*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f0f4f8;
            color: #1a1a2e;
            line-height: 1.75;
        }
        a {
            color: #1565c0;
            text-decoration: none;
            transition: color .3s;
        }
        a:hover {
            color: #ff6f00;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a, #1a1a5e);
            padding: 12px 0;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.45rem;
            font-weight: 800;
            color: #fff;
            padding: 8px 16px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .1);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform .3s, box-shadow .3s;
        }
        .my-logo:hover {
            transform: scale(1.04);
            box-shadow: 0 4px 25px rgba(255, 111, 0, .3);
            color: #ffd54f;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 14px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e0e0;
            font-size: .92rem;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 500;
            letter-spacing: .3px;
            transition: background .3s, color .3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #ff6f00;
            color: #fff;
        }
        .nav-search {
            display: flex;
            align-items: center;
            margin-left: 10px;
            background: rgba(255, 255, 255, .15);
            border-radius: 30px;
            padding: 4px 4px 4px 16px;
        }
        .nav-search input {
            background: none;
            border: none;
            color: #fff;
            outline: none;
            width: 150px;
            font-size: .88rem;
            padding: 6px 0;
        }
        .nav-search input::placeholder {
            color: #cfd8dc;
        }
        .nav-search button {
            background: #ff6f00;
            border: none;
            border-radius: 50%;
            width: 32px;
            height: 32px;
            color: #fff;
            cursor: pointer;
            font-size: .8rem;
            transition: background .3s;
        }
        .nav-search button:hover {
            background: #e65100;
        }
        .breadcrumb {
            background: #eceff1;
            padding: 8px 0;
            font-size: .85rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ' ▸';
            color: #999;
            margin-left: 6px;
        }
        .breadcrumb a {
            color: #1565c0;
        }
        .breadcrumb li[aria-current] {
            color: #555;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0d1b2a, #1a1a5e, #2d2d7a);
            padding: 56px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 111, 0, .25), transparent 70%);
            border-radius: 50%;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: 2px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, .5);
            margin-bottom: 12px;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 700px;
            margin: 0 auto;
            color: #cfd8dc;
        }
        .hero .hero-badge {
            display: inline-block;
            background: #ff6f00;
            color: #fff;
            padding: 6px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: .85rem;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .main-content {
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 280px 1fr 300px;
            gap: 24px;
            align-items: start;
        }
        .sidebar {
            position: sticky;
            top: 80px;
        }
        .sidebar-widget {
            background: #fff;
            border-radius: 14px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            border-left: 4px solid #ff6f00;
            padding-left: 12px;
            color: #1a1a2e;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li {
            margin-bottom: 8px;
        }
        .sidebar-widget a {
            font-size: .9rem;
            line-height: 1.4;
        }
        .article-body {
            background: #fff;
            border-radius: 18px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .05);
            min-width: 0;
        }
        .article-body h2 {
            font-size: 1.85rem;
            color: #1a1a2e;
            margin: 40px 0 18px;
            border-bottom: 3px solid #ff6f00;
            padding-bottom: 12px;
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.35rem;
            margin: 28px 0 12px;
            color: #2d2d7a;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.08rem;
            margin: 20px 0 10px;
            color: #444;
            font-weight: 600;
            font-style: italic;
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
            font-size: 1.02rem;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: #fff8e1;
            border-left: 4px solid #ff6f00;
            border-radius: 10px;
            padding: 18px 22px;
            margin: 24px 0;
            box-shadow: 0 2px 8px rgba(255, 111, 0, .1);
        }
        .tip-box {
            background: #e8f5e9;
            border-left: 4px solid #2e7d32;
            border-radius: 10px;
            padding: 16px 20px;
            margin: 20px 0;
        }
        .stats-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: .95rem;
        }
        .stats-table th,
        .stats-table td {
            border: 1px solid #e0e0e0;
            padding: 10px 14px;
            text-align: left;
        }
        .stats-table th {
            background: #f5f5f5;
            font-weight: 700;
            color: #1a1a2e;
        }
        .stats-table tr:hover {
            background: #fafafa;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            background: #f5f7fa;
            padding: 10px 16px;
            font-size: .85rem;
            color: #777;
            font-style: italic;
        }
        .info-meta {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            font-size: .85rem;
            color: #777;
            margin-bottom: 24px;
            border-top: 1px solid #eee;
            padding-top: 14px;
        }
        .info-meta span i {
            margin-right: 4px;
        }
        .cta-section {
            background: linear-gradient(135deg, #0d1b2a, #1a1a5e);
            border-radius: 16px;
            padding: 30px;
            color: #fff;
            margin: 36px 0;
            text-align: center;
        }
        .cta-section h3 {
            color: #fff;
            margin: 0 0 10px;
        }
        .cta-btn {
            display: inline-block;
            background: #ff6f00;
            color: #fff !important;
            padding: 12px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            margin-top: 14px;
            transition: transform .3s, background .3s;
        }
        .cta-btn:hover {
            transform: scale(1.05);
            background: #e65100;
        }
        .interaction-section {
            background: #fafbfc;
            border-radius: 18px;
            padding: 30px;
            margin-top: 40px;
            border: 1px solid #e8e8e8;
        }
        .interaction-section h2 {
            font-size: 1.6rem;
            margin-bottom: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #ffb300;
            margin-bottom: 20px;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform .2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .comment-form label {
            font-weight: 600;
            margin-top: 12px;
            display: block;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border-radius: 10px;
            border: 1px solid #ccc;
            margin: 6px 0 16px;
            font-family: inherit;
            font-size: .95rem;
            transition: border .3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: #1565c0;
            box-shadow: 0 0 0 3px rgba(21, 101, 192, .1);
        }
        .btn-submit {
            background: #1565c0;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: background .3s, transform .2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #0d47a1;
            transform: scale(1.03);
        }
        .user-review {
            border-bottom: 1px solid #e8e8e8;
            padding: 18px 0;
            display: flex;
            gap: 16px;
        }
        .user-review .avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #888;
            flex-shrink: 0;
        }
        .user-review .review-content h4 {
            margin: 0 0 4px;
            font-size: 1rem;
        }
        .user-review .review-content .stars {
            color: #ffb300;
            font-size: .85rem;
        }
        .user-review .review-content p {
            font-size: .92rem;
            color: #555;
        }
        .site-footer {
            background: #0d1b2a;
            color: #b0bec5;
            padding: 48px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            padding-bottom: 24px;
        }
        .footer-grid h4 {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .footer-grid a {
            color: #b0bec5;
            display: block;
            margin-bottom: 8px;
            font-size: .9rem;
        }
        .footer-grid a:hover {
            color: #ff6f00;
        }
        .friend-link {
            background: #111f30;
            border-top: 1px solid #1e3040;
            padding: 20px 0;
            text-align: center;
            font-size: .9rem;
        }
        .friend-link a {
            color: #90a4ae;
            margin: 0 8px;
        }
        .friend-link a:hover {
            color: #ff6f00;
        }
        .copyright {
            background: #09131f;
            padding: 18px 0;
            text-align: center;
            font-size: .85rem;
            color: #78909c;
        }
        .copyright a {
            color: #ffb74d;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: none;
            }
            .article-body {
                padding: 24px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 0;
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .nav-search {
                width: 100%;
                margin: 10px 0 0;
                padding: 0;
                background: rgba(255, 255, 255, .1);
                border-radius: 8px;
            }
            .nav-search input {
                width: calc(100% - 50px);
                padding: 10px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-body {
                padding: 16px;
                border-radius: 12px;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 32px 0;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: .9rem;
            }
            .info-meta {
                flex-direction: column;
                gap: 8px;
            }
        }