*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f7fb;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1e6f9f;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d3b5e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #0f1a2e;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.6rem;
            border-bottom: 2px solid #dce3ed;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.25rem;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        strong {
            color: #0f1a2e;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1b2a44 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: 1120px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #f5c542;
            text-shadow: 0 2px 8px rgba(245, 197, 66, 0.25);
            transition: transform 0.2s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f5c542;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #f5c542;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e8edf5;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #f5c542;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: rgba(245, 197, 66, 0.15);
            color: #f5c542;
        }
        .breadcrumb-wrap {
            background: #e8ecf3;
            padding: 10px 0;
            border-bottom: 1px solid #d0d8e3;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.85rem;
            color: #4a5a72;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 10px;
            color: #8a9bb0;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #1e6f9f;
        }
        .breadcrumb a:hover {
            color: #0d3b5e;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .main-wrap {
            padding: 32px 0 48px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body {
            background: #fff;
            border-radius: 16px;
            padding: 32px 36px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .content-body .featured-img {
            margin: 24px 0 28px;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .content-body .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .content-body .img-caption {
            font-size: 0.85rem;
            color: #6a7a8e;
            margin-top: 6px;
            text-align: center;
            font-style: italic;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #4a5a72;
            margin-bottom: 18px;
        }
        .last-updated i {
            margin-right: 6px;
            color: #1e6f9f;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 22px 20px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 12px;
            border-bottom: 2px solid #e8ecf3;
            padding-bottom: 8px;
            color: #0f1a2e;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            color: #f5c542;
            font-size: 0.75rem;
        }
        .search-box {
            display: flex;
            gap: 0;
            margin-bottom: 6px;
        }
        .search-box input[type="text"] {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid #dce3ed;
            border-radius: 8px 0 0 8px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s ease;
            background: #fafcff;
        }
        .search-box input[type="text"]:focus {
            border-color: #1e6f9f;
        }
        .search-box button {
            padding: 10px 20px;
            background: #1e6f9f;
            color: #fff;
            border: none;
            border-radius: 0 8px 8px 0;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .search-box button:hover {
            background: #0d3b5e;
        }
        .comment-area {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 2px solid #e8ecf3;
        }
        .comment-area h3 {
            margin-top: 0;
        }
        .comment-form {
            display: grid;
            gap: 14px;
            margin-top: 16px;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 12px 16px;
            border: 2px solid #dce3ed;
            border-radius: 8px;
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s ease;
            background: #fafcff;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #1e6f9f;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .comment-form button {
            padding: 12px 28px;
            background: #0f1a2e;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease;
            justify-self: start;
        }
        .comment-form button:hover {
            background: #1b2a44;
        }
        .rating-area {
            margin-top: 28px;
            padding: 20px 24px;
            background: #f8faff;
            border-radius: 12px;
            border: 1px solid #e0e8f0;
        }
        .rating-area h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d0d8e3;
            cursor: pointer;
            margin: 8px 0 12px;
            direction: rtl;
        }
        .star-rating i {
            transition: color 0.15s ease, transform 0.1s ease;
        }
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f5c542;
            transform: scale(1.1);
        }
        .star-rating.active i.active {
            color: #f5c542;
        }
        .rating-area .rate-btn {
            padding: 8px 24px;
            background: #f5c542;
            color: #0f1a2e;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s ease;
        }
        .rating-area .rate-btn:hover {
            background: #e0b02e;
        }
        .rating-result {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #4a5a72;
        }
        friend-link {
            display: block;
            padding: 20px 0 8px;
            border-top: 2px solid #e8ecf3;
            margin-top: 32px;
        }
        friend-link h4 {
            margin-top: 0;
            font-size: 1.05rem;
            color: #0f1a2e;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }
        friend-link .friend-list li a {
            font-size: 0.9rem;
            color: #1e6f9f;
        }
        friend-link .friend-list li a:hover {
            color: #0d3b5e;
        }
        .site-footer {
            background: #0f1a2e;
            color: #b0c0d0;
            padding: 32px 0 24px;
            margin-top: 20px;
        }
        .site-footer .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
        }
        .site-footer .copyright {
            color: #8a9bb0;
        }
        .site-footer .copyright strong {
            color: #d0d8e3;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .content-body {
                padding: 24px 18px;
            }
            .sidebar {
                order: 2;
            }
            .sidebar-card {
                padding: 18px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 6px;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 10px 12px;
                border-radius: 6px;
            }
            .comment-form .form-row {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
            }
            .breadcrumb li+li::before {
                padding: 0 6px;
            }
            .rating-area {
                padding: 16px 14px;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .content-body {
                padding: 18px 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .search-box input[type="text"] {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .search-box button {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }
        .emoji-big {
            font-size: 1.4em;
            display: inline-block;
            margin-right: 4px;
        }
        .highlight-box {
            background: #f0f6fe;
            border-left: 4px solid #1e6f9f;
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            background: #fafcff;
            border-radius: 10px;
            overflow: hidden;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e0e8f0;
        }
        .table-wrap th {
            background: #0f1a2e;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:last-child td {
            border-bottom: none;
        }
        .table-wrap tr:hover td {
            background: #f0f6fe;
        }
        .btn-back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            background: #0f1a2e;
            color: #f5c542;
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            transition: background 0.2s ease, transform 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 999;
        }
        .btn-back-top:hover {
            background: #1b2a44;
            transform: translateY(-2px);
        }
        @media (max-width: 600px) {
            .btn-back-top {
                bottom: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }