*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a5632;
            --primary-light: #2d8a4e;
            --primary-dark: #0e3a20;
            --secondary: #f5a623;
            --secondary-light: #ffd166;
            --accent: #e74c3c;
            --bg: #f9fbf7;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --text-white: #f0f7f0;
            --border: #d4e4d4;
            --shadow: 0 4px 20px rgba(26, 86, 50, 0.10);
            --radius: 12px;
            --radius-sm: 8px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-bg: linear-gradient(135deg, #0e3a20 0%, #1a5632 50%, #2d8a4e 100%);
            --star-color: #f5a623;
            --star-empty: #ddd;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--header-bg);
            color: var(--text-white);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
        }
        .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: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: var(--secondary-light);
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--secondary);
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.9rem;
            opacity: 0.8;
            display: block;
            font-size: 0.65rem;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.88);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a.active {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .breadcrumb-wrap {
            background: #eef5ee;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 0.88rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--text-light);
            margin: 0 6px;
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
            padding: 50px 20px 40px;
            text-align: center;
            border-bottom: 4px solid var(--primary-light);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero .meta-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .hero .meta-info i {
            color: var(--primary-light);
            margin-right: 6px;
        }
        .search-section {
            background: var(--bg-card);
            padding: 28px 20px;
            box-shadow: var(--shadow);
            border-bottom: 1px solid var(--border);
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: #fafcfa;
        }
        .search-form input[type="text"]:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(26, 86, 50, 0.10);
        }
        .search-form button {
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px 60px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 14px;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
            display: inline-block;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
        }
        .sidebar-links li {
            margin-bottom: 8px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: #f5f9f5;
            transition: all 0.2s;
            font-size: 0.92rem;
        }
        .sidebar-links a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar-links a i {
            width: 20px;
            color: var(--primary-light);
        }
        .sidebar-links a:hover i {
            color: var(--secondary);
        }
        .article-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 32px;
        }
        .article-section h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 18px;
            line-height: 1.3;
            border-left: 5px solid var(--secondary);
            padding-left: 16px;
        }
        .article-section h2 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .article-section h3 {
            font-size: 1.45rem;
            color: var(--primary);
            margin: 28px 0 14px;
            line-height: 1.3;
        }
        .article-section h3 i {
            color: var(--secondary);
            margin-right: 8px;
            font-size: 1.1rem;
        }
        .article-section h4 {
            font-size: 1.15rem;
            color: var(--primary-dark);
            margin: 20px 0 10px;
            font-weight: 600;
        }
        .article-section p {
            margin-bottom: 18px;
            color: var(--text);
            font-size: 1.02rem;
        }
        .article-section .highlight {
            background: #f0f8f0;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .article-section .insight-box {
            background: #fef9e7;
            border-left: 4px solid var(--secondary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
        .article-section .insight-box strong {
            color: var(--primary-dark);
        }
        .article-section .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .article-section .stat-card {
            background: #f5f9f5;
            padding: 18px 14px;
            border-radius: var(--radius-sm);
            text-align: center;
            border: 1px solid var(--border);
        }
        .article-section .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .article-section .stat-card .label {
            font-size: 0.88rem;
            color: var(--text-light);
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #eef5ee;
            text-align: center;
        }
        .featured-image img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.88rem;
            color: var(--text-light);
            background: #f5f9f5;
            border-top: 1px solid var(--border);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 30px 0;
        }
        .feedback-card {
            background: #fafcfa;
            padding: 22px 20px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .feedback-card h4 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(26, 86, 50, 0.08);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            font-size: 0.95rem;
        }
        .feedback-card button:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .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: var(--star-empty);
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--star-color);
            transform: scale(1.1);
        }
        .rating-display {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 6px;
        }
        .rating-display .stars {
            color: var(--star-color);
            font-size: 1.2rem;
            letter-spacing: 2px;
        }
        .rating-display .avg {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-white);
            padding: 40px 20px 20px;
            border-top: 4px solid var(--secondary);
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }
        .footer-inner h4 {
            color: var(--secondary-light);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 6px;
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.92rem;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 8px 0 0;
            display: inline-block;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .copyright strong {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 28px 16px 40px;
            }
            .sidebar {
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(0, 0, 0, 0.20);
                border-radius: var(--radius-sm);
                padding: 12px 8px;
                margin-top: 10px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 6px;
                width: 100%;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-section {
                padding: 20px 16px;
            }
            .article-section h2 {
                font-size: 1.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero .meta-info {
                flex-direction: column;
                gap: 6px;
                font-size: 0.85rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .breadcrumb-wrap {
                font-size: 0.78rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary);
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.20);
            transition: all 0.3s;
            border: none;
            z-index: 900;
            opacity: 0;
            visibility: hidden;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
        }
        @media print {
            .site-header,
            .search-section,
            .sidebar,
            .feedback-grid,
            .scroll-top,
            .nav-toggle {
                display: none !important;
            }
            .main-grid {
                display: block;
            }
            .article-section {
                box-shadow: none;
                border: 1px solid #ddd;
                break-inside: avoid;
            }
            .hero {
                background: #f5f5f5;
                padding: 20px;
            }
        }