*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f6f9fc;
            color: #1e293b;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0b6bcb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #084a8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0f172a;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #3b82f6;
            padding-bottom: 0.5rem;
            display: inline-block;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #3b82f6;
            padding-left: 1rem;
            margin-top: 2.8rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.5rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        strong {
            color: #0f172a;
            font-weight: 700;
        }
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1120 0%, #1a2744 100%);
            padding: 0 0 0 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 20px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #60a5fa;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #fde047;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 4px;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #e2e8f0;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #facc15;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #facc15;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            transition: transform 0.2s;
        }
        .hamburger:hover {
            transform: scale(1.1);
        }
        .breadcrumb-wrap {
            background: #e9edf2;
            padding: 10px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d8e0;
        }
        .breadcrumb {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 8px;
            color: #64748b;
        }
        .breadcrumb a {
            color: #0b6bcb;
        }
        .breadcrumb .current {
            color: #334155;
            font-weight: 600;
        }
        .hero-img {
            margin: 2rem 0 1.5rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: #dbeafe;
            overflow: hidden;
        }
        .hero-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .section-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 28px 30px;
            margin-bottom: 2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9edf2;
            transition: box-shadow 0.25s;
        }
        .section-card:hover {
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 6px solid #3b82f6;
            padding: 18px 22px;
            border-radius: 8px;
            margin: 1.6rem 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 6px;
        }
        .tag {
            display: inline-block;
            background: #dbeafe;
            color: #1e40af;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 1.2rem 0;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #3b82f6;
        }
        .search-form button {
            background: #3b82f6;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #2563eb;
            transform: scale(1.02);
        }
        .comment-box,
        .rating-box {
            margin-top: 1.8rem;
        }
        .comment-box textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 12px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #3b82f6;
        }
        .comment-box .form-actions {
            display: flex;
            gap: 12px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: #3b82f6;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 10px 28px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #2563eb;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #e9edf2;
            color: #1e293b;
            border: none;
            border-radius: 40px;
            padding: 10px 28px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .btn-secondary:hover {
            background: #d0d8e0;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
            margin: 10px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #cbd5e1;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #facc15;
            transform: scale(1.05);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.98rem;
        }
        .data-table th {
            background: #1e293b;
            color: #f1f5f9;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e2e8f0;
        }
        .data-table tr:nth-child(even) {
            background: #f8fafc;
        }
        .data-table tr:hover {
            background: #eef2f7;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
            border-top: 2px solid #e2e8f0;
            margin-top: 2rem;
        }
        friend-link .flist {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        friend-link .flist li a {
            color: #0b6bcb;
            font-weight: 500;
        }
        friend-link .flist li a:hover {
            color: #084a8a;
        }
        .site-footer {
            background: #0b1120;
            color: #94a3b8;
            padding: 2rem 20px 1.5rem;
            margin-top: auto;
            border-top: 3px solid #1e3a5f;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.92rem;
        }
        .footer-inner .copy {
            color: #64748b;
        }
        .footer-inner .copy strong {
            color: #e2e8f0;
        }
        @media (max-width: 820px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1a2e;
                padding: 16px 12px;
                border-radius: 0 0 16px 16px;
                gap: 2px;
                margin-top: 10px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section-card {
                padding: 18px 16px;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .hero-img img {
                max-height: 220px;
            }
            .search-form button {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .search-form input {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mt-2 {
            margin-top: 1.6rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .text-muted {
            color: #64748b;
            font-size: 0.92rem;
        }
        .icon-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .badge {
            background: #3b82f6;
            color: #fff;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-block;
        }