*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1e2a3a;
            background: #f4f7fb;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b45309;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #78350f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1e2a3a;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #2d3b4e;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #e2a23b;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #374151;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #4b5563;
            margin-top: 1.2rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3748;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1e2a3a 0%, #2d3b4e 100%);
            color: #fff;
            padding: 0.8rem 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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            color: #f5c842;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.2rem 1rem;
            border-radius: 8px;
            display: inline-block;
            border: 2px solid rgba(245, 200, 66, 0.3);
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #f5c842;
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo i {
            color: #f5c842;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #f5c842;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #eaeef3;
            padding: 0.5rem 0.9rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(245, 200, 66, 0.18);
            color: #f5c842;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e8edf4;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.3rem 0.6rem;
            padding: 0;
        }
        .breadcrumb-list li+li::before {
            content: "▸";
            margin-right: 0.5rem;
            color: #8a9bb5;
        }
        .breadcrumb-list a {
            color: #b45309;
        }
        .breadcrumb-list a:hover {
            text-decoration: underline;
        }
        .breadcrumb-list .active {
            color: #4b5563;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #f0f4fa 0%, #e2e9f2 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-image {
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            transition: transform 0.3s ease;
        }
        .hero-image:hover {
            transform: scale(1.01);
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.8rem;
        }
        .hero p {
            font-size: 1.1rem;
            color: #374151;
        }
        .hero-cta {
            display: inline-block;
            margin-top: 1rem;
            background: #b45309;
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .hero-cta:hover {
            background: #78350f;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(180, 83, 9, 0.35);
            text-decoration: none;
            color: #fff;
        }
        .hero-cta i {
            margin-right: 8px;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background: #fff;
            padding: 1.5rem 1.5rem;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #e2a23b;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #edf2f7;
        }
        .sidebar ul li a {
            color: #1e2a3a;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #b45309;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.2rem;
            margin: 1.5rem 0;
        }
        .feature-card {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.2rem 1.2rem;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
            border-color: #e2a23b;
        }
        .feature-card i {
            font-size: 2.2rem;
            color: #b45309;
            margin-bottom: 0.6rem;
        }
        .feature-card h4 {
            font-size: 1.05rem;
            margin: 0.4rem 0;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: #4b5563;
            margin-bottom: 0;
        }
        .search-section {
            background: #e8edf4;
            padding: 1.5rem 0;
            margin: 1.5rem 0;
            border-radius: 12px;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d1d9e6;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
        }
        .search-form input[type="text"]:focus {
            border-color: #b45309;
        }
        .search-form button {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-form button:hover {
            background: #78350f;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2rem 0 1.5rem;
        }
        .comment-box,
        .rating-box {
            background: #f8fafc;
            border-radius: 14px;
            padding: 1.5rem 1.5rem;
            border: 1px solid #e2e8f0;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #e2a23b;
            padding-bottom: 0.4rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            font-family: inherit;
            transition: border 0.3s ease;
        }
        .comment-box textarea:focus {
            border-color: #b45309;
            outline: none;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 0.9rem;
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            margin: 0.5rem 0;
            transition: border 0.3s ease;
        }
        .comment-box input[type="text"]:focus {
            border-color: #b45309;
            outline: none;
        }
        .btn-submit {
            background: #b45309;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            margin-top: 0.5rem;
        }
        .btn-submit:hover {
            background: #78350f;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        .site-footer {
            background: #1e2a3a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.2rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f5c842;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b8c9e0;
        }
        .site-footer a:hover {
            color: #f5c842;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem 1.2rem;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            margin-top: 1.8rem;
            font-size: 0.88rem;
            color: #8a9bb5;
        }
        .update-badge {
            display: inline-block;
            background: #e2a23b;
            color: #1e2a3a;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        @media (max-width: 992px) {
            .hero-content {
                grid-template-columns: 1fr;
            }
            .hero-image {
                order: -1;
                max-height: 320px;
                object-fit: cover;
                border-radius: 12px;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 1.5rem;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(30, 42, 58, 0.98);
                padding: 0.8rem 0.5rem;
                border-radius: 10px;
                margin-top: 0.5rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 1.2rem;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .search-form input[type="text"] {
                min-width: 100%;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 0.1rem 0.7rem;
            }
        }