/* roulang page: index */
:root {
            --color-sun-orange: #FF7A00;
            --color-sun-orange-deep: #FF6D00;
            --color-sun-orange-hover: #E06B00;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #222222;
            --color-warm-white: #F5F2EB;
            --color-gold: #E6B650;
            --color-text-light: #CCCCCC;
            --color-text-mid: #999999;
            --color-text-dark: #333333;
            --color-nav-text: #B3B3B3;
            --color-border-subtle: rgba(255, 255, 255, 0.08);
            --color-border-warm: rgba(230, 182, 80, 0.3);
            --radius-card: 16px;
            --radius-large: 24px;
            --radius-button: 10px;
            --radius-pill: 24px;
            --radius-sm: 8px;
            --shadow-card: 0 20px 35px -10px rgba(0, 0, 0, 0.5);
            --shadow-card-hover: 0 28px 48px -12px rgba(0, 0, 0, 0.6);
            --shadow-button: 0 8px 20px rgba(255, 122, 0, 0.4);
            --shadow-nav: 0 2px 24px rgba(0, 0, 0, 0.4);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', '苹方', 'Source Han Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', '苹方', sans-serif;
            --transition-smooth: 0.3s cubic-bezier(0.2, 0.9, 0.4, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
            --grid-gap: 40px;
            --spacing-unit: 8px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.8;
            font-weight: 400;
            color: var(--color-text-light);
            background-color: var(--color-dark);
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-tap-highlight-color: transparent;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
            -webkit-tap-highlight-color: transparent;
        }

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.2;
            letter-spacing: -0.02em;
            font-weight: 700;
            color: #ffffff;
        }

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

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            :root {
                --section-gap: 80px;
                --grid-gap: 28px;
            }
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
            background: rgba(26, 26, 26, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border-subtle);
            transition: all var(--transition-smooth);
            will-change: transform, background;
        }

        .site-header.scrolled {
            background: rgba(26, 26, 26, 0.92);
            box-shadow: var(--shadow-nav);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .header-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .header-logo .logo-text {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            display: inline-block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-nav-text);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-smooth);
            border-radius: 6px;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 24px;
            height: 2px;
            background: var(--color-sun-orange);
            border-radius: 2px;
            transition: transform var(--transition-smooth);
            transform-origin: center;
        }

        .header-nav a:hover,
        .header-nav a:focus-visible {
            color: #ffffff;
        }
        .header-nav a:hover::after,
        .header-nav a:focus-visible::after {
            transform: translateX(-50%) scaleX(1);
        }
        .header-nav a:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-nav-text);
            font-size: 18px;
            transition: all var(--transition-smooth);
            background: transparent;
        }

        .header-search-btn:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .header-search-input {
            position: absolute;
            right: 44px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 40px;
            padding: 0;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            color: #fff;
            font-size: 14px;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-smooth);
            overflow: hidden;
            white-space: nowrap;
        }

        .header-search-input.active {
            width: 200px;
            padding: 0 16px;
            opacity: 1;
            pointer-events: auto;
        }

        .header-search-input::placeholder {
            color: #777;
        }

        .header-login-link {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-nav-text);
            padding: 8px 12px;
            border-radius: 6px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .header-login-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
        }
        .header-login-link:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
        }

        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            background: var(--color-sun-orange);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(255, 122, 0, 0.3);
            letter-spacing: 0.01em;
        }
        .header-cta-btn:hover {
            background: var(--color-sun-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 122, 0, 0.45);
            color: #ffffff;
        }
        .header-cta-btn:focus-visible {
            outline: 3px solid var(--color-sun-orange);
            outline-offset: 3px;
        }
        .header-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 122, 0, 0.3);
        }

        /* Hamburger */
        .hamburger-btn {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-smooth);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }
        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: rgba(22, 22, 22, 0.96);
            backdrop-filter: blur(28px);
            -webkit-backdrop-filter: blur(28px);
            flex-direction: column;
            padding: 40px 28px;
            gap: 8px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            font-size: 18px;
            font-weight: 600;
            color: #ddd;
            border-left: 3px solid transparent;
            border-radius: 0 8px 8px 0;
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .mobile-drawer a:hover,
        .mobile-drawer a:focus-visible {
            color: #ffffff;
            border-left-color: var(--color-sun-orange);
            background: rgba(255, 122, 0, 0.06);
        }
        .mobile-drawer a:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 16px;
            background: var(--color-sun-orange);
            color: #fff;
            border-radius: var(--radius-pill);
            justify-content: center;
            text-align: center;
            font-weight: 600;
            border-left: none;
            padding: 16px 24px;
        }
        .mobile-drawer .drawer-cta:hover {
            background: var(--color-sun-orange-hover);
            border-left: none;
            color: #fff;
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-actions .header-login-link {
                display: none;
            }
            .header-actions .header-cta-btn {
                display: none;
            }
            .header-actions .header-search-wrap {
                display: flex;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .header-logo .logo-text {
                font-size: 18px;
            }
        }

        @media (min-width: 769px) {
            .mobile-drawer {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 72px;
            overflow: hidden;
            background: var(--color-dark);
        }

        .hero-bg-image {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 48%;
            height: 80%;
            object-fit: cover;
            border-radius: var(--radius-large) 0 0 var(--radius-large);
            opacity: 0.55;
            filter: brightness(0.7) contrast(1.1);
            z-index: 0;
            pointer-events: none;
        }

        .hero-bg-overlay {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 48%;
            height: 80%;
            border-radius: var(--radius-large) 0 0 var(--radius-large);
            background: linear-gradient(135deg,
                    rgba(255, 122, 0, 0.22) 0%,
                    rgba(255, 109, 0, 0.08) 40%,
                    rgba(26, 26, 26, 0.6) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 0, 0.18) 0%, rgba(255, 122, 0, 0.03) 50%, transparent 70%);
            top: -150px;
            right: -100px;
            z-index: 0;
            pointer-events: none;
            animation: heroGlowPulse 8s ease-in-out infinite;
        }

        @keyframes heroGlowPulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.25);
                opacity: 0.7;
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
            padding: 40px 0;
        }

        .hero-h1 {
            font-size: clamp(36px, 5vw, 54px);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.025em;
            color: #ffffff;
            margin-bottom: 24px;
        }
        .hero-h1 .line {
            display: block;
            opacity: 0;
            transform: translateY(36px);
            animation: fadeUpLine 0.8s cubic-bezier(0.2, 0.9, 0.4, 1) forwards;
        }
        .hero-h1 .line:nth-child(1) {
            animation-delay: 0.1s;
        }
        .hero-h1 .line:nth-child(2) {
            animation-delay: 0.25s;
        }
        .hero-h1 .line:nth-child(3) {
            animation-delay: 0.4s;
        }
        .hero-h1 .highlight {
            color: var(--color-sun-orange);
        }

        @keyframes fadeUpLine {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: var(--color-text-light);
            max-width: 480px;
            margin-bottom: 36px;
            opacity: 0;
            transform: translateY(28px);
            animation: fadeUpLine 0.8s cubic-bezier(0.2, 0.9, 0.4, 1) 0.55s forwards;
        }

        .hero-buttons {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            opacity: 0;
            transform: translateY(28px);
            animation: fadeUpLine 0.8s cubic-bezier(0.2, 0.9, 0.4, 1) 0.7s forwards;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 32px;
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            background: var(--color-sun-orange);
            border-radius: var(--radius-button);
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(255, 122, 0, 0.35);
            min-height: 50px;
        }
        .btn-primary:hover {
            background: var(--color-sun-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 122, 0, 0.5);
            color: #ffffff;
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-sun-orange);
            outline-offset: 3px;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 122, 0, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 32px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-sun-orange);
            background: transparent;
            border: 1.5px solid var(--color-sun-orange);
            border-radius: var(--radius-button);
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            min-height: 50px;
        }
        .btn-secondary:hover {
            background: rgba(255, 122, 0, 0.08);
            border-color: var(--color-sun-orange-deep);
            color: var(--color-sun-orange-deep);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid var(--color-sun-orange);
            outline-offset: 3px;
        }
        .btn-secondary:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 60px;
            }
            .hero-bg-image {
                width: 100%;
                height: 50%;
                top: auto;
                bottom: 0;
                transform: none;
                border-radius: var(--radius-large) var(--radius-large) 0 0;
                opacity: 0.4;
            }
            .hero-bg-overlay {
                width: 100%;
                height: 50%;
                top: auto;
                bottom: 0;
                transform: none;
                border-radius: var(--radius-large) var(--radius-large) 0 0;
            }
            .hero-content {
                max-width: 100%;
                padding-bottom: 280px;
                position: relative;
                z-index: 2;
            }
            .hero-h1 {
                font-size: clamp(28px, 7vw, 40px);
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 15px;
            }
            .hero-glow {
                width: 300px;
                height: 300px;
                top: -60px;
                right: -60px;
            }
        }

        /* ========== SECTIONS COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 64px;
        }
        .section-header h2 {
            font-size: clamp(28px, 3.5vw, 40px);
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
            position: relative;
            display: inline-block;
            padding: 0 20px;
        }
        .section-header h2::before {
            content: '— ';
            color: var(--color-sun-orange);
            font-weight: 700;
            letter-spacing: 0;
        }
        .section-header h2::after {
            content: ' —';
            color: var(--color-sun-orange);
            font-weight: 700;
            letter-spacing: 0;
        }
        .section-header .section-subtitle {
            font-size: 17px;
            color: var(--color-text-mid);
            margin-top: 14px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* ========== CORE STRENGTHS ========== */
        .strengths-section {
            background: var(--color-dark-secondary);
        }

        .strengths-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .strength-main-card {
            background: var(--color-dark);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-large);
            padding: 44px 36px;
            display: flex;
            gap: 32px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .strength-main-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 122, 0, 0.25);
            transform: translateY(-3px);
        }
        .strength-main-card::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .strength-main-icon {
            width: 90px;
            height: 90px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 122, 0, 0.08);
            border-radius: 20px;
            color: var(--color-sun-orange);
            font-size: 44px;
        }
        .strength-main-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffffff;
        }
        .strength-main-info p {
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.7;
            max-width: 340px;
        }

        .strength-icon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .strength-icon-item {
            background: var(--color-dark);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 14px;
            text-align: center;
            cursor: pointer;
            position: relative;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            min-height: 110px;
            justify-content: center;
        }
        .strength-icon-item:hover {
            border-color: rgba(255, 122, 0, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            background: #252525;
        }
        .strength-icon-item .icon-symbol {
            font-size: 32px;
            color: var(--color-sun-orange);
            transition: transform var(--transition-smooth);
        }
        .strength-icon-item:hover .icon-symbol {
            transform: scale(1.15);
        }
        .strength-icon-item .icon-label {
            font-size: 13px;
            font-weight: 600;
            color: #ddd;
            letter-spacing: 0.02em;
        }
        .strength-icon-item .icon-tooltip {
            position: absolute;
            bottom: 110%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #2a2a2a;
            color: #ddd;
            font-size: 12px;
            padding: 8px 14px;
            border-radius: 8px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-smooth);
            border: 1px solid rgba(255, 122, 0, 0.3);
            z-index: 3;
            line-height: 1.5;
            text-align: center;
            max-width: 200px;
            white-space: normal;
        }
        .strength-icon-item:hover .icon-tooltip {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        @media (max-width: 768px) {
            .strengths-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .strength-main-card {
                flex-direction: column;
                padding: 28px 22px;
                gap: 18px;
            }
            .strength-main-icon {
                width: 64px;
                height: 64px;
                font-size: 32px;
                border-radius: 14px;
            }
            .strength-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .strength-icon-item {
                min-height: 90px;
                padding: 16px 10px;
            }
            .strength-icon-item .icon-symbol {
                font-size: 26px;
            }
            .strength-icon-item .icon-label {
                font-size: 12px;
            }
        }

        /* ========== SOLUTIONS ========== */
        .solutions-section {
            background: var(--color-dark);
        }
        .solution-row {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
            position: relative;
        }
        .solution-row:last-child {
            margin-bottom: 0;
        }
        .solution-row.reverse {
            flex-direction: row-reverse;
        }
        .solution-image-wrap {
            flex: 1;
            min-width: 0;
            position: relative;
            border-radius: var(--radius-large);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            box-shadow: var(--shadow-card);
        }
        .solution-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }
        .solution-image-wrap:hover img {
            transform: scale(1.04);
        }
        .solution-image-wrap .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 122, 0, 0.15) 0%, rgba(26, 26, 26, 0.35) 100%);
            pointer-events: none;
            z-index: 1;
        }
        .solution-text {
            flex: 1;
            min-width: 0;
            padding: 20px 0;
            position: relative;
            z-index: 2;
        }
        .solution-text h3 {
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 700;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .solution-text ul {
            margin-bottom: 20px;
        }
        .solution-text ul li {
            position: relative;
            padding-left: 22px;
            font-size: 15px;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 6px;
        }
        .solution-text ul li::before {
            content: '—';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--color-sun-orange);
            font-weight: 700;
        }
        .solution-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-sun-orange);
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
        }
        .solution-link .arrow {
            display: inline-block;
            transition: transform var(--transition-smooth);
        }
        .solution-link:hover {
            color: #ff9530;
        }
        .solution-link:hover .arrow {
            transform: translateX(5px);
        }
        .solution-link:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 4px;
            border-radius: 4px;
        }

        @media (max-width: 768px) {
            .solution-row,
            .solution-row.reverse {
                flex-direction: column;
                gap: 28px;
                margin-bottom: 56px;
            }
            .solution-image-wrap {
                aspect-ratio: 4 / 3;
                width: 100%;
            }
            .solution-text {
                padding: 0;
            }
            .solution-text h3 {
                font-size: 22px;
            }
        }

        /* ========== CASES ========== */
        .cases-section {
            background: var(--color-dark-secondary);
            overflow: hidden;
        }
        .cases-scroll {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 16px;
            cursor: grab;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 122, 0, 0.4) transparent;
        }
        .cases-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .cases-scroll::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }
        .cases-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 122, 0, 0.4);
            border-radius: 3px;
        }
        .case-card {
            flex: 0 0 380px;
            scroll-snap-align: start;
            background: var(--color-dark);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-large);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            position: relative;
            cursor: pointer;
        }
        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 122, 0, 0.3);
        }
        .case-card-image {
            height: 200px;
            position: relative;
            overflow: hidden;
        }
        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .case-card:hover .case-card-image img {
            transform: scale(1.06);
        }
        .case-card-image .case-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(26, 26, 26, 0.1) 0%, rgba(26, 26, 26, 0.7) 100%);
            pointer-events: none;
        }
        .case-stat {
            position: absolute;
            bottom: 14px;
            left: 20px;
            z-index: 2;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-sun-orange);
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            font-family: var(--font-heading);
        }
        .case-card-body {
            padding: 22px 20px;
        }
        .case-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .case-card-body p {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .case-card {
                flex: 0 0 300px;
            }
            .case-stat {
                font-size: 1.8rem;
            }
            .case-card-body h3 {
                font-size: 16px;
            }
        }

        /* ========== PROCESS ========== */
        .process-section {
            background: var(--color-dark);
            position: relative;
        }
        .process-bg-decor {
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 35%;
            height: 70%;
            object-fit: cover;
            border-radius: var(--radius-large) 0 0 var(--radius-large);
            opacity: 0.25;
            pointer-events: none;
            z-index: 0;
            filter: brightness(0.5) saturate(0.6);
        }
        .process-steps {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 0;
            position: relative;
            z-index: 2;
            flex-wrap: nowrap;
        }
        .process-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            flex: 1;
            min-width: 0;
            position: relative;
            padding: 0 20px;
        }
        .process-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-sun-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            z-index: 3;
            flex-shrink: 0;
            box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 24px;
            left: calc(50% + 34px);
            width: calc(100% - 48px);
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--color-sun-orange) 0px, var(--color-sun-orange) 6px, transparent 6px, transparent 14px);
            z-index: 1;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #ffffff;
        }
        .process-step p {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.6;
            max-width: 180px;
        }

        @media (max-width: 768px) {
            .process-steps {
                flex-direction: column;
                align-items: center;
                gap: 0;
            }
            .process-step {
                flex-direction: row;
                align-items: center;
                text-align: left;
                gap: 18px;
                padding: 16px 0;
                width: 100%;
                max-width: 380px;
            }
            .process-step:not(:last-child)::after {
                top: auto;
                left: 24px;
                bottom: -4px;
                width: 2px;
                height: 40px;
                background: repeating-linear-gradient(180deg, var(--color-sun-orange) 0px, var(--color-sun-orange) 6px, transparent 6px, transparent 14px);
            }
            .process-dot {
                width: 40px;
                height: 40px;
                font-size: 17px;
                margin-bottom: 0;
            }
            .process-step h3 {
                font-size: 16px;
                margin-bottom: 2px;
            }
            .process-step p {
                font-size: 13px;
                max-width: none;
            }
            .process-bg-decor {
                display: none;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-dark-secondary);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0;
        }
        .faq-question {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 22px 16px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            transition: all var(--transition-smooth);
            border-radius: 8px;
            background: transparent;
            min-height: 60px;
            position: relative;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
            background: rgba(255, 122, 0, 0.04);
        }
        .faq-q-mark {
            font-family: 'Georgia', 'Times New Roman', serif;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-sun-orange);
            flex-shrink: 0;
            line-height: 1.4;
            width: 28px;
        }
        .faq-question-text {
            flex: 1;
            font-size: 17px;
            font-weight: 600;
            color: #e0e0e0;
            line-height: 1.5;
        }
        .faq-arrow {
            flex-shrink: 0;
            font-size: 16px;
            color: var(--color-text-mid);
            transition: transform var(--transition-smooth);
            margin-top: 2px;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-sun-orange);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.2, 0.9, 0.4, 1), padding 0.45s cubic-bezier(0.2, 0.9, 0.4, 1);
            padding: 0 16px 0 60px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 16px 20px 60px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 18px 12px;
                gap: 12px;
                min-height: 52px;
            }
            .faq-question-text {
                font-size: 15px;
            }
            .faq-q-mark {
                font-size: 19px;
                width: 22px;
            }
            .faq-answer {
                padding: 0 12px 0 46px;
            }
            .faq-item.active .faq-answer {
                padding: 0 12px 16px 46px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a1a 0%, #2a1a08 40%, #3d2000 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 100px 0;
        }
        .cta-glow-center {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 0, 0.25) 0%, rgba(255, 122, 0, 0.05) 45%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 0;
            animation: ctaGlowPulse 6s ease-in-out infinite;
        }
        @keyframes ctaGlowPulse {
            0%,
            100% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.9;
            }
            50% {
                transform: translate(-50%, -50%) scale(1.3);
                opacity: 0.5;
            }
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-section .cta-subtitle {
            font-size: 18px;
            color: var(--color-text-light);
            margin-bottom: 36px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-big-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 18px 44px;
            font-size: 18px;
            font-weight: 700;
            color: #1a1a1a;
            background: #ffffff;
            border: 3px solid #ffffff;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.5);
            min-height: 58px;
        }
        .cta-big-btn:hover {
            background: var(--color-sun-orange);
            border-color: var(--color-sun-orange);
            color: #ffffff;
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(255, 122, 0, 0.5);
        }
        .cta-big-btn:focus-visible {
            outline: 4px solid #ffffff;
            outline-offset: 4px;
        }
        .cta-big-btn:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 72px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .cta-subtitle {
                font-size: 16px;
            }
            .cta-big-btn {
                padding: 16px 32px;
                font-size: 16px;
                min-height: 50px;
                width: 100%;
                max-width: 320px;
            }
            .cta-glow-center {
                width: 300px;
                height: 300px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141414;
            padding: 72px 0 32px;
            border-top: 1px solid var(--color-border-subtle);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo svg {
            width: 24px;
            height: 24px;
        }
        .footer-brand .footer-logo span {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
        }
        .footer-brand .footer-slogan {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 280px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mid);
            font-size: 16px;
            transition: all var(--transition-smooth);
        }
        .footer-social a:hover {
            border-color: var(--color-sun-orange);
            color: var(--color-sun-orange);
            background: rgba(255, 122, 0, 0.06);
        }
        .footer-social a:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-text-mid);
            transition: color var(--transition-smooth);
            line-height: 1.6;
        }
        .footer-col ul li a:hover {
            color: var(--color-sun-orange);
        }
        .footer-col ul li a:focus-visible {
            outline: 2px solid var(--color-sun-orange);
            outline-offset: 2px;
            border-radius: 3px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-mid);
        }
        .footer-bottom a {
            color: var(--color-text-mid);
            transition: color var(--transition-smooth);
        }
        .footer-bottom a:hover {
            color: var(--color-sun-orange);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: auto;
            }
        }

        /* ========== SCROLL OBSERVER ANIMATIONS ========== */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1), transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1);
            will-change: opacity, transform;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-left {
            opacity: 0;
            transform: translateX(-40px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1), transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1);
            will-change: opacity, transform;
        }
        .reveal-left.visible {
            opacity: 1;
            transform: translateX(0);
        }
        .reveal-right {
            opacity: 0;
            transform: translateX(40px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1), transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1);
            will-change: opacity, transform;
        }
        .reveal-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal,
            .reveal-left,
            .reveal-right {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .hero-h1 .line,
            .hero-subtitle,
            .hero-buttons {
                animation: none;
                opacity: 1;
                transform: none;
            }
            .hero-glow,
            .cta-glow-center {
                animation: none;
            }
        }