/* roulang page: index */
:root {
            --bg-dark: #0F1A14;
            --bg-light: #FAF8F4;
            --accent-green: #00D977;
            --accent-orange: #FF6B35;
            --text-dark-bg: #F1F5F0;
            --text-light-bg: #1E2A24;
            --text-muted-dark: #A8B5AD;
            --text-muted-light: #647067;
            --card-dark: #16231C;
            --card-light: #FFFFFF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.04);
            --radius-xl: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-dark-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-light-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            --font-en: "Inter", "Roboto", system-ui;
            --section-pad-desktop: 80px 0;
            --section-pad-tablet: 56px 0;
            --section-pad-mobile: 40px 0;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light-bg);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
            outline: none;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: transparent;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            position: relative;
        }
        .brand-logo {
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
        }
        .brand-logo span {
            font-family: var(--font-cn);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.06em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--accent-green);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }
        .nav-links a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-links a:not(.active):hover::after {
            width: 100%;
        }

        /* Mobile nav toggle */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 200;
        }
        .hamburger-btn span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 26, 20, 0.97);
            z-index: 150;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
        }
        .mobile-overlay.open {
            display: flex;
        }
        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            width: 100%;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        .mobile-overlay a:hover {
            color: var(--accent-green);
            border-color: rgba(0, 217, 119, 0.3);
        }
        .mobile-overlay a.active {
            color: var(--accent-green);
            border-left: 3px solid var(--accent-green);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            width: 100%;
            min-height: 620px;
            background: var(--bg-dark);
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 26, 20, 0.88) 0%, rgba(15, 26, 20, 0.62) 45%, rgba(15, 26, 20, 0.85) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            padding-top: 140px;
            padding-bottom: 100px;
            width: 100%;
        }
        .hero-h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            max-width: 720px;
            margin-bottom: 20px;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(241, 245, 240, 0.88);
            max-width: 680px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 40px;
        }
        .btn-primary {
            display: inline-block;
            background: var(--accent-green);
            color: #0F1A14;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-align: center;
            transition: all 0.2s ease;
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: #00f080;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 217, 119, 0.3);
        }
        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: #F1F5F0;
            font-weight: 500;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            text-align: center;
            transition: all 0.2s ease;
            letter-spacing: 0.02em;
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(0, 217, 119, 0.08);
        }
        .btn-ghost {
            display: inline-block;
            background: transparent;
            color: #F1F5F0;
            font-weight: 500;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            text-align: center;
            transition: all 0.2s ease;
        }
        .btn-ghost:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .hero-quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-stat-card {
            padding: 16px 22px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            background: rgba(22, 35, 28, 0.6);
            backdrop-filter: blur(6px);
            min-width: 140px;
        }
        .hero-stat-card .stat-label {
            font-size: 12px;
            color: var(--text-muted-dark);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }
        .hero-stat-card .stat-value {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        /* Section base */
        .section {
            padding: var(--section-pad-desktop);
            position: relative;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-dark-bg);
        }
        .section-light {
            background: var(--bg-light);
            color: var(--text-light-bg);
        }
        .section-mixed {
            background: #F1EFE8;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-sub {
            font-size: 15.5px;
            line-height: 1.85;
            color: var(--text-muted-dark);
            max-width: 720px;
            margin-bottom: 32px;
        }
        .section-light .section-sub {
            color: var(--text-muted-light);
        }

        /* Cards */
        .card {
            border-radius: var(--radius-xl);
            padding: 24px;
            transition: all 0.25s ease;
        }
        .card-dark {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-dark-card);
        }
        .card-light {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light-card);
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }
        .card-dark:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        /* Badge & Tag */
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(0, 217, 119, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(0, 217, 119, 0.25);
        }
        .badge-orange {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent-orange);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }

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

        /* List styles */
        .list-card {
            padding: 18px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: #fff;
            transition: all 0.2s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .list-card:hover {
            transform: translateX(4px);
            border-color: rgba(0, 217, 119, 0.3);
            box-shadow: var(--shadow-light-card);
        }
        .list-card .list-date {
            font-size: 12px;
            color: var(--text-muted-light);
            white-space: nowrap;
            font-weight: 500;
        }
        .list-card .list-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light-bg);
            margin-bottom: 6px;
        }
        .list-card .list-summary {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted-light);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            padding: 16px 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light-bg);
            padding: 6px 0;
            list-style: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
            margin-right: 12px;
            flex-shrink: 0;
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--accent-green);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-muted-light);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 12px 0 4px 28px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-dark-bg);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted-dark);
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted-dark);
            font-size: 14px;
            line-height: 2.2;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted-dark);
        }
        .footer-bottom a {
            color: var(--text-muted-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--accent-green);
        }

        /* Floating CTA */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 90;
            background: rgba(15, 26, 20, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            backdrop-filter: blur(10px);
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        .floating-cta.show {
            transform: translateY(0);
        }
        .floating-cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
        }
        .floating-cta .btn-primary {
            padding: 10px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* Form */
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0, 0, 0, 0.15);
            font-size: 15px;
            background: #fff;
            color: var(--text-light-bg);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .form-input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 217, 119, 0.15);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .hero-h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .grid-4,
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-section {
                min-height: 520px;
            }
            .hero-h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-quality-stats {
                gap: 10px;
            }
            .hero-stat-card {
                min-width: 100px;
                padding: 12px 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .floating-cta {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                padding: 12px 16px;
            }
            .floating-cta .btn-primary {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary,
            .btn-ghost {
                width: 100%;
                text-align: center;
            }
            .hero-stat-card {
                min-width: calc(50% - 10px);
            }
        }

/* roulang page: category2 */
:root {
            --bg-dark: #0F1A14;
            --bg-light: #FAF8F4;
            --accent-green: #00D977;
            --accent-orange: #FF6B35;
            --text-dark-bg: #F1F5F0;
            --text-light-bg: #1E2A24;
            --text-muted-dark: #A8B5AD;
            --text-muted-light: #647067;
            --card-dark: #16231C;
            --card-light: #FFFFFF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.04);
            --radius-xl: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-dark-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-light-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            --font-en: "Inter", "Roboto", system-ui;
            --section-pad-desktop: 64px 0;
            --section-pad-tablet: 48px 0;
            --section-pad-mobile: 36px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light-bg);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-cn);
            font-size: 15px;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }
        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            position: relative;
        }
        .brand-logo {
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
        }
        .brand-logo span {
            font-family: var(--font-cn);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.06em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: var(--accent-green);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }
        .nav-links a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-links a:not(.active):hover::after {
            width: 100%;
        }
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 200;
        }
        .hamburger-btn span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 26, 20, 0.97);
            z-index: 150;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
        }
        .mobile-overlay.open {
            display: flex;
        }
        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            width: 100%;
            text-align: center;
            border-bottom: 1px solid var(--border-dark);
            transition: color 0.2s ease;
        }
        .mobile-overlay a:hover {
            color: var(--accent-green);
        }
        .mobile-overlay a.active {
            color: var(--accent-green);
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .header-inner {
                padding: 14px 0;
            }
        }
        /* Breadcrumb */
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted-dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb .current {
            color: var(--accent-green);
        }
        /* Category compact header */
        .category-head {
            background: var(--bg-dark);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-dark);
        }
        .category-head h1 {
            color: var(--text-dark-bg);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin: 12px 0 16px;
        }
        .category-head .cat-desc {
            color: var(--text-muted-dark);
            font-size: 15px;
            line-height: 1.8;
            max-width: 720px;
        }
        /* Section base */
        .section {
            padding: var(--section-pad-desktop);
            background-color: var(--bg-light);
        }
        .section-alt {
            background-color: #f0efe8;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-light-bg);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 640px;
        }
        /* Article list */
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px;
            margin-bottom: 16px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            box-shadow: var(--shadow-light-card);
        }
        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
            border-color: rgba(0, 217, 119, 0.3);
        }
        .article-card .cover {
            width: 160px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: #e5e5e0;
        }
        .article-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: opacity 0.3s ease, filter 0.3s ease;
        }
        .article-card:hover .cover img {
            filter: brightness(1.05);
        }
        .article-card .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .article-card .date {
            font-size: 12px;
            color: var(--text-muted-light);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .article-card .title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-light-bg);
            line-height: 1.45;
            margin-bottom: 6px;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card:hover .title {
            color: var(--accent-green);
        }
        .article-card .excerpt {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 640px) {
            .article-card {
                flex-direction: column;
                gap: 12px;
            }
            .article-card .cover {
                width: 100%;
                height: 170px;
            }
            .article-card .info {
                justify-content: flex-start;
            }
        }
        /* Horizontal mini cards */
        .mini-card-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .mini-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: var(--shadow-light-card);
        }
        .mini-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .mini-card .cover {
            height: 120px;
            overflow: hidden;
        }
        .mini-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease;
        }
        .mini-card:hover .cover img {
            filter: brightness(1.05);
        }
        .mini-card .body {
            padding: 14px 16px;
        }
        .mini-card .body .t {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light-bg);
            line-height: 1.45;
            margin-bottom: 4px;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .mini-card:hover .body .t {
            color: var(--accent-green);
        }
        .mini-card .body .meta {
            font-size: 12px;
            color: var(--text-muted-light);
        }
        @media (max-width: 1024px) {
            .mini-card-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .mini-card-row {
                grid-template-columns: 1fr;
            }
        }
        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: var(--shadow-light-card);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.09);
        }
        .topic-card .cover {
            height: 160px;
            overflow: hidden;
        }
        .topic-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease;
        }
        .topic-card:hover .cover img {
            filter: brightness(1.05);
        }
        .topic-card .body {
            padding: 18px 20px;
        }
        .topic-card .body .t {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-light-bg);
            margin-bottom: 6px;
            transition: color 0.2s ease;
        }
        .topic-card:hover .body .t {
            color: var(--accent-green);
        }
        .topic-card .body .desc {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Data overview */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: var(--shadow-light-card);
        }
        .data-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .data-item .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }
        .data-item .label {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .data-grid {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            padding: 0;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 0;
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light-bg);
            text-align: left;
            transition: color 0.2s ease;
            line-height: 1.55;
        }
        .faq-question:hover {
            color: var(--accent-green);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted-light);
            transition: all 0.25s ease;
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .faq-answer.open {
            max-height: 500px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            padding-right: 32px;
        }
        /* CTA subscription */
        .cta-box {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-box .left {
            flex: 1;
            min-width: 260px;
        }
        .cta-box .left h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .cta-box .left p {
            color: var(--text-muted-dark);
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .cta-form input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            min-width: 220px;
            transition: border-color 0.2s ease;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
        }
        .cta-form input:focus {
            border-color: var(--accent-green);
        }
        .btn-primary {
            background: var(--accent-green);
            color: var(--bg-dark);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 22px;
            font-size: 15px;
            cursor: pointer;
            transition: background-color 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #00e882;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-dark-bg);
            font-weight: 500;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            cursor: pointer;
            transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent-green);
            background: rgba(0, 217, 119, 0.08);
            color: var(--accent-green);
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: 1px solid rgba(0, 0, 0, 0.15);
            color: var(--text-light-bg);
            font-weight: 500;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            cursor: pointer;
            transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
        }
        .btn-more:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(0, 217, 119, 0.05);
        }
        @media (max-width: 640px) {
            .cta-box {
                padding: 28px 20px;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 56px 0 28px;
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted-dark);
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 2.2;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--accent-green);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0F1A14;
            --bg-light: #FAF8F4;
            --accent-green: #00D977;
            --accent-orange: #FF6B35;
            --text-dark-bg: #F1F5F0;
            --text-light-bg: #1E2A24;
            --text-muted-dark: #A8B5AD;
            --text-muted-light: #647067;
            --card-dark: #16231C;
            --card-light: #FFFFFF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.04);
            --radius-xl: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-dark-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-light-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            --font-en: "Inter", "Roboto", system-ui;
            --section-pad-desktop: 80px 0;
            --section-pad-tablet: 56px 0;
            --section-pad-mobile: 40px 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light-bg);
            background-color: var(--bg-light);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
            outline: none;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            position: relative;
        }

        .brand-logo {
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
        }

        .brand-logo span {
            font-family: var(--font-cn);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.06em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #fff;
        }

        .nav-links a.active {
            color: var(--accent-green);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        .nav-links a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: width 0.25s ease;
        }

        .nav-links a:not(.active):hover::after {
            width: 100%;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 200;
        }

        .hamburger-btn span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 26, 20, 0.97);
            z-index: 150;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
        }

        .mobile-overlay.open {
            display: flex;
        }

        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            width: 100%;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-overlay a.active {
            color: var(--accent-green);
        }

        /* Category Header (compact, no hero) */
        .category-hero {
            background: var(--bg-dark);
            padding: 120px 0 40px 0;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 217, 119, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted-dark);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb a {
            color: var(--text-muted-dark);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
        }

        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-dark-bg);
            margin: 0 0 12px 0;
            position: relative;
            z-index: 1;
        }

        .category-hero .category-desc {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* Section Base */
        .section {
            padding: var(--section-pad-desktop);
        }

        .section-alt {
            background: var(--bg-light);
        }

        .section-dark {
            background: var(--bg-dark);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-light-bg);
            margin: 0 0 12px 0;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            margin: 0 0 32px 0;
            max-width: 680px;
        }

        .section-dark .section-title {
            color: var(--text-dark-bg);
        }

        .section-dark .section-subtitle {
            color: var(--text-muted-dark);
        }

        /* News List - Main Content */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            display: flex;
            flex-wrap: wrap;
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            border-color: rgba(0, 217, 119, 0.25);
        }

        .news-item .news-img {
            width: 220px;
            min-height: 150px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .news-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease, transform 0.3s ease;
        }

        .news-item:hover .news-img img {
            filter: brightness(1.05);
            transform: scale(1.02);
        }

        .news-item .news-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted-light);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .news-item .news-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-light-bg);
            margin: 0 0 8px 0;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item:hover .news-title {
            color: var(--accent-green);
        }

        .news-item .news-summary {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* View More Button */
        .view-more-wrap {
            display: flex;
            justify-content: center;
            margin-top: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-green);
            color: var(--bg-dark);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: #00e881;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 217, 119, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* Hot Picks */
        .hot-picks-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .hot-pick-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .hot-pick-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.1);
        }

        .hot-pick-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            transition: filter 0.3s ease;
        }

        .hot-pick-card:hover img {
            filter: brightness(1.05);
        }

        .hot-pick-card .hot-pick-body {
            padding: 16px 18px;
        }

        .hot-pick-card .hot-pick-tag {
            font-size: 12px;
            color: var(--accent-orange);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .hot-pick-card .hot-pick-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-light-bg);
            margin: 0 0 6px 0;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-pick-card:hover .hot-pick-title {
            color: var(--accent-green);
        }

        .hot-pick-card .hot-pick-date {
            font-size: 12px;
            color: var(--text-muted-light);
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-light-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .topic-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 70%;
            background: linear-gradient(to top, rgba(15, 26, 20, 0.85) 0%, rgba(15, 26, 20, 0) 100%);
            pointer-events: none;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.16);
        }

        .topic-card .topic-content {
            position: relative;
            z-index: 1;
            padding: 20px 22px;
            color: #fff;
        }

        .topic-card .topic-label {
            font-size: 12px;
            color: var(--accent-green);
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 6px;
            text-transform: uppercase;
        }

        .topic-card .topic-name {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0;
            color: #fff;
        }

        /* Data Snapshot */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .data-card {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            text-align: center;
            box-shadow: var(--shadow-dark-card);
            transition: transform 0.25s ease, border-color 0.25s ease;
        }

        .data-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 217, 119, 0.3);
        }

        .data-card .data-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .data-card .data-label {
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 1.6;
        }

        .data-card .data-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            margin-top: 4px;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-light-card);
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 217, 119, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light-bg);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            position: relative;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--accent-green);
        }

        .faq-question .faq-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .faq-question .faq-icon {
            margin-left: auto;
            font-size: 18px;
            color: var(--accent-green);
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 40px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            margin: 0;
        }

        /* Subscribe CTA */
        .subscribe-card {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 217, 119, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .subscribe-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark-bg);
            margin: 0 0 10px 0;
            position: relative;
            z-index: 1;
        }

        .subscribe-card p {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.8;
            margin: 0 0 24px 0;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            color: #fff;
            font-size: 15px;
            width: 280px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-green);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }

        .subscribe-form .btn-primary {
            white-space: nowrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 56px 0 28px 0;
            color: var(--text-muted-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted-dark);
            margin: 14px 0 0 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark-bg);
            margin: 0 0 14px 0;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 2;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s ease;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section {
                padding: var(--section-pad-tablet);
            }
            .hot-picks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: var(--section-pad-mobile);
            }
            .category-hero {
                padding: 100px 0 32px 0;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-img {
                width: 100%;
                min-height: 180px;
                max-height: 200px;
            }
            .news-item .news-body {
                padding: 16px 18px;
            }
            .news-item .news-title {
                font-size: 16px;
            }
            .hot-picks-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-card {
                padding: 28px 20px;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 640px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .category-desc {
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .section-title {
                font-size: 20px;
            }
            .data-card .data-number {
                font-size: 26px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px 36px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0F1A14;
            --bg-light: #FAF8F4;
            --accent-green: #00D977;
            --accent-orange: #FF6B35;
            --text-dark-bg: #F1F5F0;
            --text-light-bg: #1E2A24;
            --text-muted-dark: #A8B5AD;
            --text-muted-light: #647067;
            --card-dark: #16231C;
            --card-light: #FFFFFF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.04);
            --radius-xl: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-dark-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-light-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            --font-en: "Inter", "Roboto", system-ui;
            --section-pad-desktop: 80px 0;
            --section-pad-tablet: 56px 0;
            --section-pad-mobile: 40px 0;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light-bg);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
            outline: none;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            position: relative;
        }

        .brand-logo {
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 200;
        }

        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
        }

        .brand-logo span {
            font-family: var(--font-cn);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.06em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-links a:hover {
            color: #fff;
        }

        .nav-links a.active {
            color: var(--accent-green);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        .nav-links a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: width 0.25s ease;
        }

        .nav-links a:not(.active):hover::after {
            width: 100%;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 200;
        }

        .hamburger-btn span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 26, 20, 0.97);
            z-index: 150;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
        }

        .mobile-overlay.open {
            display: flex;
        }

        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            width: 100%;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mobile-overlay a.active {
            color: var(--accent-green);
            border-left: 3px solid var(--accent-green);
            padding-left: 16px;
        }

        /* Section base */
        .section-pad {
            padding: var(--section-pad-desktop);
        }

        .section-pad-sm {
            padding: 48px 0;
        }

        .bg-dark-section {
            background-color: var(--bg-dark);
            color: var(--text-dark-bg);
        }

        .bg-light-section {
            background-color: var(--bg-light);
            color: var(--text-light-bg);
        }

        .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent-green);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15.5px;
            line-height: 1.9;
            color: var(--text-muted-light);
            max-width: 680px;
        }

        .bg-dark-section .section-desc {
            color: var(--text-muted-dark);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted-dark);
            padding: 28px 0 0;
            position: relative;
            z-index: 5;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* Category H1 */
        .category-h1-wrap {
            padding: 20px 0 40px;
            position: relative;
            z-index: 5;
        }

        .category-h1-wrap h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 14px;
        }

        .category-h1-wrap .cat-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted-dark);
            max-width: 760px;
        }

        /* Article list cards */
        .article-list-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            display: flex;
            gap: 20px;
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            padding: 18px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-light-bg);
        }

        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
            border-color: rgba(0, 217, 119, 0.3);
        }

        .article-card .card-img {
            flex-shrink: 0;
            width: 180px;
            height: 115px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #ddd;
        }

        .article-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease;
        }

        .article-card:hover .card-img img {
            filter: brightness(1.05);
        }

        .article-card .card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .article-card .card-date {
            font-size: 12px;
            color: var(--text-muted-light);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .article-card .card-title {
            font-size: 17.5px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            color: var(--text-light-bg);
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card:hover .card-title {
            color: var(--accent-green);
        }

        .article-card .card-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* View more button */
        .view-more-btn {
            display: inline-block;
            padding: 10px 24px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .view-more-btn:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(0, 217, 119, 0.08);
        }

        /* Hot recommendation cards */
        .hot-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-card {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-dark-card);
            overflow: hidden;
            transition: transform 0.25s ease, border-color 0.25s ease;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-dark-bg);
        }

        .hot-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 217, 119, 0.4);
        }

        .hot-card .hot-img {
            width: 100%;
            height: 160px;
            overflow: hidden;
            background: #1a2b20;
        }

        .hot-card .hot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease;
        }

        .hot-card:hover .hot-img img {
            filter: brightness(1.08);
        }

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

        .hot-card .hot-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-green);
            margin-bottom: 8px;
        }

        .hot-card .hot-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .hot-card .hot-desc {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-muted-dark);
        }

        /* Topic cards */
        .topic-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-light-bg);
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.1);
        }

        .topic-card .topic-img {
            width: 100%;
            height: 150px;
            overflow: hidden;
            background: #e8e8e4;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease;
        }

        .topic-card:hover .topic-img img {
            filter: brightness(1.05);
        }

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

        .topic-card .topic-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 5px;
        }

        .topic-card .topic-desc {
            font-size: 13.5px;
            line-height: 1.7;
            color: var(--text-muted-light);
        }

        /* Data trend cards */
        .data-trend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-trend-item {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: border-color 0.25s ease;
        }

        .data-trend-item:hover {
            border-color: rgba(0, 217, 119, 0.4);
        }

        .data-trend-item .data-num {
            font-family: var(--font-en);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .data-trend-item .data-label {
            font-size: 13px;
            color: var(--text-muted-dark);
            letter-spacing: 0.04em;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item.active {
            border-color: rgba(0, 217, 119, 0.35);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            font-size: 15.5px;
            font-weight: 600;
            line-height: 1.6;
            cursor: pointer;
            user-select: none;
            color: var(--text-light-bg);
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--accent-green);
        }

        .faq-question .faq-dot {
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .faq-question .faq-toggle-icon {
            margin-left: auto;
            flex-shrink: 0;
            font-size: 18px;
            color: var(--text-muted-light);
            transition: transform 0.25s ease;
        }

        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--accent-green);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 18px 16px 36px;
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--text-muted-light);
        }

        /* Subscribe CTA */
        .cta-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 16px;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: #fff;
        }

        .cta-desc {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-muted-dark);
            max-width: 560px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            width: 100%;
            max-width: 460px;
            margin-top: 6px;
        }

        .cta-form input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            transition: border-color 0.2s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--accent-green);
        }

        .cta-form button {
            padding: 12px 22px;
            background: var(--accent-green);
            color: var(--bg-dark);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 14px;
            white-space: nowrap;
            transition: background-color 0.2s ease, transform 0.2s ease;
        }

        .cta-form button:hover {
            background-color: #2ae393;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: var(--text-dark-bg);
            padding: 48px 0 24px;
        }

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

        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.9;
            color: var(--text-muted-dark);
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            line-height: 2.2;
            color: var(--text-muted-dark);
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 12.5px;
            color: var(--text-muted-dark);
        }

        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color 0.2s ease;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .category-h1-wrap h1 {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-trend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding: 40px 0;
            }
            .category-h1-wrap h1 {
                font-size: 28px;
            }
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .hot-card-grid {
                grid-template-columns: 1fr;
            }
            .topic-card-grid {
                grid-template-columns: 1fr;
            }
            .data-trend-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-card {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .article-card .card-img {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form button {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .category-h1-wrap h1 {
                font-size: 25px;
            }
            .data-trend-grid {
                grid-template-columns: 1fr;
            }
            .article-card .card-title {
                font-size: 15.5px;
            }
            .article-card .card-excerpt {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-dark: #0F1A14;
            --bg-light: #FAF8F4;
            --accent-green: #00D977;
            --accent-orange: #FF6B35;
            --text-dark-bg: #F1F5F0;
            --text-light-bg: #1E2A24;
            --text-muted-dark: #A8B5AD;
            --text-muted-light: #647067;
            --card-dark: #16231C;
            --card-light: #FFFFFF;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: rgba(0, 0, 0, 0.04);
            --radius-xl: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-dark-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-light-card: 0 2px 16px rgba(0, 0, 0, 0.06);
            --font-cn: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
            --font-en: "Inter", "Roboto", system-ui;
            --section-pad-desktop: 80px 0;
            --section-pad-tablet: 56px 0;
            --section-pad-mobile: 40px 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-light-bg);
            background-color: var(--bg-light);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-cn);
            font-size: 15px;
            outline: none;
            box-sizing: border-box;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            box-sizing: border-box;
        }

        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: transparent;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            position: relative;
        }

        .brand-logo {
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .brand-logo span {
            font-family: var(--font-cn);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.06em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.04em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
            display: inline-block;
        }

        .nav-links a:hover {
            color: #fff;
        }

        .nav-links a.active {
            color: var(--accent-green);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }

        .nav-links a:not(.active)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: width 0.25s ease;
        }

        .nav-links a:not(.active):hover::after {
            width: 100%;
        }

        /* Mobile nav toggle */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 200;
        }

        .hamburger-btn span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.25s ease;
            display: block;
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 26, 20, 0.97);
            z-index: 150;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 0 24px;
        }

        .mobile-overlay.open {
            display: flex;
        }

        .mobile-overlay a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 0;
            width: 100%;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: color 0.2s ease;
        }

        .mobile-overlay a:hover,
        .mobile-overlay a.active {
            color: var(--accent-green);
        }

        .mobile-overlay a.active {
            border-left: 3px solid var(--accent-green);
        }

        /* Category header (compact dark title area) */
        .category-header {
            background: var(--bg-dark);
            padding: 110px 0 48px;
            position: relative;
        }

        .category-header .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted-dark);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted-dark);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted-dark);
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--text-dark-bg);
            pointer-events: none;
            cursor: default;
        }

        .category-header h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-dark-bg);
            margin: 0 0 12px;
        }

        .category-header .cat-desc {
            font-size: 15.5px;
            color: var(--text-muted-dark);
            line-height: 1.85;
            max-width: 720px;
            margin: 0;
        }

        /* Sections */
        section {
            padding: var(--section-pad-desktop);
            box-sizing: border-box;
        }

        @media (max-width: 1024px) {
            section {
                padding: var(--section-pad-tablet);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile);
            }
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-light-bg);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            margin: 0 0 32px;
            max-width: 680px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head .section-title {
            margin-bottom: 8px;
        }

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

        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border-color: rgba(0, 217, 119, 0.25);
        }

        /* Article list item */
        .article-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--card-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            border: 1px solid var(--border-light);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            cursor: pointer;
            margin-bottom: 16px;
        }

        .article-list-item:last-child {
            margin-bottom: 0;
        }

        .article-list-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border-color: rgba(0, 217, 119, 0.25);
        }

        .article-list-item .cover-wrap {
            width: 160px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }

        .article-list-item .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease, transform 0.3s ease;
        }

        .article-list-item:hover .cover-wrap img {
            filter: brightness(1.08);
            transform: scale(1.03);
        }

        .article-list-item .info {
            flex: 1;
            min-width: 0;
            position: relative;
        }

        .article-list-item .date-badge {
            position: absolute;
            top: 0;
            right: 0;
            font-size: 12px;
            color: var(--text-muted-light);
            letter-spacing: 0.03em;
        }

        .article-list-item .cat-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: #0F7A4D;
            background: rgba(0, 217, 119, 0.12);
            padding: 2px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .article-list-item h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 6px;
            color: var(--text-light-bg);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .article-list-item:hover h3 {
            color: #0d8a53;
        }

        .article-list-item .summary {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
        }

        @media (max-width: 640px) {
            .article-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .article-list-item .cover-wrap {
                width: 100%;
                height: 180px;
            }
            .article-list-item .date-badge {
                position: static;
                display: block;
                margin-bottom: 4px;
            }
        }

        /* Horizontal scroll cards */
        .hscroll {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .hscroll .mini-card {
            background: var(--card-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .hscroll .mini-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border-color: rgba(0, 217, 119, 0.25);
        }

        .hscroll .mini-card .cover-wrap {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

        .hscroll .mini-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease, transform 0.3s ease;
        }

        .hscroll .mini-card:hover .cover-wrap img {
            filter: brightness(1.08);
            transform: scale(1.03);
        }

        .hscroll .mini-card .info {
            padding: 14px 16px;
        }

        .hscroll .mini-card h3 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.45;
            margin: 0 0 4px;
            color: var(--text-light-bg);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .hscroll .mini-card:hover h3 {
            color: #0d8a53;
        }

        .hscroll .mini-card .date {
            font-size: 12px;
            color: var(--text-muted-light);
        }

        @media (max-width: 1024px) {
            .hscroll {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .hscroll {
                grid-template-columns: 1fr;
            }
        }

        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--card-light);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-light-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 36px rgba(0, 0, 0, 0.14);
            border-color: rgba(0, 217, 119, 0.3);
        }

        .topic-card .cover-wrap {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .topic-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: filter 0.3s ease, transform 0.3s ease;
        }

        .topic-card:hover .cover-wrap img {
            filter: brightness(1.08);
            transform: scale(1.04);
        }

        .topic-card .info {
            padding: 16px 20px 20px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 6px;
            color: var(--text-light-bg);
            transition: color 0.2s ease;
        }

        .topic-card:hover h3 {
            color: #0d8a53;
        }

        .topic-card .desc {
            font-size: 13.5px;
            color: var(--text-muted-light);
            line-height: 1.75;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Data snapshot */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-item {
            background: var(--card-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            border: 1px solid var(--border-light);
            padding: 22px 20px;
            text-align: center;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .data-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.1);
        }

        .data-item .value {
            font-size: 28px;
            font-weight: 800;
            font-family: var(--font-en);
            color: #0d8a53;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .data-item .label {
            font-size: 13px;
            color: var(--text-muted-light);
            margin-top: 6px;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .data-snapshot {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-item {
                padding: 16px 12px;
            }
            .data-item .value {
                font-size: 22px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-light-card);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 217, 119, 0.3);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.55;
            color: var(--text-light-bg);
            text-align: left;
            transition: background-color 0.2s ease;
            box-sizing: border-box;
        }

        .faq-question:hover {
            background: rgba(0, 217, 119, 0.05);
        }

        .faq-question .icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0d8a53;
            font-size: 18px;
            font-weight: 700;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted-light);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
        }

        /* CTA section */
        .cta-section {
            background: var(--bg-dark);
            padding: var(--section-pad-desktop);
        }

        @media (max-width: 1024px) {
            .cta-section {
                padding: var(--section-pad-tablet);
            }
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: var(--section-pad-mobile);
            }
        }

        .cta-card {
            background: var(--card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-dark-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-card .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-card .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-dark-bg);
            margin: 0 0 8px;
        }

        .cta-card .cta-text p {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.8;
            margin: 0;
        }

        .cta-card .cta-action {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }

        .btn-primary {
            background: var(--accent-green);
            color: var(--bg-dark);
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 12px 22px;
            border: none;
            cursor: pointer;
            font-size: 15px;
            letter-spacing: 0.03em;
            transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            display: inline-block;
        }

        .btn-primary:hover {
            background: #2de088;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 217, 119, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-dark-bg);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            padding: 11px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: all 0.2s ease;
            display: inline-block;
        }

        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(0, 217, 119, 0.08);
        }

        @media (max-width: 768px) {
            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 20px;
            }
            .cta-card .cta-action {
                width: 100%;
                flex-direction: column;
            }
            .cta-card .cta-action .btn-primary,
            .cta-card .cta-action .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }

        /* View more button */
        .view-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        .btn-outline {
            background: transparent;
            color: #0d8a53;
            border: 1px solid rgba(0, 217, 119, 0.4);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            cursor: pointer;
            font-size: 14.5px;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: all 0.2s ease;
            display: inline-block;
        }

        .btn-outline:hover {
            background: rgba(0, 217, 119, 0.08);
            border-color: var(--accent-green);
            color: #0d8a53;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 56px 0 24px;
            color: var(--text-muted-dark);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: var(--text-muted-dark);
            margin: 12px 0 0;
            max-width: 360px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark-bg);
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col a {
            display: block;
            color: var(--text-muted-dark);
            font-size: 14px;
            padding: 5px 0;
            transition: color 0.2s ease;
        }

        .site-footer .footer-col a:hover {
            color: var(--accent-green);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted-dark);
        }

        .site-footer .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color 0.2s ease;
        }

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

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* Mobile hamburger */
        @media (max-width: 768px) {
            .hamburger-btn {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .category-header {
                padding: 88px 0 36px;
            }
            .category-header h1 {
                font-size: 26px;
            }
        }

        @media (min-width: 769px) {
            .mobile-overlay {
                display: none !important;
            }
            .hamburger-btn {
                display: none;
            }
        }

        /* Additional spacing for section */
        .section-alt {
            background: #fff;
        }

        .list-section {
            padding-top: 24px;
            padding-bottom: 48px;
        }

        .list-section .container {
            max-width: 980px;
        }

        .support-section {
            padding-top: 48px;
            padding-bottom: 48px;
        }

        @media (max-width: 768px) {
            .support-section {
                padding-top: 32px;
                padding-bottom: 32px;
            }
            .list-section {
                padding-top: 16px;
                padding-bottom: 32px;
            }
        }