) {
            .container { padding: 0 16px; }
            :root { --section-pad: 44px 0; }
            .page-h1 { font-size: 28px; }
            .section-title { font-size: 22px; }
            .info-bar-left .domain-text { display: none; }
            .info-bar-right a { margin-left: 8px; font-size: 11px; }
            .news-list-item { flex-direction: column; gap: 12px; padding: 16px 18px; }
            .news-date { display: flex; align-items: baseline; gap: 6px; text-align: left; min-width: auto; }
            .news-date .news-date-day { font-size: 16px; display: inline; }
            .news-date .news-date-month { font-size: 12px; display: inline; }
            .news-thumb { width: 100%; height: 120px; }
            .charity-grid { grid-template-columns: 1fr; }
            .subscribe-box { padding: 24px 20px; }
            .subscribe-form { flex-direction: column; width: 100%; min-width: auto; }
            .footer-grid { grid-template-columns: 1fr; gap: 22px; }
            .footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
            .footer-bottom .sep { display: none; }
        }
        @media (max-width: 520px) {
            .page-h1 { font-size: 24px; }
            .section-title { font-size: 20px; }
            .brand-logo { font-size: 20px; }
            .news-list-item { padding: 12px 14px; }
            .news-title-link { font-size: 15px; }
            .news-summary { font-size: 13px; line-height: 1.7; }
            .cat-intro-box { padding: 16px 18px; font-size: 14px; }
            .policy-card { padding: 16px 18px; }
            .charity-card-body { padding: 14px 16px; }
        }

/* roulang page: category6 */
:root {
  --ink: #17191E;
  --ink-soft: #2B2D33;
  --muted: #6B6F76;
  --green: #0D7A5F;
  --green-light: #E8F2EF;
  --copper: #C8924A;
  --copper-light: #F5EDDF;
  --bg: #F5F1EA;
  --card: #FFFFFF;
  --border: #E8E4DD;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
  --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
  --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
  --transition: 0.2s ease;
  --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --section-pad: 72px 0;
}

/* ===== Base Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--green); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink); line-height: 1.35; }
h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; font-family: var(--font-serif); }
h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; font-family: var(--font-serif); }
h3 { font-size: clamp(18px, 2.2vw, 22px); font-weight: 600; }
p { margin: 0 0 16px; }
section { padding: var(--section-pad); }
.container { max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ===== Info Bar ===== */
.info-bar {
  background: var(--ink);
  color: rgba(245, 241, 234, 0.7);
  font-size: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(245, 241, 234, 0.08);
}
.info-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.info-bar-left { display: flex; align-items: center; gap: 16px; }
.info-bar-left .domain-text {
  color: rgba(245, 241, 234, 0.5);
  font-family: var(--font-serif);
  font-size: 11.5px;
}
.info-bar-left .safety-tag {
  color: var(--copper);
  font-weight: 500;
  font-size: 11.5px;
}
.info-bar-right { display: flex; align-items: center; }
.info-bar-right a {
  color: rgba(245, 241, 234, 0.8);
  font-size: 11.5px;
  margin-left: 18px;
  transition: color var(--transition);
}
.info-bar-right a:hover { color: var(--green-light); }
.info-bar-right a i { margin-right: 4px; }

/* ===== Main Navigation ===== */
.main-nav {
  background: #fff;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 1px;
  white-space: nowrap;
}
.brand-logo .logo-dot {
  width: 12px;
  height: 12px;
  background: var(--green);
  border-radius: 50%;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}
.brand-logo .logo-dot::after {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--copper);
  border-radius: 50%;
  position: absolute;
  top: -2px;
  right: -2px;
}
.brand-logo:hover { color: var(--ink); }
.navbar-custom {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.navbar-custom .nav-link-c {
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 500;
  padding: 6px 2px;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition);
}
.navbar-custom .nav-link-c::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.navbar-custom .nav-link-c:hover,
.navbar-custom .nav-link-c.active { color: var(--ink); }
.navbar-custom .nav-link-c:hover::after,
.navbar-custom .nav-link-c.active::after { width: 100%; }
.nav-btn-cta {
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-btn-cta:hover {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.navbar-toggler-custom {
  border: none;
  background: transparent;
  font-size: 22px;
  color: var(--ink);
  padding: 6px;
  display: none;
  cursor: pointer;
}
.navbar-toggler-custom:focus { outline: none; }
/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown .dropdown-toggle::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 700;
  border: none;
  margin-left: 4px;
  font-size: 12px;
  vertical-align: middle;
}
.nav-dropdown .dropdown-menu {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  min-width: 180px;
  margin-top: 8px;
}
.nav-dropdown .dropdown-item {
  display: block;
  padding: 8px 18px;
  font-size: 13.5px;
  color: var(--ink-soft);
  transition: all var(--transition);
}
.nav-dropdown .dropdown-item:hover {
  background: var(--green-light);
  color: var(--green);
  padding-left: 22px;
}

/* ===== Breadcrumb ===== */
.breadcrumb-section {
  background: var(--bg);
  padding: 28px 0 0;
}
.breadcrumb-section .container { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--muted); flex-wrap: wrap; }
.breadcrumb-section a { color: var(--green); font-weight: 500; transition: color var(--transition); }
.breadcrumb-section a:hover { color: var(--ink); }
.breadcrumb-section .separator { color: var(--muted); opacity: 0.5; }
.breadcrumb-section .current { color: var(--ink); font-weight: 500; }

/* ===== Category Hero (small) ===== */
.category-hero {
  padding: 32px 0 40px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.category-hero .container { max-width: 960px; }
.category-hero h1 {
  font-size: clamp(28px, 4.5vw, 44px);
  margin-bottom: 12px;
  color: var(--ink);
}
.category-hero .hero-subtitle {
  font-size: 16px;
  color: var(--muted);
  max-width: 720px;
  line-height: 1.8;
}
.category-hero .hero-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

/* ===== Section Common ===== */
.section-title {
  font-size: clamp(20px, 2.8vw, 28px);
  margin-bottom: 10px;
}
.section-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.bg-white-section { background: #fff; }
.bg-warm-section { background: var(--bg); }

/* ===== Responsible Articles Cards ===== */
.resp-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.resp-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.resp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13, 122, 95, 0.2);
}
.resp-card-img {
  height: 180px;
  overflow: hidden;
  background: #f0f0ed;
  position: relative;
}
.resp-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.resp-card:hover .resp-card-img img { transform: scale(1.04); }
.resp-card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.resp-card-icon {
  width: 40px;
  height: 40px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 16px;
  margin-bottom: 10px;
}
.resp-card h3 { font-size: 18px; margin-bottom: 8px; }
.resp-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 14px;
}
.resp-card .card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.resp-card .card-link:hover { gap: 10px; color: var(--ink); }

/* ===== Responsible Rules List ===== */
.rules-container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.rules-list { display: flex; flex-direction: column; gap: 0; }
.rules-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.rules-item:last-child { border-bottom: none; }
.rules-number {
  width: 36px;
  height: 36px;
  background: var(--copper-light);
  color: var(--copper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 2px;
}
.rules-content h3 { font-size: 17px; margin-bottom: 4px; }
.rules-content p { font-size: 14px; color: var(--muted); margin-bottom: 0; line-height: 1.75; }

/* ===== Public Welfare Data Band ===== */
.welfare-band {
  background: var(--ink);
  padding: 56px 0;
  color: rgba(245, 241, 234, 0.85);
}
.welfare-band .section-title { color: #fff; }
.welfare-band .section-desc { color: rgba(245, 241, 234, 0.65); }
.welfare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 24px;
}
.welfare-stat {
  background: rgba(245, 241, 234, 0.04);
  border: 1px solid rgba(245, 241, 234, 0.08);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.welfare-stat:hover {
  background: rgba(13, 122, 95, 0.15);
  border-color: rgba(13, 122, 95, 0.3);
  transform: translateY(-2px);
}
.welfare-stat .stat-number {
  font-size: 34px;
  font-weight: 700;
  color: var(--green-light);
  font-family: var(--font-serif);
  line-height: 1.2;
  margin-bottom: 6px;
}
.welfare-stat .stat-label {
  font-size: 13px;
  color: rgba(245, 241, 234, 0.65);
  line-height: 1.6;
}

/* ===== Help Entry ===== */
.help-entry {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}
.help-entry-icon {
  width: 64px;
  height: 64px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 26px;
  flex-shrink: 0;
}
.help-entry-content { flex: 1; min-width: 240px; }
.help-entry-content h3 { font-size: 20px; margin-bottom: 8px; }
.help-entry-content p {
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 0;
  line-height: 1.8;
}
.help-entry .help-btn {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.help-entry .help-btn:hover {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-md);
}

/* ===== More Link ===== */
.more-link-wrap {
  text-align: center;
  padding: 8px 0 0;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  transition: all var(--transition);
}
.more-link:hover {
  background: var(--ink);
  color: #fff;
  gap: 12px;
}

/* ===== Responsible Intro Block ===== */
.intro-block {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 32px;
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow-sm);
}
.intro-block p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
  margin-bottom: 0;
}

/* ===== Footer ===== */
.footer {
  background: var(--ink);
  color: rgba(245, 241, 234, 0.75);
  padding: 60px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-brand .brand-logo-footer {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245, 241, 234, 0.6);
  margin-bottom: 0;
  max-width: 360px;
}
.footer-heading {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 13.5px;
  color: rgba(245, 241, 234, 0.6);
  transition: all var(--transition);
}
.footer-links a:hover {
  color: var(--green-light);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(245, 241, 234, 0.1);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
  font-size: 12.5px;
  color: rgba(245, 241, 234, 0.5);
  justify-content: space-between;
}
.footer-bottom a {
  color: rgba(245, 241, 234, 0.5);
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--green-light); }
.footer-bottom .sep { margin: 0 8px; opacity: 0.3; }

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .container { max-width: 720px; }
  .navbar-custom { gap: 14px; }
  .navbar-custom .nav-link-c { font-size: 13.5px; }
  .nav-btn-cta { padding: 7px 14px; font-size: 13px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .help-entry { padding: 28px 24px; }
  .rules-container { padding: 24px; }
}

@media (max-width: 767px) {
  .container { max-width: 100%; padding-left: 16px; padding-right: 16px; }
  section { padding: 48px 0; }
  .info-bar-left .domain-text { display: none; }
  .info-bar-right a { margin-left: 10px; font-size: 11px; }
  .main-nav .container { flex-wrap: wrap; }
  .navbar-toggler-custom { display: block; }
  .navbar-custom {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding: 16px 0 8px;
    gap: 12px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
  }
  .navbar-custom.show { display: flex; }
  .navbar-custom .nav-link-c { width: 100%; font-size: 14px; padding: 8px 0; }
  .navbar-custom .nav-link-c::after { bottom: 0; }
  .nav btn-cta { width: 100%; text-align: center; margin-top: 8px; }
  .nav-btn-cta { width: 100%; text-align: center; margin-top: 4px; }
  .nav-dropdown .dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    margin-top: 0;
  }
  .nav-dropdown .dropdown-item { padding: 6px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .help-entry { flex-direction: column; align-items: flex-start; }
  .welfare-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .welfare-stat { padding: 16px; }
  .welfare-stat .stat-number { font-size: 24px; }
  .category-hero { padding: 24px 0 32px; }
  .breadcrumb-section { padding: 20px 0 0; }
}

@media (max-width: 520px) {
  .resp-card-grid { grid-template-columns: 1fr; }
  .welfare-grid { grid-template-columns: 1fr; }
  .rules-item { flex-direction: column; gap: 10px; }
  .rules-number { width: 30px; height: 30px; font-size: 13px; }
  .help-entry { padding: 20px 16px; }
  .intro-block { padding: 20px 16px; }
  .more-link { width: 100%; justify-content: center; }
  .category-hero h1 { font-size: 26px; }
}

/* roulang page: category7 */
:root {
            --ink: #17191E;
            --ink-soft: #2B2D33;
            --muted: #6B6F76;
            --green: #0D7A5F;
            --green-light: #E8F2EF;
            --copper: #C8924A;
            --copper-light: #F5EDDF;
            --bg: #F5F1EA;
            --card: #FFFFFF;
            --border: #E8E4DD;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(23, 25, 30, 0.06);
            --shadow-md: 0 4px 16px rgba(23, 25, 30, 0.08);
            --shadow-lg: 0 8px 24px rgba(23, 25, 30, 0.10);
            --transition: 0.2s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --section-pad: 80px 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--ink-soft);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ===== Top Info Bar ===== */
        .info-bar {
            background: var(--ink);
            padding: 8px 0;
            font-size: 12px;
            color: rgba(245, 241, 234, 0.75);
        }

        .info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .info-bar-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .info-bar-left .domain-text {
            color: rgba(245, 241, 234, 0.55);
            font-family: var(--font-serif);
            letter-spacing: 0.5px;
        }

        .info-bar-left .safety-tag {
            color: var(--copper);
            font-weight: 500;
            font-size: 12px;
        }

        .info-bar-right {
            display: flex;
            align-items: center;
        }

        .info-bar-right a {
            color: rgba(245, 241, 234, 0.8);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }

        .info-bar-right a:hover {
            color: var(--green-light);
        }

        /* ===== Main Navigation ===== */
        .main-nav {
            background: #fff;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 1px 3px rgba(23, 25, 30, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .brand-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 1px;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            background: var(--green);
            border-radius: 50%;
            display: inline-block;
            position: relative;
            flex-shrink: 0;
        }

        .brand-logo .logo-dot::after {
            content: '';
            width: 4px;
            height: 4px;
            background: var(--copper);
            border-radius: 50%;
            position: absolute;
            top: -2px;
            right: -2px;
        }

        .brand-logo:hover {
            color: var(--ink);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .navbar-custom .nav-link-c {
            color: var(--ink-soft);
            font-size: 14.5px;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .navbar-custom .nav-link-c::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--green);
            transition: width var(--transition);
        }

        .navbar-custom .nav-link-c:hover,
        .navbar-custom .nav-link-c.active {
            color: var(--ink);
        }

        .navbar-custom .nav-link-c:hover::after,
        .navbar-custom .nav-link-c.active::after {
            width: 100%;
        }

        .nav-btn-cta {
            background: transparent;
            border: 1.5px solid var(--ink);
            color: var(--ink);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-block;
        }

        .nav-btn-cta:hover {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }

        .navbar-toggler-custom {
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--ink);
            padding: 6px;
            display: none;
            cursor: pointer;
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown .dropdown-menu-custom {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 8px 0;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.2s ease, visibility 0.2s;
            position: absolute;
            top: 100%;
            left: 0;
            z-index: 1020;
            display: block;
        }

        .nav-dropdown:hover .dropdown-menu-custom,
        .nav-dropdown:focus-within .dropdown-menu-custom {
            opacity: 1;
            visibility: visible;
        }

        .nav-dropdown .dropdown-item-custom {
            display: block;
            padding: 8px 18px;
            font-size: 13.5px;
            color: var(--ink-soft);
            transition: all var(--transition);
        }

        .nav-dropdown .dropdown-item-custom:hover {
            background: var(--green-light);
            color: var(--green);
            padding-left: 22px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-custom {
            background: transparent;
            margin: 0;
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--muted);
            transition: color var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--green);
        }

        .breadcrumb-custom .separator {
            color: var(--border);
            font-size: 11px;
        }

        .breadcrumb-custom .current {
            color: var(--ink);
            font-weight: 500;
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: 28px 0 36px;
        }

        .page-header h1 {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .page-header .lead-text {
            font-size: 15.5px;
            color: var(--muted);
            max-width: 780px;
            line-height: 1.8;
        }

        /* ===== Section Common ===== */
        .section-custom {
            padding: 48px 0;
        }

        .section-custom-alt {
            padding: 48px 0;
            background: var(--card);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 14.5px;
            color: var(--muted);
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* ===== Tool Cards ===== */
        .tool-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tool-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

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

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--green-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--green);
            font-size: 20px;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .tool-card:hover .tool-icon {
            background: var(--green);
            color: #fff;
        }

        .tool-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .tool-card p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .tool-card .tool-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

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

        /* ===== Update Section ===== */
        .update-section {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: center;
        }

        .update-image-wrapper {
            background: var(--green-light);
            border-radius: var(--radius);
            overflow: hidden;
            height: 280px;
            position: relative;
        }

        .update-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .update-content h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
        }

        .update-content p {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .update-content .update-tag {
            display: inline-block;
            background: var(--copper-light);
            color: var(--copper);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        /* ===== Data Source ===== */
        .data-source-block {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
        }

        .data-source-block h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .data-source-block h3 i {
            color: var(--green);
            font-size: 18px;
        }

        .data-source-block p {
            font-size: 14.5px;
            color: var(--ink-soft);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        /* ===== Tips ===== */
        .tips-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 14px;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14.5px;
            color: var(--ink-soft);
            line-height: 1.7;
            padding: 14px 18px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .tips-list li:hover {
            border-color: var(--green);
            background: var(--green-light);
        }

        .tips-list li i {
            color: var(--green);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== More Link ===== */
        .more-link-wrapper {
            display: flex;
            justify-content: center;
            padding: 12px 0 20px;
        }

        .more-link-custom {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--green);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border: 1.5px solid var(--green);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .more-link-custom:hover {
            background: var(--green);
            color: #fff;
            gap: 12px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--ink);
            color: rgba(245, 241, 234, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(245, 241, 234, 0.12);
        }

        .footer-brand .brand-logo-footer {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(245, 241, 234, 0.6);
            max-width: 300px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--green-light);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            padding: 20px 0;
            font-size: 12.5px;
            color: rgba(245, 241, 234, 0.5);
        }

        .footer-bottom a {
            color: rgba(245, 241, 234, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom .sep {
            color: rgba(245, 241, 234, 0.3);
            margin: 0 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .tool-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .tool-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .update-section {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .update-image-wrapper {
                height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-header h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 767px) {
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                width: 100%;
                padding: 16px 0 8px;
            }
            .navbar-custom.show-mobile {
                display: flex;
            }
            .navbar-custom .nav-link-c {
                font-size: 15px;
                padding: 6px 0;
                width: 100%;
            }
            .nav-dropdown {
                width: 100%;
            }
            .nav-dropdown .dropdown-menu-custom {
                position: static;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                border: none;
                padding: 0;
                min-width: auto;
                display: none;
            }
            .nav-dropdown.show-mobile .dropdown-menu-custom {
                display: block;
                padding-left: 16px;
            }
            .nav-btn-cta {
                width: 100%;
                text-align: center;
                margin-top: 4px;
            }
            .info-bar-left .domain-text {
                display: none;
            }
            .info-bar .container {
                font-size: 11px;
            }
            .info-bar-right a {
                margin-left: 10px;
                font-size: 11px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .tool-card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .data-source-block {
                padding: 24px 18px;
            }
        }

        @media (max-width: 575px) {
            .tool-card-grid {
                grid-template-columns: 1fr;
            }
            .page-header h1 {
                font-size: 24px;
                line-height: 1.4;
            }
            .update-image-wrapper {
                height: 180px;
            }
            .more-link-custom {
                width: 100%;
                justify-content: center;
            }
            .info-bar-left .safety-tag {
                font-size: 11px;
            }
        }

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