*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f8f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.35rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
            color: #0f172a;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.7rem;
            margin: 2.2rem 0 0.8rem 0;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.6rem 0 0.6rem 0;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.4rem 0;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
            word-break: break-word;
        }
        strong {
            color: #0f172a;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 24px 20px;
            margin: 16px 0 32px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 10px 0;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #0f172a;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .my-logo i {
            color: #f59e0b;
            font-size: 1.7rem;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #2563eb;
        }
        .my-logo span {
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 6px 14px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #334155;
            background: transparent;
            transition: all 0.2s;
        }
        .main-nav a:hover {
            background: #eef2ff;
            color: #2563eb;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 5px;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: #0f172a;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        .nav-toggle {
            display: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: #64748b;
            padding: 10px 0 4px 0;
            border-bottom: 1px solid #f1f5f9;
            margin-bottom: 16px;
            width: 100%;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb i {
            font-size: 0.6rem;
            color: #94a3b8;
        }
        .breadcrumb span {
            color: #475569;
        }
        .search-section {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 20px 18px;
            margin: 20px 0 28px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-section form {
            display: flex;
            flex: 1 1 300px;
            gap: 8px;
        }
        .search-section input[type="text"] {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .search-section input[type="text"]:focus {
            border-color: #2563eb;
        }
        .search-section button {
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-section button:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 28px 0 18px 0;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 18px 16px;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: border 0.2s;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #2563eb;
        }
        .feedback-card textarea {
            min-height: 72px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: #1e293b;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.4rem;
            color: #f59e0b;
            cursor: pointer;
        }
        .star-rating i {
            transition: transform 0.15s, color 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
            color: #f59e0b;
        }
        .featured-image {
            margin: 24px 0 20px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-image img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #64748b;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
        }
        .deck-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 20px 0;
            font-size: 0.9rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .deck-table th {
            background: #0f172a;
            color: #fff;
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
        }
        .deck-table td {
            padding: 10px 14px;
            border-bottom: 1px solid #e2e8f0;
            background: #fff;
        }
        .deck-table tr:hover td {
            background: #f1f5f9;
        }
        .deck-table .badge {
            background: #dbeafe;
            color: #1e40af;
            padding: 2px 10px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .inline-links {
            background: #f1f5f9;
            border-radius: 14px;
            padding: 16px 18px;
            margin: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .inline-links a {
            font-size: 0.9rem;
            padding: 2px 0;
        }
        .inline-links a i {
            margin-right: 4px;
            font-size: 0.75rem;
            color: #2563eb;
        }
        .site-footer {
            border-top: 2px solid #e2e8f0;
            padding: 28px 0 20px 0;
            margin-top: 32px;
            font-size: 0.9rem;
            color: #475569;
        }
        .site-footer friend-link {
            display: block;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            padding: 4px 12px;
            background: #f1f5f9;
            border-radius: 30px;
            font-size: 0.85rem;
        }
        .site-footer friend-link a:hover {
            background: #e2e8f0;
            text-decoration: none;
        }
        .copyright {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 12px;
            text-align: center;
        }
        .last-updated {
            text-align: center;
            font-size: 0.8rem;
            color: #94a3b8;
            margin-bottom: 6px;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            .container {
                padding: 16px 12px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 12px 0 8px 0;
                border-top: 1px solid #e2e8f0;
                margin-top: 8px;
                gap: 2px;
            }
            .main-nav a {
                padding: 10px 14px;
                border-radius: 10px;
            }
            .hamburger {
                display: block;
            }
            .nav-toggle:checked+.hamburger+.main-nav {
                display: flex;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                width: 100%;
                justify-content: center;
            }
            .deck-table {
                font-size: 0.75rem;
            }
            .deck-table th,
            .deck-table td {
                padding: 6px 8px;
            }
            .inline-links {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            h1 {
                font-size: 1.35rem;
            }
            .feedback-card {
                padding: 12px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: #0f172a;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            transition: transform 0.2s, background 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #2563eb;
            transform: translateY(-3px);
        }
        .text-muted {
            color: #64748b;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .flex {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .gap-2 {
            gap: 16px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .tag {
            display: inline-block;
            background: #e2e8f0;
            padding: 2px 10px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #334155;
        }
        hr {
            border: none;
            border-top: 2px dashed #e2e8f0;
            margin: 28px 0;
        }
        blockquote {
            border-left: 4px solid #2563eb;
            padding: 12px 18px;
            margin: 16px 0;
            background: #f1f5f9;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #334155;
        }