*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a6b3c;
            --primary-dark: #0f4a28;
            --primary-light: #2e8b57;
            --accent: #ffd700;
            --accent-dark: #e6c200;
            --bg: #fafaf6;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #4a4a4a;
            --text-muted: #6b6b6b;
            --border: #ddd;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: var(--header-height);
        }
        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);
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: var(--primary-dark);
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid var(--accent);
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            color: var(--text-light);
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: var(--bg-card);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            transition: box-shadow 0.3s;
        }
        header:hover {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            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);
        }
        .my-logo span {
            font-weight: 300;
            color: var(--text-muted);
            font-size: 0.75rem;
            display: block;
            line-height: 1.1;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-light);
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .nav-list li a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f0f0f0;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--text);
            border-radius: 4px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .breadcrumb {
            padding: 12px 0 4px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 6px;
            font-size: 0.65rem;
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 70%, var(--primary-light) 100%);
            color: #fff;
            padding: 48px 24px 40px;
            border-radius: var(--radius);
            margin: 16px 0 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 30px;
            box-shadow: 0 8px 32px rgba(26, 107, 60, 0.25);
        }
        .hero-text {
            flex: 1 1 320px;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            margin: 0 0 12px;
            color: #fff;
        }
        .hero-text h1 i {
            color: var(--accent);
        }
        .hero-text p {
            font-size: 1.1rem;
            opacity: 0.92;
            margin-bottom: 20px;
        }
        .hero-text .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }
        .hero-img {
            flex: 0 0 280px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            background: #fff;
            padding: 8px;
        }
        .hero-img img {
            border-radius: calc(var(--radius) - 4px);
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .search-section {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            margin-bottom: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }
        .search-section label {
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form {
            display: flex;
            flex: 1 1 300px;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin-bottom: 48px;
        }
        .main-article {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 36px;
            box-shadow: var(--shadow);
        }
        .main-article p {
            font-size: 1.02rem;
        }
        .main-article .highlight {
            background: #f9f3d9;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .main-article .insight-box {
            background: #f0f7f0;
            border-left: 6px solid var(--primary);
            padding: 18px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .main-article .insight-box i {
            color: var(--primary);
            margin-right: 10px;
        }
        .main-article .stat-badge {
            display: inline-block;
            background: var(--primary-dark);
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .sidebar-card ul li a i {
            margin-right: 8px;
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .feedback-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.3s;
        }
        .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 button {
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: var(--accent);
            transform: scale(1.1);
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            margin: 32px 0 16px;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        friend-link .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 12px;
            margin-top: 16px;
        }
        friend-link .link-grid a {
            padding: 8px 14px;
            background: #f5f9f5;
            border-radius: 8px;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .link-grid a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        footer {
            background: var(--primary-dark);
            color: #ddd;
            padding: 28px 24px 20px;
            border-radius: var(--radius) var(--radius) 0 0;
            margin-top: 40px;
            text-align: center;
        }
        footer .copyright {
            font-size: 0.85rem;
            opacity: 0.85;
        }
        footer .copyright a {
            color: var(--accent);
        }
        footer .footer-logos {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        footer .footer-logos a {
            color: #ccc;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        footer .footer-logos a:hover {
            color: var(--accent);
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                flex-direction: column;
                text-align: center;
                padding: 32px 20px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-img {
                flex: 0 0 auto;
                max-width: 320px;
            }
            .main-article {
                padding: 20px 18px;
            }
        }
        @media (max-width: 700px) {
            :root {
                --header-height: 60px;
            }
            header {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo span {
                font-size: 0.6rem;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--bg-card);
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                border-radius: 0 0 var(--radius) var(--radius);
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 1rem;
            }
            .hamburger {
                display: flex;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .search-section {
                padding: 16px 18px;
                flex-direction: column;
                align-items: stretch;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .sidebar-card {
                padding: 16px;
            }
            .feedback-card {
                padding: 16px 18px;
            }
            friend-link {
                padding: 16px 18px;
            }
            friend-link .link-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
            footer {
                padding: 20px 16px 14px;
            }
        }
        @media (max-width: 420px) {
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-img {
                max-width: 100%;
            }
            .main-article {
                padding: 14px 12px;
            }
            .feedback-grid {
                gap: 16px;
            }
            .star-rating label {
                font-size: 1.4rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: calc(var(--header-height) + 16px);
        }