*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a7a2e;
            --primary-dark: #0f5a1e;
            --primary-light: #e8f5e9;
            --accent: #ff8f00;
            --accent-light: #fff3e0;
            --neutral-900: #1a1a2e;
            --neutral-700: #2d2d44;
            --neutral-500: #6b7280;
            --neutral-300: #d1d5db;
            --neutral-100: #f3f4f6;
            --white: #ffffff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1120px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--neutral-100);
            color: var(--neutral-900);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--white);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-dark);
        }
        .my-logo span {
            font-weight: 300;
            color: var(--neutral-500);
            font-size: 0.9rem;
            display: none;
        }
        @media (min-width: 640px) {
            .my-logo span {
                display: inline;
            }
        }
        .nav-toggle {
            display: none;
        }
        .nav-toggle-label {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            background: var(--neutral-100);
            transition: var(--transition);
        }
        .nav-toggle-label:hover {
            background: var(--neutral-300);
        }
        .nav-toggle-label span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--neutral-700);
            border-radius: 3px;
            transition: var(--transition);
        }
        .nav-menu {
            display: none;
            width: 100%;
            padding-top: 12px;
            border-top: 1px solid var(--neutral-300);
            margin-top: 12px;
            flex-direction: column;
            gap: 6px;
        }
        .nav-menu a {
            display: block;
            padding: 10px 16px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--neutral-700);
            transition: var(--transition);
        }
        .nav-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }
        #nav-toggle:checked~.nav-menu {
            display: flex;
        }
        @media (min-width: 768px) {
            .nav-toggle-label {
                display: none;
            }
            .nav-menu {
                display: flex !important;
                width: auto;
                flex-direction: row;
                border-top: none;
                margin-top: 0;
                padding-top: 0;
                gap: 4px;
            }
            .nav-menu a {
                padding: 8px 16px;
            }
            .header-inner {
                flex-wrap: nowrap;
            }
        }
        .breadcrumb {
            background: var(--white);
            padding: 10px 20px;
            font-size: 0.85rem;
            border-bottom: 1px solid var(--neutral-300);
        }
        .breadcrumb-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--neutral-500);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--neutral-500);
        }
        .breadcrumb .current {
            color: var(--neutral-900);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2e7d32 100%);
            color: var(--white);
            padding: 48px 20px 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 800px;
            margin: 0 auto 16px;
        }
        .hero p {
            font-size: 1.1rem;
            opacity: 0.92;
            max-width: 680px;
            margin: 0 auto 20px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            font-size: 0.9rem;
            opacity: 0.85;
        }
        @media (min-width: 640px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            .hero {
                padding: 64px 20px 52px;
            }
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding: 32px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        @media (min-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        .content-area {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary);
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid var(--neutral-100);
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
        }
        .content-area h2 {
            font-size: 1.7rem;
            margin: 36px 0 16px;
            color: var(--primary-dark);
            border-left: 5px solid var(--accent);
            padding-left: 16px;
        }
        .content-area h2:first-of-type {
            margin-top: 0;
        }
        .content-area h3 {
            font-size: 1.3rem;
            margin: 28px 0 12px;
            color: var(--neutral-700);
        }
        .content-area h4 {
            font-size: 1.1rem;
            margin: 20px 0 10px;
            color: var(--neutral-500);
            font-weight: 600;
        }
        .content-area p {
            margin-bottom: 16px;
            font-size: 1rem;
            color: #2d2d44;
        }
        .content-area ul,
        .content-area ol {
            margin: 12px 0 20px 24px;
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .content-area blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--neutral-700);
        }
        .content-area .highlight-box {
            background: var(--primary-light);
            border-radius: var(--radius);
            padding: 18px 20px;
            margin: 20px 0;
            border: 1px solid #c8e6c9;
        }
        .content-area .highlight-box strong {
            color: var(--primary-dark);
        }
        .content-area img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .content-area .caption {
            font-size: 0.85rem;
            color: var(--neutral-500);
            text-align: center;
            margin-top: -16px;
            margin-bottom: 24px;
        }
        .content-area .link-group {
            background: var(--neutral-100);
            border-radius: var(--radius);
            padding: 16px 20px;
            margin: 20px 0;
            border-left: 4px solid var(--primary);
        }
        .content-area .link-group a {
            display: inline-block;
            margin: 4px 0;
        }
        .content-area .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin: 20px 0;
        }
        @media (min-width: 480px) {
            .content-area .stat-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .content-area .stat-card {
            background: var(--primary-light);
            padding: 16px;
            border-radius: var(--radius);
            text-align: center;
        }
        .content-area .stat-card .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
        }
        .content-area .stat-card .label {
            font-size: 0.8rem;
            color: var(--neutral-500);
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 24px 0 16px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid var(--neutral-300);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 122, 46, 0.15);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .comment-section,
        .rating-section {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 2px solid var(--neutral-300);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid var(--neutral-300);
            border-radius: 8px;
            font-size: 1rem;
            font-family: var(--font-sans);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 122, 46, 0.12);
        }
        .comment-form .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border: 2px solid var(--neutral-300);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }
        .comment-form .form-row input:focus {
            border-color: var(--primary);
        }
        .comment-form button {
            padding: 10px 28px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 12px;
        }
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 12px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--neutral-300);
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
        }
        .rating-score {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .rating-score button {
            padding: 10px 28px;
            background: var(--accent);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-score button:hover {
            background: #e67e00;
        }
        .site-footer {
            background: var(--neutral-900);
            color: var(--neutral-300);
            padding: 40px 20px 24px;
            margin-top: 48px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }
        @media (min-width: 640px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 992px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-inner h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: var(--neutral-400);
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner ul li {
            padding: 4px 0;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 8px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: var(--primary);
            color: var(--white);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--neutral-500);
        }
        .footer-bottom .copyright {
            margin-bottom: 6px;
        }
        @media (max-width: 480px) {
            .content-area {
                padding: 20px 16px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-area h2 {
                font-size: 1.3rem;
            }
            .content-area h3 {
                font-size: 1.1rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr !important;
            }
        }
        @media (min-width: 768px) and (max-width: 991px) {
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .content-area>* {
            animation: fadeUp 0.5s ease forwards;
        }
        .content-area>*:nth-child(2) {
            animation-delay: 0.05s;
        }
        .content-area>*:nth-child(3) {
            animation-delay: 0.1s;
        }
        .content-area>*:nth-child(4) {
            animation-delay: 0.15s;
        }
        .content-area>*:nth-child(5) {
            animation-delay: 0.2s;
        }
        .content-area>*:nth-child(6) {
            animation-delay: 0.25s;
        }