        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0f4c81;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 18px 0;
            border-bottom: 4px solid #e6b800;
            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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 18px;
            border-radius: 40px;
            border-left: 4px solid #e6b800;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(230, 184, 0, 0.2);
            color: #e6b800;
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 300;
            display: block;
            color: #aac4e0;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0ecff;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
        }
        .main-nav a:hover {
            background: rgba(230, 184, 0, 0.25);
            color: #e6b800;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #e6b800;
            color: #e6b800;
        }
        .nav-active {
            display: flex !important;
            flex-direction: column;
            width: 100%;
            margin-top: 14px;
            gap: 6px;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e6e9f0;
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #b0b8c8;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f4c81;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .main-content {
            padding: 35px 0 50px;
        }
        .post-header {
            margin-bottom: 32px;
        }
        .post-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1a2e;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            border-left: 6px solid #e6b800;
            padding-left: 22px;
        }
        .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 28px;
            color: #5a6a7a;
            font-size: 0.9rem;
            margin-top: 8px;
        }
        .post-meta i {
            margin-right: 6px;
            color: #0f4c81;
        }
        .last-updated {
            background: #eef3f9;
            padding: 4px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.85rem;
        }
        .article-body h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: #0b1a2e;
            margin: 50px 0 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e6b800;
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3a5c;
            margin: 34px 0 14px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e50;
            margin: 24px 0 10px;
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2c3e50;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 22px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-body strong {
            color: #0b1a2e;
            font-weight: 700;
        }
        .highlight-box {
            background: #eef6fb;
            border-left: 5px solid #0f4c81;
            padding: 20px 26px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .stat-number {
            font-weight: 800;
            color: #c0392b;
            font-size: 1.2em;
        }
        .featured-image-wrap {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            background: #e6e9f0;
        }
        .featured-image-wrap img {
            width: 100%;
            object-fit: cover;
            min-height: 280px;
            background: #c0cdde;
        }
        .featured-image-wrap figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #fff;
            border-top: 1px solid #e6e9f0;
            font-style: italic;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 36px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e6e9f0;
        }
        .search-section h3 {
            margin-top: 0;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #dce1ea;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input[type="text"]:focus {
            border-color: #0f4c81;
        }
        .search-form button {
            background: #0f4c81;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a3a5c;
            transform: scale(1.02);
        }
        .comment-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 36px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e6e9f0;
        }
        .comment-section h3 {
            margin-top: 0;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 16px 20px;
            border: 2px solid #dce1ea;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            outline: none;
            transition: border 0.25s;
        }
        .comment-form textarea:focus {
            border-color: #0f4c81;
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 12px 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #dce1ea;
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .comment-form .form-row input:focus {
            border-color: #0f4c81;
        }
        .comment-form button {
            background: #1a3a5c;
            color: #fff;
            border: none;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #0b1a2e;
            transform: scale(1.02);
        }
        .score-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 36px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e6e9f0;
        }
        .score-section h3 {
            margin-top: 0;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .score-form {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            margin-top: 10px;
        }
        .score-form select {
            padding: 12px 20px;
            border: 2px solid #dce1ea;
            border-radius: 50px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            min-width: 100px;
            cursor: pointer;
        }
        .score-form select:focus {
            border-color: #0f4c81;
        }
        .score-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .score-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .star-display {
            color: #e6b800;
            font-size: 1.5rem;
            letter-spacing: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.95rem;
        }
        .table-wrap th {
            background: #0b1a2e;
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .table-wrap td {
            padding: 12px 16px;
            border-bottom: 1px solid #e6e9f0;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8f9fc;
        }
        .table-wrap tr:hover td {
            background: #eef3f9;
        }
        .site-footer {
            background: #0b1a2e;
            color: #c8d8e8;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 4px solid #e6b800;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .footer-inner h4 {
            color: #e6b800;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-inner a {
            color: #aac4e0;
            display: inline-block;
            margin-bottom: 6px;
        }
        .footer-inner a:hover {
            color: #e6b800;
        }
        .friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .friend-link a {
            display: inline-block;
            padding: 4px 0;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #8899b0;
        }
        .copyright strong {
            color: #c8d8e8;
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .post-header h1 {
                font-size: 2.0rem;
                padding-left: 16px;
            }
        }
        @media (max-width: 700px) {
            .header-inner {
                flex-direction: row;
            }
            .main-nav {
                display: none;
                width: 100%;
            }
            .main-nav.nav-active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav a {
                padding: 12px 18px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                width: 100%;
                border-radius: 0;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .post-header h1 {
                font-size: 1.7rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            .search-form input[type="text"],
            .search-form button {
                width: 100%;
            }
            .score-form {
                flex-direction: column;
                align-items: stretch;
            }
            .score-form select,
            .score-form button {
                width: 100%;
            }
            .comment-form .form-row input {
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .post-header h1 {
                font-size: 1.4rem;
                padding-left: 12px;
                border-left-width: 4px;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .search-section,
            .comment-section,
            .score-section {
                padding: 20px 16px;
            }
        }
        .text-muted {
            color: #5a6a7a;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .img-placeholder {
            background: linear-gradient(145deg, #c0cdde 25%, #dce1ea 50%, #c0cdde 75%);
            background-size: 400% 400%;
            animation: shimmer 2.2s ease infinite;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #4a5a6a;
            font-size: 1.2rem;
            font-weight: 500;
        }
        @keyframes shimmer {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }
        .img-placeholder i {
            font-size: 3rem;
            margin-right: 12px;
            opacity: 0.5;
        }
