*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #ff6a00;
            --primary-dark: #cc5500;
            --accent: #00b4d8;
            --accent-dark: #0096b0;
            --bg: #0b0e14;
            --bg-card: #141a24;
            --bg-card-hover: #1c2433;
            --text: #e8edf5;
            --text-muted: #9aa8b9;
            --border: #2a3346;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            padding: 0 16px;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #66e0ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-left: 5px solid var(--primary);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 2rem 0 0.75rem;
            color: #f0f4ff;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.25rem 0 0.5rem;
            color: #d0dbe8;
        }
        p {
            margin-bottom: 1.25rem;
            color: var(--text);
        }
        ul,
        ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        strong {
            color: #fff;
            font-weight: 600;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.2s ease;
        }
        .btn:hover,
        .btn:focus-visible {
            background: var(--primary-dark);
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
        }
        header {
            background: linear-gradient(135deg, #0f1622 0%, #1a2535 100%);
            border-bottom: 2px solid var(--border);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff6a00, #ee3d00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 1.8rem;
            -webkit-text-fill-color: initial;
            color: #ff6a00;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s ease, color 0.25s ease;
        }
        nav a:hover,
        nav a:focus-visible {
            background: rgba(255, 106, 0, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: rgba(20, 26, 36, 0.7);
            padding: 10px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text-muted);
        }
        .hero {
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            background: linear-gradient(135deg, #ff6a00, #ffb347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.75rem;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0 auto 1.75rem;
            color: var(--text-muted);
        }
        .hero-img-wrap {
            max-width: 860px;
            margin: 2rem auto 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .hero-img-wrap img {
            width: 100%;
            display: block;
        }
        section {
            margin: 2.5rem 0;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 1.5rem 0;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.5rem;
            border: 1px solid var(--border);
            transition: background 0.3s ease, transform 0.25s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        }
        .card h3 {
            margin-top: 0;
        }
        .card h3 a {
            color: #fff;
        }
        .card h3 a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .feature-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .feature-table th,
        .feature-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .feature-table th {
            background: #1e2a3a;
            font-weight: 600;
            color: #fff;
        }
        .feature-table tr:last-child td {
            border-bottom: none;
        }
        .feature-table tr:hover td {
            background: rgba(255, 106, 0, 0.06);
        }
        .interview-block {
            background: var(--bg-card);
            border-left: 4px solid var(--primary);
            padding: 1.5rem 2rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
        }
        .interview-block p:last-child {
            margin-bottom: 0;
        }
        .interview-block .speaker {
            font-weight: 700;
            color: var(--primary);
        }
        .data-highlight {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin: 2rem 0;
        }
        .data-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.25rem 1.75rem;
            text-align: center;
            min-width: 150px;
            flex: 1 1 160px;
        }
        .data-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .data-item .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .interactive-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 3rem 0;
        }
        .interactive-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.75rem;
        }
        .interactive-card.full {
            grid-column: 1 / -1;
        }
        .interactive-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card h3 i {
            color: var(--primary);
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            background: #0b0e14;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 14px;
            color: #fff;
            font-family: var(--font);
            font-size: 0.95rem;
            transition: border-color 0.25s ease;
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .interactive-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interactive-card .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #3a4a5a;
            cursor: pointer;
            direction: rtl;
        }
        .interactive-card .star-rating i {
            transition: color 0.2s ease;
        }
        .interactive-card .star-rating i:hover,
        .interactive-card .star-rating i:hover~i {
            color: #ffb347;
        }
        .interactive-card .star-rating input {
            display: none;
        }
        footer {
            border-top: 2px solid var(--border);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.5rem;
            border: 1px solid var(--border);
            margin-bottom: 2rem;
        }
        friend-link::before {
            content: "🌐 Friend Links";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.25rem 0.75rem 0.25rem 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 106, 0, 0.15);
        }
        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
        }
        .copyright strong {
            color: var(--text-muted);
        }
        @media (max-width: 900px) {
            .interactive-area {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .data-highlight {
                gap: 12px;
            }
            .data-item {
                min-width: 120px;
                flex: 1 1 120px;
                padding: 1rem;
            }
            .data-item .number {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141a24;
                padding: 12px 0;
                border-radius: var(--radius);
                margin-top: 8px;
                border: 1px solid var(--border);
            }
            nav a {
                padding: 10px 20px;
                width: 100%;
                border-radius: 0;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.hamburger+.nav-links {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            #nav-toggle:checked~.nav-links {
                display: flex;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 8px 0;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .interview-block {
                padding: 1rem 1.25rem;
            }
            .feature-table {
                font-size: 0.8rem;
            }
            .feature-table th,
            .feature-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 0 8px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .btn {
                padding: 0.5rem 1.2rem;
                font-size: 0.85rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .data-item {
                min-width: 100px;
                flex: 1 1 100px;
            }
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-1 {
            gap: 1rem;
        }
        .emoji-lg {
            font-size: 1.6rem;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .card,
        .interview-block,
        .data-item,
        .interactive-card {
            animation: fadeUp 0.5s ease both;
        }
        .card:nth-child(2) {
            animation-delay: 0.1s;
        }
        .card:nth-child(3) {
            animation-delay: 0.2s;
        }
        .card:nth-child(4) {
            animation-delay: 0.3s;
        }
        .card:nth-child(5) {
            animation-delay: 0.4s;
        }
        .card:nth-child(6) {
            animation-delay: 0.5s;
        }