*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f0f4f0;
            color: #1a1a2e;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #1a6b4a;
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover {
            color: #f0a500;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        :root {
            --primary: #1a3a2a;
            --primary-light: #2d6a4f;
            --primary-dark: #0d1f17;
            --accent: #f0a500;
            --accent-hover: #d49400;
            --bg: #f0f4f0;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a5a;
            --text-white: #f8f9fa;
            --border: #d0dcd0;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --radius-sm: 8px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: var(--text-white);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity 0.3s;
        }
        .my-logo:hover {
            opacity: 0.9;
            color: var(--accent);
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #fff;
        }
        .my-logo span {
            font-weight: 300;
            color: #fff;
            font-size: 0.75rem;
            letter-spacing: 2px;
            display: block;
            margin-top: -4px;
        }
        .logo-sub {
            font-size: 0.65rem;
            opacity: 0.7;
            letter-spacing: 1px;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: rgba(240, 165, 0, 0.2);
            color: var(--accent);
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            opacity: 0.4;
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--accent);
        }
        .hero {
            background: linear-gradient(135deg, #0d1f17 0%, #1a3a2a 50%, #2d6a4f 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 24px;
            opacity: 0.85;
            line-height: 1.6;
        }
        .hero .badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            padding: 6px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .hero .badge i {
            margin-right: 6px;
        }
        .hero .update-info {
            margin-top: 20px;
            font-size: 0.85rem;
            opacity: 0.6;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-area {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 36px 40px;
        }
        .content-area h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .content-area h2:first-child {
            margin-top: 0;
        }
        .content-area h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .content-area h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 10px;
        }
        .content-area p {
            margin-bottom: 16px;
            color: var(--text-light);
        }
        .content-area strong {
            color: var(--primary);
            font-weight: 600;
        }
        .content-area ul,
        .content-area ol {
            margin-bottom: 20px;
            color: var(--text-light);
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .content-area .highlight-box {
            background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
            border-left: 5px solid var(--accent);
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }
        .content-area .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .content-area .code-block {
            background: #1a1a2e;
            color: #e0e0e0;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            margin: 16px 0 24px;
            border-left: 4px solid var(--accent);
        }
        .content-area .code-block .comment {
            color: #6a9955;
        }
        .content-area .code-block .keyword {
            color: #569cd6;
        }
        .content-area .code-block .string {
            color: #ce9178;
        }
        .content-area .emoji-big {
            font-size: 1.8rem;
            margin-right: 8px;
        }
        .content-area .image-wrapper {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: #e8ece8;
        }
        .content-area .image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .content-area .image-wrapper .caption {
            padding: 12px 20px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f8faf8;
            font-style: italic;
        }
        .content-area .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .content-area .stat-card {
            background: var(--bg);
            padding: 20px 16px;
            border-radius: var(--radius-sm);
            text-align: center;
            border: 1px solid var(--border);
        }
        .content-area .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .content-area .stat-card .label {
            font-size: 0.8rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .content-area .tip-card {
            background: #fff8e1;
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            margin: 20px 0;
            border: 1px solid #ffe082;
        }
        .content-area .tip-card .tip-title {
            font-weight: 700;
            color: #e65100;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 20px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.3s;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: background 0.3s;
            font-size: 1rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.3s;
            background: var(--bg);
        }
        .comment-form textarea:focus {
            border-color: var(--accent);
            outline: none;
        }
        .comment-form input[type="text"] {
            width: 100%;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.9rem;
            margin-top: 10px;
            transition: border 0.3s;
            background: var(--bg);
        }
        .comment-form input[type="text"]:focus {
            border-color: var(--accent);
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            margin-top: 10px;
        }
        .comment-form .form-row input {
            flex: 1;
            margin-top: 0;
        }
        .comment-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.3s;
            margin-top: 12px;
            font-weight: 600;
        }
        .comment-form button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin: 12px 0 8px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.6rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars input:checked~label,
        .rating-stars label:hover,
        .rating-stars label:hover~label {
            color: var(--accent);
        }
        .friend-links-section {
            background: var(--primary);
            color: #fff;
            padding: 40px 0;
        }
        .friend-links-section h2 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            transition: color 0.3s;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
        }
        friend-link a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 24px 0;
            text-align: center;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer .copyright {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 20px;
            align-items: center;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }
        .site-footer a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .content-area {
                padding: 28px 24px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 8px;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 10px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-area {
                padding: 20px 18px;
            }
            .content-area h2 {
                font-size: 1.5rem;
            }
            .content-area h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.7rem;
                padding: 6px 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr !important;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero .badge {
                font-size: 0.7rem;
                padding: 4px 14px;
            }
            .content-area {
                padding: 16px 14px;
            }
            .content-area h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo span {
                font-size: 0.6rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
                padding: 10px;
            }
            .comment-form .form-row {
                flex-direction: column;
                gap: 8px;
            }
            .stats-grid {
                grid-template-columns: 1fr !important;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .schema-hidden {
            display: none;
        }
        .back-to-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: 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: all 0.3s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .back-to-top:hover {
            background: var(--accent);
            color: #1a1a2e;
            transform: translateY(-4px);
        }
        @media (max-width: 768px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }