/* CSS Reset & Variables */
        :root {
            --primary: #10b981; /* 薄荷绿 */
            --primary-dark: #047857;
            --primary-light: #ecfdf5;
            --secondary: #06b6d4; /* 青色 */
            --dark: #1f2937;
            --gray: #4b5563;
            --light-gray: #f3f4f6;
            --white: #ffffff;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--dark);
            background-color: #f7fee7; /* 极淡清新黄绿底 */
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Utilities */
        .text-center { text-align: center; }
        .flex { display: flex; }
        .grid { display: grid; }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1rem;
            position: relative;
        }
        .section-title span {
            color: var(--primary);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--gray);
            margin-bottom: 3rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 9999px;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-secondary {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid rgba(16, 185, 129, 0.1);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo-box img {
            height: 2.5rem;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary-dark);
        }
        .nav-menu {
            display: flex;
            gap: 1.5rem;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray);
            padding: 0.5rem 0.25rem;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Section Layouts */
        section {
            padding: 5rem 0;
        }
        .section-bg-light {
            background-color: rgba(236, 253, 245, 0.5);
        }
        .section-bg-white {
            background-color: var(--white);
        }

        /* Hero Section (No Images) */
        .hero {
            background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f7fee7 100%);
            padding: 7rem 0 6rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -5%;
            left: -5%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 10;
        }
        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 0.5rem 1.5rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(16,185,129,0.2);
            animation: pulse 2s infinite;
        }
        .hero-title {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1.5rem;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* Stats Grid */
        .stats-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 4rem;
        }
        .stat-card {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16,185,129,0.1);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--gray);
            font-weight: 600;
        }

        /* About Us Section */
        .about-grid {
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .about-content p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.75;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }
        .about-feature-item svg {
            width: 1.5rem;
            height: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 0.2rem;
        }
        .about-feature-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.25rem;
        }
        .about-feature-item p {
            font-size: 0.875rem;
            color: var(--gray);
            margin-bottom: 0;
        }
        .about-img-box {
            position: relative;
        }
        .about-img-box img {
            border-radius: 1.5rem;
            box-shadow: var(--shadow-lg);
        }

        /* Services Section (Cards) */
        .services-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .service-card {
            background-color: var(--white);
            padding: 2.5rem;
            border-radius: 1.25rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16, 185, 129, 0.08);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .service-icon {
            width: 3.5rem;
            height: 3.5rem;
            background-color: var(--primary-light);
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        .service-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        .service-card p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .service-tag {
            background-color: var(--light-gray);
            color: var(--gray);
            font-size: 0.75rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-weight: 600;
        }

        /* AIGC Platforms Box */
        .platforms-box {
            margin-top: 4rem;
            background-color: var(--white);
            padding: 3rem;
            border-radius: 1.5rem;
            box-shadow: var(--shadow-md);
            text-align: center;
        }
        .platforms-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 2rem;
        }
        .platforms-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
        }
        .platform-badge {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(16, 185, 129, 0.15);
            transition: var(--transition);
        }
        .platform-badge:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: scale(1.05);
        }

        /* Steps Section (Timeline) */
        .steps-container {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        .steps-container::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background-color: var(--primary-light);
            transform: translateX(-50%);
        }
        .step-item {
            position: relative;
            margin-bottom: 4rem;
            width: 50%;
        }
        .step-item:nth-child(odd) {
            left: 0;
            padding-right: 3rem;
            text-align: right;
        }
        .step-item:nth-child(even) {
            left: 50%;
            padding-left: 3rem;
            text-align: left;
        }
        .step-badge {
            position: absolute;
            top: 0;
            width: 2.5rem;
            height: 2.5rem;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            z-index: 10;
        }
        .step-item:nth-child(odd) .step-badge {
            right: -1.25rem;
        }
        .step-item:nth-child(even) .step-badge {
            left: -1.25rem;
        }
        .step-content {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16,185,129,0.1);
        }
        .step-content h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        .step-content p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* Solutions (Grid Tab) */
        .solutions-grid {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .solution-card {
            background-color: var(--white);
            border-radius: 1.5rem;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            border: 1px solid rgba(16,185,129,0.05);
        }
        .solution-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .solution-info {
            padding: 2rem;
        }
        .solution-info h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 0.75rem;
        }
        .solution-info p {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1.25rem;
        }

        /* Network & Service Info */
        .network-section {
            background-color: var(--white);
        }
        .network-grid {
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .map-placeholder {
            background-color: var(--primary-light);
            border-radius: 1.5rem;
            padding: 4rem;
            text-align: center;
            border: 2px dashed var(--primary);
            position: relative;
        }
        .network-dots {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-top: 1.5rem;
        }
        .network-dot {
            background-color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary-dark);
            box-shadow: var(--shadow-sm);
        }

        /* Token Price Section */
        .token-section {
            background-color: var(--white);
        }
        .token-table-container {
            overflow-x: auto;
            background-color: var(--white);
            border-radius: 1rem;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(16,185,129,0.1);
        }
        .token-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .token-table th, .token-table td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--light-gray);
        }
        .token-table th {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }
        .token-table tr:last-child td {
            border-bottom: none;
        }
        .token-table tr:hover td {
            background-color: rgba(236, 253, 245, 0.3);
        }
        .tag-hot {
            background-color: #ef4444;
            color: white;
            padding: 0.15rem 0.5rem;
            font-size: 0.75rem;
            border-radius: 0.25rem;
            font-weight: 700;
        }

        /* Training Section */
        .training-grid {
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
        }
        .training-card {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 1rem;
            border-left: 5px solid var(--primary);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .training-card:hover {
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }
        .training-card h3 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 0.75rem;
        }
        .training-card p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* Evaluation Section */
        .eval-box {
            background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
            border-radius: 2rem;
            padding: 3rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(16,185,129,0.2);
        }
        .eval-grid {
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }
        .eval-score-box {
            text-align: center;
            border-right: 1px solid rgba(16,185,129,0.2);
            padding-right: 2rem;
        }
        .eval-score-num {
            font-size: 5rem;
            font-weight: 900;
            color: var(--primary-dark);
            line-height: 1;
        }
        .eval-score-stars {
            color: #fbbf24;
            font-size: 1.75rem;
            margin: 1rem 0;
        }
        .eval-progress-container {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .eval-progress-item {
            display: grid;
            grid-template-columns: 100px 1fr 50px;
            align-items: center;
            gap: 1rem;
        }
        .eval-progress-label {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }
        .eval-progress-bar-bg {
            background-color: var(--light-gray);
            height: 10px;
            border-radius: 9999px;
            overflow: hidden;
        }
        .eval-progress-bar {
            height: 100%;
            background-color: var(--primary);
            border-radius: 9999px;
        }
        .eval-progress-val {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            text-align: right;
        }

        /* Cases Center (Image Gallery) */
        .cases-grid {
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }
        .case-card {
            background-color: var(--white);
            border-radius: 1.25rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16,185,129,0.1);
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-text {
            padding: 1.5rem;
        }
        .case-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.5rem;
            border-radius: 0.25rem;
            margin-bottom: 0.5rem;
        }
        .case-text h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }
        .case-text p {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* User Reviews */
        .reviews-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .review-card {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 1.25rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16,185,129,0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-desc {
            font-size: 0.95rem;
            color: var(--gray);
            font-style: italic;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .review-avatar-text {
            width: 2.75rem;
            height: 2.75rem;
            background-color: var(--primary);
            color: var(--white);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        .review-user-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }
        .review-user-title {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* FAQ Section */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background-color: var(--white);
            border-radius: 0.75rem;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid rgba(16,185,129,0.08);
            transition: var(--transition);
        }
        .faq-header {
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--dark);
            user-select: none;
        }
        .faq-header:hover {
            background-color: var(--primary-light);
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 1.5rem;
        }
        .faq-body-content {
            padding-bottom: 1.25rem;
            color: var(--gray);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-body {
            max-height: 1000px;
            transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* Help Info & Terminology */
        .info-grid {
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }
        .info-box {
            background-color: var(--white);
            padding: 2.5rem;
            border-radius: 1.5rem;
            box-shadow: var(--shadow-sm);
        }
        .info-box h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 0.5rem;
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .info-list-item h4 {
            font-size: 1.05rem;
            color: var(--primary-dark);
            margin-bottom: 0.25rem;
        }
        .info-list-item p {
            font-size: 0.9rem;
            color: var(--gray);
        }

        /* Articles & Knowledge base */
        .articles-grid {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .article-card {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(16,185,129,0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .article-card h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.4;
        }
        .article-meta {
            font-size: 0.8rem;
            color: var(--gray);
            margin-bottom: 1.5rem;
        }
        .article-btn {
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .article-btn:hover {
            color: var(--primary-dark);
        }

        /* Contact & Form Section */
        .contact-grid {
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
            align-items: start;
        }
        .contact-info-card {
            background-color: var(--white);
            padding: 3rem;
            border-radius: 1.5rem;
            box-shadow: var(--shadow-md);
        }
        .contact-detail {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .contact-item-icon {
            width: 2.5rem;
            height: 2.5rem;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .contact-item-text p {
            font-size: 0.85rem;
            color: var(--gray);
        }
        .contact-item-text h4 {
            font-size: 1.05rem;
            color: var(--dark);
        }
        .qr-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            text-align: center;
        }
        .qr-box {
            background-color: var(--light-gray);
            padding: 1rem;
            border-radius: 1rem;
        }
        .qr-box img {
            width: 100px;
            height: 100px;
            margin: 0 auto 0.5rem auto;
            border-radius: 0.5rem;
        }
        .qr-box p {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Form Styling */
        .form-card {
            background-color: var(--white);
            padding: 3rem;
            border-radius: 1.5rem;
            box-shadow: var(--shadow-md);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group-full {
            grid-column: span 2;
        }
        .form-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
        }
        .form-control {
            padding: 0.75rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 0.5rem;
            font-family: inherit;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
        }
        .submit-btn {
            width: 100%;
            background-color: var(--primary);
            color: var(--white);
            font-size: 1rem;
            padding: 0.875rem;
            border: none;
            border-radius: 0.5rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--primary-dark);
        }

        /* Footer links */
        footer {
            background-color: var(--dark);
            color: #9ca3af;
            padding: 4rem 0 2rem 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
            border-bottom: 1px solid #374151;
            padding-bottom: 3rem;
        }
        .footer-logo-box {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .footer-logo {
            filter: brightness(0) invert(1);
            height: 2.5rem;
        }
        .footer-title {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .friend-links a {
            background-color: #374151;
            color: #d1d5db;
            padding: 0.25rem 0.75rem;
            border-radius: 0.25rem;
            font-size: 0.8rem;
        }
        .friend-links a:hover {
            background-color: var(--primary);
            color: var(--white);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        /* Float Widget */
        .float-widget {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .widget-item {
            width: 3.5rem;
            height: 3.5rem;
            background-color: var(--white);
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(16, 185, 129, 0.1);
            position: relative;
        }
        .widget-item:hover {
            background-color: var(--primary-light);
            transform: scale(1.1);
        }
        .widget-item svg {
            width: 1.5rem;
            height: 1.5rem;
            color: var(--primary);
        }
        .widget-qr-box {
            position: absolute;
            bottom: 0;
            right: 4rem;
            background-color: var(--white);
            padding: 1rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(16,185,129,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }
        .widget-qr-box img {
            width: 100px;
            height: 100px;
            margin-bottom: 0.5rem;
        }
        .widget-qr-box p {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--dark);
        }
        .widget-item:hover .widget-qr-box {
            display: block;
        }

        /* Animations */
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        /* Responsive Breakpoints */
        @media (max-width: 992px) {
            .about-grid, .network-grid, .contact-grid, .info-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .step-item {
                width: 100%;
                left: 0 !important;
                padding-left: 3rem !important;
                padding-right: 0 !important;
                text-align: left !important;
            }
            .steps-container::before {
                left: 1.25rem;
            }
            .step-item .step-badge {
                left: 0 !important;
            }
            .eval-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .eval-score-box {
                border-right: none;
                border-bottom: 1px solid rgba(16,185,129,0.2);
                padding-right: 0;
                padding-bottom: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 4.5rem;
                left: -100%;
                width: 100%;
                height: calc(100vh - 4.5rem);
                background-color: var(--white);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }