/* roulang page: index */
:root {
            --neon: #C8FF00;
            --magenta: #FF3D81;
            --bg: #0B0F14;
            --card-bg: #151B22;
            --panel-bg: #1C242E;
            --text-main: #E8F0F7;
            --text-secondary: #95A5B5;
            --text-disabled: #5C6B7A;
            --border-default: rgba(255, 255, 255, 0.08);
            --border-neon: rgba(200, 255, 0, 0.4);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            background: var(--bg);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width:768px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (min-width:768px) {
            .section-padding {
                padding-top: 7rem;
                padding-bottom: 7rem;
            }
        }

        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, var(--neon), var(--magenta));
            border: none;
        }

        .top-bar-line {
            height: 2px;
            background: linear-gradient(90deg, var(--neon), var(--magenta));
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 80;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            background: var(--neon);
            color: #000;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all .25s ease;
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.2);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #d6ff4d;
            box-shadow: 0 0 30px rgba(200, 255, 0, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(200, 255, 0, 0.5);
            transition: all .25s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.2);
            border-color: var(--neon);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.25rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: #cbd5e1;
            transition: color .2s;
            position: relative;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: var(--neon);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--neon);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.6);
        }

        .logo-glow {
            text-shadow: 0 0 12px rgba(200, 255, 0, 0.4);
        }

        .hero-section {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: linear-gradient(to bottom, rgba(11, 15, 20, 0.2), #0B0F14 100%), url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
        }
        @media (min-width:768px) {
            .hero-section {
                min-height: 90vh;
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.7) 0%, rgba(11, 15, 20, 0.35) 50%, rgba(11, 15, 20, 0.8) 100%);
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1rem;
            padding: 2rem 1.5rem;
            transition: transform .3s, border-color .3s, box-shadow .3s;
            text-align: center;
        }
        .stat-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 25px rgba(200, 255, 0, 0.1);
            transform: translateY(-4px);
        }

        .feature-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        @media (min-width:1024px) {
            .feature-block {
                grid-template-columns: 1fr 1fr;
                gap: 4rem;
            }
            .feature-block.reverse .feature-image {
                order: 2;
            }
            .feature-block.reverse .feature-content {
                order: 1;
            }
        }

        .feature-image {
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-default);
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1.25rem;
            padding: 2rem;
            position: relative;
            transition: border-color .3s, box-shadow .3s, transform .3s;
        }
        .step-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.08);
            transform: translateY(-3px);
        }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--neon), var(--magenta));
            color: #000;
            margin-bottom: 1.25rem;
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.25);
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(200, 255, 0, 0.15);
            color: var(--neon);
            border: 1px solid rgba(200, 255, 0, 0.25);
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1rem;
            padding: 1.5rem;
            transition: transform .3s, border-color .3s, box-shadow .3s;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .news-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.08);
            transform: translateY(-4px);
        }
        .news-card:hover .read-arrow {
            transform: translateX(4px);
            color: var(--neon);
        }

        .read-arrow {
            transition: transform .2s, color .2s;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1rem;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item.open {
            border-color: var(--border-neon);
            box-shadow: 0 0 15px rgba(200, 255, 0, 0.06);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            transition: background .2s;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: -2px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.93rem;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 255, 0, 0.12);
            color: var(--neon);
            font-weight: 800;
            flex-shrink: 0;
            transition: transform .3s, background .3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 61, 129, 0.15);
            color: var(--magenta);
        }

        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(11, 15, 20, 0.92);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-default);
            transform: translateY(0);
            transition: transform .4s ease;
        }
        .bottom-bar.hidden-bar {
            transform: translateY(100%);
        }

        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
        }

        .footer-link {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color .2s;
            display: inline-block;
            padding: 0.2rem 0;
        }
        .footer-link:hover {
            color: var(--neon);
        }

        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity .6s ease-out, transform .6s ease-out;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .input-field {
            width: 100%;
            height: 3rem;
            padding: 0 1rem;
            border-radius: 0.5rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-main);
            font-size: 0.9rem;
            transition: border-color .2s, box-shadow .2s;
        }
        .input-field:focus {
            outline: none;
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
        }
        .input-field::placeholder {
            color: var(--text-disabled);
        }

        .submit-btn {
            height: 3rem;
            padding: 0 1.5rem;
            border-radius: 0.5rem;
            background: var(--neon);
            color: #000;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all .25s;
            border: none;
            cursor: pointer;
        }
        .submit-btn:hover {
            background: #d6ff4d;
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.35);
        }
        .submit-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        .submit-btn:focus-visible {
            outline: 2px solid var(--neon);
            outline-offset: 2px;
        }

        .data-number {
            font-size: 3.25rem;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--neon), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        @media (min-width:768px) {
            .data-number {
                font-size: 4.25rem;
            }
        }

        @media (max-width:767px) {
            .hero-section {
                min-height: 82vh;
                background-position: 62% center;
            }
            .data-number {
                font-size: 2.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --neon: #C8FF00;
            --neon-pink: #FF3D81;
            --bg: #0B0F14;
            --card-bg: #151B22;
            --panel-bg: #1C242E;
            --text-main: #E8F0F7;
            --text-soft: #95A5B5;
            --text-disabled: #5C6B7A;
            --border-default: rgba(255, 255, 255, 0.08);
            --border-neon: rgba(200, 255, 0, 0.4);
            --radius-card: 1rem;
            --radius-button: 9999px;
            --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg);
            color: var(--text-main);
            font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            font-size: 16px;
        }

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .logo-glow {
            text-shadow: 0 0 18px rgba(200, 255, 0, 0.55);
            letter-spacing: -0.02em;
        }

        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: #cbd5e1;
            padding: 0.35rem 0;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: #ffffff;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            height: 2px;
            width: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--neon), var(--neon-pink));
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.35s ease;
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.4);
        }

        .nav-link:hover::after {
            transform: scaleX(0.6);
        }

        .nav-link.active {
            color: #ffffff;
            font-weight: 700;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--neon);
            color: #000;
            font-weight: 700;
            border-radius: var(--radius-button);
            transition: all 0.3s ease;
            box-shadow: 0 0 18px rgba(200, 255, 0, 0.2);
            border: 1px solid transparent;
        }

        .btn-primary:hover {
            background: #dcff4d;
            box-shadow: 0 0 26px rgba(200, 255, 0, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.3);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            font-weight: 600;
            border-radius: var(--radius-button);
            border: 1px solid var(--border-neon);
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.08);
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 18px rgba(200, 255, 0, 0.2);
            transform: translateY(-2px);
        }

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

        .btn-outline:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: 3px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-main);
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.6rem;
            }
        }

        .section-subtitle {
            color: var(--text-soft);
            font-size: 1rem;
            margin-top: 0.6rem;
            line-height: 1.7;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--neon);
            background: rgba(200, 255, 0, 0.08);
            border: 1px solid rgba(200, 255, 0, 0.3);
            border-radius: 9999px;
            padding: 0.3rem 0.85rem;
            text-transform: uppercase;
            transition: all 0.3s ease;
        }

        .tag-pill:hover {
            background: rgba(200, 255, 0, 0.15);
            border-color: var(--neon);
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.2);
        }

        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, var(--neon), var(--neon-pink));
            border: none;
            opacity: 0.5;
        }

        .card-dark {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-card);
            transition: all 0.35s ease;
        }

        .card-dark:hover {
            background: #1a222c;
            border-color: var(--border-neon);
            box-shadow: 0 0 30px rgba(200, 255, 0, 0.1);
        }

        .form-input {
            width: 100%;
            height: 3rem;
            padding: 0 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 0.5rem;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .form-input::placeholder {
            color: var(--text-disabled);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
            background: rgba(255, 255, 255, 0.07);
        }

        .form-input:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: 2px;
        }

        .footer-link {
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 2.2;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .footer-link:hover {
            color: var(--neon);
            padding-left: 4px;
        }

        .footer-link:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }

        .horizontal-card {
            display: grid;
            grid-template-columns: 1fr;
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1.25rem;
            overflow: hidden;
            transition: all 0.4s ease;
        }

        .horizontal-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 34px rgba(200, 255, 0, 0.12);
            transform: translateY(-4px);
        }

        @media (min-width: 768px) {
            .horizontal-card {
                grid-template-columns: 1.1fr 1fr;
            }

            .horizontal-card:nth-child(even) .horizontal-card-media {
                order: 2;
            }
        }

        .horizontal-card-media {
            min-height: 260px;
            overflow: hidden;
            position: relative;
        }

        .horizontal-card-media img {
            transition: transform 0.6s ease;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .horizontal-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 15, 20, 0.1), rgba(11, 15, 20, 0.6));
            pointer-events: none;
        }

        .horizontal-card-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.9rem;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover,
        .faq-item.open {
            border-color: var(--border-neon);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
            font-size: 1rem;
            transition: background 0.3s ease;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: -2px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 2rem;
            height: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 255, 0, 0.08);
            color: var(--neon);
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 800;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--neon);
            color: #000;
            box-shadow: 0 0 14px rgba(200, 255, 0, 0.4);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 260px;
        }

        .faq-answer p {
            padding: 0 1.5rem 1.5rem 4.5rem;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-default);
            border-radius: 1.25rem;
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all 0.35s ease;
            position: relative;
        }

        .step-card:hover {
            background: #1a222c;
            border-color: var(--border-neon);
            box-shadow: 0 0 30px rgba(200, 255, 0, 0.08);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, var(--neon), var(--neon-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            opacity: 0.9;
        }

        .stat-number {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1;
            color: var(--neon);
            text-shadow: 0 0 24px rgba(200, 255, 0, 0.35);
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 4rem;
            }
        }

        .heatline-bg {
            background-image: repeating-linear-gradient(135deg,
                    rgba(255, 255, 255, 0.03) 0px,
                    rgba(255, 255, 255, 0.03) 2px,
                    transparent 2px,
                    transparent 8px);
        }

        .hero-glow-text {
            text-shadow: 0 0 30px rgba(200, 255, 0, 0.5);
        }

        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 60;
            background: rgba(7, 9, 12, 0.96);
            backdrop-filter: blur(6px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transition: all 0.35s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu a {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            padding: 0.5rem 1rem;
            border-left: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .mobile-menu a:hover {
            color: var(--neon);
            border-left-color: var(--neon);
        }

        .mobile-menu a.active {
            color: var(--neon);
            text-shadow: 0 0 16px rgba(200, 255, 0, 0.4);
        }

        .mobile-menu a:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: 3px;
        }

        .site-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--neon), var(--neon-pink));
            z-index: 1;
        }

        .mobile-close-btn {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-default);
            border-radius: 9999px;
            transition: all 0.3s ease;
        }

        .mobile-close-btn:hover {
            background: rgba(200, 255, 0, 0.12);
            color: var(--neon);
        }

        .mobile-close-btn:focus-visible {
            outline: 2px solid var(--neon-pink);
            outline-offset: 2px;
        }

        @media (max-width: 767px) {
            .hero-h1 {
                font-size: 2.4rem;
                line-height: 1.15;
            }
        }

/* roulang page: article */
:root {
  --neon: #C8FF00;
  --magenta: #FF3D81;
  --bg: #0B0F14;
  --card: #151B22;
  --panel: #1C242E;
  --text: #E8F0F7;
  --soft: #95A5B5;
  --muted: #5C6B7A;
  --border: rgba(255, 255, 255, 0.08);
  --border-neon: rgba(200, 255, 0, 0.4);
  --radius: 1rem;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  --glow: 0 0 20px rgba(200, 255, 0, 0.25);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
.container-site {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 768px) {
  .container-site { padding-inline: 2rem; }
}
#siteHeader::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--magenta));
  z-index: 1;
}
#siteHeader.header-scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: #cbd5e1;
  padding: 0.5rem 0;
  transition: color 0.3s;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(200, 255, 0, 0.6);
  border-radius: 2px;
}
.nav-link:hover::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: rgba(200, 255, 0, 0.35);
  border-radius: 2px;
}
.logo-glow {
  text-shadow: 0 0 14px rgba(200, 255, 0, 0.5);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--neon);
  color: #000;
  font-weight: 700;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s;
  box-shadow: 0 0 0 rgba(200, 255, 0, 0);
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: #d6ff4d;
  box-shadow: 0 0 24px rgba(200, 255, 0, 0.4);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid var(--border-neon);
  color: var(--neon);
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  background: transparent;
  transition: all 0.3s;
}
.btn-outline:hover {
  background: rgba(200, 255, 0, 0.1);
  box-shadow: 0 0 20px rgba(200, 255, 0, 0.2);
  transform: translateY(-2px);
}
.neon-divider {
  height: 1px;
  background: linear-gradient(90deg, var(--neon), var(--magenta));
  border: none;
}
.footer-link {
  color: var(--soft);
  font-size: 0.9rem;
  transition: color 0.3s, padding-left 0.3s;
}
.footer-link:hover {
  color: var(--neon);
  padding-left: 4px;
}
.footer-col-title {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.tag-pill {
  display: inline-block;
  background: rgba(200, 255, 0, 0.12);
  border: 1px solid rgba(200, 255, 0, 0.3);
  color: var(--neon);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.75rem;
  border-radius: 9999px;
}
.card-base {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  transition: all 0.3s;
}
.card-base:hover {
  border-color: var(--border-neon);
  box-shadow: 0 0 24px rgba(200, 255, 0, 0.1);
  transform: translateY(-4px);
}
.input-base {
  width: 100%;
  height: 3rem;
  padding: 0 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.75rem;
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s;
}
.input-base::placeholder { color: var(--muted); }
.input-base:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.15);
}
.section-pad { padding: 5rem 0; }
@media (min-width: 768px) { .section-pad { padding: 7rem 0; } }
.article-body {
  line-height: 1.8;
  font-size: 17px;
  color: #d6e2ec;
}
.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: #fff;
}
.article-body h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: #fff;
}
.article-body p { margin-bottom: 1.25rem; }
.article-body img { border-radius: 1rem; margin: 1.5rem 0; }
.article-body ul, .article-body ol { margin: 1rem 0 1.25rem; padding-left: 1.5rem; }
.article-body ul li { list-style: disc; margin-bottom: 0.4rem; }
.article-body ol li { list-style: decimal; margin-bottom: 0.4rem; }
.article-body blockquote {
  border-left: 4px solid var(--neon);
  padding: 0.75rem 1.25rem;
  background: rgba(200, 255, 0, 0.05);
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 1.5rem 0;
  color: var(--soft);
}
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.article-body th, .article-body td { padding: 0.75rem 1rem; border: 1px solid var(--border); text-align: left; }
.article-body th { background: var(--panel); font-weight: 600; }
.article-body code { background: var(--panel); padding: 0.2rem 0.5rem; border-radius: 0.375rem; font-size: 0.9em; }
#mobileMenu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  z-index: 60;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
#mobileMenu.open { opacity: 1; visibility: visible; }
#mobileMenu a { font-size: 1.5rem; font-weight: 700; color: var(--text); transition: color 0.2s; }
#mobileMenu a:hover { color: var(--neon); }
.fixed-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: var(--border-neon); box-shadow: 0 0 20px rgba(200, 255, 0, 0.06); }
.faq-q {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
}
.faq-icon {
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--soft);
}
.faq-a-inner { padding: 0 1.5rem 1.25rem 3.35rem; font-size: 0.95rem; }
.js .fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .fade-up.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js .fade-up { opacity: 1; transform: none; transition: none; }
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}
@media (max-width: 640px) {
  .article-body { font-size: 16px; }
  .section-pad { padding: 3.5rem 0; }
}

/* roulang page: category3 */
:root {
            --neon: #C8FF00;
            --pink: #FF3D81;
            --bg: #0B0F14;
            --card: #151B22;
            --panel: #1C242E;
            --text: #E8F0F7;
            --soft: #95A5B5;
            --disabled: #5C6B7A;
            --border: rgba(255, 255, 255, 0.08);
            --neon-border: rgba(200, 255, 0, 0.4);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, opacity .2s ease;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .text-neon {
            color: var(--neon);
        }

        .text-soft {
            color: var(--soft);
        }

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

        .logo-glow {
            text-shadow: 0 0 20px rgba(200, 255, 0, 0.5);
        }

        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, #C8FF00, #FF3D81);
            border: none;
        }

        .nav-link {
            position: relative;
            color: #cbd5e1;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 2px;
            transition: color .25s ease;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: var(--neon);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--neon);
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.7);
            border-radius: 2px;
        }

        .nav-link-mobile {
            color: #e2e8f0;
            font-size: 1.4rem;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 12px;
            transition: all .25s ease;
        }

        .nav-link-mobile:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--neon);
        }

        .nav-link-mobile.active {
            color: var(--neon);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--neon);
            color: #0a0a0a;
            font-weight: 700;
            border-radius: 999px;
            border: 1px solid transparent;
            box-shadow: 0 0 22px rgba(200, 255, 0, 0.25);
            transition: all .3s ease;
        }

        .btn-primary:hover {
            background: #d6ff2e;
            box-shadow: 0 0 32px rgba(200, 255, 0, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            font-weight: 600;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all .3s ease;
        }

        .btn-outline:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 18px rgba(200, 255, 0, 0.18);
            transform: translateY(-2px);
        }

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

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

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(200, 255, 0, 0.06);
            border: 1px solid rgba(200, 255, 0, 0.2);
            color: var(--neon);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .card-dark {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 1rem;
            transition: background .3s ease, border-color .3s ease, transform .3s ease, box-shadow .3s ease;
        }

        .card-dark:hover {
            background: #1a222b;
            border-color: rgba(200, 255, 0, 0.3);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
            transform: translateY(-4px);
        }

        .footer-link {
            color: var(--soft);
            font-size: 0.9rem;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-link:hover {
            color: var(--neon);
            padding-left: 4px;
        }

        .footer-col-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--neon);
            box-shadow: 0 0 8px rgba(200, 255, 0, 0.5);
        }

        .timeline {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
            padding-left: 48px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--neon), var(--pink));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 48px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-marker {
            position: absolute;
            left: -48px;
            top: 4px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--card);
            border: 2px solid var(--neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--neon);
            box-shadow: 0 0 18px rgba(200, 255, 0, 0.35);
            z-index: 2;
        }

        .timeline-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 1rem;
            padding: 24px 28px;
            transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
        }

        .timeline-card:hover {
            border-color: rgba(200, 255, 0, 0.35);
            box-shadow: 0 0 24px rgba(200, 255, 0, 0.1);
            transform: translateX(4px);
        }

        .timeline-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .timeline-card h3 i {
            color: var(--neon);
            font-size: 1rem;
        }

        .timeline-card p {
            color: var(--soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 40px;
            }
            .timeline-marker {
                left: -40px;
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
            .timeline-card {
                padding: 18px 20px;
            }
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 1rem;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .faq-item.open {
            border-color: rgba(200, 255, 0, 0.3);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.07);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            cursor: pointer;
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            transition: color .25s ease;
            user-select: none;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.08);
            border: 1px solid rgba(200, 255, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon);
            font-size: 0.9rem;
            transition: all .3s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--neon);
            color: #000;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 22px;
            color: var(--soft);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.1;
            color: var(--neon);
            text-shadow: 0 0 24px rgba(200, 255, 0, 0.45);
        }

        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.8rem;
            }
        }

        .event-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all .3s ease;
        }

        .event-tag:hover {
            border-color: var(--neon);
            color: var(--neon);
            box-shadow: 0 0 16px rgba(200, 255, 0, 0.15);
            transform: translateY(-3px);
        }

        .event-tag i {
            color: var(--pink);
        }

        .event-tag:hover i {
            color: var(--neon);
        }

        .fade-up {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity .7s ease, transform .7s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .hero-grid-overlay {
            background-image: radial-gradient(circle at 20% 30%, rgba(200, 255, 0, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(255, 61, 129, 0.06) 0%, transparent 45%);
        }

        .form-input {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text);
            font-size: 0.95rem;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .form-input::placeholder {
            color: var(--disabled);
        }

        .form-input:focus {
            border-color: var(--neon);
            box-shadow: 0 0 0 3px rgba(200, 255, 0, 0.18);
        }

/* roulang page: category2 */
:root {
            --neon: #C8FF00;
            --pink: #FF3D81;
            --bg: #0B0F14;
            --card: #151B22;
            --panel: #1C242E;
            --text-main: #E8F0F7;
            --text-soft: #95A5B5;
            --text-dim: #5C6B7A;
            --border: rgba(255, 255, 255, 0.08);
            --border-neon: rgba(200, 255, 0, 0.4);
            --radius: 16px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            --glow: 0 0 20px rgba(200, 255, 0, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        input,
        select,
        textarea {
            font: inherit;
            outline: none;
        }

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-site {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .logo-glow {
            text-shadow: 0 0 20px rgba(200, 255, 0, 0.5);
        }

        .text-neon {
            color: var(--neon);
        }

        .text-soft {
            color: var(--text-soft);
        }

        .btn-primary {
            background: var(--neon);
            color: #000;
            font-weight: 700;
            border-radius: 9999px;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #d8ff4a;
            box-shadow: 0 0 35px rgba(200, 255, 0, 0.55);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 15px rgba(200, 255, 0, 0.4);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid rgba(200, 255, 0, 0.5);
            border-radius: 9999px;
            color: var(--neon);
            font-weight: 600;
            background: rgba(200, 255, 0, 0.05);
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(200, 255, 0, 0.12);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.2);
            transform: translateY(-2px);
        }

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

        .btn-outline:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.4);
            outline-offset: 2px;
        }

        .nav-link {
            color: #94A3B8;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 8px 2px;
            transition: color 0.3s;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: var(--neon);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--neon);
            box-shadow: 0 0 12px rgba(200, 255, 0, 0.6);
        }

        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, var(--neon), var(--pink));
            border: none;
        }

        .footer-link {
            color: var(--text-soft);
            font-size: 14px;
            transition: color 0.3s;
            display: inline-block;
            padding: 4px 0;
        }

        .footer-link:hover {
            color: var(--neon);
        }

        .footer-col-title {
            color: var(--text-main);
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .timeline-line {
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--neon), var(--pink));
        }

        @media (min-width: 768px) {
            .timeline-line {
                left: 28px;
            }
        }

        .timeline-dot {
            position: absolute;
            left: 8px;
            top: 32px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--neon);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.6);
            z-index: 1;
        }

        @media (min-width: 768px) {
            .timeline-dot {
                left: 20px;
            }
        }

        .timeline-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 28px;
            transition: border-color 0.3s, box-shadow 0.3s;
            position: relative;
        }

        .timeline-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 25px rgba(200, 255, 0, 0.08);
        }

        .tl-num {
            font-size: 44px;
            font-weight: 900;
            line-height: 1;
            color: var(--neon);
            -webkit-text-stroke: 1px var(--neon);
            color: transparent;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .tl-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-soft);
            font-size: 14px;
            padding: 4px 0;
        }

        .tl-check-list i {
            color: var(--neon);
            margin-top: 4px;
            font-size: 12px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item.open {
            border-color: var(--border-neon);
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.06);
        }

        .faq-question {
            width: 100%;
            padding: 22px 26px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            text-align: left;
            color: var(--text-main);
            transition: color 0.3s;
        }

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

        .faq-question:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.4);
            outline-offset: -2px;
        }

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.1);
            color: var(--neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s, background 0.3s;
        }

        .faq-item.open .faq-icon {
            background: var(--neon);
            color: #000;
            transform: rotate(90deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 26px;
            color: var(--text-soft);
            line-height: 1.7;
            font-size: 14px;
        }

        .faq-answer.open {
            max-height: 280px;
            padding-bottom: 22px;
        }

        .anim-item {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .anim-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .form-input {
            width: 100%;
            height: 50px;
            padding: 0 16px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            font-size: 14px;
            transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
        }

        .form-input::placeholder {
            color: var(--text-dim);
        }

        .form-input:focus {
            border-color: var(--neon);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(200, 255, 0, 0.12);
        }

        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2395A5B5' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 18px;
            padding-right: 44px;
        }

        .form-btn {
            width: 100%;
            height: 50px;
            border-radius: 12px;
            background: var(--neon);
            color: #000;
            font-weight: 700;
            font-size: 15px;
            transition: all 0.3s;
            box-shadow: 0 0 20px rgba(200, 255, 0, 0.25);
        }

        .form-btn:hover {
            background: #d8ff4a;
            box-shadow: 0 0 30px rgba(200, 255, 0, 0.5);
            transform: translateY(-2px);
        }

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

        .form-btn:focus-visible {
            outline: 3px solid rgba(200, 255, 0, 0.4);
            outline-offset: 2px;
        }

        .scenario-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .scenario-card:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 25px rgba(200, 255, 0, 0.08);
            transform: translateY(-4px);
        }

        .scenario-card:hover .scenario-icon {
            background: var(--neon);
            color: #000;
        }

        .scenario-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(200, 255, 0, 0.1);
            color: var(--neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all 0.35s;
        }

        .stat-number {
            font-size: clamp(40px, 6vw, 64px);
            font-weight: 900;
            line-height: 1;
            color: var(--neon);
            text-shadow: 0 0 30px rgba(200, 255, 0, 0.4);
            letter-spacing: -2px;
        }

        .hero-overlay {
            background: linear-gradient(180deg, rgba(11, 15, 20, 0.55) 0%, rgba(11, 15, 20, 0.75) 55%, #0B0F14 100%);
        }

        .capability-item {
            display: flex;
            gap: 20px;
            padding: 28px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 16px;
            transition: all 0.3s;
        }

        .capability-item:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 25px rgba(200, 255, 0, 0.08);
            transform: translateY(-3px);
        }

        .capability-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(200, 255, 0, 0.15), rgba(255, 61, 129, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon);
            font-size: 20px;
            flex-shrink: 0;
        }

        @media (max-width: 640px) {
            .tl-num {
                font-size: 34px;
            }
            .timeline-card {
                padding: 20px;
            }
        }