*,
        *::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, sans-serif;
            background: #faf8f5;
            color: #1e2a3a;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #c75b2b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8e3d1a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e2a3a 0%, #2c3e50 100%);
            color: #fff;
            padding: 12px 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;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f7c948;
            letter-spacing: -0.5px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
            color: #f7c948;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #e8855a;
        }
        .my-logo span {
            font-size: 0.65rem;
            font-weight: 400;
            color: #aab8c5;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        nav ul {
            list-style: none;
            display: flex;
            gap: 6px 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav ul li a {
            color: #e8edf2;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav ul li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7c948;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f0ebe4;
            padding: 10px 0;
            font-size: 0.85rem;
            color: #5a6a7a;
            border-bottom: 1px solid #e2d9cf;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #b0a89a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #c75b2b;
        }
        .breadcrumb a:hover {
            color: #8e3d1a;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1e2a3a;
            line-height: 1.2;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        article h1 i {
            color: #c75b2b;
            margin-right: 10px;
        }
        .meta {
            color: #6a7a8a;
            font-size: 0.9rem;
            margin-bottom: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .meta i {
            margin-right: 4px;
            color: #c75b2b;
        }
        .last-updated {
            background: #f0ebe4;
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 500;
        }
        article h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #1e2a3a;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f7c948;
        }
        article h2 i {
            color: #c75b2b;
            margin-right: 10px;
        }
        article h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #2c3e50;
            margin: 28px 0 12px;
        }
        article h3 i {
            color: #e8855a;
            margin-right: 8px;
            font-size: 0.9em;
        }
        article h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #3a4a5a;
            margin: 20px 0 8px;
        }
        article p {
            margin-bottom: 16px;
            color: #2a3a4a;
        }
        article p b,
        article p strong {
            color: #1e2a3a;
            font-weight: 600;
        }
        .featured-img {
            margin: 28px 0;
            border-radius: 14px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            background: #f0ebe4;
        }
        .featured-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 12px 20px;
            font-size: 0.85rem;
            color: #5a6a7a;
            background: #f8f4ef;
            border-top: 1px solid #e2d9cf;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 24px 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin-bottom: 24px;
            border: 1px solid #eee7e0;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1e2a3a;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: #c75b2b;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ebe4;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            font-size: 0.9rem;
            font-weight: 500;
            display: block;
            padding: 4px 0;
        }
        .link-list a i {
            margin-right: 8px;
            font-size: 0.75rem;
            color: #e8855a;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #e2d9cf;
            border-radius: 8px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s;
            background: #faf8f5;
        }
        .search-form input:focus {
            border-color: #c75b2b;
        }
        .search-form button {
            padding: 10px 18px;
            background: #c75b2b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #a84820;
        }
        .comment-section,
        .rating-section {
            margin-top: 30px;
            padding-top: 24px;
            border-top: 2px solid #f0ebe4;
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1e2a3a;
            margin-bottom: 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: #2c3e50;
            margin-bottom: 4px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #e2d9cf;
            border-radius: 8px;
            font-size: 0.9rem;
            font-family: inherit;
            background: #faf8f5;
            transition: border-color 0.2s;
            outline: none;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #c75b2b;
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            padding: 10px 28px;
            background: #c75b2b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #a84820;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #2c3e50;
        }
        .btn-secondary:hover {
            background: #1e2a3a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d4cfc8;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7c948;
        }
        footer {
            background: #1e2a3a;
            color: #c8d2dc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer a {
            color: #f7c948;
        }
        footer a:hover {
            color: #ffd966;
            text-decoration: underline;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        friend-link {
            display: block;
        }
        friend-link ul {
            list-style: none;
        }
        friend-link ul li {
            padding: 4px 0;
        }
        friend-link ul li a {
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2c3e50;
            font-size: 0.85rem;
            color: #8a9aa8;
        }
        .copyright a {
            color: #f7c948;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e2a3a;
                padding: 12px 0;
                border-radius: 0 0 12px 12px;
                position: absolute;
                top: 100%;
                left: 0;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
                gap: 2px;
            }
            nav ul.show {
                display: flex;
            }
            nav ul li a {
                padding: 10px 24px;
                border-radius: 0;
                white-space: normal;
            }
            article h1 {
                font-size: 1.7rem;
            }
            article h2 {
                font-size: 1.35rem;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.55rem;
            }
            article h1 {
                font-size: 1.4rem;
            }
            .meta {
                font-size: 0.8rem;
                gap: 8px;
            }
            .search-form {
                flex-direction: column;
            }
        }
        .text-sm {
            font-size: 0.85rem;
        }
        .mt-10 {
            margin-top: 10px;
        }
        .mb-10 {
            margin-bottom: 10px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .items-center {
            align-items: center;
        }
        .schema-hidden {
            display: none;
        }
        .emoji-big {
            font-size: 1.8rem;
            line-height: 1;
        }
        .highlight {
            background: #fef6e9;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .card-tip {
            background: #f0f4f8;
            border-left: 4px solid #c75b2b;
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
        }
        .card-tip i {
            color: #c75b2b;
            margin-right: 8px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 10px 14px;
            border: 1px solid #e2d9cf;
            text-align: left;
        }
        .table-wrap th {
            background: #2c3e50;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8f4ef;
        }
        .table-wrap tr:hover {
            background: #f0ebe4;
        }