/* roulang page: index */
:root {
            --bg-deep: #0C0C18;
            --bg-alt: #13132A;
            --bg-footer: #080812;
            --bg-card: rgba(20, 20, 45, 0.85);
            --card-border: rgba(139, 61, 255, 0.15);
            --card-border-hover: rgba(139, 61, 255, 0.5);
            --brand-purple: #8B3DFF;
            --brand-cyan: #00E5A0;
            --accent-amber: #FF6B35;
            --text-white: #FFFFFF;
            --text-body: #D0D0E0;
            --text-muted: #7A7A9A;
            --text-dim: #4A4A60;
            --text-placeholder: #5A5A78;
            --radius-btn: 8px;
            --radius-btn-sm: 6px;
            --radius-card: 12px;
            --radius-img: 8px;
            --radius-faq: 6px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 8px 32px rgba(139, 61, 255, 0.18);
            --shadow-btn-hover: 0 4px 20px rgba(139, 61, 255, 0.35);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-num: 'Inter', 'SF Pro Display', sans-serif;
            --nav-height: 72px;
            --nav-height-mobile: 60px;
            --container-max: 1200px;
            --section-pad: 120px;
            --section-pad-mobile: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            overflow-x: hidden;
            min-width: 320px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all 0.3s ease;
        }
        input {
            font-family: inherit;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ========== NAVIGATION ========== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
            background-color: transparent;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
        }
        .nav.scrolled {
            background-color: rgba(12, 12, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: 0.03em;
            white-space: nowrap;
            z-index: 1001;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-purple), #6A1FD8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            position: relative;
            box-shadow: 0 0 18px rgba(139, 61, 255, 0.45);
        }
        .nav-logo-icon::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            border: 2px solid rgba(139, 61, 255, 0.4);
            animation: logoPulse 2.5s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.5;
            }
            50% {
                transform: scale(1.18);
                opacity: 0.15;
            }
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            color: var(--text-body);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-purple);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: var(--text-white);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: none;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(8, 8, 18, 0.97);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 36px;
        }
        .nav-mobile-menu.open {
            display: flex;
        }
        .nav-mobile-menu a {
            color: var(--text-white);
            font-size: 1.35rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: color 0.25s ease;
        }
        .nav-mobile-menu a:hover {
            color: var(--brand-purple);
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-color: var(--bg-deep);
            overflow: hidden;
            padding-top: var(--nav-height);
        }
        .hero-canvas {
            position: absolute;
            inset: 0;
            z-index: 0;
            pointer-events: none;
        }
        .hero-glow-1 {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 61, 255, 0.18) 0%, transparent 70%);
            top: -120px;
            right: -100px;
            pointer-events: none;
            z-index: 0;
            animation: glowFloat 8s ease-in-out infinite;
        }
        .hero-glow-2 {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.10) 0%, transparent 70%);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
            z-index: 0;
            animation: glowFloat 10s ease-in-out infinite reverse;
        }
        @keyframes glowFloat {
            0%,
            100% {
                transform: translate(0, 0);
            }
            33% {
                transform: translate(30px, -25px);
            }
            66% {
                transform: translate(-20px, 20px);
            }
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 20px;
            padding-bottom: 40px;
        }
        .hero-content {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(139, 61, 255, 0.12);
            border: 1px solid rgba(139, 61, 255, 0.25);
            color: var(--brand-purple);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 22px;
        }
        .hero h1 {
            font-family: var(--font-zh);
            font-size: clamp(2.4rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--brand-purple), #b370ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 34px;
            max-width: 540px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: all 0.3s ease;
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--brand-purple), #6E28D9);
            color: #fff;
            border: none;
            box-shadow: 0 4px 18px rgba(139, 61, 255, 0.3);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px) scale(1.03);
            background: linear-gradient(135deg, #9B50FF, #7A35E8);
        }
        .btn-outline {
            background: transparent;
            color: var(--brand-cyan);
            border: 2px solid var(--brand-cyan);
        }
        .btn-outline:hover {
            background: rgba(0, 229, 160, 0.08);
            box-shadow: 0 4px 20px rgba(0, 229, 160, 0.2);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-body);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 12px 24px;
            font-size: 0.9rem;
        }
        .btn-ghost:hover {
            border-color: var(--brand-purple);
            color: var(--text-white);
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-pad) 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--brand-purple);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-h2 {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 50px;
            max-width: 600px;
        }

        /* ========== SOLUTION ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: 6fr 4fr;
            gap: 50px;
            align-items: center;
        }
        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .solution-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            border-radius: var(--radius-card);
            background: var(--bg-card);
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
            position: relative;
        }
        .solution-item:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }
        .solution-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            bottom: 16px;
            width: 3px;
            background: var(--brand-purple);
            border-radius: 2px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .solution-item:hover::before {
            opacity: 1;
        }
        .solution-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(139, 61, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-purple);
        }
        .solution-item h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .solution-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .solution-image-wrap {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 2px solid rgba(139, 61, 255, 0.2);
            box-shadow: 0 0 40px rgba(139, 61, 255, 0.08);
            aspect-ratio: 3/4;
        }
        .solution-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .solution-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 12, 24, 0.1) 0%, rgba(12, 12, 24, 0.55) 100%);
            pointer-events: none;
        }

        /* ========== DATA ========== */
        .data-strip {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 60px;
            padding: 36px 40px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
        }
        .data-item {
            text-align: center;
            flex: 1;
            min-width: 140px;
        }
        .data-number {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 800;
            color: var(--brand-cyan);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .data-number .suffix {
            font-size: 1.5rem;
            font-weight: 700;
        }
        .data-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }
        .case-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .case-card-img img {
            transform: scale(1.06);
        }
        .case-card-body {
            padding: 22px 24px;
            flex: 1;
        }
        .case-year {
            display: inline-block;
            font-family: var(--font-num);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--brand-purple);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            background: rgba(139, 61, 255, 0.1);
            padding: 3px 10px;
            border-radius: 4px;
        }
        .case-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .case-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-layout {
            display: flex;
            gap: 30px;
            align-items: stretch;
        }
        .testimonial-featured {
            flex: 0 0 42%;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all 0.3s ease;
            position: relative;
        }
        .testimonial-featured:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .testimonial-quote-icon {
            font-size: 5rem;
            line-height: 0.6;
            color: var(--brand-purple);
            opacity: 0.5;
            font-family: Georgia, serif;
            pointer-events: none;
            margin-bottom: 8px;
        }
        .testimonial-featured .quote-text {
            font-size: 1.2rem;
            color: var(--text-white);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 20px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--brand-purple);
            overflow: hidden;
            flex-shrink: 0;
        }
        .testimonial-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .testimonial-author-name {
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
        }
        .testimonial-author-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .testimonial-side {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .testimonial-card-sm {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 22px 24px;
            transition: all 0.3s ease;
            position: relative;
        }
        .testimonial-card-sm:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .testimonial-card-sm .quote-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.65;
            font-style: italic;
            margin-bottom: 14px;
        }
        .testimonial-card-sm .testimonial-avatar {
            width: 38px;
            height: 38px;
        }

        /* ========== CTA + FAQ ========== */
        .cta-faq-wrapper {
            display: flex;
            flex-direction: column;
            gap: 60px;
        }
        .cta-block {
            text-align: center;
            padding: 50px 30px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 61, 255, 0.10) 0%, transparent 70%);
            top: -60px;
            right: -60px;
            pointer-events: none;
        }
        .cta-block h2 {
            color: var(--text-white);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-subtitle {
            color: var(--text-muted);
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .faq-block {
            max-width: 760px;
            margin: 0 auto;
            width: 100%;
        }
        .faq-block .section-h2 {
            text-align: center;
            margin-bottom: 36px;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }
        .faq-question {
            width: 100%;
            background: none;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 40px 18px 8px;
            text-align: left;
            cursor: pointer;
            border: none;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: 0.02em;
            transition: color 0.25s ease;
            border-radius: var(--radius-faq);
        }
        .faq-question:hover {
            color: var(--brand-purple);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-right: 2px solid var(--brand-purple);
            border-bottom: 2px solid var(--brand-purple);
            transform: rotate(45deg);
            transition: transform 0.35s ease;
            margin-left: auto;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(-135deg);
        }
        .faq-item.open .faq-question {
            color: var(--brand-purple);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 8px 18px 36px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            border-left: 2px solid var(--brand-purple);
            margin-left: 8px;
            opacity: 0;
            transition: opacity 0.3s ease 0.1s;
        }
        .faq-item.open .faq-answer-inner {
            opacity: 1;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--bg-footer);
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
        }
        .footer-brand .nav-logo {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .footer-tagline {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-contact p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .footer-contact a {
            color: var(--brand-cyan);
            transition: color 0.25s ease;
        }
        .footer-contact a:hover {
            color: var(--brand-purple);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-dim);
        }

        /* ========== ANIMATIONS ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .container {
                max-width: 960px;
            }
            .solution-grid {
                gap: 36px;
            }
        }
        @media (max-width: 991px) {
            :root {
                --section-pad: 80px;
            }
            .container {
                max-width: 100%;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .solution-image-wrap {
                aspect-ratio: 16/9;
                max-height: 380px;
            }
            .testimonials-layout {
                flex-direction: column;
            }
            .testimonial-featured {
                flex: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .data-strip {
                gap: 20px;
                padding: 28px 24px;
            }
            .data-number {
                font-size: 2.4rem;
            }
            .case-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-pad: 60px;
                --nav-height: 60px;
            }
            .nav {
                height: var(--nav-height);
            }
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .hero {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 20px);
                padding-bottom: 50px;
            }
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-btns {
                justify-content: center;
            }
            .section-h2 {
                font-size: 1.55rem;
            }
            .section-subtitle {
                margin-bottom: 30px;
                font-size: 0.95rem;
            }
            .data-strip {
                flex-direction: column;
                gap: 20px;
                padding: 24px 20px;
                text-align: center;
            }
            .data-number {
                font-size: 2.2rem;
            }
            .case-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .case-card-img {
                height: 160px;
            }
            .testimonials-layout {
                gap: 16px;
            }
            .testimonial-featured {
                padding: 24px 20px;
            }
            .testimonial-featured .quote-text {
                font-size: 1rem;
            }
            .cta-btns {
                flex-direction: column;
                align-items: center;
            }
            .cta-btns .btn {
                width: 100%;
                max-width: 280px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 36px 16px 4px;
            }
            .faq-answer-inner {
                padding-left: 20px;
                margin-left: 4px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-brand .nav-logo {
                justify-content: center;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding: 0 16px;
            }
            section {
                padding: 50px 0;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .solution-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .solution-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
                border-radius: 8px;
            }
            .solution-item h3 {
                font-size: 1rem;
            }
            .data-number {
                font-size: 1.8rem;
            }
            .data-label {
                font-size: 0.78rem;
            }
            .case-card-body {
                padding: 16px 18px;
            }
            .case-card h3 {
                font-size: 1rem;
            }
            .testimonial-card-sm .quote-text {
                font-size: 0.85rem;
            }
            .faq-block {
                max-width: 100%;
            }
            .cta-block {
                padding: 32px 18px;
            }
            .footer {
                padding: 36px 0 24px;
            }
        }