* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7f2;
            color: #1e2b1a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2d6a1e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #4a9e33;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            width: 100%;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #1a3a12;
            margin: 1.5rem 0 0.8rem;
            line-height: 1.2;
            border-left: 6px solid #6abf4b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #1f4a16;
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px dashed #b6d7a8;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #2b5e1f;
            margin: 1.8rem 0 0.7rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #3b7530;
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin: 1rem 0;
            font-size: 1.05rem;
        }
        strong {
            color: #1c3d13;
            font-weight: 700;
        }
        .text-muted {
            color: #5a6b55;
            font-size: 0.92rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1f4a16 0%, #2d6a1e 50%, #3b8a2a 100%);
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.7rem;
            font-weight: 900;
            color: #f5ffe0;
            text-shadow: 2px 2px 0 #1a3a12;
            letter-spacing: -0.5px;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f5e56b;
        }
        .my-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            color: #d4edc9;
            display: block;
            letter-spacing: 0.5px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: #f5ffe0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #eaf7e3;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            text-decoration: none;
            transform: translateY(-1px);
        }
        .main-nav a i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #eaf7e3;
            color: #eaf7e3;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        #nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.main-nav {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin-top: 0.75rem;
            gap: 0.3rem;
        }
        #nav-toggle:checked~.main-nav a {
            width: 100%;
            justify-content: center;
            padding: 0.6rem;
        }
        .breadcrumb {
            background: #e8f0e3;
            padding: 0.5rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d0e0c8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7a9a6a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2d6a1e;
        }
        .breadcrumb .current {
            color: #4a6a3a;
            font-weight: 500;
        }
        .hero-img {
            margin: 1.8rem 0 1.2rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #dce8d4;
            padding: 0.5rem;
        }
        .hero-img img {
            border-radius: 12px;
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .hero-img figcaption {
            text-align: center;
            font-size: 0.88rem;
            color: #4a6a3a;
            padding: 0.5rem 0 0.2rem;
            font-style: italic;
        }
        .section-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 1.8rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e3efe0;
        }
        .section-card h2 {
            margin-top: 0.2rem;
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin: 1.5rem 0 0.5rem;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #cde0c4;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s, box-shadow 0.25s;
            background: #fafcfa;
        }
        .search-box input:focus {
            border-color: #6abf4b;
            box-shadow: 0 0 0 4px rgba(106, 191, 75, 0.15);
        }
        .search-box button {
            padding: 0.8rem 2rem;
            background: #2d6a1e;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-box button:hover {
            background: #1f4a16;
            transform: scale(1.02);
        }
        .form-group {
            margin: 1.2rem 0;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1f4a16;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #dce8d4;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.25s, box-shadow 0.25s;
            background: #fafcfa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #6abf4b;
            box-shadow: 0 0 0 4px rgba(106, 191, 75, 0.12);
            outline: none;
        }
        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }
        .btn-primary {
            background: #2d6a1e;
            color: #fff;
            border: none;
            padding: 0.8rem 2.4rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            background: #1f4a16;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #d4c27a;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover {
            color: #f5c842;
            transform: scale(1.15);
        }
        .rating-stars .active {
            color: #f5c842;
        }
        friend-link {
            display: block;
            background: #eaf3e5;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 0.8rem 0;
            border: 1px solid #d0e0c8;
        }
        friend-link a {
            color: #2d6a1e;
            font-weight: 500;
            padding: 0.2rem 0.4rem;
        }
        friend-link a:hover {
            color: #4a9e33;
        }
        .site-footer {
            background: #1a3a12;
            color: #d4edc9;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid #6abf4b;
        }
        .site-footer a {
            color: #b6e0a6;
        }
        .site-footer a:hover {
            color: #f5ffe0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        .footer-grid h4 {
            color: #f5e56b;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-grid li {
            margin-bottom: 0.3rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3a5a2e;
            font-size: 0.9rem;
            color: #a5c49a;
        }
        .last-updated {
            display: inline-block;
            background: #eaf3e5;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.88rem;
            color: #2d5a1e;
            font-weight: 500;
            margin: 0.5rem 0 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }
        .toc {
            background: #f0f7ec;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            border: 1px solid #d0e0c8;
            margin: 1.5rem 0;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            margin: 0.5rem 0 0;
            padding-left: 1.2rem;
        }
        .toc li {
            margin-bottom: 0.25rem;
        }
        .toc a {
            color: #2d6a1e;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: inline-block;
            }
            .main-nav {
                display: none;
                width: 100%;
            }
            .header-inner {
                position: relative;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .section-card {
                padding: 1.2rem 1rem;
            }
            .search-box button {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo span {
                font-size: 0.65rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 1rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.4rem;
            }
            .section-card {
                padding: 0.8rem 0.8rem;
            }
            .search-box input {
                min-width: 120px;
                padding: 0.6rem 1rem;
            }
            .btn-primary {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .emoji-lg {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .hidden-schema {
            display: none;
        }