*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: #2563eb; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #1d4ed8; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4 { line-height: 1.3; color: #0f172a; }
        h1 { font-size: 2.4rem; margin-bottom: 1rem; }
        h2 { font-size: 1.8rem; margin: 2.4rem 0 1rem; border-bottom: 3px solid #e2e8f0; padding-bottom: 0.5rem; }
        h3 { font-size: 1.35rem; margin: 1.8rem 0 0.8rem; }
        h4 { font-size: 1.1rem; margin: 1.2rem 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: #0f172a; font-weight: 700; }
        .container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 0 0 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.8rem 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover { opacity: 0.9; text-decoration: none !important; }
        .my-logo i { margin-right: 6px; -webkit-text-fill-color: #fbbf24; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.1); }
        .main-nav ul {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.2rem;
        }
        .main-nav ul li a {
            color: #e2e8f0;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            display: block;
            text-decoration: none;
        }
        .main-nav ul li a:hover {
            background: rgba(255,255,255,0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .main-nav ul li a i { margin-right: 4px; font-size: 0.85rem; }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.7rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb ol li { margin: 0 0.3rem 0 0; }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #94a3b8;
        }
        .breadcrumb a { color: #2563eb; }
        .breadcrumb .current { color: #64748b; font-weight: 500; }
        .hero {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: #fff;
            padding: 3rem 0 3.5rem;
            text-align: center;
            margin-bottom: 1.5rem;
        }
        .hero h1 { color: #fff; font-size: 2.8rem; margin-bottom: 0.5rem; }
        .hero h1 i { color: #fbbf24; margin-right: 10px; }
        .hero p { font-size: 1.2rem; color: #cbd5e1; max-width: 700px; margin: 0 auto; }
        .section { margin: 2rem 0; }
        .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin: 1.5rem 0; }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06);
            border: 1px solid #eef2f6;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.08); }
        .card h3 { margin-top: 0; }
        .card h3 i { color: #f59e0b; margin-right: 8px; }
        .img-wrapper {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }
        .img-wrapper img { width: 100%; object-fit: cover; }
        .img-caption {
            background: rgba(15,23,42,0.85);
            color: #f1f5f9;
            padding: 0.7rem 1.2rem;
            font-size: 0.9rem;
            text-align: center;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #eef2f6;
            margin: 1.5rem 0;
        }
        .form-card h3 { margin-top: 0; border-bottom: 2px solid #e2e8f0; padding-bottom: 0.6rem; }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; color: #0f172a; }
        .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;
            background: #f8fafc;
            transition: border 0.2s, box-shadow 0.2s;
            font-family: inherit;
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
            outline: none;
            background: #fff;
        }
        .form-group textarea { min-height: 100px; resize: vertical; }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover { background: #1d4ed8; transform: scale(1.02); }
        .btn i { font-size: 0.9rem; }
        .star-rating { display: flex; gap: 4px; font-size: 1.8rem; cursor: pointer; direction: rtl; }
        .star-rating input { display: none; }
        .star-rating label { color: #d1d5db; transition: color 0.15s; cursor: pointer; }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label { color: #f59e0b; }
        .comment-list { margin: 1.5rem 0; }
        .comment-item {
            background: #f8fafc;
            border-left: 4px solid #2563eb;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin-bottom: 1rem;
        }
        .comment-item .author { font-weight: 700; color: #0f172a; }
        .comment-item .date { font-size: 0.82rem; color: #94a3b8; }
        .comment-item .text { margin-top: 0.3rem; }
        friend-link {
            display: block;
            background: #f1f5f9;
            border-radius: 12px;
            padding: 1.8rem 2rem;
            margin: 2rem 0 0;
            border: 1px solid #e2e8f0;
        }
        friend-link::before {
            content: "🔗 Friend Links";
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            color: #2563eb;
            font-weight: 500;
        }
        friend-link a:hover { color: #1d4ed8; }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 2rem;
            margin-top: 3rem;
            border-top: 4px solid #fbbf24;
        }
        .site-footer .footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; }
        .site-footer .copyright { font-size: 0.9rem; text-align: center; width: 100%; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid #1e293b; }
        .schema-hidden { display: none; }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.2s;
                padding: 0;
            }
            .main-nav.open { max-height: 600px; padding: 0.8rem 0 0.4rem; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav ul li a { padding: 0.6rem 1rem; border-radius: 6px; }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .two-col { grid-template-columns: 1fr; gap: 1.5rem; }
            .header-inner { padding: 0.5rem 0; }
            .my-logo { font-size: 1.4rem; }
            .card { padding: 1.2rem; }
            .form-card { padding: 1.2rem; }
            .site-footer .footer-inner { flex-direction: column; text-align: center; }
        }
        @media (max-width: 480px) {
            body { font-size: 15px; }
            .container { padding: 0 14px; }
            h1 { font-size: 1.6rem; }
            .hero { padding: 2rem 0; }
        }
        .tag { display: inline-block; background: #e2e8f0; padding: 0.2rem 0.8rem; border-radius: 50px; font-size: 0.8rem; color: #475569; margin: 0.2rem 0.2rem; }
        .highlight-box { background: #fef9e7; border-left: 5px solid #f59e0b; padding: 1.2rem 1.5rem; border-radius: 0 12px 12px 0; margin: 1.5rem 0; }
        .highlight-box strong { color: #b45309; }
        .update-badge { display: inline-flex; align-items: center; gap: 6px; background: #1e293b; color: #fbbf24; padding: 0.3rem 1rem; border-radius: 50px; font-size: 0.85rem; font-weight: 600; }
        .update-badge i { font-size: 0.8rem; }
        .faq-item { margin-bottom: 1rem; }
        .faq-item h4 { cursor: pointer; color: #2563eb; }
        .faq-item h4 i { margin-right: 6px; }