*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #0f1218;
            color: #e8edf2;
            line-height: 1.75;
            padding: 0 1rem;
            max-width: 1280px;
            margin: 0 auto;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #6db3f2;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #a8d4ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #f0f4f8;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 3px solid #3b6ea0;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #3b6ea0;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            color: #d6e4f0;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            color: #b8ccde;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        ul,
        ol {
            margin: 0.5rem 0 1.25rem 1.5rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        strong {
            color: #f5c542;
            font-weight: 700;
        }
        em {
            color: #b8d4f0;
            font-style: italic;
        }
        .container {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            padding: 1.2rem 0 0.6rem;
            border-bottom: 1px solid #2a3340;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f5c542, #d4942b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 20px rgba(245, 197, 66, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f5c542;
            margin-right: 6px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c5d3e0;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: #1e2a38;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e8edf2;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1e2a38;
        }
        .breadcrumb {
            font-size: 0.85rem;
            color: #8a9aa8;
            padding: 0.6rem 0 0.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "/";
            margin-right: 0.6rem;
            color: #4d5f6f;
        }
        .breadcrumb a {
            color: #8ab4d6;
        }
        .breadcrumb a:hover {
            color: #b8d8f0;
        }
        .breadcrumb .active {
            color: #c5d3e0;
            font-weight: 500;
        }
        .search-section {
            background: #161e28;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 1.5rem 0 1rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            border: 1px solid #253040;
        }
        .search-section form {
            display: flex;
            flex: 1 1 300px;
            gap: 0.5rem;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border-radius: 30px;
            border: 1px solid #2f4050;
            background: #0d131c;
            color: #e8edf2;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #6db3f2;
            box-shadow: 0 0 0 3px rgba(109, 179, 242, 0.2);
        }
        .search-section button {
            padding: 0.7rem 1.5rem;
            border-radius: 30px;
            border: none;
            background: #3b6ea0;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-section button:hover {
            background: #4d82b5;
            transform: scale(1.02);
        }
        .content {
            flex: 1;
            padding: 0.5rem 0 2rem;
        }
        .content article {
            max-width: 100%;
        }
        .featured-image {
            margin: 1.5rem 0 1.8rem;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            background: #1a2330;
            padding: 0.5rem;
        }
        .featured-image img {
            border-radius: 10px;
            width: 100%;
            object-fit: cover;
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #8a9aa8;
            padding: 0.5rem 0.5rem 0.2rem;
            text-align: center;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #253040;
            background: #101a24;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #1e2e3c;
        }
        th {
            background: #1a2a38;
            color: #f0f4f8;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #14202c;
        }
        .interaction-area {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding: 1.5rem 2rem;
            background: #161e28;
            border-radius: 16px;
            border: 1px solid #253040;
        }
        .comment-box,
        .rating-box {
            flex: 1 1 260px;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            border: 1px solid #2f4050;
            background: #0d131c;
            color: #e8edf2;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box textarea:focus {
            border-color: #6db3f2;
        }
        .comment-box button,
        .rating-box button {
            margin-top: 0.6rem;
            padding: 0.5rem 1.5rem;
            border-radius: 30px;
            border: none;
            background: #3b6ea0;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-box button:hover,
        .rating-box button:hover {
            background: #4d82b5;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #4d5f6f;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f5c542;
            transform: scale(1.05);
        }
        .star-rating i.active {
            color: #f5c542;
        }
        friend-link {
            display: block;
            padding: 1.2rem 1.5rem;
            background: #161e28;
            border-radius: 14px;
            border: 1px solid #253040;
            margin: 1.5rem 0 1rem;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            padding: 0.2rem 0.8rem 0.2rem 0;
            border-right: 1px solid #2f4050;
            color: #8ab4d6;
        }
        friend-link a:last-child {
            border-right: none;
        }
        friend-link a:hover {
            color: #b8d8f0;
        }
        .site-footer {
            padding: 1.5rem 0 2rem;
            border-top: 1px solid #2a3340;
            text-align: center;
            font-size: 0.85rem;
            color: #6a7a88;
            margin-top: 1.5rem;
        }
        .site-footer .copyright {
            margin-top: 0.5rem;
            letter-spacing: 0.3px;
        }
        .site-footer a {
            color: #8ab4d6;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.75rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #161e28;
                border-radius: 12px;
                padding: 0.5rem 0;
                border: 1px solid #253040;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 0;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .search-section {
                padding: 1rem 1.2rem;
                flex-direction: column;
            }
            .search-section form {
                flex: 1 1 100%;
            }
            .interaction-area {
                padding: 1rem 1.2rem;
                flex-direction: column;
            }
            .featured-image {
                margin: 1rem 0 1.2rem;
            }
            friend-link a {
                display: block;
                border-right: none;
                padding: 0.3rem 0;
                margin: 0.2rem 0;
            }
            .table-wrap {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 0.4rem 0.6rem;
            }
        }
        @media (min-width: 769px) {
            .hamburger {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
        }
        .text-accent {
            color: #f5c542;
        }
        .text-muted {
            color: #8a9aa8;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #7a8a98;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.8rem;
        }
        .last-updated i {
            color: #6db3f2;
        }
        .highlight-box {
            background: #1a2533;
            border-left: 4px solid #f5c542;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .btn-back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #3b6ea0;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 44px;
            height: 44px;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            transition: background 0.2s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 100;
        }
        .btn-back-top:hover {
            background: #4d82b5;
            transform: translateY(-3px);
        }
        @media (max-width: 600px) {
            .btn-back-top {
                bottom: 1rem;
                right: 1rem;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }