*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #e63946;
            --secondary: #f4a261;
            --dark: #264653;
            --light: #f1faee;
            --accent: #2a9d8f;
            --gray: #6c757d;
            --border: #dee2e6;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f8f9fa;
            color: #212529;
            line-height: 1.75;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark), #2a4a5a);
            color: #fff;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            text-decoration: none;
            letter-spacing: 2px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: .3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
            filter: brightness(1.2);
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-menu a {
            color: #e9ecef;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 20px;
            transition: .3s;
            font-size: .9rem;
        }
        .nav-menu a:hover {
            background: var(--primary);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 10px 0;
            font-size: .85rem;
        }
        .breadcrumb .container {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--gray);
        }
        .main-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 30px auto;
        }
        .content-area {
            background: #fff;
            border-radius: 16px;
            padding: 35px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-box {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
        }
        .side-box h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }
        .side-box ul {
            list-style: none;
        }
        .side-box li {
            margin-bottom: 8px;
        }
        .side-box a {
            color: var(--dark);
            text-decoration: none;
            font-size: .9rem;
            transition: .2s;
            display: block;
            padding: 5px 8px;
            border-radius: 6px;
        }
        .side-box a:hover {
            background: var(--light);
            color: var(--primary);
            transform: translateX(3px);
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
            position: relative;
            padding-bottom: 15px;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        h2 {
            font-size: 1.9rem;
            color: var(--dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.15rem;
            color: var(--primary);
            margin: 20px 0 10px;
            font-weight: 600;
        }
        p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .lead {
            font-size: 1.15rem;
            color: var(--gray);
            font-weight: 300;
            border-left: 4px solid var(--secondary);
            padding-left: 15px;
            margin-bottom: 25px;
        }
        ul,
        ol {
            margin-left: 20px;
            margin-bottom: 15px;
        }
        .highlight {
            background: var(--light);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .info-box {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .tip-box {
            background: #d1e7dd;
            border-left: 4px solid #198754;
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .9rem;
        }
        th,
        td {
            padding: 10px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }
        th {
            background: var(--dark);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f9fa;
        }
        .hero-img {
            width: 100%;
            border-radius: 12px;
            margin: 20px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .1);
        }
        figure {
            margin: 20px 0;
        }
        figcaption {
            font-size: .85rem;
            color: var(--gray);
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
            font-size: .9rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: .95rem;
            transition: .3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, .15);
        }
        .btn {
            display: inline-block;
            padding: 10px 24px;
            border: none;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: .95rem;
            cursor: pointer;
            transition: .3s;
            font-weight: 600;
        }
        .btn:hover {
            background: #c1121f;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(230, 57, 70, .4);
        }
        .btn-secondary {
            background: var(--accent);
        }
        .btn-secondary:hover {
            background: #1d7a6e;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .fa-star.active {
            color: #ffc107;
        }
        .comment-item {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 10px;
            border: 1px solid var(--border);
        }
        .comment-item .author {
            font-weight: 600;
            color: var(--dark);
        }
        .comment-item .date {
            font-size: .8rem;
            color: var(--gray);
        }
        .site-footer {
            background: var(--dark);
            color: #e9ecef;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-grid h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .footer-grid a {
            color: #adb5bd;
            text-decoration: none;
            font-size: .9rem;
            display: block;
            margin-bottom: 8px;
            transition: .3s;
        }
        .footer-grid a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            text-align: center;
            font-size: .85rem;
            color: #adb5bd;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, .05);
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            font-size: .9rem;
        }
        friend-link a {
            color: var(--secondary);
            margin-right: 15px;
        }
        @media(max-width:768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--dark);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
            }
            .nav-menu.open {
                display: flex;
            }
            .hamburger {
                display: block;
                font-size: 1.6rem;
            }
            .main-wrap {
                grid-template-columns: 1fr;
            }
            .content-area {
                padding: 20px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-img {
                height: auto;
            }
        }
        @media(min-width:769px) and (max-width:1024px) {
            .main-wrap {
                grid-template-columns: 1fr 250px;
            }
        }