* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
        }
        a {
            color: #0a66c2;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c8102e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0a1428 0%, #1e2a3a 100%);
            color: #fff;
            padding: 18px 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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #c8102e, #f0a030);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 1rem;
            font-weight: 300;
            -webkit-text-fill-color: #aabbcc;
            color: #aabbcc;
            letter-spacing: 1px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 2rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #d0ddee;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(200, 16, 46, 0.2);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .nav-active {
            background: rgba(200, 16, 46, 0.25);
            color: #fff;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d8e0ea;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #7a8a9e;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c8102e;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: #0a1428;
            border-left: 6px solid #c8102e;
            padding-left: 24px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 56px;
            margin-bottom: 18px;
            color: #0f1d2e;
            border-bottom: 3px solid #e0e7f0;
            padding-bottom: 10px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 36px;
            margin-bottom: 12px;
            color: #1a2c42;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2c3e50;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .content-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px 44px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
            margin-bottom: 40px;
        }
        .highlight-box {
            background: #f0f5fe;
            border-left: 5px solid #0a66c2;
            padding: 20px 28px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #0a1428;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 8px;
        }
        .btn {
            display: inline-block;
            background: #c8102e;
            color: #fff;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.25);
        }
        .btn:hover {
            background: #a00d26;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(200, 16, 46, 0.35);
            text-decoration: none;
            color: #fff;
        }
        .btn-secondary {
            background: #1e2a3a;
            box-shadow: 0 4px 14px rgba(30, 42, 58, 0.2);
        }
        .btn-secondary:hover {
            background: #0f1d2e;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            margin: 20px 0 28px;
            padding: 0;
            list-style: none;
        }
        .link-list li a {
            background: #f0f4fa;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            border: 1px solid #d8e0ea;
            transition: all 0.2s;
            display: inline-block;
        }
        .link-list li a:hover {
            background: #c8102e;
            color: #fff;
            border-color: #c8102e;
            text-decoration: none;
        }
        .image-wrapper {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #e9edf4;
            text-align: center;
        }
        .image-wrapper figcaption {
            padding: 12px 16px;
            font-size: 0.9rem;
            color: #5a6a7e;
            background: #f8faff;
            border-top: 1px solid #e0e7f0;
        }
        .search-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 32px 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
            margin-bottom: 40px;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 640px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 22px;
            border: 2px solid #d8e0ea;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #c8102e;
        }
        .comments-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 32px 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
            margin-bottom: 40px;
        }
        .comment-item {
            border-bottom: 1px solid #e8edf5;
            padding: 18px 0;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-meta {
            font-size: 0.85rem;
            color: #6a7a8e;
            margin-bottom: 6px;
        }
        .comment-meta strong {
            color: #1e2a3a;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #f0c020;
            margin: 12px 0 18px;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            color: #1e2a3a;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d8e0ea;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #c8102e;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 180px;
        }
        footer {
            background: #0a1428;
            color: #c0d0e0;
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        footer a {
            color: #a0b8d0;
        }
        footer a:hover {
            color: #f0a030;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }
        footer h4 {
            color: #e8f0fa;
            margin-top: 0;
            margin-bottom: 16px;
            font-size: 1.1rem;
            border-bottom: 2px solid #1e3a5a;
            padding-bottom: 8px;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            padding: 16px 0;
            border-top: 1px solid #1e3a5a;
            border-bottom: 1px solid #1e3a5a;
            margin-bottom: 20px;
        }
        .friend-link a {
            padding: 4px 12px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.04);
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .friend-link a:hover {
            background: rgba(200, 16, 46, 0.2);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.9rem;
            color: #7a8a9e;
            border-top: 1px solid #1e3a5a;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 16px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 10px 16px;
                border-radius: 8px;
            }
            h1 {
                font-size: 2rem;
                padding-left: 16px;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .content-card,
            .search-section,
            .comments-section {
                padding: 24px 18px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .container {
                padding: 0 12px;
            }
            .link-list {
                gap: 8px 12px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                font-size: 0.75rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-center {
            text-align: center;
        }
        .flex {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-sm {
            gap: 8px;
        }
        .updated-badge {
            display: inline-block;
            background: #e8edf5;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2c3e50;
            margin-bottom: 16px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #f8faff;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #e0e7f0;
        }
        th {
            background: #e9edf4;
            font-weight: 700;
            color: #0a1428;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .schema-hidden {
            display: none;
        }