*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2d5a3d;
            --primary-light: #3d7a52;
            --primary-dark: #1d3a27;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --bg: #f5f3ee;
            --bg-card: #ffffff;
            --text: #2c2c2c;
            --text-light: #5a5a5a;
            --border: #ddd6cc;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }
        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(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary-dark);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, #fff, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            color: var(--accent-light);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 4px;
        }
        .nav-list li a {
            color: rgba(255, 255, 255, 0.9);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
        }
        .nav-list li a.active {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 28px;
            height: 3px;
            background: #fff;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.88rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--text-light);
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.92;
            max-width: 760px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .hero .meta {
            font-size: 0.95rem;
            opacity: 0.75;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-main {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 40px;
            box-shadow: var(--shadow);
        }
        .content-main h2 {
            font-size: 1.9rem;
            color: var(--primary-dark);
            margin: 40px 0 16px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        .content-main h2:first-child {
            margin-top: 0;
        }
        .content-main h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin: 28px 0 12px;
        }
        .content-main h4 {
            font-size: 1.15rem;
            color: var(--text);
            margin: 20px 0 10px;
            font-weight: 600;
        }
        .content-main p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .content-main ul,
        .content-main ol {
            margin: 12px 0 20px 24px;
            color: var(--text);
        }
        .content-main li {
            margin-bottom: 8px;
        }
        .content-main .highlight-box {
            background: #f9f6ef;
            border-left: 4px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .content-main .highlight-box strong {
            color: var(--primary-dark);
        }
        .content-main .stat-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
        }
        .content-main .emoji-lg {
            font-size: 1.3rem;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #eee;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .featured-image figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            background: var(--bg-card);
            border-top: 1px solid var(--border);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 22px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a i {
            color: var(--accent);
            font-size: 0.85rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-section,
        .rating-section {
            margin-top: 32px;
            padding-top: 28px;
            border-top: 2px solid var(--border);
        }
        .comment-section h3,
        .rating-section h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.2s;
            margin-bottom: 12px;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--primary);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
        }
        .comment-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            margin-bottom: 14px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: var(--border);
            cursor: pointer;
            transition: color 0.2s, transform 0.1s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--accent);
        }
        .rating-stars label:hover {
            transform: scale(1.15);
        }
        .rating-form button {
            padding: 10px 24px;
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rating-form button:hover {
            background: var(--accent-light);
        }
        friend-link {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        friend-link h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            list-style: none;
        }
        friend-link .friend-list li a {
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        friend-link .friend-list li a:hover {
            color: var(--accent);
        }
        friend-link .friend-list li a i {
            font-size: 0.8rem;
            color: var(--accent);
        }
        footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 36px 0 28px;
            margin-top: 40px;
        }
        footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        footer .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        footer .copyright i {
            margin-right: 4px;
        }
        footer .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            margin-left: 20px;
            font-size: 0.9rem;
        }
        footer .footer-links a:hover {
            color: var(--accent-light);
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            .content-main {
                padding: 28px 24px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary-dark);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                display: none;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 12px 16px;
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-main {
                padding: 20px 16px;
            }
            .content-main h2 {
                font-size: 1.5rem;
            }
            .content-main h3 {
                font-size: 1.2rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            footer .container {
                flex-direction: column;
                text-align: center;
            }
            footer .footer-links a {
                margin: 0 10px;
            }
            .breadcrumb .container {
                font-size: 0.82rem;
            }
            .hero .meta {
                flex-direction: column;
                gap: 6px;
            }
            friend-link .friend-list {
                flex-direction: column;
                gap: 8px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .content-main {
                padding: 16px 12px;
            }
            .sidebar-card {
                padding: 18px 16px;
            }
            friend-link {
                padding: 20px 16px;
            }
        }
        .featured-image img {
            transition: opacity 0.4s;
        }
        .featured-image img[loading="lazy"] {
            opacity: 0;
        }
        .featured-image img[loading="lazy"].loaded,
        .featured-image img:not([loading="lazy"]) {
            opacity: 1;
        }
        @media print {
            header,
            .breadcrumb,
            .sidebar,
            .comment-section,
            .rating-section,
            friend-link,
            footer {
                display: none !important;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-main {
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }