*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 16px;
            }
            body {
                padding: 0 0.5rem;
            }
        }
        .header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem;
            border-bottom: 2px solid #eef2f6;
            position: relative;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #dc2626, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #dc2626;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            cursor: pointer;
            color: #334155;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #dc2626;
            color: #dc2626;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 0.2rem 1.2rem;
            align-items: center;
            list-style: none;
            padding: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-menu li a:hover {
            border-bottom-color: #dc2626;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem;
                gap: 0.6rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 0.4rem 0.6rem;
                border-radius: 6px;
                background: #f1f5f9;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0.9rem 0 0.2rem;
            font-size: 0.85rem;
            color: #64748b;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #64748b;
        }
        .breadcrumb a:hover {
            color: #dc2626;
        }
        .breadcrumb .active {
            color: #1e293b;
            font-weight: 500;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 0.6rem;
            background: linear-gradient(135deg, #1e293b, #dc2626);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.4rem 0 0.8rem;
            padding-bottom: 0.3rem;
            border-bottom: 3px solid #fee2e2;
            color: #1e293b;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 1.8rem 0 0.5rem;
            color: #334155;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 1.2rem 0 0.3rem;
            color: #475569;
        }
        p {
            margin: 0.8rem 0;
            color: #334155;
        }
        .last-update {
            font-size: 0.85rem;
            color: #94a3b8;
            margin-top: -0.3rem;
            display: block;
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.2rem;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 4px solid #f97316;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #f1f5f9;
            padding: 1rem;
            border-radius: 12px;
            text-align: center;
            font-weight: 600;
        }
        .stat-card i {
            font-size: 1.8rem;
            color: #dc2626;
            margin-bottom: 0.3rem;
        }
        .feature-img {
            margin: 1.6rem 0;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1.8rem 0;
            padding: 1.2rem 1.5rem;
            background: #f1f5f9;
            border-radius: 16px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #dc2626;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #dc2626;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #b91c1c;
        }
        .comment-section,
        .rating-section {
            margin: 2.2rem 0;
            padding: 1.5rem 1.8rem;
            background: #fafafa;
            border-radius: 16px;
            border: 1px solid #eef2f6;
        }
        .comment-section textarea,
        .rating-section select,
        .rating-section input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            margin: 0.4rem 0 0.8rem;
            font-family: inherit;
            transition: 0.2s;
        }
        .comment-section textarea:focus,
        .rating-section select:focus,
        .rating-section input[type="text"]:focus {
            border-color: #dc2626;
        }
        .comment-section textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn-submit {
            padding: 0.6rem 1.6rem;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-submit:hover {
            background: #1d4ed8;
        }
        .rating-stars {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #facc15;
            margin: 0.4rem 0 0.8rem;
        }
        .rating-stars i {
            cursor: pointer;
            transition: 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #eab308;
        }
        friend-link {
            display: block;
            margin: 2rem 0 0.5rem;
            padding: 1.2rem 1.5rem;
            background: #f1f5f9;
            border-radius: 14px;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.8rem 0.2rem 0;
            font-weight: 500;
        }
        friend-link a::after {
            content: "·";
            margin-left: 0.8rem;
            color: #94a3b8;
        }
        friend-link a:last-child::after {
            content: "";
        }
        .footer {
            margin-top: 2.5rem;
            padding-top: 1.2rem;
            border-top: 2px solid #eef2f6;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .footer strong {
            color: #1e293b;
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .search-form {
                padding: 1rem;
            }
            .comment-section,
            .rating-section {
                padding: 1rem;
            }
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            padding: 0.6rem 0;
            list-style: none;
        }
        .link-list li a {
            background: #f1f5f9;
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .link-list li a:hover {
            background: #e2e8f0;
            text-decoration: none;
        }
        section {
            scroll-margin-top: 1.5rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            border: 1px solid #e2e8f0;
            text-align: left;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
        }