*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f3ef;
            color: #2c2b28;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        :root {
            --primary: #1e3c4f;
            --primary-light: #2a5a6e;
            --accent: #c89f4c;
            --accent-hover: #b8892e;
            --bg-card: #ffffff;
            --bg-soft: #f5f3ef;
            --text-dark: #2c2b28;
            --text-mid: #5a5650;
            --text-light: #8a857c;
            --border-light: #e0dbd2;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --radius-sm: 6px;
            --font-sans: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            --transition: 0.25s ease;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--primary);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2em;
            margin-bottom: 0.3em;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 0.2em;
        }
        h3 {
            font-size: 1.35rem;
            color: var(--primary-light);
        }
        h4 {
            font-size: 1.1rem;
            color: var(--text-mid);
            font-weight: 500;
        }
        p {
            margin-bottom: 1.2em;
            color: var(--text-dark);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }
        strong {
            font-weight: 600;
            color: var(--primary);
        }
        em {
            font-style: italic;
            color: var(--text-mid);
        }
        blockquote {
            border-left: 4px solid var(--accent);
            padding: 0.8em 1.2em;
            margin: 1.5em 0;
            background: #fcf9f4;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-mid);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            display: block;
        }
        figure {
            margin: 1.8em 0;
        }
        figcaption {
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 0.5em;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 1rem;
            opacity: 0.8;
            display: none;
        }
        @media(min-width:600px) {
            .my-logo span {
                display: inline;
            }
        }
        .nav-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            display: block;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        @media(min-width:768px) {
            .nav-toggle {
                display: none;
            }
        }
        .nav-menu {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 0.3rem;
            padding-top: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 0.4rem;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            color: #f0ede8;
            font-weight: 400;
            padding: 0.5rem 0.8rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
            text-decoration: none;
        }
        @media(min-width:768px) {
            .nav-menu {
                display: flex !important;
                flex-direction: row;
                width: auto;
                border-top: none;
                margin-top: 0;
                padding-top: 0;
                gap: 0.2rem;
            }
            .nav-menu a {
                padding: 0.4rem 1rem;
                font-size: 0.95rem;
            }
        }
        .breadcrumb {
            background: #edeae4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            align-items: center;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: var(--text-light);
            margin-right: 0.3rem;
        }
        .breadcrumb a {
            color: var(--text-mid);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .article-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-sm);
        }
        @media(min-width:768px) {
            .article-wrapper {
                padding: 3rem 3.5rem;
            }
        }
        .search-section {
            background: var(--bg-soft);
            border-radius: var(--radius);
            padding: 1.5rem 1.8rem;
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem 1.2rem;
        }
        .search-section label {
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.05rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 280px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            background: #fff;
            transition: border var(--transition);
            min-width: 0;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0.6rem 1.4rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        @media(min-width:700px) {
            .feedback-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .feedback-card {
            background: var(--bg-soft);
            border-radius: var(--radius);
            padding: 1.5rem 1.8rem;
            box-shadow: var(--shadow-sm);
        }
        .feedback-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.2rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.6rem 1rem;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border var(--transition);
            width: 100%;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            outline: none;
            border-color: var(--accent);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .star-select {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .feedback-card .star-select input {
            display: none;
        }
        .feedback-card .star-select label {
            font-size: 1.6rem;
            color: var(--border-light);
            cursor: pointer;
            transition: color var(--transition);
        }
        .feedback-card .star-select input:checked~label,
        .feedback-card .star-select label:hover,
        .feedback-card .star-select label:hover~label {
            color: var(--accent);
        }
        .feedback-card .btn-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            align-self: flex-start;
        }
        .feedback-card .btn-submit:hover {
            background: var(--accent-hover);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .data-table th {
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 500;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid var(--border-light);
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #fcf9f4;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            list-style: none;
            padding: 0.8em 0;
            margin: 0.8em 0;
        }
        .link-list-inline li a {
            font-size: 0.95rem;
        }
        .site-footer {
            background: var(--primary);
            color: #e8e4dd;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.5rem;
            justify-content: center;
        }
        .footer-links a {
            color: #d4cfc6;
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-copyright {
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.8;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.2rem;
        }
        .footer-copyright i {
            margin: 0 0.3rem;
        }
        friend-link {
            display: block;
            text-align: center;
            font-size: 0.9rem;
            padding: 0.6rem 0;
            color: #d4cfc6;
        }
        friend-link a {
            color: #e8e4dd;
            padding: 0 0.4rem;
        }
        friend-link a:hover {
            color: var(--accent);
        }
        @media(max-width:480px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .article-wrapper {
                padding: 1.2rem 1rem;
            }
            .search-section {
                padding: 1rem;
            }
            .feedback-card {
                padding: 1.2rem;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.4rem 0.6rem;
            }
        }
        @media(min-width:768px) {
            .article-wrapper {
                padding: 3rem 4rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: var(--bg-soft);
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-mid);
            margin-bottom: 1em;
        }
        .emoji-lg {
            font-size: 1.2em;
        }
        .highlight-box {
            background: #fcf9f4;
            border: 1px solid var(--accent);
            border-radius: var(--radius);
            padding: 1.2em 1.5em;
            margin: 1.5em 0;
        }
        .highlight-box strong {
            color: var(--accent-hover);
        }
        .stat-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.15em 0.8em;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.4em;
        }
        .hero-img-wrap {
            margin: 1.5em 0 2em;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .hero-img-wrap img {
            width: 100%;
            display: block;
        }