*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f5f3ef;
            color: #2c2c2c;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #4a6b3f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #7c9f6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #1f3a1a;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #b5c9a8;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #7c9f6e;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2d5a2d;
        }
        h4 {
            font-size: 1.15rem;
            color: #3d6b3d;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.5rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fffcf9;
            padding: 1.5rem 2rem;
            border-radius: 24px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem 0;
            border-bottom: 2px solid #e2dcd3;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #1f3a1a;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #4a6b3f, #7c9f6e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a5a5a;
            color: #5a5a5a;
            display: block;
            letter-spacing: 0.2px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        nav a {
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-weight: 500;
            color: #2c2c2c;
            transition: background 0.2s, color 0.2s;
            font-size: 0.92rem;
        }
        nav a:hover {
            background: #e2dcd3;
            color: #1f3a1a;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #1f3a1a;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
        }
        .hamburger:hover {
            background: #e2dcd3;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #6a6a6a;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #4a6b3f;
        }
        .breadcrumb span {
            color: #999;
        }
        .search-box {
            background: #f0ece6;
            padding: 1.5rem 2rem;
            border-radius: 60px;
            margin: 1.8rem 0 2.2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem;
        }
        .search-box label {
            font-weight: 600;
            color: #1f3a1a;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box input[type="text"] {
            flex: 1 1 220px;
            padding: 0.7rem 1.2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            background: #fffcf9;
            border: 1px solid #d6cec2;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input[type="text"]:focus {
            border-color: #7c9f6e;
        }
        .search-box button {
            background: #4a6b3f;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .search-box button:hover {
            background: #2d5a2d;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            background: #f0ece6;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            color: #4a4a4a;
            font-style: italic;
        }
        .toc {
            background: #f0ece6;
            padding: 1.5rem 2rem;
            border-radius: 20px;
            margin: 1.8rem 0 2.2rem 0;
            border-left: 6px solid #7c9f6e;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 0.3rem 1.5rem;
        }
        .toc li a {
            display: block;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.15s;
        }
        .toc li a:hover {
            background: #d6cec2;
            text-decoration: none;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin: 2.5rem 0 1.5rem 0;
            padding: 2rem 0;
            border-top: 2px solid #e2dcd3;
        }
        .feedback-card {
            background: #f9f6f1;
            padding: 1.5rem 2rem;
            border-radius: 20px;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #d6cec2;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fffcf9;
            outline: none;
            transition: border 0.2s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #7c9f6e;
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card button {
            background: #4a6b3f;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #2d5a2d;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 0.6rem 1.2rem;
            background: #f9f6f1;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.8rem 0;
            list-style: none;
        }
        .link-grid li a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.3rem 0;
            font-weight: 500;
        }
        .link-grid li a i {
            color: #7c9f6e;
            width: 1.2rem;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.6rem 0;
            border-top: 2px solid #e2dcd3;
            margin-top: 1.8rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #f0ece6;
            border-radius: 30px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #d6cec2;
            text-decoration: none;
        }
        footer {
            padding: 1.5rem 0 0.8rem 0;
            text-align: center;
            color: #6a6a6a;
            font-size: 0.9rem;
            border-top: 2px solid #e2dcd3;
            margin-top: 1.5rem;
        }
        footer .copyright {
            margin-top: 0.6rem;
            font-size: 0.85rem;
            color: #888;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .container {
                padding: 1rem 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            nav a {
                padding: 0.4rem 0.8rem;
                font-size: 0.85rem;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 0.8rem 0 0.4rem 0;
                gap: 0.2rem;
            }
            .nav-links.open {
                display: flex;
            }
            .search-box {
                padding: 1.2rem 1.2rem;
                border-radius: 30px;
                flex-direction: column;
                align-items: stretch;
            }
            .search-box button {
                align-self: center;
            }
            .feedback-section {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .toc ul {
                grid-template-columns: 1fr;
            }
            .link-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .link-grid {
                grid-template-columns: 1fr;
            }
            .feedback-card {
                padding: 1rem 1.2rem;
            }
            .star-rating label {
                font-size: 1.5rem;
            }
        }
        .badge {
            display: inline-block;
            background: #7c9f6e;
            color: #fff;
            padding: 0.1rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .highlight {
            background: #f5f0e8;
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .last-updated {
            text-align: right;
            font-size: 0.85rem;
            color: #888;
            margin-top: 0.4rem;
            padding-top: 0.4rem;
            border-top: 1px dashed #ddd;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            background: #f9f6f1;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e2dcd3;
        }
        th {
            background: #4a6b3f;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f0ece6;
        }