*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1e293b;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #2a6f97; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #1d4f6e; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5rem; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
        .site-header {
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 100%);
            color: #f1f5f9;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo small { font-size: 0.9rem; font-weight: 400; -webkit-text-fill-color: #94a3b8; background: none; display: block; line-height: 1.2; }
        .my-logo:hover { opacity: 0.85; text-decoration: none; }
        .main-nav { display: flex; align-items: center; gap: 1.5rem; }
        .main-nav a {
            color: #cbd5e1;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover, .main-nav a.active { color: #fbbf24; border-bottom-color: #fbbf24; text-decoration: none; }
        .hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; background: none; border: none; padding: 4px; }
        .hamburger span { display: block; width: 28px; height: 3px; background: #f1f5f9; border-radius: 3px; transition: 0.3s; }
        .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(6px, -6px); }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #475569;
        }
        .breadcrumb .container { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem; }
        .breadcrumb i { margin: 0 0.3rem; color: #94a3b8; font-size: 0.7rem; }
        .breadcrumb a { color: #2a6f97; }
        .breadcrumb span { color: #1e293b; font-weight: 500; }
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #f8fafc;
            padding: 3rem 0 2.5rem;
            text-align: center;
        }
        .hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.2; margin-bottom: 0.75rem; }
        .hero h1 i { color: #fbbf24; margin-right: 0.5rem; }
        .hero p { font-size: 1.2rem; max-width: 800px; margin: 0 auto 1rem; color: #cbd5e1; }
        .hero .meta { font-size: 0.9rem; color: #94a3b8; display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
        .hero .meta i { margin-right: 0.3rem; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content { min-width: 0; }
        .sidebar {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 { font-size: 1.1rem; margin-bottom: 1rem; border-left: 4px solid #f59e0b; padding-left: 0.75rem; }
        .sidebar ul { list-style: none; padding: 0; }
        .sidebar li { padding: 0.4rem 0; border-bottom: 1px solid #f1f5f9; }
        .sidebar li a { font-size: 0.9rem; display: block; }
        .sidebar li a:hover { color: #f59e0b; }
        h2 { font-size: 2rem; font-weight: 700; margin: 2.5rem 0 1rem; color: #0f172a; border-bottom: 3px solid #f59e0b; padding-bottom: 0.3rem; display: inline-block; }
        h3 { font-size: 1.5rem; font-weight: 600; margin: 2rem 0 0.75rem; color: #1e293b; }
        h4 { font-size: 1.2rem; font-weight: 600; margin: 1.5rem 0 0.5rem; color: #334155; }
        p { margin-bottom: 1.2rem; }
        .highlight { background: #fef3c7; padding: 0.1rem 0.3rem; border-radius: 4px; font-weight: 600; }
        .emoji-big { font-size: 1.4rem; margin-right: 0.3rem; }
        .featured-img {
            border-radius: 16px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            background: #e2e8f0;
            position: relative;
        }
        .featured-img img { width: 100%; height: auto; object-fit: cover; min-height: 200px; }
        .featured-img .img-caption { background: #f1f5f9; padding: 0.75rem 1rem; font-size: 0.85rem; color: #475569; text-align: center; }
        .data-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; }
        .data-table th { background: #1e293b; color: #f8fafc; padding: 0.75rem 1rem; text-align: left; font-weight: 600; }
        .data-table td { padding: 0.7rem 1rem; border-bottom: 1px solid #e2e8f0; }
        .data-table tr:nth-child(even) { background: #f8fafc; }
        .data-table tr:hover { background: #fef3c7; }
        .callout {
            background: #eef2ff;
            border-left: 5px solid #4f46e5;
            padding: 1.5rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .callout p:last-child { margin-bottom: 0; }
        .callout.orange { border-left-color: #f59e0b; background: #fffbeb; }
        .callout.green { border-left-color: #10b981; background: #ecfdf5; }
        .player-quote {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            margin: 1.8rem 0;
            position: relative;
        }
        .player-quote::before { content: '"'; font-size: 4rem; color: #f59e0b; position: absolute; top: -0.2rem; left: 1rem; opacity: 0.3; font-family: Georgia, serif; }
        .player-quote p { font-style: italic; font-size: 1.05rem; }
        .player-quote .attribution { font-weight: 600; color: #475569; margin-top: 0.5rem; display: block; }
        .form-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.04);
            margin: 2rem 0;
        }
        .form-card h3 { margin-top: 0; border-bottom: 2px solid #e2e8f0; padding-bottom: 0.75rem; }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; color: #334155; }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            transition: 0.2s;
            background: #f8fafc;
            font-family: inherit;
        }
        .form-group input:focus, .form-group textarea:focus { border-color: #f59e0b; outline: none; background: #fff; box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
        .form-group textarea { min-height: 100px; resize: vertical; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            background: #1e293b;
            color: #f8fafc;
        }
        .btn:hover { background: #0f172a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
        .btn.amber { background: #f59e0b; color: #1e293b; }
        .btn.amber:hover { background: #d97706; }
        .star-rating { display: flex; flex-direction: row-reverse; gap: 0.25rem; justify-content: flex-end; }
        .star-rating input { display: none; }
        .star-rating label { font-size: 2rem; color: #d1d5db; cursor: pointer; transition: 0.15s; }
        .star-rating label:hover, .star-rating label:hover ~ label, .star-rating input:checked ~ label { color: #f59e0b; }
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        .footer-grid h4 { color: #f1f5f9; font-size: 1.1rem; margin-bottom: 0.75rem; }
        .footer-grid a { color: #94a3b8; display: block; padding: 0.2rem 0; font-size: 0.9rem; }
        .footer-grid a:hover { color: #fbbf24; text-decoration: none; }
        friend-link { display: block; padding: 0.3rem 0; }
        friend-link a { color: #94a3b8; }
        friend-link a:hover { color: #fbbf24; }
        .footer-bottom { border-top: 1px solid #1e293b; padding-top: 1.5rem; margin-top: 2rem; text-align: center; font-size: 0.85rem; }
        @media (max-width: 900px) {
            .content-wrapper { grid-template-columns: 1fr; }
            .sidebar { position: static; margin-top: 2rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .main-nav { display: none; flex-direction: column; width: 100%; padding: 1rem 0 0.5rem; gap: 0.5rem; }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 0.5rem 0; border-bottom: 1px solid #334155; width: 100%; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.6rem; }
            .container { padding: 0 0.75rem; }
            .form-card { padding: 1.2rem; }
            .data-table { font-size: 0.8rem; }
            .data-table th, .data-table td { padding: 0.5rem; }
        }
        .tag { background: #e2e8f0; padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; color: #475569; display: inline-block; }
        .tag.amber { background: #fef3c7; color: #92400e; }
        .flex-gap { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .text-center { text-align: center; }