* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4a7a;
            --accent: #f0c040;
            --accent-hover: #e0b030;
            --bg: #f5f7fa;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #555;
            --border: #dde3ed;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        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-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary);
            color: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: var(--accent);
            padding: 6px 18px;
            border-radius: 8px;
            text-decoration: none;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
            color: #fff;
        }
        .my-logo span {
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #eef;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent);
            text-decoration: none;
        }
        nav a.active {
            background: var(--accent);
            color: var(--primary);
        }
        .breadcrumb {
            padding: 12px 0 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a:hover {
            color: var(--accent-hover);
        }
        .breadcrumb span {
            margin: 0 4px;
        }
        main {
            padding: 30px 0 50px;
        }
        .page-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 40px 36px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary);
            margin-bottom: 10px;
            border-left: 6px solid var(--accent);
            padding-left: 20px;
        }
        h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 48px;
            margin-bottom: 18px;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.08rem;
            font-weight: 600;
            color: #1a3a5a;
            margin-top: 22px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 16px;
            text-align: justify;
        }
        .lead {
            font-size: 1.12rem;
            color: var(--text-light);
            margin-bottom: 24px;
            font-weight: 400;
        }
        .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .meta-line i {
            margin-right: 6px;
        }
        .featured-img {
            margin: 28px 0 32px;
            border-radius: var(--radius);
            overflow: hidden;
            background: #eef;
        }
        .featured-img img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-img figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: #f0f2f6;
            font-style: italic;
        }
        .highlight-box {
            background: #fdf8ed;
            border-left: 5px solid var(--accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }
        ul,
        ol {
            margin: 12px 0 20px 24px;
        }
        li {
            margin-bottom: 6px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }
        th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f8f9fc;
        }
        .search-section {
            background: var(--primary);
            color: #fff;
            padding: 28px 32px;
            border-radius: var(--radius);
            margin: 40px 0 30px;
        }
        .search-section h2 {
            color: #fff;
            border-bottom-color: var(--accent);
            margin-top: 0;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1 1 240px;
            padding: 12px 18px;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1a1a2e;
        }
        .search-form button {
            padding: 12px 32px;
            border: none;
            border-radius: 30px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }
        .search-form button:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin: 36px 0 20px;
        }
        .comment-section,
        .score-section {
            background: #f8f9fc;
            padding: 24px 26px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .comment-section h3,
        .score-section h3 {
            margin-top: 0;
        }
        .feedback-grid form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-grid input,
        .feedback-grid textarea,
        .feedback-grid select {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            background: #fff;
            transition: border 0.2s;
        }
        .feedback-grid input:focus,
        .feedback-grid textarea:focus,
        .feedback-grid select:focus {
            border-color: var(--primary-light);
            outline: none;
        }
        .feedback-grid textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-grid button {
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
            align-self: flex-start;
        }
        .feedback-grid button:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        friend-link {
            display: block;
            background: #f0f2f6;
            padding: 20px 24px;
            border-radius: var(--radius);
            margin: 36px 0 20px;
            border: 1px solid var(--border);
        }
        friend-link::before {
            content: "🔗 Friend Links";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 12px;
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border);
            font-size: 0.9rem;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: var(--accent);
            border-color: var(--accent);
            text-decoration: none;
            color: var(--primary);
        }
        footer {
            background: var(--primary);
            color: #ccd;
            padding: 28px 0 22px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        footer .container {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        footer a {
            color: var(--accent);
        }
        footer a:hover {
            color: #fff;
        }
        @media (max-width: 820px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .page-card {
                padding: 24px 18px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .header-inner {
                gap: 10px;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(0, 0, 0, 0.25);
                padding: 12px 0;
                border-radius: 10px;
                margin-top: 6px;
            }
            nav.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 4px 14px;
            }
            .search-section {
                padding: 20px 18px;
            }
            .search-form input {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
            }
            .meta-line {
                font-size: 0.8rem;
                gap: 10px;
            }
        }
        @media (max-width: 480px) {
            .page-card {
                padding: 16px 12px;
            }
            h1 {
                font-size: 1.5rem;
                padding-left: 10px;
            }
            h2 {
                font-size: 1.2rem;
            }
            .highlight-box {
                padding: 12px 16px;
            }
            table {
                font-size: 0.8rem;
            }
            th,
            td {
                padding: 8px 6px;
            }
            .feedback-grid {
                gap: 16px;
            }
            .comment-section,
            .score-section {
                padding: 16px 14px;
            }
        }
        .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);
            transition: background 0.2s, transform 0.2s;
            z-index: 90;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
        }