/* roulang page: index */
:root {
            --blue: #2A7DE1;
            --orange: #FF6B35;
            --bg: #F4F8FC;
            --white: #FFFFFF;
            --dark: #1E2A3A;
            --muted: #5F6C80;
            --border: #E9EDF2;
            --divider: #ECF0F5;
            --footer: #1A2530;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 20px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-btn-orange: 0 2px 8px rgba(255, 107, 53, 0.3);
            --transition-base: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            color: var(--dark);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:focus-visible {
            outline: 2px solid var(--blue);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            transition: var(--transition-base);
        }
        button:focus-visible {
            outline: 2px solid var(--blue);
            outline-offset: 3px;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: var(--white);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--dark);
            letter-spacing: 0.5px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-link:hover {
            color: var(--blue);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .logo-text {
            white-space: nowrap;
        }
        .logo-text .logo-brand {
            color: var(--blue);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--dark);
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--blue);
            border-radius: 1px;
            transition: width 0.2s ease;
        }
        .nav-links a:hover {
            color: var(--blue);
        }
        .nav-links a:hover::after {
            width: 100%;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 22px;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-btn-orange);
            white-space: nowrap;
            text-decoration: none;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: #e85d2a;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
            transform: translateY(-1px);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1100;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--dark);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 20px 24px 32px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transform: translateY(-110%);
            transition: transform 0.3s ease;
        }
        .mobile-menu.open {
            transform: translateY(0);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--dark);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: var(--transition-base);
        }
        .mobile-menu a:hover {
            background: var(--bg);
            color: var(--blue);
        }

        /* Section common */
        .section-pad {
            padding: 100px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--dark);
            text-align: center;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        /* Hero */
        #hero {
            padding-top: 120px;
            padding-bottom: 80px;
            background: linear-gradient(170deg, #F4F8FC 0%, #e8f0f8 40%, #F4F8FC 100%);
            position: relative;
            overflow: hidden;
        }
        #hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(42, 125, 225, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        #hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.03) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--dark);
            margin: 0 0 16px;
        }
        .hero-text h1 .highlight {
            color: var(--blue);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 460px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-btn-orange);
            text-decoration: none;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #e85d2a;
            box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--blue);
            font-weight: 600;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--blue);
            text-decoration: none;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(42, 125, 225, 0.05);
            transform: translateY(-2px);
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
            max-width: 100%;
            animation: float 4s ease-in-out infinite;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }
        .live-badge {
            position: absolute;
            top: 12px;
            right: 16px;
            background: #ff3b30;
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            animation: pulse-dot 1.6s infinite;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .live-badge::before {
            content: '';
            width: 7px;
            height: 7px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* Value Props */
        .value-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .value-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .value-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d0d8e0;
        }
        .value-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: #eaf3fb;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--blue);
            transition: var(--transition-base);
        }
        .value-card:hover .value-icon {
            background: #fff0eb;
            color: var(--orange);
        }
        .value-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--dark);
        }
        .value-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }
        .value-highlight-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--blue);
            margin-bottom: 4px;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 16px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition-base);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .feature-card.span-full {
            grid-column: 1 / -1;
            flex-direction: row;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d0d8e0;
        }
        .feature-icon-box {
            width: 56px;
            height: 56px;
            min-width: 56px;
            border-radius: var(--radius-md);
            background: #eaf3fb;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--blue);
            transition: var(--transition-base);
        }
        .feature-card:hover .feature-icon-box {
            background: #fff0eb;
            color: var(--orange);
        }
        .feature-card .feature-img {
            width: 180px;
            min-width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .feature-info h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--dark);
        }
        .feature-info p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* Scenes */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scene-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            filter: brightness(0.92) saturate(0.85);
            transition: var(--transition-base);
        }
        .scene-card:hover img {
            filter: brightness(1) saturate(1);
        }
        .scene-info {
            padding: 20px;
        }
        .scene-info h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--dark);
        }
        .scene-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* Cases / Data */
        .cases-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
            margin-top: 16px;
        }
        .cases-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .cases-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .cases-scroll::-webkit-scrollbar-thumb {
            background: #d0d8e0;
            border-radius: 10px;
        }
        .case-card {
            min-width: 240px;
            flex: 0 0 auto;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            scroll-snap-align: start;
            transition: var(--transition-base);
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .case-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--blue);
            margin-bottom: 4px;
            line-height: 1;
        }
        .case-num.orange {
            color: var(--orange);
        }
        .case-label {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 700px;
            margin: 16px auto 0;
        }
        .pricing-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition-base);
        }
        .pricing-card.recommended {
            border: 2px solid var(--blue);
            box-shadow: 0 8px 28px rgba(42, 125, 225, 0.12);
            background: #fafcfe;
            transform: scale(1.03);
        }
        .pricing-card.recommended:hover {
            transform: scale(1.05);
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .pricing-card.recommended:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 32px rgba(42, 125, 225, 0.16);
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--blue);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin: 0 0 8px;
        }
        .pricing-price {
            font-size: 40px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 4px;
        }
        .pricing-price span {
            font-size: 16px;
            font-weight: 400;
            color: var(--muted);
        }
        .pricing-desc {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 16px;
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }
        .pricing-features li {
            font-size: 14px;
            color: var(--muted);
            padding: 6px 0;
            padding-left: 22px;
            position: relative;
        }
        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--blue);
            font-weight: 700;
        }

        /* FAQ */
        .faq-list {
            max-width: 750px;
            margin: 16px auto 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--divider);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 4px;
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: var(--transition-base);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--blue);
        }
        .faq-arrow {
            font-size: 14px;
            color: var(--muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--blue);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 4px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 4px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }
        .faq-item.active .faq-question {
            color: var(--blue);
        }

        /* Download CTA */
        #download {
            background: linear-gradient(135deg, #eaf3fb 0%, #f4f8fc 50%, #e8f0f8 100%);
            text-align: center;
        }
        .download-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            max-width: 550px;
            margin: 0 auto;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .download-card h2 {
            font-size: 24px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--dark);
        }
        .download-card p {
            font-size: 15px;
            color: var(--muted);
            margin: 0 0 20px;
        }
        .btn-download-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-btn-orange);
            text-decoration: none;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .btn-download-lg:hover {
            background: #e85d2a;
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.45);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--footer);
            color: #c5cdd5;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-link-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            margin-bottom: 10px;
            text-decoration: none;
        }
        .footer-brand p {
            font-size: 13px;
            color: #9aa3ae;
            margin: 0;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 8px;
        }
        .footer-links ul li a {
            font-size: 13px;
            color: #9aa3ae;
            text-decoration: none;
            transition: var(--transition-base);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .social-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #c5cdd5;
            font-size: 16px;
            transition: var(--transition-base);
            text-decoration: none;
        }
        .social-icon:hover {
            background: var(--blue);
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #6b7583;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 32px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenes-grid .scene-card:last-child {
                grid-column: 1 / -1;
                max-width: 400px;
                justify-self: center;
            }
            .pricing-grid {
                max-width: 600px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .btn-nav-cta.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .section-pad {
                padding: 60px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 32px;
            }
            #hero {
                padding-top: 100px;
                padding-bottom: 50px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 28px;
                line-height: 1.3;
            }
            .hero-subtitle {
                margin: 0 auto 22px;
                max-width: 380px;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual img {
                max-width: 280px;
                margin: 0 auto;
            }
            .value-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card.span-full {
                flex-direction: column;
            }
            .feature-card .feature-img {
                width: 100%;
                min-width: auto;
                height: 160px;
            }
            .feature-card {
                flex-direction: column;
                gap: 14px;
            }
            .scenes-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenes-grid .scene-card:last-child {
                grid-column: auto;
                max-width: none;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                max-width: 380px;
            }
            .pricing-card.recommended {
                transform: none;
            }
            .pricing-card.recommended:hover {
                transform: translateY(-3px);
            }
            .cases-scroll {
                gap: 14px;
            }
            .case-card {
                min-width: 180px;
                padding: 18px 14px;
            }
            .case-num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .download-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 24px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                font-size: 15px;
                padding: 12px 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-visual img {
                max-width: 220px;
            }
            .pricing-card {
                padding: 24px 18px;
            }
            .pricing-price {
                font-size: 32px;
            }
        }