:root {
            --wordle-green: #6aaa64;
            --wordle-yellow: #c9b458;
            --wordle-gray: #787c7e;
            --dark: #1a1a2e;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --text-primary: #212529;
            --text-secondary: #495057;
            --border-color: #dee2e6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--light-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--wordle-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4a8a44;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 3px solid var(--wordle-green);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--wordle-green);
            text-decoration: none;
        }
        .my-logo .logo-icon {
            font-size: 2rem;
            color: var(--wordle-green);
        }
        .my-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--wordle-gray);
            letter-spacing: 0.3px;
            display: block;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--wordle-green);
            color: var(--white);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 28px;
            height: 3px;
            background: var(--dark);
            border-radius: 4px;
            transition: var(--transition);
        }
        .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-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 8px;
            color: var(--wordle-gray);
            font-weight: 600;
        }
        .breadcrumb a {
            color: var(--wordle-gray);
        }
        .breadcrumb a:hover {
            color: var(--wordle-green);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #f0f7ee 0%, #e6f0e3 100%);
            padding: 50px 0 40px;
            border-bottom: 2px solid var(--wordle-green);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .hero h1 span {
            color: var(--wordle-green);
        }
        .hero .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 20px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 0.9rem;
            color: var(--wordle-gray);
        }
        .hero-meta i {
            margin-right: 6px;
        }
        .last-updated {
            background: var(--wordle-green);
            color: var(--white) !important;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            padding: 48px 0;
        }
        .main-content {
            min-width: 0;
        }
        .main-content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 48px 0 18px;
            color: var(--dark);
            border-left: 6px solid var(--wordle-green);
            padding-left: 18px;
        }
        .main-content h2:first-of-type {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 32px 0 14px;
            color: var(--text-primary);
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--text-secondary);
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: var(--text-secondary);
        }
        .main-content p strong {
            color: var(--dark);
            font-weight: 600;
        }
        .main-content ul,
        .main-content ol {
            margin: 16px 0 24px 24px;
            font-size: 1.05rem;
            color: var(--text-secondary);
        }
        .main-content li {
            margin-bottom: 8px;
        }
        .feature-box {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            margin: 32px 0;
            border-left: 4px solid var(--wordle-yellow);
        }
        .feature-box h4 {
            margin-top: 0;
            color: var(--dark);
        }
        .insight-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 28px 0;
            border: 1px solid var(--border-color);
        }
        .content-img {
            margin: 36px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .content-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .content-img figcaption {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: var(--wordle-gray);
            background: var(--white);
            border-radius: 0 0 var(--radius) var(--radius);
            border: 1px solid var(--border-color);
            border-top: none;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 28px;
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark);
            border-bottom: 2px solid var(--wordle-green);
            padding-bottom: 10px;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            margin-bottom: 10px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            background: var(--light-bg);
            font-size: 0.95rem;
            transition: var(--transition);
            color: var(--text-secondary);
        }
        .sidebar-links a:hover {
            background: var(--wordle-green);
            color: var(--white);
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar-links a i {
            width: 20px;
            color: var(--wordle-gray);
        }
        .sidebar-links a:hover i {
            color: var(--white);
        }
        .search-box {
            display: flex;
            gap: 0;
            margin: 18px 0;
        }
        .search-box input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
            background: var(--white);
        }
        .search-box input:focus {
            border-color: var(--wordle-green);
        }
        .search-box button {
            padding: 12px 24px;
            background: var(--wordle-green);
            color: var(--white);
            border: none;
            border-radius: 0 30px 30px 0;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #4a8a44;
        }
        .interaction-area {
            margin: 48px 0;
            padding: 32px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .interaction-area h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            font-size: 1rem;
            font-family: var(--font-sans);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--wordle-green);
        }
        .comment-form .form-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 14px;
        }
        .comment-form .form-row input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border-color);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
            min-width: 180px;
        }
        .comment-form .form-row input:focus {
            border-color: var(--wordle-green);
        }
        .comment-form .btn-submit {
            padding: 12px 32px;
            background: var(--wordle-green);
            color: var(--white);
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form .btn-submit:hover {
            background: #4a8a44;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            margin: 16px 0;
            font-size: 2rem;
            color: #e0e0e0;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars i {
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i:hover~i {
            color: var(--wordle-yellow);
            transform: scale(1.15);
        }
        .rating-stars .fa-star.active {
            color: var(--wordle-yellow);
        }
        .site-footer {
            background: var(--dark);
            color: #adb5bd;
            padding: 48px 0 24px;
            margin-top: 48px;
            border-top: 4px solid var(--wordle-green);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col p {
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .footer-col a {
            color: #adb5bd;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--wordle-green);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            margin: 4px 6px 4px 0;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: var(--wordle-green);
            color: var(--white) !important;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
        }
        .footer-bottom .copyright {
            color: #6c757d;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 16px 0 8px;
                gap: 4px;
                border-top: 1px solid var(--border-color);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero .subtitle {
                font-size: 1rem;
            }
            .header-inner {
                padding: 12px 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .content-wrapper {
                padding: 24px 0;
            }
            .main-content h2 {
                font-size: 1.6rem;
            }
            .main-content h3 {
                font-size: 1.25rem;
            }
            .interaction-area {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-meta {
                flex-direction: column;
                gap: 12px;
            }
            .feature-box {
                padding: 20px;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: auto;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .main-content p {
                font-size: 0.98rem;
            }
            .sidebar-card {
                padding: 16px;
            }
            .search-box input {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .search-box button {
                padding: 10px 16px;
                font-size: 0.9rem;
            }
        }
        .text-green {
            color: var(--wordle-green);
        }
        .text-yellow {
            color: var(--wordle-yellow);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .align-center {
            align-items: center;
        }