* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2b5a1e;
            --primary-light: #4a8a3a;
            --primary-dark: #1a3d12;
            --accent: #f5c542;
            --accent-light: #ffe082;
            --bg: #f9f7f2;
            --bg-card: #ffffff;
            --text: #1e2a1a;
            --text-light: #4a5a42;
            --border: #d4cfc4;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --radius-sm: 8px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-bg: linear-gradient(145deg, #1a3d12 0%, #2b5a1e 100%);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1.05rem;
            -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-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--header-bg);
            color: #fff;
            padding: 0 0 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2.2rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--accent-light);
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.85rem;
            opacity: 0.8;
            display: block;
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e8f0e0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap {
            padding: 6px 20px 2px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 10px;
            font-size: 0.82rem;
            color: #c5d5b8;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li {
            display: inline;
        }
        .breadcrumb a {
            color: #c5d5b8;
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: none;
        }
        .breadcrumb .sep {
            color: #7a9a6a;
        }
        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #2b5a1e 0%, #4a8a3a 100%);
            color: #fff;
            padding: 60px 20px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "SCRABBLE";
            position: absolute;
            right: -5%;
            top: -20%;
            font-size: 28vw;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
            letter-spacing: 12px;
            line-height: 1;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.15;
            position: relative;
            z-index: 1;
        }
        .hero h1 i {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 16px auto 0;
            opacity: 0.92;
            position: relative;
            z-index: 1;
            font-weight: 300;
        }
        .hero .badge {
            display: inline-block;
            background: var(--accent);
            color: #1a3d12;
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media(max-width:960px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .content-article h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .content-article h2 i {
            color: var(--primary-light);
            margin-right: 10px;
        }
        .content-article h3 {
            font-size: 1.45rem;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .content-article h3 i {
            color: var(--accent);
            margin-right: 8px;
            font-size: 1.2rem;
        }
        .content-article h4 {
            font-size: 1.15rem;
            color: var(--text);
            margin-top: 20px;
            margin-bottom: 8px;
            font-weight: 600;
            padding-left: 12px;
            border-left: 4px solid var(--accent);
        }
        .content-article p {
            margin-bottom: 18px;
            color: var(--text-light);
        }
        .content-article strong {
            color: var(--primary-dark);
            font-weight: 600;
        }
        .content-article ul,
        .content-article ol {
            margin-bottom: 20px;
            padding-left: 24px;
            color: var(--text-light);
        }
        .content-article li {
            margin-bottom: 8px;
        }
        .content-article .highlight-box {
            background: var(--bg-card);
            border-left: 5px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .content-article .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .content-article .feature-img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .content-article .feature-img figcaption {
            text-align: center;
            font-size: 0.88rem;
            color: var(--text-light);
            margin-top: 8px;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0ede6;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card a i {
            color: var(--primary-light);
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            width: 100%;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0 24px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        @media(max-width:640px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: var(--accent);
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card label {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: border 0.2s;
            background: #fff;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: var(--primary-light);
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .feedback-card .star-select i {
            transition: color 0.15s;
        }
        .feedback-card .star-select i:hover,
        .feedback-card .star-select i:hover~i {
            color: var(--accent);
        }
        .feedback-card .star-select input {
            display: none;
        }
        .feedback-card .star-select label {
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.15s;
            padding: 0 2px;
        }
        .feedback-card .star-select label:hover,
        .feedback-card .star-select label:hover~label {
            color: var(--accent);
        }
        .feedback-card .star-select input:checked~label {
            color: var(--accent);
        }
        .feedback-card .btn-submit {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
        }
        .feedback-card .btn-submit:hover {
            background: var(--primary-light);
            transform: scale(1.01);
        }
        .feedback-card .btn-submit i {
            font-size: 0.9rem;
        }
        .site-footer {
            background: var(--primary-dark);
            color: #d4e0cc;
            padding: 40px 20px 20px;
            margin-top: 48px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 36px;
        }
        @media(max-width:720px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-inner p,
        .footer-inner li {
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
        }
        .footer-inner li {
            padding: 4px 0;
        }
        .footer-inner a {
            color: #c5d5b8;
        }
        .footer-inner a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 28px auto 0;
            padding-top: 16px;
            border-top: 1px solid #3a5a2e;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: #9ab58a;
        }
        .footer-bottom a {
            color: #c5d5b8;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            margin-top: 8px;
            font-size: 0.92rem;
        }
        friend-link a {
            color: #c5d5b8;
            display: inline-block;
            margin-right: 16px;
            padding: 2px 0;
        }
        friend-link a:hover {
            color: #fff;
        }
        @media(max-width:768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo span {
                font-size: 0.7rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 4px;
                gap: 2px;
                background: rgba(0, 0, 0, 0.15);
                border-radius: var(--radius-sm);
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 18px;
                width: 100%;
                border-radius: 0;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-article h2 {
                font-size: 1.6rem;
            }
            .content-article h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                order: 2;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 40px 14px 36px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-article h2 {
                font-size: 1.35rem;
            }
            .content-article h3 {
                font-size: 1.1rem;
            }
            .feedback-card {
                padding: 20px 16px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
                padding: 12px;
            }
        }
        .scroll-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: 1.3rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: all 0.2s;
            border: none;
            z-index: 50;
            opacity: 0;
            pointer-events: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }