*,
        *::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: #f8f9fc;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2a3a 0%, #0d1b2a 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: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f1c40f;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f1c40f;
        }
        .my-logo i {
            color: #e67e22;
            margin-right: 8px;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e0e0e0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ul li+li::before {
            content: "›";
            margin-right: 10px;
            color: #999;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb .current {
            color: #888;
            font-weight: 500;
        }
        main {
            padding: 30px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #0d1b2a;
        }
        h1 i {
            color: #e67e22;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 48px;
            margin-bottom: 16px;
            color: #1a2a3a;
            border-left: 5px solid #f1c40f;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 20px;
            margin-bottom: 8px;
            color: #34495e;
        }
        p {
            margin-bottom: 16px;
            font-size: 1.05rem;
            color: #2d2d3a;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #444;
            border-left: 4px solid #e67e22;
            padding-left: 20px;
            margin-bottom: 28px;
        }
        .highlight {
            background: #fef9e7;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .featured-image {
            margin: 28px 0 32px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 12px 20px;
            background: #fff;
            font-size: 0.9rem;
            color: #666;
            border-top: 1px solid #eee;
        }
        .info-box {
            background: #fff;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef0f5;
        }
        .info-box h4 {
            margin-top: 0;
            color: #c0392b;
        }
        .info-box i {
            color: #f1c40f;
            margin-right: 8px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-item {
            background: #f0f4f8;
            border-radius: 12px;
            padding: 18px 16px;
            text-align: center;
            font-weight: 600;
        }
        .stat-item .num {
            font-size: 1.8rem;
            color: #c0392b;
            display: block;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 20px 0;
            padding: 16px 20px;
            background: #f0f4f8;
            border-radius: 12px;
        }
        .related-links a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .related-links a i {
            margin-right: 5px;
            font-size: 0.8rem;
        }
        .search-section {
            background: #fff;
            padding: 28px 24px;
            border-radius: 16px;
            margin: 32px 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef0f5;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 640px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #ddd;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #e67e22;
        }
        .search-form button {
            padding: 14px 32px;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #e74c3c;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        @media (max-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 26px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef0f5;
        }
        .feedback-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .feedback-card h3 i {
            color: #f1c40f;
            margin-right: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.25s;
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #e67e22;
        }
        .feedback-card textarea {
            resize: vertical;
            min-height: 80px;
        }
        .feedback-card button {
            align-self: flex-start;
            padding: 12px 32px;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .feedback-card button:hover {
            background: #e74c3c;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f1c40f;
        }
        .site-footer {
            background: #0d1b2a;
            color: #ccc;
            padding: 40px 0 24px;
            margin-top: 48px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        @media (max-width:600px) {
            .site-footer .container {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #bbb;
        }
        .site-footer a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 6px;
        }
        .copyright {
            grid-column: 1 / -1;
            border-top: 1px solid #2a3a4a;
            padding-top: 20px;
            margin-top: 12px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .copyright strong {
            color: #ddd;
        }
        @media (max-width:860px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 8px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width:480px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 14px;
            }
            .search-form input,
            .search-form button {
                width: 100%;
            }
            .feedback-card button {
                width: 100%;
                text-align: center;
            }
            .related-links {
                flex-direction: column;
                gap: 6px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .text-muted {
            color: #888;
            font-size: 0.9rem;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-1 {
            margin-bottom: 10px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag {
            display: inline-block;
            background: #eef0f5;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #2c3e50;
        }
        .tag i {
            margin-right: 4px;
        }