/* roulang page: index */
:root {
            --deep-teal: #0A4D4B;
            --lake-blue: #2D8F8C;
            --coral: #FF6F61;
            --energy-orange: #FF8552;
            --deep-indigo: #1B2A47;
            --bg-warm: #F7F9FC;
            --card-white: #FFFFFF;
            --text-dark: #2C3E50;
            --text-muted: #6B7B8D;
            --success-green: #2D8F8C;
            --badge-bg: #E8F4F5;
            --faq-expand-bg: #F0F4F8;
            --gradient-main: linear-gradient(135deg, #0A4D4B 0%, #2D8F8C 40%, #FF6F61 100%);
            --gradient-reverse: linear-gradient(135deg, #FF6F61 0%, #2D8F8C 50%, #0A4D4B 100%);
            --gradient-btn: linear-gradient(135deg, #2D8F8C 0%, #FF6F61 100%);
            --radius-lg: 16px;
            --radius-capsule: 24px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.06);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --section-gap: 80px;
        }

        *,
        *::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: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans CN', 'Noto Sans SC', 'Inter', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-warm);
            font-weight: 400;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-smooth);
        }
        a:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
        }
        input {
            font-family: inherit;
        }
        input:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 0;
            transition: all var(--transition-smooth);
            background: transparent;
        }
        .site-nav.scrolled {
            background: rgba(255, 255, 255, 0.97);
            box-shadow: var(--shadow-nav);
            padding: 10px 0;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            transition: color var(--transition-smooth);
            white-space: nowrap;
        }
        .site-nav.scrolled .nav-logo {
            color: var(--deep-indigo);
        }
        .nav-logo .logo-fish {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color var(--transition-smooth);
        }
        .site-nav.scrolled .nav-links a {
            color: var(--text-dark);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--energy-orange);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }
        .nav-links a:hover::after,
        .nav-links a:active::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .site-nav.scrolled .nav-links a:hover {
            color: var(--deep-teal);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            background: var(--gradient-btn);
            color: #fff !important;
            border-radius: var(--radius-capsule);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(255, 111, 97, 0.3);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            transform: scale(1.04);
            box-shadow: 0 6px 24px rgba(255, 111, 97, 0.45);
            color: #fff !important;
        }
        .nav-cta-btn::after {
            display: none !important;
        }

        /* Mobile Bottom Nav */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1001;
            background: #fff;
            border-radius: 20px 20px 0 0;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
            padding: 8px 12px 12px;
            justify-content: space-around;
            align-items: flex-end;
            gap: 0;
        }
        .mobile-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 10px;
            color: var(--text-muted);
            font-weight: 500;
            transition: color var(--transition-smooth);
            flex: 1;
            text-align: center;
            cursor: pointer;
        }
        .mobile-nav-item svg {
            width: 22px;
            height: 22px;
            transition: all var(--transition-smooth);
        }
        .mobile-nav-item.active {
            color: var(--deep-teal);
        }
        .mobile-nav-cta {
            position: relative;
            top: -18px;
            flex: 1.3;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .mobile-nav-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 54px;
            height: 54px;
            background: var(--gradient-btn);
            border-radius: 50%;
            box-shadow: 0 6px 22px rgba(255, 111, 97, 0.4);
            color: #fff;
            font-size: 24px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 3px solid #fff;
        }
        .mobile-nav-cta-btn:hover {
            transform: scale(1.08);
            box-shadow: 0 8px 30px rgba(255, 111, 97, 0.55);
        }
        .mobile-nav-cta-label {
            font-size: 10px;
            color: var(--energy-orange);
            font-weight: 700;
            margin-top: 2px;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding: 120px 0 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 77, 75, 0.88) 0%, rgba(45, 143, 140, 0.7) 45%, rgba(255, 111, 97, 0.55) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .hero-content {
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-capsule);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-content .hero-subtitle {
            font-size: 17px;
            line-height: 1.6;
            opacity: 0.92;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 32px;
            background: var(--gradient-btn);
            color: #fff;
            border-radius: var(--radius-capsule);
            font-size: 17px;
            font-weight: 600;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 24px rgba(255, 111, 97, 0.35);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: scale(1.03);
            box-shadow: 0 10px 32px rgba(255, 111, 97, 0.5);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-capsule);
            font-size: 17px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: scale(1.02);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .phone-mockup-group {
            position: relative;
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .phone-mockup {
            width: 160px;
            height: 320px;
            background: #1a1a2e;
            border-radius: 24px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            position: relative;
            transition: transform var(--transition-smooth);
        }
        .phone-mockup:nth-child(2) {
            transform: translateY(-30px);
            width: 170px;
            height: 340px;
        }
        .phone-mockup img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 21px;
        }
        .phone-notch {
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 5px;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 10px;
            z-index: 3;
        }
        .floating-badge {
            position: absolute;
            top: 15px;
            right: -20px;
            background: #fff;
            color: var(--deep-indigo);
            padding: 8px 16px;
            border-radius: var(--radius-capsule);
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            z-index: 5;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .floating-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success-green);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 600;
            color: var(--deep-indigo);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-header .fish-accent {
            display: inline-block;
            font-size: 22px;
            margin: 0 4px;
            vertical-align: middle;
            animation: swim 3s ease-in-out infinite;
        }
        @keyframes swim {
            0%,
            100% {
                transform: translateX(0) rotate(0deg);
            }
            25% {
                transform: translateX(4px) rotate(3deg);
            }
            75% {
                transform: translateX(-4px) rotate(-3deg);
            }
        }

        /* ========== FEATURES ========== */
        #features {
            background: #fff;
        }
        .features-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .features-grid-row2 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        .feature-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(45, 143, 140, 0.15);
        }
        .feature-card-large {
            grid-row: span 2;
        }
        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .icon-teal {
            background: #E8F4F5;
            color: var(--deep-teal);
        }
        .icon-coral {
            background: #FFF0EE;
            color: var(--coral);
        }
        .icon-orange {
            background: #FFF5F0;
            color: var(--energy-orange);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--deep-indigo);
            margin: 0;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }
        .feature-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--badge-bg);
            color: var(--deep-teal);
            padding: 5px 14px;
            border-radius: var(--radius-capsule);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
            white-space: nowrap;
            z-index: 2;
        }
        .feature-card-large .feature-badge {
            top: 20px;
            right: 20px;
            font-size: 13px;
            padding: 6px 16px;
        }
        .feature-card .card-image-wrap {
            border-radius: 12px;
            overflow: hidden;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .feature-card .card-image-wrap img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 12px;
            transition: transform var(--transition-smooth);
        }
        .feature-card:hover .card-image-wrap img {
            transform: scale(1.04);
        }

        /* ========== SCENARIOS ========== */
        #scenarios {
            background: var(--bg-warm);
        }
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-bottom: 60px;
        }
        .scenario-row:last-child {
            margin-bottom: 0;
        }
        .scenario-row.reverse {
            direction: rtl;
        }
        .scenario-row.reverse .scenario-text {
            direction: ltr;
        }
        .scenario-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #e0e5ec;
            min-height: 320px;
            box-shadow: var(--shadow-card);
        }
        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            border-radius: var(--radius-lg);
        }
        .scenario-image .scenario-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: #fff;
            color: var(--deep-indigo);
            padding: 8px 18px;
            border-radius: var(--radius-capsule);
            font-weight: 700;
            font-size: 13px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .scenario-text h3 {
            font-size: 28px;
            font-weight: 600;
            color: var(--deep-indigo);
            margin-bottom: 14px;
        }
        .scenario-text p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scenario-text .scenario-tag {
            display: inline-block;
            background: var(--badge-bg);
            color: var(--deep-teal);
            padding: 4px 12px;
            border-radius: var(--radius-capsule);
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== CASES ========== */
        #cases {
            background: #f2f4f7;
        }
        .cases-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 30px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .case-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--energy-orange);
            letter-spacing: -1px;
            transition: color var(--transition-smooth);
            line-height: 1;
            margin-bottom: 8px;
        }
        .case-card:hover .case-number {
            color: var(--coral);
        }
        .case-label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .cases-partners {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .cases-partners span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .partner-logo-placeholder {
            width: 80px;
            height: 36px;
            background: #dce3ea;
            border-radius: 8px;
            flex-shrink: 0;
        }

        /* ========== PRICING ========== */
        #pricing {
            background: #fff;
        }
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            border: 2px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .pricing-card.featured {
            border-color: transparent;
            background-clip: padding-box;
            position: relative;
            z-index: 1;
        }
        .pricing-card.featured::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 19px;
            padding: 3px;
            background: var(--gradient-main);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            z-index: -1;
            pointer-events: none;
        }
        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gradient-btn);
            color: #fff;
            padding: 6px 20px;
            border-radius: var(--radius-capsule);
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 111, 97, 0.35);
            z-index: 3;
        }
        .pricing-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--deep-indigo);
            text-align: center;
        }
        .pricing-card .price {
            text-align: center;
            font-size: 42px;
            font-weight: 700;
            color: var(--deep-indigo);
            line-height: 1;
        }
        .pricing-card .price small {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .pricing-card .price-note {
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }
        .pricing-features li {
            font-size: 14px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 0;
        }
        .pricing-features li .check-icon {
            color: var(--success-green);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 16px;
        }
        .pricing-cta {
            display: block;
            text-align: center;
            padding: 14px 24px;
            border-radius: var(--radius-capsule);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            background: var(--deep-indigo);
            color: #fff;
        }
        .pricing-cta:hover {
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(27, 42, 71, 0.3);
        }
        .pricing-card.featured .pricing-cta {
            background: var(--gradient-btn);
            box-shadow: 0 4px 16px rgba(255, 111, 97, 0.3);
        }
        .pricing-card.featured .pricing-cta:hover {
            box-shadow: 0 8px 28px rgba(255, 111, 97, 0.5);
        }

        /* ========== FAQ ========== */
        #faq {
            background: var(--bg-warm);
        }
        .faq-container {
            max-width: 760px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid #eef1f5;
            transition: all var(--transition-smooth);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--deep-indigo);
            background: transparent;
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-smooth);
            gap: 12px;
            border: none;
            font-family: inherit;
        }
        .faq-question:hover {
            background: #fafbfc;
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--energy-orange);
            outline-offset: -2px;
            border-radius: 4px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #eef1f5;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            font-size: 20px;
            color: var(--deep-teal);
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--deep-teal);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--faq-expand-bg);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        #download-cta {
            background: var(--gradient-reverse);
            padding: 70px 0;
            text-align: center;
            color: #fff;
        }
        #download-cta h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        #download-cta .cta-subtitle {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 32px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .btn-store {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: #fff;
            color: var(--deep-indigo);
            border-radius: var(--radius-capsule);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }
        .btn-store:hover {
            transform: scale(1.04);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }
        .btn-store svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .security-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            padding: 6px 16px;
            border-radius: var(--radius-capsule);
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .security-badge .shield-icon {
            font-size: 16px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--deep-indigo);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
            gap: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gradient-btn);
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition-smooth);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo svg {
            width: 28px;
            height: 28px;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .social-icons {
            display: flex;
            gap: 10px;
        }
        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            color: #fff;
            font-size: 16px;
        }
        .social-icons a:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: scale(1.1);
        }
        .footer-download-btn {
            display: inline-block;
            padding: 12px 24px;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            border-radius: var(--radius-capsule);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-smooth);
            text-align: center;
            margin-top: 8px;
        }
        .footer-download-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: scale(1.03);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 35px;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual {
                order: -1;
            }
            .phone-mockup {
                width: 130px;
                height: 260px;
            }
            .phone-mockup:nth-child(2) {
                width: 140px;
                height: 280px;
                transform: translateY(-20px);
            }
            .floating-badge {
                right: -10px;
                top: 5px;
                font-size: 11px;
                padding: 6px 12px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid-row2 {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card-large {
                grid-row: span 1;
                grid-column: span 2;
            }
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 30px;
                direction: ltr;
            }
            .scenario-row.reverse {
                direction: ltr;
            }
            .cases-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .case-number {
                font-size: 36px;
            }
            .pricing-cards {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 14px;
            }
            .pricing-card {
                padding: 24px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
            .footer-col:first-child {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .site-nav .nav-links {
                display: none;
            }
            .site-nav {
                padding: 10px 0;
                background: rgba(255, 255, 255, 0.95);
                box-shadow: var(--shadow-nav);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
            }
            .site-nav .nav-logo {
                color: var(--deep-indigo);
                font-size: 18px;
            }
            .site-nav .nav-logo .logo-fish {
                width: 26px;
                height: 26px;
            }
            .mobile-bottom-nav {
                display: flex;
            }
            body {
                padding-bottom: 90px;
            }
            .hero {
                min-height: auto;
                padding: 100px 0 50px;
                text-align: center;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-subtitle {
                font-size: 15px;
            }
            .btn-primary,
            .btn-outline {
                padding: 14px 24px;
                font-size: 15px;
            }
            .phone-mockup {
                width: 100px;
                height: 200px;
            }
            .phone-mockup:nth-child(2) {
                width: 108px;
                height: 216px;
                transform: translateY(-15px);
            }
            .floating-badge {
                right: 0;
                top: 0;
                font-size: 10px;
                padding: 5px 10px;
            }
            .section {
                padding: 50px 0;
                --section-gap: 50px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .features-grid-row2 {
                grid-template-columns: 1fr;
            }
            .feature-card-large {
                grid-column: span 1;
                grid-row: span 1;
            }
            .feature-badge {
                position: static;
                display: inline-block;
                margin-bottom: 4px;
            }
            .feature-card-large .feature-badge {
                position: static;
                display: inline-block;
                margin-bottom: 4px;
            }
            .cases-cards {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .pricing-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .pricing-card.featured {
                order: -1;
            }
            #download-cta h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-col:first-child {
                grid-column: span 2;
            }
            .scenario-image {
                min-height: 220px;
            }
            .scenario-image img {
                min-height: 220px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }
            .hero-content .hero-subtitle {
                font-size: 14px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 14px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
            .phone-mockup {
                width: 80px;
                height: 160px;
            }
            .phone-mockup:nth-child(2) {
                width: 86px;
                height: 172px;
                transform: translateY(-10px);
            }
            .floating-badge {
                font-size: 9px;
                padding: 4px 8px;
                right: -5px;
                top: -5px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cases-partners {
                gap: 16px;
            }
            .partner-logo-placeholder {
                width: 60px;
                height: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col:first-child {
                grid-column: span 1;
            }
            #download-cta h2 {
                font-size: 22px;
            }
            .cta-buttons-row {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
            .pricing-card .price {
                font-size: 34px;
            }
            .case-number {
                font-size: 36px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 13px;
            }
        }