/* roulang page: index */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }

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

        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }

        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1280px;
        }

        /* ----- HEADER / NAV ----- */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }

        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }

        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }

        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }

        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }

        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }

        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }

        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }

        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }

        .ab-kbd {
            font-family: var(--ab-font-num);
            font-size: 0.7rem;
            background: rgba(255, 255, 255, 0.08);
            color: var(--ab-text-muted);
            padding: 0.1rem 0.45rem;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            white-space: nowrap;
            user-select: none;
        }

        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border: none;
            border-radius: 14px;
            padding: 0.6rem 1.4rem;
            font-size: 0.9rem;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), filter var(--ab-transition);
            white-space: nowrap;
            box-shadow: var(--ab-shadow-btn);
            letter-spacing: 0.3px;
        }

        .ab-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(163, 240, 75, 0.28);
            filter: brightness(1.06);
            color: #0B2A1D;
        }

        .ab-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(163, 240, 75, 0.15);
        }

        .ab-btn-secondary {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 14px;
            padding: 0.6rem 1.4rem;
            font-size: 0.9rem;
            transition: transform var(--ab-transition), background var(--ab-transition), border-color var(--ab-transition);
            white-space: nowrap;
        }

        .ab-btn-secondary:hover {
            background: rgba(163, 240, 75, 0.12);
            border-color: rgba(163, 240, 75, 0.45);
            transform: translateY(-2px);
            color: var(--ab-text-primary);
        }

        .ab-btn-secondary:active {
            transform: translateY(0);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 0.4rem 0.6rem;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.18);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23A3F04B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .ab-offcanvas {
            background: var(--ab-neutral-mid);
            border-left: 1px solid var(--ab-border-light);
        }

        .ab-offcanvas .nav-link {
            color: var(--ab-text-secondary);
            font-size: 1.05rem;
            padding: 0.7rem 1.2rem;
            border-radius: 8px;
        }

        .ab-offcanvas .nav-link:hover,
        .ab-offcanvas .nav-link.active {
            background: rgba(163, 240, 75, 0.08);
            color: var(--ab-energy);
        }

        /* ----- HERO ----- */
        .ab-hero {
            min-height: 88vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.92) 0%, rgba(12, 18, 16, 0.78) 60%, rgba(12, 18, 16, 0.9) 100%), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            background-color: var(--ab-neutral-dark);
            padding: 7rem 0 5rem;
            overflow: hidden;
        }

        .ab-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse, rgba(163, 240, 75, 0.16) 0%, transparent 65%);
            pointer-events: none;
        }

        .ab-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(ellipse, rgba(214, 161, 92, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .ab-hero-tag {
            display: inline-block;
            background: rgba(163, 240, 75, 0.12);
            border: 1px solid rgba(163, 240, 75, 0.28);
            color: var(--ab-energy);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.3rem 1rem;
            border-radius: 100px;
            letter-spacing: 0.5px;
            margin-bottom: 1.2rem;
        }

        .ab-hero h1 {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            color: var(--ab-text-primary);
            margin-bottom: 1.2rem;
            word-break: break-word;
        }

        .ab-hero h1 .highlight {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--ab-energy);
        }

        .ab-hero-desc {
            font-size: 1.15rem;
            color: var(--ab-text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 1.8rem;
            font-weight: 400;
        }

        .ab-hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2rem;
        }

        .ab-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .ab-hero-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .ab-hero-badge .num {
            font-family: var(--ab-font-num);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--ab-energy);
            line-height: 1;
        }

        .ab-hero-badge .label {
            font-size: 0.85rem;
            color: var(--ab-text-muted);
        }

        .ab-hero-panel-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--ab-radius-lg);
            padding: 1.6rem;
            box-shadow: var(--ab-shadow-card);
        }

        .ab-hero-panel-card .panel-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }

        .ab-time-slot-row {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }

        .ab-time-slot {
            padding: 0.35rem 0.9rem;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--ab-text-secondary);
            cursor: pointer;
            transition: all var(--ab-transition);
            background: rgba(255, 255, 255, 0.03);
        }

        .ab-time-slot:hover,
        .ab-time-slot.selected {
            border-color: var(--ab-energy);
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.1);
        }

        .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            padding: 0.6rem 0.9rem;
            outline: none;
            width: 100%;
            transition: border-color var(--ab-transition), background var(--ab-transition);
            margin-bottom: 1rem;
            appearance: none;
        }

        .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.08);
        }

        .ab-hero-form-control option {
            background: var(--ab-neutral-mid);
            color: var(--ab-text-primary);
        }

        /* ----- SECTION GENERAL ----- */
        .ab-section {
            padding: 5rem 0;
            position: relative;
        }

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

        .ab-section-mid {
            background: var(--ab-neutral-mid);
        }

        .ab-section-light {
            background: var(--ab-light-bg);
            color: #1a1f1b;
        }

        .ab-section-light .ab-section-title,
        .ab-section-light .ab-section-desc,
        .ab-section-light h2,
        .ab-section-light h3 {
            color: #1a1f1b;
        }

        .ab-section-light .ab-text-muted-custom {
            color: #5a665e;
        }

        .ab-section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .ab-section-desc {
            font-size: 1.08rem;
            color: var(--ab-text-secondary);
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 680px;
        }

        .ab-text-muted-custom {
            color: var(--ab-text-muted);
        }

        .ab-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--ab-energy);
            margin-bottom: 0.6rem;
        }

        .ab-eyebrow.copper {
            color: var(--ab-copper);
        }

        /* ----- PAIN POINTS ----- */
        .ab-pain-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .ab-pain-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.4rem 1.6rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            transition: transform var(--ab-transition), border-color var(--ab-transition), background var(--ab-transition);
        }

        .ab-pain-item:hover {
            transform: translateX(6px);
            border-color: rgba(163, 240, 75, 0.35);
            background: rgba(255, 255, 255, 0.06);
        }

        .ab-pain-num {
            font-family: var(--ab-font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-copper);
            line-height: 1;
            min-width: 52px;
            flex-shrink: 0;
        }

        .ab-pain-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.5rem;
        }

        .ab-pain-item p {
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ----- SOLUTION CARDS ----- */
        .ab-solution-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1.2rem;
        }

        .ab-sol-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            padding: 1.6rem;
            display: flex;
            flex-direction: column;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            position: relative;
            overflow: hidden;
        }

        .ab-sol-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.3);
        }

        .ab-sol-card.big {
            grid-column: span 7;
            grid-row: span 2;
        }

        .ab-sol-card.mid {
            grid-column: span 5;
        }

        .ab-sol-card.small {
            grid-column: span 4;
        }

        .ab-sol-card .card-img-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 16px;
            margin-bottom: 1rem;
            background-color: rgba(255, 255, 255, 0.04);
        }

        .ab-sol-card.big .card-img-top {
            height: 260px;
        }

        .ab-sol-card .card-badge {
            position: absolute;
            top: 1.2rem;
            right: 1.2rem;
            background: rgba(12, 18, 16, 0.85);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(163, 240, 75, 0.4);
            color: var(--ab-energy);
            font-family: var(--ab-font-num);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.3rem 0.9rem;
            border-radius: 100px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            z-index: 2;
        }

        .ab-sol-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.6rem;
        }

        .ab-sol-card p {
            font-size: 0.92rem;
            color: var(--ab-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ----- RESULTS / DATA SECTION ----- */
        .ab-results-section {
            background: linear-gradient(135deg, #0B2A1D 0%, #0F3A28 40%, #0C1210 100%);
            position: relative;
            overflow: hidden;
        }

        .ab-results-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 20%;
            width: 50%;
            height: 60%;
            background: radial-gradient(ellipse, rgba(163, 240, 75, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .ab-results-block {
            display: flex;
            gap: 2rem;
            align-items: center;
            margin-bottom: 2.5rem;
            padding: 1.8rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--ab-radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--ab-transition);
        }

        .ab-results-block:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .ab-results-block .ab-num {
            font-family: var(--ab-font-num);
            font-size: 3rem;
            font-weight: 800;
            color: var(--ab-energy);
            line-height: 1;
            min-width: 120px;
            flex-shrink: 0;
            text-align: center;
        }

        .ab-results-block .ab-num span {
            font-size: 1rem;
            display: block;
            color: var(--ab-text-muted);
            font-family: var(--ab-font-cn);
            font-weight: 500;
        }

        .ab-results-block h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.5rem;
        }

        .ab-results-block p {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ----- TESTIMONIALS ----- */
        .ab-testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            padding: 1.8rem;
            height: 100%;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
        }

        .ab-testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card);
            border-color: rgba(163, 240, 75, 0.25);
        }

        .ab-testimonial-card .quote-text {
            font-size: 0.98rem;
            color: var(--ab-text-secondary);
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }

        .ab-testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.9rem;
        }

        .ab-testimonial-card .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid rgba(163, 240, 75, 0.3);
            background: var(--ab-neutral-mid);
        }

        .ab-testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--ab-text-primary);
        }

        .ab-testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--ab-text-muted);
        }

        /* ----- NEWS ----- */
        .ab-news-layout {
            display: flex;
            gap: 2rem;
        }

        .ab-news-main {
            flex: 1.4;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .ab-news-side {
            flex: 0.8;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .ab-news-card {
            display: flex;
            gap: 1.2rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.2rem;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            align-items: flex-start;
        }

        .ab-news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--ab-shadow-card);
            border-color: rgba(163, 240, 75, 0.22);
        }

        .ab-news-card.lead-card {
            flex-direction: column;
            padding: 1.4rem;
        }

        .ab-news-card.lead-card .news-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: 16px;
            margin-bottom: 1rem;
        }

        .ab-news-card .news-date-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(214, 161, 92, 0.14);
            border: 1px solid rgba(214, 161, 92, 0.28);
            border-radius: 12px;
            padding: 0.5rem 0.7rem;
            min-width: 56px;
            flex-shrink: 0;
        }

        .ab-news-card .news-date-badge .day {
            font-family: var(--ab-font-num);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ab-copper);
            line-height: 1;
        }

        .ab-news-card .news-date-badge .month {
            font-size: 0.7rem;
            color: var(--ab-copper);
            opacity: 0.7;
            letter-spacing: 0.5px;
        }

        .ab-news-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .ab-news-card p {
            font-size: 0.88rem;
            color: var(--ab-text-secondary);
            line-height: 1.65;
            margin-bottom: 0.6rem;
        }

        .ab-news-card .news-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--ab-energy);
            transition: color var(--ab-transition);
        }

        .ab-news-card .news-link:hover {
            color: var(--ab-energy-soft);
        }

        .ab-news-side .ab-side-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.3rem;
        }

        .ab-news-side .ab-side-card h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.8rem;
        }

        .ab-news-side .ab-side-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .ab-news-side .ab-side-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.88rem;
            color: var(--ab-text-secondary);
        }

        .ab-news-side .ab-side-card ul li:last-child {
            border-bottom: none;
        }

        .ab-news-side .ab-side-card ul li a {
            color: var(--ab-text-secondary);
            transition: color var(--ab-transition);
        }

        .ab-news-side .ab-side-card ul li a:hover {
            color: var(--ab-energy);
        }

        /* ----- BRAND SECTION ----- */
        .ab-brand-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(163, 240, 75, 0.16);
            border-radius: var(--ab-radius-xl);
            padding: 2.2rem;
            display: flex;
            gap: 2.5rem;
            align-items: center;
        }

        .ab-brand-card .brand-content {
            flex: 1;
        }

        .ab-brand-card .brand-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }

        .ab-brand-card .brand-content p {
            color: var(--ab-text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .ab-brand-card .brand-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .ab-brand-card .brand-stat-num {
            font-family: var(--ab-font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-energy);
        }

        .ab-brand-card .brand-stat-label {
            font-size: 0.8rem;
            color: var(--ab-text-muted);
        }

        /* ----- FAQ ----- */
        .ab-faq-section .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
        }

        .ab-faq-section .accordion-button {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 1.2rem 1.5rem;
            border-radius: var(--ab-radius-md) !important;
            box-shadow: none;
            transition: background var(--ab-transition), color var(--ab-transition);
        }

        .ab-faq-section .accordion-button:not(.collapsed) {
            background: rgba(163, 240, 75, 0.06);
            color: var(--ab-energy);
            box-shadow: none;
        }

        .ab-faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A8B5AD'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .ab-faq-section .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23A3F04B'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transform: rotate(-180deg);
        }

        .ab-faq-section .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.1);
        }

        .ab-faq-section .accordion-body {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 1.2rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ----- FINAL CTA ----- */
        .ab-final-cta {
            background: linear-gradient(135deg, #0B2A1D 0%, #0F3A28 50%, #0C1210 100%);
            border: 1px solid rgba(163, 240, 75, 0.2);
            border-radius: var(--ab-radius-xl);
            padding: 3rem 2.5rem;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .ab-final-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 50%;
            height: 80%;
            background: radial-gradient(ellipse, rgba(163, 240, 75, 0.18) 0%, transparent 60%);
            pointer-events: none;
        }

        .ab-final-cta h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            position: relative;
        }

        .ab-final-cta p {
            color: var(--ab-text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 520px;
            margin: 0 auto 1.8rem;
            position: relative;
        }

        .ab-final-cta .ab-cta-row {
            display: flex;
            gap: 0.8rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* ----- FOOTER ----- */
        .ab-footer {
            background: #0A0D0B;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4rem 0 1.8rem;
        }

        .ab-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }

        .ab-footer .footer-brand .brand-logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #0B2A1D;
        }

        .ab-footer .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 280px;
        }

        .ab-footer h6 {
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

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

        .ab-footer ul li {
            margin-bottom: 0.5rem;
        }

        .ab-footer ul li a {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            transition: color var(--ab-transition);
        }

        .ab-footer ul li a:hover {
            color: var(--ab-energy);
        }

        .ab-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--ab-text-muted);
        }

        .ab-footer .footer-bottom a {
            color: var(--ab-text-muted);
            margin-right: 1rem;
        }

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

        /* ----- RESPONSIVE ----- */
        @media (max-width: 1199.98px) {
            .ab-hero h1 {
                font-size: 2.8rem;
            }
            .ab-sol-card.big {
                grid-column: span 12;
            }
            .ab-sol-card.mid {
                grid-column: span 6;
            }
            .ab-sol-card.small {
                grid-column: span 6;
            }
        }

        @media (max-width: 991.98px) {
            .ab-hero {
                min-height: auto;
                padding: 5rem 0 3.5rem;
            }
            .ab-hero h1 {
                font-size: 2.4rem;
            }
            .ab-results-block {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            .ab-results-block .ab-num {
                min-width: auto;
            }
            .ab-brand-card {
                flex-direction: column;
                text-align: center;
            }
            .ab-brand-card .brand-stats {
                justify-content: center;
            }
            .ab-news-layout {
                flex-direction: column;
            }
            .ab-news-card.lead-card .news-img {
                height: 180px;
            }
            .ab-section {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 767.98px) {
            .ab-hero h1 {
                font-size: 2rem;
            }
            .ab-hero-desc {
                font-size: 1rem;
            }
            .ab-section-title {
                font-size: 1.8rem;
            }
            .ab-sol-card.mid,
            .ab-sol-card.small {
                grid-column: span 12;
            }
            .ab-sol-card.big .card-img-top {
                height: 180px;
            }
            .ab-navbar .nav-link {
                font-size: 0.9rem;
                padding: 0.4rem 0.7rem;
            }
            .ab-search-box {
                min-width: 150px;
            }
            .ab-pain-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .ab-pain-num {
                font-size: 1.5rem;
            }
            .ab-news-card {
                flex-direction: column;
                gap: 0.8rem;
            }
            .ab-news-card .news-date-badge {
                align-self: flex-start;
            }
            .ab-final-cta {
                padding: 2rem 1.5rem;
            }
            .ab-final-cta h2 {
                font-size: 1.6rem;
            }
            .ab-footer {
                padding: 2.5rem 0 1.2rem;
            }
            .ab-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }
        }

        @media (max-width: 575.98px) {
            .ab-hero h1 {
                font-size: 1.7rem;
            }
            .ab-hero-cta-row {
                flex-direction: column;
                gap: 0.5rem;
            }
            .ab-hero-badges {
                gap: 0.8rem;
            }
            .ab-hero-badge .num {
                font-size: 1.3rem;
            }
            .ab-section-title {
                font-size: 1.5rem;
            }
            .ab-section-desc {
                font-size: 0.95rem;
            }
            .ab-sol-card {
                padding: 1.2rem;
                border-radius: 20px;
            }
            .ab-testimonial-card {
                padding: 1.3rem;
            }
            .ab-brand-card {
                padding: 1.5rem;
                border-radius: 24px;
            }
            .ab-final-cta {
                border-radius: 24px;
            }
            .ab-final-cta .ab-cta-row {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }
        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1280px;
        }

        /* Header / Nav */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }
        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }
        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }
        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }
        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }
        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }
        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }
        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border-radius: 12px;
            padding: 0.65rem 1.5rem;
            border: none;
            cursor: pointer;
            transition: background var(--ab-transition), transform var(--ab-transition), box-shadow var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .ab-btn-primary:hover {
            background: linear-gradient(135deg, #B8FF5A 0%, #6FF59C 100%);
            transform: translateY(-2px);
            box-shadow: var(--ab-shadow-btn);
            color: #0B2A1D;
        }
        .ab-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(163, 240, 75, 0.12);
        }
        .ab-btn-outline {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border-radius: 12px;
            padding: 0.65rem 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.18);
            cursor: pointer;
            transition: background var(--ab-transition), color var(--ab-transition), border-color var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .ab-btn-outline:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
        }
        .ab-kbd {
            font-family: var(--ab-font-num);
            font-size: 0.7rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 6px;
            padding: 0.15rem 0.4rem;
            color: var(--ab-text-muted);
            white-space: nowrap;
        }

        /* Offcanvas */
        .ab-offcanvas {
            background: var(--ab-neutral-dark);
            border-left: 1px solid var(--ab-border-light);
        }
        .ab-offcanvas .nav-link {
            color: var(--ab-text-secondary);
            padding: 0.75rem 1.2rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
        }
        .ab-offcanvas .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-offcanvas .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
        }

        /* Page banner / breadcrumb area */
        .ab-page-banner {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.92) 0%, rgba(12, 18, 16, 0.85) 60%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 4rem 0 3.5rem;
            border-bottom: 1px solid rgba(163, 240, 75, 0.12);
            position: relative;
            overflow: hidden;
        }
        .ab-page-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            color: var(--ab-text-muted);
        }
        .ab-breadcrumb a {
            color: var(--ab-text-secondary);
        }
        .ab-breadcrumb a:hover {
            color: var(--ab-energy);
        }
        .ab-breadcrumb .breadcrumb-item.active {
            color: var(--ab-energy);
            font-weight: 500;
        }
        .ab-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
            color: var(--ab-text-muted);
            content: '/';
        }
        .ab-page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            margin: 0.75rem 0 0.75rem;
            line-height: 1.35;
        }
        .ab-page-banner .ab-banner-desc {
            font-size: 1.05rem;
            color: var(--ab-text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .ab-banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.25rem;
        }
        .ab-banner-badge {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--ab-border-light);
            border-radius: 999px;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            color: var(--ab-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .ab-banner-badge strong {
            color: var(--ab-energy);
            font-weight: 700;
        }

        /* Filter row */
        .ab-filter-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--ab-border-subtle);
            margin-bottom: 2rem;
        }
        .ab-filter-chip {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: 999px;
            padding: 0.4rem 1.1rem;
            font-size: 0.85rem;
            color: var(--ab-text-secondary);
            cursor: pointer;
            transition: all var(--ab-transition);
            white-space: nowrap;
            user-select: none;
        }
        .ab-filter-chip:hover {
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.06);
        }
        .ab-filter-chip.active {
            background: rgba(163, 240, 75, 0.12);
            border-color: var(--ab-energy);
            color: var(--ab-energy);
            font-weight: 600;
        }
        .ab-filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--ab-text-muted);
            font-size: 0.85rem;
        }
        .ab-filter-sort select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: 8px;
            padding: 0.3rem 0.75rem;
            color: var(--ab-text-primary);
            font-size: 0.85rem;
            cursor: pointer;
            outline: none;
        }
        .ab-filter-sort select:focus {
            border-color: var(--ab-energy-soft);
        }

        /* Category content cards */
        .ab-cat-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            margin-bottom: 1.5rem;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            display: flex;
            flex-direction: column;
        }
        .ab-cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.25);
        }
        .ab-cat-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .ab-cat-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .ab-cat-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .ab-cat-card .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(11, 42, 29, 0.88);
            border: 1px solid rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .ab-cat-card .card-body {
            padding: 1.4rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ab-cat-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.45;
        }
        .ab-cat-card .card-title a {
            color: var(--ab-text-primary);
        }
        .ab-cat-card .card-title a:hover {
            color: var(--ab-energy);
        }
        .ab-cat-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--ab-text-secondary);
            line-height: 1.75;
            margin-bottom: 1rem;
            flex: 1;
        }
        .ab-cat-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--ab-text-muted);
            border-top: 1px solid var(--ab-border-subtle);
            padding-top: 0.9rem;
            margin-top: 0.5rem;
        }
        .ab-cat-card .card-date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .ab-cat-card .card-date .date-badge {
            background: rgba(214, 161, 92, 0.15);
            color: var(--ab-copper);
            border-radius: 6px;
            padding: 0.15rem 0.55rem;
            font-weight: 700;
            font-size: 0.75rem;
        }
        .ab-cat-card .btn-read-more {
            background: transparent;
            border: none;
            color: var(--ab-energy-soft);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--ab-transition), gap var(--ab-transition);
        }
        .ab-cat-card .btn-read-more:hover {
            color: var(--ab-energy);
            gap: 10px;
        }

        /* Sidebar */
        .ab-sidebar-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .ab-sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1.1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid rgba(163, 240, 75, 0.18);
        }
        .ab-sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ab-sidebar-tags a {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: 999px;
            padding: 0.35rem 0.9rem;
            font-size: 0.82rem;
            color: var(--ab-text-secondary);
            transition: all var(--ab-transition);
        }
        .ab-sidebar-tags a:hover {
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.06);
        }
        .ab-sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-sidebar-link-list li {
            margin-bottom: 0.7rem;
        }
        .ab-sidebar-link-list li:last-child {
            margin-bottom: 0;
        }
        .ab-sidebar-link-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--ab-text-secondary);
            font-size: 0.9rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            transition: all var(--ab-transition);
        }
        .ab-sidebar-link-list a:hover {
            color: var(--ab-energy);
            background: rgba(255, 255, 255, 0.05);
        }
        .ab-sidebar-link-list .count {
            font-size: 0.75rem;
            color: var(--ab-text-muted);
            font-weight: 500;
        }
        .ab-sidebar-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ab-sidebar-form input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: 10px;
            padding: 0.65rem 1rem;
            color: var(--ab-text-primary);
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--ab-transition);
        }
        .ab-sidebar-form input:focus {
            border-color: var(--ab-energy-soft);
        }
        .ab-sidebar-form input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-sidebar-form button {
            width: 100%;
            justify-content: center;
        }

        /* Pagination */
        .ab-pagination {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin: 2rem 0 1rem;
            flex-wrap: wrap;
        }
        .ab-pagination .page-btn {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ab-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--ab-transition);
            user-select: none;
        }
        .ab-pagination .page-btn:hover {
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.06);
        }
        .ab-pagination .page-btn.active {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            border-color: transparent;
            color: #0B2A1D;
            font-weight: 700;
        }
        .ab-pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* Bottom CTA */
        .ab-bottom-cta {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.95) 0%, rgba(26, 74, 53, 0.9) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: var(--ab-radius-xl);
            padding: 3rem 2.5rem;
            margin: 3.5rem 0 4rem;
            position: relative;
            overflow: hidden;
            text-align: center;
            border: 1px solid rgba(163, 240, 75, 0.15);
        }
        .ab-bottom-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-bottom-cta h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }
        .ab-bottom-cta p {
            color: var(--ab-text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 1.5rem;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }
        .ab-bottom-cta .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .ab-footer {
            background: #080C0A;
            border-top: 1px solid rgba(163, 240, 75, 0.1);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .ab-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }
        .ab-footer .footer-brand .brand-logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            color: #0B2A1D;
        }
        .ab-footer h6 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .ab-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-footer ul li {
            margin-bottom: 0.55rem;
        }
        .ab-footer ul a {
            color: var(--ab-text-muted);
            font-size: 0.88rem;
            transition: color var(--ab-transition);
        }
        .ab-footer ul a:hover {
            color: var(--ab-energy);
        }
        .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: 10px;
            padding: 0.6rem 1rem;
            color: var(--ab-text-primary);
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--ab-transition);
            flex: 1;
        }
        .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
        }
        .ab-hero-form-control::placeholder {
            color: var(--ab-text-muted);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            border-top: 1px solid var(--ab-border-subtle);
            padding-top: 1.25rem;
            margin-top: 2rem;
            font-size: 0.8rem;
            color: var(--ab-text-muted);
        }
        .footer-bottom a {
            color: var(--ab-text-muted);
            margin: 0 0.5rem;
            transition: color var(--ab-transition);
        }
        .footer-bottom a:hover {
            color: var(--ab-energy);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .ab-navbar .navbar-collapse {
                display: none !important;
            }
            .ab-navbar .navbar-toggler {
                display: block !important;
            }
            .ab-navbar .d-none.d-lg-flex {
                display: none !important;
            }
            .ab-page-banner {
                padding: 3rem 0 2.5rem;
            }
            .ab-page-banner h1 {
                font-size: 1.9rem;
            }
            .ab-filter-row {
                gap: 0.5rem;
            }
            .ab-filter-sort {
                margin-left: 0;
                width: 100%;
                justify-content: flex-start;
            }
            .ab-bottom-cta {
                padding: 2.5rem 1.5rem;
            }
            .ab-bottom-cta h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 575px) {
            .ab-navbar {
                padding: 0.5rem 0;
            }
            .ab-navbar .navbar-brand {
                font-size: 1.15rem;
                gap: 8px;
            }
            .ab-navbar .navbar-brand .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .ab-page-banner {
                padding: 2.5rem 0 2rem;
            }
            .ab-page-banner h1 {
                font-size: 1.55rem;
            }
            .ab-page-banner .ab-banner-desc {
                font-size: 0.95rem;
            }
            .ab-cat-card .card-body {
                padding: 1.1rem 1.2rem 1.25rem;
            }
            .ab-cat-card .card-title {
                font-size: 1.05rem;
            }
            .ab-cat-card .card-excerpt {
                font-size: 0.88rem;
            }
            .ab-sidebar-card {
                padding: 1.2rem;
            }
            .ab-bottom-cta {
                padding: 2rem 1.25rem;
                border-radius: var(--ab-radius-lg);
            }
            .ab-bottom-cta h2 {
                font-size: 1.3rem;
            }
            .ab-bottom-cta p {
                font-size: 0.9rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .ab-pagination .page-btn {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }
        }

        /* Offcanvas styles for mobile */
        .navbar-toggler {
            border: 1px solid var(--ab-border-light);
            border-radius: 10px;
            padding: 0.4rem 0.65rem;
            display: none;
            background: rgba(255, 255, 255, 0.04);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23A3F04B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.3rem;
            height: 1.3rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.15);
            outline: none;
        }
        .offcanvas-header {
            border-bottom: 1px solid var(--ab-border-subtle);
            padding: 1rem 1.25rem;
        }
        .offcanvas-title {
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .btn-close {
            filter: invert(1) brightness(1.5);
        }
        .offcanvas-body {
            padding: 1rem 1.25rem;
        }
        .offcanvas-body .ab-search-box {
            min-width: auto;
            width: 100%;
            margin-bottom: 1rem;
        }
        .offcanvas-body .nav-link {
            display: block;
            width: 100%;
        }

/* roulang page: category1 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }

        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== HEADER / NAV ===== */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }

        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }

        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }

        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }

        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }

        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }

        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }

        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }

        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }

        .ab-kbd {
            font-family: var(--ab-font-num);
            font-size: 0.7rem;
            color: var(--ab-text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 0.1rem 0.45rem;
            white-space: nowrap;
        }

        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border: none;
            border-radius: 12px;
            padding: 0.6rem 1.4rem;
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: var(--ab-shadow-btn);
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), filter var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .ab-btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(163, 240, 75, 0.28);
            color: #0B2A1D;
        }

        .ab-btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
            box-shadow: 0 4px 12px rgba(163, 240, 75, 0.15);
        }

        .ab-btn-secondary {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 12px;
            padding: 0.6rem 1.4rem;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--ab-transition), border-color var(--ab-transition), color var(--ab-transition), transform var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .ab-btn-secondary:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: rgba(163, 240, 75, 0.35);
            color: var(--ab-energy);
            transform: translateY(-2px);
        }

        .ab-btn-outline-sm {
            background: transparent;
            color: var(--ab-energy-soft);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border: 1px solid rgba(163, 240, 75, 0.25);
            border-radius: 10px;
            padding: 0.35rem 0.9rem;
            font-size: 0.82rem;
            cursor: pointer;
            transition: background var(--ab-transition), border-color var(--ab-transition), color var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .ab-btn-outline-sm:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 0.4rem 0.7rem;
            background: rgba(255, 255, 255, 0.04);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.2);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28163, 240, 75, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .offcanvas {
            background: var(--ab-neutral-mid);
            color: var(--ab-text-primary);
            border-left: 1px solid rgba(163, 240, 75, 0.15);
        }
        .offcanvas .nav-link {
            color: var(--ab-text-secondary);
            padding: 0.7rem 1rem;
            border-radius: 10px;
        }
        .offcanvas .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .offcanvas .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
        }

        /* ===== PAGE HEADER / BREADCRUMB ===== */
        .ab-page-header {
            background: linear-gradient(180deg, rgba(11, 42, 29, 0.7) 0%, rgba(12, 18, 16, 1) 100%);
            border-bottom: 1px solid rgba(163, 240, 75, 0.1);
            padding: 3.5rem 0 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .ab-page-header::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-page-header::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(214, 161, 92, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ab-breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
            font-size: 0.88rem;
            color: var(--ab-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .ab-breadcrumb .breadcrumb-item {
            color: var(--ab-text-muted);
        }
        .ab-breadcrumb .breadcrumb-item a {
            color: var(--ab-text-secondary);
            transition: color var(--ab-transition);
        }
        .ab-breadcrumb .breadcrumb-item a:hover {
            color: var(--ab-energy);
        }
        .ab-breadcrumb .breadcrumb-item.active {
            color: var(--ab-energy-soft);
        }
        .ab-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            content: '/';
            color: var(--ab-text-muted);
            margin: 0 6px;
        }

        .ab-page-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-top: 1.2rem;
            margin-bottom: 0.8rem;
            letter-spacing: 0.5px;
            line-height: 1.35;
        }
        .ab-page-title .highlight {
            color: var(--ab-energy);
        }

        .ab-page-intro {
            font-size: 1.1rem;
            color: var(--ab-text-secondary);
            max-width: 720px;
            line-height: 1.9;
        }

        /* ===== FILTER / SORT BAR ===== */
        .ab-filter-bar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin-bottom: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .ab-filter-label {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
        }
        .ab-filter-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
        }
        .ab-filter-tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 100px;
            padding: 0.4rem 1.1rem;
            font-size: 0.85rem;
            color: var(--ab-text-secondary);
            cursor: pointer;
            transition: all var(--ab-transition);
            white-space: nowrap;
            user-select: none;
        }
        .ab-filter-tag:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-filter-tag.active {
            background: rgba(163, 240, 75, 0.15);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            font-weight: 600;
        }
        .ab-sort-select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--ab-text-secondary);
            font-family: var(--ab-font-cn);
            font-size: 0.85rem;
            padding: 0.45rem 2.2rem 0.45rem 1rem;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23A8B5AD' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 0.7rem center;
            background-size: 12px;
            transition: border-color var(--ab-transition);
        }
        .ab-sort-select:focus {
            border-color: var(--ab-energy-soft);
            outline: none;
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.1);
        }
        .ab-sort-select option {
            background: var(--ab-neutral-mid);
            color: var(--ab-text-primary);
        }

        /* ===== LIST CARD ===== */
        .ab-list-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .ab-list-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.3);
        }
        .ab-list-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--ab-green-deep);
        }
        .ab-list-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .ab-list-card:hover .ab-list-card-img-wrap img {
            transform: scale(1.05);
        }
        .ab-list-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(12, 18, 16, 0.78);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(163, 240, 75, 0.25);
            color: var(--ab-energy);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 100px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .ab-list-card-body {
            padding: 1.4rem 1.6rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ab-list-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }
        .ab-list-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 0.7rem;
            flex-wrap: wrap;
        }
        .ab-list-card-date {
            color: var(--ab-copper);
            font-size: 0.82rem;
            font-weight: 500;
            font-family: var(--ab-font-num);
            letter-spacing: 0.3px;
        }
        .ab-list-card-tag {
            color: var(--ab-text-muted);
            font-size: 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.15rem 0.7rem;
            border-radius: 100px;
        }
        .ab-list-card-summary {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 1.1rem;
            flex: 1;
        }
        .ab-list-card-link {
            color: var(--ab-energy-soft);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--ab-transition), gap var(--ab-transition);
            align-self: flex-start;
        }
        .ab-list-card-link:hover {
            color: var(--ab-energy);
            gap: 10px;
        }

        /* ===== SIDEBAR ===== */
        .ab-sidebar-widget {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--ab-radius-md);
            padding: 1.6rem;
            margin-bottom: 1.8rem;
        }
        .ab-sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1.2rem;
            letter-spacing: 0.3px;
            position: relative;
            padding-bottom: 0.7rem;
        }
        .ab-sidebar-widget h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 36px;
            height: 3px;
            background: linear-gradient(90deg, var(--ab-energy), var(--ab-energy-soft));
            border-radius: 3px;
        }
        .ab-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ab-tag-list a {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 100px;
            padding: 0.35rem 0.95rem;
            font-size: 0.82rem;
            color: var(--ab-text-secondary);
            transition: all var(--ab-transition);
        }
        .ab-tag-list a:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-related-list li {
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .ab-related-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .ab-related-list li:first-child {
            padding-top: 0;
        }
        .ab-related-list a {
            color: var(--ab-text-secondary);
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--ab-transition);
        }
        .ab-related-list a:hover {
            color: var(--ab-energy);
        }
        .ab-related-list a i {
            color: var(--ab-copper);
            font-size: 0.7rem;
            flex-shrink: 0;
        }
        .ab-sidebar-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .ab-sidebar-form input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            padding: 0.65rem 1rem;
            outline: none;
            transition: border-color var(--ab-transition), box-shadow var(--ab-transition);
        }
        .ab-sidebar-form input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-sidebar-form input:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.1);
        }
        .ab-sidebar-desc {
            color: var(--ab-text-muted);
            font-size: 0.88rem;
            line-height: 1.8;
        }

        /* ===== PAGINATION ===== */
        .ab-pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 2.8rem;
            flex-wrap: wrap;
        }
        .ab-page-btn {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            color: var(--ab-text-secondary);
            cursor: pointer;
            transition: all var(--ab-transition);
            font-family: var(--ab-font-cn);
            font-weight: 500;
            min-width: 42px;
            text-align: center;
        }
        .ab-page-btn:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-page-btn.active {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            border-color: transparent;
            color: #0B2A1D;
            font-weight: 700;
        }
        .ab-page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== CTA SECTION ===== */
        .ab-cta-section {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.92) 0%, rgba(15, 58, 40, 0.96) 100%);
            border: 1px solid rgba(163, 240, 75, 0.18);
            border-radius: var(--ab-radius-xl);
            padding: 3.5rem 2.5rem;
            margin: 3.5rem 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .ab-cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 10%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.16) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: 8%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(214, 161, 92, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
            line-height: 1.4;
            position: relative;
            z-index: 1;
        }
        .ab-cta-desc {
            font-size: 1.05rem;
            color: var(--ab-text-secondary);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }
        .ab-cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== FOOTER ===== */
        .ab-footer {
            background: #080C0A;
            border-top: 1px solid rgba(163, 240, 75, 0.1);
            padding: 4rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .footer-brand .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.92rem;
            line-height: 1.9;
            max-width: 320px;
        }
        .ab-footer h6 {
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1.2rem;
            letter-spacing: 0.5px;
        }
        .ab-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-footer ul li {
            margin-bottom: 0.7rem;
        }
        .ab-footer ul li a {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            transition: color var(--ab-transition);
        }
        .ab-footer ul li a:hover {
            color: var(--ab-energy);
        }
        .ab-footer .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            padding: 0.65rem 1rem;
            outline: none;
            flex: 1;
            transition: border-color var(--ab-transition), box-shadow var(--ab-transition);
            margin-bottom: 0.5rem;
        }
        .ab-footer .ab-hero-form-control::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-footer .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.1);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.82rem;
            color: var(--ab-text-muted);
        }
        .footer-bottom a {
            color: var(--ab-text-muted);
            margin-left: 1.2rem;
            transition: color var(--ab-transition);
        }
        .footer-bottom a:hover {
            color: var(--ab-energy);
        }
        .footer-bottom a:first-child {
            margin-left: 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 991.98px) {
            .ab-navbar .navbar-collapse {
                display: none !important;
            }
            .ab-page-title {
                font-size: 2rem;
            }
            .ab-cta-section {
                padding: 2.5rem 1.5rem;
            }
            .ab-cta-title {
                font-size: 1.6rem;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .ab-page-header {
                padding: 2.5rem 0 1.8rem;
            }
            .ab-page-title {
                font-size: 1.65rem;
            }
            .ab-page-intro {
                font-size: 0.98rem;
            }
            .ab-filter-bar {
                padding: 1rem;
                flex-direction: column;
                align-items: stretch;
            }
            .ab-list-card-body {
                padding: 1.1rem 1.2rem 1.3rem;
            }
            .ab-list-card-title {
                font-size: 1.1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .footer-bottom a {
                margin-left: 0;
                margin-right: 1.2rem;
            }
            .ab-cta-title {
                font-size: 1.4rem;
            }
            .ab-btn-primary,
            .ab-btn-secondary {
                font-size: 0.88rem;
                padding: 0.5rem 1.1rem;
            }
        }

        @media (max-width: 575.98px) {
            .ab-page-title {
                font-size: 1.4rem;
            }
            .ab-page-intro {
                font-size: 0.92rem;
            }
            .ab-list-card-body {
                padding: 1rem 1rem 1.2rem;
            }
            .ab-list-card-summary {
                font-size: 0.88rem;
            }
            .ab-sidebar-widget {
                padding: 1.2rem;
            }
            .ab-pagination {
                gap: 5px;
            }
            .ab-page-btn {
                padding: 0.4rem 0.7rem;
                font-size: 0.85rem;
                min-width: 36px;
            }
            .ab-cta-section {
                padding: 2rem 1rem;
                border-radius: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }

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

        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }

        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1280px;
        }

        /* ----- HEADER / NAV ----- */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }

        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }

        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }

        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }

        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }

        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }

        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }

        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }

        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }

        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border: none;
            padding: 0.65rem 1.5rem;
            border-radius: 14px;
            cursor: pointer;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), filter var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            box-shadow: var(--ab-shadow-btn);
        }

        .ab-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(163, 240, 75, 0.28);
            filter: brightness(1.05);
            color: #0B2A1D;
        }

        .ab-btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.98);
        }

        .ab-btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            padding: 0.65rem 1.5rem;
            border-radius: 14px;
            cursor: pointer;
            transition: background var(--ab-transition), border-color var(--ab-transition), transform var(--ab-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .ab-btn-secondary:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            transform: translateY(-2px);
        }

        /* Offcanvas mobile nav */
        .ab-offcanvas {
            background: var(--ab-neutral-mid);
            border-left: 1px solid var(--ab-border-light);
        }

        .ab-offcanvas .btn-close {
            filter: invert(1);
        }

        .ab-offcanvas .nav-link {
            color: var(--ab-text-primary);
            font-size: 1.1rem;
            padding: 0.8rem 1rem;
            border-radius: 12px;
        }

        .ab-offcanvas .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
        }

        /* ----- PAGE BANNER / BREADCRUMB ----- */
        .ab-page-banner {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.95) 0%, rgba(15, 58, 40, 0.88) 50%, rgba(12, 18, 16, 0.92) 100%);
            border-bottom: 1px solid var(--ab-border-light);
            padding: 4.5rem 0 3.5rem;
            position: relative;
            overflow: hidden;
        }

        .ab-page-banner::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -60px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ab-page-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(214, 161, 92, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ab-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--ab-text-muted);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .ab-breadcrumb a {
            color: var(--ab-text-secondary);
            transition: color var(--ab-transition);
        }

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

        .ab-breadcrumb .separator {
            color: var(--ab-text-muted);
            font-size: 0.75rem;
        }

        .ab-breadcrumb .current {
            color: var(--ab-energy);
            font-weight: 500;
        }

        .ab-page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--ab-text-primary);
            margin-bottom: 1.25rem;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .ab-page-banner h1 .highlight {
            color: var(--ab-energy);
        }

        .ab-page-banner .banner-intro {
            font-size: 1.1rem;
            color: var(--ab-text-secondary);
            max-width: 720px;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }

        /* ----- SECTION BASE ----- */
        .ab-section {
            padding: 4.5rem 0;
            position: relative;
        }

        .ab-section-light {
            background: var(--ab-light-bg);
            color: #1A2320;
        }

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

        .ab-section-mid {
            background: var(--ab-neutral-mid);
        }

        .ab-section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.3px;
            margin-bottom: 1rem;
            line-height: 1.35;
        }

        .ab-section-subtitle {
            font-size: 1.05rem;
            color: var(--ab-text-secondary);
            max-width: 650px;
            line-height: 1.9;
            margin-bottom: 2.5rem;
        }

        .ab-section-light .ab-section-title {
            color: #0F3A28;
        }

        .ab-section-light .ab-section-subtitle {
            color: #4A5A52;
        }

        /* ----- TRAINING INTRO PANEL ----- */
        .ab-intro-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            padding: 2.5rem;
            margin-bottom: 2.5rem;
            display: flex;
            gap: 2.5rem;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .ab-intro-panel .intro-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            flex-shrink: 0;
        }

        .ab-intro-panel .intro-content {
            flex: 1;
            min-width: 260px;
        }

        .ab-intro-panel .intro-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--ab-text-primary);
        }

        .ab-intro-panel .intro-content p {
            color: var(--ab-text-secondary);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: 1rem;
        }

        .ab-metrics-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }

        .ab-metric-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .ab-metric-item .metric-value {
            font-family: var(--ab-font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-energy);
        }

        .ab-metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--ab-text-muted);
        }

        /* ----- TRAINING CARDS ----- */
        .ab-training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1.75rem;
        }

        .ab-training-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            box-shadow: var(--ab-shadow-card);
            display: flex;
            flex-direction: column;
        }

        .ab-training-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.25);
        }

        .ab-training-card .card-image-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #1A2A20;
        }

        .ab-training-card .card-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .ab-training-card:hover .card-image-wrapper img {
            transform: scale(1.06);
        }

        .ab-training-card .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(12, 18, 16, 0.78);
            backdrop-filter: blur(8px);
            color: var(--ab-energy);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            border: 1px solid rgba(163, 240, 75, 0.25);
        }

        .ab-training-card .card-body {
            padding: 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .ab-training-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.7rem;
            line-height: 1.45;
        }

        .ab-training-card .card-body .card-desc {
            color: var(--ab-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
            flex: 1;
        }

        .ab-training-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 1.25rem;
        }

        .ab-training-card .card-meta .meta-date {
            font-size: 0.8rem;
            color: var(--ab-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ab-training-card .card-meta .meta-level {
            font-size: 0.78rem;
            color: var(--ab-copper);
            background: rgba(214, 161, 92, 0.1);
            border: 1px solid rgba(214, 161, 92, 0.2);
            padding: 0.25rem 0.7rem;
            border-radius: 16px;
            font-weight: 500;
        }

        .ab-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ab-energy);
            font-weight: 600;
            font-size: 0.92rem;
            transition: gap var(--ab-transition), color var(--ab-transition);
        }

        .ab-card-link:hover {
            gap: 12px;
            color: var(--ab-energy-soft);
        }

        /* ----- PAGINATION ----- */
        .ab-pagination {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 3rem;
            flex-wrap: wrap;
        }

        .ab-pagination .page-btn {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            color: var(--ab-text-secondary);
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--ab-transition);
            text-decoration: none;
        }

        .ab-pagination .page-btn:hover {
            background: rgba(163, 240, 75, 0.1);
            color: var(--ab-energy);
            border-color: rgba(163, 240, 75, 0.3);
        }

        .ab-pagination .page-btn.active {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            border-color: transparent;
        }

        .ab-pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ----- SIDEBAR ----- */
        .ab-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .ab-sidebar-widget {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.75rem;
        }

        .ab-sidebar-widget h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--ab-border-subtle);
        }

        .ab-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .ab-tag-cloud .tag-item {
            font-size: 0.82rem;
            color: var(--ab-text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            padding: 0.35rem 0.85rem;
            border-radius: 18px;
            transition: all var(--ab-transition);
            text-decoration: none;
        }

        .ab-tag-cloud .tag-item:hover {
            background: rgba(163, 240, 75, 0.1);
            color: var(--ab-energy);
            border-color: rgba(163, 240, 75, 0.3);
        }

        .ab-sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .ab-sidebar-link-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ab-text-secondary);
            font-size: 0.92rem;
            padding: 0.5rem 0.75rem;
            border-radius: 10px;
            transition: all var(--ab-transition);
        }

        .ab-sidebar-link-list li a:hover {
            background: rgba(163, 240, 75, 0.06);
            color: var(--ab-energy);
        }

        .ab-sidebar-link-list li a .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ab-copper);
            flex-shrink: 0;
        }

        .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.92rem;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            width: 100%;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
            outline: none;
            margin-bottom: 0.8rem;
        }

        .ab-hero-form-control::placeholder {
            color: var(--ab-text-muted);
        }

        .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }

        /* ----- CTA SECTION ----- */
        .ab-cta-section {
            background: linear-gradient(135deg, var(--ab-green-deep) 0%, var(--ab-green-dark) 50%, var(--ab-neutral-dark) 100%);
            border-radius: var(--ab-radius-xl);
            padding: 4rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(163, 240, 75, 0.15);
            margin: 4.5rem 0;
        }

        .ab-cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(163, 240, 75, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ab-cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }

        .ab-cta-section p {
            color: var(--ab-text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            position: relative;
            z-index: 1;
            line-height: 1.9;
        }

        .ab-cta-section .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ----- FOOTER ----- */
        .ab-footer {
            background: #0A0E0C;
            border-top: 1px solid var(--ab-border-light);
            padding: 4rem 0 2rem;
            margin-top: 0;
        }

        .ab-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }

        .ab-footer .footer-brand .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1rem;
            color: #0B2A1D;
        }

        .ab-footer .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            line-height: 1.9;
            max-width: 320px;
        }

        .ab-footer h6 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1.25rem;
        }

        .ab-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .ab-footer ul li a {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            transition: color var(--ab-transition);
        }

        .ab-footer ul li a:hover {
            color: var(--ab-energy);
        }

        .ab-footer .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--ab-border-subtle);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--ab-text-muted);
        }

        .ab-footer .footer-bottom a {
            color: var(--ab-text-muted);
            transition: color var(--ab-transition);
        }

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

        .ab-footer .footer-bottom .footer-links {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        /* ----- RESPONSIVE ----- */
        @media (max-width: 992px) {
            .ab-page-banner h1 {
                font-size: 2.4rem;
            }
            .ab-section {
                padding: 3.5rem 0;
            }
            .ab-section-title {
                font-size: 1.8rem;
            }
            .ab-training-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .ab-cta-section {
                padding: 3rem 2rem;
            }
            .ab-cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .ab-page-banner {
                padding: 3.5rem 0 2.5rem;
            }
            .ab-page-banner h1 {
                font-size: 2rem;
            }
            .ab-page-banner .banner-intro {
                font-size: 1rem;
            }
            .ab-section {
                padding: 3rem 0;
            }
            .ab-section-title {
                font-size: 1.6rem;
            }
            .ab-training-grid {
                grid-template-columns: 1fr;
            }
            .ab-intro-panel {
                flex-direction: column;
                gap: 1.5rem;
                padding: 1.75rem;
            }
            .ab-metrics-row {
                gap: 1.25rem;
            }
            .ab-cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--ab-radius-lg);
                margin: 3rem 0;
            }
            .ab-cta-section h2 {
                font-size: 1.6rem;
            }
            .ab-sidebar {
                position: static;
                margin-top: 2.5rem;
            }
            .ab-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .ab-page-banner h1 {
                font-size: 1.7rem;
            }
            .ab-section-title {
                font-size: 1.4rem;
            }
            .ab-training-card .card-body {
                padding: 1.25rem;
            }
            .ab-training-card .card-body h3 {
                font-size: 1.1rem;
            }
            .ab-cta-section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category4 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }
        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1280px;
        }
        .ab-container-narrow {
            max-width: 860px;
        }
        /* ----- HEADER / NAV ----- */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }
        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }
        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }
        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }
        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }
        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }
        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }
        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-kbd {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 6px;
            padding: 2px 6px;
            font-size: 0.75rem;
            color: var(--ab-text-muted);
            white-space: nowrap;
        }
        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border: none;
            border-radius: 14px;
            padding: 0.65rem 1.5rem;
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: var(--ab-shadow-btn);
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), filter var(--ab-transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            white-space: nowrap;
        }
        .ab-btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(163, 240, 75, 0.28);
            color: #0B2A1D;
        }
        .ab-btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.98);
        }
        .ab-btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(163, 240, 75, 0.4);
            color: var(--ab-energy-soft);
            border-radius: 10px;
            padding: 0.35rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            font-family: var(--ab-font-cn);
            transition: all var(--ab-transition);
        }
        .ab-btn-outline-sm:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy);
            color: var(--ab-energy);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 0.4rem 0.6rem;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23A3F04B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        .ab-offcanvas {
            background: #0C1210;
            color: var(--ab-text-primary);
            border-left: 1px solid rgba(163, 240, 75, 0.2);
        }
        .ab-offcanvas .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1rem 1.25rem;
        }
        .ab-offcanvas-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--ab-text-primary);
        }
        .ab-offcanvas .btn-close {
            filter: invert(1) brightness(0.8);
        }
        .ab-mobile-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-mobile-nav li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .ab-mobile-link {
            display: block;
            padding: 0.9rem 1.2rem;
            color: var(--ab-text-secondary);
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--ab-transition);
            border-radius: 0;
        }
        .ab-mobile-link:hover {
            background: rgba(163, 240, 75, 0.06);
            color: var(--ab-text-primary);
        }
        .ab-mobile-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.1);
            font-weight: 600;
            border-left: 3px solid var(--ab-energy);
        }
        .ab-offcanvas-search {
            margin-top: 1.5rem;
            padding: 0 1.2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .ab-offcanvas-search input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 0.65rem 1rem;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            outline: none;
        }
        .ab-offcanvas-search input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-offcanvas-search input:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }
        /* ----- CATEGORY HEADER ----- */
        .ab-category-header {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.95) 0%, rgba(15, 58, 40, 0.85) 50%, rgba(12, 18, 16, 0.95) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 5rem 0 3.5rem 0;
            border-bottom: 1px solid rgba(163, 240, 75, 0.12);
            position: relative;
            overflow: hidden;
        }
        .ab-category-header::after {
            content: '';
            position: absolute;
            right: -10%;
            top: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.12) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .ab-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            padding: 0;
            margin: 0 0 1rem 0;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .ab-breadcrumb li {
            font-size: 0.9rem;
            color: var(--ab-text-muted);
            display: flex;
            align-items: center;
        }
        .ab-breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 6px;
            color: rgba(255, 255, 255, 0.3);
        }
        .ab-breadcrumb a {
            color: var(--ab-energy-soft);
        }
        .ab-breadcrumb a:hover {
            color: var(--ab-energy);
        }
        .ab-category-header h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }
        .ab-category-header .ab-lead {
            font-size: 1.1rem;
            color: var(--ab-text-secondary);
            max-width: 780px;
            line-height: 1.85;
            position: relative;
            z-index: 1;
            margin-bottom: 0;
        }
        /* ----- CATEGORY MAIN ----- */
        .ab-category-main {
            padding: 3.5rem 0 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-filter-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--ab-radius-md);
        }
        .ab-filter-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .ab-filter-label {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            margin-right: 4px;
        }
        .ab-filter-tag {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--ab-text-secondary);
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            font-size: 0.85rem;
            font-family: var(--ab-font-cn);
            cursor: pointer;
            transition: all var(--ab-transition);
        }
        .ab-filter-tag:hover {
            border-color: var(--ab-energy-soft);
            color: var(--ab-text-primary);
        }
        .ab-filter-tag.active {
            background: rgba(163, 240, 75, 0.12);
            border-color: var(--ab-energy);
            color: var(--ab-energy);
            font-weight: 600;
        }
        .ab-select {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--ab-text-primary);
            border-radius: 10px;
            padding: 0.45rem 1rem;
            font-size: 0.9rem;
            font-family: var(--ab-font-cn);
            cursor: pointer;
            outline: none;
            transition: border-color var(--ab-transition);
        }
        .ab-select:hover,
        .ab-select:focus {
            border-color: var(--ab-energy-soft);
        }
        .ab-news-grid {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .ab-news-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            box-shadow: var(--ab-shadow-card);
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .ab-news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.25);
        }
        .ab-news-card-featured {
            border-radius: var(--ab-radius-xl);
        }
        .ab-news-card-featured .ab-news-img-wrap {
            height: 100%;
            min-height: 280px;
        }
        .ab-news-card-featured .ab-news-content {
            padding: 2rem;
        }
        .ab-news-img-wrap {
            position: relative;
            overflow: hidden;
            border-radius: var(--ab-radius-lg) 0 0 var(--ab-radius-lg);
            flex: 1;
            min-height: 200px;
        }
        .ab-news-card:not(.ab-news-card-featured) .ab-news-img-wrap {
            border-radius: var(--ab-radius-lg) var(--ab-radius-lg) 0 0;
            min-height: 200px;
        }
        .ab-news-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .ab-news-card:hover .ab-news-img {
            transform: scale(1.04);
        }
        .ab-news-content {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            flex: 1;
        }
        .ab-tag {
            display: inline-block;
            background: rgba(163, 240, 75, 0.1);
            color: var(--ab-energy);
            border: 1px solid rgba(163, 240, 75, 0.2);
            border-radius: 20px;
            padding: 0.2rem 0.75rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            align-self: flex-start;
        }
        .ab-badge-date {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(12, 18, 16, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 0.5rem 0.7rem;
            text-align: center;
            font-family: var(--ab-font-num);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--ab-copper);
            line-height: 1.1;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
            pointer-events: none;
        }
        .ab-badge-date span {
            display: block;
            font-size: 0.7rem;
            color: var(--ab-text-secondary);
            font-weight: 500;
        }
        .ab-news-content h2,
        .ab-news-content h3 {
            font-weight: 700;
            color: var(--ab-text-primary);
            line-height: 1.5;
            margin-bottom: 0.3rem;
            font-size: 1.2rem;
        }
        .ab-news-content h2 {
            font-size: 1.6rem;
        }
        .ab-news-content p {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            flex: 1;
        }
        .ab-news-content .ab-btn-outline-sm {
            align-self: flex-start;
            margin-top: 0.5rem;
        }
        /* ----- PAGINATION ----- */
        .ab-pagination-wrap {
            margin-top: 2.5rem;
        }
        .ab-pagination {
            display: flex;
            list-style: none;
            padding: 0;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ab-page-item .ab-page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--ab-text-secondary);
            border-radius: 10px;
            min-width: 40px;
            height: 40px;
            padding: 0 0.8rem;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--ab-transition);
            gap: 4px;
        }
        .ab-page-item .ab-page-link:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy-soft);
            color: var(--ab-text-primary);
        }
        .ab-page-item.active .ab-page-link {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            border: none;
        }
        .ab-page-item.disabled .ab-page-link {
            opacity: 0.45;
            pointer-events: none;
        }
        /* ----- SIDEBAR ----- */
        .ab-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: sticky;
            top: 90px;
        }
        .ab-sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--ab-radius-lg);
            padding: 1.5rem;
        }
        .ab-sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .ab-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ab-tag-chip {
            display: inline-block;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 0.25rem 0.85rem;
            font-size: 0.82rem;
            color: var(--ab-text-secondary);
            transition: all var(--ab-transition);
        }
        .ab-tag-chip:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            transform: translateY(-2px);
        }
        .ab-related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-related-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.55rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .ab-related-list li:last-child {
            border-bottom: none;
        }
        .ab-related-list a {
            color: var(--ab-text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .ab-related-list a:hover {
            color: var(--ab-energy);
        }
        .ab-related-list span {
            color: var(--ab-energy-soft);
            opacity: 0.6;
            font-size: 0.9rem;
        }
        .ab-subscribe-card p {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 0.65rem 1rem;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            width: 100%;
            transition: border-color var(--ab-transition), box-shadow var(--ab-transition), background var(--ab-transition);
        }
        .ab-hero-form-control::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
            background: rgba(255, 255, 255, 0.07);
        }
        /* ----- FAQ SECTION ----- */
        .ab-faq-section {
            padding: 4rem 0;
            background: rgba(15, 58, 40, 0.45);
            border-top: 1px solid rgba(163, 240, 75, 0.1);
            border-bottom: 1px solid rgba(163, 240, 75, 0.1);
        }
        .ab-faq-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 2rem;
            text-align: center;
        }
        .ab-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--ab-radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
        }
        .ab-accordion .accordion-button {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 1.2rem 1.4rem;
            border: none;
            outline: none;
            box-shadow: none;
            transition: color var(--ab-transition), background var(--ab-transition);
        }
        .ab-accordion .accordion-button:not(.collapsed) {
            background: rgba(163, 240, 75, 0.06);
            color: var(--ab-energy);
        }
        .ab-accordion .accordion-button::after {
            filter: invert(1) brightness(0.7);
            transition: transform var(--ab-transition);
        }
        .ab-accordion .accordion-button:not(.collapsed)::after {
            filter: invert(0.8) sepia(1) saturate(300%) hue-rotate(45deg);
        }
        .ab-accordion .accordion-button:focus-visible {
            border-radius: var(--ab-radius-md);
        }
        .ab-accordion .accordion-body {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            padding: 1.2rem 1.4rem;
            background: rgba(0, 0, 0, 0.15);
        }
        /* ----- CTA SECTION ----- */
        .ab-cta-section {
            padding: 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-cta-card {
            background: linear-gradient(135deg, rgba(15, 58, 40, 0.9) 0%, rgba(11, 42, 29, 0.95) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-radius: var(--ab-radius-xl);
            padding: 3.5rem 2.5rem;
            text-align: center;
            border: 1px solid rgba(163, 240, 75, 0.2);
            box-shadow: var(--ab-shadow-card);
        }
        .ab-cta-card h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }
        .ab-cta-card p {
            color: var(--ab-text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 1.8rem auto;
        }
        .ab-cta-card .ab-hero-form-control {
            max-width: 340px;
        }
        /* ----- FOOTER ----- */
        .ab-footer {
            background: #060A08;
            border-top: 1px solid rgba(163, 240, 75, 0.12);
            padding: 4rem 0 1.5rem 0;
            color: var(--ab-text-secondary);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }
        .footer-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
        }
        .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .ab-footer h6 {
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .ab-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-footer ul li {
            margin-bottom: 0.55rem;
        }
        .ab-footer ul li a {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            transition: color var(--ab-transition);
        }
        .ab-footer ul li a:hover {
            color: var(--ab-energy);
        }
        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: var(--ab-text-muted);
        }
        .footer-bottom a {
            color: var(--ab-text-muted);
            margin-right: 1rem;
        }
        .footer-bottom a:hover {
            color: var(--ab-energy);
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        /* ----- RESPONSIVE ----- */
        @media (max-width: 1024px) {
            .ab-search-box {
                min-width: 140px;
            }
            .ab-navbar .nav-link {
                padding: 0.5rem 0.7rem;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 768px) {
            .ab-category-header {
                padding: 3.5rem 0 2.5rem 0;
            }
            .ab-category-header h1 {
                font-size: 1.8rem;
            }
            .ab-category-header .ab-lead {
                font-size: 1rem;
            }
            .ab-news-card-featured .ab-news-img-wrap {
                border-radius: var(--ab-radius-lg) var(--ab-radius-lg) 0 0;
                min-height: 220px;
            }
            .ab-news-card-featured .ab-news-content {
                padding: 1.25rem;
            }
            .ab-news-card-featured .ab-news-content h2 {
                font-size: 1.3rem;
            }
            .ab-sidebar {
                position: static;
                top: auto;
            }
            .ab-cta-card {
                padding: 2.5rem 1.5rem;
            }
            .ab-cta-card h2 {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .footer-bottom span {
                white-space: normal;
            }
        }
        @media (max-width: 520px) {
            .ab-category-header h1 {
                font-size: 1.5rem;
            }
            .ab-category-header {
                padding: 2.5rem 0 2rem 0;
            }
            .ab-news-card {
                border-radius: 20px;
            }
            .ab-news-card-featured {
                border-radius: 20px;
            }
            .ab-news-img-wrap {
                border-radius: 20px 20px 0 0 !important;
            }
            .ab-news-content h2 {
                font-size: 1.2rem;
            }
            .ab-news-content h3 {
                font-size: 1.05rem;
            }
            .ab-breadcrumb li {
                font-size: 0.8rem;
            }
            .ab-filter-row {
                padding: 0.75rem;
            }
            .ab-select {
                width: 100%;
            }
            .ab-page-item .ab-page-link {
                min-width: 36px;
                height: 36px;
                font-size: 0.82rem;
                padding: 0 0.5rem;
            }
            .ab-sidebar-card {
                padding: 1.1rem;
            }
        }

/* roulang page: category5 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }
        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1280px;
        }

        /* ----- HEADER / NAV ----- */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }
        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }
        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }
        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }
        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }
        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }
        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }
        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-kbd {
            font-family: var(--ab-font-num);
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--ab-text-muted);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 4px;
            padding: 0.15rem 0.4rem;
            white-space: nowrap;
        }
        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            border: none;
            border-radius: var(--ab-radius-sm);
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
            transition: all var(--ab-transition);
            box-shadow: var(--ab-shadow-btn);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            min-height: 42px;
        }
        .ab-btn-primary:hover {
            background: linear-gradient(135deg, #B7FF5F 0%, #6EEB9E 100%);
            color: #0B2A1D;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(163, 240, 75, 0.28);
        }
        .ab-btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--ab-shadow-btn);
        }
        .ab-btn-outline {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--ab-radius-sm);
            padding: 0.55rem 1.4rem;
            font-size: 0.9rem;
            transition: all var(--ab-transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            min-height: 42px;
        }
        .ab-btn-outline:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
            transform: translateY(-2px);
        }

        /* ----- MOBILE NAV ----- */
        .offcanvas {
            background: var(--ab-neutral-dark);
            border-left: 1px solid var(--ab-border-light);
        }
        .offcanvas-header {
            border-bottom: 1px solid var(--ab-border-light);
        }
        .offcanvas-body .nav-link {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            color: var(--ab-text-secondary);
            font-weight: 500;
            transition: all var(--ab-transition);
            margin-bottom: 0.25rem;
        }
        .offcanvas-body .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--ab-text-primary);
        }
        .offcanvas-body .nav-link.active {
            background: rgba(163, 240, 75, 0.08);
            color: var(--ab-energy);
        }
        .ab-navbar .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 0.4rem 0.7rem;
            color: var(--ab-text-primary);
        }
        .ab-navbar .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--ab-energy-soft);
        }
        .ab-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28245, 247, 244, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ----- PAGE HEADER / BREADCRUMB ----- */
        .ab-page-header {
            background: linear-gradient(180deg, rgba(11, 42, 29, 0.75) 0%, rgba(12, 18, 16, 0.95) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 5rem 0 3.5rem;
            position: relative;
        }
        .ab-page-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(163, 240, 75, 0.2), transparent);
        }
        .ab-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--ab-text-muted);
            margin-bottom: 1.5rem;
        }
        .ab-breadcrumb a {
            color: var(--ab-text-muted);
            transition: color var(--ab-transition);
        }
        .ab-breadcrumb a:hover {
            color: var(--ab-energy);
        }
        .ab-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .ab-breadcrumb .current {
            color: var(--ab-energy-soft);
            font-weight: 600;
        }
        .ab-page-header h1 {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }
        .ab-page-header .lead {
            color: var(--ab-text-secondary);
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 780px;
            margin-bottom: 0;
        }
        .ab-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 1.5rem;
        }
        .ab-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--ab-border-light);
            border-radius: 50px;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            color: var(--ab-text-secondary);
            font-weight: 500;
            transition: all var(--ab-transition);
        }
        .ab-badge-pill:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-badge-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--ab-energy-soft);
            flex-shrink: 0;
        }

        /* ----- LIST SECTION ----- */
        .ab-list-section {
            padding: 4rem 0;
        }
        .ab-card-horizontal {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            margin-bottom: 1.5rem;
            transition: all var(--ab-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .ab-card-horizontal:hover {
            border-color: rgba(163, 240, 75, 0.25);
            box-shadow: var(--ab-shadow-card-hover);
            transform: translateY(-4px);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-card-horizontal .card-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            flex-shrink: 0;
        }
        .ab-card-horizontal .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .ab-card-horizontal:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .ab-card-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 42, 29, 0.88);
            backdrop-filter: blur(8px);
            color: var(--ab-energy);
            font-size: 0.72rem;
            font-weight: 700;
            border-radius: 20px;
            padding: 0.25rem 0.75rem;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .ab-card-date-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(11, 42, 29, 0.88);
            backdrop-filter: blur(8px);
            color: var(--ab-copper);
            font-size: 0.72rem;
            font-weight: 700;
            border-radius: 8px;
            padding: 0.3rem 0.6rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.3;
            z-index: 2;
        }
        .ab-card-date-badge .day {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--ab-text-primary);
        }
        .ab-card-date-badge .month {
            font-size: 0.65rem;
            color: var(--ab-text-secondary);
        }
        .ab-card-horizontal .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ab-card-horizontal .card-title {
            font-family: var(--ab-font-cn);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--ab-text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.5;
            transition: color var(--ab-transition);
        }
        .ab-card-horizontal:hover .card-title {
            color: var(--ab-energy);
        }
        .ab-card-horizontal .card-text {
            color: var(--ab-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }
        .ab-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 0.75rem;
            border-top: 1px solid var(--ab-border-subtle);
        }
        .ab-card-meta .tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ab-card-meta .tag {
            font-size: 0.72rem;
            color: var(--ab-text-muted);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 6px;
            padding: 0.2rem 0.5rem;
        }
        .ab-btn-read {
            color: var(--ab-energy-soft);
            font-weight: 600;
            font-size: 0.82rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--ab-transition);
            white-space: nowrap;
        }
        .ab-btn-read:hover {
            color: var(--ab-energy);
            gap: 8px;
        }

        /* ----- SIDEBAR ----- */
        .ab-sidebar {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .ab-sidebar h5 {
            font-family: var(--ab-font-cn);
            font-weight: 700;
            font-size: 1rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .ab-sidebar h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 36px;
            height: 2px;
            background: var(--ab-energy-soft);
            border-radius: 2px;
        }
        .ab-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ab-tag-cloud a {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--ab-text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: 20px;
            padding: 0.3rem 0.8rem;
            transition: all var(--ab-transition);
        }
        .ab-tag-cloud a:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-related-list li {
            border-bottom: 1px solid var(--ab-border-subtle);
        }
        .ab-related-list li:last-child {
            border-bottom: none;
        }
        .ab-related-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            color: var(--ab-text-secondary);
            font-size: 0.88rem;
            transition: all var(--ab-transition);
        }
        .ab-related-list a:hover {
            color: var(--ab-energy);
            padding-left: 6px;
        }
        .ab-sidebar .form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-sm);
            color: var(--ab-text-primary);
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            transition: all var(--ab-transition);
            margin-bottom: 0.75rem;
        }
        .ab-sidebar .form-control:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
            background: rgba(255, 255, 255, 0.07);
            color: var(--ab-text-primary);
        }
        .ab-sidebar .form-control::placeholder {
            color: var(--ab-text-muted);
        }

        /* ----- PAGINATION ----- */
        .ab-pagination-section {
            padding: 1rem 0 3rem;
        }
        .ab-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ab-pagination .page-link {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--ab-border-light);
            border-radius: 10px;
            color: var(--ab-text-secondary);
            font-weight: 500;
            font-size: 0.85rem;
            padding: 0.5rem 1rem;
            min-width: 40px;
            text-align: center;
            transition: all var(--ab-transition);
        }
        .ab-pagination .page-link:hover {
            background: rgba(163, 240, 75, 0.08);
            border-color: rgba(163, 240, 75, 0.3);
            color: var(--ab-energy);
        }
        .ab-pagination .page-link.active {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            border-color: transparent;
            font-weight: 700;
        }
        .ab-pagination .page-link.disabled {
            color: var(--ab-text-muted);
            pointer-events: none;
            opacity: 0.5;
        }

        /* ----- CTA SECTION ----- */
        .ab-cta-section {
            padding: 5rem 0;
        }
        .ab-cta-card {
            background: linear-gradient(135deg, #0B2A1D 0%, #0F3A28 45%, #1A4A35 100%);
            border: 1px solid rgba(163, 240, 75, 0.2);
            border-radius: var(--ab-radius-xl);
            padding: 3rem;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
        }
        .ab-cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .ab-cta-card::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(214, 161, 92, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .ab-cta-card h2 {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 2rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .ab-cta-card p {
            color: var(--ab-text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }
        .ab-cta-card .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-sm);
            color: var(--ab-text-primary);
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            font-family: var(--ab-font-cn);
            transition: all var(--ab-transition);
            min-width: 220px;
        }
        .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
            background: rgba(255, 255, 255, 0.08);
            color: var(--ab-text-primary);
            outline: none;
        }
        .ab-hero-form-control::placeholder {
            color: var(--ab-text-muted);
        }

        /* ----- FOOTER ----- */
        .ab-footer {
            background: #080C0A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4rem 0 0;
            margin-top: 2rem;
        }
        .ab-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        .ab-footer .footer-brand span:last-child {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--ab-text-primary);
        }
        .ab-footer .footer-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
        }
        .ab-footer .footer-desc {
            color: var(--ab-text-muted);
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .ab-footer h6 {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .ab-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ab-footer ul li {
            margin-bottom: 0.5rem;
        }
        .ab-footer ul a {
            color: var(--ab-text-muted);
            font-size: 0.85rem;
            transition: all var(--ab-transition);
        }
        .ab-footer ul a:hover {
            color: var(--ab-energy);
            padding-left: 4px;
        }
        .ab-footer .footer-bottom {
            border-top: 1px solid var(--ab-border-subtle);
            padding: 1.5rem 0;
            margin-top: 2.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            text-align: center;
            font-size: 0.78rem;
            color: var(--ab-text-muted);
        }
        .ab-footer .footer-bottom a {
            color: var(--ab-text-muted);
            transition: color var(--ab-transition);
        }
        .ab-footer .footer-bottom a:hover {
            color: var(--ab-energy);
        }
        .ab-footer .footer-bottom .footer-links {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ----- RESPONSIVE ----- */
        @media (max-width: 991px) {
            .ab-page-header {
                padding: 3.5rem 0 2.5rem;
            }
            .ab-page-header h1 {
                font-size: 2.2rem;
            }
            .ab-page-header .lead {
                font-size: 1rem;
            }
            .ab-cta-card {
                padding: 2rem;
            }
            .ab-cta-card h2 {
                font-size: 1.5rem;
            }
            .ab-search-box {
                min-width: 140px;
            }
        }
        @media (max-width: 767px) {
            .ab-page-header {
                padding: 2.5rem 0 2rem;
            }
            .ab-page-header h1 {
                font-size: 1.7rem;
            }
            .ab-page-header .lead {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .ab-card-horizontal .card-img-wrap {
                aspect-ratio: 16/9;
            }
            .ab-list-section {
                padding: 2.5rem 0;
            }
            .ab-cta-section {
                padding: 3rem 0;
            }
            .ab-cta-card {
                padding: 1.5rem;
                border-radius: var(--ab-radius-lg);
            }
            .ab-footer {
                padding: 2.5rem 0 0;
            }
            .ab-footer .footer-bottom {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width: 575px) {
            .ab-page-header h1 {
                font-size: 1.4rem;
            }
            .ab-card-horizontal .card-body {
                padding: 1.1rem;
            }
            .ab-card-horizontal .card-title {
                font-size: 1rem;
            }
            .ab-card-horizontal .card-text {
                font-size: 0.82rem;
            }
            .ab-sidebar {
                padding: 1.2rem;
            }
            .ab-cta-card h2 {
                font-size: 1.3rem;
            }
            .ab-btn-primary,
            .ab-btn-outline {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
                min-height: 38px;
            }
            .ab-hero-form-control {
                min-width: 100%;
            }
            .ab-navbar .navbar-brand {
                font-size: 1.2rem;
            }
            .ab-navbar .navbar-brand .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
        }

/* roulang page: category6 */
:root {
            --ab-green-dark: #0B2A1D;
            --ab-green-deep: #0F3A28;
            --ab-green-soft: #1A4A35;
            --ab-energy: #A3F04B;
            --ab-energy-soft: #57E389;
            --ab-copper: #D6A15C;
            --ab-neutral-dark: #0C1210;
            --ab-neutral-mid: #101614;
            --ab-light-bg: #F4F7F2;
            --ab-text-primary: #F5F7F4;
            --ab-text-secondary: #A8B5AD;
            --ab-text-muted: #7A8A80;
            --ab-border-light: rgba(255, 255, 255, 0.08);
            --ab-border-subtle: rgba(255, 255, 255, 0.05);
            --ab-radius-sm: 12px;
            --ab-radius-md: 20px;
            --ab-radius-lg: 28px;
            --ab-radius-xl: 36px;
            --ab-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.22);
            --ab-shadow-card-hover: 0 24px 60px rgba(0, 0, 0, 0.38);
            --ab-shadow-btn: 0 6px 18px rgba(163, 240, 75, 0.18);
            --ab-font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --ab-font-num: 'DIN Alternate', 'Bahnschrift', 'Inter', sans-serif;
            --ab-transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--ab-font-cn);
            color: var(--ab-text-primary);
            background-color: var(--ab-neutral-dark);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 400;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--ab-energy-soft);
            text-decoration: none;
            transition: color var(--ab-transition);
        }
        a:hover {
            color: var(--ab-energy);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1280px;
        }
        /* ----- HEADER / NAV ----- */
        .ab-navbar {
            background: rgba(12, 18, 16, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 240, 75, 0.18);
            padding: 0.65rem 0;
            transition: background var(--ab-transition), box-shadow var(--ab-transition);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .ab-navbar.scrolled {
            background: rgba(12, 18, 16, 0.96);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.45);
        }
        .ab-navbar .navbar-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ab-navbar .navbar-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .ab-navbar .nav-link {
            font-family: var(--ab-font-cn);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ab-text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: color var(--ab-transition), background var(--ab-transition);
            white-space: nowrap;
        }
        .ab-navbar .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-navbar .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            font-weight: 600;
        }
        .ab-navbar .nav-link.active::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--ab-energy);
            border-radius: 2px;
            margin-top: 2px;
        }
        .ab-search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 12px;
            padding: 0.35rem 0.7rem;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--ab-transition), background var(--ab-transition), box-shadow var(--ab-transition);
        }
        .ab-search-box:focus-within {
            border-color: var(--ab-energy-soft);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(163, 240, 75, 0.08);
        }
        .ab-search-box input {
            background: transparent;
            border: none;
            color: var(--ab-text-primary);
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }
        .ab-search-box input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-kbd {
            font-family: var(--ab-font-num);
            font-size: 0.75rem;
            color: var(--ab-text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 0.1rem 0.45rem;
            white-space: nowrap;
        }
        .ab-btn-primary {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            font-weight: 700;
            font-family: var(--ab-font-cn);
            font-size: 0.9rem;
            border: none;
            border-radius: var(--ab-radius-sm);
            padding: 0.6rem 1.5rem;
            box-shadow: var(--ab-shadow-btn);
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), filter var(--ab-transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            white-space: nowrap;
            min-height: 44px;
        }
        .ab-btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(163, 240, 75, 0.26);
            color: #0B2A1D;
        }
        .ab-btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--ab-shadow-btn);
        }
        .ab-btn-outline {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 600;
            font-family: var(--ab-font-cn);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--ab-radius-sm);
            padding: 0.6rem 1.5rem;
            transition: background var(--ab-transition), border-color var(--ab-transition), color var(--ab-transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
        }
        .ab-btn-outline:hover {
            background: rgba(163, 240, 75, 0.1);
            border-color: var(--ab-energy-soft);
            color: var(--ab-energy);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 0.4rem 0.6rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(245,247,244,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .ab-offcanvas {
            background: var(--ab-neutral-mid);
            color: var(--ab-text-primary);
        }
        .ab-offcanvas .nav-link {
            color: var(--ab-text-secondary);
            padding: 0.75rem 1rem;
            border-radius: 10px;
            font-size: 1rem;
        }
        .ab-offcanvas .nav-link:hover {
            color: var(--ab-text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .ab-offcanvas .nav-link.active {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
        }
        .ab-offcanvas .btn-close {
            filter: invert(1) brightness(0.8);
        }
        /* ----- BREADCRUMB / PAGE HEADER ----- */
        .ab-breadcrumb-wrap {
            padding: 2rem 0 0.5rem;
        }
        .ab-breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--ab-text-muted);
        }
        .ab-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .ab-breadcrumb li a {
            color: var(--ab-text-secondary);
            transition: color var(--ab-transition);
        }
        .ab-breadcrumb li a:hover {
            color: var(--ab-energy);
        }
        .ab-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--ab-text-muted);
            margin-left: 0.5rem;
        }
        .ab-breadcrumb li:last-child {
            color: var(--ab-energy-soft);
            font-weight: 600;
        }
        .ab-page-header {
            padding: 3rem 0 2rem;
            background: linear-gradient(180deg, rgba(11, 42, 29, 0.6) 0%, var(--ab-neutral-dark) 100%);
            border-bottom: 1px solid var(--ab-border-light);
            position: relative;
            overflow: hidden;
        }
        .ab-page-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(163, 240, 75, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .ab-page-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
        .ab-page-header .ab-subtitle {
            font-size: 1.05rem;
            color: var(--ab-text-secondary);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        /* ----- BRAND NARRATIVE ----- */
        .ab-brand-narrative {
            padding: 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-narrative-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
        }
        .ab-narrative-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.2);
        }
        .ab-narrative-card .ab-narrative-text {
            color: var(--ab-text-secondary);
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 1.2rem;
        }
        .ab-narrative-card .ab-narrative-text strong {
            color: var(--ab-text-primary);
            font-weight: 700;
        }
        .ab-section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--ab-energy);
            margin-bottom: 0.75rem;
            padding: 0.25rem 0.9rem;
            background: rgba(163, 240, 75, 0.08);
            border-radius: 30px;
            border: 1px solid rgba(163, 240, 75, 0.15);
        }
        .ab-section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: 0.3px;
        }
        /* ----- MILESTONES / TIMELINE ----- */
        .ab-milestones {
            padding: 4rem 0;
            background: var(--ab-neutral-mid);
            border-top: 1px solid var(--ab-border-light);
            border-bottom: 1px solid var(--ab-border-light);
        }
        .ab-timeline {
            position: relative;
            padding-left: 2rem;
        }
        .ab-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--ab-energy) 0%, rgba(163, 240, 75, 0.1) 100%);
            border-radius: 2px;
        }
        .ab-timeline-item {
            position: relative;
            padding: 0 0 2rem 2rem;
        }
        .ab-timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.4rem;
            width: 14px;
            height: 14px;
            background: var(--ab-energy);
            border-radius: 50%;
            border: 3px solid var(--ab-neutral-dark);
            box-shadow: 0 0 0 3px rgba(163, 240, 75, 0.3);
        }
        .ab-timeline-item .ab-timeline-date {
            font-family: var(--ab-font-num);
            font-size: 0.9rem;
            color: var(--ab-copper);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 0.4rem;
        }
        .ab-timeline-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.4rem;
        }
        .ab-timeline-item p {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.7;
        }
        /* ----- NEWS / UPDATES LIST ----- */
        .ab-updates-section {
            padding: 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-update-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            margin-bottom: 1.5rem;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
            height: 100%;
        }
        .ab-update-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card-hover);
            border-color: rgba(163, 240, 75, 0.2);
        }
        .ab-update-card .ab-update-img {
            aspect-ratio: 16 / 9;
            object-fit: cover;
            width: 100%;
        }
        .ab-update-card .ab-update-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ab-update-card .ab-update-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
        }
        .ab-update-card .ab-update-date {
            font-family: var(--ab-font-num);
            font-size: 0.8rem;
            color: var(--ab-copper);
            font-weight: 700;
            background: rgba(214, 161, 92, 0.1);
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
        }
        .ab-update-card .ab-update-tag {
            font-size: 0.8rem;
            color: var(--ab-energy-soft);
            background: rgba(87, 227, 137, 0.08);
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            border: 1px solid rgba(87, 227, 137, 0.15);
        }
        .ab-update-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.6rem;
            line-height: 1.5;
        }
        .ab-update-card p {
            color: var(--ab-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }
        .ab-update-card .ab-read-more {
            color: var(--ab-energy);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--ab-transition), color var(--ab-transition);
            align-self: flex-start;
        }
        .ab-update-card .ab-read-more:hover {
            gap: 12px;
            color: var(--ab-energy-soft);
        }
        /* ----- SIDEBAR ----- */
        .ab-sidebar {
            position: sticky;
            top: 100px;
        }
        .ab-sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .ab-sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--ab-border-light);
        }
        .ab-sidebar-card .ab-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .ab-sidebar-card .ab-tag {
            font-size: 0.8rem;
            color: var(--ab-text-secondary);
            background: rgba(255, 255, 255, 0.05);
            padding: 0.3rem 0.9rem;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: color var(--ab-transition), background var(--ab-transition), border-color var(--ab-transition);
        }
        .ab-sidebar-card .ab-tag:hover {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.08);
            border-color: rgba(163, 240, 75, 0.2);
        }
        .ab-sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ab-sidebar-card ul li {
            margin-bottom: 0.6rem;
        }
        .ab-sidebar-card ul li a {
            color: var(--ab-text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color var(--ab-transition);
        }
        .ab-sidebar-card ul li a:hover {
            color: var(--ab-energy);
        }
        .ab-sidebar-card ul li a::before {
            content: '›';
            color: var(--ab-copper);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .ab-subscribe-form {
            display: flex;
            gap: 0.5rem;
        }
        .ab-subscribe-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--ab-radius-sm);
            color: var(--ab-text-primary);
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--ab-transition);
            min-width: 0;
        }
        .ab-subscribe-form input:focus {
            border-color: var(--ab-energy-soft);
        }
        .ab-subscribe-form input::placeholder {
            color: var(--ab-text-muted);
        }
        .ab-subscribe-form button {
            flex-shrink: 0;
        }
        /* ----- PAGINATION ----- */
        .ab-pagination {
            display: flex;
            gap: 0.4rem;
            justify-content: center;
            margin-top: 2rem;
            flex-wrap: wrap;
        }
        .ab-pagination .page-link {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--ab-text-secondary);
            border-radius: 10px;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background var(--ab-transition), color var(--ab-transition), border-color var(--ab-transition);
        }
        .ab-pagination .page-link:hover {
            background: rgba(163, 240, 75, 0.08);
            color: var(--ab-energy);
            border-color: rgba(163, 240, 75, 0.2);
        }
        .ab-pagination .page-item.active .page-link {
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-energy-soft) 100%);
            color: #0B2A1D;
            border-color: transparent;
            font-weight: 700;
        }
        .ab-pagination .page-item.disabled .page-link {
            color: var(--ab-text-muted);
            opacity: 0.5;
            pointer-events: none;
        }
        /* ----- VALUES ----- */
        .ab-values {
            padding: 4rem 0;
            background: var(--ab-neutral-mid);
            border-top: 1px solid var(--ab-border-light);
        }
        .ab-value-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md);
            padding: 1.5rem;
            height: 100%;
            transition: transform var(--ab-transition), box-shadow var(--ab-transition), border-color var(--ab-transition);
        }
        .ab-value-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--ab-shadow-card);
            border-color: rgba(163, 240, 75, 0.2);
        }
        .ab-value-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 0.5rem;
        }
        .ab-value-item p {
            font-size: 0.9rem;
            color: var(--ab-text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        /* ----- FAQ ----- */
        .ab-faq-section {
            padding: 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-faq-section .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--ab-border-light);
            border-radius: var(--ab-radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .ab-faq-section .accordion-button {
            background: transparent;
            color: var(--ab-text-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 1.2rem 1.5rem;
            border: none;
            box-shadow: none;
            font-family: var(--ab-font-cn);
            transition: color var(--ab-transition), background var(--ab-transition);
        }
        .ab-faq-section .accordion-button:not(.collapsed) {
            color: var(--ab-energy);
            background: rgba(163, 240, 75, 0.04);
        }
        .ab-faq-section .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--ab-energy-soft);
            outline-offset: -2px;
        }
        .ab-faq-section .accordion-button::after {
            filter: invert(1) brightness(0.7);
        }
        .ab-faq-section .accordion-button:not(.collapsed)::after {
            filter: invert(0.8) sepia(0.5) hue-rotate(50deg) brightness(1.2);
            transform: rotate(-180deg);
        }
        .ab-faq-section .accordion-body {
            color: var(--ab-text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            padding: 1rem 1.5rem 1.5rem;
            border-top: 1px solid var(--ab-border-light);
        }
        /* ----- CTA ----- */
        .ab-cta-section {
            padding: 4rem 0;
            background: var(--ab-neutral-dark);
        }
        .ab-cta-card {
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.9) 0%, rgba(15, 58, 40, 0.8) 50%, rgba(26, 74, 53, 0.7) 100%);
            border: 1px solid rgba(163, 240, 75, 0.2);
            border-radius: var(--ab-radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
        }
        .ab-cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 42, 29, 0.92) 0%, rgba(15, 58, 40, 0.78) 100%);
            border-radius: inherit;
            z-index: 0;
        }
        .ab-cta-card > * {
            position: relative;
            z-index: 1;
        }
        .ab-cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ab-text-primary);
            margin-bottom: 1rem;
        }
        .ab-cta-card p {
            color: var(--ab-text-secondary);
            font-size: 1rem;
            max-width: 640px;
            margin: 0 auto 1.75rem;
            line-height: 1.8;
        }
        .ab-cta-card .ab-btn-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ----- FOOTER ----- */
        .ab-footer {
            background: var(--ab-green-dark);
            border-top: 1px solid rgba(163, 240, 75, 0.15);
            padding: 4rem 0 1.5rem;
            color: var(--ab-text-secondary);
        }
        .ab-footer .footer-brand {
            font-family: var(--ab-font-cn);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--ab-text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        .ab-footer .footer-brand .brand-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ab-energy) 0%, var(--ab-green-soft) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #0B2A1D;
            flex-shrink: 0;
        }
        .ab-footer .footer-desc {
            font-size: 0.9rem;
            color: var(--ab-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .ab-footer h6 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ab-text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: 0.5px;
        }
        .ab-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .ab-footer ul li {
            margin-bottom: 0.65rem;
        }
        .ab-footer ul li a {
            color: var(--ab-text-muted);
            font-size: 0.9rem;
            transition: color var(--ab-transition);
        }
        .ab-footer ul li a:hover {
            color: var(--ab-energy);
        }
        .ab-footer .ab-hero-form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--ab-radius-sm);
            color: var(--ab-text-primary);
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            outline: none;
            flex: 1;
            min-width: 0;
            transition: border-color var(--ab-transition);
        }
        .ab-footer .ab-hero-form-control:focus {
            border-color: var(--ab-energy-soft);
        }
        .ab-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 3rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--ab-text-muted);
        }
        .ab-footer .footer-bottom a {
            color: var(--ab-text-muted);
            transition: color var(--ab-transition);
        }
        .ab-footer .footer-bottom a:hover {
            color: var(--ab-energy);
        }
        .ab-footer .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .ab-footer .footer-bottom span span {
            gap: 0.25rem;
        }
        /* ----- RESPONSIVE ----- */
        @media (max-width: 991.98px) {
            .ab-navbar .ab-search-box {
                display: none;
            }
            .ab-page-header h1 {
                font-size: 2.1rem;
            }
            .ab-sidebar {
                position: static;
                margin-top: 2rem;
            }
            .ab-cta-card h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 767.98px) {
            .ab-page-header {
                padding: 2rem 0 1.5rem;
            }
            .ab-page-header h1 {
                font-size: 1.7rem;
            }
            .ab-narrative-card {
                padding: 1.5rem;
            }
            .ab-section-title {
                font-size: 1.5rem;
            }
            .ab-timeline {
                padding-left: 1.5rem;
            }
            .ab-timeline-item {
                padding-left: 1.5rem;
            }
            .ab-timeline-item::before {
                left: -1.5rem;
                width: 12px;
                height: 12px;
            }
            .ab-cta-card {
                padding: 2rem 1.25rem;
                border-radius: var(--ab-radius-lg);
            }
            .ab-cta-card h2 {
                font-size: 1.4rem;
            }
            .ab-footer {
                padding: 3rem 0 1.25rem;
            }
            .ab-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .ab-update-card .ab-update-body {
                padding: 1.25rem;
            }
            .ab-update-card h3 {
                font-size: 1rem;
            }
        }
        @media (max-width: 575.98px) {
            .ab-page-header h1 {
                font-size: 1.45rem;
            }
            .ab-page-header .ab-subtitle {
                font-size: 0.95rem;
            }
            .ab-section-title {
                font-size: 1.3rem;
            }
            .ab-narrative-card {
                border-radius: var(--ab-radius-md);
            }
            .ab-subscribe-form {
                flex-direction: column;
            }
            .ab-subscribe-form button {
                width: 100%;
            }
        }