/* roulang page: index */
:root {
            --primary: #0B6E3D;
            --primary-dark: #0F5A34;
            --deep-bg: #0D1B2A;
            --deep-bg-alt: #0F1512;
            --accent: #F2A33C;
            --accent-light: #D7FF3F;
            --bg: #F5F7F4;
            --bg-alt: #F8FAF8;
            --text: #101510;
            --body: #333B34;
            --muted: #6C756E;
            --footer-bg: #14241B;
            --border: rgba(0,0,0,0.06);
            --border-strong: rgba(11,110,61,0.18);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
            --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
            --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1180px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

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

        .section--deep {
            background-color: var(--deep-bg);
            color: #e8f0e9;
        }

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

        .section--deep p {
            color: rgba(232,240,233,0.78);
        }

        .section--green {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
            color: #fff;
        }

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

        .section--green p {
            color: rgba(255,255,255,0.85);
        }

        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-header--row {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .section-tag--light {
            color: rgba(255,255,255,0.85);
        }

        .section-tag--light::before {
            background: var(--accent-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-title--large {
            font-size: 32px;
        }

        .section-title--light {
            color: #fff;
        }

        .section-lead {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-lead--light {
            color: rgba(255,255,255,0.8);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }

        .nav-logo-mark::after {
            content: "";
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.2;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn--ghost {
            background: transparent;
            border: 1.5px solid var(--border-strong);
            color: var(--primary);
        }

        .btn--ghost:hover {
            border-color: var(--primary);
            background: rgba(11,110,61,0.06);
            color: var(--primary-dark);
        }

        .btn--primary {
            background: var(--accent);
            color: #1a1a1a;
            border: 1.5px solid var(--accent);
        }

        .btn--primary:hover {
            background: #e6962a;
            border-color: #e6962a;
            color: #1a1a1a;
            box-shadow: 0 4px 14px rgba(242,163,60,0.35);
        }

        .btn--green {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--primary);
        }

        .btn--green:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(11,110,61,0.3);
        }

        .btn--light {
            background: #fff;
            color: var(--text);
            border: 1.5px solid rgba(0,0,0,0.1);
        }

        .btn--light:hover {
            background: #f8f8f8;
            border-color: rgba(0,0,0,0.2);
            color: var(--text);
        }

        .btn--large {
            padding: 14px 28px;
            font-size: 15px;
            border-radius: var(--radius-md);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            padding: 4px;
        }

        .nav-toggle:hover {
            color: var(--primary);
        }

        /* Hero */
        .hero {
            background: linear-gradient(175deg, #f7faf7 0%, #eef3ee 40%, #f5f7f4 100%);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--accent-light) 100%);
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(11,110,61,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(11,110,61,0.08);
            border: 1px solid var(--border-strong);
            border-radius: 50px;
            padding: 6px 14px;
            width: fit-content;
        }

        .hero-badge i {
            font-size: 12px;
            color: var(--accent);
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            letter-spacing: -0.03em;
            margin: 0;
        }

        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero h1 .highlight::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-light);
            border-radius: 2px;
            opacity: 0.5;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 16px;
            font-weight: 600;
            color: var(--body);
            line-height: 1.6;
            max-width: 460px;
        }

        .hero-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 6px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 12px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-cond);
            letter-spacing: -0.01em;
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 300px;
        }

        .hero-visual-card {
            width: 100%;
            max-width: 440px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            position: relative;
            background: #fff;
        }

        .hero-visual-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(13,27,42,0.8));
            padding: 40px 20px 16px;
            color: #fff;
        }

        .hero-visual-overlay span {
            font-size: 12px;
            font-weight: 500;
            opacity: 0.8;
        }

        .hero-visual-overlay strong {
            font-size: 15px;
            font-weight: 700;
            display: block;
            line-height: 1.3;
        }

        .hero-data-chip {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(13,27,42,0.85);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(8px);
        }

        .hero-data-chip i {
            color: var(--accent);
            font-size: 14px;
        }

        /* Cards */
        .card-grid {
            display: grid;
            gap: 24px;
        }

        .card-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

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

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

        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-img--sm {
            height: 160px;
        }

        .card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin: 0;
        }

        .card-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

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

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

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            background: rgba(11,110,61,0.08);
            color: var(--primary);
            width: fit-content;
        }

        .card-tag--accent {
            background: rgba(242,163,60,0.12);
            color: #c57f20;
        }

        .card-tag--blue {
            background: rgba(13,27,42,0.08);
            color: var(--deep-bg);
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            padding: 28px 0;
        }

        .stats-bar--deep {
            background: var(--deep-bg);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
        }

        .stat-block {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-cond);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-value--light {
            color: var(--accent);
        }

        .stat-unit {
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }

        .stat-label--light {
            color: rgba(255,255,255,0.7);
        }

        /* Process Steps */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            position: relative;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .step-number {
            font-size: 40px;
            font-weight: 800;
            color: rgba(11,110,61,0.14);
            font-family: var(--font-cond);
            line-height: 1;
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            color: rgba(11,110,61,0.28);
        }

        .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .step-text {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* Info List */
        .info-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition);
            cursor: pointer;
        }

        .info-list li:hover {
            border-color: var(--border-strong);
            background: #fafcfa;
            transform: translateX(2px);
        }

        .info-list-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            background: rgba(11,110,61,0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
        }

        .info-list-content {
            flex: 1;
        }

        .info-list-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 2px;
        }

        .info-list-text {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Case Wall */
        .case-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: #fff;
            transition: var(--transition);
        }

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

        .case-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .case-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .case-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .case-card-text {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
        }

        .case-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            line-height: 1.4;
        }

        .faq-question:hover {
            background: #fafcfa;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px 56px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .faq-item--dark {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.12);
        }

        .faq-item--dark .faq-question {
            color: #fff;
        }

        .faq-item--dark .faq-question:hover {
            background: rgba(255,255,255,0.05);
        }

        .faq-item--dark .faq-answer {
            color: rgba(255,255,255,0.75);
        }

        /* Guarantee Bar */
        .guarantee-bar {
            background: var(--footer-bg);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .guarantee-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-light);
            font-size: 22px;
        }

        .guarantee-text {
            flex: 1;
            font-size: 14px;
            color: rgba(255,255,255,0.82);
            line-height: 1.8;
        }

        /* Form */
        .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .form-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            background: #fff;
            font-size: 14px;
            color: var(--text);
            transition: var(--transition);
            outline: none;
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11,110,61,0.1);
        }

        .form-input::placeholder {
            color: #a0a7a1;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--body);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
        }

        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(11,110,61,0.04);
            transform: translateY(-1px);
        }

        /* Entry Matrix */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .entry-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition);
            cursor: pointer;
        }

        .entry-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
            transform: translateX(3px);
        }

        .entry-item-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            background: rgba(11,110,61,0.07);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .entry-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 2px;
        }

        .entry-item-text {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
        }

        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border-strong);
        }

        .testimonial-quote {
            font-size: 14px;
            color: var(--body);
            line-height: 1.75;
            margin: 0;
        }

        .testimonial-quote::before {
            content: "\201C";
            font-size: 28px;
            color: var(--primary);
            font-weight: 700;
            line-height: 1;
            display: block;
            margin-bottom: 4px;
        }

        .testimonial-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .testimonial-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(11,110,61,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 20px;
            border-top: 4px solid rgba(11,110,61,0.3);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-text {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255,255,255,0.6);
            margin: 12px 0 0;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col-links a {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }

        .footer-col-links a:hover {
            color: var(--accent);
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-newsletter {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-newsletter input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.06);
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: var(--transition);
        }

        .footer-newsletter input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        .footer-newsletter input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.1);
        }

        .footer-newsletter .btn {
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-menu.show {
            display: flex;
        }

        .mobile-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu .btn {
            margin-top: 6px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid--3,
            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-bar--deep {
                grid-template-columns: repeat(3, 1fr);
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .hero-visual {
                min-height: auto;
            }

            .hero h1 {
                font-size: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .nav-cta {
                display: none;
            }

            .nav-container {
                height: 60px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .section-title--large {
                font-size: 26px;
            }

            .card-grid--3,
            .card-grid--4,
            .card-grid--2 {
                grid-template-columns: 1fr;
            }

            .steps-list {
                grid-template-columns: 1fr;
            }

            .entry-matrix {
                grid-template-columns: 1fr;
            }

            .stats-bar--deep {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
            }

            .hero {
                padding: 30px 0 40px;
            }

            .hero h1 {
                font-size: 27px;
                letter-spacing: -0.02em;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-desc {
                font-size: 14px;
                line-height: 1.75;
            }

            .hero-stats-row {
                gap: 16px;
            }

            .hero-stat-value {
                font-size: 20px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .guarantee-bar {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .form-row {
                flex-direction: column;
            }

            .form-input {
                min-width: 100%;
            }

            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 32px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .section-title--large {
                font-size: 24px;
            }

            .hero h1 {
                font-size: 24px;
                line-height: 1.3;
            }

            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }

            .stats-bar--deep {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stat-value {
                font-size: 26px;
            }

            .btn--large {
                padding: 12px 20px;
                font-size: 14px;
            }

            .hero-visual-card img {
                height: 200px;
            }

            .card-img {
                height: 170px;
            }

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

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B6E3D;
            --primary-dark: #0F5A34;
            --deep-bg: #0D1B2A;
            --deep-bg-alt: #0F1512;
            --accent: #F2A33C;
            --accent-light: #D7FF3F;
            --bg: #F5F7F4;
            --bg-alt: #F8FAF8;
            --text: #101510;
            --body: #333B34;
            --muted: #6C756E;
            --footer-bg: #14241B;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(11, 110, 61, 0.18);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.18);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
            --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
            --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1180px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

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

        .section--deep {
            background-color: var(--deep-bg);
            color: #e8f0e9;
        }

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

        .section--deep p {
            color: rgba(232, 240, 233, 0.78);
        }

        .section--green {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
            color: #fff;
        }

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

        .section--green p {
            color: rgba(255, 255, 255, 0.85);
        }

        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-header--row {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .section-tag--light {
            color: rgba(255, 255, 255, 0.85);
        }

        .section-tag--light::before {
            background: var(--accent-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-title--large {
            font-size: 32px;
        }

        .section-title--light {
            color: #fff;
        }

        .section-lead {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-lead--light {
            color: rgba(255, 255, 255, 0.8);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }

        .nav-logo-mark::after {
            content: "";
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

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

        .nav-links li a {
            display: block;
            padding: 6px 14px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(11, 110, 61, 0.05);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(11, 110, 61, 0.08);
        }

        .nav-links li a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 2px solid transparent;
            transition: var(--transition);
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn--sm {
            padding: 8px 14px;
            font-size: 13.5px;
            border-radius: var(--radius-sm);
        }

        .btn--lg {
            padding: 14px 28px;
            font-size: 16px;
        }

        .btn--primary {
            background: var(--accent);
            color: #1a1a1a;
            border-color: var(--accent);
        }

        .btn--primary:hover {
            background: #e6922f;
            border-color: #e6922f;
            color: #1a1a1a;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(242, 163, 60, 0.35);
        }

        .btn--ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }

        .btn--ghost:hover {
            background: rgba(11, 110, 61, 0.06);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .btn--light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn--light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .btn:focus-visible,
        .nav-links li a:focus-visible,
        .nav-toggle:focus-visible,
        .footer-col-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13.5px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .breadcrumb .sep {
            color: rgba(0, 0, 0, 0.25);
            font-size: 12px;
        }

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

        /* Category Page Hero */
        .category-hero {
            padding: 48px 0 36px;
            background:
                linear-gradient(180deg, rgba(245, 247, 244, 0.98) 0%, rgba(245, 247, 244, 0.92) 100%),
                url('/assets/images/58ab4d2bf1ac4a64.webp') center center / cover no-repeat;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--accent-light) 100%);
            opacity: 0.7;
        }

        .category-hero-content {
            max-width: 780px;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            font-family: var(--font-cond);
        }

        .category-hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .category-hero h1 .highlight::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 4px;
            background: var(--accent-light);
            opacity: 0.8;
            border-radius: 2px;
            z-index: -1;
        }

        .category-hero .lead {
            font-size: 16px;
            color: var(--body);
            line-height: 1.8;
            max-width: 640px;
        }

        .category-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .category-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13.5px;
            color: var(--muted);
        }

        .category-hero .hero-meta i {
            color: var(--primary);
        }

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

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

        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8ece8;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            border: 1px solid var(--border-strong);
            backdrop-filter: blur(6px);
        }

        .card-badge--accent {
            background: rgba(242, 163, 60, 0.92);
            color: #1a1a1a;
            border-color: rgba(242, 163, 60, 0.4);
        }

        .card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .card-title {
            font-size: 16.5px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            margin: 0;
        }

        .card-title a {
            color: inherit;
        }

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

        .card-desc {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 10px;
            margin-top: 4px;
        }

        .card-meta-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .card-meta-tags span {
            background: rgba(11, 110, 61, 0.07);
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 12px;
            font-size: 11.5px;
            font-weight: 500;
        }

        /* Category Intro Section */
        .category-intro {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .category-intro::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 0 2px 2px 0;
        }

        .category-intro h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .category-intro p {
            font-size: 15px;
            color: var(--body);
            line-height: 1.85;
            margin-bottom: 10px;
        }

        .category-intro p:last-child {
            margin-bottom: 0;
        }

        /* Hot Cards Horizontal */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

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

        .hot-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .hot-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8ece8;
        }

        .hot-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .hot-card-body {
            padding: 14px 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .hot-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .hot-card-title a {
            color: inherit;
        }

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

        .hot-card-meta {
            font-size: 11.5px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Dimension List */
        .dimension-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .dimension-item {
            display: flex;
            gap: 14px;
            padding: 20px 22px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }

        .dimension-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }

        .dimension-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: rgba(11, 110, 61, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }

        .dimension-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 6px;
        }

        .dimension-content p {
            font-size: 13.5px;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text);
            user-select: none;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            background: rgba(11, 110, 61, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px 54px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* Tags Navigation */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tags-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13.5px;
            color: var(--body);
            transition: var(--transition);
        }

        .tags-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .tags-cloud a i {
            font-size: 11px;
            color: var(--accent);
        }

        .tags-cloud a:hover i {
            color: var(--accent-light);
        }

        /* Newsletter CTA */
        .newsletter-cta {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .newsletter-cta::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 160px;
            height: 160px;
            background: rgba(242, 163, 60, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .newsletter-cta-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .newsletter-cta-content p {
            font-size: 14.5px;
            color: var(--muted);
            margin: 0;
        }

        .newsletter-form {
            display: flex;
            gap: 10px;
            flex: 1;
            max-width: 420px;
            min-width: 260px;
        }

        .newsletter-form input {
            flex: 1;
            padding: 11px 16px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--bg);
            color: var(--text);
            transition: var(--transition);
        }

        .newsletter-form input:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(11, 110, 61, 0.1);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(232, 240, 233, 0.75);
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand-text {
            font-size: 13.5px;
            line-height: 1.8;
            margin: 8px 0 16px;
            color: rgba(232, 240, 233, 0.6);
        }

        .footer-newsletter {
            display: flex;
            gap: 8px;
            max-width: 300px;
        }

        .footer-newsletter input {
            flex: 1;
            padding: 9px 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            font-size: 13px;
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            transition: var(--transition);
        }

        .footer-newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-newsletter input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .footer-col-links li a {
            color: rgba(232, 240, 233, 0.6);
            font-size: 13.5px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col-links li a:hover {
            color: var(--accent-light);
            transform: translateX(3px);
        }

        .footer-bottom {
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12.5px;
            color: rgba(232, 240, 233, 0.45);
        }

        .footer-bottom a {
            color: rgba(232, 240, 233, 0.55);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
                gap: 2px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 10px;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                border-radius: 0;
            }
            .nav-links li a.active::after {
                display: none;
            }
            .nav-links li a.active {
                background: rgba(11, 110, 61, 0.06);
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta {
                display: none;
            }
            .nav-cta.mobile-visible {
                display: flex;
                flex-direction: column;
                width: 100%;
                gap: 8px;
                padding-top: 8px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .nav-cta.mobile-visible .btn {
                width: 100%;
            }

            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-title--large {
                font-size: 24px;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .lead {
                font-size: 14.5px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .category-intro {
                padding: 20px 18px;
            }
            .newsletter-cta {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .newsletter-form {
                width: 100%;
                max-width: 100%;
                flex-direction: column;
            }
            .newsletter-form input {
                width: 100%;
            }
            .newsletter-form .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb {
                font-size: 12.5px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 23px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .btn--lg {
                padding: 12px 22px;
                font-size: 15px;
            }
            .cards-grid {
                gap: 14px;
            }
            .card-body {
                padding: 14px 14px 16px;
            }
            .card-title {
                font-size: 15px;
            }
            .card-desc {
                font-size: 12.5px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px 42px;
                font-size: 13px;
            }
            .dimension-item {
                padding: 16px;
            }
            .tags-cloud a {
                padding: 6px 12px;
                font-size: 12.5px;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #0B6E3D;
        --primary-dark: #0F5A34;
        --deep-bg: #0D1B2A;
        --deep-bg-alt: #0F1512;
        --accent: #F2A33C;
        --accent-light: #D7FF3F;
        --bg: #F5F7F4;
        --bg-alt: #F8FAF8;
        --text: #101510;
        --body: #333B34;
        --muted: #6C756E;
        --footer-bg: #14241B;
        --border: rgba(0,0,0,0.06);
        --border-strong: rgba(11,110,61,0.18);
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
        --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
        --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
        --radius-sm: 4px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --radius-xl: 16px;
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
        --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
        --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --max-width: 1180px;
    }
    html {
        scroll-behavior: smooth;
        font-size: 16px;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--body);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: var(--primary);
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, input, textarea, select {
        font-family: var(--font-sans);
        font-size: inherit;
    }
    button {
        cursor: pointer;
    }
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section {
        padding: 56px 0;
        position: relative;
    }
    .section--alt {
        background-color: var(--bg-alt);
    }
    .section--deep {
        background-color: var(--deep-bg);
        color: #e8f0e9;
    }
    .section--deep h2, .section--deep h3 {
        color: #fff;
    }
    .section--deep p {
        color: rgba(232,240,233,0.78);
    }
    .section--green {
        background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
        color: #fff;
    }
    .section--green h2, .section--green h3 {
        color: #fff;
    }
    .section--green p {
        color: rgba(255,255,255,0.85);
    }
    .section-header {
        margin-bottom: 36px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .section-header--row {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
        flex-wrap: wrap;
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 1px;
        color: var(--primary);
        text-transform: uppercase;
        margin-bottom: 6px;
    }
    .section-tag::before {
        content: "";
        width: 20px;
        height: 2px;
        background: var(--accent);
        border-radius: 1px;
    }
    .section-tag--light {
        color: rgba(255,255,255,0.85);
    }
    .section-tag--light::before {
        background: var(--accent-light);
    }
    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text);
        letter-spacing: -0.02em;
    }
    .section-title--large {
        font-size: 32px;
    }
    .section-title--light {
        color: #fff;
    }
    .section-lead {
        font-size: 15px;
        color: var(--muted);
        max-width: 680px;
        line-height: 1.8;
    }
    .section-lead--light {
        color: rgba(255,255,255,0.8);
    }

    /* Header & Nav */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255,255,255,0.94);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        transition: var(--transition);
    }
    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }
    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 68px;
        gap: 20px;
    }
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .nav-logo-mark {
        width: 38px;
        height: 38px;
        background: var(--primary);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-weight: 800;
        font-size: 18px;
        position: relative;
        overflow: hidden;
    }
    .nav-logo-mark::after {
        content: "";
        position: absolute;
        width: 100%;
        height: 3px;
        background: var(--accent);
        bottom: 0;
        left: 0;
    }
    .nav-logo-text {
        font-size: 19px;
        font-weight: 700;
        color: var(--text);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }
    .nav-logo-text span {
        color: var(--primary);
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex: 1;
        justify-content: center;
    }
    .nav-links li {
        margin: 0;
    }
    .nav-links a {
        font-size: 14px;
        font-weight: 500;
        color: #4A544B;
        padding: 8px 0;
        position: relative;
        white-space: nowrap;
        transition: var(--transition);
    }
    .nav-links a::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: width 0.3s ease;
        border-radius: 1px;
    }
    .nav-links a:hover {
        color: var(--primary);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
        width: 100%;
    }
    .nav-links a.active {
        color: var(--primary);
        font-weight: 600;
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border: 1px solid var(--border);
        background: #fff;
        border-radius: var(--radius-md);
        font-size: 18px;
        color: var(--text);
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: var(--transition);
    }
    .nav-toggle:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 24px;
        border: none;
        border-radius: var(--radius-sm);
        text-decoration: none;
        transition: var(--transition);
        cursor: pointer;
        line-height: 1.4;
        letter-spacing: 0.01em;
        white-space: nowrap;
    }
    .btn:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .btn--primary {
        background: var(--primary);
        color: #fff;
    }
    .btn--primary:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(11,110,61,0.25);
    }
    .btn--primary:active {
        transform: translateY(0);
        box-shadow: none;
    }
    .btn--accent {
        background: var(--accent);
        color: #1A1D1A;
    }
    .btn--accent:hover {
        background: #e0912c;
        color: #1A1D1A;
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(242,163,60,0.3);
    }
    .btn--ghost {
        background: transparent;
        color: var(--primary);
        border: 1.5px solid var(--primary);
    }
    .btn--ghost:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-1px);
    }
    .btn--ghost-light {
        background: transparent;
        color: #fff;
        border: 1.5px solid rgba(255,255,255,0.5);
    }
    .btn--ghost-light:hover {
        background: rgba(255,255,255,0.1);
        border-color: #fff;
        color: #fff;
    }
    .btn--sm {
        padding: 9px 16px;
        font-size: 13px;
        border-radius: var(--radius-sm);
    }
    .btn--lg {
        padding: 16px 32px;
        font-size: 17px;
        border-radius: var(--radius-md);
    }
    .btn--block {
        width: 100%;
    }
    .btn--link {
        background: none;
        border: none;
        padding: 0;
        color: var(--primary);
        font-weight: 600;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .btn--link:hover {
        color: var(--primary-dark);
        gap: 10px;
    }

    /* Breadcrumb */
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--muted);
        flex-wrap: wrap;
        padding: 0;
        margin: 0;
        list-style: none;
    }
    .breadcrumb li {
        display: flex;
        align-items: center;
        gap: 8px;
        margin: 0;
    }
    .breadcrumb li:not(:last-child)::after {
        content: "/";
        color: #B0B8B2;
        font-size: 12px;
    }
    .breadcrumb a {
        color: var(--muted);
    }
    .breadcrumb a:hover {
        color: var(--primary);
    }
    .breadcrumb .current {
        color: var(--text);
        font-weight: 600;
    }

    /* Category Hero */
    .category-hero {
        padding: 40px 0 32px;
        background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
        border-bottom: 1px solid var(--border);
    }
    .category-hero h1 {
        font-size: 36px;
        font-weight: 700;
        color: var(--text);
        letter-spacing: -0.02em;
        margin-bottom: 12px;
        line-height: 1.25;
    }
    .category-hero .cat-subtitle {
        font-size: 16px;
        color: var(--muted);
        max-width: 720px;
        line-height: 1.8;
        margin-bottom: 8px;
    }
    .category-hero .cat-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--muted);
    }
    .category-hero .cat-meta .meta-item {
        display: flex;
        align-items: center;
        gap: 5px;
    }
    .category-hero .cat-meta i {
        color: var(--primary);
        font-size: 13px;
    }

    /* Card Grid */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .card-grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
    .card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
    }
    .card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
        border-color: var(--border-strong);
    }
    .card__media {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/9;
        background: var(--bg-alt);
    }
    .card__media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .card:hover .card__media img {
        transform: scale(1.05);
    }
    .card__body {
        padding: 20px 22px 22px;
    }
    .card__tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.03em;
        padding: 4px 10px;
        background: rgba(11,110,61,0.1);
        color: var(--primary);
        border-radius: 30px;
        margin-bottom: 10px;
    }
    .card__tag--orange {
        background: rgba(242,163,60,0.15);
        color: #C07D1C;
    }
    .card__tag--blue {
        background: rgba(13,27,42,0.08);
        color: #2C3E50;
    }
    .card__title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        line-height: 1.4;
        margin-bottom: 8px;
        letter-spacing: -0.01em;
    }
    .card__title a {
        color: var(--text);
    }
    .card__title a:hover {
        color: var(--primary);
    }
    .card__excerpt {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card__meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 12px;
        color: #9AA39C;
        border-top: 1px solid var(--border);
        padding-top: 12px;
        flex-wrap: wrap;
    }
    .card__meta span {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .card__meta i {
        font-size: 11px;
        color: #B0B8B2;
    }

    /* Horizontal Mini Cards */
    .mini-card-row {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .mini-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
    }
    .mini-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
        border-color: var(--border-strong);
    }
    .mini-card__media {
        aspect-ratio: 3/2;
        overflow: hidden;
        background: var(--bg-alt);
    }
    .mini-card__media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .mini-card:hover .mini-card__media img {
        transform: scale(1.04);
    }
    .mini-card__body {
        padding: 12px 14px 14px;
    }
    .mini-card__title {
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        line-height: 1.4;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .mini-card__meta {
        font-size: 11px;
        color: #9AA39C;
    }

    /* Dimension Icons */
    .dimension-list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .dimension-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 20px;
        display: flex;
        align-items: flex-start;
        gap: 14px;
        transition: var(--transition);
    }
    .dimension-item:hover {
        border-color: var(--border-strong);
        box-shadow: var(--shadow-sm);
    }
    .dimension-item__icon {
        width: 42px;
        height: 42px;
        background: rgba(11,110,61,0.1);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 18px;
        flex-shrink: 0;
    }
    .dimension-item__body h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 4px;
        line-height: 1.4;
    }
    .dimension-item__body p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* FAQ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: var(--border-strong);
    }
    .faq-item__question {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 20px;
        background: none;
        border: none;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        cursor: pointer;
        transition: var(--transition);
        line-height: 1.5;
    }
    .faq-item__question .faq-icon {
        width: 24px;
        height: 24px;
        background: rgba(11,110,61,0.08);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 11px;
        flex-shrink: 0;
        transition: var(--transition);
    }
    .faq-item__question:hover {
        color: var(--primary);
    }
    .faq-item__question:hover .faq-icon {
        background: var(--primary);
        color: #fff;
    }
    .faq-item__answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 20px;
    }
    .faq-item__answer p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.85;
        padding-bottom: 16px;
        margin-bottom: 0;
        border-left: 3px solid var(--primary);
        padding-left: 16px;
        margin-left: 12px;
    }
    .faq-item.is-open {
        border-color: var(--border-strong);
        box-shadow: var(--shadow-sm);
    }
    .faq-item.is-open .faq-icon {
        background: var(--primary);
        color: #fff;
        transform: rotate(45deg);
    }
    .faq-item.is-open .faq-item__answer {
        max-height: 500px;
        padding-top: 6px;
    }

    /* Tag Cloud */
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .tag-cloud li {
        margin: 0;
    }
    .tag-cloud a {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 13px;
        font-weight: 500;
        color: var(--body);
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 30px;
        padding: 8px 16px;
        transition: var(--transition);
    }
    .tag-cloud a:hover {
        color: var(--primary);
        border-color: var(--border-strong);
        box-shadow: var(--shadow-sm);
        transform: translateY(-1px);
    }
    .tag-cloud a i {
        font-size: 11px;
        color: var(--primary);
    }

    /* Subscribe / CTA */
    .subscribe-box {
        background: linear-gradient(135deg, var(--deep-bg) 0%, #1a2d20 100%);
        border-radius: var(--radius-xl);
        padding: 40px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        flex-wrap: wrap;
    }
    .subscribe-box__text h3 {
        font-size: 22px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 6px;
    }
    .subscribe-box__text p {
        font-size: 14px;
        color: rgba(232,240,233,0.7);
        margin-bottom: 0;
    }
    .subscribe-box__form {
        display: flex;
        gap: 10px;
        flex: 1;
        max-width: 420px;
        min-width: 280px;
    }
    .subscribe-box__form input {
        flex: 1;
        padding: 12px 16px;
        border: 1px solid rgba(255,255,255,0.2);
        border-radius: var(--radius-sm);
        background: rgba(255,255,255,0.08);
        color: #fff;
        font-size: 14px;
        outline: none;
        transition: var(--transition);
    }
    .subscribe-box__form input::placeholder {
        color: rgba(255,255,255,0.5);
    }
    .subscribe-box__form input:focus {
        border-color: var(--accent);
        background: rgba(255,255,255,0.12);
    }
    .subscribe-box__form .btn {
        flex-shrink: 0;
    }

    /* Intro Text Block */
    .intro-block {
        max-width: 800px;
        font-size: 15px;
        line-height: 1.9;
        color: var(--body);
    }
    .intro-block p {
        margin-bottom: 12px;
    }
    .intro-block p:last-child {
        margin-bottom: 0;
    }
    .intro-block strong {
        color: var(--text);
        font-weight: 600;
    }

    /* Footer */
    .site-footer {
        background: var(--footer-bg);
        color: rgba(232,240,233,0.75);
        padding: 56px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand-text {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(232,240,233,0.65);
        margin: 12px 0 18px;
        max-width: 300px;
    }
    .footer-col-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .footer-col-links {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col-links li {
        margin: 0;
    }
    .footer-col-links a {
        font-size: 13px;
        color: rgba(232,240,233,0.65);
        transition: var(--transition);
    }
    .footer-col-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }
    .footer-newsletter {
        display: flex;
        gap: 8px;
        margin-top: 6px;
        max-width: 320px;
    }
    .footer-newsletter input {
        flex: 1;
        padding: 10px 14px;
        border: 1px solid rgba(255,255,255,0.15);
        border-radius: var(--radius-sm);
        background: rgba(255,255,255,0.06);
        color: #fff;
        font-size: 13px;
        outline: none;
        transition: var(--transition);
    }
    .footer-newsletter input::placeholder {
        color: rgba(255,255,255,0.4);
    }
    .footer-newsletter input:focus {
        border-color: var(--accent);
        background: rgba(255,255,255,0.1);
    }
    .footer-copyright {
        padding: 20px 0;
        font-size: 12px;
        color: rgba(232,240,233,0.45);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .footer-copyright a {
        color: rgba(232,240,233,0.45);
    }
    .footer-copyright a:hover {
        color: var(--accent);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .nav-links {
            gap: 18px;
        }
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid--4,
        .mini-card-row {
            grid-template-columns: repeat(2, 1fr);
        }
        .dimension-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1.5fr 1fr 1fr;
        }
        .footer-grid > div:last-child {
            grid-column: span 1;
        }
    }
    @media (max-width: 768px) {
        .nav-container {
            height: 60px;
            gap: 12px;
        }
        .nav-links {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: stretch;
            padding: 16px 24px 24px;
            gap: 0;
            box-shadow: 0 12px 24px rgba(0,0,0,0.12);
            border-bottom: 2px solid var(--border);
            display: none;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
        }
        .nav-links.is-open {
            display: flex;
        }
        .nav-links li {
            border-bottom: 1px solid var(--border);
        }
        .nav-links li:last-child {
            border-bottom: none;
        }
        .nav-links a {
            display: block;
            padding: 14px 0;
            font-size: 15px;
        }
        .nav-links a::after {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .section {
            padding: 40px 0;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .category-hero .cat-subtitle {
            font-size: 15px;
        }
        .card-grid,
        .card-grid--2,
        .card-grid--4,
        .mini-card-row,
        .dimension-list {
            grid-template-columns: 1fr;
        }
        .subscribe-box {
            padding: 28px 24px;
            flex-direction: column;
            align-items: stretch;
            text-align: left;
        }
        .subscribe-box__form {
            flex-direction: column;
            max-width: 100%;
        }
        .subscribe-box__form .btn {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-copyright {
            flex-direction: column;
            text-align: center;
        }
        .section-title {
            font-size: 24px;
        }
        .section-title--large {
            font-size: 26px;
        }
        .section-header--row {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .nav-logo-text {
            font-size: 17px;
        }
        .nav-logo-mark {
            width: 32px;
            height: 32px;
            font-size: 15px;
        }
        .category-hero h1 {
            font-size: 24px;
        }
        .card__body {
            padding: 16px;
        }
        .card__title {
            font-size: 16px;
        }
        .subs-box__form input {
            font-size: 13px;
        }
        .btn--lg {
            padding: 14px 24px;
            font-size: 15px;
        }
        .faq-item__question {
            font-size: 14px;
            padding: 14px 16px;
        }
        .faq-item__answer p {
            font-size: 13px;
            margin-left: 8px;
            padding-left: 12px;
        }
        .subscribe-box__text h3 {
            font-size: 19px;
        }
    }

/* roulang page: category3 */
:root {
            --primary: #0B6E3D;
            --primary-dark: #0F5A34;
            --deep-bg: #0D1B2A;
            --deep-bg-alt: #0F1512;
            --accent: #F2A33C;
            --accent-light: #D7FF3F;
            --bg: #F5F7F4;
            --bg-alt: #F8FAF8;
            --text: #101510;
            --body: #333B34;
            --muted: #6C756E;
            --footer-bg: #14241B;
            --border: rgba(0,0,0,0.06);
            --border-strong: rgba(11,110,61,0.18);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
            --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
            --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
            line-height: 1.5;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 0.5em;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        p {
            margin: 0 0 1em;
        }

        ul, ol {
            margin: 0 0 1em;
            padding-left: 1.5em;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

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

        .section--deep {
            background-color: var(--deep-bg);
            color: #e8f0e9;
        }

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

        .section--deep p {
            color: rgba(232,240,233,0.78);
        }

        .section--green {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
            color: #fff;
        }

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

        .section--green p {
            color: rgba(255,255,255,0.85);
        }

        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-header--row {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .section-tag--light {
            color: rgba(255,255,255,0.85);
        }

        .section-tag--light::before {
            background: var(--accent-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-title--large {
            font-size: 32px;
        }

        .section-title--light {
            color: #fff;
        }

        .section-lead {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-lead--light {
            color: rgba(255,255,255,0.8);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-mark::after {
            content: "";
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

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

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: #3c443d;
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: rgba(11,110,61,0.05);
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(11,110,61,0.06);
        }

        .nav-links li a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            background: var(--bg-alt);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(11,110,61,0.06);
            border-color: var(--border-strong);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            line-height: 1.4;
            text-align: center;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(242,163,60,0.4);
            outline-offset: 2px;
        }

        .btn--sm {
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn--md {
            padding: 11px 24px;
            font-size: 15px;
        }

        .btn--lg {
            padding: 14px 30px;
            font-size: 16px;
        }

        .btn--primary {
            background: var(--accent);
            color: #1a1a1a;
            border-color: var(--accent);
        }

        .btn--primary:hover {
            background: #e6962d;
            border-color: #e6962d;
            color: #1a1a1a;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(242,163,60,0.35);
        }

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

        .btn--ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }

        .btn--ghost:hover {
            background: rgba(11,110,61,0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .btn--light:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: #1a1a1a;
            transform: translateY(-1px);
        }

        .btn--outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.4);
        }

        .btn--outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
            list-style: none;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li + li::before {
            content: "/";
            color: #b8c0b9;
            font-size: 12px;
        }

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

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

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

        /* Category Hero */
        .category-hero {
            background: linear-gradient(135deg, #0F5A34 0%, #0D1B2A 70%, #0F1512 100%);
            padding: 48px 0 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(242,163,60,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(11,110,61,0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .category-hero .category-hero-sub {
            font-size: 16px;
            color: rgba(255,255,255,0.8);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 0;
        }

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

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

        .card-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

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

        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .card__image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #e8ece8;
        }

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

        .card:hover .card__image img {
            transform: scale(1.03);
        }

        .card__body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card__title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .card__excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .card__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #8a928b;
        }

        .card__tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            background: rgba(11,110,61,0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            white-space: nowrap;
        }

        .card__tag--accent {
            background: rgba(242,163,60,0.12);
            color: #b8791f;
        }

        .card__date {
            margin-left: auto;
        }

        /* Info rows */
        .info-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-row__icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            background: rgba(11,110,61,0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
        }

        .info-row__content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .info-row__content p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Tags cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--body);
            transition: var(--transition);
        }

        .tag-cloud a:hover {
            background: rgba(11,110,61,0.06);
            border-color: var(--border-strong);
            color: var(--primary);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
        }

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

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            background: rgba(11,110,61,0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 12px;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* CTA strip */
        .cta-strip {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 50%, #0D1B2A 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-strip::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(242,163,60,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-strip h2 {
            font-size: 26px;
            color: #fff;
            margin-bottom: 6px;
            position: relative;
            z-index: 2;
        }

        .cta-strip p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 0;
            max-width: 480px;
            position: relative;
            z-index: 2;
            font-size: 14px;
            line-height: 1.7;
        }

        .cta-strip .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }

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

        .footer-brand-text {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.6);
            margin: 12px 0 16px;
        }

        .footer-newsletter {
            display: flex;
            gap: 8px;
            max-width: 320px;
        }

        .footer-newsletter input {
            flex: 1;
            padding: 9px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.15);
            background: rgba(255,255,255,0.06);
            color: #fff;
            outline: none;
            transition: var(--transition);
        }

        .footer-newsletter input::placeholder {
            color: rgba(255,255,255,0.4);
        }

        .footer-newsletter input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.1);
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }

            .nav-links li a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .card-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(0,0,0,0.1);
                        }
            .nav-links.open {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid--2 {
                grid-template-columns: 1fr;
            }
            .card-grid--4 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-newsletter {
                flex-direction: column;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 0;
            }
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-title--large {
                font-size: 26px;
            }
            .btn--lg {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
     --primary: #0B6E3D;
     --primary-dark: #0F5A34;
     --deep-bg: #0D1B2A;
     --deep-bg-alt: #0F1512;
     --accent: #F2A33C;
     --accent-light: #D7FF3F;
     --bg: #F5F7F4;
     --bg-alt: #F8FAF8;
     --text: #101510;
     --body: #333B34;
     --muted: #6C756E;
     --footer-bg: #14241B;
     --border: rgba(0,0,0,0.06);
     --border-strong: rgba(11,110,61,0.18);
     --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
     --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
     --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
     --radius-sm: 4px;
     --radius-md: 8px;
     --radius-lg: 12px;
     --radius-xl: 16px;
     --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
     --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
     --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
     --max-width: 1180px;
     }
    *,
    *::before,
    *::after {
     box-sizing: border-box;
     margin: 0;
     padding: 0;
     }
    html {
     scroll-behavior: smooth;
     font-size: 16px;
     -webkit-text-size-adjust: 100%;
     }
    body {
     font-family: var(--font-sans);
     font-size: 16px;
     line-height: 1.75;
     color: var(--body);
     background-color: var(--bg);
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     overflow-x: hidden;
     min-height: 100vh;
     display: flex;
     flex-direction: column;
     }
    main {
     flex: 1 0 auto;
     }
    a {
     text-decoration: none;
     color: var(--primary);
     transition: var(--transition);
     }
    a:hover {
     color: var(--primary-dark);
     }
    img {
     max-width: 100%;
     height: auto;
     display: block;
     }
    button,
    input,
    textarea,
    select {
     font-family: var(--font-sans);
     font-size: inherit;
     }
    button {
     cursor: pointer;
     background: none;
     border: none;
     }
    ul,
    ol {
     list-style: none;
     }
    .container {
     max-width: var(--max-width);
     margin: 0 auto;
     padding: 0 24px;
     width: 100%;
     }
    .section {
     padding: 56px 0;
     position: relative;
     }
    .section--alt {
     background-color: var(--bg-alt);
     }
    .section--deep {
     background-color: var(--deep-bg);
     color: #e8f0e9;
     }
    .section--deep h2,
    .section--deep h3 {
     color: #fff;
     }
    .section--deep p {
     color: rgba(232,240,233,0.78);
     }
    .section--green {
     background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
     color: #fff;
     }
    .section--green h2,
    .section--green h3 {
     color: #fff;
     }
    .section--green p {
     color: rgba(255,255,255,0.85);
     }
    .section-header {
     margin-bottom: 36px;
     display: flex;
     flex-direction: column;
     gap: 10px;
     }
    .section-header--row {
     flex-direction: row;
     justify-content: space-between;
     align-items: flex-end;
     flex-wrap: wrap;
     }
    .section-tag {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     font-size: 13px;
     font-weight: 600;
     letter-spacing: 1px;
     color: var(--primary);
     text-transform: uppercase;
     margin-bottom: 6px;
     }
    .section-tag::before {
     content: "";
     width: 20px;
     height: 2px;
     background: var(--accent);
     border-radius: 1px;
     }
    .section-tag--light {
     color: rgba(255,255,255,0.85);
     }
    .section-tag--light::before {
     background: var(--accent-light);
     }
    .section-title {
     font-size: 28px;
     font-weight: 700;
     line-height: 1.3;
     color: var(--text);
     letter-spacing: -0.02em;
     }
    .section-title--large {
     font-size: 32px;
     }
    .section-title--light {
     color: #fff;
     }
    .section-lead {
     font-size: 15px;
     color: var(--muted);
     max-width: 680px;
     line-height: 1.8;
     }
    .section-lead--light {
     color: rgba(255,255,255,0.8);
     }
    .site-header {
     position: sticky;
     top: 0;
     z-index: 1000;
     background: rgba(255,255,255,0.94);
     backdrop-filter: blur(12px);
     -webkit-backdrop-filter: blur(12px);
     border-bottom: 1px solid var(--border);
     transition: var(--transition);
     }
    .site-header.scrolled {
     box-shadow: 0 4px 20px rgba(0,0,0,0.08);
     }
    .nav-container {
     display: flex;
     align-items: center;
     justify-content: space-between;
     height: 68px;
     gap: 20px;
     }
    .nav-logo {
     display: flex;
     align-items: center;
     gap: 10px;
     flex-shrink: 0;
     }
    .nav-logo-mark {
     width: 38px;
     height: 38px;
     background: var(--primary);
     border-radius: var(--radius-md);
     display: flex;
     align-items: center;
     justify-content: center;
     color: #fff;
     font-weight: 800;
     font-size: 18px;
     position: relative;
     overflow: hidden;
     }
    .nav-logo-mark::after {
     content: "";
     position: absolute;
     width: 100%;
     height: 3px;
     background: var(--accent);
     bottom: 0;
     left: 0;
     }
    .nav-logo-text {
     font-size: 19px;
     font-weight: 700;
     color: var(--text);
     letter-spacing: 0.02em;
     white-space: nowrap;
     }
    .nav-logo-text span {
     color: var(--primary);
     }
    .nav-links {
     display: flex;
     align-items: center;
     gap: 22px;
     margin: 0;
     }
    .nav-links a {
     font-size: 14.5px;
     font-weight: 500;
     color: #3d453f;
     padding: 4px 0;
     position: relative;
     white-space: nowrap;
     }
    .nav-links a::after {
     content: "";
     position: absolute;
     bottom: -2px;
     left: 50%;
     transform: translateX(-50%);
     width: 0;
     height: 2px;
     background: var(--primary);
     transition: var(--transition);
     border-radius: 1px;
     }
    .nav-links a:hover::after,
    .nav-links a.active::after {
     width: 100%;
     left: 0;
     transform: translateX(0);
     }
    .nav-links a:hover {
     color: var(--primary);
     }
    .nav-links a.active {
     color: var(--primary);
     font-weight: 600;
     }
    .nav-cta {
     display: flex;
     align-items: center;
     gap: 10px;
     flex-shrink: 0;
     }
    .btn {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     gap: 8px;
     font-weight: 600;
     font-size: 14px;
     padding: 10px 20px;
     border-radius: var(--radius-sm);
     transition: var(--transition);
     border: 1.5px solid transparent;
     letter-spacing: 0.01em;
     line-height: 1.4;
     }
    .btn:focus-visible {
     outline: 2px solid var(--accent);
     outline-offset: 2px;
     }
    .btn--sm {
     padding: 7px 14px;
     font-size: 13px;
     }
    .btn--primary {
     background: var(--accent);
     color: #1a1a1a;
     border-color: var(--accent);
     }
    .btn--primary:hover {
     background: #e0922f;
     border-color: #e0922f;
     color: #1a1a1a;
     transform: translateY(-1px);
     box-shadow: var(--shadow-sm);
     }
    .btn--ghost {
     background: transparent;
     color: var(--primary);
     border-color: var(--border-strong);
     }
    .btn--ghost:hover {
     background: rgba(11,110,61,0.06);
     border-color: var(--primary);
     color: var(--primary);
     }
    .btn--white {
     background: #fff;
     color: var(--primary);
     border-color: #fff;
     }
    .btn--white:hover {
     background: rgba(255,255,255,0.9);
     border-color: rgba(255,255,255,0.9);
     color: var(--primary-dark);
     transform: translateY(-1px);
     }
    .btn--large {
     padding: 14px 28px;
     font-size: 16px;
     border-radius: var(--radius-md);
     }
    .nav-toggle {
     display: none;
     width: 40px;
     height: 40px;
     align-items: center;
     justify-content: center;
     font-size: 20px;
     color: var(--text);
     border-radius: var(--radius-sm);
     transition: var(--transition);
     }
    .nav-toggle:hover {
     background: var(--bg-alt);
     color: var(--primary);
     }
    .mobile-menu {
     display: none;
     background: #fff;
     border-bottom: 1px solid var(--border);
     padding: 16px 24px 20px;
     flex-direction: column;
     gap: 12px;
     position: absolute;
     top: 68px;
     left: 0;
     right: 0;
     z-index: 999;
     box-shadow: var(--shadow-md);
     }
    .mobile-menu.open {
     display: flex;
     }
    .mobile-menu .nav-cta {
     flex-direction: column;
     gap: 8px;
     }
    .mobile-menu .nav-cta .btn {
     width: 100%;
     }
    .mobile-menu a {
     font-size: 15px;
     font-weight: 500;
     color: var(--body);
     padding: 6px 0;
     border-bottom: 1px solid var(--border);
     }
    .mobile-menu a:last-child {
     border-bottom: none;
     }
    .breadcrumb-row {
     display: flex;
     align-items: center;
     gap: 8px;
     font-size: 13px;
     color: var(--muted);
     margin-bottom: 18px;
     flex-wrap: wrap;
     }
    .breadcrumb-row a {
     color: var(--muted);
     }
    .breadcrumb-row a:hover {
     color: var(--primary);
     }
    .breadcrumb-row .sep {
     font-size: 12px;
     color: #b6beb8;
     }
    .breadcrumb-row .current {
     color: var(--primary);
     font-weight: 600;
     }
    .cat-hero {
     background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 55%, #0D1B2A 100%);
     color: #fff;
     padding: 52px 0 56px;
     position: relative;
     overflow: hidden;
     }
    .cat-hero::before {
     content: "";
     position: absolute;
     top: -60%;
     right: -15%;
     width: 500px;
     height: 500px;
     background: radial-gradient(circle, rgba(242,163,60,0.25) 0%, transparent 70%);
     border-radius: 50%;
     pointer-events: none;
     }
    .cat-hero::after {
     content: "";
     position: absolute;
     bottom: -30%;
     left: -10%;
     width: 400px;
     height: 400px;
     background: radial-gradient(circle, rgba(11,110,61,0.6) 0%, transparent 70%);
     border-radius: 50%;
     pointer-events: none;
     }
    .cat-hero .container {
     position: relative;
     z-index: 1;
     }
    .cat-hero-top {
     display: flex;
     align-items: flex-start;
     justify-content: space-between;
     flex-wrap: wrap;
     gap: 24px;
     }
    .cat-hero-title-wrap {
     max-width: 680px;
     }
    .cat-hero h1 {
     font-size: 36px;
     font-weight: 700;
     letter-spacing: -0.02em;
     color: #fff;
     margin-bottom: 8px;
     line-height: 1.25;
     }
    .cat-hero-sub {
     font-size: 16px;
     color: rgba(255,255,255,0.82);
     max-width: 560px;
     line-height: 1.75;
     margin-bottom: 20px;
     }
    .cat-hero-badges {
     display: flex;
     gap: 12px;
     flex-wrap: wrap;
     }
    .cat-badge {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     background: rgba(255,255,255,0.14);
     border: 1px solid rgba(255,255,255,0.22);
     color: #fff;
     font-size: 13px;
     font-weight: 500;
     padding: 7px 14px;
     border-radius: 20px;
     backdrop-filter: blur(4px);
     }
    .cat-badge i {
     font-size: 12px;
     color: var(--accent-light);
     }
    .cat-hero-cta {
     display: flex;
     gap: 12px;
     align-items: center;
     flex-shrink: 0;
     }
    .card-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 24px;
     }
    .card {
     background: #fff;
     border: 1px solid var(--border);
     border-radius: var(--radius-lg);
     overflow: hidden;
     box-shadow: var(--shadow-sm);
     transition: var(--transition);
     display: flex;
     flex-direction: column;
     }
    .card:hover {
     transform: translateY(-3px);
     box-shadow: var(--shadow-md);
     border-color: var(--border-strong);
     }
    .card-img {
     width: 100%;
     aspect-ratio: 16 / 9;
     object-fit: cover;
     display: block;
     background: #e1e8e2;
     }
    .card-body {
     padding: 20px 22px 22px;
     display: flex;
     flex-direction: column;
     gap: 10px;
     flex: 1;
     }
    .card-tags {
     display: flex;
     gap: 8px;
     flex-wrap: wrap;
     }
    .card-tag {
     display: inline-block;
     font-size: 12px;
     font-weight: 600;
     color: var(--primary);
     background: rgba(11,110,61,0.08);
     padding: 3px 10px;
     border-radius: 20px;
     white-space: nowrap;
     }
    .card-tag--alt {
     background: rgba(242,163,60,0.12);
     color: #a86b13;
     }
    .card-title {
     font-size: 17px;
     font-weight: 700;
     color: var(--text);
     line-height: 1.45;
     margin: 0;
     }
    .card-title a {
     color: var(--text);
     }
    .card-title a:hover {
     color: var(--primary);
     }
    .card-summary {
     font-size: 14px;
     color: var(--muted);
     line-height: 1.7;
     flex: 1;
     }
    .card-meta {
     display: flex;
     align-items: center;
     gap: 14px;
     font-size: 12.5px;
     color: #919a93;
     padding-top: 6px;
     border-top: 1px solid var(--border);
     }
    .card-meta i {
     font-size: 11px;
     margin-right: 3px;
     }
    .list-2col {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 24px;
     }
    .card-h {
     display: flex;
     flex-direction: row;
     gap: 16px;
     background: #fff;
     border: 1px solid var(--border);
     border-radius: var(--radius-lg);
     overflow: hidden;
     box-shadow: var(--shadow-sm);
     transition: var(--transition);
     padding: 0;
     }
    .card-h:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow-md);
     border-color: var(--border-strong);
     }
    .card-h-img {
     width: 180px;
     min-height: 130px;
     flex-shrink: 0;
     background: #e1e8e2;
     }
    .card-h-img img {
     width: 100%;
     height: 100%;
     object-fit: cover;
     display: block;
     }
    .card-h-body {
     padding: 16px 18px 16px 0;
     display: flex;
     flex-direction: column;
     gap: 8px;
     flex: 1;
     }
    .card-h-body .card-title {
     font-size: 16px;
     }
    .card-h-body .card-summary {
     font-size: 13.5px;
     }
    .info-block {
     background: #fff;
     border: 1px solid var(--border);
     border-radius: var(--radius-lg);
     padding: 34px 36px;
     box-shadow: var(--shadow-sm);
     }
    .info-block p {
     font-size: 15px;
     line-height: 1.85;
     color: var(--body);
     margin-bottom: 12px;
     }
    .info-block p:last-child {
     margin-bottom: 0;
     }
    .dimension-grid {
     display: grid;
     grid-template-columns: repeat(4, 1fr);
     gap: 20px;
     }
    .dimension-item {
     background: #fff;
     border: 1px solid var(--border);
     border-radius: var(--radius-md);
     padding: 24px 20px;
     display: flex;
     flex-direction: column;
     gap: 10px;
     transition: var(--transition);
     }
    .dimension-item:hover {
     border-color: var(--border-strong);
     box-shadow: var(--shadow-sm);
     transform: translateY(-2px);
     }
    .dimension-icon {
     width: 42px;
     height: 42px;
     background: rgba(11,110,61,0.08);
     border-radius: var(--radius-md);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 18px;
     color: var(--primary);
     }
    .dimension-item h3 {
     font-size: 16px;
     font-weight: 700;
     color: var(--text);
     margin: 0;
     }
    .dimension-item p {
     font-size: 13.5px;
     color: var(--muted);
     line-height: 1.65;
     margin: 0;
     }
    .faq-list {
     display: flex;
     flex-direction: column;
     gap: 12px;
     }
    .faq-item {
     background: #fff;
     border: 1px solid var(--border);
     border-radius: var(--radius-md);
     overflow: hidden;
     transition: var(--transition);
     }
    .faq-item:hover {
     border-color: var(--border-strong);
     }
    .faq-question {
     display: flex;
     align-items: flex-start;
     gap: 12px;
     padding: 18px 20px;
     cursor: pointer;
     font-size: 15.5px;
     font-weight: 600;
     color: var(--text);
     transition: var(--transition);
     }
    .faq-question:hover {
     color: var(--primary);
     }
    .faq-num {
     font-size: 13px;
     font-weight: 700;
     color: var(--primary);
     flex-shrink: 0;
     width: 22px;
     height: 22px;
     background: rgba(11,110,61,0.08);
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     }
    .faq-arrow {
     margin-left: auto;
     font-size: 13px;
     color: #a1aba4;
     transition: transform 0.3s ease;
     flex-shrink: 0;
     }
    .faq-item.open .faq-arrow {
     transform: rotate(180deg);
     color: var(--primary);
     }
    .faq-answer {
     display: none;
     padding: 0 20px 20px 54px;
     font-size: 14px;
     color: var(--muted);
     line-height: 1.75;
     }
    .faq-item.open .faq-answer {
     display: block;
     }
    .faq-item.open {
     border-left: 3px solid var(--primary);
     }
    .tag-cloud {
     display: flex;
     flex-wrap: wrap;
     gap: 10px;
     }
    .tag-cloud a {
     display: inline-block;
     font-size: 13.5px;
     font-weight: 500;
     color: var(--body);
     background: #fff;
     border: 1px solid var(--border);
     padding: 8px 18px;
     border-radius: 24px;
     transition: var(--transition);
     }
    .tag-cloud a:hover {
     background: var(--primary);
     color: #fff;
     border-color: var(--primary);
     transform: translateY(-1px);
     }
    .cta-band {
     background: linear-gradient(135deg, #0F5A34 0%, #0B6E3D 100%);
     color: #fff;
     border-radius: var(--radius-xl);
     padding: 40px 44px;
     display: flex;
     align-items: center;
     justify-content: space-between;
     flex-wrap: wrap;
     gap: 20px;
     box-shadow: var(--shadow-md);
     }
    .cta-band h3 {
     font-size: 22px;
     font-weight: 700;
     color: #fff;
     margin-bottom: 6px;
     }
    .cta-band p {
     color: rgba(255,255,255,0.8);
     font-size: 14px;
     margin: 0;
     max-width: 480px;
     }
    .cta-band-actions {
     display: flex;
     gap: 10px;
     flex-wrap: wrap;
     }
    .site-footer {
     background: var(--footer-bg);
     color: rgba(255,255,255,0.75);
     padding: 56px 0 0;
     flex-shrink: 0;
     }
    .footer-grid {
     display: grid;
     grid-template-columns: 1.6fr 1fr 1fr 1fr;
     gap: 36px;
     padding-bottom: 40px;
     border-bottom: 1px solid rgba(255,255,255,0.08);
     }
    .footer-brand-text {
     font-size: 13.5px;
     line-height: 1.7;
     color: rgba(255,255,255,0.65);
     margin: 8px 0 16px;
     max-width: 280px;
     }
    .footer-newsletter {
     display: flex;
     gap: 8px;
     }
    .footer-newsletter input {
     flex: 1;
     padding: 9px 14px;
     border-radius: var(--radius-sm);
     border: 1px solid rgba(255,255,255,0.18);
     background: rgba(255,255,255,0.07);
     color: #fff;
     font-size: 13px;
     outline: none;
     transition: var(--transition);
     }
    .footer-newsletter input::placeholder {
     color: rgba(255,255,255,0.45);
     }
    .footer-newsletter input:focus {
     border-color: var(--accent);
     background: rgba(255,255,255,0.1);
     }
    .footer-col-title {
     font-size: 15px;
     font-weight: 700;
     color: #fff;
     margin-bottom: 16px;
     letter-spacing: 0.02em;
     }
    .footer-col-links li {
     margin-bottom: 9px;
     }
    .footer-col-links a {
     font-size: 13.5px;
     color: rgba(255,255,255,0.65);
     transition: var(--transition);
     }
    .footer-col-links a:hover {
     color: var(--accent);
     padding-left: 4px;
     }
    .footer-bottom {
     padding: 20px 0;
     background: rgba(0,0,0,0.2);
     }
    .footer-bottom-row {
     display: flex;
     align-items: center;
     justify-content: space-between;
     flex-wrap: wrap;
     gap: 10px;
     }
    .footer-bottom p {
     font-size: 12.5px;
     color: rgba(255,255,255,0.45);
     margin: 0;
     }
    .footer-bottom a {
     color: rgba(255,255,255,0.55);
     font-size: 12.5px;
     }
    .footer-bottom a:hover {
     color: var(--accent);
     }
    @media screen and (max-width: 1024px) {
     .card-grid {
     grid-template-columns: repeat(2, 1fr);
     }
     .dimension-grid {
     grid-template-columns: repeat(2, 1fr);
     }
     .footer-grid {
     grid-template-columns: 1fr 1fr;
     }
     .cat-hero h1 {
     font-size: 30px;
     }
     .section-title {
     font-size: 24px;
     }
     .section-title--large {
     font-size: 27px;
     }
     .info-block {
     padding: 26px 24px;
     }
     .cta-band {
     padding: 32px 28px;
     }
    }
    @media screen and (max-width: 768px) {
     .nav-links {
     display: none;
     }
     .nav-cta {
     display: none;
     }
     .nav-toggle {
     display: flex;
     }
     .mobile-menu .nav-cta {
     display: flex;
     }
     .cat-hero {
     padding: 36px 0 40px;
     }
     .cat-hero h1 {
     font-size: 26px;
     }
     .cat-hero-sub {
     font-size: 14.5px;
     }
     .cat-hero-top {
     flex-direction: column;
     }
     .cat-hero-cta {
     width: 100%;
     }
     .cat-hero-cta .btn {
     flex: 1;
     }
     .card-grid {
     grid-template-columns: 1fr;
     }
     .list-2col {
     grid-template-columns: 1fr;
     }
     .dimension-grid {
     grid-template-columns: 1fr;
     }
     .card-h {
     flex-direction: column;
     }
     .card-h-img {
     width: 100%;
     min-height: 160px;
     }
     .card-h-body {
     padding: 16px 18px 18px;
     }
     .section {
     padding: 40px 0;
     }
     .section-header--row {
     flex-direction: column;
     align-items: flex-start;
     gap: 10px;
     }
     .footer-grid {
     grid-template-columns: 1fr;
     gap: 24px;
     padding-bottom: 28px;
     }
     .footer-bottom-row {
     flex-direction: column;
     align-items: flex-start;
     }
     .cta-band {
     flex-direction: column;
     align-items: flex-start;
     }
     .cta-band-actions .btn {
     width: 100%;
     }
    }
    @media screen and (max-width: 520px) {
     .container {
     padding: 0 16px;
     }
     .nav-container {
     height: 60px;
     }
     .mobile-menu {
     top: 60px;
     }
     .site-header {
     position: sticky;
     top: 0;
     }
     .cat-hero h1 {
     font-size: 24px;
     }
     .section {
     padding: 32px 0;
     }
     .info-block {
     padding: 20px 18px;
     }
     .cta-band {
     padding: 24px 20px;
     }
     .faq-question {
     padding: 16px 16px;
     font-size: 14.5px;
     }
     .faq-answer {
     padding: 0 16px 16px 40px;
     font-size: 13.5px;
     }
     .btn--large {
     padding: 12px 20px;
     font-size: 15px;
     }
     .section-title {
     font-size: 22px;
     }
     .section-title--large {
     font-size: 24px;
     }
    }

/* roulang page: category5 */
:root {
            --primary: #0B6E3D;
            --primary-dark: #0F5A34;
            --deep-bg: #0D1B2A;
            --deep-bg-alt: #0F1512;
            --accent: #F2A33C;
            --accent-light: #D7FF3F;
            --bg: #F5F7F4;
            --bg-alt: #F8FAF8;
            --text: #101510;
            --body: #333B34;
            --muted: #6C756E;
            --footer-bg: #14241B;
            --border: rgba(0,0,0,0.06);
            --border-strong: rgba(11,110,61,0.18);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
            --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
            --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1180px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

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

        .section--deep {
            background-color: var(--deep-bg);
            color: #e8f0e9;
        }

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

        .section--deep p {
            color: rgba(232,240,233,0.78);
        }

        .section--green {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
            color: #fff;
        }

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

        .section--green p {
            color: rgba(255,255,255,0.85);
        }

        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-header--row {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .section-tag--light {
            color: rgba(255,255,255,0.85);
        }

        .section-tag--light::before {
            background: var(--accent-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-title--large {
            font-size: 32px;
        }

        .section-title--light {
            color: #fff;
        }

        .section-lead {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .section-lead--light {
            color: rgba(255,255,255,0.8);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }

        .nav-logo-mark::after {
            content: "";
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }

        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .nav-links li a {
            font-size: 14.5px;
            font-weight: 500;
            color: #3A443C;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-links li a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            border-radius: 1px;
        }

        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }

        .nav-links li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn--primary {
            background: var(--accent);
            color: #1a1208;
            border-color: var(--accent);
        }

        .btn--primary:hover {
            background: #e08f2b;
            border-color: #e08f2b;
            color: #1a1208;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn--ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }

        .btn--ghost:hover {
            background: rgba(11,110,61,0.05);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn--sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn--lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

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

        .btn--white:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--text);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            list-style: none;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: #B0B8B2;
            font-size: 12px;
        }

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

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

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

        /* Category Hero */
        .category-hero {
            padding: 44px 0 32px;
            background: linear-gradient(180deg, #F0F5F0 0%, #F5F7F4 100%);
            border-bottom: 1px solid var(--border);
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            margin: 0 0 10px;
            line-height: 1.25;
        }

        .category-hero .category-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 760px;
            line-height: 1.7;
            margin: 0;
        }

        /* Category Cards Grid */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

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

        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .article-card__img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8eee9;
        }

        .article-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .article-card__tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(255,255,255,0.92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            border: 1px solid var(--border-strong);
        }

        .article-card__body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .article-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }

        .article-card__title a {
            color: var(--text);
        }

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

        .article-card__excerpt {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .article-card__meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: #9AA39C;
            padding-top: 6px;
            border-top: 1px solid var(--border);
        }

        .article-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* List Header Actions */
        .list-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            margin-top: 20px;
        }

        /* Filter chips */
        .filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--body);
            transition: var(--transition);
            cursor: default;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-chip--active {
            background: rgba(11,110,61,0.08);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        /* Intro block */
        .intro-block {
            background: #fff;
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
        }

        .intro-block p {
            margin: 0;
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
        }

        /* Hot recommendations */
        .hot-rec-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .hot-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px;
            display: flex;
            gap: 12px;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .hot-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }

        .hot-card__img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #e8eee9;
        }

        .hot-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-card__info {
            flex: 1;
            min-width: 0;
        }

        .hot-card__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.35;
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-card__meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Dimension list */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .dimension-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 7px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .dimension-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .dimension-item__icon {
            width: 40px;
            height: 40px;
            background: rgba(11,110,61,0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 4px;
        }

        .dimension-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.3;
        }

        .dimension-item p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 24px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            gap: 12px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

        .faq-item__question:hover {
            color: var(--primary);
        }

        .faq-item__question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(11,110,61,0.08);
            color: var(--primary);
            font-size: 12px;
            transition: var(--transition);
        }

        .faq-item__question[aria-expanded="true"] .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item__answer {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }

        .faq-item__answer.is-visible {
            display: block;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13.5px;
            font-weight: 500;
            padding: 9px 18px;
            border-radius: 6px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--body);
            transition: var(--transition);
        }

        .tag-cloud a:hover {
            background: rgba(11,110,61,0.06);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        /* Newsletter CTA */
        .newsletter-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            box-shadow: var(--shadow-sm);
        }

        .newsletter-box h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .newsletter-box p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 6px;
            line-height: 1.7;
        }

        .newsletter-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .newsletter-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--bg-alt);
            transition: var(--transition);
            outline: none;
        }

        .newsletter-form input[type="email"]:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(11,110,61,0.1);
        }

        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(232,240,233,0.78);
            padding: 52px 0 24px;
            font-size: 14px;
        }

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

        .footer-brand-text {
            font-size: 13.5px;
            line-height: 1.7;
            margin: 10px 0 16px;
            color: rgba(232,240,233,0.65);
            max-width: 320px;
        }

        .footer-newsletter {
            display: flex;
            gap: 8px;
            max-width: 320px;
        }

        .footer-newsletter input[type="email"] {
            flex: 1;
            min-width: 0;
            padding: 8px 12px;
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: var(--transition);
        }

        .footer-newsletter input[type="email"]::placeholder {
            color: rgba(255,255,255,0.45);
        }

        .footer-newsletter input[type="email"]:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.12);
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col-links a {
            color: rgba(232,240,233,0.68);
            font-size: 13.5px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 12.5px;
            color: rgba(232,240,233,0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links.is-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 24px;
                gap: 10px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
                align-items: flex-start;
            }
            .nav-links.is-open li a {
                font-size: 15px;
                padding: 6px 0;
                display: block;
                width: 100%;
            }
            .nav-cta.is-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(68px + 240px);
                left: 0;
                right: 0;
                background: #fff;
                padding: 12px 24px 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-cta.is-open .btn {
                width: 100%;
                justify-content: center;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .category-subtitle {
                font-size: 14px;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .hot-rec-grid {
                grid-template-columns: 1fr;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .newsletter-box {
                padding: 20px 18px;
            }
            .newsletter-form {
                flex-direction: column;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 32px 0 24px;
            }
            .article-card__body {
                padding: 14px 14px 16px;
            }
            .article-card__title {
                font-size: 15.5px;
            }
            .btn--lg {
                padding: 12px 20px;
                font-size: 14px;
            }
            .filter-chips {
                gap: 6px;
            }
            .filter-chip {
                font-size: 12px;
                padding: 5px 10px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0B6E3D;
            --primary-dark: #0F5A34;
            --deep-bg: #0D1B2A;
            --deep-bg-alt: #0F1512;
            --accent: #F2A33C;
            --accent-light: #D7FF3F;
            --bg: #F5F7F4;
            --bg-alt: #F8FAF8;
            --text: #101510;
            --body: #333B34;
            --muted: #6C756E;
            --footer-bg: #14241B;
            --border: rgba(0,0,0,0.06);
            --border-strong: rgba(11,110,61,0.18);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.12);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", system-ui, sans-serif;
            --font-cond: "Roboto Condensed", "Impact", "Arial Narrow", sans-serif;
            --transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1180px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 56px 0;
            position: relative;
        }
        .section--alt {
            background-color: var(--bg-alt);
        }
        .section--deep {
            background-color: var(--deep-bg);
            color: #e8f0e9;
        }
        .section--deep h2,
        .section--deep h3 {
            color: #fff;
        }
        .section--deep p {
            color: rgba(232,240,233,0.78);
        }
        .section--green {
            background: linear-gradient(135deg, #0B6E3D 0%, #0F5A34 100%);
            color: #fff;
        }
        .section--green h2,
        .section--green h3 {
            color: #fff;
        }
        .section--green p {
            color: rgba(255,255,255,0.85);
        }
        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .section-header--row {
            flex-direction: row;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .section-tag::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .section-tag--light {
            color: rgba(255,255,255,0.85);
        }
        .section-tag--light::before {
            background: var(--accent-light);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .section-title--large {
            font-size: 32px;
        }
        .section-title--light {
            color: #fff;
        }
        .section-lead {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-lead--light {
            color: rgba(255,255,255,0.8);
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }
        .nav-logo-mark::after {
            content: "";
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
        }
        .nav-logo-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s ease;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            padding: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            color: var(--primary);
        }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn--sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 15px;
        }
        .btn--primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(11,110,61,0.25);
        }
        .btn--accent {
            background: var(--accent);
            color: #101510;
            border-color: var(--accent);
        }
        .btn--accent:hover {
            background: #e09020;
            border-color: #e09020;
            color: #101510;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(242,163,60,0.3);
        }
        .btn--ghost {
            background: transparent;
            color: var(--primary);
            border-color: rgba(11,110,61,0.3);
        }
        .btn--ghost:hover {
            background: rgba(11,110,61,0.06);
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn--ghost-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.4);
        }
        .btn--ghost-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn:focus,
        .btn:active {
            outline: none;
            box-shadow: 0 0 0 3px rgba(11,110,61,0.25);
        }
        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            list-style: none;
            margin: 0 0 8px;
            padding: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: rgba(0,0,0,0.2);
            font-size: 12px;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* Category Page Header */
        .cat-header {
            padding: 48px 0 40px;
            background: linear-gradient(160deg, #F5F7F4 0%, #EAF3ED 100%);
            border-bottom: 1px solid var(--border);
        }
        .cat-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            margin: 0 0 12px;
            line-height: 1.25;
        }
        .cat-header p {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            margin: 0;
            line-height: 1.8;
        }
        .cat-header .cat-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .cat-header .cat-stat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
        }
        .cat-header .cat-stat i {
            color: var(--primary);
        }
        /* Article Card */
        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .article-card__img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }
        .article-card__body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .article-card__tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 2px;
        }
        .article-card__tag {
            display: inline-block;
            padding: 2px 10px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(11,110,61,0.08);
            color: var(--primary);
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .article-card__title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text);
            margin: 0;
            transition: var(--transition);
        }
        .article-card__title:hover {
            color: var(--primary);
        }
        .article-card__excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }
        .article-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
            padding-top: 10px;
            border-top: 1px solid var(--border);
            margin-top: 6px;
        }
        /* Horizontal mini card */
        .mini-card {
            display: flex;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: center;
        }
        .mini-card:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .mini-card__img {
            width: 96px;
            height: 64px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .mini-card__body {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }
        .mini-card__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .mini-card__meta {
            font-size: 12px;
            color: var(--muted);
        }
        /* Dimension items */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }
        .dimension-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .dimension-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .dimension-item__icon {
            width: 40px;
            height: 40px;
            background: rgba(11,110,61,0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }
        .dimension-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }
        .dimension-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }
        /* FAQ */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item__q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }
        .faq-item__q:hover {
            color: var(--primary);
        }
        .faq-item__q .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(11,110,61,0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: var(--transition);
        }
        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .faq-item.open {
            border-left: 3px solid var(--primary);
        }
        .faq-item.open .faq-item__q {
            color: var(--primary);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item.open .faq-item__a {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 30px;
            color: var(--body);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(11,110,61,0.2);
        }
        /* Newsletter CTA */
        .newsletter-cta {
            background: linear-gradient(135deg, var(--deep-bg) 0%, var(--deep-bg-alt) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .newsletter-cta h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .newsletter-cta p {
            color: rgba(232,240,233,0.75);
            margin: 0;
            font-size: 14px;
        }
        .newsletter-cta__form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .newsletter-cta__form input {
            min-width: 260px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .newsletter-cta__form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .newsletter-cta__form input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.12);
        }
        /* Footer */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(232,240,233,0.75);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand-text {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(232,240,233,0.7);
            margin: 14px 0 20px;
            max-width: 320px;
        }
        .footer-newsletter {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-newsletter input {
            flex: 1;
            min-width: 180px;
            padding: 10px 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: 13px;
            outline: none;
            transition: var(--transition);
        }
        .footer-newsletter input::placeholder {
            color: rgba(255,255,255,0.45);
        }
        .footer-newsletter input:focus {
            border-color: var(--accent);
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col-links a {
            font-size: 13px;
            color: rgba(232,240,233,0.65);
            transition: var(--transition);
        }
        .footer-col-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(232,240,233,0.5);
        }
        .footer-bottom a {
            color: rgba(232,240,233,0.5);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                display: block;
                padding: 10px 0;
                font-size: 15px;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .cat-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-title--large {
                font-size: 26px;
            }
            .section {
                padding: 40px 0;
            }
            .cat-header {
                padding: 32px 0 28px;
            }
            .dimension-grid {
                grid-template-columns: 1fr 1fr;
            }
            .newsletter-cta {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .newsletter-cta__form {
                width: 100%;
            }
            .newsletter-cta__form input {
                min-width: auto;
                flex: 1;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cat-header h1 {
                font-size: 24px;
            }
            .dimension-grid {
                grid-template-columns: 1fr;
            }
            .article-card__body {
                padding: 16px;
            }
            .article-card__title {
                font-size: 16px;
            }
            .section-header--row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }