/* ===== RESET & BASE ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --gold: #c9a84c;
            --gold-light: #e8d08a;
            --gold-gradient: linear-gradient(135deg, #c9a84c 0%, #f0d68a 50%, #c9a84c 100%);
            --dark: #0b0f1a;
            --dark-card: rgba(255, 255, 255, 0.04);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-muted: rgba(255, 255, 255, 0.4);
            --radius: 20px;
            --radius-sm: 12px;
            --shadow-glow: 0 20px 60px rgba(201, 168, 76, 0.08);
            --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--dark);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== SCROLLBAR ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gold);
            border-radius: 10px;
        }

        /* ===== GLOW ORB (背景光晕) ===== */
        .orb {
            position: fixed;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.15;
            pointer-events: none;
            z-index: 0;
            transition: transform 0.2s ease;
        }
        .orb-1 {
            top: -200px;
            right: -200px;
            background: radial-gradient(circle, #c9a84c, transparent 70%);
        }
        .orb-2 {
            bottom: -200px;
            left: -200px;
            background: radial-gradient(circle, #6c5ce7, transparent 70%);
            opacity: 0.08;
        }

        /* ===== HEADER / NAV ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 18px 0;
            transition: all 0.4s ease;
            background: transparent;
        }
        header.scrolled {
            background: rgba(11, 15, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--gold-gradient);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0b0f1a;
            font-weight: 800;
        }
        .logo span {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
            list-style: none;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color 0.3s ease;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold-gradient);
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-cta {
            background: var(--gold-gradient);
            color: #0b0f1a !important;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.25);
        }
        .nav-cta::after {
            display: none !important;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
            color: #0b0f1a !important;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            z-index: 1;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(201, 168, 76, 0.12);
            border: 1px solid rgba(201, 168, 76, 0.2);
            padding: 8px 20px 8px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--gold-light);
            margin-bottom: 28px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }
        .hero-title {
            font-size: clamp(42px, 7vw, 74px);
            font-weight: 800;
            line-height: 1.08;
            letter-spacing: -2px;
            margin-bottom: 24px;
        }
        .hero-title .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 36px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary {
            background: var(--gold-gradient);
            color: #0b0f1a;
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(201, 168, 76, 0.25);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.35);
        }
        .btn-secondary {
            background: transparent;
            color: #fff;
            padding: 16px 36px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.04);
        }
        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border-subtle);
        }
        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* Hero 右侧视觉 */
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 480px;
            aspect-ratio: 1 / 1;
            border-radius: var(--radius);
            background: radial-gradient(ellipse at 30% 30%, rgba(201, 168, 76, 0.08), transparent 70%);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .geo-ring {
            width: 80%;
            height: 80%;
            border-radius: 50%;
            border: 1px solid rgba(201, 168, 76, 0.15);
            position: relative;
            animation: spin-slow 30s linear infinite;
        }
        .geo-ring::before {
            content: 'GEO';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 48px;
            font-weight: 800;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 4px;
        }
        .geo-ring::after {
            content: '';
            position: absolute;
            top: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            background: var(--gold);
            border-radius: 50%;
            box-shadow: 0 0 40px rgba(201, 168, 76, 0.3);
        }
        .geo-ring .dot-2 {
            position: absolute;
            bottom: -4px;
            left: 30%;
            width: 10px;
            height: 10px;
            background: rgba(201, 168, 76, 0.5);
            border-radius: 50%;
        }
        .geo-ring .dot-3 {
            position: absolute;
            top: 20%;
            right: -6px;
            width: 8px;
            height: 8px;
            background: rgba(201, 168, 76, 0.3);
            border-radius: 50%;
        }
        @keyframes spin-slow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        /* 浮动标签 */
        .float-tag {
            position: absolute;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            animation: float 6s ease-in-out infinite;
        }
        .float-tag .icon {
            font-size: 18px;
        }
        .float-tag-1 {
            top: 8%;
            right: -10%;
            animation-delay: 0s;
        }
        .float-tag-2 {
            bottom: 15%;
            left: -12%;
            animation-delay: 2s;
        }
        .float-tag-3 {
            bottom: 30%;
            right: -8%;
            animation-delay: 4s;
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        /* ===== SECTION 通用 ===== */
        section {
            position: relative;
            z-index: 1;
            padding: 100px 0;
        }
        .section-label {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 3px;
            color: var(--gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .section-title .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }
        .section-header {
            margin-bottom: 56px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-desc {
            margin: 0 auto;
        }

        /* ===== SERVICES ===== */
        .services {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .service-card {
            background: var(--dark-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            padding: 40px 32px;
            transition: all 0.4s ease;
            backdrop-filter: blur(4px);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gold-gradient);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(201, 168, 76, 0.2);
            background: rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-glow);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            font-size: 36px;
            margin-bottom: 20px;
            display: block;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== ADVANTAGES ===== */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
        }
        .advantage-item {
            text-align: center;
            padding: 20px;
        }
        .advantage-item .number {
            font-size: 48px;
            font-weight: 800;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 12px;
        }
        .advantage-item h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .advantage-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== CASES ===== */
        .cases {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .case-card {
            background: var(--dark-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.4s ease;
        }
        .case-card:hover {
            transform: translateY(-6px);
            border-color: rgba(201, 168, 76, 0.15);
            box-shadow: var(--shadow-glow);
        }
        .case-thumb {
            height: 200px;
            background: linear-gradient(135deg, rgba(201, 168, 76, 0.05), rgba(108, 92, 231, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            color: var(--gold);
            border-bottom: 1px solid var(--border-subtle);
        }
        .case-body {
            padding: 28px 30px;
        }
        .case-body .tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--gold);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .case-body h4 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .case-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: radial-gradient(ellipse at 50% 30%, rgba(201, 168, 76, 0.06), transparent 70%);
            text-align: center;
            padding: 120px 0;
        }
        .cta-section .section-title {
            max-width: 700px;
            margin: 0 auto 20px;
        }
        .cta-section .section-desc {
            margin: 0 auto 36px;
        }
        .cta-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== CONTACT / FORM ===== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }
        .contact-info h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .contact-info p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .contact-detail {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .contact-detail .icon {
            width: 44px;
            height: 44px;
            background: var(--dark-card);
            border: 1px solid var(--border-subtle);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .contact-detail .text {
            font-size: 15px;
            color: var(--text-secondary);
        }
        .contact-detail .text strong {
            color: #fff;
            font-weight: 500;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 14px 18px;
            background: var(--dark-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 15px;
            font-family: inherit;
            transition: all 0.3s ease;
            outline: none;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.08);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }
        .btn-submit {
            background: var(--gold-gradient);
            color: #0b0f1a;
            padding: 16px 44px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 30px rgba(201, 168, 76, 0.2);
            width: 100%;
            font-family: inherit;
        }
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 40px rgba(201, 168, 76, 0.3);
        }

        /* ===== FOOTER ===== */
        footer {
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
            background: rgba(0, 0, 0, 0.2);
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-logo {
            font-size: 18px;
            font-weight: 700;
        }
        .footer-logo span {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-links {
            display: flex;
            gap: 32px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .hero-visual-inner {
                max-width: 360px;
                margin: 0 auto;
            }
            .float-tag {
                display: none;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .section-header.center .section-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(11, 15, 26, 0.96);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 80px 40px 40px;
                gap: 24px;
                align-items: flex-start;
                transition: right 0.4s ease;
                border-left: 1px solid var(--border-subtle);
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links a {
                font-size: 18px;
            }
            .nav-cta {
                padding: 12px 32px;
                font-size: 16px;
            }
            .hamburger {
                display: flex;
            }
            .hero {
                padding: 100px 0 60px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-stats {
                gap: 28px;
                flex-wrap: wrap;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            section {
                padding: 64px 0;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 28px;
                letter-spacing: -1px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
                align-items: center;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .contact-detail {
                flex-wrap: wrap;
            }
            .section-title {
                font-size: 28px;
            }
        }

        /* ===== 滚动动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 {
            transition-delay: 0.1s;
        }
        .reveal-delay-2 {
            transition-delay: 0.2s;
        }
        .reveal-delay-3 {
            transition-delay: 0.3s;
        }
        .reveal-delay-4 {
            transition-delay: 0.4s;
        }