*,
        *::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: #f5f7fc;
            color: #1a1e2b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1400px;
            margin: 0 auto;
        }
        a {
            color: #2a5c9a;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #c7482a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.4rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0f1221;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 6px solid #2a5c9a;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            color: #1e2f4a;
        }
        h4 {
            font-size: 1.2rem;
            color: #2a4060;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
            padding: 20px 24px 32px;
            margin: 16px 0 32px;
        }
        .badge {
            display: inline-block;
            background: #eef3ff;
            color: #1f3a6b;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 40px;
            letter-spacing: 0.3px;
        }
        .text-muted {
            color: #5a647b;
            font-size: 0.92rem;
        }
        .text-small {
            font-size: 0.92rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        @media (max-width: 700px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 16px 14px 24px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            body {
                padding: 0 8px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 10px;
            border-bottom: 2px solid #e6eaf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #1f3a6b, #2a5c9a);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            color: #2a5c9a;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #1f3a6b;
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 1.4rem;
            color: #1f3a6b;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #eef3ff;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 20px;
            list-style: none;
            padding-left: 0;
        }
        .nav-menu li a {
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.98rem;
        }
        .nav-menu li a:hover {
            border-bottom-color: #2a5c9a;
            text-decoration: none;
        }
        .nav-menu li a i {
            margin-right: 4px;
            font-size: 0.85rem;
        }
        @media (max-width: 780px) {
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0 8px;
                gap: 10px;
                border-top: 1px solid #e6eaf2;
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 14px;
            padding: 12px 0 6px;
            font-size: 0.88rem;
            color: #5a647b;
            list-style: none;
        }
        .breadcrumb li {}
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 14px;
            color: #9aa5b9;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2a5c9a;
        }
        .breadcrumb .current {
            color: #1a1e2b;
            font-weight: 500;
        }
        .search-box {
            display: flex;
            max-width: 520px;
            border-radius: 60px;
            overflow: hidden;
            border: 2px solid #dde3ed;
            background: #fff;
            transition: 0.2s;
            margin: 12px 0 20px;
        }
        .search-box:focus-within {
            border-color: #2a5c9a;
            box-shadow: 0 0 0 4px rgba(42, 92, 154, 0.12);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 1rem;
            background: transparent;
            outline: none;
        }
        .search-box button {
            background: #2a5c9a;
            color: #fff;
            border: none;
            padding: 0 24px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-box button:hover {
            background: #1f3a6b;
        }
        .comment-form,
        .score-form {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px 24px 24px;
            border: 1px solid #e6eaf2;
            margin: 20px 0 10px;
        }
        .comment-form h3,
        .score-form h3 {
            margin-top: 0;
        }
        .comment-form textarea,
        .comment-form input,
        .score-form select,
        .score-form input {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid #dde3ed;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .score-form select:focus,
        .score-form input:focus {
            border-color: #2a5c9a;
            box-shadow: 0 0 0 3px rgba(42, 92, 154, 0.1);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 14px;
        }
        .form-row .field {
            flex: 1 1 180px;
        }
        .btn-primary {
            background: #2a5c9a;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #1f3a6b;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(42, 92, 154, 0.25);
        }
        .btn-secondary {
            background: #eef3ff;
            color: #1f3a6b;
            border: 1.5px solid #dde3ed;
            padding: 10px 24px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-secondary:hover {
            background: #dde6f5;
        }
        friend-link {
            display: block;
            padding: 20px 0 12px;
            border-top: 2px solid #e6eaf2;
            margin-top: 28px;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            list-style: none;
            padding-left: 0;
        }
        friend-link .friend-list li a {
            font-size: 0.95rem;
            font-weight: 500;
        }
        .site-footer {
            padding: 20px 0 28px;
            border-top: 2px solid #e6eaf2;
            margin-top: 16px;
            text-align: center;
            color: #5a647b;
            font-size: 0.92rem;
        }
        .site-footer .copyright {
            font-weight: 400;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: #fafcff;
            border-radius: 14px;
            overflow: hidden;
            margin: 18px 0 22px;
            font-size: 0.98rem;
        }
        .data-table th {
            background: #1f3a6b;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e6eaf2;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f0f5ff;
        }
        .highlight-box {
            background: #eef7ff;
            border-left: 6px solid #2a5c9a;
            padding: 18px 22px;
            border-radius: 0 14px 14px 0;
            margin: 20px 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .tag {
            display: inline-block;
            background: #e6eaf2;
            padding: 0 12px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #1f3a6b;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #1f3a6b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
            transition: 0.3s;
            border: none;
            cursor: pointer;
            z-index: 99;
        }
        .back-to-top:hover {
            background: #2a5c9a;
            transform: translateY(-4px);
        }
        @media (max-width: 500px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
            }
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #e2a336;
            cursor: pointer;
        }
        .star-rating i {
            transition: 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f5b342;
            transform: scale(1.12);
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #eef3ff;
            padding: 6px 18px 6px 14px;
            border-radius: 40px;
            font-size: 0.88rem;
            color: #1f3a6b;
            font-weight: 500;
        }