/* roulang page: index */
:root {
            --bg-base: #0a0a0f;
            --bg-alt: #0e0e15;
            --bg-card: #111118;
            --bg-footer: #06060a;
            --blue: #00c8ff;
            --blue-glow: rgba(0, 200, 255, 0.2);
            --blue-glow-strong: rgba(0, 200, 255, 0.35);
            --purple: #8b2fc9;
            --purple-glow: rgba(139, 47, 201, 0.4);
            --gold: #d4a843;
            --gold-hover: #e0b855;
            --gold-glow: rgba(212, 168, 67, 0.35);
            --pink: #ff2e63;
            --green: #1edc8a;
            --text-main: #e8e8ef;
            --text-sub: #a0a0b8;
            --text-weak: #6a6a7a;
            --text-white: #ffffff;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-card: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 200, 255, 0.35);
            --border-purple: rgba(139, 47, 201, 0.5);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --radius-xs: 4px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 0 24px rgba(212, 168, 67, 0.35);
            --shadow-blue: 0 0 12px rgba(0, 200, 255, 0.2);
            --container-max: 1200px;
            --nav-height: 68px;
            --nav-height-mobile: 56px;
            --section-gap: 100px;
            --section-gap-tablet: 80px;
            --section-gap-mobile: 56px;
            --transition-fast: 0.25s ease;
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-faq: 0.35s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Alibaba PuHuiTi', 'Helvetica Neue', system-ui, sans-serif;
            font-size: 15px;
            line-height: 1.7;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-base);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--blue);
            outline-offset: 2px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }

        /* Container */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Nav */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 10, 15, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.35s ease, height var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .site-nav.scrolled {
            background: rgba(10, 10, 15, 0.98);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 21px;
            font-weight: 700;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo .logo-star {
            display: inline-block;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--gold);
            font-size: 16px;
            line-height: 18px;
            text-align: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            transition: color var(--transition-fast);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--blue);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--blue);
            border-radius: 1px;
        }
        .nav-cta {
            display: inline-block;
            padding: 9px 22px;
            background: linear-gradient(135deg, #d4a843 0%, #c9952e 100%);
            color: #0a0a0f;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            filter: brightness(1.12);
            box-shadow: var(--shadow-gold);
            transform: scale(1.03);
            color: #0a0a0f;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .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 {
            position: fixed;
            inset: 0;
            background: rgba(10, 10, 15, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu a {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover {
            color: var(--blue);
        }
        .mobile-menu .mobile-cta {
            margin-top: 8px;
            padding: 14px 36px;
            background: linear-gradient(135deg, #d4a843 0%, #c9952e 100%);
            color: #0a0a0f;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .mobile-menu .mobile-cta:hover {
            filter: brightness(1.12);
            box-shadow: var(--shadow-gold);
        }
        .mobile-close {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 32px;
            color: var(--text-main);
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1002;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            min-height: 100svh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: var(--bg-base);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(10, 10, 15, 0.3) 0%, rgba(10, 10, 15, 0.85) 100%);
        }
        .hero-grid-bg {
            position: absolute;
            inset: 0;
            z-index: 1;
            opacity: 0.04;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .hero-particle {
            position: absolute;
            z-index: 1;
            border-radius: 50%;
            pointer-events: none;
            animation: floatParticle 8s ease-in-out infinite;
            opacity: 0.35;
        }
        .hero-particle:nth-child(1) {
            width: 6px;
            height: 6px;
            top: 22%;
            left: 18%;
            background: var(--blue);
            box-shadow: 0 0 16px var(--blue-glow);
            animation-delay: 0s;
            animation-duration: 9s;
        }
        .hero-particle:nth-child(2) {
            width: 4px;
            height: 4px;
            top: 55%;
            right: 20%;
            background: var(--purple);
            box-shadow: 0 0 12px rgba(139, 47, 201, 0.4);
            animation-delay: 2.5s;
            animation-duration: 7s;
        }
        .hero-particle:nth-child(3) {
            width: 5px;
            height: 5px;
            top: 35%;
            left: 55%;
            background: var(--gold);
            box-shadow: 0 0 14px rgba(212, 168, 67, 0.35);
            animation-delay: 4s;
            animation-duration: 10s;
        }
        @keyframes floatParticle {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            20% {
                transform: translate(30px, -40px) scale(1.6);
            }
            40% {
                transform: translate(-20px, -70px) scale(0.8);
            }
            60% {
                transform: translate(-35px, -20px) scale(1.4);
            }
            80% {
                transform: translate(15px, -55px) scale(0.9);
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: var(--nav-height);
            max-width: 620px;
        }
        .hero h1 {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin: 0 0 18px 0;
        }
        .hero h1 .highlight {
            color: var(--gold);
        }
        .hero-subtitle {
            font-size: 19px;
            font-weight: 400;
            line-height: 1.6;
            color: #c0c0d0;
            margin: 0 0 28px 0;
            max-width: 500px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            font-size: 15px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--blue);
            outline-offset: 2px;
        }
        .btn-primary {
            padding: 14px 32px;
            background: linear-gradient(135deg, #d4a843 0%, #c9952e 100%);
            color: #0a0a0f;
            font-size: 16px;
            border: none;
        }
        .btn-primary:hover {
            filter: brightness(1.15);
            box-shadow: var(--shadow-gold);
            transform: scale(1.03);
        }
        .btn-outline {
            padding: 14px 32px;
            background: transparent;
            color: var(--blue);
            border: 1.5px solid var(--blue);
            font-size: 16px;
        }
        .btn-outline:hover {
            background: rgba(0, 200, 255, 0.08);
            border-color: var(--blue);
            box-shadow: 0 0 20px rgba(0, 200, 255, 0.2);
        }
        .btn-text {
            padding: 8px 4px;
            background: transparent;
            color: var(--blue);
            border: none;
            font-size: 14px;
            font-weight: 500;
            position: relative;
        }
        .btn-text:hover {
            color: #33d4ff;
        }
        .btn-text::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 4px;
            right: 4px;
            height: 1px;
            background: var(--blue);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            transform-origin: left;
        }
        .btn-text:hover::after {
            transform: scaleX(1);
        }

        /* Sections */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
            text-align: center;
            margin: 0 0 8px 0;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--blue);
            margin: 14px auto 0;
            border-radius: 2px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            margin: 10px 0 48px 0;
            line-height: 1.6;
        }

        /* Features - asymmetric 2x2 */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1px 1fr;
            gap: 0 40px;
            align-items: start;
        }
        .features-col {
            display: flex;
            flex-direction: column;
            gap: 36px;
        }
        .features-divider {
            background: linear-gradient(180deg, transparent 0%, rgba(0, 200, 255, 0.35) 20%, rgba(139, 47, 201, 0.4) 50%, rgba(0, 200, 255, 0.35) 80%, transparent 100%);
            border-radius: 1px;
            min-height: 100%;
            width: 1px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .feature-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 22px;
            color: var(--blue);
            position: relative;
        }
        .feature-icon::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 10px;
            border: 1.5px solid rgba(0, 200, 255, 0.3);
            pointer-events: none;
        }
        .feature-text h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px 0;
            line-height: 1.3;
        }
        .feature-text p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.6;
        }

        /* Scenarios */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .scenario-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 200, 255, 0.15) inset;
        }
        .scenario-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .scenario-card:hover .scenario-img-wrap img {
            transform: scale(1.04);
        }
        .scenario-img-mask {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: linear-gradient(transparent, var(--bg-card));
            z-index: 1;
        }
        .scenario-body {
            padding: 18px 20px 22px;
            position: relative;
            z-index: 2;
        }
        .scenario-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px 0;
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.6;
        }

        /* Cases */
        .cases-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            margin-bottom: 56px;
        }
        .stat-item .stat-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.1;
            letter-spacing: -0.01em;
            font-variant-numeric: tabular-nums;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Helvetica Neue', system-ui, sans-serif;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 8px;
            line-height: 1.4;
        }
        .cases-skew-wrap {
            position: relative;
            padding: 48px 0;
            margin: 0 -24px;
        }
        .cases-skew-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            left: -5%;
            right: -5%;
            height: 100%;
            background: var(--bg-alt);
            transform: skewY(-2.5deg);
            z-index: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }
        .cases-cards {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .case-card {
            display: flex;
            gap: 16px;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .case-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }
        .case-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .case-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 4px 0;
        }
        .case-info p {
            font-size: 13px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.5;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .pricing-card.featured {
            border: 1.5px solid var(--border-purple);
            box-shadow: 0 0 0 4px rgba(139, 47, 201, 0.08), var(--shadow-card);
            min-height: 105%;
            margin-top: -12px;
            z-index: 2;
            background: #13131d;
        }
        .pricing-badge {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold);
            color: #0a0a0f;
            font-size: 11px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-xs);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px 0;
        }
        .pricing-price {
            font-size: 38px;
            font-weight: 700;
            color: var(--gold);
            margin: 0 0 20px 0;
            line-height: 1.1;
        }
        .pricing-price .currency {
            font-size: 18px;
            font-weight: 500;
            vertical-align: top;
            margin-right: 2px;
        }
        .pricing-price .period {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-sub);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px 0;
            text-align: left;
            flex-grow: 1;
        }
        .pricing-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-sub);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li .check-icon {
            color: var(--green);
            flex-shrink: 0;
            font-weight: 700;
        }
        .pricing-card .btn-primary {
            width: 100%;
            justify-content: center;
            margin-top: auto;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: var(--bg-alt);
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 500;
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition-fast);
            font-family: inherit;
            line-height: 1.5;
            border-radius: 0;
        }
        .faq-question:hover {
            background: #13131d;
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--blue);
            transition: transform var(--transition-faq);
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-faq), padding var(--transition-faq);
            background: var(--bg-alt);
            position: relative;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 16px 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            border-left: 3px solid var(--purple);
            margin-left: 20px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-alt);
            padding: 90px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 10px 0;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-sub);
            margin: 0 0 28px 0;
        }
        .cta-section .btn-primary {
            font-size: 17px;
            padding: 16px 40px;
        }
        .cta-section .btn-primary:hover {
            box-shadow: 0 0 32px rgba(212, 168, 67, 0.45);
            filter: brightness(1.18);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            padding: 56px 0 0;
            color: var(--text-weak);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 14px 0;
        }
        .footer-col p {
            font-size: 13px;
            line-height: 1.6;
            margin: 0 0 8px 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-weak);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--blue);
        }
        .footer-social {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid #3a3a4a;
            color: var(--text-weak);
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            border-color: var(--blue);
            color: var(--blue);
            background: rgba(0, 200, 255, 0.06);
        }
        .footer-bottom {
            text-align: center;
            padding: 18px 0;
            font-size: 12px;
            color: #555;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .hero h1 {
                font-size: 42px;
            }
            .section-title {
                font-size: 30px;
            }
            .pricing-price {
                font-size: 32px;
            }
            .cases-stats {
                grid-template-columns: repeat(4, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 38px;
            }
        }
        @media (max-width: 991px) {
            .nav-links,
            .nav-cta.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .site-nav {
                height: var(--nav-height-mobile);
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .section {
                padding: var(--section-gap-tablet) 0;
            }
            .section-title {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .features-divider {
                display: none;
            }
            .features-col {
                gap: 24px;
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cases-cards {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 440px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                margin-top: 0;
                min-height: auto;
                order: -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .stat-item .stat-number {
                font-size: 34px;
            }
        }
        @media (max-width: 767px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-content {
                max-width: 100%;
                text-align: center;
            }
            .hero-buttons {
                justify-content: center;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-title::after {
                width: 36px;
                height: 2px;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .scenario-img-wrap {
                height: 180px;
            }
            .cases-stats {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .cases-skew-wrap::before {
                transform: skewY(-1.5deg);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .cases-cards {
                padding: 0 16px;
            }
        }
        @media (max-width: 575px) {
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero {
                min-height: 100vh;
                min-height: 100svh;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 13px;
                margin-bottom: 32px;
            }
            .pricing-card {
                padding: 24px 16px;
            }
            .pricing-price {
                font-size: 30px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 14px 14px 14px;
                margin-left: 14px;
                font-size: 13px;
            }
            .btn {
                font-size: 14px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .case-card {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .case-thumb {
                width: 60px;
                height: 60px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
        }
        @media (min-width: 992px) {
            .hamburger {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .nav-cta.desktop-only {
                display: inline-block;
            }
            .hero-content {
                text-align: left;
            }
        }