* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f0f5f0;
            color: #1a2e1a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2d6a2d;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #4caf50;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1b3b1b 0%, #2e7d32 50%, #1b5e20 100%);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 4px solid #ffd600;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #ffd600;
            text-shadow: 2px 2px 0 #1b3b1b;
            letter-spacing: 1px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fff176;
        }
        .my-logo i {
            margin-right: 8px;
            color: #ffd600;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #ffd600;
            color: #ffd600;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 214, 0, 0.15);
        }
        .nav-menu {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e8f5e9;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 214, 0, 0.2);
            color: #ffd600;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #e8f5e9;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #c8e6c9;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #558b2f;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2e7d32;
        }
        .breadcrumb .current {
            color: #1b3b1b;
            font-weight: 600;
        }
        main {
            padding: 2rem 0;
        }
        .hero {
            background: linear-gradient(135deg, #1b3b1b 0%, #388e3c 100%);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            margin-bottom: 2.5rem;
            color: #fff;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "🌿🧟";
            font-size: 6rem;
            position: absolute;
            bottom: -10px;
            right: 20px;
            opacity: 0.15;
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffd600;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            margin-bottom: 0.8rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 720px;
            opacity: 0.95;
            margin-bottom: 0.6rem;
        }
        .hero .badge {
            display: inline-block;
            background: #ffd600;
            color: #1b3b1b;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-top: 0.8rem;
        }
        section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 1.9rem;
            color: #1b3b1b;
            border-left: 6px solid #4caf50;
            padding-left: 1rem;
            margin: 2rem 0 1.2rem 0;
            font-weight: 700;
        }
        h3 {
            font-size: 1.4rem;
            color: #2e7d32;
            margin: 1.8rem 0 0.8rem 0;
            font-weight: 600;
        }
        h4 {
            font-size: 1.15rem;
            color: #1b5e20;
            margin: 1.2rem 0 0.5rem 0;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .content-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.8rem;
            border: 1px solid #e8f5e9;
        }
        .content-card p:last-child {
            margin-bottom: 0;
        }
        .highlight-box {
            background: #e8f5e9;
            border-left: 6px solid #4caf50;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.2rem 0;
        }
        .highlight-box strong {
            color: #1b5e20;
        }
        .emoji-big {
            font-size: 1.8rem;
            vertical-align: middle;
        }
        .featured-image {
            border-radius: 18px;
            overflow: hidden;
            margin: 1.5rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            background: #c8e6c9;
            position: relative;
        }
        .featured-image img {
            width: 100%;
            min-height: 240px;
            object-fit: cover;
            background: #a5d6a7;
        }
        .featured-image .img-placeholder {
            width: 100%;
            min-height: 320px;
            background: linear-gradient(135deg, #2e7d32, #66bb6a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            color: rgba(255, 255, 255, 0.3);
            flex-direction: column;
            padding: 2rem;
        }
        .featured-image .img-placeholder span {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.5rem;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            background: #1b3b1b;
            color: #e8f5e9;
            font-size: 0.9rem;
            font-style: italic;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 500px;
            margin: 1.2rem 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #c8e6c9;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #4caf50;
        }
        .search-form button {
            padding: 0.7rem 1.5rem;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #1b5e20;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .interaction-card {
            background: #fff;
            border-radius: 18px;
            padding: 1.5rem 1.8rem;
            border: 1px solid #e8f5e9;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .interaction-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .interaction-card textarea,
        .interaction-card input {
            padding: 0.6rem 1rem;
            border: 2px solid #c8e6c9;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
            background: #fafff5;
        }
        .interaction-card textarea:focus,
        .interaction-card input:focus {
            border-color: #4caf50;
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card .btn-submit {
            padding: 0.6rem 1.5rem;
            background: #2e7d32;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .interaction-card .btn-submit:hover {
            background: #1b5e20;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd600;
        }
        friend-link {
            display: block;
            background: #1b3b1b;
            color: #e8f5e9;
            padding: 1.8rem 2rem;
            border-radius: 18px;
            margin: 2rem 0 1rem 0;
        }
        friend-link h3 {
            color: #ffd600;
            margin-top: 0;
            font-size: 1.3rem;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            margin: 0.8rem 0 0 0;
        }
        friend-link li {
            margin: 0;
        }
        friend-link a {
            color: #a5d6a7;
            font-weight: 500;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #ffd600;
            text-decoration: none;
        }
        .site-footer {
            background: #0d1f0d;
            color: #c8e6c9;
            padding: 2rem 0;
            text-align: center;
            border-top: 4px solid #2e7d32;
            margin-top: 2rem;
        }
        .site-footer p {
            margin: 0.3rem 0;
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            font-size: 0.82rem;
            opacity: 0.8;
            margin-top: 0.8rem;
        }
        .site-footer a {
            color: #a5d6a7;
        }
        .site-footer a:hover {
            color: #ffd600;
        }
        .toc {
            background: #e8f5e9;
            border-radius: 18px;
            padding: 1.5rem 2rem;
            margin-bottom: 2rem;
            border: 1px solid #c8e6c9;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #1b3b1b;
        }
        .toc ol {
            margin: 0.5rem 0 0 0;
            padding-left: 1.5rem;
            columns: 2;
            column-gap: 2rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
            break-inside: avoid;
        }
        .toc a {
            color: #2e7d32;
            font-weight: 500;
        }
        .last-updated {
            display: inline-block;
            background: #c8e6c9;
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #1b3b1b;
            font-weight: 500;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 6px;
        }
        @media (max-width: 900px) {
            .toc ol {
                columns: 1;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero::after {
                font-size: 4rem;
                right: 10px;
                bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem 0;
                gap: 0.3rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 1.2rem;
                border-radius: 10px;
                width: 100%;
                text-align: left;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .content-card {
                padding: 1.2rem 1.2rem;
            }
            .hero {
                padding: 1.8rem 1.2rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .featured-image .img-placeholder {
                min-height: 200px;
                font-size: 3rem;
            }
            friend-link ul {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .interaction-card {
                padding: 1rem 1.2rem;
            }
            .star-rating {
                font-size: 1.3rem;
            }
        }
        @media print {
            .site-header {
                position: static;
            }
            .nav-toggle,
            .search-form,
            .interaction-card form {
                display: none !important;
            }
            .hero {
                background: #e8f5e9 !important;
                color: #1b3b1b !important;
            }
            .hero h1 {
                color: #1b3b1b !important;
            }
            .hero .badge {
                background: #4caf50;
                color: #fff;
            }
            .site-footer {
                background: #e8f5e9 !important;
                color: #1b3b1b !important;
            }
        }