*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2d5a27;
            --primary-light: #4a8c42;
            --primary-dark: #1a3a16;
            --accent: #f4a261;
            --accent-light: #f8c48a;
            --bg: #faf9f6;
            --bg-card: #ffffff;
            --text: #2c2c2c;
            --text-light: #5a5a5a;
            --border: #e0e0d8;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }
        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;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f0f0eb;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .main-nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            position: relative;
            padding: 4px 0;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: var(--primary);
        }
        .breadcrumb {
            background: #f0efea;
            padding: 10px 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .hero {
            padding: 48px 0 32px;
            background: linear-gradient(135deg, #f0f7ee 0%, #e4efe0 100%);
            border-bottom: 1px solid var(--border);
        }
        .hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 780px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 18px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .hero-meta i {
            margin-right: 6px;
            color: var(--primary);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            padding: 40px 0 60px;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary-dark);
            border-bottom: 2px solid var(--accent-light);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card li a i {
            color: var(--accent);
            font-size: 0.75rem;
        }
        .section {
            margin-bottom: 48px;
        }
        .section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent-light);
            display: inline-block;
        }
        .section h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .section h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 20px;
            margin-bottom: 8px;
        }
        .section p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .section ul,
        .section ol {
            margin: 12px 0 20px 24px;
        }
        .section li {
            margin-bottom: 8px;
        }
        .section .highlight-box {
            background: #f5f9f4;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
        }
        .section .highlight-box strong {
            color: var(--primary-dark);
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            padding: 12px 16px;
            background: var(--bg-card);
            font-size: 0.85rem;
            color: var(--text-light);
            border: 1px solid var(--border);
            border-top: 0;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 24px 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
            background: var(--bg-card);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .feedback-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-top: 40px;
        }
        .feedback-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feedback-card {
            background: var(--bg);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--border);
        }
        .feedback-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: var(--bg-card);
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.4rem;
            color: #ddd;
            cursor: pointer;
        }
        .feedback-card .star-select i {
            transition: color 0.2s;
        }
        .feedback-card .star-select i.active,
        .feedback-card .star-select i:hover {
            color: var(--accent);
        }
        .feedback-card .btn-submit {
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-light);
        }
        .site-footer {
            background: var(--primary-dark);
            color: #e8e8e0;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .site-footer a {
            color: #c8dcc6;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-links li a i {
            font-size: 0.7rem;
        }
        friend-link {
            display: block;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--accent-light);
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #aaa;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border);
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 8px 0;
            }
            .main-nav a::after {
                display: none;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .search-form input {
                min-width: 140px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section h2 {
                font-size: 1.4rem;
            }
            .section h3 {
                font-size: 1.15rem;
            }
            .feedback-section {
                padding: 20px;
            }
            .feedback-card {
                padding: 16px;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .gap-4 {
            gap: 4px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }