*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #fafaf6;
            color: #1e2a2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #b45f2b;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #8c4a1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1e3a2f 0%, #2a5a47 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5e7d3;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: opacity 0.2s;
            line-height: 1.2;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none;
            color: #f5e7d3;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            display: block;
            color: #d4c5a9;
            letter-spacing: 2px;
        }
        .my-logo .fa-pencil-alt {
            color: #e8c87a;
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 1.2rem;
            align-items: center;
            transition: all 0.3s ease;
        }
        .primary-nav a {
            color: #f0eadc;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .primary-nav a:hover {
            color: #f5e3b8;
            border-bottom-color: #e8c87a;
            text-decoration: none;
        }
        .primary-nav .active {
            border-bottom-color: #e8c87a;
            color: #f5e3b8;
        }
        .breadcrumb {
            background: #f0ebe0;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd6c8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #9a8a78;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #7a6a58;
        }
        .breadcrumb a:hover {
            color: #b45f2b;
        }
        .breadcrumb .current {
            color: #3a2a1a;
            font-weight: 600;
        }
        .hero-section {
            background: linear-gradient(135deg, #f7f0e4 0%, #efe6d5 100%);
            padding: 2.8rem 0 2.2rem;
            border-bottom: 2px solid #e2d6c0;
        }
        .hero-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1e3a2f;
            line-height: 1.2;
            margin-bottom: 0.5rem;
        }
        .hero-section .subhead {
            font-size: 1.2rem;
            color: #5a4a3a;
            max-width: 700px;
        }
        .hero-section .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #6a5a4a;
        }
        .hero-section .meta-info i {
            margin-right: 0.4rem;
            color: #b45f2b;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem 2rem;
        }
        @media(max-width:820px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 2rem;
            color: #1e3a2f;
            margin: 2.4rem 0 1rem 0;
            border-bottom: 3px solid #e8c87a;
            padding-bottom: 0.3rem;
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: #2a5a47;
            margin: 1.8rem 0 0.7rem 0;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #3a4a3f;
            margin: 1.2rem 0 0.4rem 0;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            font-size: 1.02rem;
        }
        .article-body strong {
            color: #1e3a2f;
        }
        .article-body .highlight-box {
            background: #f7f0e4;
            border-left: 5px solid #b45f2b;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box i {
            color: #b45f2b;
            margin-right: 0.5rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .content-image {
            margin: 1.8rem 0;
            border-radius: 14px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            background: #f0ebe0;
            padding: 0.5rem;
        }
        .content-image img {
            width: 100%;
            border-radius: 10px;
        }
        .content-image figcaption {
            font-size: 0.9rem;
            color: #6a5a4a;
            text-align: center;
            padding: 0.5rem 0.2rem 0.2rem;
            font-style: italic;
        }
        .sidebar {
            background: #f7f3eb;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            border: 1px solid #e2d6c0;
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #1e3a2f;
            border-bottom: 2px solid #e8c87a;
            padding-bottom: 0.4rem;
            margin-bottom: 1rem;
        }
        .sidebar .link-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.8rem 0;
        }
        .sidebar .link-list li {
            margin-bottom: 0.6rem;
            padding-left: 0.2rem;
            font-size: 0.95rem;
        }
        .sidebar .link-list li::before {
            content: "✦";
            color: #b45f2b;
            margin-right: 0.5rem;
            font-size: 0.8rem;
        }
        .sidebar .link-list a {
            font-weight: 500;
        }
        .search-box {
            background: #fff;
            border-radius: 40px;
            padding: 0.2rem 0.2rem 0.2rem 1.2rem;
            display: flex;
            border: 1px solid #ddd6c8;
            margin-bottom: 1.8rem;
            transition: box-shadow 0.2s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(180, 95, 43, 0.25);
            border-color: #b45f2b;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            padding: 0.6rem 0;
            font-size: 0.95rem;
            background: transparent;
            color: #1e2a2f;
        }
        .search-box input::placeholder {
            color: #9a8a78;
        }
        .search-box button {
            background: #b45f2b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.5rem 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            background: #8c4a1f;
        }
        .feedback-section {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid #e2d6c0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem 2rem;
            margin-top: 1rem;
        }
        @media(max-width:600px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #f7f3eb;
            border-radius: 14px;
            padding: 1.3rem 1.2rem;
            border: 1px solid #e2d6c0;
        }
        .feedback-card h4 {
            font-size: 1.1rem;
            color: #1e3a2f;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card textarea,
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border: 1px solid #ddd6c8;
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.2s;
            margin-bottom: 0.7rem;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            outline: none;
            border-color: #b45f2b;
            box-shadow: 0 0 0 3px rgba(180, 95, 43, 0.15);
        }
        .feedback-card textarea {
            resize: vertical;
            min-height: 80px;
        }
        .feedback-card .btn-submit {
            background: #1e3a2f;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.5rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .feedback-card .btn-submit:hover {
            background: #2a5a47;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ddd6c8;
            cursor: pointer;
            margin-bottom: 0.7rem;
        }
        .star-rating .fas.fa-star {
            color: #e8c87a;
        }
        .star-rating .far.fa-star {
            color: #ddd6c8;
        }
        .star-rating span:hover,
        .star-rating span:hover~span {
            color: #e8c87a;
        }
        .star-rating span {
            transition: color 0.15s;
        }
        .site-footer {
            background: #1e3a2f;
            color: #e2d6c0;
            padding: 2.2rem 0 1.2rem;
            margin-top: 2rem;
        }
        .site-footer a {
            color: #e8c87a;
        }
        .site-footer a:hover {
            color: #f5e3b8;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem 2rem;
        }
        @media(max-width:600px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #f5e7d3;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            border-bottom: 1px solid #3a5a4a;
            padding-bottom: 0.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }
        friend-link a {
            font-weight: 500;
        }
        .copyright {
            margin-top: 1.8rem;
            padding-top: 1rem;
            border-top: 1px solid #3a5a4a;
            text-align: center;
            font-size: 0.9rem;
            color: #aac0b0;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 0.8rem 0 0.4rem 0;
                gap: 0.2rem;
                border-top: 1px solid rgba(255, 255, 255, 0.15);
                margin-top: 0.6rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.4rem 0;
                font-size: 1rem;
                border-bottom: none;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.65rem;
            }
            .sidebar {
                position: static;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media(max-width:480px) {
            .hero-section h1 {
                font-size: 1.7rem;
            }
            .container {
                padding: 0 0.9rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 0;
            background: #b45f2b;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 200;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .text-muted {
            color: #6a5a4a;
            font-size: 0.9rem;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            background: #e8dcc8;
            color: #3a2a1a;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }