/* roulang page: index */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Typography */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-sans);
            color: var(--dark);
            line-height: 1.3;
            margin-top: 0;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(32px, 5.2vw, 56px);
            font-weight: 700;
            color: var(--dark);
        }

        h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
        }

        p {
            margin: 0 0 16px;
        }

        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-white {
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .brand-logo span {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav>li {
            list-style: none;
            margin: 0;
            position: relative;
        }

        .main-nav>li>a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a:focus,
        .main-nav>li>a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }

        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-bottom-color: #fff;
        }

        .main-nav>li.has-mega:hover .mega-panel,
        .main-nav>li.has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 20px;
        }

        .mega-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: background-color 0.2s ease;
        }

        .mega-item:hover {
            background-color: rgba(216, 70, 31, 0.05);
        }

        .mega-item .mega-icon {
            width: 38px;
            height: 38px;
            background: rgba(216, 70, 31, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .mega-item .mega-text {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.4;
        }
        .mega-item .mega-text strong {
            display: block;
            font-size: 14px;
            color: var(--dark);
            font-weight: 600;
            margin-bottom: 2px;
        }

        /* Mobile Nav */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--dark);
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        /* Sections */
        .site-main {
            background: var(--body-bg);
        }

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

        .section-alt {
            background: #fff;
        }

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

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark p,
        .section-dark .text-muted {
            color: rgba(255,255,255,0.72);
        }

        .section-heading {
            max-width: 680px;
            margin-bottom: 36px;
        }

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

        .section-heading p {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* Hero - Card Stack */
        .hero-section {
            padding: 56px 0 72px;
            background: var(--body-bg);
            position: relative;
            overflow: hidden;
            min-height: 88vh;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/7a8e72cfc8eddf01.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31,58,52,0.8) 0%, rgba(216,70,31,0.2) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-card-stack {
            position: relative;
            min-height: 420px;
        }

        .hero-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 26px 28px;
            position: absolute;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hero-card.main-card {
            top: 20%;
            left: 5%;
            right: 10%;
            z-index: 3;
            padding: 32px;
            border-left: 5px solid var(--primary);
        }

        .hero-card.side-card-1 {
            top: 0;
            right: 0;
            width: 52%;
            z-index: 2;
            background: var(--secondary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transform: rotate(2deg);
        }

        .hero-card.side-card-2 {
            bottom: 6%;
            left: 0;
            width: 48%;
            z-index: 4;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 2px solid var(--accent);
            transform: rotate(-1.5deg);
        }

        .hero-card.side-card-1 h4,
        .hero-card.side-card-2 h4 {
            font-size: 15px;
            margin-bottom: 6px;
            color: inherit;
        }

        .hero-card.side-card-1 p,
        .hero-card.side-card-2 p {
            font-size: 13px;
            margin-bottom: 0;
            color: inherit;
            opacity: 0.85;
            line-height: 1.5;
        }

        .hero-card.main-card h1 {
            font-size: clamp(30px, 4.2vw, 48px);
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-card.main-card h1 .highlight {
            color: var(--primary);
        }

        .hero-card.main-card .hero-desc {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--muted);
        }

        .hero-stats strong {
            display: block;
            font-size: 20px;
            color: var(--dark);
            font-variant-numeric: tabular-nums;
        }

        /* Buttons */
        .button {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            display: inline-block;
            transition: all 0.25s ease;
            letter-spacing: 0.01em;
        }

        .button-primary {
            background: var(--primary);
            color: #fff;
        }
        .button-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(216,70,31,0.25);
        }

        .button-secondary {
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
        }
        .button-secondary:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }

        .button-accent {
            background: var(--accent);
            color: var(--dark);
        }
        .button-accent:hover {
            background: #d99a0e;
            color: var(--dark);
            transform: translateY(-2px);
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

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

        .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #EDE9E2;
            position: relative;
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .card-body {
            padding: 18px 20px;
        }

        .card-body h3 {
            font-size: 17px;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

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

        .card-body p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 12px;
            line-height: 1.65;
        }

        .card-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        .card-tag {
            display: inline-block;
            background: rgba(216,70,31,0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        /* Grid system */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        /* Brand intro */
        .brand-intro {
            font-size: 17px;
            line-height: 1.9;
            color: var(--dark);
            max-width: 820px;
            margin: 0 auto;
        }

        .brand-intro p {
            margin-bottom: 18px;
        }

        /* Calendar */
        .calendar-list {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .calendar-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border);
            transition: background-color 0.2s ease;
        }

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

        .calendar-item:hover {
            background: rgba(216,70,31,0.04);
        }

        .calendar-date {
            min-width: 64px;
            text-align: center;
            background: var(--secondary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 4px;
            font-weight: 600;
            font-size: 13px;
            line-height: 1.3;
            flex-shrink: 0;
        }

        .calendar-date strong {
            display: block;
            font-size: 20px;
            font-weight: 700;
        }

        .calendar-body {
            flex: 1;
        }
        .calendar-body strong {
            display: block;
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 3px;
        }
        .calendar-body span {
            font-size: 13px;
            color: var(--muted);
        }

        /* Data bars */
        .data-bar {
            margin-bottom: 18px;
        }
        .data-bar .data-label {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            color: #fff;
            margin-bottom: 6px;
        }
        .data-bar .data-track {
            height: 8px;
            background: rgba(255,255,255,0.2);
            border-radius: 4px;
            overflow: hidden;
        }
        .data-bar .data-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 4px;
            transition: width 1s ease;
        }

        /* Steps */
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }

        .step-number {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .step-item h4 {
            font-size: 16px;
            margin-bottom: 4px;
            color: var(--dark);
            font-weight: 600;
        }
        .step-item p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* Partner */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 18px;
        }

        .partner-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 10px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            transition: border-color 0.2s ease, transform 0.2s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .partner-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .partner-item .partner-icon {
            font-size: 28px;
            opacity: 0.7;
        }

        /* Quick links */
        .quick-link-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 16px;
            text-align: center;
            transition: all 0.25s ease;
            display: block;
            color: var(--dark);
        }

        .quick-link-card:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 10px 24px rgba(216,70,31,0.2);
        }

        .quick-link-card .quick-icon {
            font-size: 32px;
            display: block;
            margin-bottom: 10px;
        }
        .quick-link-card strong {
            font-size: 15px;
            font-weight: 600;
        }

        /* Community */
        .community-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px 20px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .community-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .community-card h4 {
            font-size: 15px;
            margin-bottom: 4px;
            font-weight: 600;
            color: var(--dark);
        }
        .community-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 6px;
            line-height: 1.55;
        }
        .community-card .community-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 16px;
        }

        /* Subscribe */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 15px;
            background: #fff;
            color: var(--dark);
            transition: border-color 0.2s ease;
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            outline: none;
        }
        .subscribe-form input::placeholder {
            color: #9a9a96;
        }

        /* CTA Bottom */
        .cta-banner {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 36px;
            align-items: center;
            overflow: hidden;
            position: relative;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 180%;
            background: rgba(216,70,31,0.2);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            font-size: clamp(22px, 2.6vw, 30px);
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-banner p {
            color: rgba(255,255,255,0.75);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            z-index: 1;
        }
        .cta-banner .cta-img img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #fff;
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-logo span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-card-stack {
                min-height: 360px;
            }
            .grid-4,
            .grid-6 {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-banner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .cta-banner .cta-img {
                max-width: 420px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 8px;
                padding-bottom: 12px;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav>li {
                width: 100%;
            }
            .main-nav>li>a {
                padding: 12px 10px;
                display: block;
                border-bottom: 1px solid var(--border);
            }
            .main-nav>li>a.active::after {
                display: none;
            }
            .main-nav>li>a.active {
                background: rgba(216,70,31,0.08);
                color: var(--primary);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                display: block;
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                min-width: 100%;
                box-shadow: none;
                border-top: 1px solid var(--border);
                border-radius: 0;
                padding: 14px 16px;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .main-nav>li.has-mega:hover .mega-panel,
            .main-nav>li.has-mega:focus-within .mega-panel {
                transform: none;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .grid-2,
            .grid-3,
            .grid-4,
            .grid-6 {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-card-stack {
                min-height: 320px;
            }
            .hero-card.main-card {
                left: 0;
                right: 0;
                top: 12%;
                padding: 20px 22px;
            }
            .hero-card.side-card-1,
            .hero-card.side-card-2 {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .hero-card.main-card h1 {
                font-size: 27px;
            }
            .hero-card.main-card .hero-desc {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .button {
                width: 100%;
                text-align: center;
            }
            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .cta-banner {
                padding: 32px 22px;
            }
            .cta-banner::before {
                display: none;
            }
            .partner-grid {
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #D8461F;
      --primary-dark: #A93413;
      --secondary: #1F3A34;
      --accent: #F2B01E;
      --dark: #1E1E1E;
      --body-bg: #F7F5F0;
      --card-bg: #FFFFFF;
      --muted: #6B6B67;
      --border: #E4E0D8;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 10px;
      --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
      --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
      --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
      --section-gap: 72px;
      --section-gap-mobile: 44px;
      --container-max: 1200px;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.72;
      color: var(--dark);
      background-color: var(--body-bg);
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    }
    a:hover {
      color: var(--primary-dark);
    }
    a:focus,
    button:focus,
    input:focus,
    .button:focus {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
    }
    button,
    input {
      font-family: inherit;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .text-primary { color: var(--primary); }
    .text-secondary { color: var(--secondary); }
    .text-muted { color: var(--muted); }
    .text-accent { color: var(--accent); }
    .text-white { color: #fff; }
    .section-label {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .section-title {
      font-size: 30px;
      line-height: 1.25;
      font-weight: 700;
      color: var(--secondary);
      margin: 0 0 14px;
      letter-spacing: -0.01em;
    }
    .section-desc {
      font-size: 16px;
      color: var(--muted);
      max-width: 720px;
      margin: 0 auto 32px;
      line-height: 1.75;
    }
    .section-block {
      padding: var(--section-gap) 0;
      background-color: var(--body-bg);
    }
    .section-block-alt {
      padding: var(--section-gap) 0;
      background-color: #fff;
    }
    .button {
      display: inline-block;
      font-weight: 600;
      font-size: 15px;
      border-radius: var(--radius-md);
      padding: 12px 24px;
      cursor: pointer;
      border: 2px solid transparent;
      text-align: center;
      transition: all 0.25s ease;
      line-height: 1.4;
    }
    .button-primary {
      background: var(--primary);
      color: #fff;
    }
    .button-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(216,70,31,0.22);
    }
    .button-secondary {
      background: transparent;
      color: var(--secondary);
      border-color: var(--secondary);
    }
    .button-secondary:hover {
      background: var(--secondary);
      color: #fff;
      transform: translateY(-2px);
    }
    .button-small {
      padding: 8px 16px;
      font-size: 14px;
    }
    /* Header */
    .site-header {
      background-color: #fff;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 12px rgba(30,30,30,0.05);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      min-height: 68px;
    }
    .brand-logo {
      font-size: 26px;
      font-weight: 700;
      color: var(--dark);
      display: flex;
      align-items: center;
      gap: 8px;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }
    .brand-logo .logo-mark {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .brand-logo:hover { color: var(--primary-dark); }
    .brand-logo span { color: var(--primary); }
    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      font-size: 22px;
      color: var(--dark);
      cursor: pointer;
      line-height: 1;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .main-nav > li {
      list-style: none;
      margin: 0;
      position: relative;
    }
    .main-nav > li > a {
      display: block;
      padding: 12px 16px;
      font-size: 15px;
      font-weight: 600;
      color: var(--dark);
      border-radius: var(--radius-sm);
      position: relative;
      white-space: nowrap;
      transition: color 0.2s ease, background-color 0.2s ease;
    }
    .main-nav > li > a:hover,
    .main-nav > li > a:focus,
    .main-nav > li > a.active {
      color: var(--primary);
      background-color: rgba(216,70,31,0.06);
    }
    .main-nav > li > a.active::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta {
      background: var(--primary);
      color: #fff !important;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 14px;
      margin-left: 10px;
      white-space: nowrap;
    }
    .nav-cta:hover {
      background: var(--primary-dark) !important;
      color: #fff !important;
      transform: translateY(-1px);
    }
    /* Mega Menu */
    .mega-panel {
      position: absolute;
      top: calc(100% + 6px);
      left: 50%;
      transform: translateX(-50%) translateY(8px);
      background: #fff;
      border-radius: var(--radius-md);
      box-shadow: 0 16px 40px rgba(30,30,30,0.14);
      padding: 22px 26px;
      min-width: 520px;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
      z-index: 200;
      border-top: 3px solid var(--primary);
    }
    .has-mega:hover .mega-panel,
    .has-mega:focus-within .mega-panel {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }
    .mega-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }
    .mega-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: var(--dark);
      background-color: #fff;
      transition: all 0.2s ease;
    }
    .mega-item:hover {
      background-color: #FBF4F1;
      color: var(--primary);
    }
    .mega-icon {
      font-size: 22px;
      line-height: 1.3;
      flex-shrink: 0;
    }
    .mega-text {
      display: flex;
      flex-direction: column;
      font-size: 14px;
      line-height: 1.45;
    }
    .mega-text strong {
      font-size: 15px;
      color: var(--dark);
      margin-bottom: 2px;
    }
    /* Breadcrumb */
    .breadcrumb {
      font-size: 14px;
      color: var(--muted);
      margin: 20px 0 8px;
    }
    .breadcrumb a {
      color: var(--muted);
    }
    .breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb .sep {
      margin: 0 8px;
      color: #B8B3A8;
    }
    .page-heading {
      background-color: #fff;
      border-bottom: 1px solid var(--border);
      padding: 36px 0 28px;
    }
    .page-heading h1 {
      font-size: 40px;
      font-weight: 700;
      color: var(--dark);
      margin: 0 0 12px;
      letter-spacing: -0.02em;
    }
    .page-heading p {
      font-size: 17px;
      color: var(--muted);
      max-width: 820px;
      margin: 0;
      line-height: 1.75;
    }
    /* Filter Pills */
    .filter-bar {
      background-color: #fff;
      border-bottom: 1px solid var(--border);
      padding: 18px 0;
      position: relative;
      z-index: 5;
    }
    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .filter-pills li a,
    .filter-pills li button {
      display: inline-block;
      background: #fff;
      color: var(--dark);
      border: 1px solid var(--border);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-pills li a:hover,
    .filter-pills li button:hover,
    .filter-pills li a.active,
    .filter-pills li button.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 4px 10px rgba(216,70,31,0.2);
    }
    /* Card grid */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .train-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .train-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .train-card .card-img {
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #EFEBE2;
      position: relative;
    }
    .train-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .train-card:hover .card-img img {
      transform: scale(1.05);
    }
    .train-card .card-body {
      padding: 18px 20px 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .train-card .card-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--dark);
      margin: 0 0 8px;
      line-height: 1.4;
    }
    .train-card:hover .card-title {
      color: var(--primary);
    }
    .train-card .card-summary {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }
    .train-card .card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #8E8B82;
      border-top: 1px solid var(--border);
      padding-top: 12px;
    }
    .card-meta .tag {
      background: #F0EDE5;
      color: var(--secondary);
      padding: 2px 10px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
    }
    /* Featured row */
    .featured-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 28px;
    }
    .featured-card {
      display: flex;
      flex-direction: column;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      position: relative;
    }
    .featured-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .featured-card .rank {
      position: absolute;
      top: 12px;
      right: 16px;
      font-size: 30px;
      font-weight: 700;
      color: #EFE9DF;
      line-height: 1;
    }
    .featured-card h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      margin: 8px 0 6px;
    }
    .featured-card p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
    }
    /* Stats */
    .stats-band {
      background: var(--secondary);
      color: #fff;
      padding: 40px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-item .stat-number {
      font-size: 44px;
      font-weight: 700;
      line-height: 1.1;
      color: var(--accent);
      font-variant-numeric: tabular-nums;
    }
    .stat-item .stat-label {
      font-size: 15px;
      color: rgba(255,255,255,0.82);
      margin-top: 6px;
    }
    /* Related topic strips */
    .topic-strip {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 24px;
    }
    .topic-item {
      display: flex;
      gap: 18px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .topic-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .topic-item img {
      width: 120px;
      height: 80px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      flex-shrink: 0;
    }
    .topic-item .topic-info {
      flex: 1;
    }
    .topic-item .topic-info h4 {
      font-size: 17px;
      font-weight: 600;
      color: var(--dark);
      margin: 0 0 4px;
    }
    .topic-item .topic-info p {
      font-size: 14px;
      color: var(--muted);
      margin: 0;
      line-height: 1.6;
    }
    .topic-item .topic-link {
      font-weight: 600;
      font-size: 14px;
      color: var(--primary);
      white-space: nowrap;
    }
    /* Subscribe CTA */
    .subscribe-section {
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .subscribe-box {
      background: var(--body-bg);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-sm);
    }
    .subscribe-box .subscribe-text {
      flex: 1 1 300px;
    }
    .subscribe-box .subscribe-text h2 {
      font-size: 24px;
      font-weight: 700;
      color: var(--secondary);
      margin: 0 0 8px;
    }
    .subscribe-box .subscribe-text p {
      font-size: 15px;
      color: var(--muted);
      margin: 0;
    }
    .subscribe-form {
      flex: 1 1 260px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .subscribe-form input[type="email"] {
      flex: 1 1 200px;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      font-size: 15px;
      background: #fff;
      color: var(--dark);
    }
    .subscribe-form input[type="email"]::placeholder {
      color: #A8A49B;
    }
    .subscribe-form .button {
      flex: 0 0 auto;
    }
    /* Community extension */
    .community-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 24px;
    }
    .community-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 18px 18px 14px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .community-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .community-card .community-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 8px;
    }
    .community-card .community-text {
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 12px;
      line-height: 1.65;
    }
    .community-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: #8E8B82;
    }
    .community-meta .avatar {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .section-cta-center {
      text-align: center;
      margin-top: 28px;
    }
    /* Footer */
    .site-footer {
      background: var(--secondary);
      color: #fff;
      padding: 56px 0 24px;
      margin-top: 0;
    }
    .site-footer .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }
    .site-footer .footer-brand .brand-logo {
      color: #fff;
      font-size: 24px;
      margin-bottom: 12px;
      display: inline-flex;
    }
    .site-footer .footer-brand .brand-logo span {
      color: var(--accent);
    }
    .site-footer .footer-brand p {
      font-size: 14px;
      line-height: 1.75;
      color: rgba(255,255,255,0.72);
      max-width: 320px;
      margin: 0;
    }
    .site-footer .footer-col h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--accent);
      margin: 0 0 14px;
    }
    .site-footer .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .site-footer .footer-col ul li {
      margin-bottom: 8px;
    }
    .site-footer .footer-col ul li a {
      color: rgba(255,255,255,0.78);
      font-size: 14px;
      transition: color 0.2s ease;
    }
    .site-footer .footer-col ul li a:hover {
      color: #fff;
    }
    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 10px 18px;
      padding-top: 20px;
      font-size: 12px;
      color: rgba(255,255,255,0.7);
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.7);
    }
    .footer-bottom a:hover {
      color: #fff;
    }
    /* Responsive */
    @media (max-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .featured-row,
      .community-grid {
        grid-template-columns: 1fr 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-header .container {
        min-height: 60px;
      }
      .nav-toggle {
        display: block;
      }
      .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 10px 0 16px;
        gap: 2px;
        background: #fff;
        border-top: 1px solid var(--border);
        margin-top: 10px;
      }
      .main-nav.nav-open {
        display: flex;
      }
      .main-nav > li > a {
        padding: 12px 12px;
        font-size: 16px;
      }
      .main-nav > li > a.active::after {
        display: none;
      }
      .nav-cta {
        margin: 8px 0 0;
        text-align: center;
      }
      .has-mega .mega-panel {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        min-width: 0;
        box-shadow: none;
        padding: 8px 0 0 12px;
        border-top: none;
        background: transparent;
      }
      .has-mega:hover .mega-panel,
      .has-mega:focus-within .mega-panel {
        transform: none;
      }
      .mega-grid {
        grid-template-columns: 1fr;
      }
      .mega-item {
        background: #F7F5F0;
        padding: 8px 10px;
      }
      .page-heading h1 {
        font-size: 30px;
      }
      .section-title {
        font-size: 24px;
      }
      .section-block,
      .section-block-alt {
        padding: var(--section-gap-mobile) 0;
      }
      .card-grid,
      .featured-row,
      .community-grid,
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .topic-item {
        flex-direction: column;
        align-items: flex-start;
      }
      .topic-item img {
        width: 100%;
        height: 180px;
      }
      .subscribe-box {
        flex-direction: column;
        align-items: stretch;
      }
      .subscribe-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .brand-logo {
        font-size: 22px;
      }
      .brand-logo .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 16px;
      }
      .page-heading h1 {
        font-size: 26px;
      }
      .filter-pills li a,
      .filter-pills li button {
        padding: 6px 12px;
        font-size: 13px;
      }
      .stat-item .stat-number {
        font-size: 34px;
      }
    }

/* roulang page: category1 */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .text-primary { color: var(--primary); }
        .text-secondary { color: var(--secondary); }
        .text-muted { color: var(--muted); }
        .text-accent { color: var(--accent); }
        .text-white { color: #fff; }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .brand-logo span {
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            font-size: 24px;
            color: var(--dark);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            line-height: 1;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            margin: 0;
            list-style: none;
            padding: 0;
        }
        .main-nav>li {
            list-style: none;
            margin: 0;
            position: relative;
        }
        .main-nav>li>a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
            text-decoration: none;
        }
        .main-nav>li>a:hover,
        .main-nav>li>a:focus,
        .main-nav>li>a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }
        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-bottom-color: var(--primary);
        }
        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .mega-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            background: #FAF9F7;
            text-decoration: none;
            color: var(--dark);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }
        .mega-item:hover {
            background: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .mega-icon {
            font-size: 26px;
            flex-shrink: 0;
        }
        .mega-text {
            display: flex;
            flex-direction: column;
            line-height: 1.4;
        }
        .mega-text strong {
            font-size: 14px;
            font-weight: 600;
        }
        .mega-text small {
            font-size: 12px;
            color: var(--muted);
        }

        /* Breadcrumb */
        .page-breadcrumb {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }
        .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '›';
            color: var(--muted);
            margin-left: 4px;
        }
        .breadcrumb-list a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
        }
        .breadcrumb-list a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb-list .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Category Header */
        .category-header {
            background: linear-gradient(135deg, #fff 0%, #F7F5F0 100%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
        }
        .category-header h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .category-header h1 span {
            color: var(--primary);
        }
        .category-header .lead {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        /* Filter Tags */
        .filter-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .filter-tags li a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            background: #F7F5F0;
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tags li a:hover,
        .filter-tags li a:focus {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .filter-tags li a.active-tag {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        /* Main Content Sections */
        main {
            display: block;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-dark .section-label {
            color: var(--accent);
        }
        .section-dark h2 {
            color: #fff;
        }
        .section-dark .text-muted {
            color: rgba(255,255,255,0.65);
        }
        .section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 12px;
            letter-spacing: -0.005em;
            line-height: 1.3;
        }
        .section h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.4;
            margin: 0;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 680px;
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 28px;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8E4DC;
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 10px;
            line-height: 1.45;
            transition: color 0.2s ease;
        }
        .card:hover .card-title {
            color: var(--primary);
        }
        .card-body .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Editor Picks */
        .editor-picks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .pick-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }
        .pick-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .pick-number {
            font-size: 38px;
            font-weight: 700;
            color: var(--primary);
            opacity: 0.25;
            line-height: 1;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
            min-width: 44px;
        }
        .pick-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .pick-content p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Stats Bar */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            margin-top: 16px;
        }
        .stat-item {
            padding: 20px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            display: block;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.8);
            letter-spacing: 0.3px;
        }

        /* Related Topics */
        .topics-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 28px;
        }
        .topic-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }
        .topic-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .topic-item .topic-thumb {
            width: 96px;
            height: 64px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #E8E4DC;
        }
        .topic-item .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-item .topic-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 4px;
        }
        .topic-item .topic-info p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* Subscribe CTA */
        .subscribe-box {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            box-shadow: var(--shadow-md);
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }
        .subscribe-box h2 {
            margin-bottom: 8px;
        }
        .subscribe-box .subscribe-desc {
            font-size: 15px;
            color: var(--muted);
            margin: 0 0 24px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 13px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 15px;
            color: var(--dark);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(216,70,31,0.12);
            outline: none;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: #A0A09C;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
            padding: 11px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-secondary:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Community */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 28px;
        }
        .community-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .community-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .community-card .community-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(216,70,31,0.08);
            padding: 4px 12px;
            border-radius: 12px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .community-card p {
            font-size: 15px;
            color: var(--dark);
            line-height: 1.65;
            margin: 0 0 16px;
            flex: 1;
        }
        .community-card .community-meta {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .community-cta {
            text-align: center;
            margin-top: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .site-footer a {
            color: rgba(255,255,255,0.75);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--accent);
            color: var(--dark);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            max-width: 380px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-bottom a {
            font-size: 12px;
            color: rgba(255,255,255,0.7);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid,
            .editor-picks,
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-header h1 {
                font-size: 36px;
            }
            .mega-panel {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .site-header .container {
                min-height: 60px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                width: 100%;
            }
            .main-nav.nav-open {
                max-height: 600px;
            }
            .main-nav>li {
                width: 100%;
            }
            .main-nav>li>a {
                padding: 14px 16px;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }
            .main-nav>li>a.active::after {
                display: none;
            }
            .nav-cta {
                margin: 8px 0;
                text-align: center;
                display: block;
                border-radius: var(--radius-sm);
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section h2 {
                font-size: 26px;
            }
            .category-header {
                padding: 40px 0 36px;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .card-grid,
            .editor-picks,
            .community-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 32px;
            }
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px;
            }
            .topic-item .topic-thumb {
                width: 100%;
                height: 160px;
            }
            .subscribe-box {
                padding: 32px 20px;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .card-body {
                padding: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .filter-tags li a {
                padding: 6px 14px;
                font-size: 13px;
            }
            .stat-number {
                font-size: 28px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button,
        input {
            font-family: inherit;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-white {
            color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.02em;
            margin: 0 0 12px 0;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            margin: 0 0 32px 0;
            line-height: 1.6;
        }
        .section-head {
            margin-bottom: 28px;
        }
        .section-head.text-center {
            text-align: center;
        }
        .section-head.text-center .section-subtitle {
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        @media (max-width: 640px) {
            section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .brand-logo span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav>li {
            list-style: none;
            margin: 0;
            position: relative;
        }
        .main-nav>li>a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
        }
        .main-nav>li>a:hover,
        .main-nav>li>a:focus,
        .main-nav>li>a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }
        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--dark);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .nav-toggle:hover {
            color: var(--primary);
            background-color: rgba(216,70,31,0.06);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-bottom-color: var(--primary);
        }
        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }
        .mega-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--dark);
            transition: background-color 0.2s ease, color 0.2s ease;
        }
        .mega-item:hover {
            background-color: rgba(216,70,31,0.05);
            color: var(--primary);
        }
        .mega-icon {
            font-size: 22px;
            flex-shrink: 0;
            width: 32px;
            text-align: center;
        }
        .mega-text strong {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 2px;
        }
        .mega-item:hover .mega-text strong {
            color: var(--primary);
        }
        .mega-text span {
            font-size: 12px;
            color: var(--muted);
            display: block;
        }

        /* Mobile Nav */
        @media (max-width: 1024px) {
            .mega-panel {
                display: none;
            }
            .has-mega:hover .mega-panel,
            .has-mega:focus-within .mega-panel {
                display: none;
            }
        }
        @media (max-width: 860px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 16px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav>li {
                width: 100%;
            }
            .main-nav>li>a {
                padding: 12px 8px;
                display: block;
                width: 100%;
            }
            .nav-cta {
                margin-left: 0;
                text-align: center;
                margin-top: 8px;
            }
            .main-nav>li>a.active::after {
                display: none;
            }
            .mega-panel {
                display: none !important;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb-bar ol {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-bar li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-bar li:not(:last-child)::after {
            content: '›';
            color: var(--border);
            font-size: 18px;
            margin-left: 2px;
        }
        .breadcrumb-bar a {
            color: var(--muted);
            font-weight: 500;
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar li:last-child {
            color: var(--primary);
            font-weight: 600;
        }

        /* Category Header */
        .category-header {
            background: linear-gradient(180deg, #fff 0%, var(--body-bg) 100%);
            padding: 36px 0 28px;
        }
        .category-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 12px 0;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .category-header .cat-desc {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 820px;
            margin: 0;
        }
        @media (max-width: 640px) {
            .category-header h1 {
                font-size: 28px;
            }
            .category-header .cat-desc {
                font-size: 15px;
            }
        }

        /* Filter Bar */
        .filter-bar-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-pill {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--body-bg);
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(216,70,31,0.05);
            transform: translateY(-1px);
        }
        .filter-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        @media (max-width: 640px) {
            .filter-bar {
                gap: 6px;
            }
            .filter-pill {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        /* Content Section */
        .content-section {
            background: var(--body-bg);
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .article-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E8E4DC;
            position: relative;
        }
        .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(1.03);
        }
        .article-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0 0 8px 0;
            color: var(--dark);
            transition: color 0.2s ease;
        }
        .article-card:hover .article-card-body h3 {
            color: var(--primary);
        }
        .article-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin: 0 0 12px 0;
            flex: 1;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 0.3px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-meta .meta-date {
            color: var(--primary);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .load-more-wrap {
            text-align: center;
            margin-top: 28px;
        }
        .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
            border-radius: var(--radius-md);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
        }
        .btn-secondary:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* Featured / Recommended */
        .featured-section {
            background: #fff;
        }
        .featured-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .featured-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: all 0.25s ease;
        }
        .featured-card:hover {
            border-color: var(--primary);
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .featured-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
            width: 36px;
        }
        .featured-card-content h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 6px 0;
            line-height: 1.4;
            transition: color 0.2s ease;
        }
        .featured-card:hover .featured-card-content h3 {
            color: var(--primary);
        }
        .featured-card-content p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 860px) {
            .featured-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* Stats Band */
        .stats-band {
            background: var(--secondary);
            padding: 44px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(242,176,30,0.08);
        }
        .stats-band::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(216,70,31,0.12);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 8px 12px;
        }
        .stat-num {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-num span {
            color: var(--accent);
            font-size: 26px;
            font-weight: 600;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            letter-spacing: 0.5px;
        }
        @media (max-width: 860px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-num {
                font-size: 28px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* Topic List */
        .topic-section {
            background: var(--body-bg);
        }
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .topic-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all 0.25s ease;
        }
        .topic-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .topic-card-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #E8E4DC;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 5px 0;
            transition: color 0.2s ease;
        }
        .topic-card:hover .topic-card-body h3 {
            color: var(--primary);
        }
        .topic-card-body p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 640px) {
            .topic-card {
                flex-direction: row;
                align-items: flex-start;
                gap: 12px;
                padding: 12px 14px;
            }
            .topic-card-img {
                width: 60px;
                height: 60px;
            }
            .topic-card-body h3 {
                font-size: 14px;
            }
            .topic-card-body p {
                font-size: 13px;
            }
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, #fff 0%, #FDF9F2 40%, #FBF3E4 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .subscribe-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
            padding: 12px 0;
        }
        .subscribe-inner .section-title {
            color: var(--dark);
        }
        .subscribe-inner p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
            margin: 0 0 20px 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            max-width: 380px;
            padding: 12px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 15px;
            color: var(--dark);
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .subscribe-form input::placeholder {
            color: #a8a6a0;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(216,70,31,0.1);
            outline: none;
        }
        .subscribe-form .btn-primary {
            padding: 12px 28px;
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-form input {
                width: 100%;
                max-width: 100%;
                min-width: 0;
            }
            .subscribe-form .btn-primary {
                width: 100%;
                max-width: 380px;
            }
        }

        /* Community Extend */
        .community-section {
            background: #fff;
        }
        .community-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-bottom: 28px;
        }
        .community-card {
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .community-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: #fff;
        }
        .community-card-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--dark);
            font-size: 18px;
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .community-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px 0;
            line-height: 1.5;
            transition: color 0.2s ease;
        }
        .community-card:hover h3 {
            color: var(--primary);
        }
        .community-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 12px 0;
            line-height: 1.6;
            flex: 1;
        }
        .community-card .community-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 14px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }
        .community-cta-wrap {
            text-align: center;
        }
        @media (max-width: 860px) {
            .community-cards {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #fff;
            padding: 52px 0 24px;
            font-size: 14px;
        }
        .site-footer .container {
            max-width: var(--container-max);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
            margin-bottom: 20px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 24px;
        }
        .footer-brand .brand-logo span {
            color: var(--accent);
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--accent);
            color: var(--dark);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-top: 12px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px 0;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 18px;
            font-size: 12px;
            color: rgba(255,255,255,0.65);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.65);
            font-size: 12px;
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .text-primary { color: var(--primary); }
        .text-secondary { color: var(--secondary); }
        .text-muted { color: var(--muted); }
        .text-accent { color: var(--accent); }
        .text-white { color: #fff; }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .brand-logo span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .main-nav>li {
            list-style: none;
            margin: 0;
            position: relative;
        }
        .main-nav>li>a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
        }
        .main-nav>li>a:hover,
        .main-nav>li>a:focus,
        .main-nav>li>a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }
        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mega Menu */
        .has-mega {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }
        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-bottom-color: var(--primary);
        }
        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            background: #FAFAF8;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            color: var(--dark);
        }
        .mega-item:hover {
            border-color: var(--primary);
            background: rgba(216, 70, 31, 0.04);
            color: var(--dark);
            transform: translateY(-2px);
        }
        .mega-icon {
            font-size: 24px;
            flex-shrink: 0;
            line-height: 1;
            margin-top: 2px;
        }
        .mega-text strong {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 3px;
        }
        .mega-text {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.5;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 22px;
            color: var(--dark);
            padding: 6px 14px;
            cursor: pointer;
            line-height: 1;
            transition: all 0.2s ease;
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Main content */
        main {
            display: block;
        }
        section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        h1 .highlight {
            color: var(--primary);
        }
        h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.01em;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 16px;
        }

        /* Breadcrumb */
        .breadcrumb {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Buttons */
        .button {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            text-align: center;
            line-height: 1.5;
            transition: all 0.25s ease;
            color: #fff;
            background: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .button:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .button-outline {
            background: transparent;
            color: var(--secondary);
            border: 2px solid var(--secondary);
            box-shadow: none;
        }
        .button-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
        }
        .button-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .button-block {
            display: block;
            width: 100%;
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #EFEDE8;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 18px 20px 20px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color 0.2s ease;
            display: block;
        }
        .card:hover .card-title {
            color: var(--primary);
        }
        .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 0.3px;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Tags / Pills */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 0;
            padding: 0;
        }
        .tag-pill {
            display: inline-block;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--secondary);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .tag-pill:hover,
        .tag-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* Grid system */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 20px;
        }
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 16px;
        }

        /* Stat items */
        .stat-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .stat-item {
            text-align: center;
            padding: 28px 20px;
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.15);
            transition: all 0.3s ease;
        }
        .stat-item:hover {
            background: rgba(255,255,255,0.14);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .stat-number .unit {
            font-size: 18px;
            font-weight: 500;
            color: rgba(255,255,255,0.8);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-accent {
            color: var(--accent);
        }
        .stat-number .stat-accent {
            color: var(--accent);
        }

        /* Recommendation cards */
        .rec-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
            min-width: 0;
        }
        .rec-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .rec-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
            width: 46px;
            text-align: center;
            line-height: 1.2;
        }
        .rec-content {
            flex: 1;
            min-width: 0;
        }
        .rec-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .rec-content p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Topic rows */
        .topic-row {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 14px;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--dark);
        }
        .topic-row:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            color: var(--dark);
        }
        .topic-row img {
            width: 80px;
            height: 56px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .topic-row .topic-info {
            flex: 1;
            min-width: 0;
        }
        .topic-row .topic-info strong {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            display: block;
            margin-bottom: 3px;
        }
        .topic-row .topic-info span {
            font-size: 13px;
            color: var(--muted);
        }
        .topic-row .topic-arrow {
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
            font-weight: 600;
        }

        /* Form */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 14px 18px;
            font-size: 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--dark);
            transition: all 0.25s ease;
            min-width: 0;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: #A9A8A3;
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(216,70,31,0.1);
            outline: none;
        }
        .subscribe-form .button {
            flex-shrink: 0;
        }

        /* Community cards */
        .community-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .community-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .community-topic {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .community-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .community-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--muted);
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .community-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Section intro */
        .section-intro {
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section-intro p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* Back to top / misc */
        .text-center { text-align: center; }
        .mt-0 { margin-top: 0; }
        .mt-sm { margin-top: 12px; }
        .mt-md { margin-top: 24px; }
        .mt-lg { margin-top: 40px; }
        .mb-0 { margin-bottom: 0; }
        .mb-sm { margin-bottom: 12px; }
        .mb-md { margin-bottom: 24px; }
        .mb-lg { margin-bottom: 40px; }
        .gap-sm { gap: 12px; }
        .gap-md { gap: 20px; }
        .gap-lg { gap: 28px; }
        .flex-center { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }

        /* Divider */
        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #fff;
            padding: 56px 0 32px;
            margin-top: 0;
        }
        .site-footer .brand-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 24px;
        }
        .site-footer .brand-logo span {
            color: var(--accent);
        }
        .site-footer .brand-logo .logo-mark {
            background: var(--accent);
            color: var(--dark);
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255,255,255,0.75);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 32px; }
            h2 { font-size: 26px; }
            .mega-panel {
                min-width: 400px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 840px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-top: 1px solid var(--border);
                padding: 12px 0;
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav>li>a {
                padding: 12px 18px;
                border-radius: 0;
            }
            .main-nav>li>a.active::after {
                left: 18px;
                right: auto;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                display: block;
                border-radius: var(--radius-sm);
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border-top: none;
                border-left: 3px solid var(--primary);
                padding: 12px 18px;
                min-width: 0;
                background: #FAFAF8;
                margin: 0;
            }
            .has-mega:hover .mega-panel,
            .has-mega:focus-within .mega-panel {
                transform: none;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }
        @media (max-width: 640px) {
            h1 { font-size: 26px; }
            h2 { font-size: 22px; }
            .grid-2, .grid-3, .grid-4, .grid-6 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-list {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 30px;
            }
            .rec-card {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .rec-number {
                width: auto;
                font-size: 28px;
            }
            .topic-row {
                flex-wrap: wrap;
            }
            .topic-row img {
                width: 60px;
                height: 44px;
            }
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
                max-width: 100%;
            }
            .subscribe-form .button {
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-title {
                font-size: 15px;
            }
            .tag-pill {
                font-size: 12px;
                padding: 6px 14px;
            }
        }
        @media (max-width: 360px) {
            .stat-list {
                grid-template-columns: 1fr;
            }
            .brand-logo {
                font-size: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 72px;
            --section-gap-mobile: 44px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .text-primary { color: var(--primary); }
        .text-secondary { color: var(--secondary); }
        .text-muted { color: var(--muted); }
        .text-accent { color: var(--accent); }
        .text-white { color: #fff; }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }
        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover { color: var(--primary-dark); }
        .brand-logo span { color: var(--primary); }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--dark);
            padding: 4px 8px;
            line-height: 1;
        }
        .nav-toggle:hover { color: var(--primary); }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav > li {
            list-style: none;
            margin: 0;
            position: relative;
        }
        .main-nav > li > a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
        }
        .main-nav > li > a:hover,
        .main-nav > li > a:focus,
        .main-nav > li > a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }
        .main-nav > li > a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mega Menu */
        .has-mega { position: relative; }
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }
        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: var(--body-bg);
            transition: background-color 0.2s ease, transform 0.2s ease;
        }
        .mega-item:hover {
            background: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .mega-icon {
            font-size: 20px;
            flex-shrink: 0;
            line-height: 1.2;
        }
        .mega-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mega-text strong {
            font-size: 14px;
            color: var(--dark);
        }
        .mega-text {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.4;
        }

        /* Breadcrumb + Page Title */
        .page-head {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 32px 0 36px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 14px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li { list-style: none; }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 8px;
            color: var(--border);
        }
        .breadcrumb a {
            color: var(--muted);
            font-weight: 500;
        }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb li:last-child {
            color: var(--primary);
            font-weight: 600;
        }
        .page-head h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 10px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .page-head .lead {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.75;
            margin: 0;
        }

        /* Section base */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--secondary);
            color: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-dark .section-title { color: #fff; }
        .section-sub {
            font-size: 16px;
            color: var(--muted);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .section-dark .section-sub { color: rgba(255,255,255,0.75); }

        /* Filter/Tag Pills */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .tag-pill {
            display: inline-block;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 30px;
            cursor: default;
            transition: all 0.2s ease;
            user-select: none;
        }
        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(216, 70, 31, 0.05);
            transform: translateY(-1px);
        }
        .tag-pill:active {
            transform: translateY(0);
            background: rgba(216, 70, 31, 0.1);
        }
        .tag-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Card Grid */
        .data-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .data-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .data-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8E4DA;
        }
        .data-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .data-card:hover .card-img img {
            transform: scale(1.04);
        }
        .data-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .data-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px;
            line-height: 1.4;
            transition: color 0.2s ease;
        }
        .data-card:hover .card-body h3 {
            color: var(--primary);
        }
        .data-card .card-body p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 14px;
            line-height: 1.65;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--muted);
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .card-meta .meta-tag {
            background: rgba(242, 176, 30, 0.12);
            color: #A87800;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 12px;
        }
        .card-meta .meta-date {
            font-variant-numeric: tabular-nums;
        }

        /* Quick Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 22px 12px;
        }
        .stat-item .stat-num {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-top: 8px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .stat-item .stat-num .accent {
            color: var(--accent);
            font-size: 0.8em;
            margin-left: 2px;
        }

        /* Editor Picks */
        .editor-picks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .pick-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .pick-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .pick-card .pick-num {
            font-size: 36px;
            font-weight: 700;
            color: rgba(216, 70, 31, 0.12);
            position: absolute;
            top: 8px;
            right: 16px;
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }
        .pick-card .pick-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(216, 70, 31, 0.08);
            padding: 3px 12px;
            border-radius: 20px;
            align-self: flex-start;
        }
        .pick-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0;
            line-height: 1.45;
        }
        .pick-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }
        .pick-card .pick-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .pick-card .pick-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Topic Rows */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .topic-row {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all 0.25s ease;
        }
        .topic-row:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-row .topic-img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #E8E4DA;
        }
        .topic-row .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-row .topic-info {
            flex: 1;
        }
        .topic-row .topic-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 4px;
        }
        .topic-row .topic-info p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }
        .topic-row .topic-arrow {
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
            font-weight: 700;
        }

        /* Subscribe CTA */
        .subscribe-panel {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--border);
        }
        .subscribe-panel .sub-info {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-panel .sub-info h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 8px;
        }
        .subscribe-panel .sub-info p {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex: 1;
            min-width: 280px;
            max-width: 480px;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            padding: 13px 18px;
            font-size: 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--body-bg);
            color: var(--dark);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            min-width: 0;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: #A0A09A;
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(216, 70, 31, 0.12);
            outline: none;
        }
        .subscribe-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(216, 70, 31, 0.25);
        }

        /* Community Cards */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .community-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .community-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .community-card .comm-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comm-avatar {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .comm-user .comm-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }
        .comm-user .comm-time {
            font-size: 12px;
            color: var(--muted);
        }
        .community-card p {
            font-size: 15px;
            color: var(--dark);
            line-height: 1.65;
            margin: 0;
        }
        .comm-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted);
            padding-top: 8px;
            border-top: 1px solid var(--border);
        }
        .comm-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-outline {
            display: inline-block;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            border: 2px solid var(--secondary);
            border-radius: var(--radius-md);
            transition: all 0.2s ease;
            text-align: center;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary {
            display: inline-block;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-md);
            transition: all 0.2s ease;
            text-align: center;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(216, 70, 31, 0.25);
        }

        /* View More */
        .view-more-wrap {
            text-align: right;
            margin-top: 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 24px;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand .brand-logo span {
            color: var(--accent);
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--accent);
            color: var(--dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-bottom span {
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .data-card-grid { grid-template-columns: repeat(2, 1fr); }
            .editor-picks { grid-template-columns: repeat(2, 1fr); }
            .community-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                padding: 12px 0 16px;
                gap: 2px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .main-nav.open { display: flex; }
            .main-nav > li { width: 100%; }
            .main-nav > li > a {
                padding: 10px 12px;
                width: 100%;
                font-size: 15px;
            }
            .main-nav > li > a.active::after { display: none; }
            .nav-cta {
                margin: 8px 0 0;
                text-align: center;
                width: 100%;
                padding: 12px 20px;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border-radius: 0;
                border-top: none;
                padding: 8px 0 8px 20px;
                background: transparent;
            }
            .has-mega:hover .mega-panel,
            .has-mega:focus-within .mega-panel {
                transform: none;
            }
            .mega-grid { grid-template-columns: 1fr; }
            .mega-item { background: rgba(255,255,255,0.5); }

            .page-head h1 { font-size: 30px; }
            .section-title { font-size: 24px; }
            .section { padding: var(--section-gap-mobile) 0; }
            .data-card-grid { grid-template-columns: 1fr; }
            .editor-picks { grid-template-columns: 1fr; }
            .community-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; }
            .topic-row { flex-direction: column; align-items: flex-start; }
            .topic-row .topic-img { width: 100%; height: 160px; }
            .subscribe-panel { padding: 32px 24px; flex-direction: column; }
            .subscribe-form { flex-direction: column; max-width: 100%; width: 100%; }
            .subscribe-form input[type="email"] { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
            .footer-bottom span { white-space: normal; }
        }
        @media (max-width: 520px) {
            .page-head h1 { font-size: 26px; }
            .section-title { font-size: 21px; }
            .stats-row { grid-template-columns: 1fr; }
            .stat-item { padding: 14px 6px; }
            .stat-item .stat-num { font-size: 30px; }
            .tag-pill { padding: 6px 14px; font-size: 13px; }
            .subscribe-panel { padding: 24px 16px; }
            .data-card .card-body { padding: 14px 16px 16px; }
            .brand-logo { font-size: 22px; }
            .brand-logo .logo-mark { width: 30px; height: 30px; font-size: 15px; }
        }

/* roulang page: category6 */
:root {
            --primary: #D8461F;
            --primary-dark: #A93413;
            --secondary: #1F3A34;
            --accent: #F2B01E;
            --dark: #1E1E1E;
            --body-bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --muted: #6B6B67;
            --border: #E4E0D8;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --shadow-sm: 0 2px 8px rgba(30,30,30,0.05);
            --shadow-md: 0 8px 20px rgba(30,30,30,0.10);
            --shadow-hover: 0 12px 28px rgba(30,30,30,0.14);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--dark);
            background-color: var(--body-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

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

        a:focus,
        button:focus,
        input:focus,
        .button:focus {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-white {
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* Header / Navigation */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(30,30,30,0.05);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 68px;
        }

        .brand-logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--primary-dark);
        }
        .brand-logo span {
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            color: var(--dark);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav>li {
            list-style: none;
            margin: 0;
            position: relative;
        }

        .main-nav>li>a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .main-nav>li>a:hover,
        .main-nav>li>a:focus,
        .main-nav>li>a.active {
            color: var(--primary);
            background-color: rgba(216, 70, 31, 0.06);
        }

        .main-nav>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            margin-left: 10px;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: calc(100% + 6px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(30,30,30,0.14);
            padding: 22px 26px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 200;
            border-top: 3px solid var(--primary);
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            border: 6px solid transparent;
            border-bottom-color: var(--primary);
        }

        .has-mega:hover .mega-panel,
        .has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .mega-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            transition: background-color 0.2s ease;
        }

        .mega-item:hover {
            background-color: rgba(216, 70, 31, 0.05);
        }

        .mega-icon {
            font-size: 20px;
            flex-shrink: 0;
            line-height: 1.3;
        }

        .mega-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
            font-size: 13px;
            color: var(--muted);
        }

        .mega-text strong {
            font-size: 15px;
            color: var(--dark);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            background: transparent;
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb-nav a {
            color: var(--muted);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .separator {
            margin: 0 8px;
            color: var(--border);
        }

        /* Main sections */
        main {
            display: block;
        }

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

        .section-alt {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

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

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--muted);
            margin: 0;
            font-size: 16px;
            max-width: 640px;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-dark .section-head p {
            color: rgba(255,255,255,0.75);
        }

        /* Category Hero */
        .cat-hero {
            padding: 32px 0 24px;
            background: linear-gradient(135deg, #fff 0%, #FDF8F2 100%);
            border-bottom: 1px solid var(--border);
        }

        .cat-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .cat-hero .cat-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Filter tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0 12px;
        }

        .filter-tag {
            display: inline-block;
            background: var(--card-bg);
            border: 1px solid var(--border);
            color: var(--dark);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(216, 70, 31, 0.04);
            transform: translateY(-1px);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .content-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .content-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8E4DC;
        }

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

        .content-card:hover .card-img img {
            transform: scale(1.04);
        }

        .content-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px;
            line-height: 1.45;
            transition: color 0.2s ease;
        }

        .content-card:hover .card-title {
            color: var(--primary);
        }

        .content-card .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 0.3px;
        }

        .content-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Featured cards */
        .featured-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .featured-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: all 0.25s ease;
        }

        .featured-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .featured-card .feat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
        }

        .featured-card .feat-info {
            flex: 1;
        }

        .featured-card .feat-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 4px;
        }

        .featured-card .feat-desc {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .stat-item {
            padding: 20px 12px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.12);
        }

        .stat-num {
            font-size: 44px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            margin-top: 6px;
        }

        /* Topic bars */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: all 0.25s ease;
        }

        .topic-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .topic-item .topic-img {
            width: 72px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #E8E4DC;
        }

        .topic-item .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-item .topic-info {
            flex: 1;
        }

        .topic-item .topic-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 4px;
        }

        .topic-item .topic-desc {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }

        /* Subscribe CTA */
        .subscribe-box {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .subscribe-box .sub-info h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .subscribe-box .sub-info p {
            color: rgba(255,255,255,0.7);
            margin: 0;
            font-size: 15px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .subscribe-form input[type="email"] {
            padding: 12px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 15px;
            min-width: 260px;
            transition: border-color 0.2s ease, background-color 0.2s ease;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.15);
        }

        .subscribe-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Community extension */
        .community-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comm-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all 0.25s ease;
        }

        .comm-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .comm-card .comm-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .comm-card .comm-content {
            font-size: 14px;
            color: var(--dark);
            line-height: 1.7;
            margin: 0 0 12px;
        }

        .comm-card .comm-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            text-align: center;
            transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }

        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            padding: 10px 24px;
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--dark);
        }

        .btn-accent:hover {
            background: #D9A018;
            color: var(--dark);
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #fff;
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 320px;
        }

        .footer-brand .brand-logo {
            color: #fff;
        }

        .footer-brand .brand-logo span {
            color: var(--accent);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input[type="email"] {
                flex: 1;
                min-width: 0;
            }
            .community-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 10px 0 16px;
                gap: 2px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav>li>a {
                padding: 12px 8px;
                font-size: 16px;
            }
            .main-nav>li>a.active::after {
                left: 8px;
                right: 8px;
            }
            .nav-cta {
                margin-left: 0;
                text-align: center;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: 0;
                box-shadow: none;
                border: none;
                padding: 8px 0;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
            }
            .has-mega:hover .mega-panel,
            .has-mega:focus-within .mega-panel {
                display: block;
                transform: none;
            }
            .mega-panel::before {
                display: none;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .card-grid,
            .card-grid.two-col {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-row {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .subscribe-box {
                padding: 24px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                min-width: 0;
            }
            .community-cards {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .topic-item .topic-img {
                width: 100%;
                height: 140px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 22px;
            }
            .brand-logo .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .cat-hero h1 {
                font-size: 24px;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 13px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-num {
                font-size: 28px;
            }
        }