* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3c34;
            --secondary: #2e7d32;
            --accent: #ff6f00;
            --bg: #f5f7f0;
            --text: #1e1e1e;
            --light: #ffffff;
            --gray: #6b7280;
            --border: #d1d5db;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: var(--light);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--light);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: var(--light);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            padding: 14px 0 8px;
            font-size: 0.85rem;
            color: var(--gray);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--gray);
        }
        main {
            padding: 20px 0 40px;
        }
        article {
            background: var(--light);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.2;
            font-weight: 800;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
            font-weight: 700;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin: 28px 0 12px;
            font-weight: 600;
        }
        h4 {
            font-size: 1.15rem;
            color: var(--secondary);
            margin: 20px 0 8px;
            font-weight: 600;
        }
        p {
            margin-bottom: 16px;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .meta-info i {
            margin-right: 4px;
        }
        .last-updated {
            font-weight: 600;
            color: var(--primary);
        }
        .featured-image {
            margin: 24px 0 32px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--gray);
            background: #f9fafb;
            border-top: 1px solid var(--border);
        }
        .highlight-box {
            background: #e8f5e9;
            border-left: 5px solid var(--secondary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .highlight-box i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .search-section {
            background: #f0f4ee;
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 32px 0 24px;
            border: 1px solid var(--border);
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.2s;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--secondary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--secondary);
            color: var(--light);
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #1b5e20;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .feedback-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 22px 24px;
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.25rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border-color 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--secondary);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 10px 20px;
            background: var(--primary);
            color: var(--light);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .feedback-card button:hover {
            background: #0f2a24;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.4rem;
            color: #f59e0b;
            cursor: pointer;
        }
        .star-rating i {
            transition: transform 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .links-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 12px;
            margin: 20px 0;
            padding: 0;
            list-style: none;
        }
        .links-list li a {
            display: block;
            padding: 10px 16px;
            background: #f0f4ee;
            border-radius: 8px;
            border-left: 4px solid var(--secondary);
            font-weight: 500;
            transition: background 0.2s, transform 0.1s;
        }
        .links-list li a:hover {
            background: #dce8da;
            transform: translateX(4px);
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 20px 0;
            border-top: 2px solid var(--border);
            margin-top: 32px;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-top: 12px;
        }
        .friend-links-list a {
            font-weight: 500;
            padding: 4px 0;
        }
        footer {
            background: var(--primary);
            color: var(--light);
            padding: 28px 0 20px;
            margin-top: 40px;
            text-align: center;
        }
        footer a {
            color: #a5d6a7;
        }
        footer a:hover {
            color: var(--accent);
        }
        footer .copyright {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 12px;
        }
        @media (max-width: 900px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            article {
                padding: 20px 16px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding: 12px 0 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 8px 0;
                font-size: 1rem;
            }
            .header-inner {
                align-items: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .links-list {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            article {
                padding: 14px 12px;
            }
            .meta-info {
                flex-direction: column;
                gap: 6px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--secondary);
            color: var(--light);
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: background 0.2s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 50;
        }
        .scroll-top:hover {
            background: var(--primary);
            transform: translateY(-4px);
        }
        @media (max-width: 600px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }