*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #b71c1c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: #1a1a2e;
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f1c40f;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(241, 196, 15, 0.3);
        }
        .my-logo:hover {
            color: #ffd700;
            text-decoration: none;
        }
        .my-logo span {
            color: #e63946;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            gap: 1.75rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #f0f0f0;
            font-weight: 500;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .nav-menu li a:hover {
            border-bottom-color: #f1c40f;
            color: #f1c40f;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            background: #ffffff;
            padding: 0.7rem 0;
            border-bottom: 1px solid #e0e0e0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.4rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #999;
        }
        .breadcrumb a {
            color: #e63946;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 600;
        }
        main {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-bottom: 1rem;
            line-height: 1.2;
            border-left: 6px solid #e63946;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-top: 2.8rem;
            margin-bottom: 0.9rem;
            border-bottom: 3px solid #f1c40f;
            padding-bottom: 0.35rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #2d2d44;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #3d3d5c;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2c2c3e;
        }
        .lead {
            font-size: 1.2rem;
            color: #444;
            font-weight: 400;
            margin-bottom: 1.8rem;
        }
        strong {
            color: #1a1a2e;
        }
        .highlight-box {
            background: #fff8e1;
            border-left: 5px solid #f1c40f;
            padding: 1.2rem 1.6rem;
            border-radius: 0 8px 8px 0;
            margin: 1.6rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #1a1a2e;
            color: #ddd;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            text-align: center;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 6rem;
            align-self: start;
            max-height: calc(100vh - 8rem);
            overflow-y: auto;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            color: #1a1a2e;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 0.4rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar ul li a {
            color: #2d2d44;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #e63946;
            text-decoration: none;
        }
        .search-box {
            background: #ffffff;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaeaea;
        }
        .search-box form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .search-box input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: 0.2s;
            background: #fafafa;
        }
        .search-box input[type="text"]:focus {
            border-color: #e63946;
            outline: none;
            background: #fff;
        }
        .search-box button {
            padding: 0.7rem 1.6rem;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 1rem;
        }
        .search-box button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .interaction-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.8rem 0 1.5rem;
        }
        @media(max-width:680px) {
            .interaction-area {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .rating-box {
            background: #ffffff;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaeaea;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 0.4rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            min-height: 100px;
            resize: vertical;
            font-family: inherit;
            background: #fafafa;
            transition: 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #e63946;
            outline: none;
            background: #fff;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.6rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin: 0.5rem 0;
            background: #fafafa;
        }
        .comment-box input[type="text"]:focus {
            border-color: #e63946;
            outline: none;
            background: #fff;
        }
        .comment-box button,
        .rating-box button {
            padding: 0.6rem 1.6rem;
            background: #e63946;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            font-size: 1rem;
            margin-top: 0.5rem;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #b71c1c;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            cursor: pointer;
            margin: 0.6rem 0;
            color: #ccc;
            transition: 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f1c40f;
        }
        .star-rating i {
            transition: 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        .styled-table thead {
            background: #1a1a2e;
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eaeaea;
        }
        .styled-table tbody tr:nth-child(even) {
            background: #f8f9fc;
        }
        .styled-table tbody tr:hover {
            background: #fff3e0;
        }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
            border-top: 4px solid #f1c40f;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-grid h4 {
            color: #f1c40f;
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 1px solid #333;
            padding-bottom: 0.4rem;
        }
        .footer-grid a {
            color: #bbb;
        }
        .footer-grid a:hover {
            color: #f1c40f;
            text-decoration: none;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            padding: 0.25rem 0;
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid #333;
            margin-top: 1rem;
            font-style: normal;
        }
        friend-link a {
            color: #f1c40f;
            font-weight: 500;
            margin-right: 1.2rem;
        }
        friend-link a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #333;
            font-size: 0.85rem;
            color: #888;
        }
        .copyright strong {
            color: #ccc;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.5rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #333;
                margin-top: 0.75rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 0.5rem 0;
                display: block;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
                max-height: none;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.9rem;
            }
            .search-box form {
                flex-direction: column;
            }
            .interaction-area {
                grid-template-columns: 1fr;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #e63946;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
            cursor: pointer;
            transition: 0.25s;
            border: none;
            z-index: 999;
            opacity: 0;
            pointer-events: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: #b71c1c;
            transform: translateY(-3px);
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 1.2rem;
        }
        .last-updated i {
            margin-right: 0.3rem;
            color: #e63946;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .tag {
            display: inline-block;
            background: #e63946;
            color: #fff;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 0.3rem;
        }