*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f4f6fb;
            color: #1a1a2e;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #e63946; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #b71c1c; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #0d1b2a; }
        h1 { font-size: 2.4rem; margin-bottom: 1rem; }
        h2 { font-size: 1.9rem; margin: 2.5rem 0 1rem; border-left: 5px solid #e63946; padding-left: 1rem; }
        h3 { font-size: 1.5rem; margin: 2rem 0 0.75rem; }
        h4 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; font-weight: 600; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.8rem 0 1.2rem 1.8rem; }
        li { margin-bottom: 0.4rem; }
        strong { color: #0d1b2a; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .badge { display: inline-block; background: #e63946; color: #fff; padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.5px; }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i { color: #e63946; font-size: 1.6rem; }
        .my-logo:hover { color: #e63946; text-decoration: none; }
        .my-logo small { font-size: 0.7rem; font-weight: 300; color: #aaa; display: block; letter-spacing: 1px; }
        .nav-wrap { display: flex; align-items: center; gap: 0.5rem; }
        .nav-list { display: flex; list-style: none; gap: 1.2rem; margin: 0; padding: 0; }
        .nav-list a {
            color: #ddd;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.4rem 0;
            position: relative;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 0; height: 2px;
            background: #e63946;
            transition: width 0.3s;
        }
        .nav-list a:hover { color: #fff; text-decoration: none; }
        .nav-list a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0d1b2a;
                padding: 1rem 0;
                margin-top: 0.8rem;
                border-top: 1px solid #2a2a4a;
                gap: 0;
            }
            .nav-list.active { display: flex; }
            .nav-list a { padding: 0.8rem 1rem; display: block; border-bottom: 1px solid #1a1a2e; }
            .nav-list a::after { display: none; }
            .header-inner { align-items: center; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.25rem; }
        }
        .breadcrumb {
            background: #fff;
            padding: 0.7rem 0;
            border-bottom: 1px solid #e0e4ec;
            font-size: 0.85rem;
            color: #666;
        }
        .breadcrumb ol { display: flex; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; gap: 0.4rem; }
        .breadcrumb li+li::before { content: "›"; margin: 0 0.4rem; color: #999; }
        .breadcrumb a { color: #e63946; }
        .breadcrumb .current { color: #333; font-weight: 500; }
        .hero {
            background: linear-gradient(135deg, #0d1b2a 0%, #1a1a2e 50%, #16213e 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🏁";
            font-size: 12rem;
            opacity: 0.04;
            position: absolute;
            right: -2rem;
            bottom: -2rem;
            rotate: -15deg;
        }
        .hero h1 { color: #fff; font-size: 2.6rem; margin-bottom: 0.5rem; }
        .hero p { font-size: 1.15rem; color: #ccc; max-width: 750px; margin: 0 auto 1.2rem; }
        .hero .badge-hero { display: inline-block; background: #e63946; color: #fff; padding: 0.3rem 1.2rem; border-radius: 30px; font-size: 0.85rem; font-weight: 600; margin-bottom: 1rem; }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content { min-width: 0; }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            position: sticky;
            top: 100px;
            align-self: start;
            max-height: calc(100vh - 130px);
            overflow-y: auto;
        }
        .sidebar h3 { font-size: 1.2rem; margin-top: 0; border-bottom: 2px solid #e63946; padding-bottom: 0.5rem; }
        .sidebar ul { list-style: none; margin: 0; padding: 0; }
        .sidebar li { margin-bottom: 0.5rem; }
        .sidebar a { display: block; padding: 0.4rem 0.6rem; border-radius: 6px; font-size: 0.9rem; color: #1a1a2e; transition: background 0.2s; }
        .sidebar a:hover { background: #f0f2f8; text-decoration: none; color: #e63946; }
        @media (max-width: 992px) {
            .content-wrap { grid-template-columns: 1fr; }
            .sidebar { position: static; max-height: none; }
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
        .card.highlight { border-left: 5px solid #e63946; }
        .setup-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .setup-table th {
            background: #0d1b2a;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .setup-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e0e4ec;
        }
        .setup-table tr:nth-child(even) { background: #f8f9fc; }
        .setup-table tr:hover { background: #eef1f8; }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }
        .form-card h3 { margin-top: 0; border-bottom: 2px solid #e63946; padding-bottom: 0.5rem; }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.95rem; }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #e63946;
            outline: none;
            box-shadow: 0 0 0 3px rgba(230,57,70,0.15);
        }
        .form-group textarea { resize: vertical; min-height: 80px; }
        .btn {
            display: inline-block;
            padding: 0.7rem 1.8rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn-primary { background: #e63946; color: #fff; }
        .btn-primary:hover { background: #b71c1c; transform: scale(1.02); }
        .btn-secondary { background: #0d1b2a; color: #fff; }
        .btn-secondary:hover { background: #1a1a2e; transform: scale(1.02); }
        .star-rating { display: flex; gap: 0.3rem; font-size: 1.8rem; cursor: pointer; direction: rtl; }
        .star-rating input { display: none; }
        .star-rating label { color: #ddd; transition: color 0.2s; cursor: pointer; }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label { color: #f4c542; }
        .img-wrapper {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0,0,0,0.1);
        }
        .img-wrapper img { width: 100%; object-fit: cover; }
        .img-caption { background: #f0f2f8; padding: 0.6rem 1rem; font-size: 0.85rem; color: #555; text-align: center; }
        .interview-box {
            background: #f8f9fc;
            border-left: 5px solid #0d1b2a;
            padding: 1.5rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .interview-box .quote { font-style: italic; font-size: 1.05rem; color: #333; }
        .interview-box .attribution { font-weight: 700; margin-top: 0.8rem; color: #0d1b2a; }
        .data-highlight {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .data-item {
            background: #0d1b2a;
            color: #fff;
            padding: 1.2rem;
            border-radius: 12px;
            text-align: center;
        }
        .data-item .number { font-size: 2rem; font-weight: 900; color: #e63946; display: block; }
        .data-item .label { font-size: 0.85rem; color: #bbb; margin-top: 0.2rem; }
        .site-footer {
            background: #0d1b2a;
            color: #ccc;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 { color: #fff; margin-bottom: 0.8rem; font-size: 1.1rem; }
        .site-footer a { color: #aaa; }
        .site-footer a:hover { color: #fff; }
        .site-footer .copyright { border-top: 1px solid #2a2a4a; padding-top: 1.5rem; text-align: center; font-size: 0.85rem; color: #888; }
        friend-link { display: block; }
        friend-link a { display: inline-block; margin: 0.2rem 0.6rem 0.2rem 0; padding: 0.2rem 0.8rem; background: #1a1a2e; border-radius: 20px; font-size: 0.85rem; }
        friend-link a:hover { background: #2a2a4a; text-decoration: none; }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        .to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #e63946;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 4px 16px rgba(230,57,70,0.3);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s, transform 0.2s;
            z-index: 999;
        }
        .to-top.visible { opacity: 1; pointer-events: auto; }
        .to-top:hover { transform: scale(1.1); background: #b71c1c; }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.6rem; }
            .card { padding: 1.2rem; }
            .form-card { padding: 1.2rem; }
            .setup-table { font-size: 0.8rem; }
            .setup-table th, .setup-table td { padding: 0.4rem 0.5rem; }
        }
        @media print {
            .site-header, .sidebar, .to-top, .breadcrumb { display: none; }
            .content-wrap { display: block; }
            .card { box-shadow: none; border: 1px solid #ddd; }
        }