*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e1e1e;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #111;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #c0392b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e0d6cc;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.1rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 20px;
            padding: 1.5rem 2rem;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: #6b6b6b;
        }
        .small {
            font-size: 0.85rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .fw-bold {
            font-weight: 700;
        }
        .fst-italic {
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.2em;
        }
        hr {
            border: none;
            border-top: 1px solid #e0d6cc;
            margin: 2rem 0;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 0.8rem 0;
            border-bottom: 2px solid #e0d6cc;
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: #c0392b;
            background: #fff5f0;
            padding: 0.2rem 1.2rem 0.2rem 0.8rem;
            border-radius: 60px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
            transition: transform 0.2s ease;
            border: 2px solid #c0392b;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #c0392b;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: #e67e22;
        }
        .my-logo span {
            font-size: 1rem;
            font-weight: 400;
            color: #555;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #1e1e1e;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #f0e8e0;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.8rem;
        }
        .main-nav a {
            color: #2c3e50;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 30px;
            font-size: 0.92rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #777;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #bbb;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: #f5f0eb;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem 1.5rem;
        }
        .search-section h3 {
            margin: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            flex: 1;
            display: flex;
            gap: 0.5rem;
            min-width: 200px;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #d5ccc2;
            border-radius: 60px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 700px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #faf8f5;
            border: 1px solid #e6ddd4;
            border-radius: 18px;
            padding: 1.8rem 2rem;
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 2px solid #d5ccc2;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c0392b;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 60px;
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .feedback-card button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #e0b94a;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s, color 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
            color: #f1c40f;
        }
        .rating-stars i.selected {
            color: #f1c40f;
        }
        .article-body {
            font-size: 1.02rem;
        }
        .article-body .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #3d3d3d;
            background: #faf8f5;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            border-left: 5px solid #c0392b;
            margin-bottom: 2rem;
        }
        .article-body figure {
            margin: 2rem 0;
            text-align: center;
        }
        .article-body figure img {
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .article-body figure figcaption {
            font-size: 0.85rem;
            color: #777;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .article-body blockquote {
            background: #f5f0eb;
            border-left: 6px solid #c0392b;
            padding: 1.2rem 2rem;
            border-radius: 12px;
            font-style: italic;
            margin: 1.8rem 0;
            color: #2c3e50;
        }
        .article-body blockquote cite {
            display: block;
            text-align: right;
            font-size: 0.85rem;
            color: #888;
            margin-top: 0.5rem;
        }
        .article-body .highlight-box {
            background: #fff8f0;
            border: 2px dashed #e67e22;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 1.8rem 0;
        }
        .article-body .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .article-body .stat-card {
            background: #faf8f5;
            border-radius: 16px;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid #e6ddd4;
        }
        .article-body .stat-card .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #c0392b;
            display: block;
        }
        .article-body .stat-card .label {
            font-size: 0.85rem;
            color: #777;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-body .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1rem;
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .article-body .link-list-inline li a {
            background: #f5f0eb;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            color: #2c3e50;
            transition: background 0.2s, color 0.2s;
        }
        .article-body .link-list-inline li a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        friend-link {
            display: block;
            background: #f5f0eb;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2rem 0 0.5rem 0;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        friend-link .friend-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            list-style: none;
            padding: 0.5rem 0 0 0;
        }
        friend-link .friend-list li a {
            color: #c0392b;
            font-weight: 500;
        }
        friend-link .friend-list li a:hover {
            text-decoration: underline;
        }
        .site-footer {
            border-top: 2px solid #e0d6cc;
            padding: 1.8rem 0 1rem 0;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem 1.5rem;
            font-size: 0.88rem;
            color: #6b6b6b;
        }
        .site-footer .copy {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
        }
        .site-footer .copy a {
            color: #c0392b;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.2rem;
        }
        .site-footer .footer-links a {
            color: #555;
        }
        .site-footer .footer-links a:hover {
            color: #c0392b;
        }
        @media (max-width: 768px) {
            .container {
                padding: 1rem 1rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: 0.8rem 0 0.2rem 0;
                border-top: 1px solid #e0d6cc;
                margin-top: 0.6rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 10px;
            }
            .search-section {
                flex-direction: column;
                padding: 1.2rem;
            }
            .search-form {
                width: 100%;
            }
            .feedback-grid {
                gap: 1.2rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
                padding: 0.1rem 0.8rem 0.1rem 0.6rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .my-logo span {
                font-size: 0.8rem;
            }
            .site-footer {
                flex-direction: column;
                text-align: center;
            }
            .article-body .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-body .stat-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #eaf7ea;
            color: #2d6a2d;
            padding: 0.3rem 1.2rem;
            border-radius: 60px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
        }
        .last-updated i {
            font-size: 0.9rem;
        }