/* roulang page: index */
:root {
            --color-primary: #0B2B26;
            --color-accent: #2EE6A6;
            --color-amber: #F2B84B;
            --color-bg: #F5F7F4;
            --color-text: #14201D;
            --color-text-muted: #5C6B66;
            --color-border: #D9E2DE;
            --color-success: #2EE6A6;
            --color-warning: #F2B84B;
            --color-error: #E56A5A;
            --color-info: #33B5E5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
            --font-base: 16px;
            --line-height-base: 1.7;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 96px;
            --section-gap-mobile: 64px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 247, 244, 0.96);
            backdrop-filter: blur(8px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: 8px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

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

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.2);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.2);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(46, 230, 166, 0.08);
            }
        }

        .nav-bell {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            color: var(--color-text-muted);
        }

        .nav-bell:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .nav-bell-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-error);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: #1a4a40;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(11, 43, 38, 0.2);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

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

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 43, 38, 0.98);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
            transform: translateY(-8px);
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            border-radius: 10px;
            transition: all 0.25s ease;
        }

        .mobile-drawer a:hover {
            background: rgba(46, 230, 166, 0.12);
            color: var(--color-accent);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 100px;
            margin-bottom: 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 43, 38, 0.92) 0%, rgba(11, 43, 38, 0.72) 45%, rgba(11, 43, 38, 0.48) 100%);
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(46, 230, 166, 0.16);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(46, 230, 166, 0.3);
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-success);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero h1 span {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(11, 43, 38, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .hero-data-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

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

        .hero-data-number {
            font-family: 'Roboto Mono', 'Inter', monospace;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(4px);
        }

        .hero-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-panel-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }

        .hero-panel-title span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-panel-status {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            font-family: 'Roboto Mono', monospace;
        }

        .hero-panel-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

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

        .panel-item-name {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .panel-item-value {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            font-family: 'Roboto Mono', monospace;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--color-primary);
            color: #fff;
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 12px;
        }

        .section-label-dark {
            color: var(--color-accent);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

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

        .section-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 40px;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== PAIN POINTS ========== */
        .pain-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .pain-item {
            display: flex;
            gap: 18px;
            padding: 24px 28px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
            align-items: flex-start;
        }

        .pain-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .pain-number {
            font-family: 'Roboto Mono', monospace;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            opacity: 0.7;
            line-height: 1;
            flex-shrink: 0;
            min-width: 40px;
        }

        .pain-text h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .pain-text p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== SOLUTIONS ========== */
        .solution-steps {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .solution-step {
            display: flex;
            gap: 24px;
            padding: 28px 32px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .solution-step:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .solution-step:nth-child(even) {
            flex-direction: row-reverse;
        }

        .solution-step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
            font-family: 'Roboto Mono', monospace;
        }

        .solution-step-content h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .solution-step-content p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== RESULTS ========== */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .result-card {
            text-align: center;
            padding: 28px 24px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }

        .result-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-accent);
        }

        .result-number {
            font-family: 'Roboto Mono', monospace;
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .result-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }

        .result-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 4px;
            font-style: italic;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-intro-text h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .brand-intro-text p {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            padding: 28px 30px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .testimonial-quote {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
            flex: 1;
        }

        .testimonial-quote::before {
            content: '\201C';
            font-size: 32px;
            color: var(--color-accent);
            font-family: serif;
            line-height: 1;
            display: block;
            margin-bottom: 6px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testimonial-info {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-muted);
            font-weight: 400;
            margin-top: 2px;
        }

        /* ========== NEWS / INFO ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
            cursor: pointer;
            align-items: center;
        }

        .news-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .news-item-meta {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 80px;
            flex-shrink: 0;
        }

        .news-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            font-family: 'Roboto Mono', monospace;
        }

        .news-tag {
            font-size: 11px;
            color: var(--color-text-muted);
            background: rgba(46, 230, 166, 0.12);
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            width: fit-content;
        }

        .news-item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            transition: color 0.25s ease;
            margin-bottom: 4px;
        }

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

        .news-item-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            padding: 20px 22px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
        }

        .news-sidebar-card h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--color-primary);
        }

        .news-sidebar-item {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-muted);
        }

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

        .news-sidebar-item span:last-child {
            font-family: 'Roboto Mono', monospace;
            font-weight: 600;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        /* ========== PARTNERS / TAGS ========== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .partner-tag {
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .partner-tag:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .partner-tag h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .partner-tag p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .faq-intro h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .faq-intro p {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            transition: all 0.25s ease;
            user-select: none;
        }

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

        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(46, 230, 166, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(46, 230, 166, 0.12);
            pointer-events: none;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            max-width: 480px;
        }

        .cta-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: color 0.25s ease;
        }

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

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-sidebar-card {
                flex: 1;
                min-width: 200px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 64px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .nav-status {
                display: none;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-panel {
                padding: 20px 18px;
            }
            .pain-list {
                grid-template-columns: 1fr;
            }
            .solution-step {
                flex-direction: column !important;
                padding: 20px;
            }
            .solution-step:nth-child(even) {
                flex-direction: column !important;
            }
            .results-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-content {
                text-align: center;
            }
            .cta-content p {
                max-width: 100%;
            }
            .cta-btn-group {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-data-row {
                gap: 16px;
            }
            .hero-data-number {
                font-size: 22px;
            }
            .news-sidebar {
                flex-direction: column;
            }
            .pain-item {
                padding: 18px 20px;
            }
            .solution-step {
                padding: 18px 16px;
            }
            .testimonial-card {
                padding: 20px 18px;
            }
            .result-number {
                font-size: 28px;
            }
        }

        /* focus styles for accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-accent);
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B2B26;
            --color-accent: #2EE6A6;
            --color-amber: #F2B84B;
            --color-bg: #F5F7F4;
            --color-text: #14201D;
            --color-text-muted: #5C6B66;
            --color-border: #D9E2DE;
            --color-success: #2EE6A6;
            --color-warning: #F2B84B;
            --color-error: #E56A5A;
            --color-info: #33B5E5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
            --font-base: 16px;
            --line-height-base: 1.7;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 56px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 247, 244, 0.96);
            backdrop-filter: blur(8px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: 8px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

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

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 230, 166, 0.45);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(46, 230, 166, 0);
            }
        }

        .nav-bell {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            color: var(--color-text-muted);
        }

        .nav-bell:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .nav-bell-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-error);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
        }

        .btn-nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(46, 230, 166, 0.25);
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
            width: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: transparent;
        }

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

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 12px;
        }

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

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            padding: 40px 0 48px;
            background: linear-gradient(135deg, rgba(11, 43, 38, 0.04) 0%, rgba(46, 230, 166, 0.05) 100%);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(46, 230, 166, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .category-hero-content {
            max-width: 560px;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 100px;
            background: rgba(46, 230, 166, 0.12);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .category-hero h1 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .category-hero h1 .highlight {
            color: var(--color-accent);
        }

        .category-hero-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .category-hero-stats {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-number {
            font-family: 'Roboto Mono', 'Inter', monospace;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
        }

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

        .category-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

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

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--color-primary);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(11, 43, 38, 0.06);
            transform: translateY(-2px);
        }

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

        .category-hero-visual {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-hover);
            position: relative;
            overflow: hidden;
        }

        .category-hero-visual::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(46, 230, 166, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .hero-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.04em;
        }

        .hero-panel-badge {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.1);
            padding: 4px 10px;
            border-radius: 100px;
        }

        .hero-slot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 10px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .hero-slot {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 14px 10px;
            text-align: center;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .hero-slot:hover {
            background: rgba(46, 230, 166, 0.12);
            border-color: var(--color-accent);
        }

        .hero-slot.selected {
            background: rgba(46, 230, 166, 0.18);
            border-color: var(--color-accent);
        }

        .hero-slot-time {
            font-family: 'Roboto Mono', monospace;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            display: block;
        }

        .hero-slot-status {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
            display: block;
        }

        .hero-slot.selected .hero-slot-status {
            color: var(--color-accent);
            font-weight: 600;
        }

        .hero-panel-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            z-index: 1;
        }

        .hero-panel-footer-text {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-panel-footer-link {
            font-size: 13px;
            color: var(--color-accent);
            font-weight: 600;
            transition: color 0.25s ease;
        }

        .hero-panel-footer-link:hover {
            color: #fff;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-light-muted {
            background: rgba(11, 43, 38, 0.03);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

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

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== CAPABILITY SECTION ========== */
        .capability-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 20px;
        }

        .capability-card {
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

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

        .capability-card.large {
            grid-row: span 2;
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .capability-number {
            font-family: 'Roboto Mono', monospace;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: 14px;
            display: block;
        }

        .capability-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .capability-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        .capability-card.large h3 {
            font-size: 22px;
            margin-bottom: 14px;
        }

        .capability-card.large p {
            font-size: 15px;
            line-height: 1.85;
        }

        .capability-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .capability-tag {
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(46, 230, 166, 0.1);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 500;
            border: 1px solid rgba(46, 230, 166, 0.25);
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .scenario-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(46, 230, 166, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            color: var(--color-primary);
            font-size: 18px;
            font-weight: 700;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ========== PROCESS SECTION ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-3px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-family: 'Roboto Mono', monospace;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* ========== CARD LIST / FILTER ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-sm);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .filter-count {
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .filter-count strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-sort label {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .filter-sort select {
            padding: 8px 14px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
            font-size: 13px;
            cursor: pointer;
            transition: border-color 0.25s ease;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%235C6B66' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        .filter-sort select:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 1px;
            border-color: var(--color-accent);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }

        .resource-card {
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

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

        .resource-card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            background: rgba(46, 230, 166, 0.12);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .resource-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            transition: color 0.25s ease;
        }

        .resource-card:hover h3 {
            color: var(--color-accent);
        }

        .resource-card-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .resource-card-meta span {
            white-space: nowrap;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 8px 0;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .pagination a {
            background: #fff;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
        }

        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .pagination .current {
            background: var(--color-primary);
            color: var(--color-accent);
            font-weight: 700;
            border: 1px solid var(--color-primary);
        }

        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
            background: #fff;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .faq-intro h2 {
            font-size: clamp(24px, 2.5vw, 30px);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .faq-intro p {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid rgba(11, 43, 38, 0.12);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            list-style: none;
            user-select: none;
            transition: all 0.25s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--color-accent);
        }

        .faq-item .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all 0.3s ease;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(46, 230, 166, 0.1);
        }

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

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 48px 0;
        }

        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 230, 166, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 520px;
        }

        .cta-content h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-cta-primary:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(46, 230, 166, 0.3);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-cta-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.25s ease;
        }

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

        .footer-bottom-links span {
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== MOBILE DRAWER ========== */
        .nav-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 43, 38, 0.5);
            z-index: 99;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-drawer.open {
            opacity: 1;
        }

        .nav-drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 360px;
            height: 100%;
            background: #fff;
            padding: 24px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            overflow-y: auto;
            box-shadow: -8px 0 32px rgba(11, 43, 38, 0.15);
        }

        .nav-drawer.open .nav-drawer-panel {
            transform: translateX(0);
        }

        .nav-drawer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-drawer-links a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: all 0.25s ease;
        }

        .nav-drawer-links a:hover {
            background: rgba(46, 230, 166, 0.08);
            color: var(--color-primary);
        }

        .nav-drawer-links a.active {
            background: rgba(46, 230, 166, 0.12);
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-drawer-status {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px;
            margin-top: 16px;
            border-radius: 10px;
            background: rgba(46, 230, 166, 0.06);
            font-size: 13px;
            color: var(--color-text-muted);
            border: 1px solid rgba(46, 230, 166, 0.2);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .capability-card.large {
                grid-row: span 1;
                grid-column: span 2;
            }

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

        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-drawer {
                display: block;
            }

            .nav-status {
                display: none;
            }

            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .category-hero-visual {
                padding: 20px;
            }

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

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

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

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

        @media (max-width: 767px) {
            :root {
                --section-gap: var(--section-gap-mobile);
            }

            .container {
                padding: 0 18px;
            }

            .nav-right .btn-nav-cta {
                display: none;
            }

            .nav-right .nav-bell {
                display: none;
            }

            .category-hero {
                padding: 28px 0 36px;
            }

            .category-hero-stats {
                gap: 20px;
            }

            .hero-stat-number {
                font-size: 22px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .capability-card.large {
                grid-column: span 1;
                padding: 24px;
            }

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

            .process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-banner {
                padding: 32px 24px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-beian {
                flex-direction: column;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 17px;
            }

            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .hero-slot-grid {
                grid-template-columns: 1fr 1fr;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .card-grid {
                gap: 14px;
            }

            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 13px;
                padding: 0 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0B2B26;
            --color-accent: #2EE6A6;
            --color-amber: #F2B84B;
            --color-bg: #F5F7F4;
            --color-text: #14201D;
            --color-text-muted: #5C6B66;
            --color-border: #D9E2DE;
            --color-success: #2EE6A6;
            --color-warning: #F2B84B;
            --color-error: #E56A5A;
            --color-info: #33B5E5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
            --font-base: 16px;
            --line-height-base: 1.7;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 247, 244, 0.96);
            backdrop-filter: blur(8px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: 8px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

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

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(46, 230, 166, 0.4);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 6px rgba(46, 230, 166, 0);
            }
        }

        .nav-bell {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            color: var(--color-text-muted);
        }

        .nav-bell:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .nav-bell-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-error);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: 1px solid var(--color-primary);
        }

        .btn-nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 20px 0 0;
            background: transparent;
        }

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

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .separator {
            color: var(--color-border);
            user-select: none;
        }

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

        /* ========== HERO ========== */
        .hero-section {
            padding: 48px 0 32px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            border-bottom: 1px solid var(--color-border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 43, 38, 0.92) 0%, rgba(11, 43, 38, 0.76) 50%, rgba(11, 43, 38, 0.88) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 24px 0;
        }

        .hero-copy {
            color: #fff;
        }

        .hero-copy h1 {
            font-size: 44px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-copy h1 .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            border: 2px solid var(--color-accent);
        }

        .btn-hero-primary:hover {
            background: transparent;
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: all 0.25s ease;
        }

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

        .hero-badges {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-badge .badge-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(46, 230, 166, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 700;
        }

        /* Coupon Wall Hero */
        .coupon-wall {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

        .coupon-main {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
            overflow: hidden;
            position: relative;
            transform: rotate(-1deg);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .coupon-main:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.3);
        }

        .coupon-main-inner {
            display: flex;
            align-items: stretch;
        }

        .coupon-main-left {
            flex: 1;
            padding: 24px 20px 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 12px;
        }

        .coupon-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(46, 230, 166, 0.15);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
        }

        .coupon-main-left h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
        }

        .coupon-main-left p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .coupon-main-left .btn-coupon-claim {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
            border: 1px solid var(--color-primary);
            cursor: pointer;
        }

        .coupon-main-left .btn-coupon-claim:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .coupon-main-right {
            width: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(180deg, #f0faf5 0%, #e5f7ef 100%);
            border-left: 2px dashed var(--color-border);
            position: relative;
            padding: 16px;
            flex-direction: column;
            gap: 8px;
        }

        .coupon-main-right::before,
        .coupon-main-right::after {
            content: '';
            position: absolute;
            left: -8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-primary);
            z-index: 2;
        }

        .coupon-main-right::before {
            top: -7px;
        }
        .coupon-main-right::after {
            bottom: -7px;
        }

        .coupon-main-right .coupon-percent {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: 'Roboto Mono', 'Inter', monospace;
        }

        .coupon-main-right .coupon-label {
            font-size: 11px;
            color: var(--color-text-muted);
            text-align: center;
            font-weight: 500;
        }

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

        .coupon-mini {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .coupon-mini:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(46, 230, 166, 0.6);
            transform: translateY(-2px);
        }

        .coupon-mini-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(46, 230, 166, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .coupon-mini-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .coupon-mini-text strong {
            font-size: 13px;
            color: #fff;
            font-weight: 600;
        }

        .coupon-mini-text span {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== FILTER TOOLBAR ========== */
        .filter-toolbar {
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
            background: #fff;
            margin-bottom: 32px;
        }

        .filter-toolbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .filter-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-muted);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

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

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

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .filter-sort select {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text);
            background: #fff;
            cursor: pointer;
            outline: none;
            transition: border-color 0.25s ease;
        }

        .filter-sort select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(46, 230, 166, 0.2);
        }

        /* ========== SOLUTIONS GRID ========== */
        .solutions-section {
            padding: 16px 0 64px;
        }

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

        .solution-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(11, 43, 38, 0.12);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

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

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

        .solution-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .solution-card:hover .solution-card-image img {
            transform: scale(1.03);
        }

        .solution-card-image .solution-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(46, 230, 166, 0.92);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
        }

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

        .solution-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            transition: color 0.25s ease;
        }

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

        .solution-card-body .solution-summary {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

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

        .solution-card-meta .meta-date {
            font-family: 'Roboto Mono', 'Inter', monospace;
        }

        .solution-card-meta .meta-source {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .solution-card-meta .meta-source .source-avatar {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
        }

        /* ========== PAGINATION ========== */
        .pagination-section {
            padding: 32px 0 16px;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text-muted);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .pagination .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .pagination .page-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-accent);
            font-weight: 700;
        }

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

        /* ========== SCENARIOS ========== */
        .scenarios-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

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

        .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-item {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .scenario-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .scenario-item .scenario-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: block;
        }

        .scenario-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== STEPS ========== */
        .steps-section {
            padding: 64px 0;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 22px 22px;
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

        .step-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .step-item .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-family: 'Roboto Mono', 'Inter', monospace;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            cursor: pointer;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            transition: color 0.25s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: all 0.3s ease;
            font-size: 16px;
            font-weight: 500;
            background: #fff;
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 40px 0 0;
        }

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

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner-section {
            padding: 64px 0;
        }

        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(46, 230, 166, 0.08);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(46, 230, 166, 0.05);
            pointer-events: none;
        }

        .cta-banner-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 280px;
        }

        .cta-banner-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .cta-banner-content h2 .highlight {
            color: var(--color-accent);
        }

        .cta-banner-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }

        .cta-banner-actions {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-cta-banner {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            border: 2px solid var(--color-accent);
            white-space: nowrap;
        }

        .btn-cta-banner:hover {
            background: transparent;
            color: var(--color-accent);
        }

        .btn-cta-banner-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-cta-banner-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

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

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.25s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 16px 0;
            }

            .hero-copy h1 {
                font-size: 36px;
            }

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

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 30px rgba(11, 43, 38, 0.1);
                z-index: 99;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 14px;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-links a.active::before {
                display: inline-block;
            }

            .nav-right .nav-status {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero-copy h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .coupon-mini-row {
                grid-template-columns: 1fr;
            }

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

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

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .filter-toolbar-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-banner {
                padding: 32px 24px;
            }

            .cta-banner-content h2 {
                font-size: 24px;
            }

            .btn-nav-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-copy h1 {
                font-size: 26px;
            }

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

            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }

            .coupon-main-inner {
                flex-direction: column;
            }

            .coupon-main-right {
                width: 100%;
                border-left: none;
                border-top: 2px dashed var(--color-border);
                padding: 12px;
                flex-direction: row;
                justify-content: space-around;
                align-items: center;
            }

            .coupon-main-right::before,
            .coupon-main-right::after {
                display: none;
            }

            .section-heading h2 {
                font-size: 24px;
            }

            .pagination .page-btn {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }

            .cta-banner-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }

            .btn-cta-banner,
            .btn-cta-banner-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0B2B26;
            --color-accent: #2EE6A6;
            --color-amber: #F2B84B;
            --color-bg: #F5F7F4;
            --color-text: #14201D;
            --color-text-muted: #5C6B66;
            --color-border: #D9E2DE;
            --color-success: #2EE6A6;
            --color-warning: #F2B84B;
            --color-error: #E56A5A;
            --color-info: #33B5E5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
            --font-base: 16px;
            --line-height-base: 1.7;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 64px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 247, 244, 0.96);
            backdrop-filter: blur(8px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: 8px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

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

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-success);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.45; }
        }

        .nav-bell {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            color: var(--color-text-muted);
        }

        .nav-bell:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .nav-bell-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-error);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
        }

        .btn-nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            box-shadow: 0 4px 14px rgba(46, 230, 166, 0.35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            padding: 0;
        }

        .nav-toggle span {
            display: block;
            width: 16px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

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

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color 0.25s;
        }

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

        .breadcrumb .sep {
            color: var(--color-border);
            font-size: 11px;
        }

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

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            padding: 40px 0 36px;
            flex-wrap: wrap;
        }

        .category-hero-left {
            max-width: 680px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .category-hero h1 .accent-text {
            color: var(--color-accent);
        }

        .category-hero-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 620px;
        }

        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-shrink: 0;
        }

        .hero-stat {
            text-align: center;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            min-width: 90px;
        }

        .hero-stat-num {
            font-family: 'Roboto Mono', 'Inter', monospace;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ========== FILTER TOOLBAR ========== */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 18px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-muted);
            background: var(--color-bg);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

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

        .filter-tag.active {
            background: var(--color-primary);
            color: var(--color-accent);
            font-weight: 600;
            border-color: var(--color-primary);
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .filter-sort select {
            padding: 6px 12px;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: #fff;
            font-size: 13px;
            color: var(--color-text);
            cursor: pointer;
            transition: border-color 0.25s;
            outline: none;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%235C6B66' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 10px center;
            padding-right: 30px;
        }

        .filter-sort select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.2);
        }

        /* ========== CARD GRID ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

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

        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .article-card:hover .article-card-image img {
            transform: scale(1.03);
        }

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

        .article-card-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(46, 230, 166, 0.15);
            color: var(--color-primary);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .article-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color 0.25s;
        }

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

        .article-card-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .article-card-meta .meta-author {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .meta-avatar {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 40px 0 64px;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .page-btn.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(46, 230, 166, 0.3);
        }

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

        /* ========== SERVICE HIGHLIGHT ========== */
        .service-highlight-section {
            padding: 56px 0;
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            margin-bottom: 64px;
            position: relative;
            overflow: hidden;
        }

        .service-highlight-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(46, 230, 166, 0.08);
            pointer-events: none;
        }

        .service-highlight-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(242, 184, 75, 0.06);
            pointer-events: none;
        }

        .service-highlight-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .service-highlight-text {
            max-width: 520px;
        }

        .service-highlight-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }

        .service-highlight-text h2 span {
            color: var(--color-accent);
        }

        .service-highlight-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .service-highlight-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .service-highlight-actions .btn {
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            white-space: nowrap;
        }

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

        .btn-accent:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 6px 20px rgba(46, 230, 166, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 64px;
        }

        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--color-text-muted);
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            gap: 16px;
            transition: color 0.25s;
            user-select: none;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: var(--color-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

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

        /* ========== CTA ========== */
        .cta-section {
            margin-bottom: 64px;
        }

        .cta-banner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(46, 230, 166, 0.1);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 520px;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .cta-content h2 span {
            color: var(--color-accent);
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .cta-buttons {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .cta-buttons .btn {
            padding: 13px 26px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
            margin-top: 64px;
        }

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

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .footer-brand h3 span {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            max-width: 300px;
            color: rgba(255, 255, 255, 0.55);
        }

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

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.4);
            transition: color 0.25s;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 16px rgba(11, 43, 38, 0.08);
                z-index: 99;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 10px 8px;
                width: 100%;
                border-radius: 6px;
                justify-content: flex-start;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-status {
                display: none;
            }

            .nav-bell {
                display: none;
            }

            .btn-nav-cta {
                display: none;
            }

            .category-hero {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero-stats {
                gap: 12px;
                width: 100%;
            }

            .hero-stat {
                flex: 1;
                min-width: auto;
                padding: 12px 10px;
            }

            .hero-stat-num {
                font-size: 22px;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .service-highlight-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .cta-banner {
                padding: 32px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .filter-sort {
                width: 100%;
            }

            .filter-sort select {
                flex: 1;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }

            .hero-stat-num {
                font-size: 18px;
            }

            .cta-content h2 {
                font-size: 22px;
            }

            .service-highlight-text h2 {
                font-size: 22px;
            }

            .pagination {
                gap: 4px;
            }

            .page-btn {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 6px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0B2B26;
            --color-accent: #2EE6A6;
            --color-amber: #F2B84B;
            --color-bg: #F5F7F4;
            --color-text: #14201D;
            --color-text-muted: #5C6B66;
            --color-border: #D9E2DE;
            --color-success: #2EE6A6;
            --color-warning: #F2B84B;
            --color-error: #E56A5A;
            --color-info: #33B5E5;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
            --font-base: 16px;
            --line-height-base: 1.7;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-gap: 96px;
            --section-gap-mobile: 64px;
        }
        :root {
            --section-gap: 64px;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            font-size: var(--font-base);
            line-height: var(--line-height-base);
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(245, 247, 244, 0.96);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            height: var(--nav-height);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: 8px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
            transition: width 0.25s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

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

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .nav-bell {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            color: var(--color-text-muted);
        }

        .nav-bell:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .nav-bell-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-error);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--color-primary);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }

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

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all 0.25s ease;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            text-align: center;
            justify-content: center;
        }

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

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

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

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

        .btn-secondary:hover {
            background: rgba(11, 43, 38, 0.08);
            border-color: var(--color-primary);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* ========== BADGE / TAG ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
        }

        .badge-success {
            background: rgba(46, 230, 166, 0.15);
            color: var(--color-primary);
            border: 1px solid rgba(46, 230, 166, 0.4);
        }

        .badge-warning {
            background: rgba(242, 184, 75, 0.15);
            color: #7a5c1a;
            border: 1px solid rgba(242, 184, 75, 0.4);
        }

        .badge-error {
            background: rgba(229, 106, 90, 0.12);
            color: var(--color-error);
            border: 1px solid rgba(229, 106, 90, 0.3);
        }

        .badge-info {
            background: rgba(51, 181, 229, 0.12);
            color: #1a7fa8;
            border: 1px solid rgba(51, 181, 229, 0.3);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(46, 230, 166, 0.12);
            color: var(--color-primary);
            border: 1px solid rgba(46, 230, 166, 0.35);
            white-space: nowrap;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            font-size: 13px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-border);
            font-size: 12px;
        }

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

        .breadcrumb li:last-child {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--color-border);
        }

        .category-header-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .category-title-wrap {
            flex: 1;
            min-width: 280px;
        }

        .category-title-wrap h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            line-height: 1.25;
        }

        .category-title-wrap h1 .highlight {
            color: var(--color-accent);
        }

        .category-desc {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 680px;
            margin-top: 12px;
            line-height: 1.7;
        }

        .category-metrics {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .metric-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .metric-item strong {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            font-family: 'Roboto Mono', monospace;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--color-border);
        }

        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            list-style: none;
        }

        .filter-tabs li button {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .filter-tabs li button:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

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

        .filter-sort select {
            padding: 7px 32px 7px 12px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235C6B66' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 10px center;
            appearance: none;
            -webkit-appearance: none;
            font-size: 13px;
            color: var(--color-text);
            cursor: pointer;
            transition: border-color 0.25s ease;
        }

        .filter-sort select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(46, 230, 166, 0.2);
        }

        /* ========== CARD GRID ========== */
        .card-grid-section {
            padding: 24px 0 40px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .content-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(11, 43, 38, 0.12);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

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

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

        .content-card:hover .card-image-wrap img {
            transform: scale(1.03);
        }

        .card-image-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 43, 38, 0.85);
            backdrop-filter: blur(4px);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
        }

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

        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .card-meta .tag {
            font-size: 11px;
            padding: 3px 10px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.45;
            margin-bottom: 8px;
            transition: color 0.25s ease;
        }

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

        .card-excerpt {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .card-author {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-author-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(11, 43, 38, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 16px 0 32px;
        }

        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .pagination li a,
        .pagination li span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            border-radius: 10px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
        }

        .pagination li a:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }

        .pagination li.active span {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .pagination li.disabled span {
            opacity: 0.4;
            cursor: not-allowed;
        }

        /* ========== LIGHT CTA ========== */
        .light-cta {
            padding: 32px 0 48px;
        }

        .light-cta-inner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .light-cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 43, 38, 0.82);
            z-index: 0;
        }

        .light-cta-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 280px;
        }

        .light-cta-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .light-cta-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
            line-height: 1.65;
        }

        .light-cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 0;
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            line-height: 1.7;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
        }

        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.45);
            transition: color 0.25s ease;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(245, 247, 244, 0.98);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(11, 43, 38, 0.08);
                align-items: flex-start;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 10px 14px;
                width: 100%;
                font-size: 15px;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-links a.active::before {
                margin-right: 8px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-status {
                display: none;
            }

            .btn-nav-cta {
                display: none;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .category-header {
                padding: 24px 0 16px;
            }

            .category-title-wrap h1 {
                font-size: 26px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .filter-tabs {
                gap: 6px;
            }

            .filter-tabs li button {
                font-size: 12px;
                padding: 6px 12px;
            }

            .light-cta-inner {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .light-cta-content h2 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .pagination li a,
            .pagination li span {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .category-metrics {
                gap: 12px;
            }
            .metric-item strong {
                font-size: 20px;
            }
            .card-title {
                font-size: 16px;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
        }

/* roulang page: category6 */
:root {
  --color-primary: #0B2B26;
  --color-accent: #2EE6A6;
  --color-amber: #F2B84B;
  --color-bg: #F5F7F4;
  --color-text: #14201D;
  --color-text-muted: #5C6B66;
  --color-border: #D9E2DE;
  --color-success: #2EE6A6;
  --color-warning: #F2B84B;
  --color-error: #E56A5A;
  --color-info: #33B5E5;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
  --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
  --font-base: 16px;
  --line-height-base: 1.7;
  --container-max: 1200px;
  --nav-height: 64px;
  --section-gap: 64px;
  --section-gap-mobile: 48px;
}

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
  font-size: var(--font-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  margin: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

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

/* ========== HEADER / NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 244, 0.96);
  backdrop-filter: blur(8px);
  height: var(--nav-height);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 16px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
  justify-content: center;
  margin: 0;
  padding: 0;
}

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

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  transition: width 0.25s ease;
}

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

.nav-links a:hover::after {
  width: 24px;
}

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

.nav-links a.active::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 6px;
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  display: inline-block;
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 230, 166, 0.5); }
  50% { box-shadow: 0 0 0 5px rgba(46, 230, 166, 0); }
}

.nav-bell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--color-text-muted);
}

.nav-bell:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.nav-bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-error);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* ========== PAGE HEADER ========== */
.page-header {
  padding: 40px 0 32px;
  background: linear-gradient(160deg, rgba(11, 43, 38, 0.04) 0%, rgba(245, 247, 244, 0.98) 40%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary);
  transition: color 0.25s ease;
}

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

.breadcrumb .sep {
  color: var(--color-border);
  font-size: 12px;
}

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

.page-header-content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.page-header-left h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.page-header-left p {
  font-size: 15px;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 640px;
  line-height: 1.75;
}

.page-header-stats {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
}

.page-stat {
  text-align: center;
  padding: 14px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  min-width: 88px;
}

.page-stat .stat-num {
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.page-stat .stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ========== TOOLBAR ========== */
.toolbar-section {
  padding: 24px 0 8px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(11, 43, 38, 0.04);
}

