*,
        *::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: #f8f5f0;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b4532e;
            text-decoration: none;
            transition: color 0.2s, border-color 0.2s;
        }
        a:hover {
            color: #7a341e;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 0.75rem 0;
        }
        li {
            margin-bottom: 0.3rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1e2a2f;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #b4532e;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 2px solid #e0d6cb;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin: 0.9rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #1e2a2f;
            color: #f8f5f0;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: 800;
            letter-spacing: -0.5px;
            color: #f8f5f0;
            background: #b4532e;
            padding: 0.2rem 1rem 0.2rem 1rem;
            border-radius: 4px;
            text-decoration: none;
            display: inline-block;
            line-height: 1.2;
            transition: background 0.2s;
        }
        .my-logo:hover {
            background: #8f3f1f;
            color: #fff;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            opacity: 0.85;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f8f5f0;
            color: #f8f5f0;
            font-size: 1.6rem;
            padding: 0.2rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            align-items: center;
        }
        .primary-nav a {
            color: #e0d6cb;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.2rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            color: #fff;
            border-bottom-color: #b4532e;
            text-decoration: none;
        }
        .breadcrumb {
            background: #ece6dd;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d6cdc0;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.8rem;
            color: #7a6a5a;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #7a6a5a;
        }
        .breadcrumb a:hover {
            color: #b4532e;
        }
        .breadcrumb .current {
            color: #1e2a2f;
            font-weight: 600;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 1.5rem 0 2.5rem;
        }
        .main-article {
            min-width: 0;
        }
        .sidebar {
            font-size: 0.95rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.2rem 1.2rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8e0d6;
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 1px solid #e8e0d6;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0;
        }
        .sidebar-card li {
            padding: 0.3rem 0;
            border-bottom: 1px dashed #f0ebe4;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #1e2a2f;
            font-weight: 500;
        }
        .sidebar-card a:hover {
            color: #b4532e;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #e8e0d6;
        }
        .feature-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .feature-img figcaption {
            background: #fff;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            color: #5a4a3a;
            border-top: 1px solid #e8e0d6;
        }
        .form-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem 1.8rem;
            margin: 1.8rem 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8e0d6;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d6cdc0;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            background: #fcfaf7;
            transition: border-color 0.2s;
            margin: 0.3rem 0 0.8rem;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            outline: none;
            border-color: #b4532e;
            box-shadow: 0 0 0 3px rgba(180, 83, 46, 0.12);
        }
        .form-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .form-card button,
        .btn {
            background: #b4532e;
            color: #fff;
            border: none;
            padding: 0.65rem 1.8rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-family: inherit;
        }
        .form-card button:hover,
        .btn:hover {
            background: #8f3f1f;
            transform: scale(1.01);
        }
        .form-card .btn-group {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d6cdc0;
            cursor: pointer;
            margin: 0.2rem 0 0.8rem;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #e8a820;
        }
        .star-rating i:hover {
            transform: scale(1.15);
        }
        .site-footer {
            background: #1e2a2f;
            color: #d6cdc0;
            padding: 2rem 0 1.2rem;
            margin-top: 2rem;
            font-size: 0.95rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .site-footer a {
            color: #d6cdc0;
        }
        .site-footer a:hover {
            color: #f8f5f0;
        }
        friend-link {
            display: block;
            border-top: 1px solid #3a4a52;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #b4532e;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #3a4a52;
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: #8a7a6a;
        }
        @media (max-width: 860px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 680px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 0.6rem 0 0.2rem;
                gap: 0.2rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.4rem 0;
                border-bottom: none;
                width: 100%;
                border-top: 1px solid rgba(255, 255, 255, 0.05);
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .form-card {
                padding: 1rem 1.2rem;
            }
        }
        @media (max-width: 420px) {
            .container {
                padding: 0 0.8rem;
            }
            .my-logo {
                font-size: 1.3rem;
                padding: 0.15rem 0.6rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
        }
        .text-muted {
            color: #6a5a4a;
            font-size: 0.9rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .tag {
            background: #e8e0d6;
            color: #1e2a2f;
            border-radius: 20px;
            padding: 0.15rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid #b4532e;
            background: #f0ebe4;
            padding: 0.8rem 1.2rem;
            margin: 1.2rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3a3f;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e8e0d6;
        }
        th {
            background: #1e2a2f;
            color: #f8f5f0;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .highlight {
            background: #fdf6ec;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }