* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8f9fc;
            color: #1a1d23;
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #ff6f00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a2f44 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-decoration: none;
            background: linear-gradient(135deg, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.65rem;
            display: block;
            -webkit-text-fill-color: #aac;
            color: #aac;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.4rem;
            padding: 6px 14px;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e0e8f0;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            color: #ffc107;
            border-bottom-color: #ffc107;
            text-decoration: none;
        }
        .breadcrumb {
            background: #ecf0f5;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #888;
        }
        .breadcrumb a {
            color: #0057b3;
        }
        .breadcrumb .current {
            color: #555;
            font-weight: 500;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.5rem;
            color: #0b1a2e;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 3rem;
            margin-bottom: 1rem;
            color: #0b1a2e;
            border-left: 5px solid #f7971e;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2.2rem;
            margin-bottom: 0.7rem;
            color: #1a2f44;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.6rem;
            margin-bottom: 0.5rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3748;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            padding: 16px 0 24px;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 30px;
            font-size: 0.95rem;
            color: #5a6a7a;
        }
        .article-meta i {
            margin-right: 6px;
            color: #f7971e;
        }
        .featured-image {
            margin: 30px 0 40px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            min-height: 320px;
            object-fit: cover;
            background: #d0d8e4;
        }
        .featured-image figcaption {
            background: #f1f4fa;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #445566;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef9ef, #fdf3e0);
            border-left: 5px solid #f7971e;
            padding: 24px 28px;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: 0 2px 12px rgba(247, 151, 30, 0.08);
        }
        .highlight-box strong {
            color: #b15300;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 14px;
            padding: 22px 18px;
            text-align: center;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0b1a2e;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #5a6a7a;
            margin-top: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            background: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #edf2f7;
        }
        th {
            background: #f1f5f9;
            font-weight: 600;
            color: #1a2f44;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f8fafc;
        }
        .search-section {
            background: #edf2f9;
            border-radius: 16px;
            padding: 32px 28px;
            margin: 48px 0;
        }
        .search-section h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 600px;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 14px 20px;
            border: 2px solid #d0dae8;
            border-radius: 10px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            outline: none;
            border-color: #f7971e;
            box-shadow: 0 0 0 3px rgba(247, 151, 30, 0.15);
        }
        .search-form button {
            padding: 14px 32px;
            background: linear-gradient(135deg, #0b1a2e, #1a2f44);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 26, 46, 0.25);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 48px 0;
        }
        @media (max-width:768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 28px 26px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-section textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d0dae8;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 110px;
            transition: border 0.2s;
        }
        .comment-section textarea:focus {
            outline: none;
            border-color: #f7971e;
            box-shadow: 0 0 0 3px rgba(247, 151, 30, 0.1);
        }
        .comment-section input[type="text"] {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid #d0dae8;
            border-radius: 10px;
            font-size: 1rem;
            margin-top: 12px;
        }
        .comment-section input[type="text"]:focus {
            outline: none;
            border-color: #f7971e;
        }
        .comment-section button,
        .rating-section button {
            margin-top: 14px;
            padding: 12px 30px;
            background: linear-gradient(135deg, #0b1a2e, #1a2f44);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .comment-section button:hover,
        .rating-section button:hover {
            transform: translateY(-2px);
        }
        .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: #d0dae8;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7b731;
        }
        .site-footer {
            background: #0b1a2e;
            color: #c8d4e0;
            padding: 48px 0 30px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        @media (max-width:768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .site-footer h4 {
            color: #f0f4fa;
            margin-top: 0;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #a0b8d0;
        }
        .site-footer a:hover {
            color: #ffc107;
        }
        friend-link {
            display: block;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid #1e3450;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #1e3450;
            font-size: 0.9rem;
            color: #7a8fa5;
            text-align: center;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                width: 100%;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .search-form input[type="text"] {
                flex: 1 1 100%;
            }
            .search-form button {
                width: 100%;
            }
            .feedback-grid {
                gap: 20px;
            }
        }
        .text-muted {
            color: #6a7a8a;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .emoji-lg {
            font-size: 1.8rem;
            line-height: 1;
        }
        .pill {
            display: inline-block;
            background: #eef2f7;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #1a2f44;
        }