*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #1a6fc4;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0d3b6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #0b1c2e;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #f0c040;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #f0c040;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.2rem;
            color: #2b4a6e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border-radius: 20px;
            padding: 20px 28px 40px;
        }
        header {
            padding: 18px 0 10px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 2px solid #e6edf5;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(145deg, #1c3c5e, #0f2a46);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: #f0c040;
            -webkit-text-fill-color: #f0c040;
            font-size: 2.2rem;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e2a3a;
            background: transparent;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: #eef3fa;
            color: #1a6fc4;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1e2a3a;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef3fa;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb {
            padding: 12px 0 6px;
            font-size: 0.9rem;
            color: #4a5a6e;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            width: 100%;
            margin-top: 6px;
        }
        .breadcrumb i {
            margin: 0 4px;
            color: #8a9baa;
            font-size: 0.75rem;
        }
        .breadcrumb a {
            color: #1a6fc4;
        }
        .breadcrumb span.current {
            color: #2c3e4e;
            font-weight: 600;
        }
        .search-section {
            background: #f0f5fc;
            border-radius: 60px;
            padding: 6px 6px 6px 20px;
            display: flex;
            align-items: center;
            max-width: 480px;
            margin: 20px 0 18px;
            border: 1px solid #d9e2ec;
            transition: box-shadow 0.2s;
        }
        .search-section:focus-within {
            box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.2);
            border-color: #1a6fc4;
        }
        .search-section input {
            border: none;
            background: transparent;
            padding: 12px 8px;
            flex: 1;
            font-size: 1rem;
            outline: none;
            min-width: 0;
        }
        .search-section button {
            background: #1a6fc4;
            border: none;
            color: #fff;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #0d4f8a;
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin-top: 10px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            border-left: 1px solid #e6edf5;
            padding-left: 28px;
        }
        .sidebar-section {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 28px;
            border: 1px solid #eaf0f7;
        }
        .sidebar-section h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #f0c040;
            padding-bottom: 6px;
            display: inline-block;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid #edf2f8;
        }
        .sidebar ul li:last-child {
            border-bottom: none;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a i {
            color: #f0c040;
            width: 18px;
        }
        .featured-image {
            margin: 24px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            background: #eef3fa;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 420px;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.9rem;
            color: #3a4a5e;
            background: #f8faff;
            border-top: 1px solid #e6edf5;
        }
        .interaction-box {
            background: #f8faff;
            border-radius: 20px;
            padding: 24px 28px;
            margin: 40px 0 20px;
            border: 1px solid #e6edf5;
        }
        .interaction-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border-radius: 16px;
            border: 1px solid #d9e2ec;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #1a6fc4;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.1);
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
            align-items: center;
        }
        .comment-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border-radius: 30px;
            border: 1px solid #d9e2ec;
            font-size: 0.95rem;
            background: #fff;
        }
        .comment-form input[type="text"]:focus {
            border-color: #1a6fc4;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 111, 196, 0.1);
        }
        .comment-form button {
            background: #1a6fc4;
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover {
            background: #0d4f8a;
            transform: scale(1.02);
        }
        .score-area {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin: 16px 0 8px;
            padding: 16px 0;
            border-top: 1px solid #e6edf5;
        }
        .score-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d4dce6;
            cursor: pointer;
            transition: color 0.15s;
        }
        .score-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .score-stars i:hover,
        .score-stars i.active {
            color: #f0c040;
            transform: scale(1.1);
        }
        .score-stars i.selected {
            color: #f0c040;
        }
        .score-btn {
            background: #2a5a3a;
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .score-btn:hover {
            background: #1d422a;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: #4a5a6e;
            background: #f0f5fc;
            padding: 8px 18px;
            border-radius: 30px;
            width: fit-content;
            margin: 16px 0 10px;
        }
        footer {
            margin-top: 50px;
            padding-top: 28px;
            border-top: 2px solid #e6edf5;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-copyright {
            font-size: 0.9rem;
            color: #4a5a6e;
            margin-top: 20px;
            text-align: center;
            width: 100%;
            padding-top: 16px;
            border-top: 1px solid #e6edf5;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 6px 14px;
            background: #f0f5fc;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #e0e9f3;
            text-decoration: none;
        }
        friend-link .friend-label {
            font-weight: 700;
            color: #1e2a3a;
            margin-right: 8px;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
                border-top: 2px solid #e6edf5;
                padding-top: 24px;
            }
            .container {
                padding: 16px 18px 30px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 700px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: #ffffff;
                padding: 12px 0 8px;
                border-top: 1px solid #e6edf5;
                margin-top: 12px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: 12px;
            }
            header {
                padding-bottom: 6px;
            }
            .search-section {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 8px 12px;
            }
            .search-section input {
                padding: 10px 4px;
                width: 100%;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
                margin-top: 6px;
            }
            .interaction-box {
                padding: 18px 16px;
            }
            .score-area {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 12px 24px;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        .highlight {
            background: #fef9e7;
            padding: 0 4px;
            border-radius: 4px;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .tag {
            display: inline-block;
            background: #eef3fa;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1a4a6a;
        }
        .blockquote {
            border-left: 4px solid #f0c040;
            padding: 12px 20px;
            margin: 20px 0;
            background: #fafcff;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3a4a;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 16px;
            background: #1a6fc4;
            color: #fff;
            padding: 12px 24px;
            border-radius: 0 0 12px 12px;
            z-index: 100;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }