:root {
            --red: #d32f2f;
            --yellow: #f2a900;
            --dark: #1a1a2e;
            --light: #f5f5f5;
            --accent: #2196f3;
            --green: #388e3c;
            --white: #fff;
            --text: #333;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: var(--light);
            color: var(--text);
            line-height: 1.7;
        }
        a {
            color: var(--accent);
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(135deg, var(--red), #ff5b5b);
            color: var(--white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .2);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 32px;
            font-weight: 900;
            color: var(--white);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, .3);
            letter-spacing: -1px;
        }
        .my-logo span {
            color: var(--yellow);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 28px;
            cursor: pointer;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu li a {
            color: var(--white);
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            transition: background .3s;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            background: rgba(255, 255, 255, .25);
            text-decoration: none;
        }
        .breadcrumb {
            background: rgba(0, 0, 0, .15);
            padding: 6px 0;
            font-size: 14px;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb i {
            font-size: 12px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .9);
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
            color: var(--white);
            padding: 50px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 25px;
            opacity: .9;
        }
        .search-box {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
            background: var(--white);
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, .3);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--yellow);
            border: none;
            padding: 14px 24px;
            cursor: pointer;
            color: var(--dark);
            font-size: 1.1rem;
            transition: background .3s;
        }
        .search-box button:hover {
            background: #ffd700;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 30px;
        }
        .article-body {
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .06);
            padding: 30px;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 40px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--yellow);
        }
        .article-body h3 {
            font-size: 1.4rem;
            color: var(--red);
            margin: 30px 0 10px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin: 20px 0 8px;
        }
        .article-body p {
            margin-bottom: 15px;
        }
        .article-body ul,
        .article-body ol {
            margin: 10px 0 20px 30px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .info-box {
            background: #e8f4fd;
            border-left: 4px solid var(--accent);
            padding: 15px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .strategy-card {
            background: #fff8f0;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
            border: 1px solid #f0e0cc;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .95rem;
        }
        table th,
        table td {
            border: 1px solid #ddd;
            padding: 10px 12px;
            text-align: center;
        }
        table th {
            background: var(--dark);
            color: var(--white);
        }
        table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .img-box {
            margin: 25px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
        }
        .img-box img {
            width: 100%;
            height: auto;
            display: block;
        }
        .faq-item {
            margin: 15px 0;
            border: 1px solid #eee;
            border-radius: 8px;
            padding: 15px 20px;
        }
        .faq-item summary {
            font-weight: 700;
            cursor: pointer;
            color: var(--dark);
            font-size: 1.05rem;
        }
        .faq-item p {
            margin-top: 10px;
            margin-bottom: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
            padding: 20px;
        }
        .widget h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--dark);
            border-bottom: 2px solid var(--yellow);
            padding-bottom: 8px;
        }
        .widget ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .widget ul li {
            margin-bottom: 8px;
        }
        .widget ul li a {
            color: var(--text);
            font-weight: 500;
        }
        .widget ul li a:hover {
            color: var(--accent);
        }
        .rating-box {
            text-align: center;
        }
        .stars {
            font-size: 30px;
            color: #bbb;
            cursor: pointer;
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 10px 0;
        }
        .stars .active {
            color: var(--yellow);
        }
        .comment-form textarea,
        .comment-form input,
        .score-form select,
        .score-form input {
            width: 100%;
            padding: 10px;
            margin: 8px 0;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            font-size: .95rem;
        }
        .comment-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: var(--red);
            color: var(--white);
            padding: 10px 25px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-weight: 600;
            transition: background .3s;
            display: inline-block;
        }
        .btn:hover {
            background: #b71c1c;
            text-decoration: none;
        }
        .btn-yellow {
            background: var(--yellow);
            color: var(--dark);
        }
        .btn-yellow:hover {
            background: #ffd700;
        }
        .last-updated {
            font-size: .85rem;
            color: #888;
            text-align: center;
            margin: 25px 0 0;
            font-style: italic;
        }
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .8);
            padding: 40px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-grid h4 {
            color: var(--white);
            margin-bottom: 15px;
        }
        .footer-grid ul {
            list-style: none;
        }
        .footer-grid ul li {
            margin-bottom: 6px;
        }
        .footer-grid ul li a {
            color: rgba(255, 255, 255, .7);
        }
        .footer-grid ul li a:hover {
            color: var(--yellow);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 15px;
            text-align: center;
            font-size: .85rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, .05);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 15px;
            font-size: .95rem;
        }
        friend-link a {
            color: var(--yellow);
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(0, 0, 0, .2);
                padding: 15px 0;
                border-radius: 0 0 12px 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
        }