*,
        *::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, sans-serif;
            background: #f7f9fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d04a2a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #a8321a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #0f1a2e;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #d04a2a;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 3px solid #e8edf3;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c4a6e;
        }
        p {
            margin: 1rem 0;
            color: #2c3e4f;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1628 0%, #1a2a44 100%);
            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;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #ffb347;
            text-shadow: 0 2px 8px rgba(255, 180, 70, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 0.3rem;
            color: #ff6b4a;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #eef4ff;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 180, 70, 0.18);
            color: #ffb347;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #d04a2a;
            color: #fff;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce2ec;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #8899aa;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2c5f8a;
        }
        .breadcrumb .current {
            color: #6a7b8c;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaf0f6;
        }
        .search-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dce4ed;
            border-radius: 50px;
            font-size: 1rem;
            transition: border 0.2s, box-shadow 0.2s;
            outline: none;
        }
        .search-form input[type="text"]:focus {
            border-color: #d04a2a;
            box-shadow: 0 0 0 4px rgba(208, 74, 42, 0.12);
        }
        .search-form button {
            background: #d04a2a;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #a8321a;
            transform: scale(1.02);
        }
        .interaction-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .rating-box,
        .comment-box {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaf0f6;
        }
        .rating-box h3,
        .comment-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            color: #d5dce5;
            cursor: pointer;
            margin: 0.8rem 0 1rem;
            direction: rtl;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f5b342;
            transform: scale(1.1);
        }
        .star-rating .active {
            color: #f5b342;
        }
        .rating-value {
            font-weight: 700;
            color: #1e3a5f;
            font-size: 1.1rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #dce4ed;
            border-radius: 14px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 110px;
            font-family: inherit;
            transition: border 0.2s;
            outline: none;
        }
        .comment-box textarea:focus {
            border-color: #d04a2a;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce4ed;
            border-radius: 50px;
            font-size: 0.95rem;
            margin: 0.5rem 0 0.8rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-box input[type="text"]:focus {
            border-color: #d04a2a;
        }
        .btn-submit {
            background: #1e3a5f;
            color: #fff;
            border: none;
            padding: 0.7rem 2.2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn-submit:hover {
            background: #0f2640;
            transform: scale(1.02);
        }
        .btn-submit i {
            margin-right: 0.4rem;
        }
        .comment-list {
            margin-top: 1.2rem;
            max-height: 240px;
            overflow-y: auto;
            border-top: 1px solid #eef2f7;
            padding-top: 0.8rem;
        }
        .comment-item {
            padding: 0.6rem 0;
            border-bottom: 1px solid #f0f4fa;
            font-size: 0.9rem;
        }
        .comment-item strong {
            color: #1e3a5f;
        }
        .comment-item small {
            color: #8899aa;
            font-size: 0.8rem;
        }
        .content-area {
            background: #fff;
            border-radius: 24px;
            padding: 2.5rem 2.8rem;
            margin: 2rem 0;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.03);
            border: 1px solid #eaf0f6;
        }
        .featured-image {
            border-radius: 20px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-image figcaption {
            background: #f4f8fe;
            padding: 0.8rem 1.2rem;
            font-size: 0.85rem;
            color: #4a5b6e;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
            text-align: center;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eef6ff;
            color: #1e4a7a;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid #d0e2f5;
        }
        .highlight-box {
            background: #fbf5ef;
            border-left: 6px solid #d04a2a;
            padding: 1.4rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .highlight-box p {
            margin: 0.3rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8edf3;
        }
        th {
            background: #f2f6fc;
            font-weight: 700;
            color: #0f1a2e;
        }
        tr:hover td {
            background: #fafcfe;
        }
        friend-link {
            display: block;
            background: #f2f6fc;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2rem 0 1rem;
            border: 1px solid #dce6f0;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #0f1a2e;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
            margin: 0.8rem 0 0;
        }
        friend-link li a {
            color: #2c5f8a;
            font-weight: 500;
            font-size: 0.92rem;
        }
        friend-link li a:hover {
            color: #d04a2a;
        }
        .site-footer {
            background: #0b1628;
            color: #bcc9db;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2.5rem;
            border-top: 4px solid #d04a2a;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem 2rem;
        }
        .footer-copy {
            font-size: 0.85rem;
            opacity: 0.85;
        }
        .footer-copy a {
            color: #ffb347;
        }
        .footer-links a {
            color: #bcc9db;
            font-size: 0.9rem;
            margin-left: 1.5rem;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #ffb347;
            text-decoration: none;
        }
        @media (max-width: 820px) {
            .interaction-panel {
                grid-template-columns: 1fr;
            }
            .content-area {
                padding: 1.8rem 1.2rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f1f36;
                border-radius: 16px;
                padding: 1rem 0.8rem;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .rating-box,
            .comment-box {
                padding: 1.2rem 1.2rem;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer-links a {
                margin: 0 0.7rem;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.75rem;
            }
            h1 {
                font-size: 1.4rem;
                padding-left: 0.7rem;
                border-left-width: 4px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .content-area {
                padding: 1.2rem 0.9rem;
                border-radius: 16px;
            }
            .highlight-box {
                padding: 1rem 1.2rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
            table {
                font-size: 0.82rem;
            }
            th,
            td {
                padding: 0.5rem 0.6rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #eef2f7;
        }
        ::-webkit-scrollbar-thumb {
            background: #b6c6d9;
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #95a9c2;
        }
        @media print {
            .site-header {
                position: static;
                background: #fff;
                color: #000;
            }
            .nav-toggle,
            .search-form button {
                display: none;
            }
            .site-footer {
                background: #f4f4f4;
                color: #333;
            }
        }