* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; background: #f0f4f8; color: #1a2a3a; line-height: 1.7; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        header { background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 60%, #415a77 100%); color: #fff; padding: 15px 0; box-shadow: 0 4px 20px rgba(0,0,0,.3); position: sticky; top: 0; z-index: 999; }
        .my-logo { font-size: 2rem; font-weight: 800; text-decoration: none; color: #ffd166; letter-spacing: 2px; text-shadow: 0 2px 10px rgba(255,209,102,.4); transition: transform .3s; display: inline-block; }
        .my-logo:hover { transform: scale(1.05); }
        .my-logo i { color: #ef476f; margin-right: 4px; }
        .header-flex { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
        .nav-links { display: flex; gap: 18px; list-style: none; flex-wrap: wrap; }
        .nav-links a { color: #e0e1dd; text-decoration: none; font-size: .9rem; padding: 6px 14px; border-radius: 20px; transition: all .3s; }
        .nav-links a:hover { background: rgba(255,255,255,.15); color: #ffd166; }
        .hamburger { display: none; background: none; border: 2px solid #ffd166; color: #ffd166; padding: 8px 14px; border-radius: 8px; font-size: 1.2rem; cursor: pointer; }
        .breadcrumb { background: #e5e9f0; padding: 10px 0; font-size: .85rem; border-bottom: 1px solid #d0d7de; }
        .breadcrumb a { color: #415a77; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: #6c757d; }
        .search-bar { display: flex; max-width: 300px; margin: 10px 0; }
        .search-bar input { flex: 1; padding: 8px 14px; border: 2px solid #ced4da; border-radius: 20px 0 0 20px; outline: none; font-size: .9rem; }
        .search-bar button { padding: 8px 16px; background: #ef476f; color: #fff; border: none; border-radius: 0 20px 20px 0; cursor: pointer; transition: background .3s; }
        .search-bar button:hover { background: #d63e5f; }
        .hero { background: linear-gradient(120deg, #1b263b, #415a77); color: #fff; padding: 40px 0; margin-bottom: 30px; }
        .hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; line-height: 1.2; }
        .hero p { font-size: 1.05rem; max-width: 700px; opacity: .9; }
        .hero .badge { display: inline-block; background: #ef476f; padding: 4px 14px; border-radius: 20px; font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
        .content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 30px; }
        @media (max-width: 900px) { .content-grid { grid-template-columns: 1fr; } }
        article { background: #fff; border-radius: 16px; padding: 35px; box-shadow: 0 2px 15px rgba(0,0,0,.05); }
        article h2 { font-size: 1.7rem; color: #1b263b; margin: 30px 0 15px; padding-bottom: 10px; border-bottom: 3px solid #ffd166; }
        article h3 { font-size: 1.25rem; color: #415a77; margin: 22px 0 10px; }
        article h4 { font-size: 1rem; color: #ef476f; margin: 16px 0 8px; }
        article p { margin-bottom: 14px; }
        article ul, article ol { margin: 10px 0 16px 20px; }
        article li { margin-bottom: 6px; }
        .img-block { margin: 20px 0; text-align: center; }
        .img-block img { max-width: 100%; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
        .img-block figcaption { font-size: .8rem; color: #6c757d; margin-top: 6px; }
        .table-wrap { overflow-x: auto; margin: 16px 0; }
        table { width: 100%; border-collapse: collapse; font-size: .9rem; }
        th, td { padding: 10px 12px; border: 1px solid #dee2e6; text-align: left; }
        th { background: #1b263b; color: #fff; }
        tr:nth-child(even) { background: #f8f9fa; }
        .tip-box { background: #fff4d6; border-left: 5px solid #ffd166; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; }
        .info-box { background: #e7f3ff; border-left: 5px solid #415a77; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; }
        .warning-box { background: #fde2e2; border-left: 5px solid #ef476f; padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 18px 0; }
        .sidebar { position: sticky; top: 100px; align-self: start; }
        .widget { background: #fff; border-radius: 16px; padding: 22px; margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,.04); }
        .widget h3 { font-size: 1rem; color: #1b263b; border-bottom: 2px solid #ffd166; padding-bottom: 8px; margin-bottom: 12px; }
        .widget ul { list-style: none; }
        .widget li { margin-bottom: 8px; }
        .widget a { color: #415a77; text-decoration: none; font-size: .85rem; transition: all .2s; }
        .widget a:hover { color: #ef476f; padding-left: 5px; }
        .rating-section, .comment-section { margin: 30px 0; padding: 20px; background: #f8f9fa; border-radius: 12px; }
        .stars { display: flex; gap: 8px; font-size: 1.6rem; color: #ffc107; cursor: pointer; }
        .stars i { transition: transform .2s; }
        .stars i:hover { transform: scale(1.2); }
        .btn-primary { background: #ef476f; color: #fff; border: none; padding: 10px 22px; border-radius: 20px; cursor: pointer; font-size: .9rem; transition: all .3s; }
        .btn-primary:hover { background: #d63e5f; transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,.2); }
        .input-group { margin-bottom: 12px; }
        .input-group label { display: block; font-weight: 600; font-size: .8rem; margin-bottom: 4px; color: #415a77; }
        .input-group input, .input-group textarea { width: 100%; padding: 10px; border: 2px solid #ced4da; border-radius: 8px; font-size: .9rem; outline: none; transition: border .3s; }
        .input-group input:focus, .input-group textarea:focus { border-color: #415a77; }
        .faq-item { border-bottom: 1px solid #e5e9f0; padding: 14px 0; }
        .faq-item details { cursor: pointer; }
        .faq-item summary { font-weight: 600; color: #1b263b; font-size: .95rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary::after { content: '+'; font-size: 1.4rem; color: #ef476f; transition: transform .3s; }
        .faq-item details[open] summary::after { transform: rotate(45deg); }
        .faq-item p { margin-top: 10px; padding-left: 15px; border-left: 3px solid #ffd166; }
        footer { background: #0d1b2a; color: #a0aab5; padding: 40px 0 20px; margin-top: 50px; }
        footer .container { display: flex; flex-direction: column; gap: 20px; }
        .footer-flex { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
        .copy { text-align: center; padding-top: 20px; border-top: 1px solid #1b263b; font-size: .8rem; }
        friend-link { display: flex; flex-wrap: wrap; gap: 15px; background: #1b263b; padding: 15px 20px; border-radius: 12px; font-size: .85rem; }
        friend-link a { color: #ffd166; text-decoration: none; }
        friend-link a:hover { color: #fff; }
        @media (max-width: 768px) {
            .hamburger { display: inline-block; }
            .nav-menu { display: none; width: 100%; flex-direction: column; margin-top: 10px; }
            .nav-menu.open { display: flex; }
            .header-flex { flex-direction: row; flex-wrap: wrap; }
            .hero h1 { font-size: 1.6rem; }
            article { padding: 20px; }
            .sidebar { position: static; }
        }
        @media (min-width:769px) { .nav-menu { display: flex !important; } }