.toolbar-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

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

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

.toolbar-sort {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-sort label {
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.toolbar-sort select {
  padding: 7px 12px;
  font-size: 13px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  outline: none;
  transition: border-color 0.25s ease;
  appearance: auto;
}

.toolbar-sort select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(46, 230, 166, 0.2);
}

/* ========== CARD LIST ========== */
.card-list-section {
  padding: 28px 0 32px;
}

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

.rule-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

.rule-card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-primary);
}

.rule-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.rule-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  background: rgba(46, 230, 166, 0.92);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: 0.01em;
  z-index: 2;
}

.rule-card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.rule-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.4;
  transition: color 0.25s ease;
}

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

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

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

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

.rule-card-meta .meta-author {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-weight: 500;
  color: var(--color-text);
}

.rule-card-meta .meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ========== PAGINATION ========== */
.pagination-section {
  padding: 8px 0 40px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  transition: all 0.25s ease;
  cursor: pointer;
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.pagination .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 700;
  cursor: default;
}

.pagination .page-arrow {
  font-size: 13px;
  padding: 0 14px;
}

/* ========== LIGHT CTA ========== */
.light-cta-section {
  padding: 40px 0 64px;
}

.light-cta {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.light-cta::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(46, 230, 166, 0.1);
  pointer-events: none;
}

.light-cta::after {
  content: '';
  position: absolute;
  left: 20%;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(46, 230, 166, 0.06);
  pointer-events: none;
}

.light-cta-content {
  flex: 1;
  min-width: 280px;
  position: relative;
  z-index: 1;
}

.light-cta-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.light-cta-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  line-height: 1.7;
}

.light-cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.btn-cta-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: 10px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-cta-accent:hover {
  background: #fff;
  color: var(--color-primary);
}

.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 22px;
  border-radius: 10px;
  background: transparent;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-cta-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(46, 230, 166, 0.08);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 28px;
  margin-top: 0;
}

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

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  max-width: 340px;
  color: rgba(255, 255, 255, 0.7);
}

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

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

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: all 0.25s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  flex-wrap: wrap;
}

.footer-beian {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom-links {
  display: flex;
  gap: 14px;
  align-items: center;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.25s ease;
}

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

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 28px;
  }
}

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

  .container {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(11, 43, 38, 0.1);
    padding: 12px 16px;
    gap: 2px;
    z-index: 99;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 14px;
    font-size: 14px;
    border-radius: 8px;
  }

  .nav-links a.active::before {
    display: none;
  }

  .nav-status {
    display: none;
  }

  .btn-nav-cta {
    padding: 7px 12px;
    font-size: 12px;
  }

  .page-header {
    padding: 28px 0 24px;
  }

  .page-header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-header-stats {
    gap: 10px;
  }

  .page-stat {
    padding: 10px 14px;
    min-width: 70px;
  }

  .page-stat .stat-num {
    font-size: 20px;
  }

  .toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .toolbar-sort {
    width: 100%;
    justify-content: space-between;
  }

  .toolbar-sort select {
    flex: 1;
    max-width: 200px;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .light-cta {
    padding: 28px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .light-cta-actions {
    flex-wrap: wrap;
    width: 100%;
  }

  .btn-cta-accent,
  .btn-cta-outline {
    flex: 1;
    justify-content: center;
    min-width: 130px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .page-header-left h1 {
    font-size: 24px;
  }

  .toolbar-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .pagination a,
  .pagination span {
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    font-size: 12px;
  }
}

/* roulang page: category5 */
:root {
  --color-primary: #0B2B26;
  --color-accent: #2EE6A6;
  --color-amber: #F2B84B;
  --color-bg: #F5F7F4;
  --color-text: #14201D;
  --color-text-muted: #5C6B66;
  --color-border: #D9E2DE;
  --color-success: #2EE6A6;
  --color-warning: #F2B84B;
  --color-error: #E56A5A;
  --color-info: #33B5E5;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 24px rgba(11, 43, 38, 0.08);
  --shadow-hover: 0 16px 40px rgba(11, 43, 38, 0.14);
  --font-base: 16px;
  --line-height-base: 1.7;
  --container-max: 1200px;
  --nav-height: 64px;
  --section-gap: 96px;
  --section-gap-mobile: 64px;
}

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

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
  font-size: var(--font-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

ul,
ol {
  list-style: none;
}

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

/* ========== HEADER / NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 244, 0.96);
  backdrop-filter: blur(8px);
  height: var(--nav-height);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 8px rgba(11, 43, 38, 0.04);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 16px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  transition: width 0.25s ease;
}

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

.nav-links a:hover::after {
  width: 24px;
}

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

.nav-links a.active::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 6px;
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.nav-bell {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--color-text-muted);
}

.nav-bell:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.nav-bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-error);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}

.btn-nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.25s ease;
}

.nav-toggle:hover {
  background: rgba(11, 43, 38, 0.06);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* ========== BREADCRUMB ========== */
.breadcrumb-section {
  padding: 20px 0 0;
}

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

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color 0.25s ease;
}

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

.breadcrumb .separator {
  color: var(--color-border);
}

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

/* ========== HERO ========== */
.hero-section {
  padding: 56px 0 72px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #F5F7F4 0%, #EAF3EE 50%, #F5F7F4 100%);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 230, 166, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(46, 230, 166, 0.15);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
}

.hero-badge .badge-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 9px;
  font-weight: 700;
}

.hero-badge-alt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(51, 181, 229, 0.12);
  color: #1E7FA8;
  font-size: 13px;
  font-weight: 500;
}

.hero-title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 0;
}

.hero-title .highlight {
  color: var(--color-accent);
  position: relative;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 480px;
}

.hero-cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  white-space: nowrap;
}

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

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(11, 43, 38, 0.06);
  transform: translateY(-2px);
}

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

.hero-stats-row {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-number {
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

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

/* Hero right - progress ring + tiers */
.hero-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.progress-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.progress-ring-wrapper {
  flex-shrink: 0;
  position: relative;
  width: 100px;
  height: 100px;
}

.progress-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: conic-gradient(var(--color-accent) 0% 76%, #E7EDEA 76% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.progress-ring::after {
  content: '';
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
}

.progress-ring-text {
  position: relative;
  z-index: 1;
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}

.progress-ring-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.progress-info {
  flex: 1;
}

.progress-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.progress-info p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}

.progress-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.progress-meta strong {
  font-family: 'Roboto Mono', 'Inter', monospace;
  color: var(--color-primary);
  font-size: 15px;
}

.tier-preview-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tier-preview-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.25s ease;
  cursor: pointer;
}

.tier-preview-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.tier-preview-card .tier-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(46, 230, 166, 0.12);
  color: var(--color-primary);
  width: fit-content;
}

.tier-preview-card .tier-tag.hot {
  background: rgba(242, 184, 75, 0.18);
  color: #A06B00;
}

.tier-preview-card .tier-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
}

.tier-preview-card .tier-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.tier-preview-card .tier-price {
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
}

.tier-preview-card .tier-price span {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ========== SECTION COMMON ========== */
.section {
  padding: var(--section-gap) 0;
}

.section-header {
  margin-bottom: 40px;
  max-width: 640px;
}

.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

/* ========== PAIN POINTS ========== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pain-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 28px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all 0.25s ease;
  position: relative;
}

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

.pain-card .pain-index {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(11, 43, 38, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.pain-card .pain-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  line-height: 1.4;
}

.pain-card .pain-content p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ========== SOLUTIONS ========== */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  counter-reset: solution-counter;
}

.solution-item {
  display: grid;
  grid-template-columns: 60px 1fr 280px;
  gap: 24px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 28px 32px;
  transition: all 0.25s ease;
  position: relative;
}

.solution-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.solution-item .solution-step {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.solution-item .solution-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.solution-item .solution-content p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.solution-item .solution-visual {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #F0F3F1;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

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

/* ========== RESULTS ========== */
.results-section {
  background: var(--color-primary);
  padding: 72px 0;
}

.results-section .section-header h2 {
  color: #fff;
}

.results-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.results-section .section-tag {
  color: var(--color-accent);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.result-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 28px 24px;
  text-align: center;
  transition: all 0.25s ease;
}

.result-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(46, 230, 166, 0.4);
}

.result-number {
  font-family: 'Roboto Mono', 'Inter', monospace;
  font-size: 36px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 6px;
  line-height: 1.2;
}

.result-number .data-pending {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
  margin-left: 4px;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.result-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

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

.testimonial-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.25s ease;
}

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

.testimonial-quote {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.8;
  flex: 1;
}

.testimonial-quote::before {
  content: '“';
  font-size: 32px;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(46, 230, 166, 0.25) 0%, rgba(11, 43, 38, 0.15) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.testimonial-author-info {
  display: flex;
  flex-direction: column;
}

.testimonial-author-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.testimonial-author-role {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ========== FAQ ========== */
.faq-section {
  background: #F0F3F1;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all 0.25s ease;
}

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

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  transition: all 0.25s ease;
  gap: 16px;
}

.faq-trigger:hover {
  background: rgba(46, 230, 166, 0.06);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(46, 230, 166, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 16px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

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

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

.faq-item.open .faq-panel {
  display: block;
}

/* ========== CTA ========== */
.cta-section {
  padding: 64px 0;
}

.cta-banner {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 52px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 230, 166, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}

.cta-banner h2 .highlight {
  color: var(--color-accent);
}

.cta-banner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
  max-width: 560px;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  font-size: 16px;
  padding: 14px 28px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: #081E1B;
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 24px;
}

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

.footer-brand h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.25s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-beian {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.25s ease;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 36px;
  }

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

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

  .solution-item {
    grid-template-columns: 50px 1fr;
  }

  .solution-item .solution-visual {
    display: none;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-status {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-right {
    gap: 8px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

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

  .results-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

  .tier-preview-row {
    grid-template-columns: 1fr;
  }

  .progress-card {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }

  .cta-banner p {
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  :root {
    --section-gap: 64px;
  }

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

  .solution-item {
    grid-template-columns: 40px 1fr;
    padding: 20px 18px;
  }

  .solution-item .solution-step {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .section-header h2 {
    font-size: 24px;
  }

  .hero-cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 26px;
  }

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

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

  .btn-nav-cta {
    padding: 6px 12px;
    font-size: 12px;
  }

  .nav-bell {
    width: 32px;
    height: 32px;
  }

  .nav-logo {
    font-size: 17px;
  }

  .nav-logo-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .result-number {
    font-size: 28px;
  }

  .cta-banner h2 {
    font-size: 22px;
  }

  .breadcrumb {
    font-size: 12px;
  }
}