*,
        *::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: #f8f6f2;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b45f2b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #85411c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: #1e2a2f;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            border-left: 5px solid #d98a4a;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin: 1.8rem 0 0.8rem;
            color: #2c3e42;
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #3d5459;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: #1e2a2f;
            color: #f8f6f2;
            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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #f8f6f2;
            background: linear-gradient(135deg, #d98a4a, #f0b27a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            background: #d98a4a;
            -webkit-background-clip: text;
            background-clip: text;
            color: #d98a4a;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f8f6f2;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e6ddd0;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            text-decoration: none;
        }
        .nav-menu a:hover {
            background: #d98a4a;
            color: #1e2a2f;
            text-decoration: none;
        }
        .nav-menu a.active {
            background: #d98a4a;
            color: #1e2a2f;
        }
        .breadcrumb {
            background: #efe9e0;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd6cb;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #a08870;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #7a5f44;
        }
        .breadcrumb .current {
            color: #1e2a2f;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #f0ebe3, #e6ddd0);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #ddd6cb;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.5rem;
            color: #1e2a2f;
        }
        .hero .sub {
            font-size: 1.2rem;
            color: #4d5a5e;
            max-width: 720px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #6a7a7e;
        }
        .hero .meta-info i {
            margin-right: 5px;
            color: #d98a4a;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0 3rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #f0ebe3;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            height: fit-content;
            position: sticky;
            top: 90px;
            border: 1px solid #ddd6cb;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #d98a4a;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 0.6rem;
            border-bottom: 1px dashed #d5cbbc;
            padding-bottom: 0.5rem;
        }
        .sidebar a {
            display: block;
            font-size: 0.95rem;
            padding: 0.2rem 0;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #e6ddd0;
            padding: 6px;
        }
        .featured-image img {
            border-radius: 10px;
            width: 100%;
        }
        .featured-image figcaption {
            padding: 0.6rem 0.5rem 0.2rem;
            font-size: 0.9rem;
            color: #5a6a6e;
            font-style: italic;
        }
        .search-section {
            background: #e6ddd0;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            margin: 2rem 0;
            border: 1px solid #d5cbbc;
        }
        .search-section form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.75rem 1.2rem;
            border: 2px solid #cbb9a6;
            border-radius: 40px;
            font-size: 1rem;
            background: #fcfaf7;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-section input[type="text"]:focus {
            border-color: #d98a4a;
        }
        .search-section button {
            padding: 0.75rem 2rem;
            background: #d98a4a;
            color: #1e2a2f;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-section button:hover {
            background: #c47835;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .interaction-card {
            background: #fcfaf7;
            border: 1px solid #ddd6cb;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .interaction-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #1e2a2f;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.6rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.65rem 1rem;
            border: 1.5px solid #d5cbbc;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #fff;
            outline: none;
            transition: border-color 0.3s;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #d98a4a;
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card button {
            padding: 0.65rem 1.5rem;
            background: #1e2a2f;
            color: #f8f6f2;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
        }
        .interaction-card button:hover {
            background: #d98a4a;
            color: #1e2a2f;
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #d5cbbc;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f0b27a;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .styled-table thead {
            background: #1e2a2f;
            color: #f8f6f2;
        }
        .styled-table th {
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .styled-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e6ddd0;
        }
        .styled-table tbody tr:hover {
            background: #f0ebe3;
        }
        .site-footer {
            background: #1e2a2f;
            color: #cfc9be;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
            border-top: 4px solid #d98a4a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f0ebe3;
            margin-bottom: 0.8rem;
            border-bottom: 1px solid #3d5459;
            padding-bottom: 0.4rem;
        }
        .footer-grid a {
            color: #bdaa96;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.92rem;
        }
        .footer-grid a:hover {
            color: #f0b27a;
        }
        friend-link {
            display: block;
            background: #2a383e;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0 1rem;
            border-left: 4px solid #d98a4a;
        }
        friend-link a {
            color: #e6ddd0;
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            font-size: 0.95rem;
        }
        friend-link a:hover {
            color: #f0b27a;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3d5459;
            font-size: 0.9rem;
            color: #9a8a7a;
        }
        .copyright strong {
            color: #e6ddd0;
        }
        @media (max-width: 900px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 720px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 0.8rem 0 0.2rem;
                gap: 0.3rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.5rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                width: 100%;
            }
            .interaction-card button {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb ul {
                font-size: 0.8rem;
            }
            .styled-table {
                font-size: 0.82rem;
            }
            .styled-table th,
            .styled-table td {
                padding: 0.5rem 0.6rem;
            }
        }
        .highlight {
            background: #fcf0e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .badge {
            display: inline-block;
            background: #d98a4a;
            color: #1e2a2f;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .text-muted {
            color: #6a7a7e;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }