/* roulang page: index */
:root {
            --bg-deep: #080c1a;
            --bg-card: rgba(14, 18, 40, 0.65);
            --bg-card-solid: #0e1228;
            --accent-red: #f84b2c;
            --accent-green: #00e5a0;
            --accent-gold: #e2b04a;
            --text-white: #ffffff;
            --text-light: #bcc6dc;
            --text-body: #8b95b5;
            --text-muted: #6b7590;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-red-glow: rgba(248, 75, 44, 0.15);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4);
            --shadow-btn-red: 0 0 24px rgba(248, 75, 44, 0.5);
            --shadow-btn-green: 0 0 20px rgba(0, 229, 160, 0.4);
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Oswald", "DIN Alternate", "Bebas Neue", "SF Mono", "Menlo", monospace;
            --max-width: 1200px;
            --nav-height: 68px;
            --section-gap: 100px;
            --section-gap-mobile: 60px;
            --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-faq: max-height 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: -200px;
            left: -150px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(248, 75, 44, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
            transition: transform 0.8s ease-out;
        }
        body::after {
            content: '';
            position: fixed;
            bottom: -250px;
            right: -180px;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
            transition: transform 0.8s ease-out;
        }
        body.scrolled::before {
            transform: translate(30px, 40px);
        }
        body.scrolled::after {
            transform: translate(-25px, -35px);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-smooth);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
        }

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

        /* ── Header / Navigation ── */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(8, 12, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glass);
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: var(--transition-smooth);
        }
        #header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px rgba(248, 75, 44, 0.7);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            padding: 8px 0;
            letter-spacing: 0.01em;
            transition: color 0.2s;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 100%;
            height: 2px;
            background: var(--accent-green);
            border-radius: 1px;
            transition: transform 0.2s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--accent-green);
        }
        .nav-links a.active {
            color: var(--accent-green);
        }
        .nav-cta {
            display: inline-block;
            background: var(--accent-red);
            color: #ffffff;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn-red);
            transition: var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            box-shadow: 0 0 36px rgba(248, 75, 44, 0.7);
            transform: scale(1.04);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1002;
            padding: 6px;
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 2px;
            transition: var(--transition-smooth);
            display: block;
        }
        .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 overlay menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(8, 12, 26, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 1001;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 36px;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            font-size: 1.5rem;
            color: var(--text-light);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: color 0.2s;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-green);
        }
        .mobile-menu .nav-cta {
            font-size: 1.1rem;
            padding: 14px 40px;
            margin-top: 16px;
        }

        /* ── Hero Section ── */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding-top: var(--nav-height);
        }
        #hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        #hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 26, 0.55) 0%, rgba(8, 12, 26, 0.85) 60%, rgba(8, 12, 26, 0.95) 100%);
            z-index: 1;
        }
        #hero .hero-geo {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
        }
        #hero .hero-geo svg {
            width: 100%;
            height: 100%;
            opacity: 0.55;
        }
        #hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        #hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(248, 75, 44, 0.12);
            border: 1px solid rgba(248, 75, 44, 0.25);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--accent-red);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
            animation: badgePulse 2.5s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(248, 75, 44, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(248, 75, 44, 0);
            }
        }
        .hero-badge-dot {
            width: 7px;
            height: 7px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: dotBreath 1.4s ease-in-out infinite;
        }
        @keyframes dotBreath {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green);
            }
            50% {
                box-shadow: 0 0 16px var(--accent-green), 0 0 28px rgba(0, 229, 160, 0.5);
            }
        }
        #hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.02em;
            max-width: 700px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        #hero h1 .highlight {
            color: var(--accent-red);
            position: relative;
        }
        #hero .hero-subtitle {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: var(--text-light);
            font-weight: 500;
            max-width: 560px;
            margin-bottom: 36px;
            letter-spacing: 0.01em;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-block;
            background: var(--accent-red);
            color: #ffffff;
            padding: 15px 38px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-btn-red);
            transition: var(--transition-smooth);
            text-align: center;
        }
        .btn-primary:hover {
            box-shadow: 0 0 40px rgba(248, 75, 44, 0.7);
            transform: scale(1.04);
        }
        .btn-primary:active {
            transform: scale(0.96);
        }
        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition-smooth);
            text-align: center;
        }
        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            box-shadow: 0 0 18px rgba(0, 229, 160, 0.25);
        }
        .hero-pulse-indicator {
            position: absolute;
            bottom: 40px;
            right: 40px;
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }
        .hero-pulse-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: pulseBig 1.8s ease-in-out infinite;
        }
        @keyframes pulseBig {
            0%,
            100% {
                box-shadow: 0 0 6px var(--accent-red);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 0 22px var(--accent-red), 0 0 40px rgba(248, 75, 44, 0.6);
                transform: scale(1.5);
            }
        }

        /* ── Stats Section ── */
        #stats {
            padding: var(--section-gap) 0;
            position: relative;
            z-index: 1;
        }
        #stats .stats-progress-bar {
            width: 100%;
            height: 3px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 2px;
            margin-bottom: 48px;
            overflow: hidden;
        }
        #stats .stats-progress-fill {
            height: 100%;
            width: 72%;
            background: linear-gradient(90deg, var(--accent-red), var(--accent-gold));
            border-radius: 2px;
            animation: progressGlow 3s ease-in-out infinite;
        }
        @keyframes progressGlow {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(248, 75, 44, 0.3);
            }
            50% {
                box-shadow: 0 0 20px rgba(226, 176, 74, 0.5);
            }
        }
        #stats .section-h2 {
            text-align: center;
            font-size: clamp(1.6rem, 2.5vw, 2.1rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        #stats .section-h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent-red);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        #stats .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        }
        .stat-card:hover {
            border-color: rgba(255, 255, 255, 0.16);
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
        }
        .stat-number {
            font-family: var(--font-num);
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            transition: color 0.3s;
            text-shadow: 0 0 18px rgba(255, 255, 255, 0.08);
        }
        .stat-number.green-highlight {
            color: var(--accent-green);
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.3);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-pulse {
            position: absolute;
            top: 12px;
            right: 14px;
            width: 6px;
            height: 6px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: dotBreath 1.6s ease-in-out infinite;
        }

        /* ── Services Section ── */
        #services {
            padding: var(--section-gap) 0;
            position: relative;
            z-index: 1;
        }
        #services .section-h2 {
            text-align: center;
            font-size: clamp(1.6rem, 2.5vw, 2.1rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        #services .section-h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent-red);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        #services .services-grid {
            display: grid;
            grid-template-columns: 5fr 3.5fr 3.5fr;
            gap: 28px;
            margin-top: 44px;
        }
        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            border-color: rgba(255, 255, 255, 0.14);
            transform: translateY(-2px);
            box-shadow: 0 10px 44px rgba(0, 0, 0, 0.5);
        }
        .service-card .service-icon-area {
            width: 64px;
            height: 64px;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #ffffff;
            position: relative;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }
        .service-card .service-icon-area .icon-overlay {
            position: absolute;
            inset: 0;
            background: rgba(248, 75, 44, 0.55);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }
        .service-card .service-icon-area i {
            position: relative;
            z-index: 2;
        }
        .service-card .service-info {
            flex: 1;
            min-width: 0;
        }
        .service-card .service-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .service-card .service-info p {
            font-size: 0.95rem;
            color: var(--text-body);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 4px 14px;
            font-size: 0.78rem;
            color: var(--text-light);
            letter-spacing: 0.03em;
            transition: var(--transition-smooth);
        }
        .service-tag:hover {
            background: rgba(248, 75, 44, 0.12);
            border-color: rgba(248, 75, 44, 0.3);
            color: #ffffff;
        }
        .service-divider {
            width: 1px;
            background: rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
            align-self: stretch;
            margin: 0 4px;
        }

        /* ── Comparison Section ── */
        #comparison {
            padding: var(--section-gap) 0;
            position: relative;
            z-index: 1;
        }
        #comparison .section-h2 {
            text-align: center;
            font-size: clamp(1.6rem, 2.5vw, 2.1rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        #comparison .section-h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent-red);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 44px;
        }
        .comparison-col {
            border-radius: var(--radius-card);
            padding: 32px 24px;
            border: 1px solid var(--border-glass);
            transition: var(--transition-smooth);
        }
        .comparison-col.traditional {
            background: rgba(14, 18, 40, 0.5);
            border-color: rgba(255, 255, 255, 0.04);
        }
        .comparison-col.ak {
            background: rgba(14, 22, 40, 0.7);
            border-color: rgba(0, 229, 160, 0.2);
            box-shadow: 0 0 40px rgba(0, 229, 160, 0.06);
        }
        .comparison-col h3 {
            text-align: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }
        .comparison-col.traditional h3 {
            color: var(--text-muted);
        }
        .comparison-col.ak h3 {
            color: var(--accent-green);
        }
        .comparison-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            gap: 12px;
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-row .comp-label {
            font-size: 0.9rem;
            color: var(--text-body);
            letter-spacing: 0.02em;
        }
        .comparison-row .comp-value {
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .comp-win {
            color: var(--accent-green);
        }
        .comp-win i {
            font-size: 0.75rem;
            color: var(--accent-green);
            filter: drop-shadow(0 0 4px rgba(0, 229, 160, 0.6));
        }
        .comp-lose {
            color: var(--text-muted);
            text-decoration: line-through;
            text-decoration-color: rgba(255, 255, 255, 0.15);
        }
        .comp-lose i {
            color: rgba(255, 255, 255, 0.2);
            font-size: 0.75rem;
        }
        .comparison-col.ak .comparison-row {
            background: rgba(0, 229, 160, 0.02);
        }
        .comparison-col.traditional .comparison-row {
            background: rgba(255, 255, 255, 0.01);
        }

        /* ── FAQ Section ── */
        #faq {
            padding: var(--section-gap) 0;
            position: relative;
            z-index: 1;
        }
        #faq .section-h2 {
            text-align: center;
            font-size: clamp(1.6rem, 2.5vw, 2.1rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        #faq .section-h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent-red);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 44px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(14, 18, 40, 0.5);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-item.active {
            border-color: rgba(255, 255, 255, 0.14);
            background: rgba(14, 18, 40, 0.7);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: var(--transition-smooth);
        }
        .faq-question h4 {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 0.02em;
            flex: 1;
            min-width: 0;
        }
        .faq-q-mark {
            width: 28px;
            height: 28px;
            background: rgba(248, 75, 44, 0.18);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-red);
            flex-shrink: 0;
            transition: var(--transition-smooth);
        }
        .faq-item.active .faq-q-mark {
            background: rgba(0, 229, 160, 0.2);
            color: var(--accent-green);
        }
        .faq-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: transform 0.35s ease;
            font-size: 0.8rem;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-green);
        }
        .faq-answer-wrapper {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition-faq);
        }
        .faq-answer {
            padding: 0 20px 18px 20px;
            color: var(--text-body);
            font-size: 0.93rem;
            line-height: 1.7;
            letter-spacing: 0.01em;
            padding-left: 60px;
        }

        /* ── Contact Section ── */
        #contact {
            padding: var(--section-gap) 0;
            position: relative;
            z-index: 1;
        }
        #contact .section-h2 {
            text-align: center;
            font-size: clamp(1.3rem, 2vw, 1.6rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .contact-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 32px;
        }
        .contact-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            background: rgba(10, 15, 32, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-light);
            letter-spacing: 0.03em;
        }
        .form-group input,
        .form-group select {
            background: rgba(14, 18, 40, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-btn);
            padding: 13px 16px;
            font-size: 0.95rem;
            color: #ffffff;
            transition: var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.08);
            outline: none;
        }
        .form-group input::placeholder {
            color: var(--text-muted);
        }
        .form-group select option {
            background: #0e1228;
            color: #ffffff;
        }
        .btn-submit {
            display: inline-block;
            background: var(--accent-green);
            color: var(--bg-deep);
            padding: 15px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-btn-green);
            transition: var(--transition-smooth);
            text-align: center;
            cursor: pointer;
            width: 100%;
        }
        .btn-submit:hover {
            box-shadow: 0 0 36px rgba(0, 229, 160, 0.6);
            transform: scale(1.03);
        }
        .btn-submit:active {
            transform: scale(0.97);
        }
        .btn-submit:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        .trust-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            margin-top: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            flex-wrap: wrap;
        }
        .trust-icon {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
        }
        .trust-icon i {
            color: var(--accent-green);
            font-size: 0.75rem;
        }
        .form-success-msg {
            display: none;
            text-align: center;
            padding: 20px;
            color: var(--accent-green);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
        }
        .form-success-msg.show {
            display: block;
        }

        /* ── Footer ── */
        #footer {
            padding: 40px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            z-index: 1;
        }
        #footer .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .footer-slogan {
            font-size: 0.9rem;
            color: var(--text-light);
            letter-spacing: 0.03em;
            font-weight: 500;
        }
        .footer-info {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent-green);
        }

        /* ── Responsive ── */
        @media (max-width: 1199px) {
            #stats .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            #stats .stats-grid .stat-card:last-child {
                grid-column: 1 / -1;
                max-width: 360px;
                justify-self: center;
                width: 100%;
            }
            #services .services-grid {
                grid-template-columns: 1fr 1fr;
            }
            #services .services-grid .service-card:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 991px) {
            :root {
                --section-gap: 70px;
                --nav-height: 60px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-only {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            #stats .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            #stats .stats-grid .stat-card:last-child {
                grid-column: span 2;
            }
            #services .services-grid {
                grid-template-columns: 1fr;
            }
            #services .services-grid .service-card:first-child {
                grid-column: auto;
            }
            .service-card {
                flex-direction: row;
            }
            #hero .hero-pulse-indicator {
                bottom: 20px;
                right: 20px;
                font-size: 0.75rem;
            }
            .hero-pulse-indicator {
                display: none;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-gap: 55px;
                --nav-height: 56px;
            }
            html {
                font-size: 14px;
            }
            .container {
                padding: 0 16px;
            }
            #hero h1 {
                font-size: 1.8rem;
            }
            #hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
                max-width: 320px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }
            #stats .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            #stats .stats-grid .stat-card:last-child {
                grid-column: span 2;
                max-width: none;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            #services .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 22px 16px;
            }
            .service-card .service-icon-area {
                margin-bottom: 8px;
            }
            .service-divider {
                display: none;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .comparison-col {
                padding: 20px 14px;
            }
            .comparison-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 10px 8px;
            }
            .faq-question h4 {
                font-size: 0.9rem;
            }
            .faq-answer {
                padding-left: 20px;
                font-size: 0.85rem;
            }
            .contact-form-wrapper {
                padding: 24px 16px;
            }
            #footer .container {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-links {
                justify-content: center;
            }
            .mobile-menu a {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            #stats .stats-grid {
                grid-template-columns: 1fr;
            }
            #stats .stats-grid .stat-card:last-child {
                grid-column: auto;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            #hero h1 {
                font-size: 1.55rem;
            }
            #hero .hero-badge {
                font-size: 0.75rem;
                padding: 5px 14px;
            }
        }