/* roulang page: index */
:root {
            --bg-carbon: #18181B;
            --bg-deep-gray: #1F1F23;
            --accent-orange: #F15A24;
            --accent-orange-dark: #C2410C;
            --text-white: #F4F4F5;
            --text-muted: #71717A;
            --card-bg: rgba(31, 31, 35, 0.8);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-hover: rgba(241, 90, 36, 0.5);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 40px rgba(241, 90, 36, 0.15);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --spacing-3xl: 120px;
            --max-width: 1280px;
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', '黑体', sans-serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Menlo', 'Courier New', monospace;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-reveal: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --nav-height: 72px;
            --bottom-nav-height: 68px;
        }

        *,
        *::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-body);
            background-color: var(--bg-carbon);
            color: var(--text-white);
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
            min-height: 100vh;
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: calc(var(--bottom-nav-height) + 16px);
            }
            html {
                scroll-padding-top: 20px;
            }
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ NAVIGATION - PC ============ */
        .nav-pc {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth), box-shadow var(--transition-smooth);
            background: transparent;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
        }
        .nav-pc.scrolled {
            background: rgba(24, 24, 27, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
        }
        .nav-pc .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 2px;
            color: var(--text-white);
            flex-shrink: 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--accent-orange);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: width var(--transition-smooth);
            border-radius: 2px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-orange);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-dark));
            color: #fff;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .nav-cta-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
            transition: left 0.5s ease;
        }
        .nav-cta-btn:hover::before {
            left: 100%;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 24px rgba(241, 90, 36, 0.35);
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .nav-pc {
                display: none;
            }
        }

        /* ============ MOBILE BOTTOM NAV ============ */
        .nav-mobile {
            display: none;
            position: fixed;
            bottom: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(31, 31, 35, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 40px;
            padding: 8px 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
            width: auto;
            max-width: 95vw;
        }
        .nav-mobile .nav-mobile-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-mobile .nav-mobile-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 6px 12px;
            border-radius: 28px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            min-width: 52px;
            min-height: 44px;
            position: relative;
        }
        .nav-mobile .nav-mobile-item.active {
            background: var(--accent-orange);
        }
        .nav-mobile .nav-mobile-item.active .nav-mobile-icon,
        .nav-mobile .nav-mobile-item.active .nav-mobile-label {
            color: #fff;
        }
        .nav-mobile-icon {
            width: 20px;
            height: 20px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-mobile-icon svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
        }
        .nav-mobile-label {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            margin-top: 2px;
        }
        .nav-mobile .nav-mobile-item.active .nav-mobile-icon,
        .nav-mobile .nav-mobile-item.active .nav-mobile-label {
            color: #fff;
        }

        @media (max-width: 768px) {
            .nav-mobile {
                display: flex;
            }
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-2xl) 0;
            }
        }
        .section-alt {
            background-color: var(--bg-deep-gray);
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }

        .section-label {
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--accent-orange);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 1.5px;
            background: var(--accent-orange);
            border-radius: 1px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.6rem;
            letter-spacing: 1px;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
        }
        .section-subtitle {
            font-size: 1.1rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            line-height: 1.7;
            max-width: 600px;
        }
        @media (max-width: 1024px) {
            .section-title {
                font-size: 2rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
                letter-spacing: 0.5px;
            }
            .section-subtitle {
                font-size: 0.95rem;
                max-width: 100%;
            }
        }

        /* ============ HERO ============ */
        #hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            position: relative;
            overflow: hidden;
            background: var(--bg-carbon);
        }
        #hero .hero-bg {
            position: absolute;
            top: -10%;
            right: -15%;
            width: 70%;
            height: 120%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 40%, rgba(0, 0, 0, 0) 70%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 40%, rgba(0, 0, 0, 0) 70%);
            z-index: 0;
            pointer-events: none;
        }
        #hero .hero-light-sweep {
            position: absolute;
            top: -30%;
            left: -20%;
            width: 60%;
            height: 160%;
            background: linear-gradient(105deg, transparent 35%, rgba(241, 90, 36, 0.08) 48%, rgba(241, 90, 36, 0.02) 50%, transparent 52%);
            z-index: 1;
            pointer-events: none;
            animation: lightSweep 8s ease-in-out infinite;
        }
        @keyframes lightSweep {
            0%,
            100% {
                transform: translateX(-5%) rotate(-3deg);
                opacity: 0.6;
            }
            50% {
                transform: translateX(8%) rotate(-2deg);
                opacity: 1;
            }
        }
        #hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        #hero .hero-left {
            position: relative;
        }
        #hero .hero-decor-line {
            position: absolute;
            left: -20px;
            top: 8px;
            width: 3px;
            height: 60px;
            background: var(--accent-orange);
            border-radius: 2px;
        }
        #hero .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 2px;
            background: rgba(241, 90, 36, 0.15);
            color: var(--accent-orange);
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(241, 90, 36, 0.25);
        }
        #hero h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 3.6rem;
            letter-spacing: 2px;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
            position: relative;
        }
        #hero h1 .highlight {
            color: var(--accent-orange);
        }
        #hero .hero-subtitle {
            font-size: 1.2rem;
            font-weight: 400;
            color: rgba(244, 244, 245, 0.75);
            letter-spacing: 0.5px;
            line-height: 1.6;
            margin-bottom: var(--spacing-lg);
            max-width: 480px;
        }
        #hero .hero-stats-row {
            display: flex;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        #hero .hero-stat-mini {
            display: flex;
            flex-direction: column;
        }
        #hero .hero-stat-mini .stat-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-orange);
            letter-spacing: 1px;
        }
        #hero .hero-stat-mini .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-top: 2px;
        }
        #hero .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-dark));
            color: #fff;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            white-space: nowrap;
            box-shadow: 0 4px 20px rgba(241, 90, 36, 0.3);
        }
        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
            transition: left 0.5s ease;
        }
        .btn-primary:hover::before {
            left: 100%;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 32px rgba(241, 90, 36, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 1px;
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(244, 244, 245, 0.3);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            box-shadow: 0 4px 16px rgba(241, 90, 36, 0.2);
        }
        #hero .hero-right {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 400px;
        }
        #hero .hero-visual {
            width: 100%;
            height: 420px;
            border-radius: var(--radius-lg);
            background: rgba(31, 31, 35, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        #hero .hero-visual-inner {
            width: 70%;
            height: 70%;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(241, 90, 36, 0.15) 0%, transparent 70%);
            animation: pulseGlow 3s ease-in-out infinite;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        @keyframes pulseGlow {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.7;
            }
            50% {
                transform: scale(1.08);
                opacity: 1;
            }
        }
        #hero .hero-visual-icon {
            font-family: var(--font-heading);
            font-size: 5rem;
            font-weight: 700;
            color: var(--accent-orange);
            letter-spacing: 6px;
            text-shadow: 0 0 60px rgba(241, 90, 36, 0.5);
        }
        @media (max-width: 1024px) {
            #hero h1 {
                font-size: 2.6rem;
            }
            #hero .hero-subtitle {
                font-size: 1rem;
            }
            #hero .hero-visual {
                height: 320px;
            }
            #hero .hero-visual-icon {
                font-size: 3.5rem;
            }
        }
        @media (max-width: 768px) {
            #hero {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 60px;
            }
            #hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            #hero h1 {
                font-size: 2.1rem;
                letter-spacing: 1px;
            }
            #hero .hero-decor-line {
                left: -12px;
                top: 4px;
                height: 40px;
                width: 2px;
            }
            #hero .hero-right {
                min-height: 240px;
            }
            #hero .hero-visual {
                height: 240px;
            }
            #hero .hero-visual-icon {
                font-size: 2.8rem;
                letter-spacing: 3px;
            }
            #hero .hero-bg {
                right: -40%;
                width: 100%;
                opacity: 0.25;
            }
            #hero .hero-stats-row {
                gap: var(--spacing-md);
            }
            #hero .hero-stat-mini .stat-num {
                font-size: 1.3rem;
            }
        }

        /* ============ PAIN SECTION ============ */
        #pain .pain-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-xl);
            align-items: start;
            margin-top: var(--spacing-xl);
        }
        #pain .pain-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        #pain .pain-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            padding: var(--spacing-md);
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
        }
        #pain .pain-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        #pain .pain-num {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-orange);
            line-height: 1;
            flex-shrink: 0;
            letter-spacing: 1px;
            text-shadow: 0 0 20px rgba(241, 90, 36, 0.4);
            min-width: 56px;
        }
        #pain .pain-content h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        #pain .pain-content p {
            font-size: 0.9rem;
            color: rgba(244, 244, 245, 0.65);
            line-height: 1.6;
        }
        #pain .pain-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            aspect-ratio: 3/4;
            background: var(--bg-deep-gray);
        }
        #pain .pain-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(30%) contrast(1.1);
            transition: filter var(--transition-smooth);
        }
        #pain .pain-image-wrapper:hover img {
            filter: grayscale(0%) contrast(1);
        }
        #pain .pain-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(24, 24, 27, 0.9), transparent);
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-align: center;
        }
        @media (max-width: 768px) {
            #pain .pain-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            #pain .pain-image-wrapper {
                aspect-ratio: 16/10;
                max-height: 280px;
            }
            #pain .pain-num {
                font-size: 1.8rem;
                min-width: 42px;
            }
        }

        /* ============ SOLUTION SECTION ============ */
        #solution .solution-visual {
            margin-top: var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            min-height: 420px;
        }
        #solution .solution-core {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--accent-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            letter-spacing: 2px;
            z-index: 2;
            position: relative;
            box-shadow: 0 0 48px rgba(241, 90, 36, 0.5);
            animation: pulseGlow 2.5s ease-in-out infinite;
        }
        #solution .solution-nodes {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
        }
        #solution .solution-node {
            position: absolute;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 1.5px dashed rgba(241, 90, 36, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.75rem;
            color: var(--text-white);
            letter-spacing: 1px;
            transition: all var(--transition-smooth);
            cursor: default;
            pointer-events: auto;
            text-align: center;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        #solution .solution-node:hover {
            border-color: var(--accent-orange);
            border-style: solid;
            box-shadow: 0 0 28px rgba(241, 90, 36, 0.35);
            background: rgba(241, 90, 36, 0.2);
            transform: scale(1.1);
        }
        #solution .solution-node-top {
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
        }
        #solution .solution-node-right {
            top: 50%;
            right: 8%;
            transform: translateY(-50%);
        }
        #solution .solution-node-bottom {
            bottom: 10%;
            left: 50%;
            transform: translateX(-50%);
        }
        #solution .solution-node-left {
            top: 50%;
            left: 8%;
            transform: translateY(-50%);
        }
        #solution .solution-connector {
            position: absolute;
            z-index: 1;
            pointer-events: none;
        }
        #solution .solution-connector-line {
            stroke: rgba(241, 90, 36, 0.4);
            stroke-width: 2;
            stroke-dasharray: 8 5;
            fill: none;
        }
        #solution .solution-cta-wrap {
            text-align: center;
            margin-top: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            #solution .solution-visual {
                min-height: auto;
                flex-direction: column;
                gap: 16px;
                padding: 20px 0;
            }
            #solution .solution-core {
                width: 80px;
                height: 80px;
                font-size: 0.75rem;
            }
            #solution .solution-nodes {
                position: static;
                display: flex;
                flex-wrap: wrap;
                gap: 12px;
                justify-content: center;
                pointer-events: auto;
            }
            #solution .solution-node {
                position: static;
                width: 60px;
                height: 60px;
                font-size: 0.65rem;
                transform: none !important;
                border-radius: 50%;
            }
            #solution .solution-connector {
                display: none;
            }
        }

        /* ============ ADVANTAGES SECTION ============ */
        #advantages .adv-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-xl);
        }
        #advantages .adv-left h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            letter-spacing: 1px;
            color: var(--text-white);
            line-height: 1.3;
        }
        #advantages .adv-left .adv-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 2px;
            background: rgba(241, 90, 36, 0.12);
            color: var(--accent-orange);
            margin-bottom: var(--spacing-sm);
            border: 1px solid rgba(241, 90, 36, 0.2);
        }
        #advantages .adv-right {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        #advantages .adv-detail {
            padding: var(--spacing-md);
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
        }
        #advantages .adv-detail:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        #advantages .adv-detail h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1rem;
            color: var(--accent-orange);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        #advantages .adv-detail p {
            font-size: 0.9rem;
            color: rgba(244, 244, 245, 0.7);
            line-height: 1.6;
        }
        #advantages .adv-detail .adv-data {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-orange);
            margin-top: 8px;
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            #advantages .adv-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            #advantages .adv-left h3 {
                font-size: 1.5rem;
            }
        }

        /* ============ RESULTS SECTION ============ */
        #results {
            background: var(--bg-carbon);
            text-align: center;
        }
        #results .results-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-3xl);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }
        #results .result-item {
            text-align: center;
            min-width: 180px;
        }
        #results .result-number {
            font-family: var(--font-mono);
            font-size: 4rem;
            font-weight: 700;
            color: var(--accent-orange);
            letter-spacing: 2px;
            text-shadow: 0 0 40px rgba(241, 90, 36, 0.5);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }
        #results .result-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        #results .results-chart {
            margin-top: var(--spacing-xl);
            display: flex;
            align-items: flex-end;
            justify-content: center;
            gap: 24px;
            height: 240px;
            padding: 0 20px;
        }
        #results .chart-bar {
            width: 56px;
            border-radius: 8px 8px 0 0;
            transition: height 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            position: relative;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding-bottom: 8px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 1px;
        }
        #results .chart-bar.orange {
            background: var(--accent-orange);
            height: 0;
        }
        #results .chart-bar.gray {
            background: rgba(113, 113, 122, 0.5);
            height: 0;
        }
        #results .chart-bar.animated.orange {
            height: 85%;
        }
        #results .chart-bar.animated.gray {
            height: 55%;
        }
        #results .chart-bar.animated.orange2 {
            height: 78%;
        }
        #results .chart-bar.animated.gray2 {
            height: 48%;
        }
        #results .chart-bar.animated.orange3 {
            height: 92%;
        }
        #results .chart-bar.animated.gray3 {
            height: 60%;
        }
        #results .chart-labels {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-top: var(--spacing-sm);
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        #results .chart-labels span {
            width: 56px;
            text-align: center;
        }
        @media (max-width: 768px) {
            #results .results-row {
                gap: var(--spacing-lg);
            }
            #results .result-number {
                font-size: 2.8rem;
            }
            #results .result-item {
                min-width: 120px;
            }
            #results .chart-bar {
                width: 36px;
            }
            #results .chart-labels span {
                width: 36px;
                font-size: 0.65rem;
            }
            #results .results-chart {
                gap: 14px;
                height: 180px;
            }
        }

        /* ============ TESTIMONIALS ============ */
        #testimonials .testimonial-carousel {
            margin-top: var(--spacing-xl);
            overflow-x: auto;
            display: flex;
            gap: var(--spacing-md);
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            cursor: grab;
            scrollbar-width: thin;
            scrollbar-color: rgba(241, 90, 36, 0.3) transparent;
        }
        #testimonials .testimonial-carousel::-webkit-scrollbar {
            height: 4px;
        }
        #testimonials .testimonial-carousel::-webkit-scrollbar-track {
            background: transparent;
        }
        #testimonials .testimonial-carousel::-webkit-scrollbar-thumb {
            background: rgba(241, 90, 36, 0.4);
            border-radius: 4px;
        }
        #testimonials .testimonial-card {
            flex: 0 0 420px;
            scroll-snap-align: start;
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            background: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition-smooth);
            align-items: flex-start;
            position: relative;
        }
        #testimonials .testimonial-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        #testimonials .testimonial-quote-mark {
            position: absolute;
            top: 16px;
            left: 20px;
            font-size: 4rem;
            font-family: Georgia, serif;
            color: rgba(241, 90, 36, 0.25);
            line-height: 1;
            pointer-events: none;
        }
        #testimonials .testimonial-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            border: 2px solid rgba(241, 90, 36, 0.4);
            margin-top: 8px;
            position: relative;
            z-index: 1;
        }
        #testimonials .testimonial-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        #testimonials .testimonial-body {
            flex: 1;
            position: relative;
            z-index: 1;
        }
        #testimonials .testimonial-body .quote-text {
            font-size: 0.95rem;
            color: rgba(244, 244, 245, 0.85);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }
        #testimonials .testimonial-body .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        #testimonials .testimonial-body .author-title {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            #testimonials .testimonial-card {
                flex: 0 0 85vw;
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
            }
            #testimonials .testimonial-avatar {
                width: 44px;
                height: 44px;
            }
            #testimonials .testimonial-quote-mark {
                font-size: 2.5rem;
                top: 8px;
                left: 12px;
            }
        }

        /* ============ FAQ ============ */
        #faq .faq-list {
            margin-top: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        #faq .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        #faq .faq-item.open {
            border-left: 3px solid var(--accent-orange);
            box-shadow: 0 4px 20px rgba(241, 90, 36, 0.1);
        }
        #faq .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            user-select: none;
            transition: color var(--transition-fast);
            gap: var(--spacing-sm);
        }
        #faq .faq-question:hover {
            color: var(--accent-orange);
        }
        #faq .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: all var(--transition-smooth);
            font-weight: 300;
            line-height: 1;
        }
        #faq .faq-item.open .faq-icon {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            transform: rotate(45deg);
            background: rgba(241, 90, 36, 0.1);
        }
        #faq .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        #faq .faq-item.open .faq-answer {
            max-height: 300px;
        }
        #faq .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.9rem;
            color: rgba(244, 244, 245, 0.7);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            #faq .faq-question {
                padding: var(--spacing-sm) var(--spacing-md);
                font-size: 0.9rem;
            }
            #faq .faq-answer-inner {
                padding: 0 var(--spacing-md) var(--spacing-sm);
                font-size: 0.85rem;
            }
            #faq .faq-icon {
                width: 24px;
                height: 24px;
                font-size: 1rem;
            }
        }

        /* ============ CTA SECTION ============ */
        #cta {
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-dark));
            text-align: center;
            padding: var(--spacing-3xl) 0;
        }
        #cta .cta-inner {
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }
        #cta h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.6rem;
            letter-spacing: 2px;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        #cta .cta-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-lg);
            line-height: 1.6;
        }
        #cta .btn-cta-final {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 1.5px;
            background: #fff;
            color: #18181B;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            position: relative;
            overflow: hidden;
        }
        #cta .btn-cta-final:hover {
            background: #18181B;
            color: #fff;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            #cta h2 {
                font-size: 1.8rem;
                letter-spacing: 1px;
            }
            #cta .cta-subtitle {
                font-size: 0.95rem;
            }
            #cta {
                padding: var(--spacing-2xl) 0;
            }
        }

        /* ============ FOOTER ============ */
        #footer {
            background: var(--bg-deep-gray);
            padding: var(--spacing-xl) 0;
            border-top: 1px solid var(--border-subtle);
        }
        #footer .footer-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        #footer .footer-brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        #footer .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 2px;
            color: var(--text-white);
        }
        #footer .footer-tagline {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 1px;
        }
        #footer .footer-info {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
        }
        #footer .footer-email {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
        }
        #footer .footer-email:hover {
            color: var(--accent-orange);
        }
        #footer .footer-copy {
            font-size: 0.7rem;
            color: rgba(113, 113, 122, 0.6);
            letter-spacing: 0.5px;
        }
        #footer .footer-links {
            display: flex;
            gap: var(--spacing-md);
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            flex-wrap: wrap;
        }
        #footer .footer-links a {
            transition: color var(--transition-fast);
        }
        #footer .footer-links a:hover {
            color: var(--accent-orange);
        }
        @media (max-width: 768px) {
            #footer .footer-inner {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            #footer .footer-info {
                align-items: center;
            }
        }

        /* ============ REVEAL ANIMATION ============ */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity var(--transition-reveal), transform var(--transition-reveal);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============ UTILITY ============ */
        .text-orange {
            color: var(--accent-orange);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mt-xl {
            margin-top: var(--spacing-xl);
        }
        .text-center {
            text-align: center;
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.85rem;
            }
            #hero .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            #hero .hero-cta-group .btn-primary,
            #hero .hero-cta-group .btn-outline {
                text-align: center;
                justify-content: center;
            }
        }