*,
        *::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: #f4f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #e63946;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b71c1c;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-bottom: 0.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #16213e;
            margin: 2.2rem 0 0.8rem 0;
            border-left: 6px solid #e63946;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #0f3460;
            margin: 1.6rem 0 0.5rem 0;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1a1a2e;
            margin: 1rem 0 0.4rem 0;
        }
        p {
            margin-bottom: 1rem;
        }
        .text-muted {
            color: #555;
            font-size: 0.92rem;
        }
        .badge {
            display: inline-block;
            background: #e63946;
            color: #fff;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
            color: #fff;
            padding: 0.5rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
            padding: 0.4rem 0;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            color: #ffb703;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: #ffb703;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #8ecae6;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e0e0e0;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffb703;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #e63946;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.4rem;
            color: #888;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb .current {
            color: #555;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2rem 0 3rem;
        }
        @media (max-width: 920px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .article-body h1 {
            margin-top: 0.2rem;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1.8rem;
            border-bottom: 1px solid #eef2f7;
            padding-bottom: 0.8rem;
        }
        .meta-line i {
            margin-right: 0.3rem;
            color: #e63946;
        }
        .featured-img {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #eef2f7;
        }
        .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 0.6rem 1rem;
            background: #f8f9fc;
            font-size: 0.85rem;
            color: #555;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .side-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.4rem 1.4rem;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
        }
        .side-card h3 {
            margin-top: 0;
            font-size: 1.15rem;
            border-bottom: 2px solid #eef2f7;
            padding-bottom: 0.6rem;
            margin-bottom: 1rem;
        }
        .side-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f2f6;
        }
        .side-card ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.92rem;
        }
        .side-card ul li a i {
            color: #e63946;
            font-size: 0.7rem;
        }
        .search-form {
            display: flex;
            border: 2px solid #e0e5ec;
            border-radius: 50px;
            overflow: hidden;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form:focus-within {
            border-color: #e63946;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
        }
        .search-form button {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #b71c1c;
        }
        .comment-box,
        .rating-box {
            background: #fff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
            margin-top: 2.2rem;
        }
        .comment-box h3,
        .rating-box h3 {
            margin-top: 0;
        }
        .comment-form textarea,
        .comment-form input,
        .rating-form select,
        .rating-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e0e5ec;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: border 0.2s;
            margin-bottom: 0.8rem;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .rating-form select:focus {
            border-color: #e63946;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #e63946;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #b71c1c;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.25);
        }
        .btn-secondary {
            background: #0f3460;
        }
        .btn-secondary:hover {
            background: #16213e;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ffb703;
            cursor: pointer;
            margin-bottom: 0.8rem;
        }
        .star-rating i {
            transition: transform 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .site-footer {
            background: #0f3460;
            color: #ddd;
            padding: 2.5rem 0 1.2rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #ffb703;
            margin-bottom: 0.8rem;
            font-size: 1.05rem;
        }
        .site-footer a {
            color: #b0c4de;
        }
        .site-footer a:hover {
            color: #ffb703;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            padding: 0.2rem 0;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 1.2rem 1.4rem;
            border-radius: 12px;
            margin: 1.2rem 0;
            font-size: 0.92rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 30px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #9aabbe;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #16213e;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.6rem;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
            }
            .meta-line {
                gap: 0.6rem;
                font-size: 0.82rem;
            }
            .comment-box,
            .rating-box {
                padding: 1.2rem 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .main-grid {
                padding: 1rem 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .search-form input {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
            .search-form button {
                padding: 0.5rem 1rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .highlight-box {
            background: #fef8e7;
            border-left: 5px solid #ffb703;
            padding: 1.2rem 1.6rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .highlight-box strong {
            color: #b71c1c;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        table th {
            background: #0f3460;
            color: #fff;
            padding: 0.6rem 0.8rem;
            text-align: left;
        }
        table td {
            padding: 0.5rem 0.8rem;
            border-bottom: 1px solid #eef2f7;
        }
        table tr:nth-child(even) {
            background: #f8f9fc;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 0.8rem 0;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #0f3460;
        }
        .fa-solid,
        .fa-regular {
            pointer-events: none;
        }