*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f0f4e8;
            color: #1e2a1e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #2e7d32;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1b5e20;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(145deg, #1b3a1b, #2a5a2a);
            color: #f5faf0;
            padding: 16px 0 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #e8f5e9;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #c8e6c9;
        }
        .my-logo i {
            color: #fdd835;
            font-size: 1.8rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.8;
            display: block;
            line-height: 1.2;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list a {
            color: #e8f5e9;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 30px;
            transition: background 0.25s, color 0.25s;
            font-size: 0.9rem;
        }
        .nav-list a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .nav-list a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #e8f5e9;
            color: #e8f5e9;
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e8f0e0;
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #c8dcc0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6b8f6b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2e7d32;
        }
        .breadcrumb .current {
            color: #1e2a1e;
            font-weight: 600;
        }
        main {
            padding: 30px 0 50px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 35px;
        }
        @media(max-width:868px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            color: #1b3a1b;
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        article h1 i {
            color: #f9a825;
        }
        .last-updated {
            display: block;
            font-size: 0.85rem;
            color: #5a7a5a;
            margin-bottom: 20px;
            border-left: 4px solid #4caf50;
            padding-left: 14px;
            background: #e8f5e9;
            border-radius: 0 8px 8px 0;
            line-height: 1.6;
        }
        .last-updated i {
            margin-right: 6px;
        }
        article h2 {
            font-size: 1.8rem;
            color: #1b3a1b;
            margin: 40px 0 14px;
            border-bottom: 3px solid #a5d6a7;
            padding-bottom: 6px;
        }
        article h2 i {
            color: #2e7d32;
            margin-right: 8px;
        }
        article h3 {
            font-size: 1.35rem;
            color: #1e3a1e;
            margin: 28px 0 10px;
            font-weight: 700;
        }
        article h3 i {
            margin-right: 8px;
            color: #388e3c;
        }
        article h4 {
            font-size: 1.1rem;
            color: #1e3a1e;
            margin: 18px 0 8px;
            font-weight: 600;
        }
        article p {
            margin-bottom: 16px;
            font-size: 1rem;
            color: #1e2a1e;
        }
        article p strong {
            color: #1b3a1b;
        }
        .feature-img {
            margin: 24px 0 28px;
            border-radius: 14px;
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.08);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: #4a6a4a;
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .highlight-box {
            background: #e8f5e9;
            border-left: 5px solid #2e7d32;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 22px 0;
            font-size: 0.95rem;
        }
        .highlight-box strong {
            color: #1b5e20;
        }
        .inline-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 20px;
            padding: 12px 16px;
            background: #f5faf0;
            border-radius: 10px;
            border: 1px solid #c8dcc0;
        }
        .inline-links a {
            font-weight: 500;
            font-size: 0.9rem;
        }
        .inline-links a i {
            margin-right: 4px;
            font-size: 0.8rem;
        }
        .sidebar {
            background: #f5faf0;
            padding: 20px;
            border-radius: 16px;
            border: 1px solid #c8dcc0;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            color: #1b3a1b;
            margin-bottom: 14px;
            border-bottom: 2px solid #a5d6a7;
            padding-bottom: 6px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar li a i {
            color: #2e7d32;
            font-size: 0.85rem;
        }
        .search-section {
            background: #e8f5e9;
            padding: 18px 20px;
            border-radius: 14px;
            margin: 28px 0 18px;
            border: 1px solid #a5d6a7;
        }
        .search-section form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #a5d6a7;
            border-radius: 30px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: border 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #2e7d32;
        }
        .search-section button {
            padding: 12px 28px;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #1b5e20;
            transform: scale(1.02);
        }
        .user-feedback {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 36px 0 20px;
        }
        @media(max-width:600px) {
            .user-feedback {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f5faf0;
            padding: 20px 22px;
            border-radius: 16px;
            border: 1px solid #c8dcc0;
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: #1b3a1b;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #c8dcc0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            outline: none;
            transition: border 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #2e7d32;
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 20px;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: #1b5e20;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f9a825;
        }
        footer {
            background: #1b3a1b;
            color: #e8f5e9;
            padding: 36px 0 24px;
            margin-top: 40px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }
        @media(max-width:640px) {
            footer .container {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: #c8e6c9;
        }
        footer a {
            color: #a5d6a7;
        }
        footer a:hover {
            color: #fff;
        }
        .friend-link {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .friend-link a {
            padding: 4px 0;
            border-bottom: 1px solid #2a5a2a;
            font-size: 0.9rem;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a5a2a;
            margin-top: 16px;
            font-size: 0.85rem;
            color: #a5d6a7;
        }
        .copyright strong {
            color: #c8e6c9;
        }
        @media(max-width:768px) {
            .header-inner {
                flex-direction: row;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1b3a1b;
                padding: 16px 0 12px;
                border-top: 1px solid #2a5a2a;
                margin-top: 8px;
                gap: 4px;
            }
            .nav-list.show {
                display: flex;
            }
            .nav-list a {
                padding: 10px 16px;
                border-radius: 0;
                width: 100%;
            }
            .hamburger {
                display: inline-block;
            }
            article h1 {
                font-size: 1.8rem;
            }
            article h2 {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 14px;
            }
            article h1 {
                font-size: 1.5rem;
            }
            .feedback-card {
                padding: 16px;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                justify-content: center;
            }
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .text-green {
            color: #2e7d32;
        }
        .flex {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-2 {
            gap: 16px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }