*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #2d2a24;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #b45f3b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8a4527;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1f1c18;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #e4c9b0;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #d4a373;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #4f3e32;
        }
        h4 {
            font-size: 1.2rem;
            color: #6b4f3e;
        }
        p {
            margin: 0.75rem 0;
        }
        strong {
            color: #3d2c1f;
        }
        em {
            font-style: italic;
            color: #6b4f3e;
        }
        hr {
            border: none;
            border-top: 2px dashed #dccfc4;
            margin: 2rem 0;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: #fffffffa;
            backdrop-filter: blur(6px);
            border-bottom: 2px solid #e4d5c4;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #7c4f34;
            text-decoration: none;
            background: linear-gradient(135deg, #b4805f, #7c4f34);
            -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 i {
            -webkit-text-fill-color: initial;
            color: #7c4f34;
            margin-right: 4px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #4f3e32;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #efe6dc;
        }
        .main-nav {
            display: flex;
            gap: 1.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-weight: 500;
            color: #4f3e32;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover {
            background: #e4d5c4;
            color: #2d1e14;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
            color: #b45f3b;
        }
        .breadcrumbs {
            background: #f0ebe4;
            padding: 0.6rem 1rem;
            border-radius: 10px;
            margin: 1rem 0 0.5rem;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.8rem;
        }
        .breadcrumbs a {
            color: #7c5a44;
        }
        .breadcrumbs span {
            color: #a0846e;
        }
        .breadcrumbs .current {
            color: #3d2c1f;
            font-weight: 600;
        }
        .search-section {
            background: #f4ede6;
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            justify-content: center;
            box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .search-section label {
            font-weight: 600;
            color: #3d2c1f;
            font-size: 1.1rem;
        }
        .search-form {
            display: flex;
            flex: 1 1 320px;
            max-width: 500px;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dccfc4;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #b4805f;
        }
        .search-form button {
            background: #b4805f;
            border: none;
            color: #fff;
            padding: 0.7rem 1.4rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #8f6243;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2rem 0;
        }
        @media (max-width: 680px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .card-interact {
            background: #fffcf9;
            border-radius: 18px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #ede3d9;
        }
        .card-interact h3 {
            margin-top: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #4f3e32;
        }
        .card-interact form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .card-interact input,
        .card-interact textarea,
        .card-interact select {
            padding: 0.6rem 1rem;
            border: 2px solid #e0d3c6;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fff;
            outline: none;
            transition: border 0.2s;
            font-family: inherit;
        }
        .card-interact input:focus,
        .card-interact textarea:focus,
        .card-interact select:focus {
            border-color: #b4805f;
        }
        .card-interact textarea {
            min-height: 80px;
            resize: vertical;
        }
        .card-interact .btn-submit {
            background: #7c4f34;
            color: #fff;
            border: none;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .card-interact .btn-submit:hover {
            background: #5f3c27;
            transform: scale(1.01);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #dccfc4;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #e8b84b;
        }
        .content {
            background: #fffcf9;
            border-radius: 24px;
            padding: 2.2rem 2.5rem;
            margin: 1.5rem 0;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede3d9;
        }
        @media (max-width: 640px) {
            .content {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }
        .featured-image {
            margin: 1.5rem 0;
            border-radius: 16px;
            overflow: hidden;
            background: #ede3d9;
        }
        .featured-image img {
            width: 100%;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #5f4a3a;
            background: #f4ede6;
            font-style: italic;
        }
        .last-updated {
            display: inline-block;
            background: #ede3d9;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #4f3e32;
            margin: 0.5rem 0 1rem;
        }
        .last-updated i {
            margin-right: 6px;
        }
        .toc {
            background: #f4ede6;
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ul {
            list-style: none;
            padding-left: 0;
            columns: 2 240px;
        }
        .toc li {
            padding: 0.2rem 0;
        }
        .toc a {
            color: #5f3c27;
            font-weight: 500;
        }
        .toc a:hover {
            color: #b45f3b;
        }
        .site-footer {
            background: #2d2a24;
            color: #e0d3c6;
            padding: 2.5rem 1.5rem 1.5rem;
            border-radius: 24px 24px 0 0;
            margin: 2.5rem -1rem -1rem;
        }
        .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f0e3d8;
            margin-top: 0;
            border-bottom: 2px solid #4f3e32;
            padding-bottom: 0.4rem;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #cbb09c;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: #f0d5c2;
            text-decoration: underline;
        }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4f3e32;
            font-size: 0.9rem;
            color: #a8927e;
        }
        .copyright strong {
            color: #d4bfae;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.5rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid #e4d5c4;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0.8rem;
                width: 100%;
                border-radius: 8px;
            }
            .header-inner {
                align-items: center;
            }
            .search-section {
                flex-direction: column;
                padding: 1.2rem;
            }
            .search-form {
                max-width: 100%;
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .content {
                padding: 1rem 0.8rem;
            }
            .card-interact {
                padding: 1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .highlight-box {
            background: #f4ede6;
            border-left: 5px solid #b4805f;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.2rem 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 1.2rem 0;
        }
        @media (max-width: 600px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }
        .btn-top {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #b4805f;
            color: #fff;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.2s;
            margin: 0.5rem 0;
        }
        .btn-top:hover {
            background: #8f6243;
            text-decoration: none;
            color: #fff;
        }
        .icon-list {
            list-style: none;
            padding-left: 0;
        }
        .icon-list li {
            padding: 0.3rem 0;
            display: flex;
            align-items: baseline;
            gap: 0.5rem;
        }
        .icon-list li i {
            color: #b4805f;
            width: 1.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fcf9f5;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #ede3d9;
        }
        th {
            background: #e4d5c4;
            color: #2d1e14;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }