*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #004080;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0d1b2a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #ff6b35;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #ff6b35;
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: #1b3a5c;
        }
        h4 {
            font-size: 1.25rem;
            margin-top: 1.5rem;
            color: #2d4a6e;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2c2c3e;
        }
        strong,
        b {
            color: #0d1b2a;
            font-weight: 700;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1b2a 0%, #1b3a5c 100%);
            color: #ffffff;
            padding: 0.8rem 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;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ff6b35;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #ff8555;
        }
        .my-logo span {
            color: #ffffff;
            font-weight: 300;
        }
        .nav-links {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            color: #e0e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.25s ease;
        }
        .nav-links li a:hover {
            color: #ff6b35;
            border-bottom-color: #ff6b35;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumb {
            background: #e9ecf3;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d7e0;
            max-width: 1200px;
            margin: 0 auto;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb a {
            color: #0066cc;
        }
        .breadcrumb a:hover {
            color: #004080;
        }
        .breadcrumb span {
            color: #4a5a6e;
        }
        .breadcrumb .sep {
            margin: 0 0.5rem;
            color: #8a9aa8;
        }
        .hero-image-wrap {
            margin: 1.5rem 0 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            background: #0d1b2a;
            position: relative;
        }
        .hero-image-wrap img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }
        .hero-image-wrap:hover img {
            transform: scale(1.01);
        }
        .hero-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
            color: #fff;
            padding: 2rem 1.5rem 1.2rem;
            font-size: 0.95rem;
            font-weight: 400;
        }
        .hero-caption strong {
            color: #ffaa55;
        }
        .content-area {
            background: #ffffff;
            border-radius: 16px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .content-area p {
            font-size: 1.05rem;
            letter-spacing: 0.01em;
        }
        .content-area .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #1a2a4a;
            background: #f0f4fe;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            border-left: 6px solid #ff6b35;
            margin-bottom: 2rem;
        }
        .context-links {
            background: #f8faff;
            border: 1px solid #dce3ed;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
        }
        .context-links a {
            background: #eef3fa;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #1b3a5c;
            border: 1px solid #d0dae8;
            transition: all 0.2s ease;
        }
        .context-links a:hover {
            background: #ff6b35;
            color: #fff;
            border-color: #ff6b35;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 520px;
            margin: 1.8rem 0 2.2rem;
            background: #f0f4fe;
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            border: 1px solid #d0dae8;
        }
        .search-form input[type="text"] {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 0.2rem;
            font-size: 1rem;
            outline: none;
            color: #1a1a2e;
        }
        .search-form input[type="text"]::placeholder {
            color: #7a8a9e;
        }
        .search-form button {
            background: #ff6b35;
            border: none;
            color: #fff;
            padding: 0.7rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #e55a2b;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-top: 1.5rem;
            border-top: 2px dashed #dce3ed;
        }
        .comment-box,
        .score-box {
            background: #f8faff;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #e0e7f0;
        }
        .comment-box h3,
        .score-box h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-box textarea {
            width: 100%;
            border: 1px solid #d0dae8;
            border-radius: 8px;
            padding: 0.8rem 1rem;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            font-family: inherit;
            background: #ffffff;
            transition: border 0.2s ease;
        }
        .comment-box textarea:focus {
            border-color: #ff6b35;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .comment-box .form-row,
        .score-box .form-row {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.8rem;
            flex-wrap: wrap;
        }
        .comment-box input[type="text"],
        .score-box input[type="text"] {
            flex: 1;
            min-width: 140px;
            border: 1px solid #d0dae8;
            border-radius: 8px;
            padding: 0.6rem 1rem;
            font-size: 0.95rem;
            background: #ffffff;
            transition: border 0.2s ease;
        }
        .comment-box input[type="text"]:focus,
        .score-box input[type="text"]:focus {
            border-color: #ff6b35;
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .btn-submit {
            background: #0d1b2a;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease;
            font-size: 0.95rem;
        }
        .btn-submit:hover {
            background: #1b3a5c;
        }
        .score-box .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d0dae8;
            cursor: pointer;
            margin: 0.6rem 0 0.8rem;
            user-select: none;
        }
        .score-box .star-rating i {
            transition: color 0.2s ease, transform 0.15s ease;
        }
        .score-box .star-rating i:hover,
        .score-box .star-rating i.active {
            color: #ffb347;
            transform: scale(1.1);
        }
        .score-box .star-rating i.active {
            color: #ff9f1c;
        }
        .site-footer {
            background: #0d1b2a;
            color: #c8d4e0;
            padding: 2.5rem 1.2rem 1.5rem;
            margin-top: 3rem;
            border-radius: 16px 16px 0 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #ffaa55;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #2a4a6e;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        .footer-inner p,
        .footer-inner a {
            color: #b0c4d8;
            font-size: 0.92rem;
        }
        .footer-inner a:hover {
            color: #ffaa55;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.2rem 0.8rem;
            border-radius: 6px;
            font-size: 0.9rem;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 1.8rem auto 0;
            padding-top: 1.2rem;
            border-top: 1px solid #2a4a6e;
            text-align: center;
            font-size: 0.85rem;
            color: #7a9ab8;
        }
        .footer-bottom strong {
            color: #c8d4e0;
        }
        @media (max-width: 992px) {
            .content-area {
                padding: 1.5rem 1.5rem;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0d1b2a;
                padding: 1rem 0 1.5rem;
                gap: 0.8rem;
                border-top: 1px solid #2a4a6e;
                margin-top: 0.8rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 0.5rem 1rem;
                display: block;
                border-bottom: none;
                font-size: 1rem;
            }
            .nav-links li a:hover {
                background: rgba(255, 107, 53, 0.15);
                border-radius: 6px;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .content-area {
                padding: 1rem 1.2rem;
                border-radius: 10px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
                padding-left: 0.7rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-image-wrap {
                margin: 1rem 0 1.5rem;
            }
            .hero-caption {
                font-size: 0.8rem;
                padding: 1.2rem 1rem 0.8rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            .search-form {
                flex-wrap: wrap;
                border-radius: 12px;
                padding: 0.5rem;
                background: #ffffff;
                border: 1px solid #d0dae8;
            }
            .search-form input[type="text"] {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
                padding: 0.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .context-links {
                padding: 0.8rem 1rem;
                gap: 0.4rem 0.8rem;
            }
            .context-links a {
                font-size: 0.8rem;
                padding: 0.2rem 0.7rem;
            }
            .interaction-grid {
                padding-top: 1rem;
                margin-top: 1.5rem;
            }
            .comment-box,
            .score-box {
                padding: 1rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .content-area {
                padding: 0.8rem 0.8rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            h3 {
                font-size: 1rem;
            }
            p {
                font-size: 0.95rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .hero-caption {
                font-size: 0.7rem;
                padding: 0.8rem 0.8rem 0.5rem;
            }
        }
        .text-muted {
            color: #5a6a7e;
            font-size: 0.9rem;
        }
        .updated-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8edf6;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #1b3a5c;
            margin-bottom: 1rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #f8faff;
            border-radius: 10px;
            overflow: hidden;
        }
        table th {
            background: #0d1b2a;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #e0e7f0;
        }
        table tr:last-child td {
            border-bottom: none;
        }
        .highlight-box {
            background: #fef6ee;
            border-left: 5px solid #ff6b35;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-lg {
            font-size: 1.4em;
        }
        .flex-tip {
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
            margin: 1.2rem 0;
            padding: 0.8rem 1.2rem;
            background: #f0f7ff;
            border-radius: 10px;
        }
        .flex-tip i {
            color: #ff6b35;
            font-size: 1.4rem;
            margin-top: 0.1rem;
        }
        .blockquote-custom {
            background: #f0f4fe;
            border-left: 6px solid #1b3a5c;
            padding: 1.2rem 1.8rem;
            border-radius: 8px;
            margin: 1.8rem 0;
            font-style: italic;
            color: #1a2a4a;
        }
        .blockquote-custom cite {
            display: block;
            margin-top: 0.6rem;
            font-style: normal;
            font-weight: 600;
            color: #ff6b35;
        }