/* roulang page: index */
:root {
            --green-900: #0f3d2e;
            --green-800: #1a4d3a;
            --green-700: #1e5c46;
            --green-100: #e6f0eb;
            --ivory: #f7f4ed;
            --ivory-light: #fdfbf7;
            --gold: #c9a86a;
            --gold-dark: #b8925a;
            --gold-light: #dcc195;
            --charcoal: #2b2b2b;
            --gray-light: #e8e5df;
            --gray-mid: #8a867e;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-hover: 0 10px 32px rgba(0,0,0,0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
        }
        *,
        *::before,
        *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--charcoal);
            background-color: var(--ivory);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; transition: var(--transition); }
        a:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button:focus, input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 1px; }

        .container { max-width: 1200px; }
        .container-narrow { max-width: 960px; }

        /* Section base */
        .section { padding: var(--spacing-section) 0; }
        .section-alt { background-color: var(--gray-light); }
        .section-dark { background-color: var(--green-900); color: var(--ivory); }
        .section-ivory { background-color: var(--ivory); }
        .section-cream { background-color: var(--ivory-light); }
        .section-gold-accent {
            border-top: 2px solid var(--gold-dark);
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-dark .section-title { color: var(--ivory); }
        .section-sub {
            font-size: 1rem;
            color: var(--gray-mid);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-dark .section-sub { color: rgba(247, 244, 237, 0.75); }
        .gold-text { color: var(--gold-dark); }
        .fw-bold { font-weight: 700; }

        /* Header / Nav */
        .site-header {
            background-color: var(--green-900);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .site-navbar {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 64px;
            padding: 8px 16px;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--ivory);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .navbar-brand:hover { color: var(--gold-light); }
        .navbar-brand small {
            display: block;
            font-size: 0.65rem;
            font-weight: 400;
            color: rgba(247, 244, 237, 0.6);
            letter-spacing: 0.06em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-item { position: relative; }
        .nav-link {
            color: rgba(247, 244, 237, 0.9);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 18px 14px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .nav-link:hover,
        .nav-item:hover .nav-link,
        .nav-link.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold);
        }
        .dropdown-panel {
            display: none;
            position: absolute;
            top: calc(100% + 4px);
            left: 50%;
            transform: translateX(-50%);
            min-width: 220px;
            background-color: var(--ivory);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            box-shadow: var(--shadow-lg);
            padding: 8px 0;
            z-index: 1100;
        }
        .nav-item:hover .dropdown-panel,
        .nav-item:focus-within .dropdown-panel { display: block; }
        .dropdown-panel a {
            display: block;
            color: var(--charcoal);
            font-size: 0.88rem;
            padding: 9px 18px;
            font-weight: 400;
        }
        .dropdown-panel a:hover {
            background-color: var(--green-100);
            color: var(--green-900);
        }
        .navbar-toggler {
            background: transparent;
            border: 1px solid rgba(247, 244, 237, 0.35);
            border-radius: var(--radius-sm);
            color: var(--ivory);
            font-size: 1.2rem;
            padding: 6px 12px;
            cursor: pointer;
            display: none;
        }
        .navbar-toggler:hover { border-color: var(--gold); }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--green-900);
            width: 100%;
            padding: 0 16px 16px;
            border-top: 1px solid rgba(247, 244, 237, 0.15);
        }
        .mobile-nav a {
            color: rgba(247, 244, 237, 0.9);
            padding: 12px 0;
            border-bottom: 1px solid rgba(247, 244, 237, 0.1);
            font-size: 0.95rem;
        }
        .mobile-nav a:hover { color: var(--gold-light); }
        .mobile-nav .sub-links { padding-left: 16px; }
        .mobile-nav .sub-links a { font-size: 0.85rem; opacity: 0.8; }

        /* Heroes */
        .hero-brand {
            position: relative;
            background-color: var(--green-900);
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-brand-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.38;
            z-index: 0;
        }
        .hero-brand-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,61,46,0.72) 0%, rgba(15,61,46,0.9) 100%);
            z-index: 1;
        }
        .hero-brand-content {
            position: relative;
            z-index: 2;
            padding: 88px 0;
        }
        .hero-series-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .hero-series-nav a,
        .hero-series-nav span {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 30px;
            background: rgba(247, 244, 237, 0.12);
            border: 1px solid rgba(247, 244, 237, 0.22);
            color: var(--ivory);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-series-nav a:hover,
        .hero-series-nav span:hover {
            background: rgba(201, 168, 106, 0.4);
            border-color: var(--gold);
            color: var(--gold-light);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--ivory);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: rgba(247, 244, 237, 0.82);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .btn-primary-gold {
            background-color: var(--gold-dark);
            color: #1f1f1f;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 12px rgba(184, 146, 90, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-gold:hover {
            background-color: var(--gold);
            color: #1f1f1f;
            box-shadow: 0 6px 20px rgba(184, 146, 90, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline-ivory {
            background: transparent;
            color: var(--ivory);
            border: 1px solid rgba(247, 244, 237, 0.55);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-ivory:hover {
            background-color: var(--ivory);
            color: var(--green-900);
            border-color: var(--ivory);
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
        }
        .hero-stat-item {
            color: var(--ivory);
        }
        .hero-stat-item .stat-number {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--gold-light);
            display: block;
        }
        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(247, 244, 237, 0.7);
            letter-spacing: 0.05em;
        }

        /* Buttons */
        .btn {
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .btn:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
        .btn-green {
            background-color: var(--green-800);
            color: var(--ivory);
            border: none;
        }
        .btn-green:hover {
            background-color: var(--gold-dark);
            color: #1f1f1f;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-green:active {
            background-color: var(--green-900);
            transform: translateY(0);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--green-800);
            border: 1px solid var(--green-800);
        }
        .btn-outline-green:hover {
            background-color: var(--green-100);
            color: var(--green-900);
            border-color: var(--green-800);
        }
        .btn-sm { padding: 7px 16px; font-size: 0.82rem; }
        .btn-lg { padding: 14px 32px; font-size: 1rem; }

        /* Cards */
        .card {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            border: 1px solid var(--gray-light);
            background: var(--ivory-light);
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--gold-dark);
        }
        .card-img-wrapper {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--green-900);
        }
        .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .card:hover .card-img-wrapper img { transform: scale(1.04); }
        .card-body { padding: 18px 20px; }
        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.88rem;
            color: var(--gray-mid);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .card-meta {
            font-size: 0.78rem;
            color: var(--gray-mid);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        /* Badge */
        .badge-gold {
            background-color: var(--gold);
            color: #1f1f1f;
            font-weight: 600;
            font-size: 0.72rem;
            letter-spacing: 0.05em;
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
        }
        .badge-green {
            background-color: var(--green-100);
            color: var(--green-900);
            font-weight: 500;
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
        }

        /* Tag cloud */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
        .tag-cloud a,
        .tag-cloud span {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 30px;
            background: var(--ivory-light);
            border: 1px solid var(--gray-light);
            color: var(--green-800);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--green-100);
            border-color: var(--green-800);
            color: var(--green-900);
        }

        /* Tables / Price cards */
        .pricing-card {
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            background: var(--ivory-light);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        .pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
        .pricing-card.featured {
            border: 2px solid var(--gold-dark);
            box-shadow: 0 6px 24px rgba(184, 146, 90, 0.25);
        }
        .pricing-card .featured-badge {
            position: absolute;
            top: -12px;
            right: 18px;
            background: var(--gold-dark);
            color: #1f1f1f;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .pricing-price {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--green-900);
            margin: 12px 0 8px;
        }
        .pricing-price small { font-size: 0.9rem; font-weight: 400; color: var(--gray-mid); }
        .pricing-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--charcoal);
            letter-spacing: 0.03em;
        }
        .pricing-features { list-style: none; margin: 18px 0 0; padding: 0; }
        .pricing-features li {
            padding: 7px 0;
            font-size: 0.88rem;
            color: var(--charcoal);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--gray-light);
        }
        .pricing-features li:last-child { border-bottom: none; }
        .pricing-features i { color: var(--gold-dark); margin-top: 3px; font-size: 0.8rem; }

        /* FAQ */
        .faq-item {
            background: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover { border-color: var(--gold-dark); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 16px 22px;
            font-weight: 600;
            color: var(--green-900);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            background: var(--ivory-light);
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i { color: var(--gold-dark); font-size: 0.85rem; transition: var(--transition); }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--gray-mid);
            font-size: 0.88rem;
            line-height: 1.8;
        }

        /* CTA banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--green-900) 0%, var(--green-800) 55%, #2e6e56 100%);
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            color: var(--ivory);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: rgba(201, 168, 106, 0.18);
            border-radius: 50%;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            left: -40px;
            bottom: -40px;
            width: 160px;
            height: 160px;
            background: rgba(201, 168, 106, 0.12);
            border-radius: 50%;
        }
        .cta-banner h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--ivory);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: rgba(247, 244, 237, 0.78);
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn { position: relative; z-index: 1; }

        /* Stats band */
        .stats-band {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 24px;
            background: var(--ivory-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-light);
        }
        .stats-band-item { text-align: center; min-width: 140px; flex: 1; }
        .stats-band-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold-dark);
            display: block;
            line-height: 1.2;
        }
        .stats-band-item .stat-lbl {
            font-size: 0.85rem;
            color: var(--gray-mid);
            letter-spacing: 0.04em;
            margin-top: 4px;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }
        .testimonial-card:hover { box-shadow: var(--shadow-md); }
        .testimonial-stars { color: var(--gold-dark); font-size: 0.85rem; margin-bottom: 10px; }
        .testimonial-text {
            font-size: 0.9rem;
            color: var(--charcoal);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .testimonial-author {
            font-weight: 600;
            color: var(--green-900);
            font-size: 0.85rem;
        }
        .testimonial-meta { font-size: 0.78rem; color: var(--gray-mid); }

        /* Reputation wall */
        .reputation-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .reputation-item {
            background: var(--ivory-light);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            border-left: 3px solid var(--gold);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            min-height: 120px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .reputation-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .reputation-item .rep-stars { color: var(--gold-dark); font-size: 0.78rem; margin-bottom: 6px; }
        .reputation-item .rep-text { font-size: 0.85rem; color: var(--charcoal); line-height: 1.6; }
        .reputation-item .rep-author { font-size: 0.75rem; color: var(--gray-mid); margin-top: 8px; }

        /* Info list / safety */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .safety-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(247, 244, 237, 0.08);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(247, 244, 237, 0.15);
            transition: var(--transition);
        }
        .safety-item:hover { background: rgba(247, 244, 237, 0.14); border-color: var(--gold); }
        .safety-item i {
            font-size: 1.5rem;
            color: var(--gold-light);
            margin-bottom: 10px;
            display: block;
        }
        .safety-item .safety-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ivory);
            margin-bottom: 6px;
        }
        .safety-item .safety-text {
            font-size: 0.8rem;
            color: rgba(247, 244, 237, 0.7);
            line-height: 1.6;
        }

        /* Feature cards */
        .feature-card {
            background: var(--ivory-light);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            border: 1px solid var(--gray-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--gold-dark);
        }
        .feature-card i {
            font-size: 1.6rem;
            color: var(--gold-dark);
            margin-bottom: 14px;
            display: block;
        }
        .feature-card .feat-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 8px;
        }
        .feature-card .feat-text {
            font-size: 0.88rem;
            color: var(--gray-mid);
            line-height: 1.7;
        }

        /* Scroll bar */
        .scroll-horizontal {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 4px 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .scroll-horizontal > * { scroll-snap-align: start; flex: 0 0 auto; }
        .scroll-horizontal::-webkit-scrollbar { height: 6px; }
        .scroll-horizontal::-webkit-scrollbar-track { background: var(--gray-light); border-radius: 3px; }
        .scroll-horizontal::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

        /* Screenshot stage */
        .shot-stage {
            background: var(--green-900);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            overflow: hidden;
            position: relative;
        }
        .shot-stage::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 200px;
            height: 200px;
            background: rgba(201, 168, 106, 0.15);
            border-radius: 50%;
        }
        .shot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .shot-item {
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--green-800);
            aspect-ratio: 16/9;
            position: relative;
            transition: var(--transition);
        }
        .shot-item:hover { transform: scale(1.02); }
        .shot-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }
        .shot-item .shot-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px;
            background: rgba(15, 61, 46, 0.75);
            color: var(--ivory);
            font-size: 0.78rem;
            font-weight: 500;
            text-align: center;
        }

        /* Steps */
        .steps-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 20px 16px;
            background: var(--ivory-light);
            border-radius: var(--radius-sm);
            border: 1px solid var(--gray-light);
            transition: var(--transition);
        }
        .step-item:hover { border-color: var(--gold-dark); box-shadow: var(--shadow-md); }
        .step-number {
            display: inline-block;
            width: 36px;
            height: 36px;
            line-height: 36px;
            border-radius: 50%;
            background: var(--green-800);
            color: var(--ivory);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-title { font-weight: 600; color: var(--green-900); font-size: 0.95rem; margin-bottom: 4px; }
        .step-desc { font-size: 0.82rem; color: var(--gray-mid); line-height: 1.6; }

        /* Newsletter */
        .newsletter-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 520px;
        }
        .newsletter-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 20px;
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-sm);
            background: var(--ivory-light);
            color: var(--charcoal);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .newsletter-form input[type="email"]:focus {
            border-color: var(--gold-dark);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.2);
        }

        /* Footer */
        .site-footer {
            background-color: var(--green-900);
            color: rgba(247, 244, 237, 0.8);
            padding: 56px 0 24px;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ivory);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .footer-brand small {
            display: block;
            font-size: 0.7rem;
            font-weight: 400;
            color: rgba(247, 244, 237, 0.5);
            margin-top: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            color: rgba(247, 244, 237, 0.65);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--gold-light); }
        .footer-section-title {
            font-weight: 700;
            color: var(--ivory);
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-bottom {
            border-top: 1px solid rgba(247, 244, 237, 0.15);
            margin-top: 40px;
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(247, 244, 237, 0.5);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .hero-title { font-size: 2.2rem; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.6rem; }
            .reputation-wall { grid-template-columns: repeat(2, 1fr); }
            .safety-grid { grid-template-columns: repeat(2, 1fr); }
            .shot-grid { grid-template-columns: repeat(2, 1fr); }
            .nav-menu { display: none; }
            .navbar-toggler { display: block; }
            .mobile-nav.active { display: flex; }
            .site-navbar { flex-wrap: wrap; }
        }
        @media (max-width: 575px) {
            .hero-title { font-size: 1.7rem; }
            .hero-sub { font-size: 0.92rem; }
            .hero-brand { min-height: 480px; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.4rem; }
            .reputation-wall { grid-template-columns: 1fr; }
            .safety-grid { grid-template-columns: 1fr; }
            .shot-grid { grid-template-columns: 1fr; }
            .stats-band { flex-direction: column; gap: 14px; padding: 20px; }
            .stats-band-item { min-width: 100%; }
            .cta-banner { padding: 32px 20px; }
            .cta-banner h3 { font-size: 1.3rem; }
            .hero-stat-row { gap: 20px; }
            .hero-stat-item .stat-number { font-size: 1.3rem; }
            .newsletter-form input[type="email"] { min-width: 100%; }
            .hero-btn-group .btn { width: 100%; justify-content: center; }
            .dropdown-panel { display: none !important; }
        }

/* roulang page: article */
:root {
            --green-900: #0f3d2e;
            --green-800: #1a4d3a;
            --green-700: #1e5c46;
            --green-100: #e6f0eb;
            --ivory: #f7f4ed;
            --ivory-light: #fdfbf7;
            --gold: #c9a86a;
            --gold-dark: #b8925a;
            --gold-light: #dcc195;
            --charcoal: #2b2b2b;
            --gray-light: #e8e5df;
            --gray-mid: #8a867e;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 10px 32px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--charcoal);
            background-color: var(--ivory);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold);
            outline-offset: 1px;
        }
        .container {
            max-width: 1200px;
        }
        .container-narrow {
            max-width: 960px;
        }

        /* Section base */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background-color: var(--gray-light);
        }
        .section-dark {
            background-color: var(--green-900);
            color: var(--ivory);
        }
        .section-ivory {
            background-color: var(--ivory);
        }
        .section-cream {
            background-color: var(--ivory-light);
        }
        .section-gold-accent {
            border-top: 2px solid var(--gold-dark);
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-dark .section-title {
            color: var(--ivory);
        }
        .section-sub {
            font-size: 1rem;
            color: var(--gray-mid);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-dark .section-sub {
            color: rgba(247, 244, 237, 0.75);
        }

        /* Header / Nav */
        .site-header {
            background-color: var(--green-900);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .site-navbar {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 64px;
            padding: 8px 16px;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--ivory);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .navbar-brand:hover {
            color: var(--gold-light);
        }
        .navbar-brand small {
            display: block;
            font-size: 0.65rem;
            font-weight: 400;
            color: rgba(247, 244, 237, 0.6);
            letter-spacing: 0.06em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            color: rgba(247, 244, 237, 0.9);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 18px 14px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .nav-link:hover,
        .nav-item:hover .nav-link,
        .nav-link.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold);
        }
        .dropdown-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 200px;
            background-color: var(--ivory);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            box-shadow: var(--shadow-md);
            padding: 6px 0;
        }
        .nav-item:hover .dropdown-panel,
        .nav-item:focus-within .dropdown-panel {
            display: block;
        }
        .dropdown-panel a {
            display: block;
            color: var(--charcoal);
            font-size: 0.88rem;
            padding: 9px 18px;
            font-weight: 400;
        }
        .dropdown-panel a:hover {
            background-color: var(--green-100);
            color: var(--green-900);
        }
        .navbar-toggler {
            background: transparent;
            border: 1px solid rgba(247, 244, 237, 0.35);
            border-radius: var(--radius-sm);
            color: var(--ivory);
            font-size: 1.2rem;
            padding: 6px 12px;
            cursor: pointer;
            display: none;
        }
        .navbar-toggler:hover {
            border-color: var(--gold);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--green-900);
            width: 100%;
            padding: 0 16px 16px;
            border-top: 1px solid rgba(247, 244, 237, 0.15);
        }
        .mobile-nav a {
            color: rgba(247, 244, 237, 0.9);
            padding: 12px 0;
            border-bottom: 1px solid rgba(247, 244, 237, 0.1);
            font-size: 0.95rem;
        }
        .mobile-nav a:hover {
            color: var(--gold-light);
        }
        .mobile-nav .sub-links {
            padding-left: 16px;
        }
        .mobile-nav .sub-links a {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* Buttons */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: var(--transition);
            padding: 10px 22px;
            border: none;
        }
        .btn-primary-green {
            background-color: var(--green-800);
            color: #fff;
            border: none;
        }
        .btn-primary-green:hover,
        .btn-primary-green:focus {
            background-color: var(--gold);
            color: var(--charcoal);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--green-800);
            border: 1px solid var(--green-800);
        }
        .btn-outline-green:hover {
            background-color: var(--green-100);
        }
        .btn-primary-gold {
            background-color: var(--gold);
            color: var(--charcoal);
            border: none;
        }
        .btn-primary-gold:hover {
            background-color: var(--gold-dark);
            color: #fff;
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 0.82rem;
        }

        /* Cards */
        .card-custom {
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--gold-light);
        }
        .card-custom .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .card-custom .card-body {
            padding: 18px;
        }
        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-custom .card-text {
            font-size: 0.9rem;
            color: var(--gray-mid);
            line-height: 1.6;
        }
        .card-custom .card-meta {
            font-size: 0.8rem;
            color: var(--gray-mid);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        /* Article specific */
        .article-breadcrumb {
            background-color: var(--ivory-light);
            border-bottom: 1px solid var(--gray-light);
            padding: 14px 0;
        }
        .breadcrumb {
            margin: 0;
            background: transparent;
            font-size: 0.9rem;
        }
        .breadcrumb-item a {
            color: var(--green-800);
        }
        .breadcrumb-item a:hover {
            color: var(--gold-dark);
        }
        .breadcrumb-item.active {
            color: var(--gray-mid);
        }
        .breadcrumb-item+.breadcrumb-item::before {
            color: var(--gray-mid);
        }

        .article-header {
            background-color: var(--ivory);
            padding: 36px 0 20px;
            border-bottom: 1px solid var(--gray-light);
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--green-900);
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--gray-mid);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--gold-dark);
        }

        .article-body {
            padding: 40px 0 60px;
        }
        .article-content {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--charcoal);
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--green-900);
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }
        .article-content blockquote {
            border-left: 4px solid var(--gold);
            background-color: var(--green-100);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--green-900);
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }

        .article-sidebar {
            position: sticky;
            top: 90px;
        }
        .sidebar-widget {
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-widget h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 12px;
            border-left: 3px solid var(--gold-dark);
            padding-left: 10px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            background-color: var(--green-100);
            color: var(--green-800);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .tag-cloud a:hover {
            background-color: var(--gold);
            color: var(--charcoal);
        }
        .share-icons {
            display: flex;
            gap: 10px;
            font-size: 1.3rem;
            color: var(--green-800);
        }
        .share-icons a {
            color: var(--green-800);
        }
        .share-icons a:hover {
            color: var(--gold-dark);
        }
        .featured-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 12px;
        }

        /* Related & Prev/Next */
        .related-section {
            background-color: var(--gray-light);
        }
        .prev-next-section {
            background-color: var(--ivory-light);
        }
        .prev-next-card {
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .prev-next-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gold-light);
        }
        .prev-next-card .label {
            font-size: 0.8rem;
            color: var(--gold-dark);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 6px;
        }
        .prev-next-card a {
            color: var(--green-900);
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
        }
        .prev-next-card a:hover {
            color: var(--gold-dark);
        }

        /* Comments */
        .comments-section {
            background-color: var(--ivory);
        }
        .comment-list {
            margin-bottom: 32px;
        }
        .comment-item {
            display: flex;
            gap: 14px;
            padding: 18px 0;
            border-bottom: 1px solid var(--gray-light);
        }
        .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--green-100);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green-800);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .comment-body {
            flex: 1;
        }
        .comment-author {
            font-weight: 600;
            color: var(--green-900);
            margin-bottom: 2px;
        }
        .comment-time {
            font-size: 0.8rem;
            color: var(--gray-mid);
            margin-bottom: 6px;
        }
        .comment-text {
            font-size: 0.92rem;
            color: var(--charcoal);
            line-height: 1.6;
        }
        .comment-form input,
        .comment-form textarea {
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            width: 100%;
            margin-bottom: 12px;
            font-size: 0.9rem;
            background-color: #fff;
            color: var(--charcoal);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form button {
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--green-900);
            color: var(--ivory);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--ivory);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .footer-brand small {
            display: block;
            font-size: 0.65rem;
            font-weight: 400;
            color: rgba(247, 244, 237, 0.6);
            letter-spacing: 0.06em;
        }
        .footer-section-title {
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
            color: var(--gold-light);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(247, 244, 237, 0.75);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(247, 244, 237, 0.15);
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(247, 244, 237, 0.55);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .site-navbar {
                flex-wrap: nowrap;
            }
            .nav-menu {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .mobile-nav {
                display: none;
            }
            .article-sidebar {
                position: static;
                margin-top: 32px;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
        }
        @media (min-width: 992px) {
            .mobile-nav {
                display: none !important;
            }
        }
        @media (max-width: 575px) {
            body {
                font-size: 15px;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .card-custom .card-img {
                height: 150px;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --green-900: #0f3d2e;
            --green-800: #1a4d3a;
            --green-700: #1e5c46;
            --green-100: #e6f0eb;
            --ivory: #f7f4ed;
            --ivory-light: #fdfbf7;
            --gold: #c9a86a;
            --gold-dark: #b8925a;
            --gold-light: #dcc195;
            --charcoal: #2b2b2b;
            --gray-light: #e8e5df;
            --gray-mid: #8a867e;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-hover: 0 10px 32px rgba(0,0,0,0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 80px;
            --spacing-section-mobile: 48px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--charcoal);
            background-color: var(--ivory);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { text-decoration: none; transition: var(--transition); }
        a:focus { outline: 2px solid var(--gold); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button:focus, input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
        .container { max-width: 1200px; }
        .container-narrow { max-width: 960px; }

        /* Section base */
        .section { padding: var(--spacing-section) 0; }
        .section-alt { background-color: var(--gray-light); }
        .section-dark { background-color: var(--green-900); color: var(--ivory); }
        .section-ivory { background-color: var(--ivory); }
        .section-cream { background-color: var(--ivory-light); }
        .section-gold-accent { border-top: 2px solid var(--gold-dark); }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--gold-dark);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-dark .section-title { color: var(--ivory); }
        .section-sub {
            font-size: 1rem;
            color: var(--gray-mid);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-dark .section-sub { color: rgba(247, 244, 237, 0.75); }

        /* Header / Nav */
        .site-header {
            background-color: var(--green-900);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .site-navbar {
            display: flex;
            align-items: stretch;
            justify-content: space-between;
            flex-wrap: wrap;
            min-height: 64px;
            padding: 8px 16px;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--ivory);
            letter-spacing: 0.04em;
            white-space: nowrap;
            line-height: 1.4;
        }
        .navbar-brand:hover { color: var(--gold-light); }
        .navbar-brand small {
            display: block;
            font-size: 0.65rem;
            font-weight: 400;
            color: rgba(247, 244, 237, 0.6);
            letter-spacing: 0.06em;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-item { position: relative; }
        .nav-link {
            color: rgba(247, 244, 237, 0.9);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 18px 14px;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .nav-link:hover,
        .nav-item:hover .nav-link,
        .nav-link.active {
            color: var(--gold-light);
            border-bottom-color: var(--gold);
        }
        .dropdown-panel {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background-color: var(--ivory);
            border-radius: 0 0 8px 8px;
            box-shadow: var(--shadow-lg);
            padding: 8px 0;
            z-index: 1030;
        }
        .nav-item:hover .dropdown-panel,
        .nav-item:focus-within .dropdown-panel { display: block; }
        .dropdown-panel a {
            display: block;
            color: var(--charcoal);
            font-size: 0.88rem;
            padding: 9px 18px;
            font-weight: 400;
        }
        .dropdown-panel a:hover {
            background-color: var(--green-100);
            color: var(--green-900);
        }
        .dropdown-panel a.active {
            background-color: var(--green-100);
            color: var(--green-800);
            font-weight: 600;
        }
        .navbar-toggler {
            background: transparent;
            border: 1px solid rgba(247, 244, 237, 0.35);
            border-radius: var(--radius-sm);
            color: var(--ivory);
            font-size: 1.2rem;
            padding: 6px 12px;
            cursor: pointer;
            display: none;
        }
        .navbar-toggler:hover { border-color: var(--gold); }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--green-900);
            width: 100%;
            padding: 0 16px 16px;
            border-top: 1px solid rgba(247, 244, 237, 0.15);
        }
        .mobile-nav a {
            color: rgba(247, 244, 237, 0.9);
            padding: 12px 0;
            border-bottom: 1px solid rgba(247, 244, 237, 0.1);
            font-size: 0.95rem;
        }
        .mobile-nav a:hover { color: var(--gold-light); }
        .mobile-nav .sub-links { padding-left: 16px; }
        .mobile-nav .sub-links a { font-size: 0.85rem; opacity: 0.8; }
        .mobile-nav.show { display: flex; }

        /* Buttons */
        .btn {
            font-family: var(--font-sans);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
            min-height: 44px;
        }
        .btn-primary-gold {
            background-color: var(--gold);
            color: var(--charcoal);
            border-color: var(--gold);
        }
        .btn-primary-gold:hover {
            background-color: var(--gold-dark);
            border-color: var(--gold-dark);
            color: var(--charcoal);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--green-800);
            border: 1px solid var(--green-800);
        }
        .btn-outline-green:hover {
            background-color: var(--green-100);
            color: var(--green-800);
            border-color: var(--green-800);
        }
        .btn-outline-ivory {
            background: transparent;
            color: var(--ivory);
            border: 1px solid rgba(247, 244, 237, 0.5);
        }
        .btn-outline-ivory:hover {
            background-color: rgba(247, 244, 237, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
        }
        .btn-sm { padding: 8px 16px; min-height: 36px; font-size: 0.82rem; }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(rgba(15,61,46,0.95), rgba(15,61,46,0.9)), url('/assets/images/61a6ebaed4265aac.webp') center/cover no-repeat;
            color: var(--ivory);
            padding: 56px 0 48px;
            border-bottom: 2px solid var(--gold-dark);
        }
        .category-hero .breadcrumb-custom {
            color: rgba(247,244,237,0.7);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .category-hero .breadcrumb-custom a {
            color: rgba(247,244,237,0.7);
        }
        .category-hero .breadcrumb-custom a:hover { color: var(--gold-light); }
        .category-hero .breadcrumb-custom .sep { margin: 0 8px; }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--ivory);
        }
        .category-hero .lead {
            font-size: 1.1rem;
            color: rgba(247,244,237,0.85);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .category-hero .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .category-hero .hero-tags .tag-item {
            background: rgba(247,244,237,0.1);
            border: 1px solid rgba(247,244,237,0.25);
            color: var(--ivory);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
        }

        /* Cards */
        .card-custom {
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-custom .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: var(--green-100);
            color: var(--green-800);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .card-custom h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 8px;
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--gray-mid);
            margin-bottom: 0;
        }

        /* Video card */
        .video-card {
            display: block;
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            color: var(--charcoal);
        }
        .video-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: var(--charcoal);
        }
        .video-card-media {
            position: relative;
            aspect-ratio: 16/9;
            background-color: var(--green-900);
            overflow: hidden;
        }
        .video-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .video-card-media .badge-play {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15,61,46,0.85);
            color: var(--ivory);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid var(--gold-dark);
        }
        .video-card-body {
            padding: 16px 18px;
        }
        .video-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .video-card-body p {
            font-size: 0.9rem;
            color: var(--gray-mid);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .video-card .meta {
            font-size: 0.8rem;
            color: var(--gray-mid);
            display: flex;
            gap: 12px;
            align-items: center;
            border-top: 1px solid var(--gray-light);
            padding-top: 10px;
        }
        .video-card .meta i { margin-right: 4px; }

        /* Filter toolbar */
        .filter-toolbar {
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            box-shadow: var(--shadow-sm);
        }
        .filter-toolbar label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--green-800);
            margin-right: 6px;
        }
        .filter-toolbar select,
        .filter-toolbar .form-select2 {
            min-width: 160px;
            padding: 8px 36px 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--gray-light);
            background-color: var(--ivory);
            color: var(--charcoal);
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231a4d3a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .filter-toolbar select:focus,
        .filter-toolbar .form-select2:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 0.2rem rgba(201,168,106,0.15);
        }

        /* Related category cards */
        .related-cat {
            display: block;
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            color: var(--charcoal);
        }
        .related-cat:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: var(--charcoal);
        }
        .related-cat.active {
            border-color: var(--gold-dark);
            box-shadow: 0 0 0 2px rgba(201,168,106,0.2);
        }
        .related-cat-img {
            aspect-ratio: 16/9;
            background-color: var(--green-900);
            overflow: hidden;
        }
        .related-cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-cat-body {
            padding: 16px 18px;
        }
        .related-cat-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 4px;
        }
        .related-cat-body span {
            font-size: 0.8rem;
            color: var(--gray-mid);
        }

        /* Editor list */
        .editor-list-item {
            display: flex;
            gap: 20px;
            background-color: var(--ivory-light);
            border: 1px solid var(--gray-light);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            color: var(--charcoal);
        }
        .editor-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: var(--charcoal);
        }
        .editor-list-item .editor-img {
            flex: 0 0 180px;
            aspect-ratio: 16/9;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background-color: var(--green-900);
        }
        .editor-list-item .editor-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-list-item .editor-content {
            flex: 1;
        }
        .editor-list-item .editor-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 8px;
        }
        .editor-list-item .editor-content p {
            font-size: 0.9rem;
            color: var(--gray-mid);
            margin-bottom: 8px;
        }
        .editor-list-item .editor-content .meta {
            font-size: 0.8rem;
            color: var(--gray-mid);
            display: flex;
            gap: 12px;
        }

        /* CTA subscription */
        .cta-subscribe {
            background: linear-gradient(135deg, #1a4d3a 0%, #0f3d2e 100%);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            color: var(--ivory);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid var(--gold-dark);
        }
        .cta-subscribe h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ivory);
            margin-bottom: 8px;
        }
        .cta-subscribe p {
            font-size: 0.95rem;
            color: rgba(247,244,237,0.8);
            margin-bottom: 0;
        }
        .cta-subscribe form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
            max-width: 480px;
            min-width: 260px;
        }
        .cta-subscribe input[type="email"] {
            flex: 1;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(247,244,237,0.3);
            background: rgba(247,244,237,0.08);
            color: var(--ivory);
            font-size: 0.9rem;
            min-width: 200px;
        }
        .cta-subscribe input[type="email"]::placeholder {
            color: rgba(247,244,237,0.6);
        }
        .cta-subscribe input[type="email"]:focus {
            border-color: var(--gold);
            outline: none;
        }

        /* Icon list */
        .icon-list-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            margin-bottom: 18px;
        }
        .icon-list-item .icon-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--green-100);
            color: var(--green-800);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .icon-list-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--green-900);
            margin-bottom: 4px;
        }
        .icon-list-item p {
            font-size: 0.9rem;
            color: var(--gray-mid);
            margin-bottom: 0;
        }

        /* Empty state */
        .empty-state {
            background: var(--ivory-light);
            border: 1px dashed var(--gray-light);
            border-radius: var(--radius-md);
            padding: 40px 20px;
            text-align: center;
            color: var(--gray-mid);
            font-size: 0.95rem;
        }

        /* Footer */
        .site-footer {
            background-color: var(--green-900);
            color: var(--ivory);
            padding: 60px 0 30px;
            border-top: 2px solid var(--gold-dark);
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--ivory);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .footer-brand small {
            display: block;
            font-size: 0.7rem;
            font-weight: 400;
            color: rgba(247,244,237,0.55);
            letter-spacing: 0.06em;
        }
        .footer-section-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: rgba(247,244,237,0.75);
            font-size: 0.85rem;
        }
        .footer-links a:hover { color: var(--gold-light); }
        .footer-bottom {
            border-top: 1px solid rgba(247,244,237,0.15);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(247,244,237,0.55);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .section { padding: var(--spacing-section-mobile) 0; }
            .category-hero h1 { font-size: 2rem; }
            .editor-list-item { flex-direction: column; }
            .editor-list-item .editor-img { flex: 0 0 auto; width: 100%; }
            .cta-subscribe { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 767.98px) {
            .navbar-toggler { display: inline-flex; }
            .nav-menu { display: none; }
            .mobile-nav { display: none; }
            .mobile-nav.show { display: flex; }
            .site-navbar { flex-wrap: wrap; }
            .category-hero { padding: 40px 0 32px; }
            .category-hero h1 { font-size: 1.6rem; }
            .section-title { font-size: 1.5rem; }
            .filter-toolbar { flex-direction: column; align-items: stretch; }
            .filter-toolbar select, .filter-toolbar .form-select2 { width: 100%; }
        }
        @media (max-width: 575.98px) {
            body { font-size: 15px; }
            .card-custom { padding: 18px; }
            .video-card-body { padding: 12px 14px; }
            .video-card-body h3 { font-size: 1rem; }
            .cta-subscribe { padding: 24px 18px; }
            .cta-subscribe h2 { font-size: 1.3rem; }
        }

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